CN220775391U - Surge protector integrated structure - Google Patents
Surge protector integrated structure Download PDFInfo
- Publication number
- CN220775391U CN220775391U CN202322435900.6U CN202322435900U CN220775391U CN 220775391 U CN220775391 U CN 220775391U CN 202322435900 U CN202322435900 U CN 202322435900U CN 220775391 U CN220775391 U CN 220775391U
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- China
- Prior art keywords
- integrated
- piece
- decoupler
- discharge gap
- piezoresistor
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- 230000001012 protector Effects 0.000 title claims abstract description 19
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 238000005476 soldering Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 description 12
- 208000025274 Lightning injury Diseases 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a surge protector integrated structure, which comprises an integrated plate made of an insulating material, wherein one surface of the integrated plate is provided with a discharge gap integrated piece and a decoupler arranged on the adjacent side of the discharge gap integrated piece, one end of the discharge gap integrated piece is electrically connected with the decoupler, the other end of the discharge gap integrated piece is electrically connected with an input end, a flat piezoresistor is arranged on the surface of the integrated plate opposite to the surface of the discharge gap integrated piece, one end of the piezoresistor is electrically connected with one end of the decoupler, the other end of the piezoresistor is electrically connected with the input end, and the other end of the decoupler is connected with a grounding end. The utility model has the characteristics that when the piezoresistor exists in a high voltage area formed by the decoupler, the piezoresistor is prevented from being damaged by high-voltage arc, and meanwhile, the piezoresistor, the discharge gap integrated piece and the decoupler are connected in parallel, so that the stability of multistage high-voltage surge protection can be ensured, and the like.
Description
Technical Field
The utility model relates to a surge protector integrated structure, and belongs to the technical field of electronic devices.
Background
In order to ensure the normal circuit, the existing surge protector generally adopts multi-stage protection. For example, the T1 class surge protector is mainly used for a main distribution of a power system or the like for protecting equipment directly connected to the power system. It can bear higher surge current and has higher energy absorbing capacity. The T2-level surge protector is mainly used for positions such as distribution boards of power systems and used for protecting equipment in branch circuits. Its surge current carrying capacity is lower than that of the T1 class, and can provide lower residual voltage and energy absorbing capacity. A t1+t2 composite surge protector is a combination of T1 and T2 class surge protectors to provide more comprehensive surge protection.
The utility model discloses a surge protector in chinese patent application of publication No. CN101431235a, which comprises a base, the interval is equipped with graphite group, pressure-sensitive module, spiral inductance and baffle on the base, graphite group has first electrode and second electrode, spiral inductance has first link and second link, first electrode and first link electric connection, pressure-sensitive module establishes ties between second electrode and second link, in first link and the series connection of second link insert electrical apparatus working circuit, second electrode and zero line electric connection.
The piezoresistor (i.e. the pressure sensitive module) and the decoupler (i.e. the spiral inductor) in the above-mentioned comparison document are positioned on the same side of the separator and are close to each other, and the piezoresistor and the decoupler are close to each other, so that a high voltage area is easily formed on the side due to the existence of the decoupler, thereby generating a high voltage arc, causing the piezoresistor to be damaged due to the fact that the piezoresistor cannot bear high voltage, and affecting the normal working and use of the surge protector.
Disclosure of Invention
The utility model aims to provide a surge protector integrated structure, which solves the problems that a piezoresistor in the prior art is easy to bear high-voltage arc and cause damage and the like.
The technical aim of the utility model is mainly solved by the following technical scheme: the utility model provides a surge protector integrated configuration, includes the integrated plate that adopts insulating material to make, the one side of integrated plate is equipped with discharge gap integrated piece and locates the decoupler of discharge gap integrated piece adjacent side, the one end and the decoupler electricity of discharge gap integrated piece are connected, the other end and the input of discharge gap integrated piece are connected, be equipped with platykurtic piezo-resistor on the face opposite to the face that discharge gap integrated piece is located on the integrated plate, the one end and the one end electricity of decoupler of piezo-resistor are connected, the other end and the input electricity of piezo-resistor are connected, the other end and the ground connection of decoupler are connected; the discharging gap integrated piece and the decoupler are arranged on one surface of the integrated plate, the piezoresistor is arranged on the other surface of the integrated plate, the decoupler and the piezoresistor are effectively isolated, the mutual approaching between the decoupler and the piezoresistor can be avoided, the piezoresistor is prevented from being damaged by high-voltage arc when the piezoresistor exists in a high-voltage area formed by the decoupler, meanwhile, the piezoresistor is connected with the discharging gap integrated piece and the decoupler in parallel, the stable realization of multistage high-voltage surge protection can be ensured, and meanwhile, the structure is simple, the volume is smaller, and the use is more convenient and practical.
Preferably, a coaming surrounding the piezoresistor is arranged on the surface of the periphery of the piezoresistor, which corresponds to the integrated plate, and the coaming and the integrated plate are integrally formed; above-mentioned setting of bounding wall to further form the isolation with piezo-resistor and decoupler and discharge gap integrated piece, carry out insulating treatment, improve isolated effect, avoid the piezo-resistor to receive high voltage arc influence and take place the damage, the reinforcing security, bounding wall and integrated board integrated into one piece simultaneously, reduced structural cost, and the structure is more reliable and stable.
Preferably, the discharge gap integrated piece comprises a fixed outer box connected with the integrated board and a graphite gap group arranged in the fixed outer box, and the decoupler is arranged at one side, close to the grounding end, of the outer part of the fixed outer box; the fixed outer box can surround and protect the graphite gap group inside the fixed outer box, plays an insulating role, avoids arc influence between the graphite gap group and the decoupler, and is convenient to reliably fix the graphite gap group on the integrated board through the fixed outer box.
Preferably, a welding piece is arranged at one end of the piezoresistor, which is connected with the input end, a tripping piece is connected at the end part of the welding piece in a soldering way, a movable block which extends downwards and is connected with the tripping piece is arranged at the top of the integrated plate, the outer side of the tripping piece is electrically connected with the input end, a micro switch for outputting an on-off signal is arranged at the bottom of the integrated plate, and a contact end which can be abutted with the micro switch is arranged at the bottom end of the movable block; the welding piece and the tripping piece are connected through soldering, so that after the temperature of the high voltage is increased, the piezoresistor is heated and separated from the tripping piece and the welding piece, the piezoresistor and the input end are disconnected, and a disconnection signal is transmitted through the micro switch to inform related personnel, the movable block can form linkage with the micro switch, the signal transmission is realized through the contact and the separation of the contact end and the micro switch, and the instantaneity of information transmission when the tripping piece is disconnected is ensured.
Preferably, a guide rail for guiding the movement of the tripping piece is arranged at the top of the integrated plate, a guide block capable of moving in the guide rail is arranged at the top of the movable block, and the side edge of the movable block is connected with the integrated plate through a reset spring; the cooperation of above-mentioned guide rail and guide block to be convenient for fix a position the movable block, thereby fix the tripping piece, guarantee that the welding of tripping piece and weldment is firm, the back is released to the tripping piece simultaneously, accessible reset spring's effect makes the movable block shift along the guide rail is automatic, separates with micro-gap switch, realizes the transmission of signal.
Therefore, the utility model has the characteristics that when the piezoresistor exists in a high voltage area formed by the decoupler, the piezoresistor is prevented from being damaged by high voltage arc, and meanwhile, the piezoresistor, the discharge gap integrated piece and the decoupler are connected in parallel, so that the stability of multistage high voltage surge protection can be ensured, and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a part of the structure in fig. 1.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
As shown in fig. 1-2, an integrated structure of a surge protector comprises an integrated board 1 made of an insulating material, wherein one surface of the integrated board 1 is provided with a discharge gap integrated piece 2 and a decoupler 3 arranged on the adjacent side of the discharge gap integrated piece 2, one end of the discharge gap integrated piece 2 is electrically connected with the decoupler 3, the other end of the discharge gap integrated piece 2 is electrically connected with an input end 21, a flat piezoresistor 4 is arranged on the surface of the integrated board 1 opposite to the surface of the discharge gap integrated piece 2, one end of the piezoresistor 4 is electrically connected with one end of the decoupler 3, the other end of the piezoresistor 4 is electrically connected with the input end 21, the other end of the decoupler 3 is connected with a grounding end 31, a surrounding plate 11 surrounding the piezoresistor 4 is arranged on the surface of the periphery of the piezoresistor 4 corresponding to the integrated board 1, the surrounding plate 11 is integrally formed with the integrated board 1, the discharge gap integrated piece 2 comprises a fixed outer box 22 connected with the integrated board 1 and a graphite gap group 23 arranged inside the fixed outer box 22, and the decoupler 3 is arranged on one side of the fixed outer box 22, which is close to the grounding end 31.
The discharge gap integrated piece is fixed on one surface of the integrated board and is connected with the decoupler through a wire, the decoupler is electrically connected with the grounding end, the discharge gap is electrically connected with the input end to form a series structure, one end of the piezoresistor is connected with the decoupler, the other end of the piezoresistor is electrically connected with the input end, a parallel structure is formed between the decoupler and the discharge gap integrated piece, the surrounding plate surrounds the periphery of the piezoresistor, the welding piece is surrounded, the welding piece is integrally formed with the integrated board, the fixed outer box is fixed on the integrated board, the graphite gap group is fixed inside the fixed outer box, the graphite gap group is electrically connected with the decoupler, and the decoupler is electrically connected with the grounding end.
When the transient high voltage reaches the starting range, the piezoresistor rapidly performs low-current linear discharge to the grounding end; and if the lightning stroke pulse voltage continuously rises to reach the starting range of the multi-stage discharge gap integrated piece, the discharge gap integrated piece rapidly discharges the lightning stroke pulse voltage with large flux to the grounding end, once the discharge gap integrated piece starts discharging, the lightning stroke pulse current flowing through the piezoresistor is rapidly absorbed by the discharge gap integrated piece and discharges the large flux to the ground through the decoupler, and the rest weak linear flux discharges the ground through the piezoresistor.
As shown in fig. 1-2, a welding part 12 is arranged at one end of the piezoresistor 4 connected with an input end 21, a trip piece 13 is connected at the end part of the welding part 12 in a soldering manner, a movable block 14 which extends downwards and is connected with the trip piece 13 is arranged at the top of the integrated board 1, the outer side of the trip piece 1313 is electrically connected with the input end 21, a micro switch 15 for outputting an on-off signal is arranged at the bottom of the integrated board 1, a contact end 141 which can be abutted with the micro switch 15 is arranged at the bottom of the movable block 14, a guide rail 16 for guiding the movement of the trip piece 13 is arranged at the top of the integrated board 1, a guide block 142 which can move in the guide rail 16 is arranged at the top of the movable block 14, and the side edge of the movable block 14 is connected with the integrated board 1 through a reset spring 17.
One end of the piezoresistor is connected with the decoupler, the other end of the piezoresistor is connected with the welding piece, the welding piece is connected with the end part of the tripping piece in a soldering way, the tripping piece is connected with the movable block, the top end of the movable block is connected to the top of the integrated plate, the bottom end of the movable block is abutted to the micro switch, meanwhile, the side edge of the movable block is connected with the input end, the guide block at the top of the movable block is positioned in the guide rail, the reset spring tightens the movable block, and when the welding piece is disconnected from the tripping piece, the reset spring retracts and drives the movable block to move along the guide rail, so that the contact end at the bottom of the movable block is separated from the micro switch; the structure is internally provided with an over-temperature separation and fault remote signaling output linkage mechanism, when the temperature exceeds a protection value, the reset spring drives the movable block to move, and the movable block is separated from the micro switch, so that the state of a remote signaling output port switch signal is changed.
Claims (5)
1. A surge protector integrated structure, characterized by: including integrated board (1) that adopts insulating material to make, the one side of integrated board (1) is equipped with discharge gap integrated piece (2) and locates decoupler (3) of discharge gap integrated piece (2) adjacent side, the one end and the decoupler (3) electricity of discharge gap integrated piece (2) are connected, the other end and the input (21) electricity of discharge gap integrated piece (2) are connected, be equipped with platykurtic piezo-resistor (4) on the face opposite with the face that discharge gap integrated piece (2) is located on integrated board (1), the one end and the one end electricity of decoupler (3) of piezo-resistor (4) are connected, the other end and the input (21) electricity of piezo-resistor (4) are connected, the other end and the earthing terminal (31) of decoupler (3) are connected.
2. The surge protector integrated structure of claim 1, wherein: the surface of the periphery of the piezoresistor (4) corresponding to the integrated board (1) is provided with a coaming (11) surrounding the piezoresistor (4), and the coaming (11) and the integrated board (1) are integrally formed.
3. The surge protector integrated structure of claim 1, wherein: the discharge gap integration piece (2) comprises a fixed outer box (22) connected with the integrated board (1) and a graphite gap group (23) arranged in the fixed outer box (22), and the decoupler (3) is arranged on one side, close to the grounding end (31), of the outer side of the fixed outer box (22).
4. The surge protector integrated structure of claim 1, wherein: the one end that is connected with input (21) on piezo-resistor (4) is equipped with weldment (12), weldment (12) tip soldering is connected with tripping piece (13), integrated board (1) top is equipped with downwardly extending and movable block (14) be connected with tripping piece (13), tripping piece (13) (13) outside and input (21) electricity are connected, integrated board (1) bottom is equipped with micro-gap switch (15) that are used for exporting the break-make signal, movable block (14) bottom is equipped with contact end (141) that can with micro-gap switch (15) butt.
5. The surge protector integrated structure of claim 4, wherein: the top of integrated board (1) is equipped with guide rail (16) to the removal direction of tripping device (13), movable block (14) top be equipped with can be in guide rail (16) in guide block (142), be connected through reset spring (17) between the side of movable block (14) and integrated board (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322435900.6U CN220775391U (en) | 2023-09-08 | 2023-09-08 | Surge protector integrated structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322435900.6U CN220775391U (en) | 2023-09-08 | 2023-09-08 | Surge protector integrated structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220775391U true CN220775391U (en) | 2024-04-12 |
Family
ID=90610291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322435900.6U Active CN220775391U (en) | 2023-09-08 | 2023-09-08 | Surge protector integrated structure |
Country Status (1)
Country | Link |
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CN (1) | CN220775391U (en) |
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2023
- 2023-09-08 CN CN202322435900.6U patent/CN220775391U/en active Active
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