CN210044261U - Liquid crystal welding goggles, welding machine and welding device - Google Patents
Liquid crystal welding goggles, welding machine and welding device Download PDFInfo
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- CN210044261U CN210044261U CN201920298726.6U CN201920298726U CN210044261U CN 210044261 U CN210044261 U CN 210044261U CN 201920298726 U CN201920298726 U CN 201920298726U CN 210044261 U CN210044261 U CN 210044261U
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Abstract
The utility model discloses a liquid crystal welding goggles, welding machine and welding set relates to the goggles field. This goggles includes: the goggles body, be provided with liquid crystal lens and drive circuit in the picture frame of goggles body, drive circuit is connected with the liquid crystal layer of liquid crystal lens, still is provided with digital signal processor and signal receiving circuit in the goggles body, and digital signal processor's output port is connected with drive circuit, and digital signal processor's input port and signal receiving circuit are connected, and signal receiving circuit and the signal transmission circuit who sets up in the welding machine are connected. The utility model provides a liquid crystal welding goggles can keep apart harmful light completely, can be along with the automatic shading degree of changing of intensity of arc light simultaneously, make the people can be under different welding methods and operating current, be close arc light and keep away from the arc light time, the homoenergetic sees the welding thing and dissolves the pond condition, increases the security and the flexibility of welding personnel operation.
Description
Technical Field
The utility model relates to a goggles field especially relates to a liquid crystal welding goggles, a welding machine and a welding set.
Background
In the welding process, welding arc light is strong, and is great to welding personnel's eyes injury, therefore welding personnel all need wear the welding goggles among the welding process to avoid the injury of arc light to eyes.
The welding goggles used by welding personnel at present are divided into common welding goggles and automatic light-changing welding goggles, wherein the automatic light-changing welding goggles can automatically change light according to the intensity of arc light.
However, the existing automatic light-changing welding goggles only sense arc light through a photosensitive component, and after the arc is generated during welding, a liquid crystal lens is triggered by a control component to darken.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a liquid crystal welding goggles, a welding machine and a welding set.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a liquid crystal welding goggle comprising: the goggles body, be provided with liquid crystal lens and drive circuit in the picture frame of goggles body, drive circuit with the liquid crystal layer of liquid crystal lens is connected, drive circuit is used for the drive liquid crystal in the liquid crystal layer of liquid crystal lens deflects, this internal digital signal processor and the signal receiving circuit of still being provided with of goggles, digital signal processor's output port with drive circuit connects, digital signal processor's input port with signal receiving circuit connects, signal receiving circuit is connected with the signal transmission circuit who sets up in the welding machine, signal receiving circuit is used for receiving the welding signal of welding machine.
The utility model has the advantages that: the utility model provides a liquid crystal welding goggles, when the welder welds, the welding signal of passing through signal reception circuit receiving welding machine, can be before welding arc light produces, shading degree through digital signal processor control liquid crystal welding goggles, owing to be the work of triggering the liquid crystal lens before the striking, so can keep apart harmful light completely, simultaneously can be along with the automatic shading degree that changes of intensity of arc light, make the people can be under different welding methods and working current, be close arc light and when keeping away from the arc light, the homoenergetic sees welding thing and molten bath condition clearly, increase the security and the flexibility of welder's operation.
The utility model provides an another technical scheme as follows of above-mentioned technical problem:
a signal sending circuit is arranged in welding and connected with a signal receiving circuit arranged in a liquid crystal welding goggles, and the signal sending circuit is used for generating a welding signal according to the current of the welding machine during working and sending the welding signal to the signal receiving circuit.
The utility model provides an another technical scheme as follows of above-mentioned technical problem:
a welding device, comprising: the liquid crystal welding goggles of the technical scheme and the welding machine of the technical scheme are provided.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the liquid crystal welding goggles of the present invention;
FIG. 2 is a schematic diagram of a digital signal processor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a signal receiving circuit according to another embodiment of the liquid crystal welding goggles of the present invention;
fig. 4 is a schematic structural diagram of a control circuit provided in another embodiment of the liquid crystal welding goggles of the present invention;
FIG. 5 is a schematic view of a structural framework of an embodiment of the liquid crystal welding goggles of the present invention;
fig. 6 is a schematic structural diagram of a signal transmission circuit provided by an embodiment of the welding machine of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, for the structure schematic diagram provided by the embodiment of the liquid crystal welding goggles of the present invention, this liquid crystal welding goggles includes: the goggles comprise a goggles body 100, a liquid crystal lens 10 and a driving circuit 20 are arranged in a goggle frame of the goggle body 100, the driving circuit 20 is connected with a liquid crystal layer of the liquid crystal lens 10, the driving circuit 20 is used for driving liquid crystals in the liquid crystal layer of the liquid crystal lens 10 to deflect, a digital signal processor 30 and a signal receiving circuit 40 are further arranged in the goggle body 100, an output port of the digital signal processor 30 is connected with the driving circuit 20, an input port of the digital signal processor 30 is connected with the signal receiving circuit 40, the signal receiving circuit 40 is connected with a signal sending circuit arranged in a welding machine, and the signal receiving circuit 40 is used for receiving welding signals of the welding machine.
As shown in fig. 2, a schematic structural diagram of an exemplary digital signal processor 30 is provided, and the model of the digital signal processor 30 may be SH69P56, where pin 7, pin 9, pin 10 and pin 17 are signal input pins, pin 2 and pin 4 are pulse output pins, pin 5 and pin 6 are charge control pins, pin 16 is a battery level detection pin, pin 11, pin 62 and pin 12 are manually set pins, pin 63 and pin 18 are temperature detection pins, and pin 15 and pin 14 are signal receiving trigger pins.
Fig. 2 is a diagram of an exemplary digital signal processor 30, and those skilled in the art can select and modify resistors, capacitors, etc. in the peripheral circuit thereof to implement the function of the trigger circuit, and select specific resistance values, capacitors, etc. according to actual requirements.
For convenience of description, SH69P56 chip will be described as an example.
The working principle of the liquid crystal welding goggles according to the present embodiment will be described below.
After welding starts, the signal receiving circuit 40 receives an arc striking signal sent by a signal sending circuit arranged in the welding machine and then sends the arc striking signal to the digital signal processor 30, the digital signal processor 30 carries out digital processing on the arc striking signal, the arc striking signal is converted into PWM waves and then sent to the driving circuit 20, and the driving circuit 20 drives liquid crystals in a liquid crystal layer of the liquid crystal lens 10 to deflect according to the PWM waves and adjusts the brightness of goggles.
It should be understood that, in the present application, the driving circuit 20 and the liquid crystal lens 10 are both in the prior art, and the specific structure and connection relationship thereof can be uniquely determined by those skilled in the art, and are not described herein again.
Meanwhile, the digital signal processor 30 and the signal receiving circuit 40 are also the prior art, the specific structure and the connection relationship thereof can be uniquely determined by those skilled in the art, and the implemented function is the existing function of the chip, which is not described herein again.
The liquid crystal welding goggles that this embodiment provided, when the welder welds, the welding signal of welding machine is received through signal receiving circuit 40, can be before welding arc light produces, the shading degree of liquid crystal welding goggles is controlled through digital signal processor 30, owing to trigger liquid crystal lens 10 work before the striking, so can keep apart harmful light completely, can be along with the automatic shading degree that changes of intensity of arc light simultaneously, make the people can be under different welding methods and operating current, when being close arc light and far away from the arc light, homoenergetic is seen the welding thing and the molten bath condition clearly, increase the security and the flexibility of welder's operation.
Meanwhile, the control module does not need to be in a working state all the time by a mode of triggering goggles to work through an arc striking signal, and the control module is triggered only 0.2-0.5 milliseconds before welding, so that the electric energy waste caused by the fact that the control module and the adjusting module are in the working state all the time is avoided.
Optionally, in some embodiments, the signal receiving circuit 40 includes: the welding machine comprises a receiving chip 41 and a first radio frequency module 42, wherein the receiving chip 41 is respectively connected with a working circuit of the welding machine and the first radio frequency module 42, and a signal transmitting circuit is connected with a signal receiving circuit 40 through the first radio frequency module 42.
As shown in fig. 3, a schematic diagram of an exemplary signal receiving circuit 40 is provided, which may include: the welding signal processing circuit comprises a receiving chip 41, a first radio frequency module 42, an amplifying circuit and the like, wherein the type of the receiving chip 41 can be PT2294, the transistors Q1, Q2 and Q3 form the amplifying circuit, the radio frequency module receives the welding signal and sends the welding signal to the receiving chip 41 to decode the welding signal, the decoded signal is sent out through a pin 17, and the amplified signal is sent to a pin 14 of the digital signal processor 30 through the transistor Q5 after passing through the amplifying circuit.
Fig. 3 is a diagram of an exemplary signal receiving circuit 40, and those skilled in the art can select and modify resistors, capacitors, etc. to implement the functions of the trigger circuit, and select specific resistance values, capacitance values, etc. according to actual requirements.
Optionally, in some embodiments, a control circuit 50 is further disposed in the goggle body 100, and the control circuit 50 is connected to the digital signal processor 30 for controlling the digital signal processor 30 to set the operating parameters of the liquid crystal lens 10.
Optionally, in some embodiments, the control circuit 50 comprises: the sensitivity button SW3, the sensitivity button SW3 are connected with the digital signal processor 30, and the sensitivity button SW3 is used for controlling the digital signal processor 30 to set the sensitivity of the liquid crystal lens 10 to the arc generated during welding.
Optionally, in some embodiments, the control circuit 50 comprises: the delay key SW5 and the delay key SW5 are connected to the dsp 30, and the delay key SW5 is used to control the dsp 30 to set the delay time for switching the liquid crystal lens 10 to the dark state.
Optionally, in some embodiments, the control circuit 50 comprises: the transmittance button SW4, the transmittance button SW4 are connected to the digital signal processor 30, and the transmittance button SW4 is used for controlling the digital signal processor 30 to set the minimum transmittance of the liquid crystal lens 10 during operation.
As shown in fig. 4, a schematic diagram of an exemplary control circuit 50 is provided, which may include a sensitivity key SW3, a delay key SW5 and a transmittance key SW4 in the above embodiments, wherein the sensitivity key SW3 may be connected to pin 11 of the digital signal processor 30, the delay key SW5 may be connected to pin 11 and pin 62 of the digital signal processor 30, and the transmittance key SW4 may be connected to pin 12 of the digital signal processor 30.
It should be understood that those skilled in the art can select and combine the keys within the protection scope of the present application, and detailed descriptions of the specific combination are omitted here.
The sensitivity, the time delay and the light transmittance of the light-changing liquid crystal welding goggles are adjusted through the sensitivity button SW3, the time delay button SW5 and the light transmittance button SW4, so that the light-changing liquid crystal welding goggles can be used more flexibly, and welding personnel with different body conditions and different light induction can use the light-changing liquid crystal welding goggles conveniently.
Optionally, in some embodiments, a power source is also disposed within the goggle body 100.
The power supply can respectively supply power for the digital signal processor 30, the receiving chip 41 and the like, and preferably, lithium batteries can be adopted to provide power support for circuits of other groups of modules, so that the light-changing liquid crystal welding goggles circuit is ensured to be more stable in current and longer in service life.
Optionally, in some embodiments, all of the embodiments described above may be included, as shown in fig. 5, which is a schematic structural frame diagram provided for other embodiments of the liquid crystal welding goggles of the present invention.
The liquid crystal welding goggles may include: the liquid crystal display device comprises a driving circuit 20, a liquid crystal lens 10, a digital signal processor 30, a control circuit 50, a signal receiving circuit 40 and a signal transmitting circuit 60.
It should be understood that the signaling circuitry 60 is provided on the welder.
The digital signal processor 30 is connected to the driving circuit 20, the control circuit 50 and the signal receiving circuit 40, the driving circuit 20 is connected to the liquid crystal lens 10, and the signal receiving circuit 40 and the signal transmitting circuit 60 are connected by radio frequency.
The working processes of the respective components have been described in the above embodiments, and are not described in detail herein.
In other embodiments of the present invention, there is also provided a welding machine, wherein a signal transmitting circuit is disposed in the welding machine, the signal transmitting circuit is connected to a signal receiving circuit disposed in the liquid crystal welding goggles, and the signal transmitting circuit is configured to generate a welding signal according to a current when the welding machine operates, and transmit the welding signal to the signal receiving circuit.
Optionally, in some embodiments, as shown in fig. 6, an exemplary schematic diagram of a signaling circuit is provided, where the signaling circuit includes: the welding machine comprises a transmitting chip 61 and a second radio frequency module 62, wherein the transmitting chip 61 is respectively connected with a working circuit of the welding machine and the second radio frequency module 62, and a signal transmitting circuit is connected with a signal receiving circuit through the second radio frequency module 62.
The type of the transmitting chip 61 can be PT2264, the transmitting chip 61 can set a signal code according to the obtained current of the welding machine, the obtained signal is modulated into a serial coding waveform through 2-pin, 3-pin, 4-pin, 5-pin and 6-pin data coding, and the signal code of a specific wave band is transmitted to 14 pins in the receiving chip PT2294 of the automatic light-changing liquid crystal welding goggles through 17 pins.
Fig. 6 is a diagram of an exemplary signal transmission circuit structure, and those skilled in the art can select and modify resistors, capacitors, etc. to implement the function of the trigger circuit, and select specific resistance values, capacitors, etc. according to actual requirements.
The utility model provides an another technical scheme as follows of above-mentioned technical problem:
a welding device, comprising: liquid crystal welding goggles as described in any one of the above embodiments, and a welder as described in any one of the above embodiments.
The liquid crystal welding goggles are internally provided with a signal receiving circuit, the welding machine is internally provided with a signal sending circuit, and a receiving chip and a sending chip can be paired through a CMOS technology, so that the possibility of code conflict and unauthorized code scanning is reduced.
In the description herein, references to the description of the terms "embodiment one," "embodiment two," "example," "specific example" or "some examples," etc., mean that a particular method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present invention.
In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, methods, apparatuses, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. Liquid crystal welding goggles, comprising: the goggles body, be provided with liquid crystal lens and drive circuit in the picture frame of goggles body, drive circuit with the liquid crystal layer of liquid crystal lens is connected, drive circuit is used for the drive liquid crystal in the liquid crystal layer of liquid crystal lens deflects, this internal digital signal processor and the signal receiving circuit of still being provided with of goggles, digital signal processor's output port with drive circuit connects, digital signal processor's input port with signal receiving circuit connects, signal receiving circuit is connected with the signal transmission circuit who sets up in the welding machine, signal receiving circuit is used for receiving the welding signal of welding machine.
2. The liquid crystal welding goggles of claim 1, wherein the signal receiving circuit includes: the welding machine comprises a receiving chip and a first radio frequency module, wherein the receiving chip is respectively connected with a working circuit of the welding machine and the first radio frequency module, and the signal sending circuit is connected with the signal receiving circuit through the first radio frequency module.
3. The liquid crystal welding goggles as claimed in claim 1, wherein a control circuit is further disposed in the goggle body, and the control circuit is connected to the digital signal processor for controlling the digital signal processor to set the operating parameters of the liquid crystal lens.
4. The liquid crystal welding goggles of claim 3, wherein said control circuit includes: the sensitivity button is connected with the digital signal processor and used for controlling the digital signal processor to set the sensitivity of the liquid crystal lens to arc light generated during welding.
5. The liquid crystal welding goggles of claim 3, wherein said control circuit includes: and the delay key is connected with the digital signal processor and used for controlling the digital signal processor to set the delay time for converting the liquid crystal lens into a dark state.
6. The liquid crystal welding goggles of claim 3, wherein said control circuit includes: and the light transmittance key is connected with the digital signal processor and used for controlling the digital signal processor to set the minimum light transmittance of the liquid crystal lens during working.
7. The liquid crystal welding goggles as claimed in any one of claims 1 to 6, wherein a power source is further provided within the goggle body.
8. A welding machine is characterized in that a signal sending circuit is arranged in the welding machine and connected with a signal receiving circuit arranged in a liquid crystal welding goggles, and the signal sending circuit is used for generating a welding signal according to the current of the welding machine during working and sending the welding signal to the signal receiving circuit.
9. The welder of claim 8, wherein the signaling circuit comprises: the transmitting chip is respectively connected with the working circuit of the welding machine and the second radio frequency module, and the signal transmitting circuit is connected with the signal receiving circuit through the second radio frequency module.
10. A welding device, comprising: liquid crystal welding goggles as claimed in any one of claims 1 to 7, and a welder as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298726.6U CN210044261U (en) | 2019-03-08 | 2019-03-08 | Liquid crystal welding goggles, welding machine and welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298726.6U CN210044261U (en) | 2019-03-08 | 2019-03-08 | Liquid crystal welding goggles, welding machine and welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210044261U true CN210044261U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920298726.6U Active CN210044261U (en) | 2019-03-08 | 2019-03-08 | Liquid crystal welding goggles, welding machine and welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210044261U (en) |
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2019
- 2019-03-08 CN CN201920298726.6U patent/CN210044261U/en active Active
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