CN203300351U - Varistor device in shape of rectangular strip - Google Patents
Varistor device in shape of rectangular strip Download PDFInfo
- Publication number
- CN203300351U CN203300351U CN2013203516840U CN201320351684U CN203300351U CN 203300351 U CN203300351 U CN 203300351U CN 2013203516840 U CN2013203516840 U CN 2013203516840U CN 201320351684 U CN201320351684 U CN 201320351684U CN 203300351 U CN203300351 U CN 203300351U
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- electrode
- voltage dependent
- dependent resistor
- extraction electrode
- rectangular strip
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- 238000000605 extraction Methods 0.000 claims abstract description 76
- 230000001419 dependent effect Effects 0.000 claims description 47
- 239000000956 alloy Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model discloses a varistor device in the shape of a rectangular strip. The varistor device comprises a varistor chip, and is characterized in that the varistor chip is in the shape of a rectangular strip and is provided with a first surface and a second surface opposite to the first surface, at least one first electrode is arranged on the first surface, at least one second electrode is arranged on the second surface, at least one first extraction electrode is arranged on the varistor chip, the extraction electrodes are connected with the first electrodes, at least one second extraction electrode is arranged on the varistor chip, and the second extraction electrodes are connected with the second electrodes. The varistor device has the advantages that a plurality of varistors are in the shapes of rectangular strips, so that space is effectively utilized, the area occupied by the varistor device is reduced, and the requirement that the varistor device is minimized while the electric performance of the varistor device is unchanged can be met; the varistor device is provided with the multiple first electrodes, the multiple second electrodes, the multiple first extraction electrodes and the multiple second extraction electrodes, and the multiple varistors are formed, so that different equivalent circuits can be formed; the varistor device is advanced in function and flexible in application.
Description
Technical field
The utility model relates to the rectangular strip varistor device
.
Background technology
It is circular that existing varistor device is generally planar rectangular, in use, takes up space larger, and modern electronic technology but wants cube little, and function is strong, general, easily the varistor device that cost performance is high is installed.
The utility model content
Technical problem to be solved in the utility model be for the technical problem existed in above-mentioned prior art provide that a kind of volume is little, function is strong, easily install, rectangular strip varistor device that cost performance is high
.
The technical scheme that the utility model adopts is: the rectangular strip varistor device, it comprises voltage dependent resistor chip, it is characterized in that described voltage dependent resistor chip is rectangular strip, described voltage dependent resistor chip has first surface and the second surface relative with first surface, be provided with at least one first electrode on first surface, be provided with at least one second electrode on second surface, being provided with at least one first extraction electrode on voltage dependent resistor chip is connected with the first electrode, being provided with at least one second extraction electrode on voltage dependent resistor chip is connected with the second electrode.
By technique scheme, described voltage dependent resistor chip is rectangular strip, described voltage dependent resistor chip has first surface and the second surface relative with first surface, be provided with first electrode on first surface, be provided with at least two the second electrodes on second surface, each second electrode is spaced along the voltage dependent resistor chip length direction, is provided with the second extraction electrode and is connected with the second electrode on voltage dependent resistor chip.
By technique scheme, voltage dependent resistor chip thickness is not less than 1mm and is not more than 20mm; Width is not less than 2mm and is not more than 80mm; Length is not less than 3mm and is not more than 200mm.
By technique scheme, described the first extraction electrode is connected with the second electrode with the first electrode by conduction element is corresponding respectively with the second extraction electrode.
By technique scheme, described varistor device comprises two superimposed voltage dependent resistor chips, first surface at two voltage dependent resistor chips is provided with first electrode, two the first electrodes fit, and draw by first extraction electrode of pegging graft, each second electrode is drawn by the second extraction electrode respectively.
By technique scheme, the second number of electrodes that the second surface of two voltage dependent resistor chips arranges is corresponding one by one, and each second extraction electrode arranged on each second surface is connected by conduction element with each second extraction electrode arranged on another second surface.
By technique scheme, every two the second extraction electrodes form one group of rectangular-shaped second extraction electrode after connecting by conduction element.
By technique scheme, described the second extraction electrode is connected with the second electrode by low-temperature alloy, forms the rectangular strip varistor device with self-protection function.
By technique scheme, in the side of the voltage dependent resistor chip of two stacks, corresponding every group of rectangular-shaped second extraction electrode is symmetrically arranged with two U-shaped insulating cases, two U-shaped insulating cases are installed between two voltage dependent resistor chips and every group of rectangular-shaped second extraction electrode, joint at two U-shaped insulating cases arranges respectively low-temperature alloy, make the one side of low-temperature alloy be close to the second electrode corresponding to this place, another side is close to the inwall of rectangular-shaped the second extraction electrode.
By technique scheme, described the first extraction electrode is strip or U-shaped shape or cap shape, and the second extraction electrode is strip or U-shaped shape or cap shape or annular.
By technique scheme, be not coated with the electrode place on the surface of voltage dependent resistor chip and can cover insulating barrier to improve each interelectrode insulating properties.
The obtained beneficial effect of the utility model is:
1, the utility model is arranged to rectangular strip by piezo-resistance, has effectively utilized space, and has dwindled area occupied, has met electrical property constant, the requirement of product miniaturization;
2, the utility model, by a plurality of first, second electrodes and the first extraction electrode and the second extraction electrode are set, forms a plurality of piezo-resistances to form different equivalent electric circuits, make the utility model with better function, should use more flexible;
3, the utility model is connected in series with the rectangular strip piezo-resistance by low-temperature alloy is set, and before the rectangular strip pressure responsive resistor failure, cuts off the electricity supply, out of service, protection equipment;
4, the utility model can adopt general insurance deck to be installed, easy to use, quick.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model embodiment 1.
The equivalent circuit diagram that Fig. 2 is Fig. 1.
The structural representation that Fig. 3 is embodiment 2.
The structural representation that Fig. 4 is Fig. 3.
The structural representation that Fig. 5 is embodiment 3.
The equivalent circuit diagram that Fig. 6 is Fig. 5.
The structural representation that Fig. 7 is embodiment 4.
The equivalent circuit diagram that Fig. 8 is Fig. 7.
The structural representation that Fig. 9 is embodiment 5.
Figure 10 is Fig. 9 equivalent circuit diagram.
The structural representation that Figure 11 is embodiment 6.
Figure 12 is Figure 11 equivalent circuit diagram.
The structural representation that Figure 13 is embodiment 7.
Figure 14 is Figure 13 equivalent circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1:
The structural representation that Fig. 1 is the 1st embodiment of the present utility model, as shown in Figure 1, this device comprises rectangular strip voltage dependent resistor chip 1 and the first extraction electrode 4 and the second extraction electrode 5, rectangular strip voltage dependent resistor chip 1 is not for being coated with the magnet of electrode, its thickness determines to use voltage, voltage dependent resistor chip 1 has first surface and the second surface relative with first surface, apply first electrode 2 at first surface, apply the second electrode 3 at second surface, one end of first surface is not coated with electrode, the other end of second surface is not coated with electrode yet, also can cover insulating barrier not being coated with the electrode place.Two end faces of voltage dependent resistor chip 1 are coated with conduction element 6-1, 6-2, the first electrode 2 is connected with conduction element 6-1, the second electrode 3 is connected with conduction element 6-2, the first extraction electrode 4 and the second extraction electrode 5 are U-shaped, the first extraction electrode 4 and the second extraction electrode 5 are installed on respectively the two ends of voltage dependent resistor chip 1, one side inwall of the first extraction electrode 4 with the first electrode 2, be connected, the opposite side inwall is connected with an end of second surface by insulating trip 7-1, one side inwall of the second extraction electrode 5 is connected with the second electrode 3, the opposite side inwall is connected with first surface by insulating trip 7-2.The first extraction electrode 4 and the second extraction electrode 5 connected modes are welding or crimping, form the termination with the clamping of general insurance deck.Wherein, voltage dependent resistor chip thickness is 1mm; Width is 2mm, and length is 3mm.The equivalent circuit diagram that Fig. 2 is Fig. 1.
Embodiment 2:
The structural representation that Fig. 3 is the 2nd embodiment of the present utility model, basic identical with the structure of embodiment 1, difference is: cancelled conduction element 6-1, 6-2, and the second surface at the rectangle voltage dependent resistor chip applies two the second electrode 3-1 in interval along its length, 3-2, leave spacing between two the second electrodes, can select to be coated with insulating layer coating at this spacing place for improving interelectrode insulating properties, two second electrode difference correspondences and two U-shaped the second extraction electrode 5-1, 5-2 connects, two U-shaped the second extraction electrode 5-1, 5-2 all clamps from a side of voltage dependent resistor chip, one end of the first extraction electrode 4 and the first electrode 2 welding.In the present embodiment, voltage dependent resistor chip thickness is 20mm; Width is 80mm; Length is 200mm.Its equivalent electric circuit as shown in Figure 4.In some application scenario, the first extraction electrode 4 can be cancelled need not.
Embodiment 3:
The structural representation that Fig. 5 is the 3rd embodiment of the present utility model, device in the 3rd embodiment is comprised of two rectangular strip voltage dependent resistor chips stacks, first surface at two voltage dependent resistor chips is provided with first electrode 2, two the first electrodes 2 fit, and draw by first extraction electrode 4 of pegging graft, second surface at two voltage dependent resistor chips is coated with respectively two the second electrode 3-1,3-2, four the second electrodes are drawn by the second extraction electrode 5-1,5-2,5-3,5-4 respectively, form a bit interconnected connected mode.The second extraction electrode is L-type, by the form responding welded, with each second electrode, is connected.Wherein, two voltage dependent resistor chip thickness are 5mm; Width is 40mm; Length is 100mm, and Fig. 6 is its equivalent electric circuit.Certainly, according to client's user demand, the first extraction electrode 4 can omit.
Embodiment 4:
The structural representation that Fig. 7 is the 4th embodiment of the present utility model, embodiment 4 is basic identical with the structure of embodiment 3, difference is that the second extraction electrode 5-1,5-2 are connected to form one group of second rectangular-shaped extraction electrode 12-1 by conduction element 6-3, the second extraction electrode 5-3,5-4 also are connected to form another by conduction element 6-4 and organize the second rectangular-shaped extraction electrode 12-2, form varistor device in parallel, to have increased discharge capacity.Wherein, every group of second rectangular-shaped extraction electrode can also can be for split type for integral type.Fig. 8 is its equivalent electric circuit.
Embodiment 5:
The structural representation that Fig. 9 is the 5th embodiment of the present utility model, this example is basic identical with the structure of embodiment 2, difference is: the second extraction electrode 5-1 that voltage dependent resistor chip 1 two ends arrange, 5-2 uses annular instead, cancel insulating trip 7-1, , 7-2, be provided with notched annular insulating case 10-1 in each second extraction electrode, 10-2, low-temperature alloy piece 8-1 all is set in breach, 8-2, the one side of low-temperature alloy piece is close to the second electrode, another side is close to the second extraction electrode, under abnormal conditions, the fusing of low-temperature alloy piece, disconnected being connected of the second electrode and second extraction electrode, piezo-resistance is automatically out of service, circuit is protected, Figure 10 is its equivalent electric circuit.
Embodiment 6:
The structural representation that Figure 11 is the 6th embodiment of the present utility model, this example is basic identical with the structure of embodiment 3, difference is to arrange at the two ends of voltage dependent resistor chip the second extraction electrode 5-1,5-2,5-3,5-4 and all is connected with the second electrode by low-temperature alloy piece 8, each second extraction electrode is connected with the second electrode by insulating trip 7, be provided with low-temperature alloy piece 8 in the both sides of insulating trip 7, low-temperature alloy piece 8 is for connecting the second electrode and the second extraction electrode; Under abnormal conditions, low-temperature alloy piece 7 fusing, disconnected being connected of the second electrode and the second extraction electrode, and piezo-resistance is automatically out of service.Figure 12 is its equivalent circuit diagram.
Embodiment 7:
The structural representation that Figure 13 is the present embodiment 7, substantially the same manner as Example 4, difference is: between every group of rectangle the second extraction electrode and the second electrode, be added with pair of U-shaped insulating case 11, be symmetrical arranged low-temperature alloy piece 8 in the middle of every pair of U-shaped insulating case 11, low-temperature alloy piece 8 one sides are close to the second electrode, and another side is close to rectangular-shaped the second extraction electrode; Under abnormal conditions, low-temperature alloy piece 7 fusing, disconnected being connected of the second electrode and the second extraction electrode, and piezo-resistance is automatically out of service.Figure 14 is its equivalent circuit diagram.
Claims (10)
1. rectangular strip varistor device, it comprises voltage dependent resistor chip, it is characterized in that described voltage dependent resistor chip is rectangular strip, described voltage dependent resistor chip has first surface and the second surface relative with first surface, be provided with at least one first electrode on first surface, be provided with at least one second electrode on second surface, be provided with at least one first extraction electrode and be connected with the first electrode on voltage dependent resistor chip, be provided with at least one second extraction electrode and be connected with the second electrode on voltage dependent resistor chip.
2. rectangular strip varistor device, it comprises voltage dependent resistor chip, it is characterized in that described voltage dependent resistor chip is rectangular strip, described voltage dependent resistor chip has first surface and the second surface relative with first surface, be provided with first electrode on first surface, be provided with at least two the second electrodes on second surface, each second electrode is spaced along the voltage dependent resistor chip length direction, is provided with the second extraction electrode and is connected with the second electrode on voltage dependent resistor chip.
3. rectangular strip varistor device according to claim 1 and 2, is characterized in that voltage dependent resistor chip thickness is not less than 1mm and is not more than 20mm; Width is not less than 2mm and is not more than 80mm; Length is not less than 3mm and is not more than 200mm.
4. rectangular strip varistor device according to claim 1, is characterized in that described the first extraction electrode is connected with the second electrode with the first electrode by conduction element is corresponding respectively with the second extraction electrode.
5. rectangular strip varistor device according to claim 1, it is characterized in that described varistor device comprises two superimposed voltage dependent resistor chips, first surface at two voltage dependent resistor chips is provided with first electrode, two the first electrodes fit, and draw by first extraction electrode of pegging graft, each second electrode is drawn by the second extraction electrode respectively.
6. rectangular strip varistor device according to claim 5, it is characterized in that the second number of electrodes that the second surface of two voltage dependent resistor chips arranges is corresponding one by one, each second extraction electrode arranged on each second surface is connected by conduction element with each second extraction electrode arranged on another second surface.
7. according to the rectangular strip varistor device under claim 6, it is characterized in that forming one group of rectangular-shaped second extraction electrode after every two the second extraction electrodes connect by conduction element.
8. according to claim 1 or 2 or 5 or 6 described rectangular strip varistor devices, it is characterized in that described the second extraction electrode is connected with the second electrode by low-temperature alloy, form the rectangular strip varistor device with self-protection function.
9. rectangular strip varistor device according to claim 7, it is characterized in that being symmetrically arranged with two U-shaped insulating cases at corresponding every group of rectangular-shaped second extraction electrode in the side of the voltage dependent resistor chip of two stacks, two U-shaped insulating cases are installed between two voltage dependent resistor chips and every group of rectangular-shaped second extraction electrode, joint at two U-shaped insulating cases arranges respectively low-temperature alloy, make the one side of low-temperature alloy be close to the second electrode corresponding to this place, another side is close to the inwall of rectangular-shaped the second extraction electrode.
10. rectangular strip varistor device according to claim 1, is characterized in that described the first extraction electrode is strip or U-shaped shape or cap shape, and the second extraction electrode is strip or U-shaped shape or cap shape or annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203516840U CN203300351U (en) | 2013-06-19 | 2013-06-19 | Varistor device in shape of rectangular strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203516840U CN203300351U (en) | 2013-06-19 | 2013-06-19 | Varistor device in shape of rectangular strip |
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| Publication Number | Publication Date |
|---|---|
| CN203300351U true CN203300351U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203516840U Expired - Lifetime CN203300351U (en) | 2013-06-19 | 2013-06-19 | Varistor device in shape of rectangular strip |
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| Country | Link |
|---|---|
| CN (1) | CN203300351U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952571A (en) * | 2014-03-31 | 2015-09-30 | M&I材料有限公司 | Varistor |
| CN105634326A (en) * | 2016-03-18 | 2016-06-01 | 河南师范大学 | Piezoelectric bimorph type inertial piezoelectric motor |
| CN107122759A (en) * | 2017-05-11 | 2017-09-01 | 京东方科技集团股份有限公司 | A kind of fingerprint recognition device, method and display device |
| CN109411166A (en) * | 2018-10-18 | 2019-03-01 | 南京萨特科技发展有限公司 | A kind of alloy fled rheostat and its manufacturing method |
-
2013
- 2013-06-19 CN CN2013203516840U patent/CN203300351U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952571A (en) * | 2014-03-31 | 2015-09-30 | M&I材料有限公司 | Varistor |
| EP2927914A1 (en) * | 2014-03-31 | 2015-10-07 | M&I Materials Limited | Varistor |
| CN104952571B (en) * | 2014-03-31 | 2017-12-19 | M&I材料有限公司 | Rheostat |
| GB2542879B (en) * | 2014-03-31 | 2018-11-21 | M&I Mat Limited | Varistor |
| CN105634326A (en) * | 2016-03-18 | 2016-06-01 | 河南师范大学 | Piezoelectric bimorph type inertial piezoelectric motor |
| CN107122759A (en) * | 2017-05-11 | 2017-09-01 | 京东方科技集团股份有限公司 | A kind of fingerprint recognition device, method and display device |
| CN107122759B (en) * | 2017-05-11 | 2020-01-21 | 京东方科技集团股份有限公司 | Fingerprint identification device and method and display device |
| US10872223B2 (en) | 2017-05-11 | 2020-12-22 | Boe Technology Group Co., Ltd. | Fingerprint recognizer, fingerprint recognition method, light emitter device, optical sensor, and display device |
| CN109411166A (en) * | 2018-10-18 | 2019-03-01 | 南京萨特科技发展有限公司 | A kind of alloy fled rheostat and its manufacturing method |
| WO2020078116A1 (en) * | 2018-10-18 | 2020-04-23 | 南京萨特科技发展有限公司 | Alloy resistor and manufacturing method therefor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |