CN2575817Y - Arc contactor module - Google Patents
Arc contactor module Download PDFInfo
- Publication number
- CN2575817Y CN2575817Y CN 02247409 CN02247409U CN2575817Y CN 2575817 Y CN2575817 Y CN 2575817Y CN 02247409 CN02247409 CN 02247409 CN 02247409 U CN02247409 U CN 02247409U CN 2575817 Y CN2575817 Y CN 2575817Y
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- Prior art keywords
- metal end
- electrically conducting
- end layer
- conducting hole
- wholecircle
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- Expired - Lifetime
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Abstract
The utility model discloses an arc contactor module, which has uniform and stable electric connection strength. The arc contactor module of the utility model comprises a positive temperature coefficient material layer, an upper electrode foil, a lower electrode foil, a first metal end layer, a second metal end layer, and at least one insulating layer. The upper electrode foil is arranged on the top surface of the positive temperature coefficient material layer, and the lower electrode foil is arranged on the bottom surface of the positive temperature coefficient material layer. The first metal end layer is electrically connected to the upper electrode foil through at least a non full circular electric vent hole and at least a full circular electric vent hole, and the second metal end layer is electrically connected to the lower electrode foil through at least a non full circular electric vent hole and at least a full circular electric vent hole. The insulating layer is used for isolating the upper electrode foil and the second metal end layer, and isolating the lower electrode foil and the first metal end layer.
Description
Technical field
The utility model is about a kind of overcurrent protective device, particularly has an all even stable overcurrent protective device that is electrically connected intensity about a kind of.
Background technology
For preventing the circuit generation overcurrent or the overcurrent protective device of mistake high temperataure phenomena; along with the extensive use of present portable electronic product (for example mobile phone, mobile computer, hand camera and personal digital aid (PDA) etc.), its importance is also more and more remarkable.
Positive temperature coefficient (PTC) overcurrent protective device is a common overcurrent protective device; since its have need not change promptly reusable, to advantages such as responsive to temperature and reliability are stable, so be widely used in high density circuit board and portable as previously mentioned precise electronic product at present.
The PTC overcurrent protective device utilizes one to have the conducing composite material (ptc material) of positive temperature coefficient as current sensing element.Because the resistance value of this ptc material is sharp to the variations in temperature reaction, when normal behaviour in service, its resistance can be kept utmost point low value, makes circuit be able to normal operation.When but overcurrent taking place when the improper use of battery or crossing the phenomenon of high temperature, its resistance value can improve more than tens thousand of times to a high resistance state moment, and current reversal that will be excessive offsets, to reach the purpose of protective circuit element and battery.
Figure one is an existing P TC sheet material 10, its internal structure can be 6 at title for the U.S. Patent number of " Surface mountable over-current protecting device " with reference to designer of the present utility model, the content that is disclosed in 377,467 the patent.See it by the side, this PTC sheet material 10 has ptc layer 11, covers the top electrode paper tinsel 13 and the bottom electrode paper tinsel 14 of this ptc layer 11, is electrically connected to the first metal end layer 15 of top electrode paper tinsel 13, the second metal end layer 16 that is electrically connected to bottom electrode paper tinsel 14, the anti-welding green lacquer 18 between the first metal end layer 15 and the second metal end layer 16, and the insulating barrier 17 that is used to isolate the top electrode paper tinsel 13 and the second metal end layer 16 and isolates bottom electrode paper tinsel 14 and the first metal end layer 15.Via overlooking sight, this PTC sheet material 10 has a plurality of electrically conductings hole 12, and all plate electric conducting material within each electrically conducting hole 12.Making the finished product stage, must use cutter to cut, forming semicircle electrically conducting hole 21, and individual other overcurrent protective device 20 is encapsulated, as shown in Figure 2 along the center in this electrically conducting hole 12.
But because the trend toward miniaturization of electronic component, typical PTC overcurrent protective device also gradually by 1812 (long * wide) and 1210 (long * wide) specification, carries out the transition to 1206 and 0805 specification gradually, even arrives 0603 and 0402 specification.Below 0603 specification; often the thickness of cutter promptly and the diameter in electrically conducting hole 12 be more or less the same; if error when cutting, occurs; tend to cause this PTC overcurrent protective device 20 to have too little electrically conducting aperture surface area, this result will reduce the tin absorbing property of this PTC overcurrent protective device 20 when doing the surface adhesion with circuit board.In addition, under the high voltage processing procedure, the material tension of this ptc layer 11 and ductility is all greater than metal material, thereby causes the reliability of this PTC overcurrent protective device 20 on being electrically connected.
Because existing overcurrent protective device 20 has above-mentioned various shortcoming, therefore be necessary to propose an effective solution at this problem.
The utility model explanation
Main purpose of the present utility model provides a kind of overcurrent protective device, can strengthen the intensity that is electrically connected of this device.
For reaching above-mentioned purpose and avoiding the shortcoming of prior art; the utility model discloses a kind of overcurrent protective device, and it comprises a PTC material layer, a top electrode paper tinsel, once electrode foil, the first metal end layer, the second metal end layer and at least one insulating barrier.This top electrode paper tinsel is located at the upper surface of this PTC material layer, and this bottom electrode paper tinsel is located at the lower surface of this PTC material layer.This first metal end layer is electrically connected to this top electrode paper tinsel by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole, and this second metal end layer is electrically connected to this bottom electrode paper tinsel by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole.This at least one insulating barrier is used to isolate this top electrode paper tinsel and this second metal end layer and isolates this bottom electrode paper tinsel and this first metal end layer.
The utility model also discloses a kind of overcurrent protective device, and it is made up of in the mode of stacked vertical and electric parallel connection at least two overcurrent protection modules.The first metal end layer is electrically connected to the top electrode paper tinsel of these at least two overcurrent protection modules by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole, and the second metal end layer is electrically connected to the bottom electrode paper tinsel of these at least two overcurrent protection modules by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole.At least one insulating barrier is used to isolate the bottom electrode paper tinsel of top electrode paper tinsel, this first metal end layer and undermost overcurrent protection module of overcurrent protection module of this second metal end layer and the superiors and adjacent overcurrent protection module.
Description of drawings
The utility model will illustrate according to back accompanying drawing formula, wherein:
Fig. 1 is an existing P TC sheet material;
Fig. 2 is an existing P TC overcurrent protective device;
Fig. 3 is first embodiment of overcurrent protective device of the present utility model;
Fig. 4 is a connection diagram in the electrically conducting hole of the utility model first embodiment;
Fig. 5 is another connection diagram in the electrically conducting hole of the utility model first embodiment;
Fig. 6 is second embodiment of overcurrent protective device of the present utility model;
Fig. 7 is the 3rd embodiment of overcurrent protective device of the present utility model;
Fig. 8 is the 4th embodiment of overcurrent protective device of the present utility model;
Fig. 9 is the 5th embodiment of overcurrent protective device of the present utility model; And
Figure 10 is the connection diagram in the electrically conducting hole of the 5th embodiment of the present utility model.
The component symbol explanation:
10 existing PTC sheet material 11PTC material layers
12 electrically conducting holes, 13 top electrode paper tinsels
14 bottom electrode paper tinsels, 15 the first metal end layers
16 second metal end layers, 17 insulating barrier
18 anti-welding green lacquers
20 existing PTC overcurrent protective device 21 semicircle electrically conducting holes
30 overcurrent protective devices of the present utility model, 31 wholecircle electrically conducting holes
51 top electrode paper tinsels, 52 bottom electrode paper tinsels
53 etching rings
60 overcurrent protective devices of the present utility model
61 wholecircle electrically conducting holes
62 plain conductors
70 overcurrent protective devices of the present utility model, 71 wholecircle electrically conducting holes
80 overcurrent protective devices of the present utility model, 81 quadrant electrically conducting holes
90 overcurrent protective device 91 upper strata overcurrent protection modules of the present utility model
92 lower floor's overcurrent protection module 93 insulating barriers
Embodiment
Fig. 3 is first embodiment of overcurrent protective device of the present utility model.Be that with the maximum difference of prior art overcurrent protective device 30 of the present utility model buries at least one wholecircle electrically conducting hole 31 underground at the vertical plane of this first metal end layer 15 and the second metal end layer 16.Even therefore this semicircle electrically conducting hole 21 to be electrically connected characteristic not good, so can increase intensity and the reliability that is electrically connected by this wholecircle electrically conducting hole 31.
With reference to figure 4, it shows a connection diagram in the electrically conducting hole of the utility model first embodiment.This first metal end layer 15 can be electrically connected to top electrode paper tinsel 13 by this semicircle electrically conducting hole 21 and this wholecircle electrically conducting hole 31, and this second metal end layer 16 can be electrically connected to bottom electrode paper tinsel 14 by this semicircle electrically conducting hole 21 and this wholecircle electrically conducting hole 31.Because the length of this top electrode paper tinsel 13 and bottom electrode paper tinsel 14 does not extend to the metal end layer of the other end, so reach the characteristic that will keep electric insulation between this second metal end layer 16 and this top electrode paper tinsel 13 between this first metal end layer 15 and this bottom electrode paper tinsel 14.
With reference to figure 5, it shows another connection diagram in the electrically conducting hole of first embodiment of the present utility model.The length of different with the electrically conducting hole connection diagram of Fig. 4 is this top electrode paper tinsel 51 and bottom electrode paper tinsel 52 extends to the metal end layer of the other end.Therefore can make an etching region 53 with respect to the semicircle electrically conducting hole 21 in these second metal end layer, 16 zones and the peripheral regions in wholecircle electrically conducting hole 31 in this top electrode paper tinsel 51, and isolated semicircle electrically conducting hole 21 and the wholecircle electrically conducting hole 31 of being located at this second metal end layer 16 is electrically connected to this top electrode paper tinsel 51.In like manner, can make an etching region 53 with respect to the semicircle electrically conducting hole 21 in these the first metal end layer 15 zones and the peripheral regions in wholecircle electrically conducting hole 31 in this bottom electrode paper tinsel 52, and isolated semicircle electrically conducting hole 21 and the wholecircle electrically conducting hole 31 of being located at this first metal end layer 15 is electrically connected to this bottom electrode paper tinsel 52.
Fig. 6 is second embodiment of overcurrent protective device of the present utility model.Different with the structure of Fig. 3 is that this wholecircle electrically conducting hole 61 is not to be positioned at this first metal end layer 15 and this second metal end layer 16, but is positioned at the zone of this anti-welding green lacquer 18.Because the area of this first metal end layer 15 and this second metal end layer 16 is less, is not enough to produce large-area wholecircle electrically conducting hole 61.Therefore the overcurrent protective device 60 of second embodiment is that wholecircle electrically conducting hole 61 is located in the zone of this anti-welding green lacquer 18, and obtains larger area wholecircle electrically conducting hole 61.Afterwards, be electrically connected this wholecircle electrically conducting hole 61 respectively to this first metal end layer 15 and this second metal end layer 16 with a plain conductor 62 (for example copper conductor) again.
Fig. 7 is the 3rd embodiment of overcurrent protective device of the present utility model.Different with the structure of Fig. 3 is that this overcurrent protective device 70 has two semicircle electrically conducting holes 21 and a wholecircle electrically conducting hole 71.In other words, spirit of the present utility model is to be apt to be electrically connected intensity and reliability with this semicircle electrically conducting hole 21 and wholecircle electrically conducting hole 71 with enhancement.As for the position and the quantity in this semicircle electrically conducting hole 21 and wholecircle electrically conducting hole 71, then can allotment voluntarily according to designer's arrangement.
Fig. 8 is the 4th embodiment of overcurrent protective device of the present utility model.The characteristic of this overcurrent protective device 80 is to have quadrant electrically conducting hole 81, and is positioned on four corners of this overcurrent protective device 80.The position in the electrically conducting hole of PTC sheet material can be passed through suitably to arrange in this quadrant electrically conducting hole 81, and utilizes cutter directly to cut and obtain to mode laterally to reach.
Fig. 9 is the 5th embodiment of overcurrent protective device of the present utility model.The characteristic of this overcurrent protective device 90 is to comprise at least two overcurrent protection modules that are connected in parallel to each other 91,92 between this first metal end layer 15 and this second metal end layer 16, therefore can reduce the power that device resistance value and device are consumed.Have an insulating barrier 93 between this upper strata overcurrent protection module 91 and this lower floor's overcurrent protection module 92, it can use materials such as polypropylene (PP) or glass fibre, insulation effect to be provided and to keep certain rigidity.
Figure 10 is the connection diagram in the electrically conducting hole of the utility model the 5th embodiment.This first metal end layer 15 can be electrically connected to the top electrode paper tinsel of electrode foil and this lower floor's overcurrent protection module 92 on this upper strata overcurrent protection module 91 by this semicircle electrically conducting hole 21 and this wholecircle electrically conducting hole 31, and this second metal end layer 16 can be electrically connected to the bottom electrode paper tinsel of this upper strata overcurrent protection module 91 and the bottom electrode paper tinsel of this lower floor's overcurrent protection module 92 by this semicircle electrically conducting hole 21 and this wholecircle electrically conducting hole 31.Can between this first metal end layer 15 and this second metal end layer 16, comprise upper strata overcurrent protection module 91 and this lower floor's overcurrent protection module 92 that is connected in parallel to each other via the above-mentioned mode that is electrically connected, therefore can reduce the power that device resistance value and device are consumed.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present utility model and announcement and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to those disclosed embodiments, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by following claim.
Claims (11)
1. an overcurrent protective device is characterized in that, comprises:
One PTC material layer;
One top electrode paper tinsel is located at the upper surface of this PTC material layer;
Electrode foil once is located at the lower surface of this PTC material layer;
The first metal end layer is electrically connected to this top electrode paper tinsel by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole;
The second metal end layer is electrically connected to this bottom electrode paper tinsel by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole; And
At least one insulating barrier is used to isolate this top electrode paper tinsel and this second metal end layer and isolates this bottom electrode paper tinsel and this first metal end layer.
2. overcurrent protective device as claimed in claim 1, it also comprises the anti-welding green lacquer of being located between this first metal end layer and the second metal end layer.
3. overcurrent protective device as claimed in claim 1, wherein the surface of this first metal end layer and the second metal end layer is located in this wholecircle electrically conducting hole.
4. overcurrent protective device as claimed in claim 2, wherein the surface of this anti-welding green lacquer is located in this wholecircle electrically conducting hole, is connected to this first metal end layer and this second metal end layer with a plain conductor again.
5. overcurrent protective device as claimed in claim 1, wherein this non-wholecircle electrically conducting hole is semicircle or quadrant electrically conducting hole.
6. an overcurrent protective device is characterized in that, comprises:
At least two overcurrent protection modules, its mode with stacked vertical and electric parallel connection is formed, and comprises:
(a) a PTC material layer;
(b) top electrode paper tinsel is located at the upper surface of this PTC material layer; And
(c) bottom electrode paper tinsel is located at the lower surface of this PTC material layer;
The first metal end layer is electrically connected to the top electrode paper tinsel of these at least two overcurrent protection modules by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole;
The second metal end layer is electrically connected to the bottom electrode paper tinsel of these at least two overcurrent protection modules by at least one non-wholecircle electrically conducting hole and at least one wholecircle electrically conducting hole; And
At least one insulating barrier is used to isolate the bottom electrode paper tinsel of top electrode paper tinsel, this first metal end layer and undermost overcurrent protection module of overcurrent protection module of this second metal end layer and the superiors and adjacent overcurrent protection module.
7. overcurrent protective device as claimed in claim 6, it also comprises the anti-welding green lacquer of being located between this first metal end layer and this second metal end layer.
8. overcurrent protective device as claimed in claim 6, wherein the surface of this first metal end layer and this second metal end layer is located in this wholecircle electrically conducting hole.
9. overcurrent protective device as claimed in claim 7, wherein this wholecircle electrically conducting hole system is located at the surface of this anti-welding green lacquer, is connected to this first metal end layer and this second metal end layer with a plain conductor again.
10. overcurrent protective device as claimed in claim 6, the insulating barrier between the wherein adjacent overcurrent protection module use polypropylene or glass fibre to be material.
11. overcurrent protective device as claimed in claim 6, wherein this non-wholecircle electrically conducting hole is semicircle or quadrant electrically conducting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247409 CN2575817Y (en) | 2002-08-20 | 2002-08-20 | Arc contactor module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247409 CN2575817Y (en) | 2002-08-20 | 2002-08-20 | Arc contactor module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575817Y true CN2575817Y (en) | 2003-09-24 |
Family
ID=33718307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02247409 Expired - Lifetime CN2575817Y (en) | 2002-08-20 | 2002-08-20 | Arc contactor module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2575817Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021598A (en) * | 2011-09-26 | 2013-04-03 | 聚鼎科技股份有限公司 | Over-current protecting component |
| CN104319042A (en) * | 2014-10-24 | 2015-01-28 | 深圳市慧瑞电子材料有限公司 | Surface mount type overcurrent protection element and preparation method thereof |
| TWI503850B (en) * | 2013-03-22 | 2015-10-11 | Polytronics Technology Corp | Over-current protection device |
| CN106941033A (en) * | 2016-01-04 | 2017-07-11 | 三星电机株式会社 | Chip-R element and Chip-R component element |
| CN108389669A (en) * | 2018-01-26 | 2018-08-10 | 上海神沃电子有限公司 | A kind of preparation method of double-pressure type PTC self- recoverage safety devices |
| CN112136187A (en) * | 2018-05-17 | 2020-12-25 | Koa株式会社 | Shunt resistor mounting structure |
-
2002
- 2002-08-20 CN CN 02247409 patent/CN2575817Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021598A (en) * | 2011-09-26 | 2013-04-03 | 聚鼎科技股份有限公司 | Over-current protecting component |
| CN103021598B (en) * | 2011-09-26 | 2016-05-25 | 聚鼎科技股份有限公司 | Over-current protecting element |
| TWI503850B (en) * | 2013-03-22 | 2015-10-11 | Polytronics Technology Corp | Over-current protection device |
| US9401234B2 (en) | 2013-03-22 | 2016-07-26 | Polytronics Technology Corp. | Over-current protection device |
| CN104319042A (en) * | 2014-10-24 | 2015-01-28 | 深圳市慧瑞电子材料有限公司 | Surface mount type overcurrent protection element and preparation method thereof |
| CN106941033A (en) * | 2016-01-04 | 2017-07-11 | 三星电机株式会社 | Chip-R element and Chip-R component element |
| CN106941033B (en) * | 2016-01-04 | 2019-07-02 | 三星电机株式会社 | Chip-R element and Chip-R component element |
| CN108389669A (en) * | 2018-01-26 | 2018-08-10 | 上海神沃电子有限公司 | A kind of preparation method of double-pressure type PTC self- recoverage safety devices |
| CN108389669B (en) * | 2018-01-26 | 2019-08-20 | 上海神沃电子有限公司 | A kind of preparation method of double-pressure type PTC self- recoverage safety device |
| CN112136187A (en) * | 2018-05-17 | 2020-12-25 | Koa株式会社 | Shunt resistor mounting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120820 Granted publication date: 20030924 |