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WO2007090214A1 - Boîtier pour appareils électroniques, notamment pour une commande manuelle mobile d'un contrôleur industriel - Google Patents

Boîtier pour appareils électroniques, notamment pour une commande manuelle mobile d'un contrôleur industriel Download PDF

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Publication number
WO2007090214A1
WO2007090214A1 PCT/AT2007/000039 AT2007000039W WO2007090214A1 WO 2007090214 A1 WO2007090214 A1 WO 2007090214A1 AT 2007000039 W AT2007000039 W AT 2007000039W WO 2007090214 A1 WO2007090214 A1 WO 2007090214A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
wall
sealing element
sealing
housing part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/AT2007/000039
Other languages
German (de)
English (en)
Inventor
Reinhard Gottlieb Starzinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keba AG
Original Assignee
Keba AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Keba AG filed Critical Keba AG
Priority to CN200790000040XU priority Critical patent/CN201444730U/zh
Publication of WO2007090214A1 publication Critical patent/WO2007090214A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly

Definitions

  • Housing for electronic devices in particular for mobile handheld terminals of an industrial control
  • the invention relates to a housing for electronic devices, in particular for mobile hand-held control devices of an industrial control, as indicated in claim 1.
  • a portable device is at least known for visualizing process data of a machine, a robot or a technical process.
  • a housing has been proposed for this purpose, the housing jacket of which has a double-walled construction in that it has an inner wall arranged at a distance from the outer wall.
  • the outer wall sections and the inner wall sections of the housing lower part and the housing upper part overlap.
  • a cord-shaped sealing element for the separation or joining region of the two housing half-shells is inserted.
  • the sealing element is clamped between the mutually facing end edges of the lower and upper housing shell or between serving as an abutment projection on the lower housing shell and the inner surface of the outer wall of the upper housing shell and pressed in the vertical direction to the top of the housing to a seal of the separation -
  • the bias between the lower housing shell and the upper housing shell which is usually constructed by screw connections, is decisive for the sealing effect of the sealing element.
  • the disadvantage here is that the assembly of the housing while ensuring the proper sealing function of the sealing element is relatively difficult to perform.
  • a further disadvantage is that a relatively high number of screw connections is required to ensure a sufficiently high pressing force along the entire course of the seal to ensure tightness.
  • the numerous screw require contrary to the desire for the most compact devices corresponding space requirements inside the case and further increase the manufacturing cost.
  • the present invention has for its object to provide a housing for electronic devices, which allows easy assembly and rapid installation of electronic components with good use of space and thereby also under relatively harsh, indus- triellen ambient conditions can be used without there being an increased risk of damage to the housing or the electronic components housed therein.
  • a housing according to the features in claim 1. It is advantageous that the formation of a half-shell-shaped housing lower part and to be mounted, half-shell-shaped housing top simplifies the installation or assembly of the respective electronic components, such as control boards, electromechanical switches, large-scale display elements and the like., Having created a good accessibility into the housing interior is.
  • the high ease of assembly is not at the expense of the robustness of the housing. Rather, the ease of installation and robustness is significantly improved by the specified sealing element.
  • the assembly of the housing parts is also facilitated by the fact that the sealing element between the inner wall and the outer wall exerts a resilient bias and thus is reliably positioned or supported.
  • the sealing element quasi clamped between the inner wall and the outer wall also serves as an elastically yielding support element between the outer wall and the inner wall.
  • the elastic sealing element can absorb or cushion part of the impact energy optionally acting on the outer wall.
  • the outer wall of the housing can be carried out relatively thin-walled and thus weight-optimized, after it is additionally supported by the underlying sealing element against the inner wall of the housing. In the housing according to the invention, therefore, a relatively flexible or soft-elastic jacket section can be executed, which increases the robustness of the housing or considerably reduces the impact loads built therein, electronic components or screens.
  • the sealing element on the one hand as a sealing member and on the other hand as a shock-absorbing or ab leveragendes element for the outer wall, the number of required components and a simplification of storage is achieved.
  • the force for pressing the sealing element and thus for proper sealing of the housing is at least predominantly taken up by the inner wall and the outer wall of the housing. That is, a bias between the housing parts via a screw or other connection device between the lower housing part and the upper housing part for a guarantee of the housing density is no longer crucial.
  • the Number of glands or coupling elements between the lower housing part and the upper housing part are significantly reduced.
  • a further development according to claim 2 is advantageous.
  • the holding extension or recess on the sealing element allows a comfortable and rapid attachment of the sealing element to the inner wall of the housing.
  • This form and preferably also frictional retention of the sealing element on the inner wall of the housing prevents an adverse slippage of the sealing element during assembly of the housing parts. Disadvantageous displacements or deviations of the sealing element from the intended position can thus be even better prevented.
  • the assembly work for the assembly of the housing parts is low, after the housing parts in a simple manner only need to be joined together without particular attention must be paid to the maintenance of the proper position of the sealing element.
  • the measures according to claim 3 allow a rapid and reliable positive and frictional connection of the sealing element with the inner wall, without requiring special precautions or shapes on the inner wall are required.
  • Another advantage is also an embodiment according to claim 4, characterized in that the sealing element achieves a good sealing effect and a simple attachment of the same in the lower housing part or upper housing part is made possible.
  • a trouble-free assembly of the housing parts is achieved.
  • certain tolerances of the housing parts or of the sealing element can be compensated by the mutually independent, lip-like sealing extensions, which are each pressed against the inner surfaces of the outer wall. The two independent sealing lips also prevent the sealing element from being displaced unintentionally when assembling the housing parts.
  • annular sealing elements can be created, which can also have more complex cross-sectional shapes or marginal extensions for additional functions.
  • the functionality of the sealing element is further increased.
  • this can improve the incorporation of components into the interior of the housing and at the same time be simplified.
  • fasteners such as e.g. Screws
  • the built-in parts are unnecessary when the corresponding mounting parts, such. a printed circuit board or a graphic display element, via which at least one receiving extension are held on the sealing element.
  • Another advantage of the at least one built-in bearing sealing element is that these fittings are accommodated in the interior of the housing elastically yielding or shock-absorbing.
  • the corresponding components can be installed quickly and the number of required mounting elements or assembly aids can be reduced.
  • the outer wall can be made relatively thin, which can be achieved weight savings. Due to the multiple support of the outer housing wall, the robustness or the absorption capacity of the outer wall can be further increased with respect to impact loads.
  • the attachment of the sealing element in the lower housing or housing upper part is facilitated and the sealing element during assembly of the lower housing part and the upper housing part is resiliently biased without slipping or without being subject to the risk of leaking.
  • the embodiment according to claim 10 prevents harmful liquids from penetrating into the housing interior via the screw domes or the openings arranged therein or the screws inserted therein. It is of particular advantage in this case that these elastomeric projections are integrally formed on the sealing element, so that a simple manufacturing process is ensured. Another advantage is that these elastomeric Abdichtungsvorsprünge accurately positioned or the respective screw domes are assigned exactly, so that a reliable sealing of these transition areas. Furthermore, it is advantageous that the projections formed on the sealing element are always present in their entirety, so that when mounting or assembling the housing, a forgetting of the sealing dome to be sealed off can be ruled out.
  • the penetration of liquids or foreign bodies in the area between the inner wall and the outer wall of the housing can be prevented.
  • the mutually facing end edges of the housing shells are supported so that there is always a stepless as possible or edge-free as possible transition between the lower housing part and the upper housing part.
  • the embodiment according to claim 15 ensures that the sealing lips can strike along the inner surface of the outer wall during assembly, without causing jamming or unintentional twisting of the sealing lips.
  • the longitudinal edges of the sealing lips build up a correspondingly high contact pressure against the inner surface of the outer wall, so that a reliable, complete sealing of the housing is achieved.
  • a relatively wide or large-area or even a multiple sealing zone between the sealing element and the inside of the outer wall can be constructed.
  • the sealing element between the mutually facing end edges of the inner walls is centered or held in the middle portion of the transition gap between the inner walls of the housing.
  • a defined position of the sealing element is ensured inside the housing, so that the scheduled sealing effect is reliably achieved when the housing is assembled.
  • the effective elastic compliance of the gasket is increased in the transmission of impact forces between the upper and lower housing shell and thus reduces the maximum forces occurring and distributed over larger wall sections.
  • Another advantage is that the sealing element when plugging or laying on the inner wall in its longitudinal direction slightly offset chen, so that excessive compression or expansion of longitudinal sections of the sealing element are avoided and the optimum sealing effect is achieved.
  • the measures according to claim 17 have the effect that, in addition to the sealing function of the interior of the housing relative to the external environment, the sealing element also fulfills the function of an elastically yielding and automatically resetting support element.
  • the sealing effect of the housing is ensured by the sealing element clamped between the inner wall and the outer wall of the housing, and the mechanical coupling elements for connecting the housing base and the housing top, such as e.g. Screws or Sennapptagen, eliminated from the function for applying a bias to the seal in an advantageous manner. That the required for the sealing of the housing bias on the sealing element is absorbed by the inner wall and the outer wall of the housing in itself.
  • FIG. 1 shows an embodiment of a housing for electronic devices in front view.
  • Fig. 2 shows the housing of Figure 1 in plan view.
  • FIG. 3 shows the housing according to FIG. 2 cut in accordance with the lines HI-III in FIG. 2 in a simplified representation
  • FIG. 4 shows a simplified cross section through a further housing in the region of the side edge and of the sealing element
  • FIG. 5 shows a further embodiment of a housing with a further embodiment of a sealing element
  • FIG. 6 shows a partial housing cross-section in the region of a sealing element with additional Aufhahmefort arrangementsn for holding built-in parts in the housing.
  • 7a shows a partial housing cross-section in the region of a sealing element with lateral extensions for sealing the housing in the region of the screw domes for the housing halves;
  • FIG. 7b shows the housing with the sealing element according to FIG. 7a cut according to the lines A-A;
  • FIG. 7c shows the sealing element according to FIG. 7a in plan view
  • FIG. 8a shows a further embodiment for sealing transitions between screw domes of the housing parts via the sealing element
  • Fig. 8b another, hollow cylindrical embodiment of sealing projections for
  • FIG. 9 shows a further embodiment of a sealing element with a mounting extension for built-in parts and with an additional sealing extension for the joint between the housing parts;
  • FIG. 10 shows a sealing element with an extension to the outer cover of the transition gap between the lower housing part and the upper housing part.
  • FIG. 11 shows an embodiment for the positive connection of the sealing element with the inner housing wall for a simple assembly of the housing bottom part and the housing upper part;
  • Fig. 12 shows a further embodiment of a sealing element with S-shaped curved sealing lips to increase the sealing effect and to facilitate the assembly of the housing.
  • FIGS. 1 to 3 An embodiment of a portable or mobile electronic device 1 is illustrated in FIGS. 1 to 3.
  • This device 1 serves at least to observe the operations of industrial manipulators or robots, machines such as e.g. Machine tools or special machines, conveyor systems, cranes or other technical equipment, with which technical processes are carried out fully automatically, semi-automatically or manually controlled.
  • the device 1 preferably also serves to operate or influence the aforementioned machines or process sequences.
  • the device 1 thus represents a visualization or observation device and / or operating device.
  • the device 1 can also be used for programming the sequences of machines or robots provided with electrical actuators or sensors. In such a programming mode, for example, a so-called "teaching" of machines or robots can be made.
  • the device 1 is in any case to operate by hand and sized in size and weight so that it is easily portable by a user to different locations.
  • a device 1 can also be assigned to different, locally spaced-apart machines or robots, and the user can optimally view, for example, motion sequences or the like by virtue of his locally limited freedom of movement with the device 1.
  • the generic device 1 has approximately the size of a book or it has a user-facing surface in about the size of a DIN A4 sheet.
  • the device 1 comprises at least one output device 2, at least for the visualization of process data of a machine, a robot or a technical process.
  • the output device 2 comprises at least one optical output element and optionally additional acoustic output elements, such as buzzer, loudspeaker or the like.
  • input data or input menus and screen masks can also be displayed via the optical output device 2.
  • Individual optical output devices 2 may also be formed by optical signal sources, such as light emitting diodes.
  • the device 1 comprises at least one input device 3, via which individual operating functions of at least the device 1 can be influenced or selected.
  • the input device 3 also serves to operate a machine or a robot or to issue control commands to such machines.
  • internal processes of the device 1 and / or a machine connected thereto can be changed and data can be entered, called up and / or changed.
  • the device 1 preferably comprises a combined output and input device 2, 3 in the manner of a touch-sensitive screen 4.
  • This touch-sensitive screen 4 of the device 1 represents a so-called touch screen 5, in which the output and the input device 2, 3 functional combined or structurally superimposed.
  • the touch-sensitive screen 4 of the device 1 extends over extensive areas of a surface, in particular an upper side 6 of a housing 7 of the device 1.
  • graphics, symbols, characters and the like can be output, as known per se and via actuation of the touch-sensitive surface with a finger or a pen-shaped input device made appropriate inputs or various actions are initiated.
  • the number of controls such as buttons, switches, sliders, knobs or the like.
  • electromechanical input elements 8 are then advantageously formed only for the most frequently used functions or for functions in which a so-called tactile feedback is advantageous. Such functions are, above all, motion functions or switch-on and switch-off functions or functions for the incremental or decremental change of parameters.
  • These input elements 8 are preferably formed by a membrane keypad 9 with tactile feedback of the switching process or by input elements 8 with noticeable and / or audible recognizability of the switching point.
  • the device 1 preferably also includes at least one operating element 10 to be moved by a user of the device 1 in the manner of a control lever, joystick 11, rotary potentiometer, a space mouse, an electronic hand wheel or the like
  • the directions and / or speeds of movements of a machine or a robot to be controlled can be specified and executed in a user-friendly and intuitive manner.
  • the device 1 can comprise at least one safety switching device 12, which is fastened to the housing 7 of the device 1 and by a user, especially during the execution of safety-critical movement sequences or operating state changes simultaneously with the actual programming or operating elements 10 of the input device 3 is to be operated.
  • This safety switching device 12, which can also be referred to as the enabling button 13, serves to avoid an unintended, unforeseen delivery of control commands for a machine, a robot or a technical process.
  • the safety switching device 12 is intended for use in combination with the actual programming or operating elements 10, such as joysticks, buttons or switches, for the activation of a movement sequence or for the change of an operating state of electromechanical machines or industrial robots.
  • safety switching devices 12 are operated in combination with the usual control or control organs.
  • the safety switching device 12 is integrated into the electrical control of the machine or of the robot in such a way that the programming or operating elements 10 or input elements 8 to be protected are only effectively activated when a consent position on the safety switching device 12 is taken.
  • the safety switching device 12 is therefore often referred to in practice as enabling button 13.
  • the device 1 comprises within its housing 7 an electronic control device 14 in which the operating functions of at least the device 1 are implemented.
  • This control device 14 comprises at least one software-controlled microcomputer, in particular a powerful and energy-optimized microprocessor for executing arithmetic operations, for evaluating data and for controlling functional sequences of the device 1 and / or a machine to be controlled.
  • This at least one microcomputer together with further electronic components, such as memory modules for intermediate storage of data and / or software programs, driver components for interfaces, components with the operating system and the like, is arranged on a printed circuit board 15 which is completely in the most unbreakable housing 7 is included.
  • This control device 14 has at least one Kornmunikationsterrorismstelle to an external control device for a machine or a robot and / or to a host computer.
  • This at least one communication interface is preferably formed by a standardized interface which is suitable for connection to generally customary data bus systems and, for example. is realized by an Ethernet, a CAN, a serial or an Internet communication interface or by any other wired interface. Alternatively or in combination with a wired communication interface, it is of course also possible to form wireless communication interfaces, in particular in the form of radio interfaces and / or infrared interfaces, on the device 1.
  • the communication interface can also be provided by a so-called Bluetooth Be formed over which within a limited communication area, a data connection to peripheral electronic components, such as a keyboard, a mouse, a printer or other processing unit can be constructed.
  • the electrically actuated output devices 2 and input devices 3 and in particular the touch-sensitive screen 4 or touch screen 5, the safety switching device 12 and the translationally or rotationally to be moved control element 10 are conductively connected to the control device 14 in the housing 7.
  • the device 1 preferably also includes an emergency stop switch 16, whose actuating organ 17 protrudes from the housing 7 and protrudes from the housing surface.
  • an emergency stop switch 16 Upon actuation of this emergency stop switch 16, a machine to be controlled is placed in the emergency stop state in which at least some movements are stopped or at least some areas of the machine to be controlled are de-energized.
  • the emergency stop switch 16 is locking and preferably designed with two circuits in order to achieve a high switching reliability or a reliable shutdown of equipment or machine parts. This emergency stop switch 16 is arranged in an easily accessible portion of the housing 7.
  • the touch-sensitive screen 4 of the device 1 preferably occupies more than about 1/3 of the top 6 of the housing 7 facing a user during operation.
  • the top 6 shown in plan view in FIG. 2 is formed substantially circular.
  • the touch-sensitive screen 4 or touch screen 5 has an effective screen diagonal of at least 7.7 "or of approximately 20 cm, and a large number of arbitrary graphical objects are displayed via this relatively large touch screen 5, preferably with color representation - and selectable, in particular with the
  • Touch screen 5 allows a symbol-controlled operation sequence and a variety of previously common, electromechanical buttons or switches are unnecessary.
  • the clarity of the elements simultaneously visualized on the touch screen 5 can be kept high by implementing a software-controlled menu navigation or screen display which can be implemented in a simple manner, since only the respectively relevant objects, data or options are displayed.
  • the components of the safety switching device 12 do not substantially protrude from the outer contour or contour of the housing 7, but the respective switch parts or actuators or the or the adjusting (s) of
  • Safety switching device 12 largely flush with the outer housing shape or contour of the housing 7 complete. As a result, the risk of breakage or damage to the safety switching device 12 when falling to the bottom of the device 1 can be substantially reduced.
  • the integration of the actuating elements in the interior of the housing 7 or the most flush completion of the adjustment with the interfaces of the housing 7 thus provides a high resistance to breakage of the safety switching device 12 and the enabling switch 13 and is thereby achieved a high reliability of the device 1.
  • the generic device 1 has a weight of more than one kilogram, in particular approximately two kilograms, whereby the loads, in particular possibly occurring Aurprall energien, can be relatively high. From the foregoing, it can be seen that the device 1, in particular also its housing 7, must be particularly robust and reliable in order to be able to ensure high operational reliability or safety in a relatively harsh, industrial environment.
  • the corresponding housing 7 for a mobile hand-held operating device of an industrial control has at least some of the provisions described below.
  • the housing 7 comprises a half-shell-shaped or substantially bowl-shaped housing base 18 and a shell-shaped or cup-shaped housing shell 19 mounted thereon.
  • Edge-side wall sections 20, 21 of the housing base 18 and of the housing upper part 19 form in the assembled state a lateral surface 22 of the housing 7.
  • the half-shell-shaped housing lower part 18 and the half-shell-shaped housing upper part 19 are assembled in such a way that their wall sections 20, 21 supplement or extend and form the overall surface 22 of the housing 7.
  • An inner space 23 then enclosed by the lower housing part 18 and the upper housing part 19 serves to receive and protect the electronic or electrical components described above, in particular for receiving the control device 14 and a predominant subsection of the touch-sensitive screen 4 or touch screens 5.
  • a sealing element 25 is arranged in a separating or joining region 24 between the lower housing part 18 and the upper housing part 19 - as is known per se -.
  • This sealing element 25 serves to prevent the penetration of solid and liquid substances into the interior 23 of the housing 7 so as to protect the electrical or electronic components therein from corrosion, damage or short-circuits.
  • This sealing element 25 extends along the jacket circumference or along the jacket surface 22 of the housing 7 and is assigned to the joining region 24 such that the interior 23 of the housing 7 is sealed as well as possible against the external environment.
  • the lateral surface 22 of the housing 7 is formed by an outer, engageable by the operator outer wall 26 of the housing 7.
  • the outer wall 26 is composed of the edge-side wall portions 20, 21 of the lower housing part 18 and the upper housing part 19 together.
  • the lateral surface 22 and the outer wall 26 is thus separated or divided by a circumferential gap or a joint 27.
  • this gap 27 it is also possible to execute this gap 27 without gaps by the mutually facing end edges of the lower housing part 18 and the upper housing part 19 are basically tightly joined together without recognizable air gap.
  • a continuously extending or partially interrupted inner wall 28 Essentially parallel to the outer wall 26 of the housing 7 extends a continuously extending or partially interrupted inner wall 28. That is, at least the jacket portion of the housing 7 is designed clamshell or double-walled, the inner wall 28 also by spaced wall sections or through a series of pin-like projections can be formed.
  • the inner wall 28 as well as the outer wall 26 extends along the entire shell circumference or along the majority of the edge portions of the housing 7, as best seen in FIG. 2 can be seen. In the edge sections for possible cable outlets or the like.
  • the inner wall 28 and the outer wall 26 is of course executed interrupted.
  • the inner wall 28 is arranged at a substantially constant distance of 3 to 15 mm, in particular at a distance of about 6 mm to the inside of the outer wall 26 at a distance.
  • the inner wall 28 is continuous.
  • the inner wall portions of the lower housing part 18 and the upper housing part 19 may overlap in the vertical direction to the upper side 6, as best seen in FIG. 3.
  • the inner wall sections of the lower housing part 18 can extend telescopically into the inner wall sections of the upper housing part 19, or vice versa. It is thereby achieved that the lower housing part 18 and the upper housing part 19 can telescope toward one another or move apart when corresponding loads or forces act on the housing 7.
  • ReIa- tiwerschiebept between the lower housing part 19 and the upper housing part 19 is counteracted in a plane parallel to the upper side 6 and parallel to the operating plane and thereby occurring sliding forces can be reliably absorbed by the mutually entangled inner wall sections.
  • the sealing element 25 for sealing the interior 23 of the housing 7 against external influences is at least predominantly associated with the region between the inner wall 28 and the outer wall 26, as best seen in FIG. 3.
  • the sealing element 25 seals the joining region 24 between the lower housing part 18 and the upper housing part 19, in which it is pressed against the inner side or inner surface 29 of the outer wall 26 via the inner wall 28.
  • the lacing or annular sealing element 25 in consideration of its cross section - according to FIG. 3 - in the inner wall 28 facing first portion 30 at least one extending in the longitudinal direction of the sealing member 25 retaining extension 31 and / or notch 32.
  • the sealing member 25 is positioned on the inner wall 28 is held or positively connected to the inner wall 28.
  • a mechanical coupling between the sealing element 25 and at least one inner wall section is produced by means of this retaining extension 31 or recess 32, if the inner wall 28 - as shown in Fig. 3 - consists of two inner wall sections.
  • the band or cord-shaped sealing element 25 is preferably held on the inner wall 28 in a form-fitting manner.
  • This form-fitting coupling is designed such that at least relative displacements of the sealing element 25 against the inner wall 28 in the vertical direction to the top of the housing 6 or within a parallel to the inner wall 28 extending plane at least beaugesst be prevented.
  • the assembly or the assembly of the lower housing part 18 and the upper housing part 19 is substantially simplified and is an exact positioning of the sealing element 25, whereby a reliable tightness of the housing 7 is ensured. Faulty mounts or
  • Assemblies can be almost ruled out after an accidental slippage or displacement of the sealing element 25 during assembly of the housing 7 can be almost excluded.
  • the holding extension 31 or the recess 32 extends over the entire length of the sealing element 25 in order to achieve a good positive connection and a simple assembly and manufacture of the sealing element 25.
  • the sealing element 25 forms at least two lip-like sealing extensions 34, 35.
  • a lower sealing extension 34 and an upper sealing extension 35 are formed.
  • the lower sealing extension 34 rests against the inside of the housing lower part 18 and the upper sealing extension 35 rests against the inside of the housing upper part 19. That is, the lip-like sealing projections 34, 35 are respectively pressed against the inner surfaces 29 of the lower housing part 18 and the upper housing part 19 and thereby exert on these inner surfaces 29 an elastic biasing force.
  • This biasing force of the sealing member 25 and its at least two lip-like sealing projections 34, 35 acts starting from the inner wall 28 in the outward direction against the inner surfaces 29 of the outer wall 26.
  • This provides a good seal of the interior 23 is achieved and the impact load is reduced for fixtures or by the robustness of the housing 7 can be increased.
  • the internals, ie the electronic components of the device 1 best possible protection against shock loads and force peaks due to the double-walledness and due to the elastic see support the outer wall 26 via the sealing member 25 against the inner wall
  • the sealing element 25 may be formed as a solid body, wherein the two sealing projections 34, 35 protrude, for example, like a finger or in cross-section arcuately curved from a base body.
  • the sealing element 25 In the ready-to-use state of the housing 7, the sealing element 25 is pressed in between the inner wall 28 and the outer wall 26 of the housing 7, so that it is under elastic full tension and thereby supports the outer wall 26 elastically yielding with respect to the inner wall 28. At the same time, the sealing element 25 seals the gap or the joint
  • the sealing element 25 thus fulfills a dual function in that on the one hand it fulfills a shock-absorbing or supporting effect between the outer wall 26 and the inner wall 28 and on the other hand ensures a good and reliable sealing of the housing 7 against external influences in an advantageous manner.
  • the first section of the sealing element 25, which is designed to be coupled to the inner wall 28, is essentially in cross section. H-shaped or I-shaped.
  • this first section 30 of the sealing element 25 may be designed to be substantially U-shaped in cross-section for improved mountability, as exemplified in FIG. 9 or FIG.
  • the retaining extension 31 of the sealing element 25 extends between mutually facing end edges 36, 37 of the substantially aligned inner walls 28 of the lower housing part 18 and the upper housing part 19 therethrough.
  • the holding extension 31 extends on the sealing element 25, starting from the first side of the inner wall 28 to the opposite side of the inner wall 28.
  • sealing member 25 each have a cut 32 and in each case a groove-shaped recess is formed, via which the sealing element 25 is fastened or held in a form-fitting manner on the inner wall 28.
  • this can be easily plugged onto the inner wall 28 of the housing base 18 and then the housing upper part 19 with the complementary inner wall 28 in the upper recess 32 are inserted, when the upper housing part 19 on a lid the lower housing part 18 is placed.
  • the second section 33 of the sealing element 25 is then stably supported on the inner wall 28, without tipping or twisting of the sealing element 25 occur when the upper housing part 19 is placed on the lower housing part 18.
  • the second section 33 of the sealing element 25, which serves to seal the inner space 23 and to elastically support the outer wall 26, is formed in cross-section preferably substantially C-shaped.
  • a first and second leg 38, 39 of this cross-sectionally C-shaped, second portion 33 in this case form the lip-like sealing projections 34, 35 from.
  • the legs 38, 39 and the corresponding sealing projections 34, 35 are preferably arcuately curved in cross-section or is at least the outer surface of these sealing projections 34, 35 outwardly arched or cambered, as shown in FIG.
  • the outer, curved surfaces of the sealing projections 34, 35 are pressed under elastic bias in each case against the inner surfaces 29 of the lower housing part 18 and the upper housing part 19, as was illustrated by the two force arrows in Figure 4.
  • the elastic biasing force of these sealing projections 34, 35 on the inner surfaces 29 of the outer wall 26 is decisive for the sealing effect of the sealing element 25.
  • a particular advantage of the cross-sectionally C-shaped, second portion 33 and the cross-sectionally substantially D-förmi - gene, second section 33 is that the Gescouseunterteü 18 and the upper housing part 19 can be assembled particularly easily or easily and a high sealing effect and a good sealing reliability is achieved.
  • the elastic bias of the sealing projections 34, 35 on the outer wall 26 extends substantially in a direction parallel to the upper side 6 of the housing level and is directed to the sealing of the housing 7 relevant bias starting from the inner wall 28 in the outward direction.
  • the sealing element 25 is preferably designed as an injection molded part and consists of an elastomeric plastic.
  • an injection molding technique it is also possible to realize even more complicated cross-sectional shapes without difficulty, and in addition sealing elements 25 varying in cross-section or sectionally changed cross-sectional shapes can be produced. In contrast, an extrusion process for the sealing element 25 would always result in consistent cross-sectional shapes.
  • the sealing element 25 can have, in addition to the first and second lip-like sealing extensions 34, 35, further, elastically yielding support extensions 40, 41 which abut the inner surface 29 or the inner side of the outer wall 26.
  • These additional support extensions 40, 41 result in a separate support of the outer wall 26 relative to the inner wall 28 in a slightly distant from the joining region 24 portion, for example in the middle part of the wall sections 20, 21.
  • the inner wall 28 may be reinforced by means of a plurality of transverse to the inner wall 28 extending ribs 42, 43.
  • these ribs 42, 43 prevent the inner wall 28 from deviating in the direction of the interior 23 of the housing 7 or in the direction of the outer wall 26. set these ribs 42, 43 such deviations tendencies of the inner wall 28 increased resistance. Due to this ribs 42, 43 performing a support or stiffening function, relatively thin-walled inner walls 28 with a high support effect for the sealing element 25 can be created. In particular, a relatively stable housing core is created by such a structure, which is surrounded by the inner walls 28 and at least in partial areas around this housing core an elastically resilient, shock-absorbing shell formed by the outer wall 26 and the sealing element 25 of the housing 7 is.
  • the ribs 42 of the lower housing part 18 and the ribs 43 of the upper housing part 19 can be arranged offset to one another with reference to the longitudinal direction of the inner wall 28 and their end sections project into the respectively other housing part 18 and 19. That is, one end or tip of the ribs 42 in the housing lower part 18 projects into the housing upper part 19, while the one next to it
  • Ridge 43 of the upper housing part 19 protrudes with its lower end in the lower housing part 18 and preferably its inner wall 28 is supported. Likewise, the upper end of the rib 42 supports the inner wall 28 of the upper housing part 19. This means that the mutually facing ends of the ribs 42, 43 overlap in the exemplary embodiment according to FIG. 5 and are arranged next to one another in the circumferential direction of the housing 7. The lower housing part 18 and the upper housing part 19 are thus interlocked via the end portions of the ribs 42, 43. A displacement force in a plane parallel to the upper side 6 thus does not have to be limited by connecting elements, such as e.g. Screw domes, between the lower housing part 18 and the upper housing part 19 are taken alone.
  • connecting elements such as e.g. Screw domes
  • the mutual entanglement or telescopic coupling between the lower housing part 18 and the upper housing part 19 via the respectively projecting into the other housing part ribs 42, 43 thus increases the already high robustness of the housing 7 in addition.
  • the ribs 42, 43 may in this case be arranged on the side of the inner wall 28 facing the inner space 23 and / or on the side of the inner wall 28 facing the outer wall 26 and thus support the inner wall 28 either on one or both sides.
  • the sealing element 25 may have a third section 44 projecting from the inner wall 28 and protruding into the interior 23 of the housing 7.
  • This third sub-section 44 of the sealing element 25 projecting into the interior space 23 has at least one receiving extension 45 or recess 46 for mounting built-in parts in the housing 7, such as for the damping mounting of a printed circuit board 47.
  • the sealing element 25 is substantially L-shaped in cross-section or, as can be seen from FIG. 6, U-shaped.
  • the sealing element 25 thus also exerts an assembly or storage function for built-in parts in the embodiment according to FIG.
  • the receiving extensions 45 on the sealing element 25 can also be designed to be circumferential. Preferably, however, along the longitudinal extent of the sealing element 25, a plurality of spaced-apart Aufhahmefort arrangements 45 are formed in order to support or fasten the corresponding mounting parts.
  • FIGS. 7a, 7b and 7c further advantageous embodiments of the housing 7 and of the sealing element 25 are exemplified.
  • screw domes 48, 49 which are designed to connect or screw the housing parts by means of the screw domes 48, 49 connecting screws 50, surrounded by the elastomeric sealing element 25 at least partially.
  • the screw domes 48, 49 for screwing the lower housing part 18 to the upper housing part 19 are surrounded by correspondingly assigned, elastomeric projections 51 of the sealing element 25 at least in sections. These projections 51 are integrally formed on the sealing element 25 and protrude from the sealing element 25 in the direction of the interior 23 of the housing 7.
  • elastomeric projections 51 and sealing projections on the sealing element 25 are formed at those positions at which the screw domes 48, 49 are located. It is advantageous in this case if the elastic projections 51 of the sealing element 25 extend between mutually associated front ends 52, 53 of the screw domes 48, 49 of the lower housing part 18 and of the upper housing part 19.
  • the elastomeric projection 51 or the corresponding flap-like extension seals a transition gap 56 between the front ends 52, 53 of mutually associated pairs of screw domes 48, 49.
  • the projections 51 for sealing the transition or the screw holes between the screw domes 48, 49 are circular in plan view of FIG. 7c and adapted in diameter to the diameter of the cylindrical screw 48, 49.
  • an inner diameter of the hollow cylindrical projections 51 substantially corresponds to the diameter of the screw domes 48, 49.
  • these elastomeric projections 51 can be slipped over the front ends 52 and 53 of the screw 48, 49 and thus the transition gap 56 and the transition in the area around Reliably seal the screw connection between the screw domes 48, 49 with respect to liquids and foreign bodies.
  • These elastomeric projections 51 are preferably attached to the sealing element 25. or they are formed integrally with the sealing element 25. Consequently, the sealing element 25 together with the tab-like projections 51 is preferably designed as an injection molded part.
  • the hollow-cylindrical projection 51 is slipped over only a partial section of the screw domes 48, 49.
  • these elastomeric projections 51 may optionally be increased if these projections 51 on the sealing element 25 sleeve-like over the entire length or height of the screw 48, 49 extend and the ends of these sleeve-like projections 51 under elastic bias to a base plate 54 and a cover plate 55 of the housing 7 abut, as illustrated in the embodiments of Fig. 8a or Fig. 8b. As a result, any ingress of liquids into the interior space 23 via the screw domes 48, 49 or via the receiving bore for the corresponding screw 50 is prevented.
  • the elastomeric projection 51 of the sealing element 25 is to be filled in such a way that it rests sealingly against at least the inner surfaces of the base plate 54 and the cover plate 55 of the housing 7.
  • the elastomeric projection 51 in this case seals off the areas of application of the screw domes 48, 49 on the housing parts 18, 19 with respect to the interior 23 of the housing 7.
  • the at least partially sheath and / or end-side sealing of the screw domes 48, 49 in the housing 7 by means of the corresponding hollow cylindrical or lobe-like projections 51 on the sealing element 25 reliably prevents, via the screw domes 48, 49 or via the in the screw domes 48, 49 existing holes or screws 50 harmful liquids or foreign objects in the interior 23 of the Housing 7 can penetrate.
  • the retaining extension 31 for positioning the sealing element 25 relative to the inner wall 28 may vary in thickness or may increase and decrease in height of this retaining extension 31 in the longitudinal direction of the sealing element 25 in a regular sequence ,
  • this elastically yieldable holding extension 31 can rest alternately on the mutually facing end edges 36, 37 of the inner walls 28 and be released therefrom.
  • the longitudinal section of the holding extension 31 can be designed to be, for example, wave-shaped or serrated. These alternately arranged elevations or depressions along the holding extension 31 cause the holding extension 31 comes into contact only in sections or only selectively with the mutually facing end edges 36, 37 of the lower and the upper inner wall 28.
  • the sealing element 25 can be used particularly uniformly in the housing 7.
  • the sealing element 25 is exposed neither to sectionwise overstretching nor to compressions in sections when it is placed on the lower housing part 18 or on the upper housing part 19 after the contact zones with the front ends of the inner walls 28 have been reduced.
  • the desired sealing effect is nevertheless ensured via the second section 33 of the sealing element 25 with its lip-like sealing projections 34, 35.
  • the lower housing part 18 and the upper housing part 19 can be slightly compressed or moved telescopically into one another when corresponding pressure loads act on the housing shells.
  • This retaining extension 31 which varies in cross-section, thus also provides a shock-damping effect with respect to loads or impacts acting perpendicularly to the upper side 6 or perpendicular to the operating plane. Despite this defined distance variability between the lower housing part 18 and the upper housing part 19, the sealing effect via the lip-like sealing projections 34, 35 on the sealing element 25 is reliably maintained.
  • FIG. 9 illustrates another embodiment of a housing seal.
  • the sealing element 25, in particular its second section 33, has a centrally arranged covering extension 57, which is arranged between the first and the second sealing extension 34, 35.
  • This centrally or centrally arranged, additional cover extension 57 is to cover or covering the circumferential gap or the joint 27 between the lower housing part 18 and the upper housing part 19 is formed.
  • This cover extension 57 on the sealing element 25 extends along the housing division or along the joint 27 between the lower housing part 18 and the upper housing part 19.
  • the cover extension 54 is pressed from the inner wall 28 against the circumferential housing division or against the joint 27 and seals this more or less large or even gapless joint portion or joint area 24.
  • This cover extension 57 can - as shown in FIG.
  • the cover extension 57 covers or bridges the gap or the gap 27 between the lower housing part 18 and the upper housing part 19. In this embodiment, the middle covering extension 57 is thus urged against the inner sides or inner surfaces 29 of the outer wall 26.
  • the receiving extension 45 in the third, the interior 23 facing portion 44 is executed in cross-section U-fö'rmig and extends along the entire or largest part of the sealing element 25.
  • 45 cuts or recesses may be performed in a web of the receiving extension to the corresponding mounting parts, such as a printed circuit board 15 and / or the touch screen 5 via such receiving extensions 45 to hold.
  • the substantially U-shaped or C-shaped receiving extension 45 in this case represents, as it were, an encircling frame that provides a particularly shock-absorbing and secure support even for sensitive components, such as the touch screen 5 and / or the central printed circuit board 15 for the control unit - Direction 14, allows.
  • the frame-shaped receiving extension 45 which is formed integrally on the sealing element 25, can be supported in a point-wise or sectionally damping manner by means of elastomer support ribs 58 spaced from one another in the circumferential direction of the sealing element 25.
  • the resistance to breakage of the built-in parts is thereby additionally increased or abrupt blows are effectively absorbed by such a receiving extension 45 on the sealing element 25.
  • the support ribs 58 thereby space the receiving extension 45 relative to the inner wall 28 via elastically yielding, rib-like webs, which result in a defined damping of the internals relative to the housing 7.
  • the covering extension 57 is essentially T-shaped or mushroom-shaped in cross-section and covers the joining region 24 between the lower housing part 18 and the upper housing part 19 from the outside.
  • an external covering of the shadow gap or the joint 27 takes place between the housing Lower part 18 and the upper housing part 19.
  • a seal is achieved by elastic bias of the cover extension 57 on the outer surface of the outer wall 26.
  • the horizontally extending limb 59 of the cover extension 57 passes through the circumferential housing gap between the housing base 18 and the housing upper part 19 and the limb 60 of the covering extension 57 extending transversely thereto covers the gap or the joint 27
  • the outer cover of the shadow gap via this outwardly projecting cover extension 57 also offers the advantage that, as it were, a circumferential ring is created around the housing 7, as a result of which its robustness, breakage resistance and / or shock resistance can be further increased.
  • this elastomeric, outer covering extension 57 of the sealing element 25 can improve the gripping or non-slip holding of the housing 7.
  • FIG. 11 illustrates a further embodiment of the housing seal.
  • the inner wall 28 of the lower housing part 18 is compared to the outer wall 26 and compared to the outer wall portion 20 of the lower housing part 18 performed comparatively higher.
  • the inner wall 28 projects beyond the outer wall 26 of the lower housing part 18 over a defined height dimension 61.
  • the inner wall 28 of the upper housing part 19 is made lower or shorter compared to its outer wall 26.
  • the sealing element 25 can be easily placed on the inner wall 28 or plugged. Subsequently, the upper housing part 19 can be placed effortlessly on the corresponding web of the sealing element 25 or directly on the sealing element 25 and the inner wall 28 of the upper housing part 19 need not be threaded into a separate recess of the sealing element 25.
  • only one-sided incision 32 or an L-shaped retaining extension 31 for connecting the sealing element 25 to the inner wall 25 is formed here. This allows a quicker and easier assembly and uncomplicated pre-assembly of the sealing element 25 in the housing lower part 18.
  • the sealing element 25 extends also in this embodiment Form reference to its broad side across the longitudinal course of the gap or the joint 27 between the lower housing part 18 and the upper housing part 19th
  • FIG. 12 shows an advantageous embodiment of the lip-like sealing extensions 34, 35 on the sealing element 25.
  • the sealing extensions 34, 35 are essentially S-shaped in cross-section.
  • the sealing projections 34, 35 of the sealing element 25 at their edge portions in each case arcuately curved Andrückfort instruments 62, 63.
  • these pressing projections 62, 63 form a counter contour to the actual basic shape of the lip-like sealing extensions 34, 35 and thus result in an overall S-shape of the sealing extensions 34, 35.
  • This S-shape has been shown as a detail extract.
  • FIGS. 1, 2, 3; 4; 5; 6; 7a, 7b, 7c; 8a, 8b; 9; 10; 11; 12 embodiments form the subject of independent solutions according to the invention.
  • the relevant objects and solutions according to the invention can be found in the detailed descriptions of these figures. Trademark to position

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

L'invention décrit un boîtier (7) pour appareils électroniques, notamment pour des commandes manuelles mobiles d'un contrôleur industriel. Ce boîtier (7) comprend une partie (18) inférieure de boîtier en forme de demi-coque et une partie (19) supérieure de boîtier en forme de demi-coque dont les sections (20, 21) de paroi du côté du bord forment, lorsqu'elles sont assemblées, la surface (22) d'enveloppe du boîtier (7). Une paroi (28) intérieure continue ou interrompue en sections s'étend avec un écart sensiblement constant par rapport à une paroi (26) extérieure formant la surface (28) d'enveloppe du boîtier (7). De plus, un élément (25) d'étanchéité qui se trouve au moins partiellement entre la paroi (26) extérieure et la paroi (28) intérieure est disposé entre la partie (18) inférieure de boîtier et la partie (19) supérieure de boîtier pour éviter la pénétration de matières solides et liquides dans l'espace (23) intérieur du boîtier (7) par le biais de la zone (24) de jointure. Au moins deux prolongements (34, 35) d'étanchéité de type lèvres sont formés dans une section (33) partielle de l'élément (25) d'étanchéité faisant face au côté intérieur de la paroi (26) extérieure, reposent respectivement sur les surfaces (29) intérieures de la partie (18) inférieure de boîtier et de la partie (19) supérieure de boîtier et exercent sur ces surfaces (29) intérieures une précontrainte élastique de la paroi (28) intérieure en direction de l'extérieur.
PCT/AT2007/000039 2006-02-11 2007-01-30 Boîtier pour appareils électroniques, notamment pour une commande manuelle mobile d'un contrôleur industriel Ceased WO2007090214A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200790000040XU CN201444730U (zh) 2006-02-11 2007-01-30 用于工业控制系统的移动式手工操纵装置的壳体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006006386.4 2006-02-11
DE200610006386 DE102006006386A1 (de) 2006-02-11 2006-02-11 Gehäuse für elektronische Geräte, insbesondere für mobile Handbediengeräte einer industriellen Steuerung

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WO2007090214A1 true WO2007090214A1 (fr) 2007-08-16

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AT14250U1 (de) * 2012-06-25 2015-07-15 Keba Ag Mobiles Handbediengerät für eine industrielle Steuerung

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DE102009005716B4 (de) * 2009-01-22 2014-01-02 Rittal Gmbh & Co. Kg Gehäuse
EP2654579B1 (fr) * 2010-12-21 2018-01-24 Stryker Corporation Outil chirurgical électrique avec module de commande dans un boîtier fermé hermétiquement, ledit boîtier possédant des joints actifs pour protéger les composants internes des effets de la stérilisation
DE102012223261B4 (de) * 2012-01-13 2016-03-31 Ifm Electronic Gmbh Näherungsschalter mit einer Schlag- und Stoßdämpfungseinrichtung
DE202012100272U1 (de) * 2012-01-26 2012-02-24 Keba Ag Gehäuse zur Aufnahme elektrotechnischer Komponenten
DE202012104371U1 (de) * 2012-11-13 2014-02-14 Dewertokin Gmbh Gehäuse mit mindestens zwei Gehäuseteilen und einem Dichtelement
CN203446152U (zh) * 2013-09-10 2014-02-19 中兴通讯股份有限公司 一种移动终端壳体及移动终端
EP3048866B1 (fr) 2015-01-20 2017-11-01 Siemens Aktiengesellschaft Boîtier pour un appareil électrique et appareil électronique
DE102015204205A1 (de) 2015-03-10 2016-09-15 Keba Ag Gehäuse für mobile Handbediengeräte von industriellen Steuerungen sowie entsprechendes Handbediengerät
CN105402215B (zh) * 2015-12-22 2018-07-06 合肥惠科金扬科技有限公司 电器连接结构及其电视机或显示器
FR3068541B1 (fr) * 2017-06-28 2019-07-19 Valeo Equipements Electriques Moteur Assemblage de pieces et procede de fabrication d’un tel assemblage
US10473218B2 (en) * 2017-10-09 2019-11-12 Aptiv Technologies Limited Perimeter seal
DE102024201115A1 (de) * 2024-02-07 2025-08-07 Volkswagen Aktiengesellschaft Dichtungsanordnung sowie Gehäuse mit einer solchen Dichtungsanordnung, insbesondere Pulswechselrichtergehäuse eines Kraftfahrzeuges
CN119240376A (zh) * 2024-12-05 2025-01-03 中科芯禾(深圳)科技有限公司 一种具备缓冲外壳的智能平仓机器人

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WO1999041531A1 (fr) * 1998-02-11 1999-08-19 N.V. Raychem S.A. Agencement d'etancheite
FR2831384A1 (fr) * 2001-10-18 2003-04-25 Siemens Ag Garniture pour l'etancheite d'un intervalle existant entre deux parties de boitier a etancheifier et boitier d'un appareil de commande d'un vehicule automobile

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WO1999041531A1 (fr) * 1998-02-11 1999-08-19 N.V. Raychem S.A. Agencement d'etancheite
FR2831384A1 (fr) * 2001-10-18 2003-04-25 Siemens Ag Garniture pour l'etancheite d'un intervalle existant entre deux parties de boitier a etancheifier et boitier d'un appareil de commande d'un vehicule automobile

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DE102006006386A1 (de) 2007-08-16

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