CN214755522U - Surge protector - Google Patents
Surge protector Download PDFInfo
- Publication number
- CN214755522U CN214755522U CN202023137619.7U CN202023137619U CN214755522U CN 214755522 U CN214755522 U CN 214755522U CN 202023137619 U CN202023137619 U CN 202023137619U CN 214755522 U CN214755522 U CN 214755522U
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- discharge tube
- spring
- surge protector
- sliding block
- tripping device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
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- Thermistors And Varistors (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a surge protector, including first discharge tube, second discharge tube, first trip gear and second trip gear. And one lead end of the first discharge tube and one lead end of the second discharge tube are electrically connected with the first tripping device, and the other lead end of the second discharge tube is electrically connected with the second tripping device. The other lead end of the first discharge tube is used for externally connecting a phase line, the first tripping device is used for externally connecting a neutral line, and the second tripping device is used for externally connecting a protection line. The first discharge tube, the second discharge tube, the first tripping device and the second tripping device form a three-electrode surge protector externally connected with a neutral wire, a protection wire and a phase wire. The first trip device can prevent surges from either the phase or neutral lines. The second trip device can prevent surges from the phase or protection lines. The single-phase protection is realized on the whole, and the circuit is timely disconnected when the surge comes, so that other equipment is protected.
Description
Technical Field
The utility model relates to a surge protector technical field, in particular to surge protector.
Background
A surge protector, also called a lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and communication lines. In practical applications, there is a certain limit to the maximum discharge current of the surge protector, i.e. the protection capability is limited. If the surge protector is still connected to the line after bearing the maximum discharge current and thermal tripping cannot be realized, the short circuit of the surge protector is easily caused and the power supply accident is caused because the short circuit cannot bear the lightning current.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the surge protector can realize automatic tripping when a surge comes, and plays a role in protecting other equipment.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a surge protector comprises a first discharge tube, a second discharge tube, a first tripping device and a second tripping device;
a lead end of the first discharge tube and a lead end of the second discharge tube are both electrically connected with the first tripping device, and the other lead end of the second discharge tube is electrically connected with the second tripping device;
the other lead end of the first discharge tube is used for being externally connected with a phase line, the first tripping device is used for being externally connected with a neutral line, and the second tripping device is used for being externally connected with a protection line.
The first tripping device comprises a first spring, a first metal reed, a first sliding block and a first temperature-sensing metal body, and the second tripping device comprises a second spring, a second metal reed, a second sliding block and a second temperature-sensing metal body;
the first discharge tube and the second discharge tube are fixed on the fixed frame, one end of a first metal reed is fixedly connected with a lead end of the first discharge tube and a lead end of the second discharge tube through the first temperature sensing metal body and is welded and fixed with the lead end of the first discharge tube and the lead end of the second discharge tube, the other end of the first metal reed is fixedly connected with a first sliding block, the first sliding block is fixedly connected with one end of a first spring, and the other end of the first spring is fixed on the fixed frame;
one end of the second metal reed is welded and fixed with the second lead end of the second discharge tube through the second temperature sensing metal body, the other end of the second metal reed is fixedly connected with the second sliding block, the second sliding block is fixedly connected with one end of the second spring, and the other end of the second spring is fixed on the fixed frame; the first spring and the second spring are both in a force accumulation state, the elastic force direction of one end of the first spring fixedly connected with the first sliding block is far away from the first discharge tube and the second discharge tube, and the elastic force direction of one end of the second spring fixedly connected with the second sliding block is far away from the second discharge tube;
the other lead end of the first discharge tube is used for being externally connected with a phase line, the first metal reed is used for being externally connected with a neutral line, and the other end of the second reed 7 is used for being externally connected with a protection line.
Furthermore, a first sliding groove and a second sliding groove are arranged on the fixed frame;
the first sliding block and the first spring are both arranged on the first sliding groove, one end of the first sliding groove is provided with a first sealing structure, the first sliding block is connected with one end of the first spring in an abutting mode, and the other end of the first spring is connected with the sealing structure in an abutting mode;
the second slider with the second spring all sets up on the second spout, the one end of second spout is equipped with second enclosed construction, the second slider with the one end of second spring is contradicted and is connected, the other end of second spring with the second enclosed construction is contradicted and is connected.
Further, the device also comprises a first indicating sheet, a second indicating sheet, a third indicating sheet and a fourth indicating sheet;
the second indicating sheet and the first indicating sheet are sequentially arranged on the first sliding block, and the arrangement direction of the second indicating sheet and the arrangement direction of the first indicating sheet are the same as the reset direction of the first spring;
the fourth indicating sheet and the third indicating sheet are sequentially arranged on the first sliding block, and the arrangement direction of the fourth indicating sheet and the arrangement direction of the third indicating sheet are the same as the reset direction of the second spring.
Further, the surge protector comprises a surge protector shell, and the surge protector shell further comprises an upper frame body and a lower frame body;
the upper frame body is detachably connected with the lower frame body.
Furthermore, transparent windows are arranged on the upper frame body corresponding to the second indication sheet and the fourth indication sheet.
Furthermore, the upper frame body is provided with a vent hole.
Further, the first discharge tube and the second discharge tube are both multi-gap gas discharge tubes.
Further, the fixed frame is fixed in the surge protector shell through elastic glue.
To sum up, the beneficial effects of the utility model reside in that: the surge protector comprises a first discharge tube, a second discharge tube, a first tripping device and a second tripping device, wherein the first discharge tube, the second discharge tube, the first tripping device and the second tripping device form the three-electrode surge protector with an external neutral wire, a protection wire and a phase wire. The first trip device can prevent surges from either the phase or neutral lines. The second trip device can prevent surges from the phase or protection lines. The single-phase protection is realized on the whole, and the circuit is timely disconnected when the surge comes, so that other equipment is protected.
Drawings
Fig. 1 is an exploded view of a specific structure of a surge protector according to an embodiment of the present invention;
fig. 2 is a schematic circuit structure diagram of a surge protector according to an embodiment of the present invention;
fig. 3 is a front view of an internal structure of a surge protector according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of the internal structure of a surge protector according to an embodiment of the present invention;
fig. 5 is a schematic view of an appearance structure of a surge protector according to an embodiment of the present invention;
fig. 6 is a schematic bottom structure diagram of a surge protector according to an embodiment of the present invention;
description of reference numerals:
1. a first discharge tube; 2. a second discharge tube; 3. a first spring; 4. a first metal reed; 5. a first slider; 6. a fixed frame; 7. a second spring; 8. a second metal reed; 9. a second slider; 10. a first chute; 11. a second chute; 12. a first enclosing structure; 13. a second enclosing structure; 14. a first indicator sheet; 15. a second indicator sheet; 16. a third indicator sheet; 17. a fourth indicator sheet; 18. an upper frame body; 19. A lower frame body; 20. a transparent window; 21. a vent hole; 22. and (4) elastic glue.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 6 of the drawings,
a surge protector comprises a first discharge tube 1, a second discharge tube 2, a first tripping device and a second tripping device;
a lead end of the first discharge tube 1 and a lead end of the second discharge tube 2 are both electrically connected with the first trip device, and the other lead end of the second discharge tube 2 is electrically connected with the second trip device;
the other lead end of the first discharge tube 1 is used for connecting an external phase line, the first tripping device is used for connecting an external neutral line, and the second tripping device is used for connecting an external protection line.
As can be seen from the above description, a surge protector is provided, in which the first discharge tube 1, the second discharge tube 2, the first trip device and the second trip device constitute a three-electrode surge protector externally connected with a neutral line, a protection line and a phase line. The first trip device can prevent surges from either the phase or neutral lines. The second trip device can prevent surges from the phase or protection lines. The single-phase protection is realized on the whole, and the circuit is timely disconnected when the surge comes, so that other equipment is protected. The utility model discloses an electrode pin is still drawn forth respectively to another lead wire end, first trip gear and the second trip gear of first discharge tube among the surge protector to the external electric wire of being more convenient for.
Further, the trip device comprises a fixed frame, the first trip device comprises a first spring 3, a first metal reed 4, a first slide block 5 and a first temperature-sensing metal body, and the second trip device comprises a second spring 7, a second metal reed 8, a second slide block 9 and a second temperature-sensing metal body;
the first discharge tube 1 and the second discharge tube 2 are both fixed on the fixing frame 6, one end of the first metal reed 4 is fixedly connected through the first temperature sensing metal body and is welded and fixed with one lead end of the first discharge tube 1 and one lead end of the second discharge tube 2, the other end of the first metal reed 4 is fixedly connected with the first sliding block 5, the first sliding block 5 is fixedly connected with one end of the first spring 3, and the other end of the first spring 3 is fixed on the fixing frame 6;
one end of the second metal reed 8 is welded and fixed with the second lead end of the second discharge tube 2 through the second temperature sensing metal body, the other end of the second metal reed 8 is fixedly connected with the second sliding block 9, the second sliding block 9 is fixedly connected with one end of the second spring 7, and the other end of the second spring 7 is fixed on the fixed frame 6; the first spring 3 and the second spring 7 are both in a force accumulation state, the elastic force direction of one end of the first spring 3 fixedly connected with the first slider 5 is far away from the first discharge tube 1 and the second discharge tube 2, and the elastic force direction of one end of the second spring 7 fixedly connected with the second slider 9 is far away from the second discharge tube 2;
the first metal reed 4 is used for externally connecting a neutral line, and the other end of the second reed 7 is used for externally connecting a protection line.
As can be seen from the above description, the first metal reed 4 and the first temperature-sensitive metal body weld a lead end of the first discharge tube 1 and a lead end of the second discharge tube 2 together to form an elastic buckle, and the first metal reed 4 is provided with a tripping structure composed of the first spring 3 and the first slider 5. Therefore, when a surge comes, the first discharge tube 1 or the second discharge tube 2 can transfer heat to the first temperature sensing metal body when being overheated, so that the periphery of the first temperature sensing metal body is detached, and the joint of the first metal reed 4, the first discharge tube 1 and the second discharge tube 2 is loosened. Under the action of the elastic force of the first spring 3 and the elastic force of the first reed in the tripping structure, the first metal reed 4 is disconnected, and the connection between the first discharge tube 1 and the second discharge tube 2 is disconnected, so that automatic tripping is realized. The action principle of the second spring 7, the second slider 9 and the second temperature-sensitive metal body is similar to that described above.
Furthermore, a first sliding groove 10 and a second sliding groove 11 are arranged on the fixed frame 6, and the first sliding block 5 is fixedly connected with one end of the first spring 3;
the first sliding block 5 and the first spring 3 are both arranged on the first sliding groove 10, one end of the first sliding groove 10 is provided with a first sealing structure 12, the first sliding block 5 is connected with one end of the first spring 3 in an abutting mode, and the other end of the first spring 3 is connected with the sealing structure in an abutting mode;
As is apparent from the above description, the first spring 3 and the first slider 5 are both provided on the first runner 10. The first slider 5 compresses the first spring 3 over the first runner 10 and the first enclosing structure 12. In case of an overheat failure of the surge protector, the first spring 3 pushes the first slider 5 to slide on the first chute 10 and away from the first discharge tube 1 and the second discharge tube 2. The movement process of the second slider 9 and the second spring 7 in the second sliding chute 11 is similar to that described above, and is not described again.
Further, a first indicating sheet 14, a second indicating sheet 15, a third indicating sheet 16 and a fourth indicating sheet 17 are also included;
the second indicating sheet 15 and the first indicating sheet 14 are sequentially arranged on the first sliding block 5, and the arrangement direction is the same as the reset direction of the first spring 3;
the fourth indication sheet 17 and the third indication sheet 16 are sequentially arranged on the first slider 5, and the arrangement direction is the same as the reset direction of the second spring 7.
As is apparent from the above description, the first indicator piece 14 and the second indicator piece 15 constitute physical indicating means. Because the first indication sheet 14 and the second indication sheet 15 have the same reset direction as the first spring 3, when the first spring 3 is reset, the first indication sheet 14 and the second indication sheet 15 are displaced under the driving of the first slider 5, so that the position of the second indication sheet 15 originally becomes the third indication sheet 16, that is, the movement of the first slider 5 becomes the position change of the first indication sheet 14 and the second indication sheet 15, so as to determine whether tripping occurs. The fourth indicator piece 17 and said third indicator piece 16 then function in the same way as the first indicator piece 14 and the second indicator piece 15. The two indicating sheets constituting the physical indicating means may be distinguished by different colors, shapes, etc. so that a user can visually recognize whether or not the trip has occurred.
Further, the surge protector comprises a surge protector shell, wherein the surge protector shell further comprises an upper frame 18 and a lower frame 19;
the upper frame 18 and the lower frame 19 are detachably connected to each other.
As is apparent from the above description, the entire surge protector is housed in a surge protector case composed of an upper frame 18 and a lower frame 19.
Furthermore, transparent windows 20 are disposed on the upper frame 18 at positions corresponding to the second indicator sheet 15 and the fourth indicator sheet 17.
As can be seen from the above description, transparent windows 20 are provided on the upper frame 18 at positions corresponding to the second indicator piece 15 and the fourth indicator piece 17. The transparent window 20 is used for facilitating the operation and maintenance personnel to observe whether the original position of the second indication sheet 15 or the fourth indication sheet 17 is changed into the first indication sheet 14 or the third indication sheet 16, namely, for visually judging whether the surge protector is automatically tripped.
Further, the upper frame 18 is provided with a vent hole 21.
As is apparent from the above description, the upper frame 18 is provided with the vent hole 21 for increasing the heat dissipation speed inside the surge protector.
Further, the first discharge tube 1 and the second discharge tube 2 are both multi-gap gas discharge tubes.
As is apparent from the above description, the first discharge tube 1 and the second discharge tube 2 are both multi-gap gas discharge tubes for enhancing the discharge effect.
Further, the fixing frame 6 is fixed in the surge protector housing by an elastic glue 22.
As can be seen from the above description, the fixing frame 6 is fixed in the surge protector housing by the elastic glue 22, so that the stability of the whole structure of the surge protector is increased, and the surge protector is also convenient to disassemble.
Referring to fig. 1 and fig. 3, a first embodiment of the present invention is:
a surge protector comprises a first discharge tube 1, a second discharge tube 2, a first tripping device and a second tripping device. Wherein, a lead terminal of the first discharge tube 1 and a lead terminal of the second discharge tube 2 are both electrically connected with the first trip device, and the other lead terminal of the second discharge tube 2 is electrically connected with the second trip device. In the present embodiment, specifically, as shown in fig. 1, a fixing frame 6 is further included. The first tripping device comprises a first spring 3, a first metal reed 4, a first sliding block 5 and a first temperature-sensing metal body. The second tripping device comprises a second spring 7, a second metal reed 8, a second sliding block 9 and a second temperature-sensing metal body. The first discharge tube 1 and the second discharge tube 2 are both fixed on the fixing frame 6, one end of the first metal reed 4 is fixedly connected with a lead end of the first discharge tube 1 and a lead end of the second discharge tube 2 through the first temperature sensing metal body and is welded and fixed, the other end of the first metal reed 4 is fixedly connected with the first sliding block 5, the first sliding block 5 is fixedly connected with one end of the first spring 3, and the other end of the first spring 3 is fixed on the fixing frame 6. One end of a second metal reed 8 is welded and fixed with a second lead end of the second discharge tube 2 through a second temperature sensing metal body, the other end of the second metal reed 8 is fixedly connected with a second sliding block 9, the second sliding block 9 is fixedly connected with one end of a second spring 7, and the other end of the second spring 7 is fixed on the fixed frame 6; the first spring 3 and the second spring 7 are both in a force accumulation state, the elastic direction of one end of the first spring 3 fixedly connected with the first slider 5 is far away from the first discharge tube 1 and the second discharge tube 2, and the elastic direction of one end of the second spring 7 fixedly connected with the second slider 9 is far away from the second discharge tube 2. In this embodiment, the characteristic that the temperature of the surge protector is high after the surge protector bears the maximum impact current is utilized to transfer heat to the first temperature sensing metal body, so that the periphery of the first temperature sensing metal body is detached, and the joint of the first metal reed 4, the first discharge tube 1 and the second discharge tube 2 is loosened. Under the action of the elastic force of the first spring 3 and the elastic force of the first reed, the first metal reed 4 is disengaged, so that the connection between the first discharge tube 1 and the second discharge tube 2 is disconnected, automatic tripping is realized, the power supply accident of a circuit is avoided, and the loss is reduced.
As shown in fig. 1 and 2, the other lead terminal of the first discharge tube 1 is used for an external phase line, i.e., L. The first metal reed 4 is used for externally connecting a neutral line, i.e., N. The other lead terminal of the second discharge tube 2 is used to externally connect a protection wire, i.e., PE. Fig. 2 shows a wiring manner in the specific application process of the present invention.
In the present embodiment, the first discharge tube 1 and the second discharge tube 2 are both multi-gap gas discharge tubes.
Referring to fig. 1, 3 to 6, a second embodiment of the present invention is:
in addition to the first embodiment, as shown in fig. 1 and 3, a fixed frame 6 is provided with a first chute 10 and a second chute 11. Wherein, first slider 5 and first spring 3 all set up on first spout 10, and the one end of first spout 10 is equipped with first enclosed construction 12, and first slider 5 is contradicted with the one end of first spring 3 and is connected, and the other end and the enclosed construction of first spring 3 are contradicted and are connected. Second slider 9 and second spring 7 all set up on second spout 11, and the one end of second spout 11 is equipped with second enclosed construction 13, and second slider 9 is contradicted with the one end of second spring 7 and is connected, and the other end and the second enclosed construction 13 of second spring 7 are contradicted and are connected. The above is some specific mounting structures inside the surge protector. The fixed frame 6, the first spring 3, the first sliding block 5 and other parts are detachably connected, so that the surge protector is convenient to mount and dismount.
In the present embodiment, as shown in fig. 1, 5 and 6, a surge protector housing is further included, and the surge protector housing further includes an upper frame 18 and a lower frame 19. Specifically, the upper frame 18 and the lower frame 19 are detachably connected to each other. The upper frame 18 is provided with a vent hole 21 for increasing the heat dissipation rate of the surge protector. The fixed frame 6 is fixed in the shell of the surge protector through elastic glue 22, so that the installation and the disassembly of the surge protector are convenient.
Referring to fig. 3 and 5, a third embodiment of the present invention is:
a surge protector according to one or the second embodiment, as shown in fig. 3, further includes a first indicator piece 14, a second indicator piece 15, a third indicator piece 16, and a fourth indicator piece 17. The second indicating sheet 15 and the first indicating sheet 14 are sequentially arranged on the first sliding block 5, and the arrangement direction is the same as the reset direction of the first spring 3. The fourth indicating sheet 17 and the third indicating sheet 16 are sequentially arranged on the first sliding block 5, and the arrangement direction is the same as the reset direction of the second spring 7.
As shown in fig. 5, transparent windows 20 are provided on the upper frame 18 at positions corresponding to the second indicator piece 15 and the fourth indicator piece 17. The transparent window 20 enables operation and maintenance personnel to rapidly and visually judge whether the surge protector fails in the process of patrol, and loss is timely reduced.
In this embodiment or other embodiments, the first indicator piece 14 and the second indicator piece 15, and the third indicator piece 16 and the fourth indicator piece 17 can be distinguished by being provided with different colors, for example, the first indicator piece 14 is red; the second indicator piece 15 is green; the third indicator piece 16 is red; the fourth indicator piece 17 is green. Thus, when the operation and maintenance personnel observe the color of red through the transparent window 20, the operation and maintenance personnel can judge that the current surge protector is failed.
To sum up, the utility model discloses a surge protector, first discharge tube, second discharge tube, first trip gear and second trip gear constitute the three-electrode surge protector of an external neutral conductor, guard wire and phase line. The first trip device can prevent surges from either the phase or neutral lines. The second trip device can prevent surges from the phase or protection lines. The single-phase protection is realized on the whole, and the circuit is timely disconnected when the surge comes, so that other equipment is protected. The physical indication structure composed of the indication sheets with different colors is convenient for operation and maintenance personnel to timely detect that the surge protector is damaged so as to timely replace the surge protector.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. A surge protector is characterized by comprising a first discharge tube, a second discharge tube, a first tripping device and a second tripping device;
a lead end of the first discharge tube and a lead end of the second discharge tube are both electrically connected with the first tripping device, and the other lead end of the second discharge tube is electrically connected with the second tripping device;
the other lead end of the first discharge tube is used for being externally connected with a phase line, the first tripping device is used for being externally connected with a neutral line, and the second tripping device is used for being externally connected with a protection line.
2. The surge protector of claim 1, wherein the first trip device comprises a first discharge tube, a second discharge tube, a first spring, a first metal reed, a first slider, a first temperature-sensitive metal body and a fixed frame, and the second trip device comprises a second spring, a second metal reed, a second slider and a second temperature-sensitive metal body;
the first discharge tube and the second discharge tube are fixed on the fixed frame, one end of a first metal reed is fixedly connected with a lead end of the first discharge tube and a lead end of the second discharge tube through the first temperature sensing metal body and is welded and fixed with the lead end of the first discharge tube and the lead end of the second discharge tube, the other end of the first metal reed is fixedly connected with a first sliding block, the first sliding block is fixedly connected with one end of a first spring, and the other end of the first spring is fixed on the fixed frame;
one end of the second metal reed is welded and fixed with a lead end of the second discharge tube far away from the first tripping device through the second temperature sensing metal body, the other end of the second metal reed is fixedly connected with the second sliding block, the second sliding block is fixedly connected with one end of the second spring, and the other end of the second spring is fixed on the fixed frame;
the first spring and the second spring are both in a force accumulation state, the elastic force direction of one end of the first spring fixedly connected with the first sliding block is far away from the first discharge tube and the second discharge tube, and the elastic force direction of one end of the second spring fixedly connected with the second sliding block is far away from the second discharge tube;
the first metal reed is used for being externally connected with a neutral line, and the second metal reed is used for being externally connected with a protection line.
3. The surge protector of claim 2, wherein the fixed frame is provided with a first chute and a second chute:
the first sliding block and the first spring are both arranged on the first sliding groove, one end of the first sliding groove is provided with a first sealing structure, the first sliding block is connected with one end of the first spring in an abutting mode, and the other end of the first spring is connected with the first sealing structure in an abutting mode;
the second slider with the second spring all sets up on the second spout, the one end of second spout is equipped with second enclosed construction, the second slider with the one end of second spring is contradicted and is connected, the other end of second spring with the second enclosed construction is contradicted and is connected.
4. The surge protector of claim 2, further comprising a first indicator piece, a second indicator piece, a third indicator piece and a fourth indicator piece;
the second indicating sheet and the first indicating sheet are sequentially arranged on the first sliding block, and the arrangement direction of the second indicating sheet and the arrangement direction of the first indicating sheet are the same as the reset direction of the first spring;
the fourth indicating sheet and the third indicating sheet are sequentially arranged on the first sliding block, and the arrangement direction of the fourth indicating sheet and the arrangement direction of the third indicating sheet are the same as the reset direction of the second spring.
5. The surge protector of claim 4, further comprising a surge protector housing, the surge protector housing further comprising an upper frame and a lower frame;
the upper frame body is detachably connected with the lower frame body.
6. The surge protector of claim 5, wherein transparent windows are provided in the upper frame at positions corresponding to the second indicator piece and the fourth indicator piece.
7. The surge protector of claim 5, wherein the upper frame has a vent hole.
8. The surge protector of claim 2, wherein the first discharge tube and the second discharge tube are both multi-gap gas discharge tubes.
9. The surge protector of claim 2, wherein the securing frame is secured within the surge protector housing by an elastomeric glue.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137619.7U CN214755522U (en) | 2020-12-23 | 2020-12-23 | Surge protector |
| PCT/CN2021/112581 WO2022134619A1 (en) | 2020-12-23 | 2021-08-13 | Surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137619.7U CN214755522U (en) | 2020-12-23 | 2020-12-23 | Surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755522U true CN214755522U (en) | 2021-11-16 |
Family
ID=78633629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023137619.7U Active CN214755522U (en) | 2020-12-23 | 2020-12-23 | Surge protector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214755522U (en) |
| WO (1) | WO2022134619A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012210009A (en) * | 2011-03-29 | 2012-10-25 | Ntt Facilities Inc | Surge protection device |
| CN206585323U (en) * | 2017-03-23 | 2017-10-24 | 菲尼克斯亚太电气（南京）有限公司 | Circuit board through-flow power supply surge protection device greatly |
| CN211127129U (en) * | 2019-12-31 | 2020-07-28 | 四川中光防雷科技股份有限公司 | Surge protector |
| CN211981500U (en) * | 2020-03-12 | 2020-11-20 | 深圳市槟城电子有限公司 | Surge protection device and electric equipment |
-
2020
- 2020-12-23 CN CN202023137619.7U patent/CN214755522U/en active Active
-
2021
- 2021-08-13 WO PCT/CN2021/112581 patent/WO2022134619A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022134619A1 (en) | 2022-06-30 |
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