CN216720902U - Surge protector - Google Patents
Surge protector Download PDFInfo
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- CN216720902U CN216720902U CN202220115992.2U CN202220115992U CN216720902U CN 216720902 U CN216720902 U CN 216720902U CN 202220115992 U CN202220115992 U CN 202220115992U CN 216720902 U CN216720902 U CN 216720902U
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Abstract
The utility model relates to a surge protector which comprises a shell and a surge protection module arranged in the shell, wherein the shell comprises a base and an upper cover arranged on the base, the surge protection module comprises a first wiring terminal arranged on one end of the base, a current conducting plate arranged on the first wiring terminal and a plurality of groups of piezoresistor assemblies electrically connected with the current conducting plate, each piezoresistor assembly comprises a piezoresistor arranged in the base and connected with the current conducting plate, a second wiring terminal arranged on the other end of the base, a conducting plate arranged on the second wiring terminal and a conductive tripping elastic sheet arranged on the conducting plate, one end of the conductive tripping elastic sheet is welded on a contact sheet of the piezoresistor, and a working state indicating mechanism in linkage fit with the conductive tripping elastic sheet is arranged on the base. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly, accurate switching-on and switching-off indication, safety and reliability.
Description
Technical Field
The utility model particularly relates to a 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 meters and communication lines. When the peak current or the voltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided. The existing surge protector adopts a plug-in structural design, the pressure-sensitive electronic module and a wiring terminal on the base are assembled by adopting a plug-in structure, the structural design is complex, the production cost is high, and the structural design of a switching-on and switching-off indicating mechanism on the existing surge protector is complex, and the switching-on and switching-off indication is unreliable. Therefore, the surge protector has the defects of unreliable performance, inconvenient assembly and unreliable opening and closing indication.
Disclosure of Invention
The surge protector aims to overcome the defects of the prior art, and is simple in structure, stable and reliable in performance, convenient and fast to assemble, accurate in switching-on and switching-off indication, safe and reliable.
In order to achieve the purpose, the surge protector comprises a shell and a surge protection module arranged in the shell, wherein the shell comprises a base and an upper cover arranged on the base, the surge protection module comprises a first wiring terminal arranged at one end of the base, a conductive plate arranged on the first wiring terminal and a plurality of groups of piezoresistor assemblies electrically connected with the conductive plate, each piezoresistor assembly comprises a piezoresistor arranged in the base and connected with the conductive plate, a second wiring terminal arranged at the other end of the base, a conductive plate arranged on the second wiring terminal and a conductive tripping elastic sheet arranged on the conductive plate, one end of each conductive tripping elastic sheet is welded on the contact sheet of the piezoresistor, and a working state indicating mechanism in linkage fit with the conductive tripping elastic sheet is arranged on the base.
The beneficial effect of above-mentioned structure is: the piezoresistor component is assembled in the base in an integrated and modularized mode, so that the piezoresistor component and the base are convenient to assemble, and the assembly is more convenient and faster. When the current generated by thunder, surge or overvoltage is too large, the conductive tripping elastic sheet generates heat, and the conductive tripping elastic sheet is separated from the contact piece, so that the surge protection function of the surge protector is realized. And operating condition indicating mechanism can play the indicating action to this surge protector's operating condition, can guarantee this surge protector's security to this surge protector has simple structure, stable performance is reliable, the convenient advantage of assembly.
Particularly, operating condition indicating mechanism including set up the instruction frame on the base, rotate the indicating wheel of setting on the instruction frame, indicating wheel one side on be provided with the pull ring that is connected with electrically conductive dropout shell fragment, the indicating wheel opposite side on be provided with the extension spring that is connected with the base, the upper cover on correspond indicating wheel department and be provided with the pilot hole, the indicating wheel on correspond pull ring department and be provided with red pilot symbol, the indicating wheel on correspond extension spring department and be provided with green pilot symbol. The working state indicating mechanism can realize the working state indication of the surge protector, when the surge protector is switched on (normally works), the green mark on the indicating wheel rotates to the indicating hole of the upper cover, thereby realizing the switching-on indication of the working state indicating mechanism; when the surge protector is disconnected, the conductive tripping elastic sheet is separated from the piezoresistor, the conductive tripping elastic sheet bounces, the pull ring loses the limitation of the conductive tripping elastic sheet, and the red mark on the indicating wheel rotates to the indicating hole of the upper cover, so that the disconnection indication of the working state indicating mechanism is realized. The structural design of the working state indicating mechanism is simple, and the indication is accurate.
Particularly, one end of the conductive tripping elastic sheet is provided with a bending part which is clamped on one end of the pull ring and forms clamping fit of the conductive tripping elastic sheet and the pull ring, and the other end of the pull ring is connected in a through hole of the indicating wheel. The conductive tripping elastic sheet is provided with a bending part clamped on the pull ring, so that the transmission of the conductive tripping elastic sheet and the pull ring can be ensured to be more reliable, and the working reliability of the surge protector can be improved.
Particularly, the base in correspond and instruct frame department to be provided with the support column, the support column on be provided with the jack, the both sides of support column on be provided with the joint lug respectively, instruct the frame on be provided with jack matched with inserted bar, the inserted bar alternate in the jack, instruct the frame on be provided with joint lug matched with draw-in groove, the draw-in groove block on the joint lug, and constitute the joint cooperation of support column and instruction frame. The indication frame is clamped on the support column in the base, so that the indication frame and the base are convenient to assemble, the assembly is more convenient, and the assembly efficiency of the surge protector is improved.
Particularly, the indicating frame is provided with a rotating shaft part, the indicating wheel is provided with a positioning hole matched with the rotating shaft part, and the rotating shaft part is inserted into the positioning hole and forms rotating connection matching of the indicating frame and the indicating wheel. The indicating wheel block is on the pivot portion of instructing the frame to be convenient for instruct the assembly of wheel and instruction frame, it is more convenient to assemble.
Particularly, the base is provided with a plurality of heat dissipation holes corresponding to the piezoresistors of each group of piezoresistor assemblies. The heat dissipation holes are formed in the seat, heat dissipation of the surge protector is facilitated, temperature rise is lower, and therefore working reliability of the surge protector can be guaranteed.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is an internal structural view of the embodiment of the present invention.
Fig. 4 is a perspective view of an indicating stand according to an embodiment of the present invention.
FIG. 5 is a perspective view of an indicator wheel according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 5, an embodiment of the present invention is a surge protector, including a housing 10, a surge protection module 20 disposed in the housing 10, the housing 10 comprises a base 11 and an upper cover 12 arranged on the base 11, the surge protection module 20 comprises a first connection terminal 21 arranged on one end of the base 11, a conductive plate 22 arranged on the first connection terminal 21, four groups of piezoresistor assemblies 30 electrically connected with the conductive plate 22, the varistor assembly 30 comprises a varistor 31 arranged in the base 11 and connected with the conductive plate 22, a second connection terminal 32 arranged at the other end of the base 11, a conductive sheet 33 arranged on the second connection terminal 32, and a conductive tripping elastic sheet 34 arranged on the conductive sheet 33, one end of the conductive tripping elastic sheet 34 is welded on the contact sheet 311 of the piezoresistor 31, the base 11 is provided with a working state indicating mechanism 40 which is in linkage fit with the conductive tripping elastic sheet 34.
As shown in fig. 2 to 5, the operating state indicating mechanism 40 includes an indicating frame 41 disposed on the base 11 and an indicating wheel 42 rotatably disposed on the indicating frame 41, a pull ring 43 connected to the conductive trip elastic sheet 34 is disposed on one side of the indicating wheel 42, a tension spring 44 connected to the base 11 is disposed on the other side of the indicating wheel 42, an indicating hole 121 is disposed on the upper cover 12 corresponding to the indicating wheel 42, a red indicating mark 421 is disposed on the indicating wheel 42 corresponding to the pull ring 43, and a green indicating mark 422 is disposed on the indicating wheel 42 corresponding to the tension spring 44. The working state indicating mechanism can realize the working state indication of the surge protector, when the surge protector is switched on (normally works), the green mark on the indicating wheel rotates to the indicating hole of the upper cover, thereby realizing the switching-on indication of the working state indicating mechanism; when the surge protector is disconnected, the conductive tripping elastic sheet is separated from the piezoresistor, the conductive tripping elastic sheet bounces, the pull ring loses the limitation of the conductive tripping elastic sheet, and the red mark on the indicating wheel rotates to the indicating hole of the upper cover, so that the disconnection indication of the working state indicating mechanism is realized. The structural design of the working state indicating mechanism is simple, and the indication is accurate. One end of the conductive tripping elastic sheet 34 is provided with a bending part 341, the bending part 341 is clamped on one end of the pull ring 43, the conductive tripping elastic sheet 34 is in clamping fit with the pull ring 43, and the other end of the pull ring 43 is connected in the through hole 423 of the indicating wheel 42. The conductive tripping elastic sheet is provided with a bending part clamped on the pull ring, so that the transmission of the conductive tripping elastic sheet and the pull ring can be ensured to be more reliable, and the working reliability of the surge protector can be improved. Base 11 in correspond and indicate frame 41 department to be provided with support column 111, support column 111 on be provided with jack 112, the both sides of support column 111 on be provided with joint lug 113 respectively, indication frame 41 on be provided with jack 112 matched with inserted bar 411, inserted bar 411 alternate in jack 112, indication frame 41 on be provided with joint lug 113 matched with draw-in groove 412, draw-in groove 412 block on joint lug 113, and constitute support column 111 and indicate the joint cooperation of frame 41. The indication frame is clamped on the support column in the base, so that the indication frame and the base are convenient to assemble, the assembly is more convenient, and the assembly efficiency of the surge protector is improved. The indicating frame 41 is provided with a rotating shaft part 413, the indicating wheel 42 is provided with a positioning hole 424 matched with the rotating shaft part 413, and the rotating shaft part 413 penetrates through the positioning hole 424 to form the rotating connection matching of the indicating frame 41 and the indicating wheel 42. The indicating wheel block is on the pivot portion of instructing the frame to be convenient for instruct the assembly of wheel and instruction frame, it is more convenient to assemble.
As shown in fig. 2, the base 11 is provided with a plurality of heat dissipation holes 114 corresponding to the piezoresistors 31 of each group of the piezoresistor assemblies 30. The heat dissipation holes are formed in the seat, heat dissipation of the surge protector is facilitated, temperature rise is lower, and therefore working reliability of the surge protector can be guaranteed.
The piezoresistor component is assembled in the base in an integrated and modularized mode, so that the piezoresistor component and the base are convenient to assemble, and the assembly is more convenient and faster. When the current generated by thunder, surge or overvoltage is too large, the conductive tripping elastic sheet generates heat, and the conductive tripping elastic sheet is separated from the contact piece, so that the surge protection function of the surge protector is realized. And operating condition indicating mechanism can play the indicating action to this surge protector's operating condition, can guarantee this surge protector's security to this surge protector has simple structure, stable performance is reliable, the convenient advantage of assembly.
Claims (6)
1. The utility model provides a surge protector, includes the casing, sets up the surge protection module in the casing, its characterized in that: the shell comprises a base, an upper cover arranged on the base, the surge protection module comprises a first wiring terminal arranged at one end of the base, a current conducting plate arranged on the first wiring terminal, and a plurality of groups of piezoresistor assemblies electrically connected with the current conducting plate, each piezoresistor assembly comprises a piezoresistor arranged in the base and connected with the current conducting plate, a second wiring terminal arranged at the other end of the base, a conducting plate arranged on the second wiring terminal, and a conductive tripping elastic sheet arranged on the conducting plate, wherein one end of the conductive tripping elastic sheet is welded on the contact sheet of the piezoresistor, and the base is provided with a working state indicating mechanism in linkage fit with the conductive tripping elastic sheet.
2. The surge protector of claim 1, wherein: the operating condition indicating mechanism comprises an indicating frame arranged on the base and an indicating wheel rotatably arranged on the indicating frame, wherein a pull ring connected with the conductive tripping elastic sheet is arranged on one side of the indicating wheel, a tension spring connected with the base is arranged on the other side of the indicating wheel, an indicating hole is formed in the position, corresponding to the indicating wheel, of the upper cover, a red indicating mark is arranged in the position, corresponding to the pull ring, of the indicating wheel, and a green indicating mark is arranged in the position, corresponding to the tension spring, of the indicating wheel.
3. The surge protector of claim 2, wherein: one end of the conductive tripping elastic sheet is provided with a bending part which is clamped on one end of the pull ring and forms clamping fit of the conductive tripping elastic sheet and the pull ring, and the other end of the pull ring is connected in the through hole of the indicating wheel.
4. A surge protector according to claim 2 or 3, wherein: the base in correspond and instruct frame department to be provided with the support column, the support column on be provided with the jack, the both sides of support column on be provided with the joint lug respectively, instruct the frame on be provided with jack matched with inserted bar, the inserted bar alternate in the jack, instruct the frame on be provided with joint lug matched with draw-in groove, the draw-in groove block on the joint lug, and constitute the joint cooperation of support column and instruction frame.
5. A surge protector according to claim 2 or 3, wherein: the indicating frame on be provided with pivot portion, the indicating wheel on be provided with pivot portion matched with locating hole, pivot portion alternate in the locating hole, and constitute the rotation connection cooperation of indicating frame and indicating wheel.
6. The surge protector of claim 1 or 2, wherein: the base is provided with a plurality of heat dissipation holes corresponding to the piezoresistors of each group of piezoresistor components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220115992.2U CN216720902U (en) | 2022-01-17 | 2022-01-17 | Surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220115992.2U CN216720902U (en) | 2022-01-17 | 2022-01-17 | Surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720902U true CN216720902U (en) | 2022-06-10 |
Family
ID=81891501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220115992.2U Active CN216720902U (en) | 2022-01-17 | 2022-01-17 | Surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216720902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389248A (en) * | 2022-01-17 | 2022-04-22 | 浙江申明电器有限公司 | Surge protector |
-
2022
- 2022-01-17 CN CN202220115992.2U patent/CN216720902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389248A (en) * | 2022-01-17 | 2022-04-22 | 浙江申明电器有限公司 | Surge protector |
| CN114389248B (en) * | 2022-01-17 | 2024-10-18 | 浙江申明电器有限公司 | Surge protector |
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