CN222052600U - Large-flux surge protector - Google Patents
Large-flux surge protector Download PDFInfo
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- CN222052600U CN222052600U CN202420632060.4U CN202420632060U CN222052600U CN 222052600 U CN222052600 U CN 222052600U CN 202420632060 U CN202420632060 U CN 202420632060U CN 222052600 U CN222052600 U CN 222052600U
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- surge protector
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- piezoresistor
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- 230000001012 protector Effects 0.000 title claims abstract description 56
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001419 dependent effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of surge protectors and discloses a large-flux surge protector, which comprises a fixed base, wherein the front side of the fixed base is provided with a shell, the center position of the shell is fixedly connected with an assembly shell, a containing cavity inside the assembly shell is internally embedded with a surge protector main body, the surge protector main body comprises two groups of piezoresistor chips and connecting pieces, the two groups of piezoresistor chips are arranged side by side and fixedly connected through the connecting pieces, the two groups of piezoresistor chips are connected with a gas discharge tube in series, the fixed base is mutually matched with the shell to form a shell with smaller specification, so that the protector can be suitable for various installation environments and space limitations, high-efficiency surge protection is provided, meanwhile, the piezoresistor chips and the gas discharge tube are combined together in parallel in a serial connection mode to form a pressure-sensitive serial gas discharge mode, and the mode can fully utilize the advantages of the piezoresistor chips and improve the surge protection effect.
Description
Technical Field
The utility model relates to the technical field of surge protectors, in particular to a surge protector with large through flow.
Background
With the popularization of modern electronic equipment and the complexity of a power system, damage to equipment caused by overvoltage and surge currents from various sources including lightning strokes, power grid switching, abrupt power load changes and the like is a serious threat, the overvoltage and the surge currents can cause equipment damage and data loss, even threaten personal safety, a surge protector is a key electronic equipment for protecting other equipment from the overvoltage and the surge currents, and under the popularization environment of the modern electronic equipment, the requirements on the reliability and the stability of the equipment are higher and higher, so that the importance of the surge protector is also highlighted.
The prior art has the following defects: the conventional surge protector generally has a low current capacity, so that the surge protector has poor effect in the face of large-scale overvoltage and surge current, cannot provide enough protection, has certain limitations in installation mode and scene due to a large shell, and cannot adapt to specific installation requirements or environments, so that the surge protector with large current capacity needs to be designed.
Disclosure of utility model
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a surge protector with large through-flow to solve the problems in the above-mentioned background art.
The utility model provides the following technical scheme: the surge protector comprises a fixed base, wherein the front side of the fixed base is provided with a shell, the center position of the shell is fixedly connected with an assembly shell, a surge protector main body is embedded in a containing cavity inside the assembly shell, the surge protector main body comprises two groups of piezoresistor chips and connecting pieces, the two groups of piezoresistor chips are arranged side by side and fixedly connected through the connecting pieces, and the two groups of piezoresistor chips are connected with a gas discharge tube in series.
Preferably, the unable adjustment base and shell looks adaptation, unable adjustment base is last to be dismantled and to be connected with the shell, the wiring port has all been seted up at the upper and lower both ends of shell front side.
Preferably, a limiting groove is formed in one side, far away from the shell, of the fixing base, and a first buckle is arranged at the bottom of the limiting groove.
Preferably, the edge of the rear side of the shell is fixedly connected with a second buckle, and the second buckle is connected to the fixed base in a clamping manner.
Preferably, the gas discharge tube is fixedly connected with two connecting arms, and the two connecting arms are respectively and electrically connected with the separation electrodes of the two groups of piezoresistor chips.
Preferably, a status indicator light is arranged on the front side of the assembly shell, and the status indicator light is electrically connected with the surge protector main body.
The utility model has the technical effects and advantages that:
The utility model forms a shell with smaller specification by arranging the fixed base and the shell to be matched with each other, so that the protector can be suitable for various installation environments and space limitations, and can be conveniently integrated into the existing electrical system both indoors and outdoors to provide high-efficiency surge protection.
According to the surge protector, the surge protector body is arranged, the two groups of piezoresistor chips are combined with the gas discharge tube in parallel in a serial connection mode through the connecting arm to form a pressure-sensitive serial gas discharge mode, the maximum flow rate of the pressure-sensitive serial gas discharge mode can reach 120KA, when surge impact arrives, the piezoresistor chips firstly respond and limit the rising of voltage, then the gas discharge tube discharges when necessary, a circuit is further protected, and the advantages of the two pressure-sensitive serial gas discharge mode can be fully utilized, so that the surge protection effect is improved.
According to the surge protector, the state indicator lamp is arranged and connected with the surge protector main body through the electric connection, so that the working state of the protector can be reflected in real time, a user can find potential safety hazards in time, and corresponding measures are taken for prevention. This helps to reduce equipment damage and malfunctions due to surge impact, improving the stability and reliability of the overall electrical system.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic side view of the present utility model.
Fig. 3 is a schematic structural view of a surge protector body according to the present utility model.
The reference numerals are: 1. a fixed base; 101. a limit groove; 102. the first buckle is buckled; 2. a housing; 201. a second buckle; 3. assembling a shell; 4. a surge protector body; 401. a varistor chip; 402. a connecting piece; 403. a gas discharge tube; 404. a connecting arm; 5. a wiring port; 6. status indicator lights.
Detailed Description
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the large-flow-rate surge protector according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.
The utility model provides a surge protector with large through flow, as shown in fig. 1-3, which comprises a fixed base 1, wherein the front side of the fixed base 1 is provided with a shell 2, the center position of the shell 2 is fixedly connected with an assembly shell 3, a surge protector main body 4 is embedded in a containing cavity in the assembly shell 3, the surge protector main body 4 comprises two groups of piezoresistor chips 401 and a connecting piece 402, the two groups of piezoresistor chips 401 are arranged side by side and fixedly connected through the connecting piece 402, and the two groups of piezoresistor chips 401 are connected in series with a gas discharge tube 403.
Further, unable adjustment base 1 and shell 2 looks adaptation, unable adjustment base 1 is last to be connected with shell 2, unable adjustment base 1 after the installation is connected constitutes a 27 mm's casing with shell 2, make this protector can be applicable to multiple installation environment and space restriction, whether indoor or outdoor, it can both conveniently integrate into current electrical system, provide efficient surge protection, wiring port 5 has all been seted up at the upper and lower both ends of shell 2 front side, through wiring port 5, make this protector conveniently insert in the electrical system, realize the protection to electrical equipment and circuit.
Further, the fixed base 1 is provided with the limit groove 101 on one side far away from the shell 2, the first buckle 102 is arranged at the bottom of the limit groove 101, the fixed base 1 can be ensured to be accurately installed at a preset position by arranging the limit groove 101, the positioning effect is further enhanced by the first buckle 102, and the base is prevented from slipping or misplacing in the installation process.
Further, the second buckle 201 is fixedly connected to the edge of the rear side of the housing 2, the second buckle 201 is connected to the fixed base 1 in a clamping mode, the mounting stability of the housing 2 and the fixed base 1 is improved through the second buckle 201, detachable connection is achieved, and the surge protector main body 4 is convenient to inspect and maintain subsequently.
Further, two connecting arms 404 are fixedly connected to the gas discharge tube 403, the two connecting arms 404 are respectively and electrically connected with the separation electrodes of the two groups of piezoresistor chips 401, the maximum flow rate of the piezoresistor chips 401 can reach 200kA, the two groups of piezoresistor chips 401 are combined with the gas discharge tube 403 in a serial connection mode through the connecting arms 404 to form a pressure-sensitive serial gas discharge mode, the maximum flow rate of the pressure-sensitive serial gas discharge mode can reach 120kA, when surge impact arrives, the piezoresistor chips 401 firstly respond and limit the rise of voltage, then the gas discharge tube 403 discharges when necessary, a circuit is further protected, and the serial connection mode can fully utilize the advantages of the two piezoresistor chips and improve the surge protection effect.
Further, the front side of the assembly shell 3 is provided with a status indicator lamp 6, the status indicator lamp 6 is electrically connected with the surge protector body 4, the status indicator lamp 6 is connected with the surge protector body 4 through the electrical connection, the working status of the protector can be reflected in real time, when the surge protector body 4 works normally, the status indicator lamp 6 can be green or blue, the system is in a safe state, and when the surge protector body 4 suffers overvoltage or overcurrent impact, or other faults occur, the status indicator lamp 6 can be changed into red or flash, so that a user can be warned to take measures timely.
The working principle of the utility model is as follows: when the surge protector is used, the protector is firstly mounted at a proper position of an electric system through the fixing base 1, the protector can be stably fixed at a preset position by utilizing the limiting groove 101 and the first buckle 102 of the fixing base 1, then, a circuit of the electric system is connected into the surge protector main body 4 through the wiring port 5 at the front side of the shell 2, when the electric system is subjected to surge impact, the voltage-dependent resistor chip 401 in the surge protector main body 4 responds first, the voltage rise is limited by utilizing the characteristic of high-pass flow of the voltage-dependent resistor chip, if the voltage-dependent resistor chip 401 cannot completely absorb surge energy, the gas discharge tube 403 can further discharge, and the circuit is jointly protected with the voltage-dependent resistor chip 401 through a serial connection mode. The state indicator lamp 6 can display the working state of the surge protector in real time, so that the surge protector is convenient for a user to monitor and maintain, the surge protector with large through flow adopts a 27mm shell design, is small in size, is suitable for various installation environments and space limitations, provides high-efficiency surge protection, and ensures the stable operation of an electrical system.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420632060.4U CN222052600U (en) | 2024-03-29 | 2024-03-29 | Large-flux surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420632060.4U CN222052600U (en) | 2024-03-29 | 2024-03-29 | Large-flux surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222052600U true CN222052600U (en) | 2024-11-22 |
Family
ID=93504011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420632060.4U Active CN222052600U (en) | 2024-03-29 | 2024-03-29 | Large-flux surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222052600U (en) |
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2024
- 2024-03-29 CN CN202420632060.4U patent/CN222052600U/en active Active
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