CN102217988B - Dipping liquid crystal welding goggle - Google Patents
Dipping liquid crystal welding goggle Download PDFInfo
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- CN102217988B CN102217988B CN201010145456.9A CN201010145456A CN102217988B CN 102217988 B CN102217988 B CN 102217988B CN 201010145456 A CN201010145456 A CN 201010145456A CN 102217988 B CN102217988 B CN 102217988B
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- welding
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/065—Masks, shields or hoods for welders use of particular optical filters
- A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13318—Circuits comprising a photodetector
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/291—Two-dimensional analogue deflection
Abstract
The invention relates to an intelligent automatic dipping liquid crystal welding goggle which is based on DSP (Digital Signal Processing) control to simulate human eyes for sensitization, and comprises a control module, a light trigger module, a sensitization module, a manual setting module, an adjusting module and liquid crystal lenses. When the goggle is in use, relevant parameters of the dipping liquid crystal welding goggle are set through the manual setting module; during welding, a light intensity signal of welding arc collected by the light trigger module triggers the dipping liquid crystal welding goggle to work; and during the working process of the goggle, the sensitization module collects the intensity of the welding arc and transfers intensity information of the arc to the control module, the control module transmits a control signal to the adjusting module according to the intensity information of the arc received from the sensitization module and the parameter information set through the manual setting module, and the adjusting module adjusts the light transmittance of the liquid crystal lens according to the control signal received from the control module. The operating flexibility of welding personnel is improved simultaneously when the eyes of the welding personnel are protected.
Description
Technical field
The invention belongs to welding equipment field, relate to a kind of welding goggles, particularly a kind of intelligent automatic beam change liquid crystal welding eye-protection glasses of the simulation human eye sensitization of controlling based on DSP.
Background technology
In welding process, welding arc light light is strong, and larger to the eye injury of welding personnel, therefore in welding process, welding personnel all needs to wear welding goggles, to avoid the injury of arc light to eyes.The welding goggles that at present welding personnel uses has common welding goggles and automatic beam change welding goggles: common welding goggles because color single, cannot become light, while wearing, be not easy to welding operation; And automatic beam change welding goggles can according to arc light automatically become light, solved to a certain extent the problem of common welding goggles.
But the automatic beam change welding goggles using at present only has bright state and two kinds of change light states of dark state, and in the time of the welding starting the arc, liquid crystal lens is dimmed, and in the time that arc light disappears, liquid crystal lens brightens.Because the light transmittance arranging is single, far away when the distance welding thing of protective eye lens in the time of dark state, more do not see welding thing, welding person can only closely operate, and has so just greatly limited the motility of welding personnel operation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intelligent automatic beam change liquid crystal welding eye-protection glasses that can simulate human eye sensitization, make welding personnel in welding process, automatically become light according to the power of arc light, when effectively isolation is harmful to light, make the people can be under high light or the low light level, approach arc light and during away from arc light, all can see welding thing clearly, increase the motility of welding personnel operation.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of light liquid crystal welding eye-protection glasses that becomes, 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; Module is manually set for carrying out the setting of sensitivity parameter, delay parameter and light transmittance parameter information, and this set information is sent to control module; The light intensity of light trigger module arc light when induction welding, in the time that it senses the light intensity of arc light, trigger control module is carried out work; The strong and weak information of arc light when illuminant module welds for gathering, and send this information to control module; Control module, according to the arc light power information receiving from illuminant module and the parameter information setting by module is manually set, transmits control signal to adjustment module; Adjustment module, according to receiving control signal from control module, regulates the light transmittance of liquid crystal lens.
The invention has the beneficial effects as follows: in welding process, can realize along with the power of arc light changes, and welding personnel is apart from the distance of arc light, become light liquid crystal welding eye-protection glasses and automatically become light adjusting, make the welding personnel can be under high light or the low light level, approach arc light and during away from arc light, all can see welding thing clearly, increase the motility of welding personnel operation.
On the basis of technique scheme, the present invention can also do following enforcement.
Further, described control module is DSP(Digital Signal Processing, 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 illuminant module signal is carried out to full digital processing, real-time sends control signal to adjustment module, become the real-time light and shade regulating effect of light liquid crystal welding eye-protection glasses thereby realize, reach the object of intelligent operation.
Further, 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 by circuits for triggering to control module, inform that control module welding process starts, so that control module is opened work automatically.
Adopt the beneficial effect of above-mentioned further scheme to be, make the control module needn't be in running order all the time, only in the time of welding, trigger, thereby avoided because of control module and illuminant module and adjustment module in running order brought waste of energy all the time.
Further, illuminant module comprises environmental luminance sensor and light intensity signal amplifying circuit, light intensity signal amplifying circuit is electrically connected with environmental luminance sensor and control module respectively, and the intensity signal of environmental luminance sensor collection welding arc light also sends to control module by 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 send the signal that represents arc light light power to control module in real time, be convenient to control module and send control signal according to intensity signal at that time to adjustment module in time.
Further, module is manually set and comprises that sensitivity arranges that circuit, time delay arrange circuit, light transmittance arranges circuit, sensitivity arranges that circuit, time delay arrange circuit, light transmittance arranges 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 arranges circuit, light transmittance and circuit is set to becoming sensitivity, the time delay of light liquid crystal welding eye-protection glasses, the adjusting of light transmittance, the use that can make to become light liquid crystal welding eye-protection glasses is more flexible, facilitates physical qualification difference, use to 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, according to the control signal receiving from control module, is adjusted the light transmittance of liquid crystal lens.
Adopt the beneficial effect of above-mentioned further scheme to be, when signal processing circuit loads certain voltage according to the control signal receiving from control module to LCD panel, make the liquid crystal molecule of liquid crystal inside start to change direction, thereby constantly adjust the light transmittance of liquid crystal lens, regulate to reach the effect that becomes light liquid crystal welding eye-protection glasses light and shade.
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, ensures 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 eye-protection glasses circuit.
Brief description of the drawings
Fig. 1 is the logic diagram that the present invention becomes light liquid crystal welding eye-protection glasses;
Fig. 2 is that the present invention becomes control module embodiment dsp processor SH69P56 circuit diagram in light liquid crystal welding eye-protection glasses;
Fig. 3 is that the present invention becomes light trigger module embodiment circuits for triggering figure in light liquid crystal welding eye-protection glasses;
Fig. 4 is that the present invention becomes illuminant module embodiment light intensity signal amplification circuit diagram in light liquid crystal welding eye-protection glasses;
Fig. 5 is that the present invention becomes module embodiment circuit diagram is manually set in light liquid crystal welding eye-protection glasses;
Fig. 6 is that the present invention becomes adjustment module embodiment signal processing circuit figure in light liquid crystal welding eye-protection glasses.
In accompanying drawing, the list of parts of each label representative is as follows:
1, control module, 2, light trigger module, 3, illuminant module, 4, module is manually set, 5, adjustment module, 6, liquid crystal lens, 201, amplifying circuit, 202, sensitivity control circuit, 301, light intensity signal amplifying circuit, 501, liquid crystal lens circuit, 502, high voltage cut-off circuit, 503, multitudinous light voltage detecting circuit, 504, impulse output circuit
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, the present invention becomes light liquid crystal welding eye-protection glasses 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 collects welding arc light luminous signal, trigger control module 1 is started working; Illuminant module 3 is electrically connected with control module 1, and in welding process, illuminant module 3 gathers the luminous intensity of welding arc light, and luminous intensity information is sent to control module 1; Module 4 is manually set and is electrically connected with control module 1, carry out the setting of relevant parameter by module 4 is manually set to becoming light liquid crystal welding eye-protection glasses, and parameter information is sent to control module 1; Adjustment module 5 is electrically connected with control module 1, when light trigger module 2 trigger control module 1 are carried out after work, control module 1 is according to the strong and weak information of the welding arc light receiving from illuminant module 3 and the set parameter information of module 4 is manually set, and transmits control signal in real time to adjustment module 5; Adjustment module 5 is electrically connected with liquid crystal lens 6, and adjustment module 5, according to receiving control signal from control module 1, regulates the light transmittance of liquid crystal lens 6, thereby realizes the light and shade variation of liquid crystal lens, reaches the object of intelligent operation.
Embodiment mono-
In the present embodiment; the SH69P56 type dsp processor that control module 1 has adopted the Xin Yang Science and Technology Ltd. in Taiwan to produce; as shown in Figure 2; its Main Function is; can be real-time pass through from illuminant module 3 receiving light power signals and the parameter that module 4 sets is manually set carries out digitized processing; change into PWM ripple; by being sent to PWM ripple, adjustment module 5 regulates; so that adjustment module 5 regulates 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 operates.In Fig. 2 dsp processor SH69P56, the power supply-charging control pin that No. 9 pins are liquid crystal lens, No. 10 pins are high-voltage charging pin, No. 17 pins are that liquid crystal power supply detects pin, No. 7 pins are charging pin, No. 2 pins and No. 4 pins are pulse output pin, No. 62 pins, No. 11 pins and No. 12 pins are 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, No. 63 pins and No. 18 pins are temperature detection pin, No. 15 pins are arc light brightness pin, No. 14 pins are that signal triggers pin, in addition, VDD pin connects 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, for receiving 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, field effect transistor T14, field effect transistor T15 in sensitivity control circuit 202 and the gate terminal of field effect transistor T16 are electrically connected with No. 64 pins of dsp processor SH69P56, No. 13 pins and No. 1 pin respectively, carry 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, for receiving 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 receives environmental luminance sensor GD1 and environmental luminance sensor GD2 is exported different voltage to No. 15 pins of dsp processor SH69P56, dsp processor SH69P56 is according to the different input voltage of No. 15 pins, to the corresponding control signal of output 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 optical filter, can disturb by infrared resistant.
As shown in Figure 5, module 4 is manually set and comprises that sensitivity arranges circuit, circuit is set in time delay and light transmittance arranges circuit, sensitivity arranges 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 arranges 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 of circuit is set in time delay and No. 11 pins and No. 62 pins of dsp processor SH69P56 are electrically connected, and sets liquid crystal lens from receiving signal to the time delay that changes light transmittance; The light transmittance regulating key SW4 of circuit is set light transmittance and No. 12 pins of dsp processor SH69P56 are connected with ground, the minimum light transmittance while setting liquid crystal lens work.
In the present embodiment, sensitivity button SW3 is provided with four shelves, realizes as required the switching of polishing or cut state, and maximum sensitivity can make weak optical signal be able to triggering system; Time delay button SW5 can arrange (fast) and slow (slow) two grades soon; Light transmittance fine setting button comprises " RESET/ADJ " key and " OFFSET " key of five shelves, often clicks " RESET/ADJ " key, just increases or reduces 0.5 blackness, between five shelves, switches back and forth.When pressing " OFFSET " key, change current collection numerical value, the parameter reset by DSP to light intensity.User is according to different transmitances can being manually set to obtain the different dark state degree of liquid crystal lens by the difference of eye custom.
In the present embodiment, 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 to the signal processing circuit of adjustment module 5; 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 at liquid crystal lens J2; Multitudinous light voltage detecting circuit 503 is electrically connected with No. 17 pins of dsp processor SH69P56, for detection of 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 by No. 2 pins and No. 4 pin output reference pulse signals to liquid crystal lens circuit 501, and export control signals to impulse output circuit 504 by No. 6 pins and No. 9 pins, according to the sensitivity and the minimum light transmittance that set from module 4 is manually 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; in ensureing that liquid crystal lens 6 is adjusted light transmittance according to arc light light intensity; flint glass has also protected liquid crystal lens 6 to avoid welding spark calcination simultaneously; so that the longer service life of liquid crystal lens 6; optical filter filters ultraviolet and infrared ray, ensures that human eye avoids ultraviolet and ultrared stimulation.
The present embodiment power module to adopt lithium battery be other each pack modules that circuit provides electric power support, ensured that the present invention becomes light liquid crystal welding eye-protection glasses circuital current more stable, longer service life.
Below in conjunction with accompanying drawing, the present embodiment work process is explained in further detail.
When 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 the sensitivity control circuit 202 in Fig. 3 light trigger module 2 circuit, realize the adjusting to sensitivity.
As shown in Figure 5, light transmittance regulating key SW4 sends light transmittance conditioning signal to No. 12 pins of dsp processor SH69P56, and time delay button SW5 sends time delay configuration information to dsp processor SH69P56 by No. 62 pins and No. 11 pins.
As shown in Figure 3, infrared receiving tube GD3 and infrared receiving tube GD4 conducting in the time receiving arc optical signal, by amplifying circuit 201, Continuity signal is sent to No. 14 pins of dsp processor SH69P56, dsp processor SH69P56 starts to carry out date processing according to above three parameters of setting.
As shown in Figure 4, in the time that environmental luminance sensor GD1 and environmental luminance sensor GD2 receive the light of varying strength, through light intensity signal amplifying circuit 301, light intensity signal is sent to No. 15 pins of dsp processor SH69P56.
As shown in Figure 6, dsp processor SH69P56 by No. 2 pins and No. 4 pin output reference pulse signals to liquid crystal lens circuit 501, and export control signals to impulse output circuit 504 by No. 6 pins and No. 9 pins, according to the sensitivity and the minimum light transmittance that module 4 is manually set sets, adjust the basic voltage value that applies pulse output voltage to liquid crystal lens J2.By No. 17 pin of dsp processor SH69P56, make dsp processor SH69P56 follow the tracks of different operational voltage value for detection of the multitudinous light voltage detecting circuit 503 of the supply voltage of liquid crystal lens J2, calculate to make corresponding compensation.High voltage cut-off circuit 502 is for adjusting and act on its two ends running voltage on the basic voltage at liquid crystal lens J2, 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 signals 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 follow the tracks of different operational voltage value by No. 17 pins, making corresponding compensation calculates, further adjust the control signal to adjustment module 5 circuit outputs, thereby change the 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 adjustable liquid crystal display eyeglass automatically of arc light.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. become a light liquid crystal welding eye-protection glasses, 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; The described module that manually arranges is for carrying out the setting of sensitivity parameter, delay parameter and light transmittance parameter information, and the parameter information of these settings is sent to control module; The light intensity of described smooth trigger module arc light when induction welding, in the time that it senses the light intensity of arc light, trigger control module is carried out work; The strong and weak information of arc light when described illuminant module welds for gathering, and send this information to control module; Described control module, according to the arc light power information receiving from illuminant module and the parameter information setting by module is manually set, transmits control signal to adjustment module; Described adjustment module, according to receiving control signal from control module, regulates the light transmittance of liquid crystal lens;
Described illuminant module comprises two environmental luminance sensors in parallel and a light intensity signal amplifying circuit, described two environmental luminance sensors in parallel form an environmental luminance sensor parallel circuit, and described light intensity signal amplifying circuit is electrically connected with environmental luminance sensor parallel circuit and control module respectively, the intensity signal of described environmental luminance sensor collection welding arc light also sends to control module by light intensity signal amplifying circuit; Described environmental luminance sensor built-in infrared optical filter;
Described control module is dsp processor;
Described adjustment module comprises signal processing circuit, and described signal processing circuit is electrically connected with control module and liquid crystal lens respectively; Described signal processing circuit, according to the control signal receiving from control module, is adjusted the light transmittance of liquid crystal lens;
Signal processing circuit comprises liquid crystal lens circuit, high voltage cut-off circuit, shade number voltage detecting circuit and impulse output circuit; Wherein, liquid crystal lens circuit is electrically connected with liquid crystal lens, high voltage cut-off circuit, shade number voltage detecting circuit, impulse output circuit and dsp processor respectively; High voltage cut-off circuit is electrically connected with dsp processor, in order to adjust the running voltage that acts on its two ends on the basic voltage of liquid crystal lens; Shade number voltage detecting circuit is electrically connected with dsp processor, for detection of the supply voltage of liquid crystal lens group, makes dsp processor follow the tracks of different operational voltage value and calculates to make corresponding compensation; Impulse output circuit is also electrically connected with dsp processor.
2. change light liquid crystal welding eye-protection glasses according to claim 1, 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.
3. change light liquid crystal welding eye-protection glasses according to claim 1, it is characterized in that: the described module that manually arranges comprises that sensitivity arranges that circuit, time delay arrange circuit, light transmittance arranges circuit, described sensitivity arranges that circuit, time delay arrange circuit, light transmittance arranges circuit and is electrically connected with control module respectively.
4. according to the change light liquid crystal welding eye-protection glasses described in claims 1 to 3 any one, 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.
5. according to the change light liquid crystal welding eye-protection glasses described in claims 1 to 3 any one, it is characterized in that: also comprise power module, described power module provides electric power for becoming light liquid crystal welding eye-protection glasses circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010145456.9A CN102217988B (en) | 2010-04-13 | 2010-04-13 | Dipping liquid crystal welding goggle |
| PCT/CN2010/071765 WO2011127656A1 (en) | 2010-04-13 | 2010-04-14 | Variable optical liquid crystal welding goggles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010145456.9A CN102217988B (en) | 2010-04-13 | 2010-04-13 | Dipping liquid crystal welding goggle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102217988A CN102217988A (en) | 2011-10-19 |
| CN102217988B true CN102217988B (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010145456.9A Active CN102217988B (en) | 2010-04-13 | 2010-04-13 | Dipping liquid crystal welding goggle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102217988B (en) |
| WO (1) | WO2011127656A1 (en) |
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| US10285864B2 (en) * | 2014-07-25 | 2019-05-14 | Snap-On Incorporated | Auto-darkening welding helmet |
| CN104656273B (en) * | 2015-02-04 | 2018-03-16 | 深圳市弘祥光电科技有限公司 | Goggles |
| CN105867042B (en) * | 2016-06-27 | 2019-04-02 | 京东方科技集团股份有限公司 | A kind of intelligence reflective regulation device, its adjusting method and glareproof mirror |
| CN106344263B (en) * | 2016-08-29 | 2019-05-14 | 常州迅安科技股份有限公司 | A kind of multi-functional automatic darkening welding filter lens of high darkness |
| CN106496990A (en) * | 2016-10-07 | 2017-03-15 | 常州市鼎日环保科技有限公司 | A kind of preparation method of welding goggles material |
| CN107966834B (en) | 2016-10-20 | 2020-08-28 | 泰克曼(南京)电子有限公司 | Automatic light-changing filter capable of realizing high shading number |
| US20200114456A1 (en) * | 2018-10-10 | 2020-04-16 | Lincoln Global, Inc. | Systems and methods including a head-mounted device for use in arc welding |
| US11698298B2 (en) * | 2021-06-01 | 2023-07-11 | Changzhou Shine Science & Technology Co., Ltd. | Automatic darkening filter with adaptive parameter adjustment and working method thereof |
| CN115022520A (en) * | 2022-07-07 | 2022-09-06 | 维沃移动通信有限公司 | Camera module, electronic equipment, control method and control device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102217988A (en) | 2011-10-19 |
| WO2011127656A1 (en) | 2011-10-20 |
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