CN104546287B - A kind of automatic shading electric welding mask mirror group - Google Patents
A kind of automatic shading electric welding mask mirror group Download PDFInfo
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- CN104546287B CN104546287B CN201510078849.5A CN201510078849A CN104546287B CN 104546287 B CN104546287 B CN 104546287B CN 201510078849 A CN201510078849 A CN 201510078849A CN 104546287 B CN104546287 B CN 104546287B
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Abstract
The present invention relates to a kind of automatic shading electric welding mask mirror group, it comprises shell, lens set, internal circuit and electroluminescence body, and wherein internal circuit comprises power circuit (1), governor circuit (2), arclight testing circuit (9), LCD drive circuit (3), light emission drive circuit (6), electrical switch (5), input circuit (8).Present invention achieves both can artificial switch lighting function, again can by its internal circuit according to the working environment at scene automatic interrupter illumination functions in the artificial effective time arranged.
Description
Technical field
The invention belongs to field of electronic devices, it is related to a kind of automatic shading electric welding mask microscope group, the electroluminescence body luminous a kind of automatic shading electric welding mask microscope group for carrying out ambient light compensation in microscope group can be passed through when especially being worked in dark ambient light.
Background technology
Harm caused by arc welding arc light is a lot, particularly eyes and face can be caused serious injury, welding mask is the special sharp weapon for preventing and treating the harm of arc welding arc light, proposed around welding mask designers with automatic beam change, the welding mask of automatic shading function, face protection when being used to be welded using the electric welder's helmet equipped with automatic shading electric welding mask microscope group, outside protect eyes and face, there are liberation both hands, improve the advantage of production efficiency and quality, in order to be convenient to use the electric welder's helmet equipped with automatic shading electric welding mask microscope group when ambient light is not enough, occur in that a kind of automatic shading electric welding mask microscope group with illuminator, illuminator thereon can light, when ambient light is not enough, it can not welded easily by extra lighting source, its advantage is obvious, but this automatic shading welding mask does not turn into the standard configuration of Chinese welder's safety device also at present.
Chinese utility model prospectus CN201404357Y discloses a kind of automatic shading electric welding mask microscope group with lighting device, its lighting device is the light emitting diode of electrical connection, the electronic switching circuit and battery composition of delay a period of time closing can be tended to remain on after pressing, when insufficient light needs floor light, press the button in electronic switching circuit, electronic switching circuit opens the electrical circuit of light emitting diode, so that lumination of light emitting diode, human hand is unclamped after the button in electronic switching circuit, electronic switching circuit, which is delayed, closes the electrical circuit of light emitting diode after a period of time, lumination of light emitting diode extinguishes, delay time is determined by the discharge resistance of fixed resistance value in electronic switching circuit, while insufficient light illumination is solved, reduce energy consumption；But, this mode of light emitting diode is closed after pressing the button delay set time every time, in actual use, since it is desired that the preparation before the welding of illumination and the treatment time after welding are different every time, as fixed time delay is less than the lighting hours needed, then each light emitting diode needs frequently to push button startup illumination again after extinguishing, it is impossible to liberates both hands completely, reduces production efficiency；When fixed time delay being more than the time for needing to illuminate, the limited electric energy of electric welder's helmet can be wasted again, shorten the workable working time.
The content of the invention
The technical problem to be solved in the present invention is to provide it is a kind of both can artificial switch lighting function, again can be by automatic shading electric welding mask microscope group of its internal circuit according to working environment automatic switch illumination functions within the effective time artificially set at scene.
To reach this function, automatic shading electric welding mask microscope group of the invention is made up of shell, lens set, internal circuit and electroluminescence body.Its internal circuit includes：Power circuit（1）, governor circuit（2）, electric arc optical detection circuit（9）, LCD drive circuits（3）, light emission drive circuit（6）, electronic switch（5）, input circuit（8）；Wherein
Power circuit（1）Electrically connected with other modules in circuit, electric energy is provided for internal circuit；
Governor circuit（2）Circuit is controlled by LCD（10）, time control circuit（11）And manual control circuit（12）Composition；
Electric arc optical detection circuit（9）For detecting that the arc optical signal of electric welding generation produces simulation and data signal is supplied to governor circuit（2）；
Electric arc optical detection circuit（9）With governor circuit（2）It is electrically connected, governor circuit（2) with LCD drive circuits（3）, electronic switch（5）, input circuit（8）Electrical connection, LCD（4）With LCD drive circuits（3）Electrical connection, light emission drive circuit（6）With electronic switch（5）Electrical connection, illuminator（7）With light emission drive circuit（6）Electrical connection；
LCD drive circuits（3）：By governor circuit（2）There is provided LCD for control（4）Required drive signal；
Light emission drive circuit（6）：For electroluminescence body（7）Driving current is provided；
Electronic switch（5）：By governor circuit（2）Control, completes light emission drive circuit（6）Switch motion；
Input circuit（8）：For governor circuit（2）Input signal is provided；
Wherein governor circuit（2）When without electric arc optical signal, according to input circuit（8）State control electronic switch（5）；When detecting electric arc optical detection circuit（9）When the electric arc optical signal of generation is produced, its internal LCD control circuit（10）For LCD drive circuits（3）Control signal is provided, while by manual control circuit（12）Output be set to close electronic switch state, and resetting time control circuit（11）, it is started timing；When detecting electric arc optical detection circuit（9）During the arclight disappearance of signal of generation, its internal LCD control circuit（10）For LCD drive circuits（3）Control signal is provided, while being electronic switch（5）Open signal is provided；Such as in time control circuit（11）Second of electric arc optical signal, LCD control circuits are not produced in the set time（10）For electronic switch（5）The open signal of offer will be continued until time control circuit（11）The set time terminates, after setting time terminates, time control circuit（11）The change of output level will turn off electronic switch（5）Or disconnect LCD control circuits（10）With electronic switch（5）Between signal connect cause electronic switch（5）It is closed；Now can be again by input circuit（8）Electronic switch is set manually（5）On off state.
Wherein LCD controls circuit（10）Pass through electric arc optical detection circuit（9）Detection is welded the arclight produced, is time control circuit（11）The pulse signal for starting timing is provided, and gives manual control circuit simultaneously（12）Output set signal is provided；Governor circuit（2）Function be：When no arclight is produced, operating personnel can pass through manual control circuit（12）On switch control electroluminescence body（7）Switch, once detect electric welding produce arclight, no matter input circuit（8）It is what state, governor circuit（2）By manual control circuit（12）Output set is closed mode, and disconnects electroluminescence body（7）Electrical circuit, while time control circuit（11）Start timing, work as governor circuit（2）After the signal for detecting arclight disappearance, in time control circuit（11）Governor circuit in setting time（2）It will automatically turn on electronic switch（5）So as to light electroluminescence body（7）, time control circuit（11）After setting time is arrived, governor circuit（2）Electronic switch will be closed（5）, time control circuit（11）In each governor circuit（2）Timing will all be restarted when detecting arclight, wherein setting time passes through input circuit by operating personnel（8）In switch or knob complete, the setting time length operating personnel can be adjusted to it；
Manual control circuit（12）On switch positioned at electric welder's helmet side, electric welder's helmet general supply open after, when not detecting arclight, governor circuit（2）By manual control circuit（12）Output set is open mode, now, manual control circuit（12）In running order, operating personnel can open or close electroluminescence body by operating the switch on electric welder's helmet side（7）；It is provided with the handle of welding gun on single-key remote-controlled device, single-key remote-controlled device and is provided with radio transmitter module, in governor circuit（2）In be provided with radio reception module, single-key remote-controlled device can alternately send open and close signal, governor circuit according to the shake-up of operating personnel（2）Receive manual control circuit after signal（12）Output set is open mode, and different according to the signal received, controls manual control circuit（12）On switch control electroluminescence body（7）Open or close.
Wherein, electric arc optical detection circuit（9）Act as, will be welded produce arc optical signal by change, handle, amplify and accordingly nurse one's health after into governor circuit（2）Numeral or analog signal required for providing.
Wherein, electronic switch（5）, for realizing light emission drive circuit（6）With power circuit（1）Between electrically connect turn on and off, using metal-oxide-semiconductor.
Wherein, light emission drive circuit（6）For for electroluminescence body（7）The required electric signal that lights is provided, using special driving IC models：HZ7136.
Wherein, illuminator（7）Using light emitting diode or bulb.
Wherein, input circuit（8）Using touch-switch or rotational potentiometer.
The beneficial effects of the invention are as follows：
Using such design, operating personnel are in the preparation that need not be welded, can be with manual unlocking or the lighting device closed on mask, a kind of mode is the switch that manual triggering is located on electric welder's helmet side, and a kind of mode is to operate the single-key remote-controlled device on torch handle；Once electrical welding operation, then the closing of illumination is automatically controlled within the time artificially set by circuit；There is arclight generation, it is not necessary to when illuminating, circuit closes illumination automatically, arclight disappears when needing illumination, circuit automatically opens up illumination, and certain time, the period can need to be adjusted according to operating mode.So meet the actual conditions of electrical welding operation, that is, improve efficiency and saved electric energy again.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the internal circuit block diagram of the automatic shading electric welding mask microscope group embodiment according to the present invention.
Fig. 2 is the detailed circuit diagram of the automatic shading electric welding mask microscope group embodiment governor circuit according to the present invention.
Embodiment
Shown in internal circuit block diagram as shown in Figure 1, automatic shading electric welding mask microscope group is made up of shell, lens set, internal circuit and electroluminescence body.The composition of wherein internal circuit is：Power circuit 1, governor circuit 2, electric arc optical detection circuit 9, LCD drive circuits 3, light emission drive circuit 6, electronic switch 5, input circuit 8；Power circuit 1 is electrically connected with other modules in circuit, and electric energy is provided for internal circuit；Governor circuit 2 controls circuit 10, time control circuit 11 and manual control circuit 12 to constitute by LCD；Electric arc optical detection circuit 9 is used for detecting the arc optical signal generation simulation of electric welding generation and data signal is supplied to governor circuit 2；Electric arc optical detection circuit 9 is electrically connected with governor circuit 2, governor circuit 2 is electrically connected with LCD drive circuits 3, electronic switch 5, input circuit 8, LCD4 is electrically connected with LCD drive circuits 3, and light emission drive circuit 6 is electrically connected with electronic switch 5, and illuminator 7 is electrically connected with light emission drive circuit 6.Wherein, LCD drive circuits 3 are controlled that there is provided the drive signal required for LCD4 by governor circuit 2；Light emission drive circuit 6 is that electroluminescence body 7 provides driving current；Electronic switch 5 is controlled by governor circuit 2, completes the switch motion of light emission drive circuit 6；Input circuit 8：Input signal is provided for governor circuit 2；
Specifically：
Power circuit 1 provides the electric energy required for normal work for other circuits in circuit, has instantiation in the prior art, detailed circuit diagram is not provided herein.
Acting as electric arc optical detection circuit 9, will be welded the arc optical signal produced by being that governor circuit 2 provides required numeral or analog signal after conversion, processing, amplification and corresponding conditioning, has instantiation in the prior art, detailed circuit diagram is not provided herein.
Governor circuit 2 controls electronic switch 5 when without electric arc optical signal according to the state of input circuit 8；When the electric arc optical signal for detecting the generation of electric arc optical detection circuit 9 is produced, its internal LCD control circuit 10 is that LCD drive circuits 3 provide control signal, the output of manual control circuit 12 is set to the state for closing electronic switch, and resetting time control circuit 11 simultaneously, it is started timing；When detecting the arclight disappearance of signal of the generation of electric arc optical detection circuit 9, its internal LCD control circuit 10 is that LCD drive circuits 3 provide control signal, while providing open signal for electronic switch 5；Second of electric arc optical signal is not produced in time as set by time control circuit 11, LCD control circuits 10 are that the open signal that electronic switch 5 is provided will be continued until that the time set by time control circuit 11 terminates, after setting time terminates, the change of the output level of time control circuit 11, which connects the signal for turning off electronic switch 5 or disconnecting between LCD control circuits 10 and electronic switch 5, make it that electronic switch 5 is closed；The on off state of electronic switch 5 now can be manually set again by input circuit 8.
The effect of LCD drive circuits 3 is the drive signal according to required for the LCD control signals for controlling circuit 10 to provide produce LCD and is supplied to LCD4.
Electronic switch 5, for realizing that what is electrically connected between light emission drive circuit 6 and power circuit 1 turns on and off, can use metal-oxide-semiconductor or other switching tubes.
Light emission drive circuit 6 is used to provide the required electric signal that lights for electroluminescence body 7, can use and special driving IC HZ7136 are used in special driving IC or other constant-current source circuits, example.
Illuminator 7 is electroluminescence body, and can use in light emitting diode or other electroluminescence devices, example can use large-power light-emitting diodes.
Switch or analog quantity that input circuit 8 is used for required for being provided for governor circuit 2, switch can use rotational potentiometer using touch-switch, knob.
Internal circuit is realized：Wherein LCD controls circuit 10 to detect the arclight of electric welding generation by electric arc optical detection circuit 9, provide the pulse signal for starting timing for time control circuit 11, and gives the offer output set signal of manual control circuit 12 simultaneously；The function of governor circuit 2 is：When no arclight is produced, operating personnel can control the switch of electroluminescence body 7 by the switch on manual control circuit 12, once detect the arclight that electric welding is produced, no matter what state input circuit 8 is, manual control circuit 12 is exported set for closed mode by governor circuit 2, and disconnect the electrical circuit of electroluminescence body 7, time control circuit 11 starts timing simultaneously, after governor circuit 2 detects the signal of arclight disappearance, governor circuit 2 will automatically turn on electronic switch 5 to light electroluminescence body 7 in the setting time of time control circuit 11, after the setting time of time control circuit 11 is arrived, governor circuit 2 will close electronic switch 5, time control circuit 11 will all restart timing when each governor circuit 2 detects arclight, wherein setting time is completed by operating personnel by the switch in input circuit 8 or knob, the setting time length operating personnel can be adjusted to it.
Switch on manual control circuit 12 is positioned at the side of electric welder's helmet, after electric welder's helmet general supply is opened, when not detecting arclight, manual control circuit 12 is exported set for open mode by governor circuit 2, now, manual control circuit 12 is in running order, and operating personnel can open or close electroluminescence body 7 by operating the switch on electric welder's helmet side；Single-key remote-controlled device is provided with the handle of welding gun, radio transmitter module is provided with single-key remote-controlled device, radio reception module is provided with governor circuit 2, single-key remote-controlled device can alternately send open and close signal according to the shake-up of operating personnel, governor circuit 2 receives and manual control circuit 12 is exported into set for open mode after signal, and it is different according to the signal received, switch to control opening or closing for electroluminescence body 7 on control manual control circuit 12.
The detailed circuit diagram of manual control circuit 12 in embodiment, time control circuit 11, electronic switch 5, light emission drive circuit 6, input circuit 8 and illuminator 7 is given as shown in Figure 2.
Manual control circuit 12 is bistable circuit, clicks button S1, thirdly pin output state changes once, by S1 time no more than 1S.
TR labels in time control circuit 11 need to connect electric welder's helmet（ADF）The relevant position of circuit prime, level demand is high level when light is loseed, and it is low level to see light.Also it can be adjusted to opposite by increasing negater circuit.
Two 4001 diodes are changed to SOT-23 in electronic switching circuit 5, and effect is more preferable.The model that metal-oxide-semiconductor may be not necessarily limited in circuit, it is only necessary to conducting electric current 1A or so, Vgs5V or so.The LED of luminophor circuit 7 is great power LED, and 3-5W may be used.
Light emission drive circuit 6, LED drive circuit used uses constant current driving, is not limited to use this IC, as long as LED can be driven, and wherein R8 is that LED current sets pin.LED power supply can be provided separately, 6V or so.
Using above-mentioned technical proposal, automatic shading electric welding mask microscope group of the invention both can artificial easily switch lighting function, again can by its internal circuit according to the working environment at scene the automatic switch illumination functions within the effective time artificially set.
The above-mentioned description with reference to embodiment is illustrative rather than limited, therefore changing and modifications in the case where not departing from invention general plotting, should be belonged within protection scope of the present invention.
According to specific exemplary embodiment, invention has been described herein.To one skilled in the art appropriate replacement is being carried out without departing from the scope of the invention or modification will be apparent.Exemplary embodiment is merely illustrative, rather than limiting the scope of the present invention, and the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of automatic shading electric welding mask microscope group, including shell, lens set, internal circuit and electroluminescence body, it is characterised in that its internal circuit includes：Power circuit (1), governor circuit (2), electric arc optical detection circuit (9), LCD drive circuits (3), light emission drive circuit (6), electronic switch (5), input circuit (8)；Wherein
Power circuit (1) is electrically connected with other modules in circuit, and electric energy is provided for internal circuit；
Governor circuit (2) controls circuit (10), time control circuit (11) and manual control circuit (12) to constitute by LCD；
Electric arc optical detection circuit (9) is used for detecting the arc optical signal generation simulation of electric welding generation and data signal is supplied to governor circuit (2)；
Electric arc optical detection circuit (9) is electrically connected with governor circuit (2), governor circuit (2) is electrically connected with LCD drive circuits (3), electronic switch (5), input circuit (8), LCD (4) is electrically connected with LCD drive circuits (3), light emission drive circuit (6) is electrically connected with electronic switch (5), and electroluminescence body (7) is electrically connected with light emission drive circuit (6)；
LCD drive circuits (3)：By governor circuit (2) control, there is provided the drive signal required for LCD (4)；
Light emission drive circuit (6)：Driving current is provided for electroluminescence body (7)；
Electronic switch (5)：By governor circuit (2) control, the switch motion of light emission drive circuit (6) is completed；
Input circuit (8)：Input signal is provided for governor circuit (2)；
Wherein governor circuit (2) controls electronic switch (5) when without electric arc optical signal according to the state of input circuit (8)；When the electric arc optical signal for detecting electric arc optical detection circuit (9) generation is produced, its internal LCD control circuit (10) is that LCD drive circuits (3) provide control signal, the output of manual control circuit (12) is set to the state for closing electronic switch simultaneously, and resetting time control circuit (11), it is started timing；When detecting the arclight disappearance of signal of electric arc optical detection circuit (9) generation, its internal LCD control circuit (10) is that LCD drive circuits (3) provide control signal, while providing open signal for electronic switch (5)；Second of electric arc optical signal is not produced in time as set by time control circuit (11), LCD control circuits (10) are that the open signal that electronic switch (5) is provided will be continued until that the time set by time control circuit (11) terminates, after setting time terminates, the change of time control circuit (11) output level will turn off electronic switch (5) or disconnect the signal between LCD control circuits (10) and electronic switch (5) and is connected so that electronic switch (5) is closed；The on off state of electronic switch (5) now can be manually set again by input circuit (8).
2. automatic shading electric welding mask microscope group as claimed in claim 1, it is characterised in that：
Wherein LCD control circuits (10) are detected by electric arc optical detection circuit (9) to be welded the arclight produced, the pulse signal for starting timing is provided for time control circuit (11), and provides output set signal to manual control circuit (12) simultaneously；The function of governor circuit (2) is：When no arclight is produced, operating personnel can control the switch of electroluminescence body (7) by the switch on manual control circuit (12), once detect the arclight that electric welding is produced, no matter what state input circuit (8) is, manual control circuit (12) output set is closed mode by governor circuit (2), and disconnect the electrical circuit of electroluminescence body (7), time control circuit (11) starts timing simultaneously, after governor circuit (2) detects the signal of arclight disappearance, governor circuit (2) will automatically turn on electronic switch (5) to light electroluminescence body (7) in time control circuit (11) setting time, after time control circuit (11) setting time is arrived, governor circuit (2) will close electronic switch (5), time control circuit (11) will all restart timing when each governor circuit (2) detects arclight, wherein setting time is completed by operating personnel by the switch in input circuit (8) or knob, the setting time length operating personnel can be adjusted to it；
Switch on manual control circuit (12) is positioned at the side of electric welder's helmet, after electric welder's helmet general supply is opened, when not detecting arclight, manual control circuit (12) output set is open mode by governor circuit (2), now, manual control circuit (12) is in running order, and operating personnel can open or close electroluminescence body (7) by operating the switch on electric welder's helmet side；Single-key remote-controlled device is provided with the handle of welding gun, radio transmitter module is provided with single-key remote-controlled device, radio reception module is provided with governor circuit (2), single-key remote-controlled device can alternately send open and close signal according to the shake-up of operating personnel, it is open mode that governor circuit (2), which receives and manual control circuit (12) is exported into set after signal, and it is different according to the signal received, control the switch on manual control circuit (12) to control opening or closing for electroluminescence body (7).
3. automatic shading electric welding mask microscope group as claimed in claim 2, it is characterised in that：
Acting as electric arc optical detection circuit (9), will be welded the arc optical signal produced by being the numeral or analog signal required for governor circuit (2) is provided after conversion, processing, amplification and corresponding conditioning.
4. automatic shading electric welding mask microscope group as claimed in claim 3, it is characterised in that：
Electronic switch (5), for realizing that what is electrically connected between light emission drive circuit (6) and power circuit (1) turns on and off, using metal-oxide-semiconductor.
5. automatic shading electric welding mask microscope group as claimed in claim 4, it is characterised in that：
Light emission drive circuit (6) is used to provide the required electric signal that lights for electroluminescence body (7), using special driving IC models：HZ7136.
6. automatic shading electric welding mask microscope group as claimed in claim 5, it is characterised in that：
Illuminator (7) uses light emitting diode or bulb.
7. automatic shading electric welding mask microscope group as claimed in claim 6, it is characterised in that：
Input circuit (8) uses touch-switch or rotational potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078849.5A CN104546287B (en) | 2015-02-14 | 2015-02-14 | A kind of automatic shading electric welding mask mirror group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078849.5A CN104546287B (en) | 2015-02-14 | 2015-02-14 | A kind of automatic shading electric welding mask mirror group |
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| CN104546287A CN104546287A (en) | 2015-04-29 |
| CN104546287B true CN104546287B (en) | 2016-01-06 |
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| CN201510078849.5A Active CN104546287B (en) | 2015-02-14 | 2015-02-14 | A kind of automatic shading electric welding mask mirror group |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153308B (en) * | 2016-05-11 | 2020-06-19 | 宁波卡瑞迈特电子科技有限公司 | Welding mask detection device and detection method thereof |
| CN106038058A (en) * | 2016-07-01 | 2016-10-26 | 宁波吉欧光电科技有限公司 | Digital automatic light-changing welding eye patches |
| CN109745173A (en) * | 2018-10-23 | 2019-05-14 | 泰克曼(南京)电子有限公司 | Auto-changing Shade Welding Mask Made |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332004A (en) * | 1980-10-02 | 1982-05-25 | Slaughter Grimes G | Lighting system for use on a welder helmet |
| CN2354535Y (en) * | 1998-11-09 | 1999-12-22 | 许君华 | Safety protective device for electric arc welding |
| CN201019914Y (en) * | 2006-11-13 | 2008-02-13 | 徐萌 | Automatic light-adjusting electric-welding mask |
| CN201139682Y (en) * | 2007-11-09 | 2008-10-29 | 中原工学院 | Microcontroller controlled eye protector for welder automatically changing light |
| CN201404357Y (en) * | 2009-05-14 | 2010-02-17 | 杭州联博电子有限公司 | Automatic light-shielding electrowelding lens |
| KR101130222B1 (en) * | 2009-12-24 | 2012-03-29 | 주식회사 오토스윙 | Method for controlling catridge of inglare shielding helmet |
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Denomination of invention: Automatic shading arc welding mask microscopic group Effective date of registration: 20191217 Granted publication date: 20160106 Pledgee: Bank of China Limited by Share Ltd Ningbo science and Technology Branch Pledgor: Ningbo Ji'ou Photoelectric Technology Co., Ltd. Registration number: Y2019330000334 |