CN201642543U - Light-variable liquid crystal welding eye-protection glasses - Google Patents
Light-variable liquid crystal welding eye-protection glasses Download PDFInfo
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- CN201642543U CN201642543U CN2010201572749U CN201020157274U CN201642543U CN 201642543 U CN201642543 U CN 201642543U CN 2010201572749 U CN2010201572749 U CN 2010201572749U CN 201020157274 U CN201020157274 U CN 201020157274U CN 201642543 U CN201642543 U CN 201642543U
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 89
- 238000003466 welding Methods 0.000 title claims abstract description 89
- 239000011521 glass Substances 0.000 title abstract 6
- 238000002834 transmittance Methods 0.000 claims description 31
- 230000035945 sensitivity Effects 0.000 claims description 27
- 230000008859 change Effects 0.000 claims description 19
- 230000007613 environmental effect Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000005308 flint glass Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 208000020564 Eye injury Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 229910052744 lithium Inorganic materials 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a pair of intelligent automatic light-variable liquid crystal welding eye-protection glasses for simulating human eye light sensing based on the DSP control. The eye-protection glasses comprise a control module, a light triggering module, a light sensing module, a manual set module, a regulation module and liquid crystal lenses. When the eye-protection glasses are used, relevant parameters of the light-variable liquid crystal welding eye-protection glasses are set through the manual set module. During the welding, light intensity signals of welding arc light collected by the light triggering module trigger the light-variable liquid crystal welding eye-protection glasses to work. In the work process, the light sensing module collects the welding arc light intensity and transmits the arc light intensity information to the control module, the control module sends control signals to the regulation module according to the arc light intensity information received from the light sensing module and the parameter information set through the manual set module, and the regulation module regulates the light transmission rate of the liquid crystal lenses according to the control signals received from the control module. The eyes of welding personnel are protected, and at the same time, the operation flexibility of the welding personnel can be enhanced.
Description
Technical field
This utility model belongs to welding equipment field, relates to a kind of welding goggles, particularly a kind of light sensitive intelligent automatic beam change liquid crystal welding goggles of simulation human eye based on DSP control.
Background technology
In the welding process, welding arc light light is strong, and is bigger to the eye injury of welding personnel, so welding personnel all need be worn welding goggles in the welding process, to avoid the injury of arc light to eyes.At present the employed welding goggles of welding personnel has common welding goggles and automatic beam change welding goggles: common welding goggles because color single, can't become light, be not easy to welding operation when wearing; And the automatic beam change welding goggles can according to arc light become light automatically, solved the problem of common welding goggles to a certain extent.
But the automatic beam change welding goggles that uses only has bright attitude and two kinds of changes of dark attitude light state at present, liquid crystal lens deepening when the welding starting the arc, and liquid crystal lens brightens when arc light disappears.Because it is the light transmittance that is provided with is single, far away more when dark attitude when the distance welding thing of protective eye lens, do not see the welding thing more, welding person can only closely operate, and has so just limited the motility that welding personnel is operated greatly.
The utility model content
Technical problem to be solved in the utility model provides a kind ofly can simulate the light sensitive intelligent automatic beam change liquid crystal welding goggles of human eye, make welding personnel in welding process, power according to arc light becomes light automatically, effectively isolate when being harmful to light, make the people can be under the high light or the low light level, during near arc light with away from arc light, all can see the welding thing clearly, increase the motility of welding personnel operation.
The technical scheme that this utility model solves the problems of the technologies described above is as follows: a kind of change light liquid crystal welding goggles comprises control module, light trigger module, illuminant module, manually module, adjustment module, liquid crystal lens is set; Wherein, control module respectively with light trigger module, illuminant module, manually module is set, adjustment module is electrically connected, liquid crystal lens is electrically connected with adjustment module; The setting that module is used to carry out sensitivity parameter, delay parameter and light transmittance parameter information manually is set, and this set information is sent to control module; The light trigger module is used for the light intensity of arc light when induction welding, and trigger control module is carried out work when it senses the light intensity of arc light; Illuminant module is used to gather the strong and weak information of arc light when welding, and sends this information to control module; Control module transmits control signal to adjustment module according to the strong and weak information of the arc light that receives from illuminant module and by the parameter information that module sets manually is set; Adjustment module is regulated the light transmittance of liquid crystal lens according to receiving control signal from control module.
The beneficial effects of the utility model are: in welding process, can realize changing along with the power of arc light, and welding personnel is apart from the distance of arc light, become light liquid crystal welding goggles and become the light adjusting automatically, make the welding personnel can be under the high light or the low light level, during near arc light with away from arc light, all can see the welding thing clearly, increase the motility of welding personnel operation.
On the basis of technique scheme, this utility model can also be done following enforcement.
Further, described control module is DSP (Digital Signal Processing, a Digital Signal Processing) processor.
Adopt the beneficial effect of above-mentioned further scheme to be, adopt manually set condition parameter of dsp processor, and real-time the illuminant module signal is carried out full digital processing, real-time sends control signal to adjustment module, thereby realize becoming the real-time light and shade regulating effect of light liquid crystal welding goggles, reach the purpose of intelligence operation.
Further, the light trigger module comprises infrared receiving tube and circuits for triggering, circuits for triggering are electrically connected with infrared receiving tube and control module respectively, infrared receiving tube receives the arc optical signal of welding, and send triggering signal to control module by circuits for triggering, inform that the control module welding process begins, so that control module is opened work automatically.
Adopt the beneficial effect of above-mentioned further scheme to be, make that control module needn't be in running order all the time, only when welding, trigger, thereby avoided because of control module and illuminant module and the in running order all the time waste of energy that brings of adjustment module.
Further, illuminant module comprises environmental luminance sensor and light intensity signal amplifying circuit, the light intensity signal amplifying circuit is electrically connected with environmental luminance sensor and control module respectively, and the environmental luminance sensor collection is welded the intensity signal of arc light and sent to control module by the light intensity signal amplifying circuit.
Adopt the beneficial effect of above-mentioned further scheme to be, can carry out real-time collection to welding arc light intensity signal, and the signal that will represent arc light light power in real time sends control module to, is convenient to control module and in time sends control signal according at that time intensity signal to adjustment module.
Further, module manually is set comprises that sensitivity is provided with circuit, time-delay is provided with circuit, light transmittance is provided with circuit, sensitivity is provided with circuit, time-delay is provided with circuit, light transmittance is provided with circuit and is electrically connected with control module respectively.
Adopt the beneficial effect of above-mentioned further scheme to be, by sensitivity circuit, time-delay being set is provided with circuit, light transmittance the adjusting of circuit to the sensitivity that becomes light liquid crystal welding goggles, time-delay, light transmittance is set, can make the use that becomes light liquid crystal welding goggles more flexible, make things convenient for the physical qualification difference, the use of the different welding personnel of light sensing.
Further, adjustment module comprises signal processing circuit, and signal processing circuit is electrically connected with control module and liquid crystal lens respectively; Signal processing circuit is adjusted the light transmittance of liquid crystal lens according to the control signal that receives from control module.
Adopt the beneficial effect of above-mentioned further scheme to be, when signal processing circuit loads certain voltage according to the control signal that receives from control module to LCD panel, make the liquid crystal molecule of liquid crystal inside begin to change direction, thereby constantly adjust the light transmittance of liquid crystal lens, regulate the effect that becomes light liquid crystal welding goggles light and shade to reach.
Further, also comprise flint glass and optical filter, described liquid crystal lens is 2, and described flint glass, liquid crystal lens, optical filter overlap successively.
Adopt the beneficial effect of above-mentioned further scheme to be, flint glass protection liquid crystal lens, so that the liquid crystal lens life-span is longer, optical filter can filter ultraviolet and infrared ray, guarantees that human eye avoids ultraviolet and ultrared stimulation.
Further, also comprise power module, described power module provides electric power for becoming light liquid crystal welding goggles circuit.
Description of drawings
Fig. 1 becomes the logic diagram of light liquid crystal welding goggles for this utility model;
Fig. 2 becomes control module embodiment dsp processor SH69P56 circuit diagram in the light liquid crystal welding goggles for this utility model;
Fig. 3 becomes light trigger module embodiment circuits for triggering figure in the light liquid crystal welding goggles for this utility model;
Fig. 4 becomes illuminant module embodiment light intensity signal amplification circuit diagram in the light liquid crystal welding goggles for this utility model;
Fig. 5 manually is provided with module embodiment circuit diagram for this utility model becomes in the light liquid crystal welding goggles;
Fig. 6 becomes adjustment module embodiment signal processing circuit figure in the light liquid crystal welding goggles for this utility model.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, control module, 2, the light trigger module, 3, illuminant module, 4, module manually is set, 5, adjustment module, 6, liquid crystal lens, 201, amplifying circuit, 202, sensitivity control circuit, 301, light intensity signal amplifying circuit, 501, the liquid crystal lens circuit, 502, the high voltage cut-off circuit, 503, multitudinous light voltage detecting circuit, 504, impulse output circuit
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain this utility model, is not to be used to limit scope of the present utility model.
As shown in Figure 1, this utility model becomes light liquid crystal welding goggles and comprises control module 1, light trigger module 2, illuminant module 3, manually module 4, adjustment module 5, liquid crystal lens 6 is set; Wherein, light trigger module 2 is electrically connected with control module 1, and when light trigger module 2 collected welding arc light luminous signal, trigger control module 1 was started working; Illuminant module 3 is electrically connected with control module 1, and in welding process, illuminant module 3 is gathered the luminous intensity of welding arc light, and luminous intensity information is sent to control module 1; Module 4 manually is set is electrically connected, carry out the setting of relevant parameter by 4 pairs of changes of module light liquid crystal welding goggles manually is set, and parameter information is sent to control module 1 with control module 1; Adjustment module 5 is electrically connected with control module 1, after light trigger module 2 trigger control module 1 are carried out work, control module 1 is according to the strong and weak information of the welding arc light that receives from illuminant module 3 and the set parameter information of module 4 manually is set, and transmits control signal to adjustment module 5 in real time; Adjustment module 5 is electrically connected with liquid crystal lens 6, and adjustment module 5 is regulated the light transmittance of liquid crystal lens 6 according to receiving control signal from control module 1, thereby the light and shade that realizes liquid crystal lens changes, and reaches the purpose of intelligence operation.
Embodiment one
In the present embodiment; the SH69P56 type dsp processor that control module 1 has adopted the glad poplar Science and Technology Ltd. in Taiwan to produce; as shown in Figure 2; it mainly acts on and being; can be real-time pass through from illuminant module 3 receiving light power signals and the parameter that module 4 sets manually is set carries out digitized processing; change into the PWM ripple; by being sent the PWM ripple, adjustment module 5 regulates; so that adjustment module 5 is regulated the light transmittance of liquid crystal lens 6 timely according to the power of welding arc light; with the vision of protection welding personnel, and strengthen the motility that welding personnel is operated.Among Fig. 2 dsp processor SH69P56, the power supply-charging control pin that No. 9 pins are liquid crystal lens, No. 10 pins are the high-voltage charging pin, No. 17 pins are that the liquid crystal power supply detects pin, No. 7 pin is the charging pin, No. 2 pins and No. 4 pins are the pulse output pin, No. 62 pins, No. 11 pins and No. 12 pins are the keyboard scan pin, No. 5 pins and No. 6 pins are charging control pin, No. 16 pins are that battery electric quantity detects pin, No. 13 pins, No. 64 pins and No. 1 pin are sensitivity control pin, and No. 63 pins and No. 18 pins are the temperature detection pin, and No. 15 pins are arc light brightness pin, No. 14 pins are the signal triggering pin, in addition, the VDD pin connects the 5V running voltage, GND pin and TEST pin ground connection.
In the present embodiment, light trigger module 2 comprises infrared receiving tube and circuits for triggering, as shown in Figure 3, circuits for triggering comprise amplifying circuit 201 and sensitivity control circuit 202, infrared receiving tube GD3 and infrared receiving tube GD4 parallel connection, be used to receive the light intensity signal of welding arc light, the parallel circuit of infrared receiving tube GD3 and infrared receiving tube GD4 is connected with amplifying circuit 201 through capacitor C 6, and amplifying circuit 201 is connected with No. 14 pins of dsp processor SH69P56.Simultaneously, the parallel circuit of infrared receiving tube GD3 and infrared receiving tube GD4 is connected with sensitivity control circuit 202, the gate terminal of field effect transistor T14 in the sensitivity control circuit 202, field effect transistor T15 and field effect transistor T16 is electrically connected with No. 64 pins of dsp processor SH69P56, No. 13 pins and No. 1 pin respectively, carries out the adjusting of luminous sensitivity with the light intensity signal of welding arc light that infrared receiving tube GD3 and infrared receiving tube GD4 are received.
As shown in Figure 4, illuminant module 3 comprises environmental luminance sensor GD1, environmental luminance sensor GD2 and light intensity signal amplifying circuit 301, environmental luminance sensor GD1 and environmental luminance sensor GD2 parallel connection, be used to receive the light of the varying strength that welds arc light, the parallel circuit of environmental luminance sensor GD1 and environmental luminance sensor GD2 is electrically connected with light intensity signal amplifying circuit 301, and light intensity signal amplifying circuit 301 is connected with No. 15 pins of dsp processor SH69P56.The light information of the varying strength of the welding arc light that light intensity signal amplifying circuit 301 is received environmental luminance sensor GD1 and environmental luminance sensor GD2 is to No. 15 different voltages of pins output of dsp processor SH69P56, dsp processor SH69P56 is according to the different input voltage of No. 15 pins, to the output control signal corresponding of adjustment module 5.
In the present embodiment, adopt the sensitization of environmental luminance sensor simulation human eye, peak value wavelength photoreceptor 520nm, built-in infrared fileter, but infrared resistant disturbs.
As shown in Figure 5, module 4 manually is set comprises that sensitivity is provided with circuit, time-delay is provided with circuit and light transmittance is provided with circuit, sensitivity is provided with circuit, time-delay and circuit and light transmittance are set circuit is set all adopts button that circuit form is set; The sensitivity adjusting button SW3 that sensitivity is provided with circuit is connected with ground with No. 11 pins of dsp processor SH69P56 respectively, sets the sensitivity of liquid crystal lens to arc light; The time-delay button SW5 that time-delay is provided with circuit is electrically connected with No. 11 pins and No. 62 pins of dsp processor SH69P56, the time delay of setting liquid crystal lens from received signal to the change light transmittance; The light transmittance adjusting button SW4 that light transmittance is provided with circuit is connected the minimum light transmittance when setting liquid crystal lens work with ground with No. 12 pins of dsp processor SH69P56.
In the present embodiment, sensitivity button SW3 is provided with four shelves, realizes the switching of polishing or cut state as required, and maximum sensitivity can make a more weak optical signal be able to triggering system; Time-delay button SW5 can be provided with (fast) and slow (slow) two grades soon; Light transmittance fine setting button comprises " RESET/ADJ " key and " OFFSET " key of five shelves, whenever clicks " RESET/ADJ " key, just increases or reduces 0.5 blackness, switches back and forth between five shelves.When pressing " OFFSET " key, change current collection numerical value, with the parameter reset of DSP to light intensity.User can manually be provided with different transmitances to obtain the different dark attitude degree of liquid crystal lens according to the difference with the eye custom.
In the present embodiment, the signal processing circuit of adjustment module 5 as shown in Figure 6, the signal processing circuit of adjustment module 5 comprises liquid crystal lens circuit 501, high voltage cut-off circuit 502, multitudinous light voltage detecting circuit 503 and impulse output circuit 504; Wherein, liquid crystal lens circuit 501 is electrically connected with No. 2 pins and No. 4 pins of liquid crystal lens J2, high voltage cut-off circuit 502, multitudinous light voltage detecting circuit 503, impulse output circuit 504 and dsp processor SH69P56 respectively; High voltage cut-off circuit 502 is electrically connected with No. 5 pins and No. 14 pins of dsp processor SH69P56 respectively, in order to adjust the running voltage that acts on its two ends on the basic voltage of liquid crystal lens J2; Multitudinous light voltage detecting circuit 503 is electrically connected with No. 17 pins of dsp processor SH69P56, is used to detect the supply voltage of liquid crystal lens group, makes dsp processor SH69P56 follow the tracks of different operational voltage value and calculates to make corresponding compensation; Impulse output circuit 504 is electrically connected with No. 6 pins and No. 9 pins of dsp processor SH69P56 respectively.Dsp processor SH69P56 gives liquid crystal eyeglass circuit 501 by No. 2 pins and No. 4 pin output reference pulse signals, and export control signals by No. 6 pins and No. 9 pins and give impulse output circuit 504, according to from sensitivity and the minimum light transmittance that module 4 sets manually is set, adjust the basic voltage value that applies pulse output voltage to liquid crystal lens J2.
In the present embodiment, also comprised flint glass and optical filter, liquid crystal lens 6 is 2, and flint glass, liquid crystal lens 6 and optical filter overlap successively.Like this; when guaranteeing that liquid crystal lens 6 is adjusted light transmittance according to the arc light light intensity; flint glass has also protected liquid crystal lens 6 to avoid the welding spark calcination simultaneously; so that the longer service life of liquid crystal lens 6; optical filter filters ultraviolet and infrared ray, guarantees that human eye avoids ultraviolet and ultrared stimulation.
Present embodiment power module adopt lithium battery for the circuit of other each pack modules provides the electric power support, it is more stable to have guaranteed that this utility model becomes light liquid crystal welding goggles circuital current, longer service life.
Below in conjunction with accompanying drawing the present embodiment work process is explained in further detail.
During use, as shown in Figure 5, sensitivity adjusting button SW3 sends sensitivity-adjusted signal to No. 11 pins of dsp processor SH69P56, by No. 1 pin of dsp processor SH69P56, No. 13 pins and No. 64 pins signal is exported to sensitivity control circuit 202 in Fig. 3 light trigger module 2 circuit, realize adjusting sensitivity.
As shown in Figure 5, light transmittance is regulated button SW4 and is sent the light transmittance conditioning signal No. 12 pins of dsp processor SH69P56 to, and the time-delay button SW5 configuration information of will delaying time sends dsp processor SH69P56 to by No. 62 pins and No. 11 pins.
As shown in Figure 3, infrared receiving tube GD3 and infrared receiving tube GD4 conducting when receiving arc optical signal, send Continuity signal No. 14 pins of dsp processor SH69P56 to by amplifying circuit 201, dsp processor SH69P56 begins to carry out date processing according to above three parameters of setting.
As shown in Figure 4, when environmental luminance sensor GD1 and environmental luminance sensor GD2 receive the light of varying strength, light intensity signal is sent to No. 15 pins of dsp processor SH69P56 through light intensity signal amplifying circuit 301.
As shown in Figure 6, dsp processor SH69P56 gives liquid crystal eyeglass circuit 501 by No. 2 pins and No. 4 pin output reference pulse signals, and export control signals by No. 6 pins and No. 9 pins and give impulse output circuit 504, according to sensitivity and the minimum light transmittance that module 4 sets manually is set, adjust the basic voltage value that applies pulse output voltage to liquid crystal lens J2.Be used to detect No. 17 pin of multitudinous light voltage detecting circuit 503 by dsp processor SH69P56 of the supply voltage of liquid crystal lens J2, make dsp processor SH69P56 follow the tracks of different operational voltage value, calculate to make corresponding compensation.High voltage cut-off circuit 502 is used on the basic voltage of liquid crystal lens J2 adjusting and acts on its two ends running voltage, dsp processor SH69P56 outputs control signals to high voltage cut-off circuit 502 by No. 5 pins and No. 14 pins, and by liquid crystal lens circuit 501, export needed voltage, to drive liquid crystal lens J2, realize the adjusting of liquid crystal lens J2 light transmittance.
Generally speaking, dsp processor SH69P56 exports control signal by No. 2 pins, No. 4 pins, No. 6 pins, No. 9 pins, No. 5 pins and No. 14 pins to adjustment module 5 circuit, and by No. 17 different operational voltage value of pins tracking, making corresponding compensation calculates, further adjust control signal to the output of adjustment module 5 circuit, thereby change pulse output voltage size to liquid crystal lens J2, make its sensitivity that reaches setting and minimum light transmittance, and can be with the strong and weak light transmittance of regulating liquid crystal lens automatically of arc light.
The above only is preferred embodiment of the present utility model, and is in order to restriction this utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. one kind becomes light liquid crystal welding goggles, it is characterized in that: comprise control module, light trigger module, illuminant module, manually module, adjustment module, liquid crystal lens be set; Described control module respectively with light trigger module, illuminant module, manually module is set, adjustment module is electrically connected, described liquid crystal lens is electrically connected with adjustment module; Described the setting that module is used to carry out sensitivity parameter, delay parameter and light transmittance parameter information is set manually, and the parameter information of these settings is sent to control module; Described smooth trigger module is used for the light intensity of arc light when induction welding, and trigger control module is carried out work when it senses the light intensity of arc light; Described illuminant module is used to gather the strong and weak information of arc light when welding, and sends this information to control module; Described control module transmits control signal to adjustment module according to the strong and weak information of the arc light that receives from illuminant module and by the parameter information that module sets manually is set; Described adjustment module is regulated the light transmittance of liquid crystal lens according to receiving control signal from control module.
2. change light liquid crystal welding goggles according to claim 1, it is characterized in that: described control module is a dsp processor.
3. change light liquid crystal welding goggles according to claim 1, it is characterized in that: described smooth trigger module comprises infrared receiving tube and circuits for triggering, described circuits for triggering are electrically connected with infrared receiving tube and control module respectively; Described infrared receiving tube receives the arc optical signal of welding, and sends triggering signal by circuits for triggering to control module, and trigger control module is carried out work.
4. change light liquid crystal welding goggles according to claim 1, it is characterized in that: described illuminant module comprises environmental luminance sensor and light intensity signal amplifying circuit, and described light intensity signal amplifying circuit is electrically connected with environmental luminance sensor and control module respectively; Described environmental luminance sensor collection is welded the intensity signal of arc light and is sent to control module by the light intensity signal amplifying circuit.
5. change light liquid crystal welding goggles according to claim 1, it is characterized in that: the described module that manually is provided with comprises that sensitivity is provided with circuit, time-delay is provided with circuit, light transmittance is provided with circuit, and described sensitivity is provided with circuit, time-delay is provided with circuit, light transmittance is provided with circuit and is electrically connected with control module respectively.
6. change light liquid crystal welding goggles according to claim 1, it is characterized in that: described adjustment module comprises signal processing circuit, described signal processing circuit is electrically connected with control module and liquid crystal lens respectively; Described signal processing circuit is adjusted the light transmittance of liquid crystal lens according to the control signal that receives from control module.
7. according to each described change light liquid crystal welding goggles of claim 1 to 6, it is characterized in that: also comprise flint glass and optical filter, described liquid crystal lens is 2, and described flint glass, liquid crystal lens, optical filter overlap successively.
8. according to right 1 to 6 each described change light liquid crystal welding goggles, it is characterized in that: also comprise power module, described power module provides electric power for becoming light liquid crystal welding goggles circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572749U CN201642543U (en) | 2010-04-13 | 2010-04-13 | Light-variable liquid crystal welding eye-protection glasses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572749U CN201642543U (en) | 2010-04-13 | 2010-04-13 | Light-variable liquid crystal welding eye-protection glasses |
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| CN201642543U true CN201642543U (en) | 2010-11-24 |
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| CN2010201572749U Expired - Fee Related CN201642543U (en) | 2010-04-13 | 2010-04-13 | Light-variable liquid crystal welding eye-protection glasses |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217988A (en) * | 2010-04-13 | 2011-10-19 | 杨乐 | Dipping liquid crystal welding goggle |
| CN102579189A (en) * | 2011-01-12 | 2012-07-18 | 玛斯克光电科技股份有限公司 | Electric welding filter device and control method thereof |
| CN109633926A (en) * | 2019-01-15 | 2019-04-16 | 武汉工程大学 | A kind of adaptive shading safety goggles structure of environmental light intensity and control method |
| CN109674579A (en) * | 2019-01-15 | 2019-04-26 | 武汉工程大学 | A kind of active shading safety goggles structure and control method |
| CN113580893A (en) * | 2020-03-17 | 2021-11-02 | 北京百度网讯科技有限公司 | Electrochromic glass adjusting method and device and electronic equipment |
-
2010
- 2010-04-13 CN CN2010201572749U patent/CN201642543U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217988A (en) * | 2010-04-13 | 2011-10-19 | 杨乐 | Dipping liquid crystal welding goggle |
| WO2011127656A1 (en) * | 2010-04-13 | 2011-10-20 | Yang Le | Variable optical liquid crystal welding goggles |
| CN102217988B (en) * | 2010-04-13 | 2014-11-12 | 杨乐 | Dipping liquid crystal welding goggle |
| CN102579189A (en) * | 2011-01-12 | 2012-07-18 | 玛斯克光电科技股份有限公司 | Electric welding filter device and control method thereof |
| CN109633926A (en) * | 2019-01-15 | 2019-04-16 | 武汉工程大学 | A kind of adaptive shading safety goggles structure of environmental light intensity and control method |
| CN109674579A (en) * | 2019-01-15 | 2019-04-26 | 武汉工程大学 | A kind of active shading safety goggles structure and control method |
| CN109633926B (en) * | 2019-01-15 | 2020-10-23 | 武汉工程大学 | Ambient light intensity self-adaptive shading eye protection glasses structure and control method |
| CN113580893A (en) * | 2020-03-17 | 2021-11-02 | 北京百度网讯科技有限公司 | Electrochromic glass adjusting method and device and electronic equipment |
| CN113580893B (en) * | 2020-03-17 | 2022-12-09 | 北京百度网讯科技有限公司 | Electrochromic glass adjusting method and device and electronic equipment |
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