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WO2016145795A1 - 无线投影式焊接面罩及配备其的焊接机 - Google Patents

无线投影式焊接面罩及配备其的焊接机 Download PDF

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Publication number
WO2016145795A1
WO2016145795A1 PCT/CN2015/088719 CN2015088719W WO2016145795A1 WO 2016145795 A1 WO2016145795 A1 WO 2016145795A1 CN 2015088719 W CN2015088719 W CN 2015088719W WO 2016145795 A1 WO2016145795 A1 WO 2016145795A1
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WO
WIPO (PCT)
Prior art keywords
welding
mask
welding mask
wireless communication
communication module
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/CN2015/088719
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English (en)
French (fr)
Inventor
吴子乾
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.)
Tecmen Electronics Co Ltd
Original Assignee
Tecmen Electronics Co Ltd
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 Tecmen Electronics Co Ltd filed Critical Tecmen Electronics Co Ltd
Priority to ES15885170T priority Critical patent/ES2820305T3/es
Priority to AU2015386867A priority patent/AU2015386867B2/en
Priority to PL15885170T priority patent/PL3228287T3/pl
Priority to US15/507,657 priority patent/US10660796B2/en
Priority to EP15885170.9A priority patent/EP3228287B1/en
Publication of WO2016145795A1 publication Critical patent/WO2016145795A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/065—Masks, shields or hoods for welders use of particular optical filters
    • A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/095—Monitoring or automatic control of welding parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B23K9/321—Protecting means
    • B23K9/322—Head protecting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/06—Safety devices independent of the control and operation of any machine specially designed for welding

Definitions

  • the present invention generally relates to a wireless welding mask having a pico projector for displaying operational status data and a welding machine employing such a welding mask.
  • This automatic dimming welding mask is generally equipped with an automatic dimming filter.
  • the main principle of the automatic dimming filter is to equip the liquid crystal panel.
  • the liquid crystal panel is transparent before the welding starts, and the liquid crystal panel is turned into an opaque state at the moment of arcing, thereby providing protection for the operator's eyes.
  • an automatic dimming filter is equipped with an adjustment knob or a button.
  • the operator Before using the welding mask, the operator must adjust the operating parameters such as sensitivity, delay time, shading number, and welding method of the automatic dimming filter. Then wear the top cover for the welding operation.
  • modern welding equipment generally includes electric welders, gas cylinders, welding torches, and welding masks. Before welding, it is usually necessary to set the parameters such as the current, voltage, welding duration and wire feeding speed of the welding machine. On the operation panel of the welding machine, the display screen will display the parameter setting accordingly.
  • the electric welder is connected to the welding mask via a cable, so that after the welding machine parameters are set and the welding mask parameters are set, the operator wears the welding mask to start working.
  • connection cable between the welder and the welding mask may trip the operator when the operator performs the welding work.
  • the length of the cable it is possible to constrain the operator's welding work in a specific environment.
  • the connecting cable may be aging or broken due to frequent looping, resulting in poor signal connection and affecting the normal use of the welding mask.
  • the present invention aims to provide an improved automatic dimming welding mask, whereby the operator can set the operating parameters of the automatic dimming filter without repeatedly removing/wearing the mask, while allowing the operator to always maintain the wearing posture. Adjust the operating parameters to facilitate the welding work.
  • a wireless projection type automatic dimming welding mask comprising:
  • a micro projector connected to the automatic dimming filter and the wireless communication module
  • micro-projector is adapted to project operating parameters of the auto-dimmer filter and/or data received via the wireless communication module to the chassis in a state where the auto-dimming filter is in a transparent state On the plane in front of the welding mask, the wearer of the welding mask observes.
  • the pico-projector is integrated within the mask housing or detachably mounted on the mask housing.
  • an adjustment knob is mounted on the mask housing of the welding mask, the adjustment knob being adapted to adjust an operating parameter of the auto-dimmer filter via a control circuit of the welding mask.
  • the adjustment of the operating parameter of the automatic dimming filter comprises: adjusting the shading number, selecting the gear position between 5 and 8/9 to 13; adjusting the sensitivity, selecting the gear position between 0 and 10; delay time Adjustment, the gear position is selected between 0 and 10; the welding method is adjusted, and the welding, cutting and grinding are selected.
  • the wireless communication module is wirelessly connected to the wireless communication module of the electric welder, and the received data includes operating parameters of the electric welder and/or working hours of the welding torch.
  • the wireless communication module is a WIFI module, a Bluetooth module or an infrared data module.
  • the projection focal length of the pico-projector can be adjusted manually or automatically so that the image can be clearly projected on a plane at a distance of 1 to 3 meters in front of the welding mask.
  • the adjustment knob is adapted to adjust an operating parameter of the electric welder and/or a working time of the welding torch via a control circuit of the welding mask, the adjustment of the operating parameter of the electric welding machine comprises: current size adjustment, voltage magnitude Adjustment and DC-AC switching.
  • the pico projector is located next to the auto-dimmer on the welding mask.
  • the projection focal length of the pico projector can be adjusted manually or automatically, and the pico projector can project black and white or color images.
  • the automatic light-reducing filter is provided with a liquid crystal display for projecting display of operating parameters of the automatic light-reducing filter independently of the micro-projector and/or receiving via a wireless communication module of the welding mask Data to.
  • a welding apparatus comprising:
  • a welding gun connected to the electric welder via a cable;
  • the wireless communication module of the wireless projection type automatic dimming welding mask is wirelessly connected with the wireless communication module of the electric welding machine.
  • the operator can set the operating parameters of the automatic dimming filter without repeatedly removing/wearing the mask, thereby reducing the discomfort caused by the operator constantly adjusting and adapting to the external light and dark environment, and at the same time making the operation
  • the person always maintains the wearing posture and adjusts various operating parameters to bring convenience to the welding work.
  • the improved automatic dimming welding mask is also equipped with a wireless transmission module for receiving various operational parameter information of the electric welding machine for displaying the welding device, so that the operating parameters of the electric welding machine can be directly observed by the operator wearing the mask. It is easy for the operator to observe, and avoids the probability of the operator being injured in the welding operation.
  • the operating parameters of the welding machine are visually displayed on the welding mask without being limited by the cable length, which can help the operator to monitor and/or adjust in real time.
  • the state of the welder The operator can directly adjust the relevant operating parameters by wearing the mask, and the work convenience is ensured while ensuring that the eyes do not feel uncomfortable due to rapid changes in ambient light. Improve work efficiency.
  • the operator can observe the operating parameters of the welding machine in real time or adjust the relevant parameters via the adjusting knob on the mask, so that the operator can carry out on-site welding construction and save the connecting line.
  • the restraint of the cable avoids the possibility of causing any danger to the operator.
  • FIG. 1 shows an illustrative embodiment of a welding apparatus according to the invention
  • FIG. 3 is a schematic view showing the structure of an automatic dimming filter equipped with a micro-projection device employed in a welding mask according to the idea of the present invention
  • FIG. 4 is a schematic block diagram showing the basic control of a welding apparatus in accordance with the present invention.
  • Figure 5 is a perspective exploded view of the wireless projection welding mask shown in Figure 2;
  • Figure 6 is a schematic partial cross-sectional perspective view of the wireless projection welding mask shown in Figure 2;
  • Figure 7 is a schematic perspective view of a wireless projection welding mask in accordance with another embodiment of the present invention.
  • Fig. 1 schematically shows an illustrative embodiment of a welding apparatus of the present invention.
  • the welding apparatus includes an electric welder 300, a cylinder 400 (such as an argon cylinder), and a welding gun 500.
  • the electric welder 300, the gas cylinder 400, and the welding gun 500 are connected by a cable method known in the art.
  • the welding apparatus further includes a wireless communication module 100a provided, for example, on the electric welder 300.
  • the wireless communication module 100a is connected to the welder circuit 301 (shown in FIG. 4).
  • It can be used to issue signals related to the operating parameters of the welder such as current magnitude, voltage magnitude, DC or AC display, and torch operating time, and can be set accordingly to the welder circuit after receiving the control command, thereby changing the welding accordingly.
  • the above operating parameters of the machine such as current magnitude, voltage magnitude, DC or AC display, and torch operating time.
  • the position of the wireless communication module 100a in the electric welder 300 is not limited to that shown in FIG. 1, and may be hidden, for example, in the outer casing of the electric welder 300.
  • Fig. 2 schematically shows a perspective view of a wireless projection welding mask 1 according to an embodiment of the invention.
  • the welding mask 1 includes a mask housing 40, a head-up display type automatic dimming filter 10 mounted at the front of the mask housing 40, and a headband structure 60 (see Fig. 5).
  • the headgear structure 60 is coupled to the inside of the mask housing 40 for direct wearing on the operator's head and functions to secure the mask housing 40.
  • the automatic dimming filter 10 has a body on which a solar battery unit module 21, a light control module 22, and a liquid crystal display 23 are integrated.
  • the liquid crystal display is transparent before the arc is arced, and the liquid crystal display is turned into an opaque state at the moment of arcing, thereby providing protection for the wearer's eyes.
  • a protective screen 20 is disposed in front of the auto-dimmer filter 10.
  • the protective screen 20 is transparent to provide protection to the auto-dimming filter 10 from flying debris generated during soldering.
  • a control knob 30 is also provided on the mask housing 40.
  • the control knob 30 is coupled to the auto-dimmer filter 10 via a data cable, not shown, for adjusting its operating parameters.
  • the adjustment of the operating parameters may include the shading number (SHADE) adjustment of the automatic dimming filter 10, the gear position (for example, two gear ranges 5 to 8/9 to 13); the sensitivity adjustment (SENSITIVITY), the gear position 0 to 10; delay time adjustment, gear position 0 ⁇ 10; operation mode adjustment: welding (WELD), cutting (CUTTING) and grinding (GRIND).
  • a wireless communication module 100b is also disposed on the welding mask 1.
  • the wireless communication module 100b is disposed on the mask housing 40 above the protective screen 20. It will be apparent to those skilled in the art that the wireless communication module 100b can also be disposed on the mask housing 40 at any location that does not affect signal transmission or reception, such as being hidden within the mask housing 40.
  • the wireless communication module 100b can be connected to the control circuit of the welding mask as shown in FIG. 4, so that under the control of the knob 30, the control command for controlling the welding machine 300 can be sent out via the wireless communication module 100b or from the wireless Received by the communication module 100a Any data information is processed.
  • the wireless communication modules 100a and 100b may be wireless networking technology based (WIFI) modules, Bluetooth modules, infrared communication modules, or any other communication module that enables wireless data connections.
  • WIFI wireless networking technology based
  • the welding mask 1 further includes a micro-projector 600.
  • the microprojector 600 is built into the housing 40 of the welding mask 1.
  • the micro projector used in the present invention may be a projection device using micro laser projection technology, such as DMD (Digital Micromirror Device) using Texas Instruments (TI), 3M LCos (Liquid Crystal on Silicon), Explay. Related products of LCD (Liquid Crystal Display) technology.
  • DMD Digital Micromirror Device
  • TI Texas Instruments
  • 3M LCos Liquid Crystal on Silicon
  • Explay Related products of LCD (Liquid Crystal Display) technology.
  • any micro-projection device that can be found on the market using microelectromechanical technology and projection technology can be used as the micro-projector of the present invention.
  • the micro projector 600 is located beside the auto-dimming filter 10, is connected to the auto-dimmer filter 10 via a corresponding cable, and is arranged to be controllable by the control knob 30 via the control circuit 700 (see FIG. 4) of the welding mask 1 .
  • the pico projector 600 can be designed to adjust the shading number (SHADE) of the auto-dimming filter 10 in a state where the auto-dimming filter 10 is in a transparent state, for example, two gear positions. Range 5 ⁇ 8/9 ⁇ 13); Sensitivity adjustment (SENSITIVITY), gear position 0 ⁇ 10; delay time adjustment, gear position 0 ⁇ 10; operation mode adjustment: welding (WELD), cutting (CUTTING) and grinding (GRIND) Projected onto a plane in front.
  • a separate liquid crystal display 24 is also provided on the auto-dimmer filter 10 for displaying the above parameters of the auto-dimmer filter 10.
  • the liquid crystal display 24 is located on the side of the auto-lightening filter 10 that faces the wearer's face after the wearer wears the mask 1 .
  • the relevant parameters of the auto-dimming filter 10 can be displayed in advance via the independent liquid crystal display 24, and adjusted accordingly via the knob 30, and then the welding mask 1 is worn.
  • the wearer of the welding mask 1 can slightly lower the head and directly project the image of the above operating parameters onto the ground, so that the operating data can be directly observed without removing the welding mask 1 and Corresponding adjustments are made via control knob 30.
  • the welding mask 1 is worn.
  • the image of the above operating parameters can be directly projected onto a vertical surface of the side, such as a wall surface, so that each operation data can also be directly observed and adjusted accordingly via the control knob 30.
  • FIG. 4 shows a basic control block diagram employed in a welding mask in accordance with the present invention.
  • a battery is connected to the liquid crystal display 23 and the liquid crystal display 24 via the control circuit 700 of the welding mask 1
  • the knob 30 is also connected to the liquid crystal display 23 and the liquid crystal display 24 via the control circuit 700, so that the automatic dimming can be adjusted via the knob 30.
  • the control circuit 700 is connected to the wireless communication module 100b.
  • various operational parameters of the welding machine 300 can also be imaged by the micro projector 600 in real time.
  • Various operational parameters of the welder 300 such as current magnitude, voltage magnitude, DC or AC display, and torch operating time, can be imaged in a manner similar to that shown in FIG.
  • the individual displays on the auto-dimming filter 10 can also independently display various operational parameters of the welder 300.
  • the relevant parameters of the electric welder 300 can be displayed in advance via the independent liquid crystal display 24, and adjusted accordingly via the knob 30, and then the welding mask 1 is worn.
  • the operating parameters of the auto-dimming filter 10 and the operating parameters of the electric welder 300 can be simultaneously via the micro-projector 600 via the wireless communication modules 100a and 100b. Projected onto a plane beside the wearer for easy viewing by the wearer.
  • the operator then presses the knob 30 and rotates the knob 30 such that a highlight appears on the virtual image corresponding to a corresponding one of the operational parameters, such as current.
  • the knob 30 After pressing the knob 30 again, it can be rotated to increase or decrease the current parameter size. After the current magnitude is selected, the knob 30 is pressed again to complete the adjustment. Only an illustrative embodiment of adjusting the operating parameters by the operation of the knob 30 has been described above. Those skilled in the art will appreciate that other suitable embodiments of the knob 30 can be redesigned after understanding the corresponding principles.
  • the focal length of the pico projector 600 can be designed, for example, at a distance of about 1 meter, preferably between 1 and 3 meters, so that when the wearer projects the parametric image onto a plane about one meter in front of his head, it is just observable.
  • the pico-projector can also be provided with a manual focusing device that facilitates the wearer of the welding mask to manually adjust the focal length for sharp imaging on a suitable distance plane.
  • the projector can be a projector that projects black and white images or color images.
  • the brightness of the pico projector can also be adjusted manually or automatically.
  • the welding mask 1 according to the above embodiment of the present invention is further explained below with reference to Figs.
  • the headgear structure 60 is intended to be worn directly on the operator's head and functions to secure the mask housing 40.
  • a generally rectangular opening 40a is formed in the front portion of the mask housing 40, and the support frame 50 is detachably mounted, for example, in the opening 40a.
  • An automatic dimming filter 10 is fixedly mounted on the support frame 50. It should be understood that the automatic dimming filter 10 can be secured to the support frame 50 by any suitable means of attachment, such as bonding, screwing, crimping, latching, and the like.
  • the knob 30 for adjusting the auto-dimmer filter 10 is disposed on the mask housing 40, so that the operator can directly manipulate the knob 30 to perform the parameter adjustment operation by wearing the mask 1.
  • the transparent protective screen 20 is disposed in front of the automatic light-reducing filter 10 at the opening 40a of the mask housing 40. It should be understood that the transparent protective screen 20 can be fixed to the support frame 50 and the mask housing 40 in the opening 40a of the mask housing 40 by any suitable fixing means such as bonding, screw connection structure, crimping structure, latching structure and the like. between.
  • an opening 40b is formed in the mask housing 40, and the opening 40b is located beside the opening 40a.
  • the microprojector 600 can be inserted into the opening 40b such that its illumination source can project an image outward through the opening 40b.
  • the microprojector 600 can be secured within the mask housing 40 at a location that does not affect the headgear structure 60.
  • the pico projector 600 is built-in integrated into the welding mask.
  • FIG 7 schematically illustrates a welding mask in accordance with another embodiment.
  • the welding mask differs from the welding mask shown in Figures 5 and 6 only in that an external micro-projector 601 is provided.
  • the pico-projector 601 is detachably fixed to the mask housing 40 on the top of the mask housing 40 via a corresponding fixing structure 40c such as a clip or the like.
  • the associated power and data cables of the pico projector 601 can also be correspondingly disposed on the mask housing 40.
  • an external micro-projector is that it can be easily replaced if the micro-projector fails, or the manual focusing device can be placed directly on the micro-projector 601 to adjust the focal length, or even the micro-projector 601
  • the orientation can also be easily adjusted by the wearer without moving the head, thereby facilitating the wearer to find a suitable projection surface for image projection.
  • an external pico-projector 601 can be disposed on the mask housing 40 at any location that does not interfere with the normal operation of the auto-dimming filter.
  • the pico projector 600 or 601 according to the present invention should be designed to perform corresponding image projection only when the auto-dimming filter 10 is in a transparent state.
  • corresponding adjustment buttons may be provided on both sides of the independent liquid crystal display 24 for cooperation with the knob 30 to realize the automatic dimming filter 10 before the welding mask 1 is first worn by the operator. And/or parameter adjustment of the welder 300.
  • the operator can directly wear the wireless projection welding mask according to the present invention, and then operate the automatic dimming filter and/or the welding apparatus while the automatic dimming filter 10 is in a transparent state.
  • the parameters are projected onto a plane at a convenient location around the micro-projector, and the parameters are adjusted by manually adjusting the knob; then, after the micro-projector is turned off, the arcing can be performed directly.
  • the micro-projector in order to change the operating parameters or change the welding mode, the micro-projector can be turned on again when the auto-dimming filter is in a transparent state, and the various operating parameters are adjusted accordingly, and then the arcing is performed again for the welding operation. .
  • the operator does not need to take the under cover, adjust the parameters, and then wear the mask as in the prior art, and can directly wear the mask to adjust the relevant operating parameters, and improve
  • the convenience of work ensures that the eyes do not feel uncomfortable due to rapid changes in ambient light, thus improving work efficiency.
  • the operator is particularly well suited for soldering in dim environments - since the image created by the pico projector is sharper.
  • the operator is no longer restricted by the cable between the welding mask and the electric welding machine as in the prior art, thereby avoiding any constraint on the welding work.
  • the operating parameters of the electric welding machine can be observed and adjusted by the operator in real time, which is convenient for the operator to adjust the operating parameters of the electric welding machine according to the requirements of the construction welding, and improve the working efficiency.

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Abstract

一种无线投影式自动变光焊接面罩(1)及配备有该无线投影式自动变光焊接面罩(1)的焊接设备。该无线投影式自动变光焊接面罩包括：面罩壳体(40)；用于固定该面罩壳体(40)的头带结构(60)；在该面罩壳体(40)上固定的自动变光过滤器(10)；无线通讯模块(100a)；以及与该自动变光过滤器(10)和该无线通讯模块(100a)数据连接的微型投影器(600)，其中，在该自动变光过滤器(10)处于透明的状态下，该微型投影器(600)适于将该自动变光过滤器(10)的操作参数和/或经由该无线通讯模块(100a)接收到的数据投影到该焊接面罩(1)前方的平面上，供焊接面罩(1)的佩戴者观察。

Description

无线投影式焊接面罩及配备其的焊接机 技术领域
本发明大体上涉及具有用于显示操作状态数据的微型投影器的无线式焊接面罩以及采用这种焊接面罩的焊接机。
背景技术
近年来，自动变光焊接面罩已经在焊接现场广泛使用。这种自动变光焊接面罩大体上配备有自动变光过滤器。自动变光过滤器的主要原理是配备液晶面板，在焊接起弧之前液晶面板是透明的，在起弧的瞬间液晶面板转变成不透明的状态，从而为操作者的眼睛提供保护。通常这种自动变光过滤器配备有调节旋钮或按钮，在使用焊接面罩之前操作者必须取下面罩对自动变光过滤器的诸如灵敏度、延迟时间、遮光号、焊接方式等操作参数进行调节，然后再佩戴上面罩进行焊接操作。
在某些需要反复更改操作参数(例如改变焊接方式、调整灵敏度等)的焊接工作的现场，反复取下/佩戴面罩极大地消耗了操作者的体力、影响了焊接质量。另外，在取下面罩、设定参数、再佩戴面罩的过程中，操作者的眼睛对周围明暗环境变换需要不断调整来适应，甚至对个别操作者会产生严重的不适感，进而影响焊接工作，严重地会甚至对眼睛造成永久伤害。
以氩弧焊机为例，现代焊接设备大体上包括电焊机、气瓶、焊枪以及焊接面罩。在焊接之前，通常需要对电焊机的电流、电压、焊接持续时间、送丝速度等参数进行相应设定，在电焊机的操作面板上会有显示屏相应地显示参数设定。在电焊机与焊接面罩之间经由线缆相连，从而在电焊机参数设定好以及焊接面罩参数设定好后，操作者佩戴焊接面罩开始工作。
电焊机与焊接面罩之间的这种连接线缆在操作者进行焊接工作时有可能绊倒操作者。此外，受线缆长度的限制，有可能会约束到操作者在特定环境中的焊接工作。另外，由于焊接现场通常环境恶劣，因 此这种连接线缆在长期使用后有可能线路老化或者由于经常打圈而折断，造成信号连接不畅，影响焊接面罩的正常使用。
发明内容
本发明旨在提出一种改进的自动变光焊接面罩，由此，操作者无需反复取下/佩戴面罩就可以对自动变光过滤器的操作参数进行设置，同时使得操作者始终保持佩戴姿态即调整各项操作参数，为焊接工作带来便利。
根据本发明的一个方面，提供了一种无线投影式自动变光焊接面罩，其包括：
面罩壳体；
用于固定所述面罩壳体的头带结构；
在所述面罩壳体上固定的自动变光过滤器；
无线通讯模块；以及
与所述自动变光过滤器和所述无线通讯模块数据连接的微型投影器，
其中，在所述自动变光过滤器处于透明的状态下，所述微型投影器适于将所述自动变光过滤器的操作参数和/或经由所述无线通讯模块接收到的数据投影到所述焊接面罩前方的平面上，供焊接面罩的佩戴者观察。
优选地，所述微型投影器集成在所述面罩壳体内或者能够拆卸地安装在所述面罩壳体上。
优选地，在所述焊接面罩的面罩壳体上安装有调节旋钮，所述调节旋钮适于经由所述焊接面罩的控制电路调节所述自动变光过滤器的操作参数。
优选地，所述自动变光过滤器的操作参数的调节包括：遮光号调节，档位在5～8/9～13之间选择；灵敏度调节，档位在0～10之间选择；延迟时间调节，档位在0～10之间选择；焊接方式调节，在焊接、切割与打磨之间选择。
优选地，所述无线通讯模块与电焊机的无线通讯模块无线连接，所接收到的数据包括所述电焊机的操作参数和/或焊枪的工作时间。
优选地，所述无线通讯模块为WIFI模块、蓝牙模块或红外数据模块。
优选地，所述微型投影器的投影焦距能够手动地或自动地调整，以使得可以在所述焊接面罩前方的1米至3米距离处的平面上清晰投影成像。
优选地，所述调节旋钮适于经由所述焊接面罩的控制电路调节所述电焊机的操作参数和/或焊枪的工作时间，所述电焊机的操作参数的调节包括：电流大小调节、电压大小调节以及直流-交流切换。
优选地，所述微型投影器在所述焊接面罩上位于所述自动变光器的旁边。优选地，所述微型投影器的投影焦距可以手动地或自动地调整，并且所述微型投影器可以投射黑白或彩色影像。
优选地，所述自动变光过滤器设有液晶显示器，用于独立于所述微型投影器投影地显示所述自动变光过滤器的操作参数和/或经由所述焊接面罩的无线通讯模块接收到的数据。
根据本发明的另一个方面，还提供了一种焊接设备，其包括：
设有无线通讯模块的电焊机；
与所述电焊机经由线缆连接的焊枪；
与所述电焊机经由管路连接的气瓶；以及
前述的无线投影式自动变光焊接面罩，所述无线投影式自动变光焊接面罩的无线通讯模块与所述电焊机的无线通讯模块无线连接。
采用本发明的焊接面罩，操作者无需反复取下/佩戴面罩就可以对自动变光过滤器的操作参数进行设置，减少了操作者对外界明暗环境不断调整适应而造成的不适感，同时使得操作者始终保持佩戴姿态即调整各项操作参数，为焊接工作带来便利。另外，这种改进的自动变光焊接面罩还配备有无线传输模块，用于接收显示焊接设备的电焊机的各项操作参数信息，从而电焊机的操作参数可以直接由佩戴面罩的操作者观察到，便于操作者观察，同时避免了操作者在焊接操作中受伤的概率，另外，电焊机的操作参数不受电缆长度限制而直观地显示到焊接面罩上可以帮助操作者实时地监控和/或调整电焊机的状态。操作者佩戴着面罩就能够直接调节相关的操作参数，在提高工作便利性的同时确保了眼睛不会因环境光线的快速变化而导致的不适感，因此 提高了工作效率。
另外，采用本发明的焊接面罩，操作者无需取下面罩可实时观察到电焊机的操作参数或者经由面罩上的调节旋钮调节相关参数，便于操作者的现场焊接施工，同时由于省去了连接线缆的束缚，避免了导致操作者出现任何危险的可能性。
附图说明
从后述的详细说明并结合下面的附图将能更全面地理解本发明的前述及其它方面。需要指出的是，各附图的比例出于清楚说明的目的有可能不一样，但这并不会影响对本发明的理解。在附图中：
图1示出了根据本发明的焊接设备的一个示意性实施例；
图2示意性示出了根据本发明的一个实施例的无线投影式焊接面罩的立体图；
图3示意性示出了根据本发明的思路的在焊接面罩中所采用的配备有微型投影装置的自动变光过滤器结构的示意图；
图4示意性示出了根据本发明的焊接设备的基本控制框图；
图5示意性示出了如图2所示的无线投影式焊接面罩的立体分解图；
图6示意性示出了如图2所示的无线投影式焊接面罩的局部剖切立体图；
图7示意性示出了根据本发明的另一个实施例的无线投影式焊接面罩的立体图。
具体实施方式
在本申请的各附图中，结构相同或功能相似的特征由相同的附图标记表示。
图1示意性示出了本发明的焊接设备的一个示意性实施例。该焊接设备包括电焊机300、气瓶400(例如氩气瓶)以及焊枪500。电焊机300、气瓶400以及焊枪500之间经由本领域已知的线缆方式连接。除此以外，该焊接设备还包括例如在电焊机300上设置的无线通讯模块100a。该无线通讯模块100a与电焊机电路301(如图4所示)相连， 能够用于发出与电焊机的操作参数例如电流大小、电压大小、直流或交流显示以及焊枪工作时间等有关的信号，并且在接收到控制指令后可以对电焊机电路相应设定，从而相应改变电焊机的上述操作参数。
应当清楚，无线通讯模块100a在电焊机300中的所设位置不限于图1中所示，例如也可以隐藏内置于电焊机300的外壳中。
图2示意性示出了根据本发明的一个实施例的无线投影式焊接面罩1的立体图。焊接面罩1包括面罩壳体40、在所述面罩壳体40的前部安装的抬头显示式自动变光过滤器10、以及头带结构60(见图5)。头带结构60与所述面罩壳体40的内侧连接，用于直接佩戴在操作者的头上，起到固定面罩壳体40的作用。
自动变光过滤器10具有一本体，在所述本体上集成有太阳能电池单元模组21、光控模组22、液晶显示屏23。在焊接起弧之前液晶显示屏是透明的，在起弧的瞬间液晶显示屏转变成不透明的状态，从而为焊接面罩佩戴者的眼睛提供保护。
在自动变光过滤器10的前方布置一保护屏20。该保护屏20是透明的，从而为自动变光过滤器10提供了保护，免受焊接时产生的飞屑破坏。
在面罩壳体40上还设有一控制旋钮30。该控制旋钮30经由图中未示出的数据缆线与自动变光过滤器10相连，用于对其操作参数进行调节。这里，操作参数的调节可以包括自动变光过滤器10的遮光号(SHADE)调节、档位(例如两个档位范围5～8/9～13)；灵敏度调节(SENSITIVITY)、档位0～10；延迟时间调节、档位0～10；操作方式调节：焊接(WELD)、切割(CUTTING)和打磨(GRIND)。
如图2所示，焊接面罩1上也设有一无线通讯模块100b。例如，该无线通讯模块100b设置在面罩壳体40上位于保护屏20上方。本领域技术人员应当清楚，无线通讯模块100b也可以设置在面罩壳体40上任何不会影响信号发射或接收的部位，例如隐藏内置于面罩壳体40内。
该无线通讯模块100b可以与如图4所示的焊接面罩的控制电路相连，从而在旋钮30的控制下，可以经由无线通讯模块100b向外发出用于控制电焊机300的控制指令或者将自无线通讯模块100a接收到的 任何数据信息进行处理。无线通讯模块100a和100b可以是基于无线联网技术的(WIFI)模块、蓝牙模块、红外通讯模块或者任何其它可以实现无线数据连接的通讯模块。
如图2所示，根据本发明的焊接面罩1还包括微型投影器600。在如图2所示的示意性实施例中，该微型投影器600内置于焊接面罩1的壳体40内。
例如，在本发明中所采用的微型投影器可以为采用微型激光投影技术的投影装置，如采用了德州仪器(TI)的DMD(Digital Micromirror Device)、3M的LCos(Liquid Crystal on Silicon)、Explay的LCD(Liquid Crystal Display)技术的相关产品。作为替代地，市场上可以找到的任何采用微机电技术以及投影技术制成的微型投影装置均可以用作为本发明的微型投影器。
微型投影器600位于自动变光过滤器10的旁边，经由相应的线缆与自动变光过滤器10相连，并设置成可以经由焊接面罩1的控制电路700(见图4)由控制旋钮30控制。
如图1和3所示，微型投影器600可以设计成在自动变光过滤器10处于透明的状态下将自动变光过滤器10的遮光号(SHADE)调节、档位(例如两个档位范围5～8/9～13)；灵敏度调节(SENSITIVITY)、档位0～10；延迟时间调节、档位0～10；操作方式调节：焊接(WELD)、切割(CUTTING)和打磨(GRIND)投射到前方的一个平面上。如图3所示，在自动变光过滤器10上还设有一独立的液晶显示器24，用于显示自动变光过滤器10的上述参数。优选地，该液晶显示器24位于所述自动变光过滤器10的在佩戴者佩戴上焊接面罩1之后朝向佩戴者的脸部的侧面上。例如，操作者在首次佩戴焊接面罩1时，可以事先经由所述独立的液晶显示器24显示自动变光过滤器10的相关参数，并经由旋钮30进行相应地调节，然后再佩戴上焊接面罩1。
例如，在焊接作业的过程中，焊接面罩1的佩戴者可以略微低头而将上述操作参数的影像直接投射到地面上，这样在不摘掉焊接面罩1的情况下就可以直接观察各操作数据并经由控制旋钮30进行相应的调节。
又例如，在焊接作业的过程中，在焊接现场，焊接面罩1的佩戴 者可以将上述操作参数的影像直接投射到身边的一竖立面、例如墙面上，从而也可以直接观察各操作数据并经由控制旋钮30进行相应的调节。
图4示出了根据本发明的焊接面罩所采用的基本控制框图。一电池经由焊接面罩1的控制电路700与液晶显示屏23和液晶显示器24相连，并且旋钮30经由该控制电路700也与液晶显示屏23和液晶显示器24相连，从而经由旋钮30可以调节自动变光过滤器10的各项操作参数。此外，控制电路700与无线通讯模块100b相连，这样，通过无线通信模块100a与100b之间的数据交换，电焊机300的各项操作参数也可以实时地经由微型投影器600被影像投射出来，以使得电焊机300的各项操作参数例如电流大小、电压大小、直流或交流显示以及焊枪工作时间等能够以与如图2所示类似的方式被成像。
如图3所示，在自动变光过滤器10上的独立显示器同样也可以独立地显示电焊机300的各项操作参数。例如，操作者在首次佩戴焊接面罩1时，可以事先经由所述独立的液晶显示器24显示电焊机300的相关参数，并经由旋钮30进行相应地调节，然后再佩戴上焊接面罩1。
例如，在焊接作业的过程中，在操作者佩戴好焊接面罩1后，自动变光过滤器10的操作参数以及电焊机300的操作参数可以同时经由无线通讯模块100a和100b经由微型投影器600被投射到佩戴者身边的一个平面上，方便佩戴者观察。然后，操作者按压一下旋钮30并旋转旋钮30，使得在与相应一个操作参数例如电流所对应的虚像上出现高亮显示。接着，再次按压旋钮30后可以旋转以便增减电流参数大小。待选定电流大小之后，再次按压旋钮30完成调整。以上仅仅介绍了通过旋钮30的操作调节操作参数的一个示意性实施方式。本领域技术人员应当清楚在了解相应的原理之后，可以重新设计旋钮30的其它合适实施方式。
微型投影器600的焦距例如可以设计为1米左右，优选为1米至3米之间的距离，这样当佩戴者将参数影像投射到其头部前方一米左右的平面上时，恰好可以观察到最清晰的影像。作为替代地，微型投影器也可以设有手动调焦装置，方便焊接面罩的佩戴者手动调节焦距，以便在合适距离的平面上清晰成像。应当清楚，本发明中所采用的微 型投影器可以是投射出黑白影像或彩色影像的投影器。优选地，微型投影器的亮度也可以手动地或自动地调节。
以下参照图5和6进一步说明根据本发明的上述实施例的焊接面罩1。头带结构60用于直接佩戴在操作者的头上，起到固定面罩壳体40的作用。在面罩壳体40的前部开设有大体矩形的开口40a，支承框架50例如可以拆卸地安装在该开口40a内。在支承框架50上固定安装有自动变光过滤器10。应当清楚，可以采用粘接、螺钉连接结构、压接结构、锁扣结构等任何合适的固定方式将自动变光过滤器10固定在支承框架50上。
用于调节自动变光过滤器10的旋钮30在面罩壳体40上设置，这样便于操作者佩戴着面罩1直接用手操作旋钮30进行参数调整操作。透明保护屏20在面罩壳体40的开口40a处布置位于自动变光过滤器10的前方。应当清楚，可以采用粘接、螺钉连接结构、压接结构、锁扣结构等任何合适的固定方式将透明保护屏20在面罩壳体40的开口40a内固定于支承框架50与面罩壳体40之间。
此外，在面罩壳体40上还开设有开口40b，该开口40b位于开口40a的旁边。微型投影器600可以插入到该开口40b内，从而其发光源可以经由开口40b向外投射影像。微型投影器600可以在面罩壳体40内不影响头带结构60的位置被固定。在图5和6所示的实施例中，微型投影器600是内置集成在焊接面罩中。
图7示意性示出了根据另一个实施例的焊接面罩。该焊接面罩与图5和6所示的焊接面罩不同之处仅在于设有一个外置的微型投影器601。该微型投影器601在面罩壳体40的顶部上经由相应的固定结构40c例如夹片等能够拆卸地固定在面罩壳体40上。该微型投影器601的相关供电和数据线缆也可以相应地在面罩壳体40上设置。这种外置的微型投影器的好处是如果微型投影器出现故障可以方便地进行更换，或者手动调焦装置可以直接在该微型投影器601上设置来调节焦距，或者甚至该微型投影器601的朝向也可以由佩戴者在头不动的情况下方便调节，从而便于佩戴者找到合适的投影面进行影像投射。应当清楚，这种外置的微型投影器601可以设置在面罩壳体40上任何不影响自动变光过滤器正常工作的位置。
应当清楚根据本发明的微型投影器600或601应当设计成仅在自动变光过滤器10处于透明的状态下时才可以进行相应的影像投射。
作为替代地，如图3所示，在独立的液晶显示器24的两旁还可以设置相应的调节按键，用于在焊接面罩1首次由操作者佩戴之前与旋钮30配合实现对自动变光过滤器10和/或电焊机300的参数调节。
与现有技术的焊接面罩不同，操作者可以直接佩戴根据本发明的无线投影式焊接面罩，然后在自动变光过滤器10处于透明的状态下将自动变光过滤器和/或焊接设备的操作参数经由微型投影器投影到身边的一个方便位置处的平面上，通过手动调节旋钮调整参数；然后，在微型投影器关机后直接即可起弧进行焊接操作。此外，在焊接操作的过程中，为了更改操作参数或者更改焊接模式，可以待自动变光过滤器处于透明状态时将微型投影器再次开机，相应调节各项操作参数，之后再次起弧进行焊接操作。由此可以看出，采用本发明的无线投影式焊接面罩，操作者无需像现有技术那样必须取下面罩、调节参数、然后再佩戴面罩，直接能够佩戴着面罩调节相关的操作参数，在提高工作便利性的同时确保了眼睛不会因环境光线的快速变化而导致的不适感，因此提高了工作效率。另外，采用本发明的无线投影式焊接面罩，操作者尤其适合在昏暗的环境下进行焊接工作——由于此时微型投影器所成的像更加清晰。
此外，对于采用本发明的上述配有无线通讯模块的焊接面罩而言，操作者不再受到如现有技术中的焊接面罩与电焊机之间的线缆限制，避免了焊接工作时受到任何约束，同时电焊机的操作参数可以实时地由操作者观察到并相应调整，便于操作者根据施工焊接要求随时调整电焊机的操作参数，提高了工作效率。
尽管这里详细描述了本发明的特定实施方式，但它们仅仅是为了解释的目的而给出的，而不应认为它们对本发明的范围构成限制。在不脱离本发明精神和范围的前提下，各种替换、变更和改造可被构想出来。

Claims (11)

  1. 一种无线投影式自动变光焊接面罩，其包括：
    面罩壳体；
    用于固定所述面罩壳体的头带结构；
    在所述面罩壳体上固定的自动变光过滤器；
    无线通讯模块；以及
    与所述自动变光过滤器和所述无线通讯模块数据连接的微型投影器，
    其中，在所述自动变光过滤器处于透明的状态下，所述微型投影器适于将所述自动变光过滤器的操作参数和/或经由所述无线通讯模块接收到的数据投影到所述焊接面罩前方的平面上，供焊接面罩的佩戴者观察。
  2. 根据权利要求1所述的焊接面罩，其特征在于，所述微型投影器集成在所述面罩壳体内或者能够拆卸地安装在所述面罩壳体上。
  3. 根据权利要求1或2所述的焊接面罩，其特征在于，在所述焊接面罩的面罩壳体上安装有调节旋钮，所述调节旋钮适于经由所述焊接面罩的控制电路调节所述自动变光过滤器的操作参数。
  4. 根据前述权利要求任一所述的焊接面罩，其特征在于，所述自动变光过滤器的操作参数的调节包括：遮光号调节，档位在5～8/9～13之间选择；灵敏度调节，档位在0～10之间选择；延迟时间调节，档位在0～10之间选择；焊接方式调节，在焊接、切割与打磨之间选择。
  5. 根据前述权利要求任一所述的焊接面罩，其特征在于，所述无线通讯模块与电焊机的无线通讯模块无线连接，所接收到的数据包括所述电焊机的操作参数和/或焊枪的工作时间。
  6. 根据前述权利要求任一所述的焊接面罩，其特征在于，所述无线通讯模块为WIFI模块、蓝牙模块或红外数据模块。
  7. 根据前述权利要求任一所述的焊接面罩，其特征在于，所述微型投影器的投影焦距能够手动地或自动地调整，以使得可以在所述焊接面罩前方的1米至3米距离处的平面上清晰投影成像。
  8. 根据权利要求3至7任一所述的焊接面罩，其特征在于，所述调节旋钮适于经由所述焊接面罩的控制电路调节所述电焊机的操作参数和/或焊枪的工作时间，所述电焊机的操作参数的调节包括：电流大小调节、电压大小调节以及直流-交流切换。
  9. 根据前述权利要求任一所述的焊接面罩，其特征在于，所述微型投影器的投影焦距能够手动地或自动地调整，并且所述微型投影器能够投射黑白或彩色影像。
  10. 根据前述权利要求任一所述的焊接面罩，其特征在于，所述自动变光过滤器设有液晶显示器，用于独立于所述微型投影器投影地显示所述自动变光过滤器的操作参数和/或经由所述焊接面罩的无线通讯模块接收到的数据。
  11. 一种焊接设备，其包括：
    设有无线通讯模块的电焊机；
    与所述电焊机经由线缆连接的焊枪；
    与所述电焊机经由管路连接的气瓶；以及
    根据前述权利要求任一所述的无线投影式自动变光焊接面罩，所述无线投影式自动变光焊接面罩的无线通讯模块与所述电焊机的无线通讯模块无线连接。
PCT/CN2015/088719 2015-03-18 2015-09-01 无线投影式焊接面罩及配备其的焊接机 Ceased WO2016145795A1 (zh)

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