CN209624904U - Electric welder's helmet and its circuit structure with electrochromism camera - Google Patents
Electric welder's helmet and its circuit structure with electrochromism camera Download PDFInfo
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- CN209624904U CN209624904U CN201920421367.9U CN201920421367U CN209624904U CN 209624904 U CN209624904 U CN 209624904U CN 201920421367 U CN201920421367 U CN 201920421367U CN 209624904 U CN209624904 U CN 209624904U
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Abstract
The utility model discloses electric welder's helmets and its circuit structure with electrochromism camera, photosensitive sensor receives arc optical signal and the signal is transferred to circuit board, circuit board according to signal magnitude controls the voltage between leading Electronic Speculum piece and rear conductive eyeglass so that electrochromic media layer occurs to chemically react and generates color change, so that the image when electric welding of camera energy shooting clear and being shown by liquid crystal display.The electric welder's helmet shoot and show by liquid crystal display by camera always during the entire process of electric welding, operator only need to can see electrode welding process clearly by liquid crystal display, without taking or putting down electric welder's helmet manually, it is avoided that human eye comes to harm, simultaneously, also the effect to filter can be adjusted according to the strong and weak of arc light, electrochromic media layer color is deeper when arc light is stronger, and filter effect is more preferable；Electrochromic media layer color is shallower when arc light is weaker, and filter effect is worse.Use process is more convenient.
Description
Technical field
The utility model relates to electric welder's helmets and its circuit structure with electrochromism camera.
Background technique
In order to avoid the harmful radiation of the ultraviolet and infrared ray of electric arc generation and the strong light of welding are hurt caused by eyes
Evil, various electric welding protective masks are to meet the market demand to come into being, such as one kind of Patent No. CN207871052U is hand-held
Formula electric welder's helmet, hand-held electric welding face mask be using common filter glass piece as microscope group, it is cheap, but there are series of problems.
Hand-held electric welding face mask does not have automatic beam change function, and electric welder must remove electric welder's helmet striking, but the harmful electricity of naked eye contact
Welding arc light easily causes the damage of eye.In addition this electric welder's helmet only has a kind of shade number, it is difficult to adapt to different welding needs.
Light-control welding face guard is presently the most advanced electric welding protective mask, such as one kind of Patent No. CN207627484U in the market
Automatic light-changing electric-welding face guard, but the change process of light-control welding face guard light transmittance needs the time, so the moment arc light of the starting the arc
Effect can not avoid completely, but reach maximum in starting the arc prompt radiation intensity, therefore electro-welding arc still can make human eye
At injury.At the same time, basis color number possessed by light-control welding face guard (generally No. three) and arc light is strong when striking, spot welding
The unstable caused light-control welding face guard color consecutive variations of degree size can all cause electrical welding operation, and person can not clearly observe
It is welded operating condition.
Utility model content
The utility model provides electric welder's helmet and its circuit structure with electrochromism camera, and which overcome backgrounds
The existing deficiency of technology.The utility model solve the used technical solution of its technical problem first is that:
Electric welder's helmet with electrochromism camera, it includes:
Mask body, photovoltaic battery panel, power module, electrochromism camera shooting and display module, photosensitive sensor, photovoltaic electric
Pond plate is installed in mask body with power module and the two is connected, and photovoltaic battery panel is converted solar energy into electrical energy to electricity
Source module or electrochromism camera shooting and display module power supply, photosensitive sensor are mounted on mask body lateral surface, the electroluminescent change
Color camera shooting and display module include pedestal, circuit board, liquid crystal display, camera, leading Electronic Speculum piece, rear conductive eyeglass, electroluminescent
Color changing media layer, pedestal install mask body, and leading Electronic Speculum piece, electrochromic media layer, rear conductive eyeglass are connected to one in turn
It rises and is mounted in pedestal, and leading Electronic Speculum piece is towards on the outside of mask body, leading Electronic Speculum piece and rear conduction eyeglass are and circuit
Plate is electrically connected, and circuit board is mounted in pedestal and is electrically connected with camera, liquid crystal display, photosensitive sensor, camera
It is mounted in pedestal and its camera lens conductive eyeglass after, liquid crystal display is mounted in pedestal and its screen is towards mask body
Inside；
Photosensitive sensor receives arc optical signal and the signal is transferred to circuit board, before circuit board is controlled according to signal magnitude
Voltage between conductive eyeglass and rear conductive eyeglass so that electrochromic media layer occurs to chemically react and generates color change, into
And enable camera shooting clear electric welding when image and shown by liquid crystal display.
Among one preferred embodiment: leading Electronic Speculum piece, electrochromic media layer, rear conductive eyeglass, camera are successively bonded
CCD camera assembly is formed together.
Among one preferred embodiment: the pedestal is equipped with assembly cavity, and pedestal front-end and back-end are respectively equipped with and assembly cavity phase
The first through hole of connection and the second through-hole, assembly cavity is interior to be equipped with a fixed plate, and assembly cavity is divided into front cavity with after by fixed plate
Cavity, leading Electronic Speculum piece, electrochromic media layer, rear conductive eyeglass are located at interior front cavity and leading Electronic Speculum piece and first through hole phase
Corresponding, camera rear end is fixed in fixed plate, and circuit board and liquid crystal display are fixed in rear chamber and circuit board is located at and fixes
Between plate and liquid crystal display.
Among one preferred embodiment: the electric welder's helmet further includes the convex lens for amplifying the image of liquid crystal display
Mirror, the convex lens are fixed in rear chamber and are located at liquid crystal display rear.
Among one preferred embodiment: the mask body correspond to human eye position installed spaced apart first mounting groove and
Second mounting groove, the mask body top are equipped with third mounting groove, and the photosensitive sensor is mounted on the first mounting groove, described
Pedestal is mounted on the second mounting groove, the photovoltaic battery panel be mounted on mask body lateral surface and be located above the first mounting groove or
The lower section and；The power module is mounted in third mounting groove.
The utility model solve the used technical solution of its technical problem second is that: application above-mentioned any one described in
The electric welder's helmet with electrochromism camera circuit structure, the circuit board include signal acquisition module and signal amplification
Module, photosensitive sensor output end are connected with signal acquisition module input terminal, and signal acquisition module output end and signal amplify mould
Block input terminal is connected, the leading Electronic Speculum piece and rear conductive mirror of signal amplification module output end and electrochromism camera shooting and display module
Piece is connected；
Photosensitive sensor converts electric signal for arc optical signal and is transferred to signal acquisition module, and signal acquisition module will be electric
Signal is transferred to signal amplification module, and amplified electric signal is transferred to by signal amplification module again after amplifying electric signal
Leading Electronic Speculum piece and rear conductive eyeglass, so that the voltage between leading Electronic Speculum piece and rear conductive eyeglass changes so that electroluminescent change
Color dielectric layer, which occurs to chemically react, simultaneously generates color change, so that image when the electric welding of camera energy shooting clear and leading to
Liquid crystal display is crossed to be shown.
Among one preferred embodiment: the signal acquisition module includes tie point TP1, tie point TP2, resistance R1, resistance
The one end R2, tie point TP1 and photosensitive sensor U1, the one end resistance R2, signal amplification module input terminal are connected, the resistance R2 other end
It is connected with the one end resistance R1, the resistance R1 other end is connected with tie point TP2, ground terminal.
Among one preferred embodiment: the signal amplification module includes capacitor C1, resistance R3, resistance R4, resistance R5, capacitor
EC1, operational amplifier U1B, the one end capacitor C1 are connected with power end, and the capacitor C1 other end is connected with resistance R3 and ground terminal, electricity
The resistance R3 other end is connected with the one end resistance R5, operational amplifier U1B negative input, the resistance R5 other end and operational amplifier
U1B output end is connected, and operational amplifier U1B electrode input end is connected with the one end resistance R4, the one end capacitor EC1, and resistance R4 is another
End be connected with tie point TP1, the capacitor EC1 other end is connected with resistance R1, ground terminal, operational amplifier U1B output end with it is leading
Electronic Speculum piece is connected, and rear conduction eyeglass is connected with ground terminal, resistance R1, capacitor EC1.
The technical program compared with the background art, it has the following advantages:
1. photosensitive sensor does not generate electricity when electric welding terminates work step in positioning, striking or spot welding work step and arc manipulation
Signal, signal amplification module do not work, and the voltage between leading Electronic Speculum piece and rear conductive eyeglass is zero, and electrochromic media layer is
Transparent, camera shoots non-filtered zero diopter image；Stable arc light, leading Electronic Speculum piece are generated when electric welding is in arc manipulation work step
Voltage between rear conductive eyeglass generates variation so that electrochromic media layer occur to chemically react and generate color change with
The light transmission capacity for adjusting electrochromic media layer, so that camera can shoot not homochromy number image and pass through liquid crystal display
It is shown.The electric welder's helmet shoot and by liquid crystal display screen display by camera always during the entire process of electric welding
Show, operator only need to can see electrode welding process clearly by liquid crystal display, without taking or putting down electric welder's helmet manually, can keep away
Exempt from human eye to come to harm, meanwhile, also the effect to filter, electrochromic media layer when arc light is stronger can be adjusted according to the strong and weak of arc light
Color is deeper, and filter effect is more preferable；Electrochromic media layer color is shallower when arc light is weaker, and filter effect is worse.Use process
It is more convenient.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 depicts the front schematic view of electric welder's helmet.
Fig. 2 depicts the schematic cross-sectional view of electric welder's helmet.
Fig. 3 depicts the schematic cross-sectional view of electrochromism camera shooting and display module.
Fig. 4 depicts electric welder's helmet circuit structure diagram.
Specific embodiment
Fig. 1 to Fig. 2 is please referred to, one preferred embodiment of electric welder's helmet with electrochromism camera, described has electricity
The electric welder's helmet of mutagens color camera, it includes mask body 10, photovoltaic battery panel 20, power module 30, electrochromism camera shooting
With display module 40, photosensitive sensor 50.
The corresponding human eye position of the mask body 10 has installed spaced apart first mounting groove 11 and the second mounting groove 12,
10 top of mask body is equipped with third mounting groove 13, and the photovoltaic battery panel 20 is mounted on 10 lateral surface of mask body and position
Above the first mounting groove 11 or the lower section and；The power module 30 is mounted in third mounting groove 13.As described in Figure 1, first
11 numbers of mounting groove are set as two and are located at two side of left and right of the second mounting groove 12.The photovoltaic battery panel 20 is equipped with two
It is a, and it is symmetrically arranged in about 50 two sides of photosensitive sensor.
Photovoltaic battery panel 20 is installed in mask body 10 with power module 30 and the two is connected, and photovoltaic battery panel 20 will
Solar energy is converted into electric energy to power module 30 or electrochromism camera shooting and the power supply of display module 40.When photovoltaic battery panel 20 is sent out
When electricity is greater than the power consumption of electrochromism camera shooting and display module 40, photovoltaic battery panel 20 is imaged and is shown to electrochromism simultaneously
Show that module 40 and power module 30 charge；When 20 generated energy of photovoltaic battery panel is less than the consumption of electrochromism camera shooting and display module 40
When electricity, photovoltaic battery panel 20 and power module 30 are powered to electrochromism camera shooting and display module 40 simultaneously；Work as photovoltaic cell
When 20 generated energy of plate is equal to the power consumption of electrochromism camera shooting and display module 40, photovoltaic battery panel 20 is directly taken the photograph to electrochromism
Picture and display module 40 are powered.
Photosensitive sensor 50 is mounted on 10 lateral surface of mask body.In the present embodiment, the photosensitive sensor 50 is mounted on
First mounting groove 11, the number of photosensitive sensor 50 are also set as two and correspond with the first mounting groove 11.
The electrochromism camera shooting and display module 40 include pedestal 41, circuit board 42, liquid crystal display 43, camera
44, leading Electronic Speculum piece 45, rear conductive eyeglass 46, electrochromic media layer 47, pedestal 41 install mask body 10, leading Electronic Speculum piece
45, electrochromic media layer 47, rear conductive eyeglass 46 are connected in turn and are mounted in pedestal 41, and leading Electronic Speculum piece 45
Towards 10 outside of mask body, leading Electronic Speculum piece 45 and rear conductive eyeglass 46 are electrically connected with circuit board 42, and circuit board 42 is pacified
It is electrically connected in pedestal 41 and with camera 44, liquid crystal display 43, photosensitive sensor 50, camera 44 is mounted on pedestal
In 41 and its camera lens conductive eyeglasses 46 after, liquid crystal display 43 is mounted in pedestal 41 and its screen is towards mask body 10
Inside.
In the present embodiment, the pedestal 41 is mounted on the second mounting groove 12, and the pedestal 41 is equipped with assembly cavity, before pedestal 41
End and rear end are respectively equipped with the first through hole 411 being connected with assembly cavity and the second through-hole 412, are equipped with a fixed plate in assembly cavity
413, assembly cavity is divided into front cavity 414 and rear chamber 415, leading Electronic Speculum piece 45, electrochromic media layer by fixed plate 413
47, rear conductive eyeglass 46 is located in front cavity 414 and leading Electronic Speculum piece 45 is corresponding with first through hole 411,44 rear end of camera
It is fixed in fixed plate 413, circuit board 42 and liquid crystal display 43 is fixed in rear chamber 415 and circuit board 42 is located at fixed plate
Between 413 and liquid crystal display 43.
In the present embodiment, leading Electronic Speculum piece 45, electrochromic media layer 47, rear conductive eyeglass 46, camera 44 successively glue
It is connected together to form CCD camera assembly.
In the present embodiment, which further includes the convex lens for amplifying the image of liquid crystal display 43
48, which is fixed in rear chamber 415 and is located at 43 rear of liquid crystal display.
Photosensitive sensor 50 receives arc optical signal and the signal is transferred to circuit board 42, and circuit board 42 is according to signal magnitude
The voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 is controlled so that electrochromic media layer 47 occurs to chemically react and produce
Raw color change so that camera 44 can shooting clear electric welding when image and shown by liquid crystal display 43
Show.
The circuit structure of the electric welder's helmet, as shown in figure 4, the circuit board 42 includes that signal acquisition module and signal amplify
Module, 50 output end of photosensitive sensor are connected with signal acquisition module input terminal, and signal acquisition module output end and signal amplify
Module input is connected, the leading Electronic Speculum piece and rear conduction of signal amplification module output end and electrochromism camera shooting and display module
Eyeglass is connected；
Photosensitive sensor 50 converts electric signal for arc optical signal and is transferred to signal acquisition module, and signal acquisition module will
Electric signal is transferred to signal amplification module, and signal amplification module again transmits amplified electric signal after amplifying electric signal
To leading Electronic Speculum piece and rear conductive eyeglass, so that the voltage between leading Electronic Speculum piece and rear conductive eyeglass changes so that electroluminescent
Color changing media layer occurs to chemically react and generates color change, so that the image when electric welding of camera energy shooting clear is simultaneously
It is shown by liquid crystal display.
In the present embodiment, the signal acquisition module includes tie point TP1, tie point TP2, resistance R1, resistance R2, connection
Point TP1 is connected with the one end photosensitive sensor U1, the one end resistance R2, signal amplification module input terminal, the resistance R2 other end and resistance
The one end R1 is connected, and the resistance R1 other end is connected with tie point TP2, ground terminal.
In the present embodiment, the signal amplification module includes capacitor C1, resistance R3, resistance R4, resistance R5, capacitor EC1, fortune
Amplifier U1B is calculated, the one end capacitor C1 is connected with power end, and the capacitor C1 other end is connected with resistance R3 and ground terminal, and resistance R3 is another
One end is connected with the one end resistance R5, operational amplifier U1B negative input, and the resistance R5 other end and operational amplifier U1B are exported
End be connected, operational amplifier U1B electrode input end is connected with the one end resistance R4, the one end capacitor EC1, the resistance R4 other end with connect
Point TP1 is connected, and the capacitor EC1 other end is connected with resistance R1, ground terminal, operational amplifier U1B output end and leading Electronic Speculum piece phase
Even, rear conduction eyeglass is connected with ground terminal, resistance R1, capacitor EC1.
The working method of above-mentioned electric welder's helmet circuit structure, comprising:
When electric welding is in positioning, striking or spot welding work step, photosensitive sensor 50 receives faint or unstable arc light,
Photosensitive sensor 50 does not generate electric signal, and signal amplification module does not work, between leading Electronic Speculum piece 45 and rear conductive eyeglass 46
Voltage is zero, electrochromic media layer 47 be it is transparent, camera 44 shoots non-filtered zero diopter image；It is micro- in the present embodiment
The light intensity of soft arc light is less than 2000W/ square metres, and unstable arc light is that light intensity is greater than in 1000W/ square metres of zero diopter and arc light
Change between 2000W/ square metres.
Stable arc light is generated when electric welding is in arc manipulation work step, photosensitive sensor 50 receives optical signal and turns optical signal
Electric signal is turned to, signal acquisition module collects electric signal, and electric signal is delivered to leading after signal amplification module amplifies
Electronic Speculum piece 45 and rear conductive eyeglass 46, the voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 generates variation, so that electroluminescent
Color changing media layer 47 occurs to chemically react and generates color change to adjust the light transmission capacity of electrochromic media layer 47, so that
Camera 44 can shoot not homochromy number image and be shown by liquid crystal display 43:
If arc light is stronger when arc manipulation, the electric signal that photosensitive sensor 50 generates is stronger, amplified through signal amplification module
Electric signal is also relatively strong, and the voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 is larger, 47 light transmission capacity of electrochromic media layer
Smaller, camera 44 can shoot the biggish optical filtering image of color number；If arc light is weaker when arc manipulation, the telecommunications of the generation of photosensitive sensor 50
It is number weaker, electricity leading Electronic Speculum piece 45 and rear conductive eyeglass 46 between also weaker through the amplified electric signal of signal amplification module
Pressure is smaller, and 47 light transmission capacity of electrochromic media layer is larger, and camera 44 can shoot the lesser optical filtering image of color number；The present embodiment
In, stationary arc light intensity is greater than 2000W/ square metres；
When electric welding terminates work step in arc manipulation, photosensitive sensor 50 does not generate electric signal, and signal amplification module does not work,
Voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 is zero, and electrochromic media layer 47 is transparent, the shooting of camera 44
Non-filtered zero diopter image.
Voltage and 47 color of electrochromic media layer in the present embodiment, between leading Electronic Speculum piece 45 and rear conductive eyeglass 46
Corresponding relationship are as follows: the voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 is bigger, and 47 color of electrochromic media layer is got over
Deep, such as: when the voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 is 0V, 47 color color number of electrochromic media floor is 0
Number, it is also as transparent, when the voltage between leading Electronic Speculum piece 45 and rear conductive eyeglass 46 is 5V, 47 layers of color of electrochromic media
Color number is colors No. 13, and 47 color of electrochromic media layer is most deep at this time, and light transmittance is worst.
The above, only the utility model preferred embodiment, therefore, it cannot be limited according to, and the utility model is implemented
It is practical new to should still belong to this for range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual
In the range of type covers.
Claims (8)
1. the electric welder's helmet with electrochromism camera, it is characterised in that: it includes:
Mask body, photovoltaic battery panel, power module, electrochromism camera shooting and display module, photosensitive sensor, photovoltaic battery panel
Mask body is installed in power module and the two is connected, and photovoltaic battery panel is converted solar energy into electrical energy to power supply mould
Block or electrochromism camera shooting and display module power supply, photosensitive sensor are mounted on mask body lateral surface, and the electrochromism is taken the photograph
Picture and display module include pedestal, circuit board, liquid crystal display, camera, leading Electronic Speculum piece, rear conductive eyeglass, electrochromism
Dielectric layer, pedestal install mask body, and leading Electronic Speculum piece, electrochromic media layer, rear conductive eyeglass are connected in turn simultaneously
It is mounted in pedestal, and leading Electronic Speculum piece, towards mask body outside, leading Electronic Speculum piece and rear conductive eyeglass are electric with circuit board
Property connection, circuit board is mounted in pedestal and is electrically connected with camera, liquid crystal display, photosensitive sensor, camera installation
It is present in vivo and its camera lens conductive eyeglass after, liquid crystal display is mounted in pedestal and its screen is towards in mask body
Side；
Photosensitive sensor receives arc optical signal and the signal is transferred to circuit board, and circuit board is conductive before being controlled according to signal magnitude
Voltage between eyeglass and rear conductive eyeglass is so that electrochromic media layer occurs to chemically react and generates color change, and then makes
Camera energy shooting clear electric welding when image and shown by liquid crystal display.
2. the electric welder's helmet according to claim 1 with electrochromism camera, it is characterised in that: leading Electronic Speculum piece,
Electrochromic media layer, rear conductive eyeglass, camera are successively bonded together into CCD camera assembly.
3. the electric welder's helmet according to claim 2 with electrochromism camera, it is characterised in that: the pedestal is equipped with
Assembly cavity, pedestal front-end and back-end are respectively equipped with the first through hole being connected with assembly cavity and the second through-hole, are equipped in assembly cavity
Assembly cavity is divided into front cavity and rear chamber, leading Electronic Speculum piece, electrochromic media layer, rear conduction by one fixed plate, fixed plate
Eyeglass is located in front cavity and leading Electronic Speculum piece is corresponding with first through hole, and camera rear end is fixed in fixed plate, circuit board
And liquid crystal display is fixed in rear chamber and circuit board between fixed plate and liquid crystal display.
4. the electric welder's helmet according to claim 3 with electrochromism camera, it is characterised in that: the electric welder's helmet is also
Including the convex lens for amplifying the image of liquid crystal display, which is fixed in rear chamber and is located at liquid crystal display
Shield rear.
5. the electric welder's helmet according to claim 1 with electrochromism camera, it is characterised in that: the mask body
Corresponding human eye position has installed spaced apart first mounting groove and the second mounting groove, and the mask body top is pacified equipped with third
Tankage, the photosensitive sensor are mounted on the first mounting groove, and the pedestal is mounted on the second mounting groove, the photovoltaic battery panel peace
Mounted in mask body lateral surface and be located at the first mounting groove above or the lower section and；The power module is mounted on third mounting groove
It is interior.
6. the circuit of the electric welder's helmet with electrochromism camera described in any one of application the claims 1 to 5
Structure, it is characterised in that: the circuit board includes signal acquisition module and signal amplification module, photosensitive sensor output end and letter
Number acquisition module input terminal is connected, and signal acquisition module output end is connected with signal amplification module input terminal, signal amplification module
Output end is connected with the leading Electronic Speculum piece and rear conductive eyeglass of electrochromism camera shooting and display module；
Photosensitive sensor converts electric signal for arc optical signal and is transferred to signal acquisition module, and signal acquisition module is by electric signal
It is transferred to signal amplification module, amplified electric signal is transferred to leading by signal amplification module again after amplifying electric signal
Electronic Speculum piece and rear conductive eyeglass, so that the voltage between leading Electronic Speculum piece and rear conductive eyeglass changes so that electrochromism is situated between
Matter layer, which occurs to chemically react, simultaneously generates color change, so that image when the electric welding of camera energy shooting clear and passing through liquid
Crystal display screen is shown.
7. application according to claim 6 has the circuit structure of the electric welder's helmet of electrochromism camera, feature exists
In: the signal acquisition module include tie point TP1, tie point TP2, resistance R1, resistance R2, tie point TP1 and light sensor
The one end device U1, the one end resistance R2, signal amplification module input terminal are connected, and the resistance R2 other end is connected with the one end resistance R1, resistance
The R1 other end is connected with tie point TP2, ground terminal.
8. application according to claim 7 has the circuit structure of the electric welder's helmet of electrochromism camera, feature exists
In: the signal amplification module includes capacitor C1, resistance R3, resistance R4, resistance R5, capacitor EC1, operational amplifier U1B, capacitor
The one end C1 is connected with power end, and the capacitor C1 other end is connected with resistance R3 and ground terminal, the resistance R3 other end and the one end resistance R5,
Operational amplifier U1B negative input is connected, and the resistance R5 other end is connected with operational amplifier U1B output end, operational amplifier
U1B electrode input end is connected with the one end resistance R4, the one end capacitor EC1, and the resistance R4 other end is connected with tie point TP1, capacitor EC1
The other end is connected with resistance R1, ground terminal, and operational amplifier U1B output end is connected with leading Electronic Speculum piece, rear conduction eyeglass with connect
Ground terminal, resistance R1, capacitor EC1 are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920421367.9U CN209624904U (en) | 2019-03-28 | 2019-03-28 | Electric welder's helmet and its circuit structure with electrochromism camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920421367.9U CN209624904U (en) | 2019-03-28 | 2019-03-28 | Electric welder's helmet and its circuit structure with electrochromism camera |
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| Publication Number | Publication Date |
|---|---|
| CN209624904U true CN209624904U (en) | 2019-11-12 |
Family
ID=68458152
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920421367.9U Active CN209624904U (en) | 2019-03-28 | 2019-03-28 | Electric welder's helmet and its circuit structure with electrochromism camera |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870814A (en) * | 2019-03-28 | 2019-06-11 | 华侨大学 | Electric welder's helmet and its circuit structure and working method with electrochromism camera |
| CN112908278A (en) * | 2021-03-08 | 2021-06-04 | Oppo广东移动通信有限公司 | Control device, electronic system and electronic equipment |
| CN114019680A (en) * | 2021-11-05 | 2022-02-08 | 苏州伯宇科技有限公司 | Imaging optimization system and method for AR glasses |
-
2019
- 2019-03-28 CN CN201920421367.9U patent/CN209624904U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870814A (en) * | 2019-03-28 | 2019-06-11 | 华侨大学 | Electric welder's helmet and its circuit structure and working method with electrochromism camera |
| CN112908278A (en) * | 2021-03-08 | 2021-06-04 | Oppo广东移动通信有限公司 | Control device, electronic system and electronic equipment |
| CN114019680A (en) * | 2021-11-05 | 2022-02-08 | 苏州伯宇科技有限公司 | Imaging optimization system and method for AR glasses |
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