CN2220263Y - Arc welding helmet device - Google Patents
Arc welding helmet device Download PDFInfo
- Publication number
- CN2220263Y CN2220263Y CN 95200127 CN95200127U CN2220263Y CN 2220263 Y CN2220263 Y CN 2220263Y CN 95200127 CN95200127 CN 95200127 CN 95200127 U CN95200127 U CN 95200127U CN 2220263 Y CN2220263 Y CN 2220263Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- liquid crystal
- lead
- electric capacity
- conductive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Arc Welding In General (AREA)
Abstract
The utility model relates to an arc welding helmet device, which is composed of a face mask, a cover glass, a polarized light plate, a liquid crystal screen and DC power supply. The liquid crystal screen is arranged on the rear of the polarized light plate, liquid crystal panel comprises a liquid crystal layer and glasses which spread conductive layer on the front and back of the liquid crystal layer, and a conductive layer is connected with lead wires and the DC power supply. The welding speed and weld quality can be increased, the labour intensity of labour can be alleviated, and the utility model has the advantages of sensitive control and reliable operation.
Description
This utility model relates to a kind of Arc welding helmet device, the usefulness of protection eyes and face during the power supply weldering.
Existing electric welding safety visor is made up of face shield, protective glass plate and black goggles sheet.Its weak point is: when changing welding rod, when removing welding slag or finding weld seam accurately, need remove the electric welding safety visor, thereby, influence speed of welding and weldquality, increasing welder labor intensity.
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and a kind of Arc welding helmet device that need not remove safety visor is provided.
The purpose of this utility model can reach by following measure: this utility model is made up of face shield, protection glass, polarized light piece, liquid crystal display screen and dc source, there is liquid crystal display screen the polarized light piece back, what liquid crystal display screen comprised liquid crystal layer and liquid crystal layer front-back is coated with the conductive layer eyeglass, and conductive layer has lead to be connected with dc source.
The drawing of accompanying drawing is described as follows:
Fig. 1 is total figure of the present utility model, does not represent dc source among the figure;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is total figure of embodiment one;
Fig. 4 and Fig. 5 are the DC power supply circuit figure of embodiment two;
Fig. 6 is the DC power supply circuit figure of embodiment three.
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing: referring to Fig. 1-Fig. 3, protection glass 2 and polarized light piece thereafter 5 and liquid crystal display screen are arranged on the face shield 1, liquid crystal layer 8 is positioned in the middle of the liquid crystal display screen, there are conductive layer 7 and eyeglass 6 in the front, there are conductive layer 9 and eyeglass 10 in the back, and through being bonded, conductive layer 7 and 9 is a light transmission film, be applied to respectively on eyeglass 6 and 10, conductive layer 7 is connected with 4 with lead 3 respectively with 9.Fig. 3 represents the bottom circuit of dc source, and lead 11 is connected with soldering turret, and lead 12 is connected with electric welding machine, comprises transformator B
1, diode D
1, capacitor C
1And resistance R
1During electric welding, the welding rod of soldering turret clamping touches weldment, and electric current is by transformator B in the lead 11 and 12
1Produce faradic current, through diode D
1Rectification and capacitor C
1And resistance R
1After the filtering, unidirectional current inputs to conductive layer 7 and 9 by lead 3 and 4, liquid crystal changes under the conductive layer electric field action, form grating, liquid crystal display screen becomes polarized light piece, works as the injury of electro-welding arc to face and eyes with polarized light piece 5 common resistances, therefore, during electric welding or when changing welding rod, remove welding slag or finding weld seam accurately, need not remove face shield.
Fig. 4 and Fig. 5 are the circuit diagram of this utility model embodiment two (radio control).Fig. 4 represents the circuit of signal converting controller, is made up of frequency-selecting detecting circuit, amplifying circuit, on-off circuit and battery E, and the frequency-selecting detecting circuit comprises capacitor C
2, C
4With tunable capacitor C
3, transformator B
2, diode D
2, audion BG
1And resistance R
2, R
3, amplifying circuit comprises audion BG
2, capacitor C
5And resistance R
4, on-off circuit comprises capacitor C
6And resistance R
5Fig. 5 represents the circuit of signal generator, is made up of rectification circuit, oscillating circuit and width of cloth radio road, and rectification circuit comprises transformator B
3, diode D
3And capacitor C
7, oscillating circuit comprises audion BG
3, capacitor C
8, C
9, inductance L
1And resistance R
6, width of cloth radio road comprises capacitor C
10And inductance L
2During electric welding, the welding rod of soldering turret clamping touches weldment, and electric current is by transformator B in the lead 11 and 12
3Produce faradic current, through D
3And C
7After rectification and the filtering, the input oscillating circuit, the oscillator signal of generation is penetrated by the outside width of cloth of raddiating circuit.After the frequency-selecting detecting circuit of signal converting controller obtains this oscillator signal, through amplifying circuit and on-off circuit, unidirectional current is inputed to conductive layer 7 and 9 by lead 3 and 4, ditto described, reach the purpose that stops electro-welding arc.
Fig. 6 represents the circuit of embodiment three (manual control), and E provides dc source by battery, and the press button A that is series in the battery circuit is controlled by the welder.During electric welding, only need press the button A, unidirectional current inputs to conductive layer 7 and 9 by lead 3 and 4.
The utility model contrast prior art has following advantage: in the electric welding process, must not remove Face shield, thereby, welding speed and weldquality can be improved; Alleviate labor strength; Control Record quick; Reliable.
Claims (4)
1, a kind of Arc welding helmet device comprises face shield and protection glass, it is characterized in that, form by polarized light piece, liquid crystal display screen and dc source, there is liquid crystal display screen the polarized light piece back, and what liquid crystal display screen comprised liquid crystal layer and liquid crystal layer front-back is coated with the conductive layer eyeglass, and conductive layer has lead to be connected with dc source.
2, Arc welding helmet device according to claim 1 is characterized in that, dc source comprises transformation, rectification and the filter circuit that transformator, diode, electric capacity and resistance are formed, and lead (11) is connected with soldering turret, and lead (12) is connected with electric welding machine.
3, Arc welding helmet device according to claim 1, it is characterized in that, dc source comprises signal converting controller and signal generator, signal converting controller is by the frequency-selecting detecting circuit, amplifying circuit, on-off circuit and battery are formed, the frequency-selecting detecting circuit comprises electric capacity, transformator, diode, audion and resistance, the frequency-selecting detecting circuit connects amplifying circuit and on-off circuit, amplifying circuit comprises audion, electric capacity and resistance, amplifying circuit connects on-off circuit, on-off circuit comprises electric capacity and resistance, the lead of on-off circuit (3) is connected with (9) with conductive layer (7) respectively with (4), signal generator is by rectification circuit, oscillating circuit and width of cloth radio road are formed, rectification circuit comprises transformator, diode and electric capacity, the lead of transformator (11) is connected with soldering turret, and lead (12) is connected with electric welding machine, rectification circuit connects oscillating circuit and width of cloth radio road, oscillating circuit comprises audion, electric capacity, inductance and resistance, oscillating circuit connect width of cloth radio road, and width of cloth radio road comprises electric capacity and inductance.
4, Arc welding helmet device according to claim 1, its spy is that dc source comprises battery and press button, lead (3) is connected with (9) with conductive layer (7) respectively with (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95200127 CN2220263Y (en) | 1995-01-04 | 1995-01-04 | Arc welding helmet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95200127 CN2220263Y (en) | 1995-01-04 | 1995-01-04 | Arc welding helmet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2220263Y true CN2220263Y (en) | 1996-02-21 |
Family
ID=33853969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95200127 Expired - Fee Related CN2220263Y (en) | 1995-01-04 | 1995-01-04 | Arc welding helmet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2220263Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397129A (en) * | 2010-09-11 | 2012-04-04 | 史祖法 | Eye-protecting observation mirror capable of adjusting luminous flux |
-
1995
- 1995-01-04 CN CN 95200127 patent/CN2220263Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397129A (en) * | 2010-09-11 | 2012-04-04 | 史祖法 | Eye-protecting observation mirror capable of adjusting luminous flux |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |