CN201710541U - Wireless remote control automatic shading arc-welding mask - Google Patents
Wireless remote control automatic shading arc-welding mask Download PDFInfo
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- CN201710541U CN201710541U CN2010200395198U CN201020039519U CN201710541U CN 201710541 U CN201710541 U CN 201710541U CN 2010200395198 U CN2010200395198 U CN 2010200395198U CN 201020039519 U CN201020039519 U CN 201020039519U CN 201710541 U CN201710541 U CN 201710541U
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Abstract
The utility model discloses a wireless remote control automatic shading arc-welding mask comprising a mask main body, a transmitter mounted on a welding machine and a receiver mounted on the mask main body, wherein the transmitter comprises a first direct current power supply, a current induction switch and a transmitting circuit; the current induction switch comprises a silicon steel sheet clamp, a rectifier, a secondary coil which is wound on the silicon steel sheet clamp, a direct current coil and a current inductor which is used for inducing a welding wire of the welding machine or current in the direct current coil; the silicon steel sheet clamp is arranged on the welding wire of the welding machine, and the secondary coil is connected with the direct current coil through the rectifier; and the first direct current power supply is connected with the transmitting circuit through the current inductor. Once current passes through the welding wire, the current inductor switches on the first direct current power supply and the transmitter to generate a signal, and the signal is received by the receiver to control a liquid crystal mirror to darken, thereby protecting the eyes of welding workers.
Description
Technical field
This utility model relates to the metal-processing industry technical field, relates in particular to the automatic shading electric welder's helmet of a kind of wireless remote control.
Background technology
In a large amount of metal material processing industry, welding procedure is a kind of indispensable processing method.Welding worker utilizes arc welding, and the dazzling meeting of dazzling high light that electric arc sends harms one's eyes.For the eyes of protecting welding worker are without prejudice, thereby guarantee welding quality, various electric welder's helmets arise at the historic moment.Wherein, light-operated face shield for welders answers land used very extensive, and it is signal source with the arc light, the start-up control circuit, control cover plate deepening, but light-operated face shield for welders with the arc light that occurs as control signal, although the time is very short, intensive arc light still can injure human eye.And if there is other high light, light-sensitive element can maloperation cause the malfunction of liquid crystal mirror.
Another kind of electric welder's helmet is to be that signal source is come the start-up control circuit with voltage or the electric current sensed, drives the liquid crystal mirror deepening on it then, thus the eyes of protection welding worker.But its structure is all very complicated, and cost is also higher, thereby can not be used widely.Therefore, demand urgently providing the automatic shading electric welder's helmet of a kind of improved wireless remote control to overcome above-mentioned defective.
The utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, cost is low and operate the automatic shading electric welder's helmet of reliable wireless remote control, it can play the automatic shading of forearc, thereby effectively protects the vision of welding worker and guarantee its work efficiency.
In order to solve the problems of the technologies described above, this utility model provides a kind of wireless remote control automatic shading electric welder's helmet, it comprises mask body, be installed in the emitter on the welding machine and be installed in receptor on the described mask body, and described emitter comprises first dc source, induction by current switch and radiating circuit.Described receptor comprises second dc source, reception control circuit and liquid crystal mirror, and described reception control circuit receives the signal of described radiating circuit emission and produces the driving signal and makes the variable color of described liquid crystal mirror.Described induction by current switch comprises silicon steel sheet folder, commutator, is wrapped in secondary coil, the dc coil on the described silicon steel sheet folder and is used for responding to the bonding wire of described welding machine or the current inductor of described dc coil electric current.Described silicon steel sheet is located on the bonding wire of described welding machine, and described secondary coil is connected with described dc coil by described commutator, and described first dc source links to each other with described radiating circuit by described current inductor.
Compared with prior art; whether the induction by current switch of the automatic shading electric welder's helmet of wireless remote control of the present utility model is responded to by current inductor in the bonding wire of dc welding machine has electric current to pass through; perhaps by the electric current in the bonding wire of secondary coil induction A.C. welder; after its rectification; respond to electric current in the dc coil by current inductor; when current inductor is sensed electric current; connect first dc source and radiating circuit; transmitter sends signal; receiver is controlled the deepening of liquid crystal mirror after receiving signal; like this, can just make the deepening of liquid crystal mirror at a forearc, thus the eyes of protection welding worker.Aforementioned structure makes this electric welder's helmet both can be used for A.C. welder, also can be used for dc welding machine, applied range.And it is simple in structure, the reliability height.
Preferably, described current inductor comprises first reed capsule, second reed capsule and single-pole double-throw switch (SPDT), the movable contact of described single-pole double-throw switch (SPDT) links to each other with described first reed capsule or second reed capsule, and the fixed contact of described single-pole double-throw switch (SPDT) links to each other with described radiating circuit.Because reed capsule is highly sensitive, in case there is electric current to pass through bonding wire, i.e. electric welding machine work, the contact of reed capsule is closed immediately, and transmitter is promptly connected first dc source, and the life-span of reed capsule is long, helps reducing cost.
By following description also in conjunction with the accompanying drawings, it is more clear that this utility model will become, and these accompanying drawings are used to explain embodiment of the present utility model.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the automatic shading electric welder's helmet of this utility model wireless remote control.
Fig. 2 is the operation principle block diagram of the automatic shading electric welder's helmet of wireless remote control shown in Figure 1.
Fig. 3 is the structural representation of the inductive switch of the automatic shading electric welder's helmet of wireless remote control shown in Figure 2.
Fig. 4 is the circuit diagram of the radiating circuit of the automatic shading electric welder's helmet of wireless remote control shown in Figure 2.
Fig. 5 is the circuit diagram of the reception control circuit of the automatic shading electric welder's helmet of wireless remote control shown in Figure 2.
The specific embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, this utility model provide a kind of simple in structure, cost is low and operate the automatic shading electric welder's helmet of reliable wireless remote control.
Elaborate the technical scheme of this utility model embodiment below in conjunction with accompanying drawing.As shown in Figure 1, the automatic shading electric welder's helmet of wireless remote control of the present utility model comprises mask body 1, is installed in the emitter 2 on the welding machine and is installed in receptor 3 on the described mask body 1.
As shown in Figure 2, described emitter 2 comprises the first dc source V1, induction by current switch 22 and radiating circuit 23.Described receptor 3 comprises the second dc source V2, reception control circuit 32 and liquid crystal mirror 33.Described reception control circuit 32 receives the signal of described radiating circuit 23 emissions and produces the driving signal and makes described liquid crystal mirror 33 variable colors.Described first dc source and second dc source can be storage battery, and voltage is 6V-9V.Described second dc source can be contained in face shield body 1 bottom.
As shown in Figure 3, described induction by current switch 22 comprises silicon steel sheet folder 222, commutator 223, is wrapped in secondary coil 225, the dc coil 224 on the described silicon steel sheet folder 222 and is used for responding to the bonding wire of described welding machine or the current inductor 221 of described dc coil 224 electric currents.Described silicon steel sheet folder 222 is located on the bonding wire of described welding machine, and described secondary coil 225 is connected with described dc coil 224 by described commutator 223, and the described first dc source V1 links to each other with described radiating circuit 23 by described current inductor 221.The abutment of a point expression first dc source V1 and described current inductor 221 among the figure, the abutment of b point described current inductor 221 of expression and described radiating circuit 23.
As preferred embodiment of the present utility model, described current inductor 221 comprises the first reed capsule 221a, the second reed capsule 221b and single-pole double-throw switch (SPDT) 221c, and the movable contact of described single-pole double-throw switch (SPDT) 221c links to each other with the described first reed capsule 221a or the second reed capsule 221b.Described silicon steel sheet folder 222 is located on the bonding wire of described welding machine, and described secondary coil 225 is connected with described dc coil 224 by described commutator 223.The described first reed capsule 221a can be folded on the bonding wire of dc welding machine by an insulating clamp, with the electric current in the induction bonding wire; Whether and the described second reed capsule 221b can place described dc coil 224, have electric current to pass through to respond in the described dc coil 224.
Fig. 4 has shown the radiating circuit of emitter shown in Figure 2.In the present embodiment, described radiating circuit 23 comprises oscillating circuit 231, is used to amplify the amplifying circuit 232 of described oscillator signal and the coupling circuit 233 that the coupling of the signal after the described amplification is launched.Concrete, constitute oscillating circuit by field effect transistor BG2, variable resistance R4, high frequency choke coil RFC1 and capacitor C 4, C3, C2, be used to produce oscillator signal.This oscillator signal is coupled to antenna ANT1 emission by inductance L 1 after amplifying through the amplifier that is made of audion BG1, inductance L 2, capacitor C 1, resistance R 1.
Fig. 5 has shown the reception control circuit of receptor shown in Figure 2.In the present embodiment, described reception control circuit 32 comprise the signal that detect to receive the emitter emission detection receiving circuit 321, be used to amplify the amplifying circuit 322 of the signal that receives and according to the control circuit 323 of the described liquid crystal mirror of the signal controlling deepening after amplifying.Described detection receiving circuit 321 comprises antenna ANT2, demodulator probe (L3, C9), audion BG3 and peripheral circuit RFC2, capacitor C 5, C6, C7, C8, C10 and resistance R 5-R7.Detected signal is coupled to audion BG4 through miniature transformer T1, and the signal after the transformator T2 that connects by this audion BG4 will amplify then is coupled to the base stage of the audion BG5 of control circuit 323, thereby controls the whether conducting of liquid crystal mirror, i.e. whether deepening.Variable resistance R8 regulates the bias current of BG4, makes it be in amplifying signal under the optimum state.
In another embodiment of the present utility model, described induction by current switch also comprises the DC adjustment switch and exchanges by-pass cock, this DC adjustment switch can be connected between described two-way choice switch and described first reed capsule, this interchange by-pass cock can be connected between described two-way choice switch and described second reed capsule, the size of regulating electric current according to welding machine type and welding rod size.
The operation principle of the automatic shading electric welder's helmet of this utility model wireless remote control is as follows.
When welding machine will be started working, be that A.C. welder or dc welding machine are stirred single-pole double-throw switch (SPDT) according to what use.When having electric current to pass through in the bonding wire of dc welding machine, first reed capsule action in the induction by current switch; Perhaps when having alternating current to pass through in the bonding wire of A.C. welder, produce induction electromotive force in the secondary coil, behind rectifier rectification, be delivered to dc coil, at this moment, the action of second reed capsule.The aforementioned dc source of winning that either way can make is powered to emitter, produces oscillator signal, sends by transmitting antenna.And the reception antenna of receiver receives this signal, controls the deepening of liquid crystal mirror, thereby effectively protects the eyes of welding worker.The induction by current construction of switch of this structure is simple, highly sensitive, reliable operation and cost is cheap, is suitable for applying.
Need to prove that radiating circuit of the present utility model is not limited to this type of oscillating circuit, also can be quartz oscillator or multivibrator; And receiving circuit of the present utility model also is not limited only to this, can adopt superregenerative signal receiving circuit etc., and these all are those skilled in the art's conventional techniques means, omits at this and describes in detail.
Claims (5)
1. automatic shading electric welder's helmet of wireless remote control, comprise mask body (1), be installed in the emitter (2) on the welding machine and be installed in receptor (3) on the described mask body (1), described emitter (2) comprises first dc source (V1), induction by current switch (22) and radiating circuit (23), described receptor (3) comprises second dc source (V2), reception control circuit (32) and liquid crystal mirror (33), described reception control circuit (32) receives the signal of described radiating circuit (23) emission and produces the driving signal and makes described liquid crystal mirror (33) variable color, it is characterized in that, described induction by current switch (22) comprises silicon steel sheet folder (222), commutator (223), be wrapped in the secondary coil (225) on the described silicon steel sheet folder (222), dc coil (224), and be used for responding to the bonding wire of described welding machine or the current inductor (221) of described dc coil (224) electric current, described silicon steel sheet folder (222) is located on the bonding wire of described welding machine, described secondary coil (225) is connected with described dc coil (224) by described commutator (223), and described first dc source (V1) links to each other with described radiating circuit (23) by described current inductor (221).
2. the automatic shading electric welder's helmet of wireless remote control according to claim 1, it is characterized in that, described current inductor (221) comprises first reed capsule (221a), second reed capsule (221b) and single-pole double-throw switch (SPDT) (221c), the movable contact of described single-pole double-throw switch (SPDT) (221c) links to each other with described first reed capsule (221a) or second reed capsule (221b), and the fixed contact of described single-pole double-throw switch (SPDT) (221c) links to each other with described radiating circuit (23).
3. the automatic shading electric welder's helmet of wireless remote control according to claim 2, it is characterized in that, described current inductor (221) also comprise be connected in the DC adjustment switch between described single-pole double-throw switch (SPDT) (221c) and described first reed capsule (221a) and be connected in described single-pole double-throw switch (SPDT) (221c) and described second reed capsule (221b) between the interchange by-pass cock.
4. according to claim 1 or the automatic shading electric welder's helmet of 2 or 3 described wireless remote controls, it is characterized in that described radiating circuit (23) comprises the oscillating circuit (231) that is used to produce oscillator signal, the amplifying circuit (232) that is used to amplify described oscillator signal and the coupling circuit (233) that the coupling of the signal after the described amplification is launched.
5. the automatic shading electric welder's helmet of wireless remote control according to claim 4, it is characterized in that, described reception control circuit (32) comprise the signal that detect to receive the emitter emission detection receiving circuit (321), be used to amplify the amplifying circuit (322) of the signal that receives and according to the control circuit (323) of the described liquid crystal mirror of the signal controlling deepening after amplifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200395198U CN201710541U (en) | 2010-01-19 | 2010-01-19 | Wireless remote control automatic shading arc-welding mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200395198U CN201710541U (en) | 2010-01-19 | 2010-01-19 | Wireless remote control automatic shading arc-welding mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201710541U true CN201710541U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200395198U Expired - Fee Related CN201710541U (en) | 2010-01-19 | 2010-01-19 | Wireless remote control automatic shading arc-welding mask |
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| CN (1) | CN201710541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172136A (en) * | 2018-10-29 | 2019-01-11 | 安徽华生机电设备有限公司 | A kind of wireless automatic beam change weld cap and its control system |
| US11090192B2 (en) | 2014-09-15 | 2021-08-17 | 3M Innovative Properties Company | Personal protective system tool communication adapter |
| US11813200B2 (en) | 2019-07-19 | 2023-11-14 | 3M Innovative Properties Company | Automatic darkening filter with simplified set-up |
-
2010
- 2010-01-19 CN CN2010200395198U patent/CN201710541U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11090192B2 (en) | 2014-09-15 | 2021-08-17 | 3M Innovative Properties Company | Personal protective system tool communication adapter |
| CN109172136A (en) * | 2018-10-29 | 2019-01-11 | 安徽华生机电设备有限公司 | A kind of wireless automatic beam change weld cap and its control system |
| US11813200B2 (en) | 2019-07-19 | 2023-11-14 | 3M Innovative Properties Company | Automatic darkening filter with simplified set-up |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20140119 |