CN203632228U - Combined-type surge protector with indication structure - Google Patents
Combined-type surge protector with indication structure Download PDFInfo
- Publication number
- CN203632228U CN203632228U CN201320896750.2U CN201320896750U CN203632228U CN 203632228 U CN203632228 U CN 203632228U CN 201320896750 U CN201320896750 U CN 201320896750U CN 203632228 U CN203632228 U CN 203632228U
- Authority
- CN
- China
- Prior art keywords
- indication
- housing
- temperature
- expansion chamber
- electrode
- 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)
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a combined-type surge protector with an indication structure. 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 and a supporting point are arranged inside the housing. A temperature-sensitive expansion body and a piston are arranged in the temperature-sensitive expansion chamber. A control rod, a cross support rod connected with the control rod and a pull rod connected with the cross support rod are arranged at the top of the piston. An indication cavity, an observation hole and a vertical moving groove are arranged in the wall of the housing. An indication toggle block is arranged in the indication cavity. A red indication zone and a green indication zone are arranged on the outer side surface of the indication toggle block. The red indication zone and the green indication zone perform movable indication in the observation hole. A connection rod is arranged at the inner side of the indication toggle block. The end face of the cross support rod is equipped with a groove, and the connection rod is arranged in the groove. The combined-type surge protector is advantaged by simple structure and convenient and efficient usage. The usage stability and the fusing state indication performance of the surge protector are raised. The applicability is high and the practicality is good.
Description
Technical field
The utility model belongs to circuit surge protection technical field, is specifically related to a kind of combination SPD with indicating structure.
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 and deixis are 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, and can not show fusing situation, 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, and stability in use is good and can indicate in time the combination SPD with indicating structure of blown state.
The technical scheme that realizes the utility model object is a kind of combination SPD with indicating structure, 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 and fulcrum, in temperature-sensitive expansion chamber, be provided with temperature-sensitive expander and piston, top at piston is provided with control lever, the cross support arm that one end is connected with described control lever, the pull bar being connected with the other end of described cross support arm, the top of described pull bar be connected copper sheet and be connected, on the shell wall of described housing, be provided with indication chamber, inspection hole and vertically shifting chute, described vertical shifting chute arranges the inner side of shell wall and is connected with described indication chamber, described inspection hole is arranged on the outside of shell wall and is connected with described indication chamber, in described indication chamber, be provided with indication slide block, on the lateral surface of described indication slide block, be provided with He Lv indicator, red indicator, the movable indication in He Lv indicator, described red indicator is in inspection hole, the inner side of described indication slide block is provided with connecting rod, the end points upper surface of described cross support arm is provided with groove, described connecting rod is arranged in described groove.
Between described voltage dependent resistor chip and described temperature-sensitive expansion chamber, be provided with conducting strip.
Between described piston and described temperature-sensitive expansion chamber, be provided with sealant.
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.
The utlity model has positive effect: of the present utility model simple in structure, convenient to use, in the time having surge and voltage dependent resistor chip to lose efficacy, voltage dependent resistor chip heating expands temperature-sensitive expander and drives cross support arm to move centered by fulcrum, and it is drop-down to connect copper sheet by pull bar, make it coordinate fuse link to make to connect copper sheet and voltage dependent resistor chip disconnects fast, stability in use is good, simultaneously, the connecting rod of indication slide block moves under the drive of cross support arm in indication chamber, make the green indicator in indicator hole become gradually red indicator, indicative stronger, stability in use and the blown state indication performance of surge protector are improved to a certain extent, applicability is strong, practicality is good.
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 with indicating structure, 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, also be provided with vertical temperature-sensitive expansion chamber 7 and fulcrum 8 at described housing 1, in temperature-sensitive expansion chamber 7, be provided with temperature-sensitive expander 9 and piston 10, be provided with control lever 11 at the top of piston 10, the cross support arm 12 that one end is connected with described control lever 11, the pull bar 13 being connected with the other end of described cross support arm 12, the top of described pull bar 13 be connected copper sheet 4 and be connected, on the shell wall of described housing 1, be provided with indication chamber 14, inspection hole 15 and vertically shifting chute 16, described vertical shifting chute 16 arranges the inner side of shell wall and is connected with described indication chamber 14, described inspection hole 15 is arranged on the outside of shell wall and is connected with described indication chamber 14, in described indication chamber 14, be provided with indication slide block 17, on the lateral surface of described indication slide block 17, be provided with 18He Lv indicator, red indicator 19, the movable indication in 18He Lv indicator, described red indicator 19 is in inspection hole 15, the inner side of described indication slide block 17 is provided with connecting rod 20, the end points upper surface of described cross support arm 12 is provided with groove 21, described connecting rod 20 is arranged in described groove 21.In the time having surge and voltage dependent resistor chip to lose efficacy, voltage dependent resistor chip heating expands temperature-sensitive expander and drives cross support arm to move centered by fulcrum, and it is drop-down to connect copper sheet by pull bar, make it coordinate fuse link to make to connect copper sheet and voltage dependent resistor chip disconnects fast, stability in use is good, simultaneously, the connecting rod of indication slide block moves under the drive of cross support arm in indication chamber, make the green indicator in indicator hole become gradually red indicator, indicative stronger, stability in use and the blown state indication performance of surge protector are improved to a certain extent, applicability is strong, practicality is good.
Between described voltage dependent resistor chip 2 and described temperature-sensitive expansion chamber 7, be provided with conducting strip 22.
Between described piston 10 and described temperature-sensitive expansion chamber 7, be provided with sealant 23.
In described housing 1, be also provided with insulation and thermal insulation layer 24, described voltage dependent resistor chip 2 and temperature-sensitive expansion chamber 7 are wrapped up setting by described insulation and thermal insulation layer 24.
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. one kind has the combination SPD of indicating structure, 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 and fulcrum, in temperature-sensitive expansion chamber, be provided with temperature-sensitive expander and piston, top at piston is provided with control lever, the cross support arm that one end is connected with described control lever, the pull bar being connected with the other end of described cross support arm, the top of described pull bar be connected copper sheet and be connected, it is characterized in that: on the shell wall of described housing, be provided with indication chamber, inspection hole and vertically shifting chute, described vertical shifting chute arranges the inner side of shell wall and is connected with described indication chamber, described inspection hole is arranged on the outside of shell wall and is connected with described indication chamber, in described indication chamber, be provided with indication slide block, on the lateral surface of described indication slide block, be provided with He Lv indicator, red indicator, the movable indication in He Lv indicator, described red indicator is in inspection hole, the inner side of described indication slide block is provided with connecting rod, the end points upper surface of described cross support arm is provided with groove, described connecting rod is arranged in described groove.
2. the combination SPD with indicating structure according to claim 1, is characterized in that: between described voltage dependent resistor chip and described temperature-sensitive expansion chamber, be provided with conducting strip.
3. the combination SPD with indicating structure according to claim 2, is characterized in that: between described piston and described temperature-sensitive expansion chamber, be provided with sealant.
4. the combination SPD with indicating structure according to claim 3, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896750.2U CN203632228U (en) | 2013-12-30 | 2013-12-30 | Combined-type surge protector with indication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896750.2U CN203632228U (en) | 2013-12-30 | 2013-12-30 | Combined-type surge protector with indication structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632228U true CN203632228U (en) | 2014-06-04 |
Family
ID=50818670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896750.2U Expired - Fee Related CN203632228U (en) | 2013-12-30 | 2013-12-30 | Combined-type surge protector with indication structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632228U (en) |
-
2013
- 2013-12-30 CN CN201320896750.2U patent/CN203632228U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203632228U (en) | Combined-type surge protector with indication structure | |
| CN205373905U (en) | Temperature sensor | |
| CN205081081U (en) | Miniature circuit breaker | |
| CN203632233U (en) | Combined-type surge protector | |
| CN203696181U (en) | Novel electric soldering iron | |
| CN103747541B (en) | Electrothermal tube seal | |
| CN202434357U (en) | Novel circular glass sealing wiring terminal | |
| CN202585796U (en) | Wiring nose | |
| CN202905646U (en) | Thermal fuse | |
| CN203278207U (en) | Switching circuit with overheat switch-off function | |
| CN203224798U (en) | Temperature controller suitable for low-temperature environment | |
| CN203310424U (en) | Overheating protection telemetry terminal | |
| CN204537973U (en) | Big current fast acting fuse | |
| CN203414192U (en) | Testing device for limit temperature of temperature fuse | |
| CN106255242A (en) | Single-ended electrical heating elements | |
| CN205723332U (en) | Electric heater anti-dumping switch | |
| CN203644531U (en) | High-voltage capacitor-type wall sleeve device | |
| CN104882234A (en) | Power resistor of three-dimensional network structure and processing technique of power resistor | |
| CN203595379U (en) | Structure for heat insulation of drying tunnel outside | |
| CN104132734A (en) | Temperature position sensor | |
| CN204695886U (en) | Three-dimensional net structure power resistor | |
| CN203758639U (en) | Water temperature sensor for automobile engine | |
| CN202905647U (en) | Temperature controller | |
| CN207765705U (en) | A kind of power output isolation amplification board | |
| CN203535131U (en) | Remote signal indication device for anti-thunder product |
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 |