CN216904249U - Isolated lightning protection device with current-limiting protection function - Google Patents
Isolated lightning protection device with current-limiting protection function Download PDFInfo
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- CN216904249U CN216904249U CN202220540680.6U CN202220540680U CN216904249U CN 216904249 U CN216904249 U CN 216904249U CN 202220540680 U CN202220540680 U CN 202220540680U CN 216904249 U CN216904249 U CN 216904249U
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Abstract
The utility model discloses an isolated lightning protection device with a current-limiting protection function, and relates to the related technical field of electrical equipment. The lightning protection device comprises a box body, a circuit board, a piezoresistor and a connecting block, wherein the circuit board is fixed at the inner bottom of the box body, an isolated lightning protection device main body is fixed at one side of the top of the circuit board, the piezoresistor is arranged at one side, away from the isolated lightning protection device main body, of the top of the circuit board, two rows of a plurality of mounting wires with equal intervals are fixed at one side, close to the piezoresistor, of the isolated lightning protection device main body, and the connecting block is connected with a mounting plate through a clamping plate. The utility model solves the problems that the existing isolated lightning protection device can not quickly remove line faults and can not adapt to installation guide rails of various types by arranging the box body, the circuit board, the piezoresistor and the connecting block, so that the isolated lightning protection device can better remove the line faults when in use and can be better suitable for use and installation of various electrical equipment.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, and particularly relates to an isolated lightning protection device with a current-limiting protection function.
Background
Isolated lightning protection technology, indicate in the electronic information system, avoid the adopted one kind of thunder and lightning invasion to contain the power isolation, ground isolation, the protection system of the unit of releasing and grounding body, its essence is through keeping apart the inhibitor, reduces the thunder and lightning impulse strength who gets into the electronic electrical equipment system, releases lightning energy to ground through the unit of releasing and grounding body simultaneously, realizes ultralow residual voltage, super residual current reaches electronic electrical equipment lightning protection effect, but it still has following drawback in the in-service use:
1. when the existing isolated lightning protection device is used, the difficulty is high when the fault caused by the aging or the failure of the connecting circuit of the isolated lightning protection device is checked, and the fault of the circuit cannot be eliminated quickly;
2. the existing isolated lightning protection device has poor adaptability during installation, can not be quickly installed, and can not adapt to installation guide rails of various models.
Therefore, the existing isolated lightning protection device cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an isolated lightning protection device with a current-limiting protection function, which solves the problems that the existing isolated lightning protection device cannot rapidly remove line faults and cannot adapt to installation guide rails of various types by arranging a box body, a circuit board, a piezoresistor and a connecting block.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to an isolated lightning protection device with a current-limiting protection function, which comprises a box body, a circuit board, a piezoresistor and a connecting block, wherein the circuit board is fixed at the inner bottom of the box body, an isolated lightning protection device main body is fixed at one side of the top of the circuit board, the piezoresistor is arranged at one side of the top of the circuit board, which is far away from the isolated lightning protection device main body, two rows of a plurality of mounting wires with equal intervals are fixed at one side of the isolated lightning protection device main body, which is close to the piezoresistor, and the connecting block is connected with a mounting plate through a clamping plate.
Further, four corners on box body inner wall upper portion all are fixed with the installation ear, the lower part of box body both sides all is fixed with connecting wire, and the box body passes through connecting wire and the electrical equipment working component electric connection that needs the isolated lightning protection.
Further, the one end that isolated lightning protection device main part was kept away from to the installation wire is fixed with calliper, the top of circuit board and isolated lightning protection device main part all is fixed with the mount near one side of piezo-resistor, calliper card on the installation wire is on the mount, through calliper and circuit board electric connection on the installation wire for isolated lightning protection device main part and circuit board electric connection.
Furthermore, the lower part of the piezoresistor is fixed with two pins, the lower part of the pin is fixed with a connecting seat, the bottom end of the connecting seat is fixed at the top of the circuit board, the piezoresistor is connected to the connecting seat through the pins, and then the connecting seat is connected with the circuit board, so that the piezoresistor is connected to the circuit board.
Further, the bottom of connecting block is provided with the mounting panel, the mounting panel top at connecting block both sides is fixed with the cardboard, it has a plurality of installation screws to peg graft on the cardboard, in the screw in connecting block behind the installation screw inserted the cardboard, a plurality of trompils have all been seted up to the top both sides of mounting panel through, and the connecting block passes through the mounting panel and installs inside electrical equipment.
Furthermore, the top of the box body is provided with a top plate, four corners of the top plate are all inserted with fixing screws, the fixing screws extend out of the top plate after being inserted into the top plate, the box body is in threaded connection with the fixing screws extending out of the top plate through mounting lugs, and the top of the box body is sealed through the top plate.
The utility model has the following beneficial effects:
1. the utility model solves the problem that the existing isolated lightning protection device can not rapidly remove the line fault by arranging the box body, the circuit board and the piezoresistor, when the using function of the isolated lightning protection device main body on the circuit board is damaged, two groups of installation wires, one group of the installation wires and the other group of the installation wires are used as backup wires, and whether the used wires are damaged or not is detected by connecting the detection equipment with two groups of calipers which are installed on the Xian and correspond to each other, so that the possibility of line damage can be rapidly checked after the isolated lightning protection device breaks down in the actual using process, and the checking speed of the using fault of the isolated lightning protection device is accelerated.
2. The utility model solves the problem that the existing isolated lightning protection device can not adapt to installation guide rails of various types by arranging the box body and the connecting block, the box body is sealed by the top plate, and when in use, the connecting block is connected with the installation plate by the clamping plate, the clamping plate is clamped on the installation guide rail of the electrical equipment, and then the clamping plate is screwed on the installation guide rail after a screw is inserted into the opening, when facing the installation guide rails in different electrical equipment, the installation screw is dismounted from the connecting block, and the installation plates with different widths are replaced to adapt to the installation of different installation guide rails, so that the utility model can adapt to the installation of the installation guide rails in various electrical equipment, and the installation convenience of the utility model is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top cross-sectional perspective view of the assembled structure of the present invention;
FIG. 2 is a perspective view of the cassette structure of the present invention;
FIG. 3 is a perspective view of the circuit board structure of the present invention;
FIG. 4 is a perspective view of a varistor construction of the present invention;
FIG. 5 is a perspective view of the connection block structure of the present invention;
FIG. 6 is a perspective view of the top plate construction of the present invention;
fig. 7 is a perspective view of the complete appearance structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a box body; 101. mounting lugs; 102. connecting a lead; 200. a circuit board; 201. an isolated lightning protection device body; 202. installing a lead; 203. a caliper; 204. a fixed mount; 300. a voltage dependent resistor; 301. a pin; 302. a connecting seat; 400. connecting blocks; 401. mounting a plate; 402. clamping a plate; 403. mounting screws; 404. opening a hole; 500. a top plate; 501. and fixing the screw.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-7, the utility model is an isolated lightning protection device with current-limiting protection function, comprising a box 100, a circuit board 200, a varistor 300 and a connecting block 400, wherein the circuit board 200 is fixed at the bottom of the box 100, the circuit board 200 and the varistor 300 are connected inside the box 100, the isolated lightning protection device main body 201 and the varistor 300 are connected inside the box 100 through the circuit board 200, the isolated lightning protection device main body 201 is fixed at one side of the top of the circuit board 200, the isolated lightning protection device main body 201 provides lightning protection function, the varistor 300 is arranged at one side of the top of the circuit board 200 far from the isolated lightning protection device main body 201, the varistor 300 prevents the over-large current from being transmitted to the isolated lightning protection device main body 201 through the varistor 300, two rows of a plurality of equidistant installation wires 202 and two groups of installation wires 202 are fixed at one side of the isolated lightning protection device main body 201 near the varistor 300, one group is used as a used lead, the other group is used as a backup of a lead used for installation, the used lead is used as a detection point for detecting whether the used lead is damaged or not in the detection process, the used lead is used for replacing the original installation lead 202 after being damaged, the connecting block 400 is connected with an installation plate 401 through a clamping plate 402, and the installation plate 401 clamps the utility model on an installation rail in the electrical equipment.
As shown in fig. 1-4, four corners of the upper portion of the inner wall of the box 100 are all fixed with mounting lugs 101, the lower portions of two sides of the box 100 are all fixed with connecting wires 102, and the box 100 is electrically connected with a device to be protected against lightning through the connecting wires 102;
a caliper 203 is fixed at one end of the installation wire 202 far away from the isolated lightning protector main body 201, the caliper 203 connects the installation wire 202 with a fixing frame 204, the fixing frame 204 is fixed at one side of the tops of the circuit board 200 and the isolated lightning protector main body 201 close to the piezoresistor 300, the caliper 203 on the installation wire 202 is clamped on the fixing frame 204 and is connected with the caliper 203 through the fixing frame 204 fixed on the circuit board 200, so that the isolated lightning protector main body 201 is electrically connected with the circuit board 200, and is connected with the caliper 203 through the fixing frame 204 fixed on the isolated lightning protector main body 201, and the isolated lightning protector main body 201 is used for verifying whether the isolated lightning protector main body 201 has a line fault after the fault occurs, and if the isolated lightning protector has the line fault, the isolated lightning protector can be used as a backup substitute to be clamped on the corresponding fixing frame 204;
two pins 301 are fixed on the lower part of the piezoresistor 300, the piezoresistor 300 is connected with a connecting seat 302 through the pins 301, the connecting seat 302 is fixed on the lower part of the pins 301, and the bottom end of the connecting seat 302 is fixed on the top of the circuit board 200, so that the piezoresistor 300 is connected on the top of the circuit board 200;
when the lightning protection device is used, the circuit board 200 is fixed inside the box body 100, an isolation lightning protection function is provided through the isolation lightning protection device main body 201 on the circuit board 200, a current limiting effect is provided through the piezoresistor 300, the isolation lightning protection device main body 201 is prevented from being damaged by the surge phenomenon of current, when the isolation lightning protection device main body 201 is damaged in use, the two groups of installation wires 202 are used as one group of wires, one group of wires are used as backup of the wires used for installation, the wires are connected with the corresponding calipers 203 on the two groups of installation wires 202 through detection equipment, whether the wires in use are damaged or not is detected, and after the wires in use are damaged, the installation wires 202 connected above the isolation lightning protection device main body 201 are used for replacing the original installation wires 202.
As shown in fig. 1, 5, and 6, a mounting plate 401 is disposed at the bottom of a connecting block 400, clamping plates 402 are fixed at the tops of the mounting plates 401 at two sides of the connecting block 400, the connecting block 400 is clamped on the mounting plate 401 by the clamping plates 402, a plurality of mounting screws 403 are inserted into the clamping plates 402, the mounting screws 403 are screwed into the connecting block 400 after being inserted into the clamping plates 402, the clamping plates 402 are connected with the connecting block 400 by the mounting screws 403, a plurality of openings 404 are formed through two sides of the top of the mounting plate 401, and after the mounting plate 401 is clamped into a mounting rail on an electrical device, the mounting rail on the mounting rail corresponds to the openings 404, the screws are screwed in, so that the utility model can be fixed;
the top of the box body 100 is provided with a top plate 500, the top plate 500 seals the top of the box body 100, four corners of the top plate 500 are all inserted with fixing screws 501, the fixing screws 501 are inserted into the top plate 500 and extend out of the top plate 500, the box body 100 is in threaded connection with the fixing screws 501 extending out of the top plate 500 through mounting lugs 101, and the top plate 500 is mounted on the box body 100 through the fixing screws 501;
when the box body 100 is used, the box body 100 is sealed through the top plate 500, and when the box body is used, the connecting block 400 and the mounting plate 401 are connected together through the clamping plate 402, the clamping plate 402 is clamped on the mounting guide rail of the electrical equipment, and then the screws are inserted into the holes 404 and then screwed on the mounting guide rail, when the box body faces the mounting guide rails in different electrical equipment, the mounting screws 403 are detached from the connecting block 400, and the mounting plates 401 with different widths are replaced, so that the box body is suitable for mounting of different mounting guide rails.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (6)
1. The utility model provides an isolated lightning protection device that possesses current-limiting protection function, includes box body (100), circuit board (200), piezo-resistor (300) and connecting block (400), its characterized in that: the interior bottom of box body (100) is fixed with circuit board (200), top one side of circuit board (200) is fixed with isolated lightning protection device main part (201), one side that isolated lightning protection device main part (201) were kept away from at circuit board (200) top is provided with piezo-resistor (300), one side that isolated lightning protection device main part (201) are close to piezo-resistor (300) is fixed with two rows of a plurality of equidistance installation wire (202), connecting block (400) are connected with mounting panel (401) through cardboard (402).
2. The isolated lightning protection device with current-limiting protection function according to claim 1, wherein mounting lugs (101) are fixed at four corners of the upper part of the inner wall of the box body (100), and connecting wires (102) are fixed at the lower parts of two sides of the box body (100).
3. The isolated lightning protection device with the current-limiting protection function according to claim 1, wherein a caliper (203) is fixed to one end of the installation wire (202) far away from the isolated lightning protection device main body (201), a fixing frame (204) is fixed to both the top of the circuit board (200) and one side of the top of the isolated lightning protection device main body (201) close to the piezoresistor (300), and the caliper (203) on the installation wire (202) is clamped on the fixing frame (204).
4. The isolated lightning protection device with the current-limiting protection function according to claim 1, wherein two pins (301) are fixed to the lower portion of the varistor (300), a connection seat (302) is fixed to the lower portion of the pins (301), and the bottom end of the connection seat (302) is fixed to the top of the circuit board (200).
5. The isolated lightning protection device with the current-limiting protection function according to claim 1, wherein a mounting plate (401) is arranged at the bottom of the connecting block (400), a clamping plate (402) is fixed at the top of the mounting plate (401) at two sides of the connecting block (400), a plurality of mounting screws (403) are inserted into the clamping plate (402), the mounting screws (403) are inserted into the clamping plate (402) and then screwed into the connecting block (400), and a plurality of openings (404) are formed through two sides of the top of the mounting plate (401).
6. The isolated lightning protection device with the current-limiting protection function according to claim 1, wherein a top plate (500) is arranged at the top of the box body (100), fixing screws (501) are inserted into four corners of the top plate (500), the fixing screws (501) are inserted into the top plate (500) and then extend out of the top plate (500), and the box body (100) is in threaded connection with the fixing screws (501) extending out of the top plate (500) through mounting lugs (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540680.6U CN216904249U (en) | 2022-03-11 | 2022-03-11 | Isolated lightning protection device with current-limiting protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540680.6U CN216904249U (en) | 2022-03-11 | 2022-03-11 | Isolated lightning protection device with current-limiting protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904249U true CN216904249U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220540680.6U Active CN216904249U (en) | 2022-03-11 | 2022-03-11 | Isolated lightning protection device with current-limiting protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904249U (en) |
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2022
- 2022-03-11 CN CN202220540680.6U patent/CN216904249U/en active Active
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