CN203632233U - Combined-type surge protector - Google Patents
Combined-type surge protector Download PDFInfo
- Publication number
- CN203632233U CN203632233U CN201320896748.5U CN201320896748U CN203632233U CN 203632233 U CN203632233 U CN 203632233U CN 201320896748 U CN201320896748 U CN 201320896748U CN 203632233 U CN203632233 U CN 203632233U
- Authority
- CN
- China
- Prior art keywords
- temperature
- expansion chamber
- housing
- sensitive
- sensitive expansion
- 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
Links
Landscapes
- Fuses (AREA)
Abstract
The utility model discloses a combined-type surge protector. The combined-type surge protector comprises a housing, a pressure-sensitive resistor, a fuse sheet and a connection copper sheet. A first electrode and a second electrode are arranged on the housing. A vertical temperature-sensitive expansion chamber is arranged inside the housing. A temperature-sensitive expansion body and a piston are arranged in the temperature-sensitive expansion chamber. The piston is arranged above the temperature-sensitive expansion body. A control rod is arranged at the top of the piston. A supporting point, a cross support rod and a pull rod are arranged inside the housing. The supporting point is arranged at the outer side of the temperature-sensitive expansion chamber. One end of the cross support rod is connected with the top of the control rod. The other end of the cross support rod is connected with the bottom of the pull rod and the middle part of the cross support rod is arranged on the supporting point. The top of the pull rod is connected with the connection copper sheet. The temperature-sensitive expansion chamber is connected with the pressure-sensitive resistor through a heat-conducting sheet. The combined-type surge protector is simple in structure. The usage stability and reliability of the surge protector are raised. The applicability is high and the practicality is strong.
Description
Technical field
The utility model belongs to circuit surge protection technical field, is specifically related to a kind of combination SPD.
Background technology
Due to outside or internal cause, in most of circuit, all can there is surge, the existence of surge can affect the stability in use of circuit to a certain extent, also can cause certain infringement to electrical appliance simultaneously, in order to reduce the existence of surge, in general circuit, all can be provided with surge protector, the surge protector of prior art is mainly by housing, be arranged on the voltage dependent resistor chip being electrically connected successively in housing, connect copper sheet and fusing structure composition, and fusing structure be connected copper sheet welding, it is mainly by fusing structure fusing is carried out to voltage dependent resistor chip inefficacy open circuit protection, although it can play defencive function to a certain extent, but its stability in use is poor, in use after fusing structure fusing, thereby connecting copper sheet is connected and does not reach desirable surge device protection effect with the molten bits continuation of fusing structure, applicability is restricted to a certain extent.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, the combination SPD that stability in use is good and applicability is strong.
The technical scheme that realizes the utility model object is a kind of combination SPD, comprise housing, be arranged on the voltage dependent resistor chip being connected successively in housing, fuse link be connected copper sheet, on described housing, be provided with the first electrode and the second electrode, described the first electrode is connected with described voltage dependent resistor chip, described the second electrode is connected with the described copper sheet that is connected, in described housing, be also provided with vertical temperature-sensitive expansion chamber, in described temperature-sensitive expansion chamber, be provided with temperature-sensitive expander and piston, described piston is arranged on the top of described temperature-sensitive expander, the top of described piston is provided with control lever, in described housing, be also provided with fulcrum, cross support arm and pull bar, described fulcrum is arranged on the outside of described temperature-sensitive expansion chamber, one end of described cross support arm is connected with the top of described control lever, the other end of cross support arm is connected with the bottom of described pull bar and the middle part of cross support arm is arranged on fulcrum, the top of described pull bar is connected with the described copper sheet that is connected, described temperature-sensitive expansion chamber is connected by heat transfer sheet with described voltage dependent resistor chip.
In described housing, be also provided with insulation and thermal insulation layer, described insulation and thermal insulation layer arranges described voltage dependent resistor chip and temperature-sensitive expansion chamber parcel.
Between described piston and described temperature-sensitive expansion chamber, be provided with sealant.
Described fuse link is low-melting alloy.
The utlity model has positive effect: of the present utility model simple in structure, be provided with temperature-sensitive expansion chamber, and in temperature-sensitive expansion chamber, be provided with temperature-sensitive expander and piston, and be also provided with fulcrum, cross support arm and pull bar, pass through and when pressure responsive resistor failure when there being surge, voltage dependent resistor chip produces a large amount of heat, make temperature-sensitive expansion chamber expand and will on piston, push away, piston driving control lever rotates cross support arm centered by fulcrum, and then drive pull bar to pull connection copper sheet, make to apply pulling force to connecting copper sheet in fuse link fusing, the fusing of acceleration fuse link and connection copper sheet separate with voltage dependent resistor chip, improve the stability that surge protector uses, then temperature-sensitive expander resets and drives pull bar to reset, making to connect copper sheet continues to contact with voltage dependent resistor chip, stability and reliability that surge protector uses are improved to a certain extent, applicability is good, practical.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of combination SPD, comprise housing 1, be arranged on the voltage dependent resistor chip 2 being connected successively in housing 1, fuse link 3 be connected copper sheet 4, on described housing 1, be provided with the first electrode 5 and the second electrode 6, described the first electrode 5 is connected with described voltage dependent resistor chip 2, described the second electrode 6 is connected with the described copper sheet 4 that is connected, in described housing 1, be also provided with vertical temperature-sensitive expansion chamber 7, in described temperature-sensitive expansion chamber 7, be provided with temperature-sensitive expander 8 and piston 9, described piston 9 is arranged on the top of described temperature-sensitive expander 8, the top of described piston 9 is provided with control lever 10, in described housing 1, be also provided with fulcrum 11, cross support arm 12 and pull bar 13, described fulcrum 11 is arranged on the outside of described temperature-sensitive expansion chamber 7, one end of described cross support arm 12 is connected with the top of described control lever 10, the other end of cross support arm 12 is connected with the bottom of described pull bar 13 and the middle part of cross support arm 12 is arranged on fulcrum 11, the top of described pull bar 13 is connected with the described copper sheet 4 that is connected, described temperature-sensitive expansion chamber 7 is connected by heat transfer sheet 14 with described voltage dependent resistor chip 2.
In described housing 1, be also provided with insulation and thermal insulation layer 15, described voltage dependent resistor chip 2 and temperature-sensitive expansion chamber 7 are wrapped up setting by described insulation and thermal insulation layer 15.
Between described piston 9 and described temperature-sensitive expansion chamber 7, be provided with sealant 16.
Described fuse link 3 is low-melting alloy.
Be provided with temperature-sensitive expansion chamber, and in temperature-sensitive expansion chamber, be provided with temperature-sensitive expander and piston, and be also provided with fulcrum, cross support arm and pull bar, pass through and when pressure responsive resistor failure when there being surge, voltage dependent resistor chip produces a large amount of heat, make temperature-sensitive expansion chamber expand and will on piston, push away, piston driving control lever rotates cross support arm centered by fulcrum, and then drive pull bar to pull connection copper sheet, make to apply pulling force to connecting copper sheet in fuse link fusing, the fusing of acceleration fuse link and connection copper sheet separate with voltage dependent resistor chip, improve the stability that surge protector uses, then temperature-sensitive expander resets and drives pull bar to reset, making to connect copper sheet continues to contact with voltage dependent resistor chip, stability and reliability that surge protector uses are improved to a certain extent, applicability is good, practical.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And these belong to apparent variation or the variation that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (4)
1. a combination SPD, comprise housing, be arranged on the voltage dependent resistor chip being connected successively in housing, fuse link be connected copper sheet, on described housing, be provided with the first electrode and the second electrode, described the first electrode is connected with described voltage dependent resistor chip, described the second electrode is connected with the described copper sheet that is connected, it is characterized in that: in described housing, be also provided with vertical temperature-sensitive expansion chamber, in described temperature-sensitive expansion chamber, be provided with temperature-sensitive expander and piston, described piston is arranged on the top of described temperature-sensitive expander, the top of described piston is provided with control lever, in described housing, be also provided with fulcrum, cross support arm and pull bar, described fulcrum is arranged on the outside of described temperature-sensitive expansion chamber, one end of described cross support arm is connected with the top of described control lever, the other end of cross support arm is connected with the bottom of described pull bar and the middle part of cross support arm is arranged on fulcrum, the top of described pull bar is connected with the described copper sheet that is connected, described temperature-sensitive expansion chamber is connected by heat transfer sheet with described voltage dependent resistor chip.
2. combination SPD according to claim 1, is characterized in that: in described housing, be also provided with insulation and thermal insulation layer, described insulation and thermal insulation layer arranges described voltage dependent resistor chip and temperature-sensitive expansion chamber parcel.
3. combination SPD according to claim 2, is characterized in that: between described piston and described temperature-sensitive expansion chamber, be provided with sealant.
4. combination SPD according to claim 3, is characterized in that: described fuse link is low-melting alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896748.5U CN203632233U (en) | 2013-12-30 | 2013-12-30 | Combined-type surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896748.5U CN203632233U (en) | 2013-12-30 | 2013-12-30 | Combined-type surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632233U true CN203632233U (en) | 2014-06-04 |
Family
ID=50818675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896748.5U Expired - Fee Related CN203632233U (en) | 2013-12-30 | 2013-12-30 | Combined-type surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987205A (en) * | 2018-08-21 | 2018-12-11 | 李涵 | A kind of high voltage protective breaker |
-
2013
- 2013-12-30 CN CN201320896748.5U patent/CN203632233U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987205A (en) * | 2018-08-21 | 2018-12-11 | 李涵 | A kind of high voltage protective breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204695964U (en) | A kind of power-off explosion-proof type capacitor | |
| CN204178930U (en) | Power-off explosion-proof type capacitor | |
| CN203632233U (en) | Combined-type surge protector | |
| CN202678007U (en) | Varistor with self-protection function | |
| CN201369293Y (en) | Improved temperature controller | |
| CN202550139U (en) | Connector with conveniently replaced contact piece | |
| CN205943756U (en) | Condenser terminal strip connection structure | |
| CN202585796U (en) | Wiring nose | |
| CN201104328Y (en) | Low-temperature electrode connection device | |
| CN203632228U (en) | Combined-type surge protector with indication structure | |
| CN204991468U (en) | Condenser with control by temperature change protect function | |
| CN203224798U (en) | Temperature controller suitable for low-temperature environment | |
| CN202905646U (en) | Thermal fuse | |
| CN203827539U (en) | Heating device for sterilization and disinfection device | |
| CN201312392Y (en) | Dual-temperature-control PTC heater | |
| CN201247660Y (en) | Heat protection type piezoresistor | |
| CN205897218U (en) | Electric heating assemblies | |
| CN207503820U (en) | A kind of pneumatic type low tension switch | |
| CN202523498U (en) | Encapsulated type heat sensitive resistor | |
| CN207425501U (en) | A kind of heated at constant temperature thermal resistor | |
| CN204391428U (en) | There is the plug and socket of flameproof protection device | |
| CN203950768U (en) | The encapsulating structure of a kind of pcb board and fuse | |
| CN103945584A (en) | Heating device for sterilizer | |
| CN203772444U (en) | Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances | |
| CN203367146U (en) | Temperature fuse with double springs |
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: 20140604 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |