CN204103473U - Multilayer protection Surge Protector - Google Patents
Multilayer protection Surge Protector Download PDFInfo
- Publication number
- CN204103473U CN204103473U CN201420447132.4U CN201420447132U CN204103473U CN 204103473 U CN204103473 U CN 204103473U CN 201420447132 U CN201420447132 U CN 201420447132U CN 204103473 U CN204103473 U CN 204103473U
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- China
- Prior art keywords
- filter circuit
- matrix filter
- surge protector
- power supply
- matrix
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- Expired - Fee Related
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- 230000001012 protector Effects 0.000 title claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 60
- 230000001052 transient effect Effects 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 abstract description 4
- 230000032683 aging Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
The utility model provides a kind of multilayer to protect Surge Protector, relates to electronic equipment protection device technical field.This utility model comprises the first matrix filter circuit, the second matrix filter circuit, the 3rd matrix filter circuit and power supply instruction control circuit, and the first matrix filter circuit, the second matrix filter circuit, the 3rd matrix filter circuit and power supply instruction control circuit is in parallel.The utility model performs to limit each self-applying of piezo-resistance, ceramic discharge tube and transient diode, effectively inhibits overvoltage, has accomplished that clamping voltage is lower, can bear the continuously impact of electric surge simultaneously.
Description
Technical field
The utility model relates to a kind of electronic equipment protection device technical field, particularly relates to a kind of multilayer protection Surge Protector.
Background technology
Electricity Surge Protector is widely used in the security protection of whole world high added value, high-end electronic electric equipment.Modular electricity Surge Protector will protect and just can reach about 1000V through B level, C level, D level three; the leakage current of common votage limit type Surge Protector is generally at 10uA, and As time goes on, leakage current can be increasing; directly affect the stability that SPD uses, finally cause SPD to lose efficacy.
Modular Surge Protector adopts monolithic piezo-resistance as main discharge circuit; due to monolithic piezo-resistance through-current capacity always not ideal enough (general monolithic piezo-resistance maximum discharge current 20KA 8/20uS); because piezo-resistance has a fatal shortcoming---there is irregular leakage current; after piezo-resistance work a period of time; the particularly piezo-resistance of poor-performing, because leakage current becomes conference accelerated ageing or heating self-destruction.The pressure-sensitive sensing resistor electricity Surge Protector of single structure, in the reaction time long (> 25ns), easily aging, after action several times, leakage current can increase, thus causes piezo-resistance overheated, and finally cause ageing failure, electric capacity is larger.The discharge tube electricity Surge Protector of single structure, residual voltage high (2 ~ 4KV), reaction time long (> 100ns), operation voltage precision is lower, there is power frequency continued flow, directly can not be used on power supply and do differential mode protection, although general electrified equipment requirement can be met, but along with the development of large scale integrated circuit, electronics technology, automated control technology and the extensive use of information technology in social all trades and professions, responsive electric equipment, accurate electronic equipment, signal transmission apparatus had become the important leverage of all trades and professions production normal operation already.If the component quality of Surge Protector inside have problem, aging or lost efficacy, the response time be certain to extend, Surge Protector just can not preempt protected device interior overvoltage, electric discharge components and parts startup, just lost out Protection significance.
Utility model content
For the weak point existed in the problems referred to above; the utility model provides a kind of multilayer to protect Surge Protector; each self-applying of its piezo-resistance, ceramic discharge tube and transient diode is made to perform to limit; effectively inhibit overvoltage; accomplish that clamping voltage is lower, the continuously impact of electric surge can have been born simultaneously.
In order to solve the problem; the utility model provides a kind of multilayer to protect Surge Protector; wherein; comprise the first matrix filter circuit, the second matrix filter circuit, the 3rd matrix filter circuit and power supply instruction control circuit, described first matrix filter circuit, described second matrix filter circuit, described 3rd matrix filter circuit and described power supply instruction control circuit is in parallel.
Preferably, described first matrix filter circuit is the piezo-resistance of series connection and many groups parallel-connection structure of discharge tube, and described first matrix filter circuit one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
Preferably, described second matrix filter circuit is the piezo-resistance of series connection and many groups parallel-connection structure of discharge tube, and described second matrix filter circuit one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
Preferably, described 3rd matrix filter circuit is multiple piezo-resistance and transient diode parallel-connection structure, and described 3rd matrix filter circuit one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
Preferably, described power supply instruction control circuit one end is connected with phase line, and the other end is connected with zero line.
Preferably, connect with overcurrent fusible link after the parallel connection of described first matrix filter circuit, described second matrix filter circuit, described 3rd matrix filter circuit and described power supply instruction control circuit, described overcurrent fusible link is arranged in phase line.
Compared with prior art, the utility model has the following advantages:
The utility model adopts three layers of big current earial drainage design both to accomplish big current filter function; serve multilayer protective effect; each self-applying of piezo-resistance, ceramic discharge tube and transient diode is performed to limit; effectively inhibit overvoltage; accomplish that clamping voltage is lower, the continuously impact of electric surge can have been born simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is embodiment circuit diagram of the present utility model.
Main element symbol description:
1-overcurrent fusible link 2-first matrix filter circuit
3-second matrix filter circuit 4-the 3rd matrix filter circuit
5-power supply instruction control circuit 6-power supply terminal
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing and example, the utility model is described in further detail, but example is not as to restriction of the present utility model.
As depicted in figs. 1 and 2, embodiment of the present utility model comprises the first matrix filter circuit 2, second matrix filter circuit 3, the 3rd matrix filter circuit 4 and power supply instruction control circuit 5, and described first matrix filter circuit 2, described second matrix filter circuit 3, described 3rd matrix filter circuit 4 and described power supply instruction control circuit 5 is in parallel.
Further, described first matrix filter circuit 2 is the piezo-resistance of series connection and many groups parallel-connection structure of discharge tube, and described first matrix filter circuit 2 one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
Further, described second matrix filter circuit 3 is the piezo-resistance of series connection and many groups parallel-connection structure of discharge tube, and described second matrix filter circuit 3 one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
Further, described 3rd matrix filter circuit 4 is multiple piezo-resistance and transient diode parallel-connection structure, and described 3rd matrix filter circuit 4 one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
Further, described power supply instruction control circuit 5 one end is connected with phase line, and the other end is connected with zero line.
Further, connect with overcurrent fusible link 1 after described first matrix filter circuit 2, described second matrix filter circuit 3, described 3rd matrix filter circuit 4 and described power supply instruction control circuit 5 is in parallel, described overcurrent fusible link 1 is arranged in phase line.
The surge of the present embodiment flows through power supply terminal 6 through phase line and flows through overcurrent fusible link 1 again, then the first matrix filter circuit 2 is flow through over the ground or zero line earial drainage, meet the requirement of maximum through-current capacity, flow through the second matrix filter circuit 3 more over the ground or zero line earial drainage, strengthen and ensure the stability of through-current capability, then flowing through the 3rd matrix filter circuit 4 over the ground or zero line earial drainage, effectively inhibit overvoltage, accomplish that clamping voltage is lower, the continuously impact of electric surge can have been born simultaneously.Finally flow to power supply instruction and remote signalling control circuit 5, define three layers of filter protective circuit.
The present embodiment adopts multilayer big current filter function, and ground floor adopts the matrix arrangement respectively of multiple piezo-resistance and discharge tube, then connects, meets the requirement of maximum through-current capacity, the protection of composition ground floor overcurrent earial drainage; Continue to adopt piezo-resistance and discharge tube difference matrix to arrange at the second layer; strengthen and ensure the stability of through-current capability; third layer adopt multiple piezo-resistance and and transient diode parallel connection; transient diode response time fast advantage is mainly played in third layer; finally by three layer matrix arrangements, define three layers of filter protective circuit.
When ground floor is caused damage by the impact of electric surge, second and third layer continues the responsibility taking on protection, and particularly under the successive impact condition of electric surge, its function and significance just seems special.Big current filter function had both been accomplished in three layers of big current earial drainage design; serve multilayer protective effect; each self-applying of piezo-resistance, ceramic discharge tube and transient diode is performed to limit; effectively inhibit overvoltage; accomplish that clamping voltage is lower, the continuously impact of electric surge can have been born simultaneously.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a multilayer protection Surge Protector; it is characterized in that; comprise the first matrix filter circuit, the second matrix filter circuit, the 3rd matrix filter circuit and power supply instruction control circuit, described first matrix filter circuit, described second matrix filter circuit, described 3rd matrix filter circuit and described power supply instruction control circuit is in parallel.
2. multilayer protection Surge Protector as claimed in claim 1; it is characterized in that; described first matrix filter circuit is the piezo-resistance of series connection and many groups parallel-connection structure of discharge tube, and described first matrix filter circuit one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
3. multilayer protection Surge Protector as claimed in claim 1; it is characterized in that; described second matrix filter circuit is the piezo-resistance of series connection and many groups parallel-connection structure of discharge tube, and described second matrix filter circuit one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
4. multilayer protection Surge Protector as claimed in claim 1; it is characterized in that; described 3rd matrix filter circuit is multiple piezo-resistance and transient diode parallel-connection structure, and described 3rd matrix filter circuit one end is connected with phase line, and the other end is connected with ground wire with zero line respectively.
5. multilayer protection Surge Protector as claimed in claim 1, is characterized in that, described power supply instruction control circuit one end is connected with phase line, and the other end is connected with zero line.
6. as the multilayer protection Surge Protector as described in arbitrary in claim 1-5; it is characterized in that; connect with overcurrent fusible link after the parallel connection of described first matrix filter circuit, described second matrix filter circuit, described 3rd matrix filter circuit and described power supply instruction control circuit, described overcurrent fusible link is arranged in phase line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447132.4U CN204103473U (en) | 2014-08-06 | 2014-08-06 | Multilayer protection Surge Protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447132.4U CN204103473U (en) | 2014-08-06 | 2014-08-06 | Multilayer protection Surge Protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103473U true CN204103473U (en) | 2015-01-14 |
Family
ID=52271874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447132.4U Expired - Fee Related CN204103473U (en) | 2014-08-06 | 2014-08-06 | Multilayer protection Surge Protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103473U (en) |
-
2014
- 2014-08-06 CN CN201420447132.4U patent/CN204103473U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150806 |
|
| EXPY | Termination of patent right or utility model |