CN220604569U - Parallel ammeter relay with leakage protection function - Google Patents
Parallel ammeter relay with leakage protection function Download PDFInfo
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- CN220604569U CN220604569U CN202322044668.3U CN202322044668U CN220604569U CN 220604569 U CN220604569 U CN 220604569U CN 202322044668 U CN202322044668 U CN 202322044668U CN 220604569 U CN220604569 U CN 220604569U
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Abstract
The utility model relates to the technical field of relays, and discloses a parallel ammeter relay with a leakage protection function. This take parallel ammeter relay of earth leakage protection function, through setting up hierarchical earth leakage protection mechanism, the electric leakage is just taking place to the parallel ammeter relay body and before not having the electric leakage, the PLC controller control yellow lamp lights, take place the electric leakage phenomenon when the parallel ammeter relay body, but when the electric current is weaker, the PLC controller control yellow lamp lights, and control the speaker sends short alarm sound, take place serious electric leakage phenomenon when the parallel ammeter relay body, the PLC controller control red lamp lights, and control the speaker sends long alarm sound, thereby can carry out hierarchical suggestion protection to the electric leakage condition of parallel ammeter relay body.
Description
Technical Field
The utility model relates to the technical field of relays, in particular to a parallel ammeter relay with a leakage protection function.
Background
The relay is an electric control device, and when a change in an input amount (excitation amount) reaches a predetermined requirement, a controlled amount is changed in a predetermined step in an electric output circuit.
In the chinese patent with publication number CN215527604U, an anti-leakage relay is disclosed, through the relay body that sets up, the bottom plate, the dead lever, the locking plate, the slide hole, the baffle, compression spring, the sliding block, the sliding groove, fixture block and draw-in groove, when dismantling the relay body, pulling the locking plate makes the sliding block break away from the sliding groove, rotate the locking plate, release the spacing fixed of locking plate to the relay body, accomplish the dismantlement to the relay body, easy operation is convenient, the effectual convenience of relay dismouting that has improved, the effectual convenience of relay maintenance that has improved, but the anti-leakage relay in the comparison patent only possesses quick assembly and disassembly's function, specifically can not be to the pneumatic anti-leakage effect of relay, the relay in the comparison patent is difficult to monitor leakage current, it selects different modes to be difficult to carry out the suggestion to the user according to the intensity of electric current, consequently, it is difficult to judge the circumstances of parallelly connected relay electric leakage intuitively fast, be difficult to play effective floor drain electricity protection effect.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a parallel ammeter relay with a leakage protection function, which aims to solve the problems that in the background technology, the leakage protection type relay in the patent is only provided with a function of quick assembly and disassembly, and particularly cannot realize pneumatic leakage protection of the relay, and the relay in the patent is difficult to monitor leakage current and select different modes according to the intensity of the current to prompt a user, so that the situation of leakage of the relay of the parallel ammeter is difficult to intuitively and quickly judge, and the effective leakage protection effect is difficult to realize.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take parallel ammeter relay of earth leakage protection function, includes parallel ammeter relay body, main part mechanism, hierarchical earth leakage protection mechanism, main part mechanism is located the inside of parallel ammeter relay body, hierarchical earth leakage protection mechanism is located the outside of parallel ammeter relay body, hierarchical earth leakage protection mechanism includes insulating housing, circuit board, heat conduction silk, clamp bolt, heat conduction piece, temperature sensor, connecting wire, high accuracy current sensor, PLC controller, green light, yellow light, red light and speaker, insulating housing fixed connection is in the outside of parallel ammeter relay body, circuit board fixed connection is in the lower extreme of parallel ammeter relay body, the circuit board is located insulating housing's lower extreme, the outer end at parallel ammeter relay body is connected to the heat conduction silk, the heat conduction silk passes through the clamp bolt with parallel ammeter relay body and is fixed, heat conduction piece fixed connection is in insulating housing's inside, heat conduction piece fixed connection is at the outer end of heat conduction silk, temperature sensor fixed connection is at the inner of parallel ammeter relay body, temperature sensor is laminated mutually with the heat conduction piece.
Preferably, the connecting wire fixed connection is in the lower extreme of parallelly connected ammeter relay body, high accuracy current sensor fixed connection is in the outer end of connecting wire, PLC controller fixed connection is in the front end of high accuracy current sensor, green light fixed connection is in the left side of high accuracy current sensor upper end, yellow light fixed connection is in the middle part of high accuracy current sensor upper end, red light fixed connection is on the right side of high accuracy current sensor upper end, the speaker is fixed to be set up in high accuracy current sensor's upper end.
Preferably, the main body mechanism comprises a connecting rod, a bracket, a spring, an electromagnet, an armature, a normally open contact and a normally closed contact, wherein the connecting rod is movably connected in the relay body of the parallel ammeter, the bracket is movably connected at the outer end of the connecting rod, one end of the spring is fixedly connected at the outer end of the connecting rod, and the other end of the spring is fixedly connected at the outer end of the bracket.
Preferably, the electromagnet is fixedly connected in the relay body of the parallel ammeter, and the armature is fixedly connected at the outer end of the connecting rod.
Preferably, the normally open contact is located above the connecting rod, and the normally closed contact is located below the connecting rod.
Preferably, the temperature sensor is in signal connection with the PLC controller, the connecting wire is electrically connected with the high-precision current sensor, and the connecting wire is electrically connected with the parallel ammeter relay body.
Preferably, the PLC controller is in signal connection with the high-precision current sensor, and the green light, the yellow light, the red light and the loudspeaker are electrically connected with the PLC controller.
Compared with the prior art, the utility model has the beneficial effects that:
this take earth leakage protection function's parallelly connected ammeter relay, through setting up hierarchical earth leakage protection mechanism, it is just about taking place to leak and before not having the electric leakage at parallelly connected ammeter relay body, the yellow lamp of PLC controller control lights, so that just can in time prompt the manager before parallelly connected ammeter relay body electric leakage, take place the electric leakage phenomenon when parallelly connected ammeter relay body, but the electric current is weaker, the PLC controller controls the yellow lamp and lights, and control the speaker sends short alarm sound, take place serious electric leakage phenomenon when parallelly connected ammeter relay body, the PLC controller controls the red lamp and lights, and control the speaker sends long alarm sound, thereby can carry out hierarchical suggestion protection to the electric leakage condition of parallelly connected ammeter relay body.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram showing a partial cross-sectional structure of the hierarchical leakage protection mechanism according to the present utility model;
FIG. 3 is a schematic diagram of a cross-sectional structure of a relay body of a parallel ammeter according to the present utility model;
fig. 4 is a schematic view of a partial perspective structure of the hierarchical earth leakage protection mechanism of the present utility model.
In the figure: 1. a parallel ammeter relay body; 2. a main body mechanism; 201. a connecting rod; 202. a bracket; 203. a spring; 204. an electromagnet; 205. an armature; 206. a normally open contact; 207. a normally closed contact; 3. a hierarchical leakage protection mechanism; 301. an insulating housing; 302. a circuit board; 303. a heat conducting wire; 304. a compression bolt; 305. a heat conduction block; 306. a temperature sensor; 307. connecting wires; 308. a high-precision current sensor; 309. a PLC controller; 310. green light; 311. a yellow lamp; 312. a red light; 313. and a speaker.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a take parallel ammeter relay of earth leakage protection function, including parallel ammeter relay body 1, main part mechanism 2, hierarchical earth leakage protection mechanism 3, main part mechanism 2 is located the inside of parallel ammeter relay body 1, hierarchical earth leakage protection mechanism 3 is located the outside of parallel ammeter relay body 1, hierarchical earth leakage protection mechanism 3 includes insulating housing 301, circuit board 302, heat conduction silk 303, hold-down bolt 304, heat conduction piece 305, temperature sensor 306, connecting wire 307, high accuracy current sensor 308, PLC controller 309, green light 310, yellow light 311, red light 312 and speaker 313, insulating housing 301 fixed connection is in the outside of parallel ammeter relay body 1, circuit board 302 fixed connection is in the lower extreme of parallel ammeter relay body 1, circuit board 302 is located the lower extreme of insulating housing 301, heat conduction silk 303 is connected at the outer end of parallel ammeter relay body 1, the heat conducting wire 303 and the parallel ammeter relay body 1 are fixed through the compression bolt 304, the heat conducting block 305 is fixedly connected in the insulating shell 301, the heat conducting block 305 is fixedly connected at the outer end of the heat conducting wire 303, the temperature sensor 306 is fixedly connected at the inner end of the parallel ammeter relay body 1, the temperature sensor 306 is attached to the heat conducting block 305, firstly, the heat conducting wire 303 and the heat conducting block 305 can be made of materials with high heat conducting performance by arranging the graded leakage protection mechanism 3, before the parallel ammeter relay body 1 is about to leak electricity and has no leakage electricity, the temperature of the inner surface of the area is increased, the heat conducting wire 303 and the heat conducting block 305 conduct, the temperature sensor 306 detects abnormal temperature increase to transmit signals to the PLC controller 309, the PLC controller 309 controls the yellow lamp 311 to be lightened, so that a manager can be timely prompted before the parallel ammeter relay body 1 leaks electricity, when the parallel ammeter relay body 1 is subjected to electric leakage, but the current is weaker, the high-precision current sensor 308 detects weak current through the connecting wire 307 and transmits signals to the PLC controller 309, the PLC controller 309 controls the yellow lamp 311 to be lightened and controls the loudspeaker 313 to emit short warning sounds, so that a manager is prompted to generate weak electric leakage on the parallel ammeter relay body 1, when the parallel ammeter relay body 1 is subjected to serious electric leakage, the high-precision current sensor 308 detects strong current through the connecting wire 307 and transmits signals to the PLC controller 309, the PLC controller 309 controls the red lamp 312 to be lightened and controls the loudspeaker 313 to emit long warning sounds, so that the manager is prompted to generate serious electric leakage on the parallel ammeter relay body 1, the manager is prompted to perform maintenance as soon as possible, and the electric leakage of the parallel ammeter relay body 1 can be prompted and protected in a grading manner.
The connecting wire 307 is fixedly connected to the lower end of the parallel ammeter relay body 1, the high-precision current sensor 308 is fixedly connected to the outer end of the connecting wire 307, the PLC controller 309 is fixedly connected to the front end of the high-precision current sensor 308, the green light 310 is fixedly connected to the left side of the upper end of the high-precision current sensor 308, the yellow light 311 is fixedly connected to the middle of the upper end of the high-precision current sensor 308, the red light 312 is fixedly connected to the right side of the upper end of the high-precision current sensor 308, and the loudspeaker 313 is fixedly arranged at the upper end of the high-precision current sensor 308.
The main body mechanism 2 comprises a connecting rod 201, a support 202, a spring 203, an electromagnet 204, an armature 205, a normally open contact 206 and a normally closed contact 207, wherein the connecting rod 201 is movably connected in the parallel ammeter relay body 1, the support 202 is movably connected at the outer end of the connecting rod 201, one end of the spring 203 is fixedly connected at the outer end of the connecting rod 201, the other end of the spring 203 is fixedly connected at the outer end of the support 202, and the connecting rod 201 can be conveniently reset through the arrangement of the spring 203.
Electromagnet 204 fixed connection is in the inside of parallelly connected ammeter relay body 1, and armature 205 fixed connection is in the outer end of connecting rod 201, through setting up electromagnet 204, when electromagnet 204 circular telegram was used, can produce the magnetic field, adsorbs armature 205 on electromagnet 204, and armature 205 drives connecting rod 201 slope under the leverage for normally closed contact 207 contacts with the contact on the connecting rod 201, is convenient for turn into the heavy current with little electric current and uses.
The normally open contact 206 is located above the connecting rod 201, and the normally closed contact 207 is located below the connecting rod 201.
The temperature sensor 306 is in signal connection with the PLC controller 309, the connection wire 307 is electrically connected with the high-precision current sensor 308, and the connection wire 307 is electrically connected with the parallel ammeter relay body 1.
The PLC controller 309 is in signal connection with the high-precision current sensor 308, and the green light 310, the yellow light 311, the red light 312 and the speaker 313 are electrically connected with the PLC controller 309.
Working principle: before the parallel ammeter relay body 1 is about to leak electricity and has no electricity leakage, the temperature of the inner surface of the area is increased, and the temperature sensor 306 detects the abnormal temperature increase and transmits signals to the PLC controller 309 through the heat conducting wire 303 and the heat conducting block 305, the PLC controller 309 controls the yellow lamp 311 to be lightened so as to prompt a manager in time before the parallel ammeter relay body 1 leaks electricity, the relay is overhauled, when the parallel ammeter relay body 1 has electricity leakage phenomenon, but the current is weaker, the high-precision current sensor 308 detects weak current through the connecting wire 307 and transmits signals to the PLC controller 309, the PLC controller 309 controls the yellow lamp 311 to be lightened, and controls the loudspeaker 313 to emit short-time alarm sounds, so that the manager parallel ammeter relay body 1 is prompted to generate weak electricity leakage phenomenon, when the current is stronger, the high-precision current sensor 308 detects strong current through the connecting wire 307 and transmits signals to the PLC controller 309, the PLC controller 309 controls the red lamp 312 to be lightened, and controls the loudspeaker 313 to generate the magnetic field to be controlled to be more intense, the electromagnet 205 is controlled to absorb the armature iron to be connected with the electromagnet 204 when the electromagnet 204 is in a large-scale contact state, the electromagnet 204 is connected with the electromagnet 204 in a large-down time, and the electromagnet 204 is connected with the electromagnet 204 in a large-scale when the electromagnet is in a large-down contact state, the electromagnet 204 is contacted with the electromagnet is controlled, and the electromagnet 204 is required to be overhauled, when the electromagnet is in a large-down state, and the electromagnet 204 is contacted with the electromagnet body, and when the electromagnet is contacted with the electromagnet, and the electromagnet body 201, and has a large-shaped and has a large-down contact is separated, the connecting rod 201 is returned to the normally open contact 206 by the spring 203.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a take earth leakage protection function's parallelly connected ammeter relay, includes parallelly connected ammeter relay body (1), main part mechanism (2), hierarchical earth leakage protection mechanism (3), its characterized in that: the main body mechanism (2) is positioned in the parallel ammeter relay body (1), the grading leakage protection mechanism (3) is positioned outside the parallel ammeter relay body (1), the grading leakage protection mechanism (3) comprises an insulating shell (301), a circuit board (302), a heat conducting wire (303), a compression bolt (304), a heat conducting block (305), a temperature sensor (306), a connecting wire (307), a high-precision current sensor (308), a PLC (programmable logic controller) (309), a green light (310), a yellow light (311), a red light (312) and a loudspeaker (313), the insulating shell (301) is fixedly connected to the outside of the parallel ammeter relay body (1), the circuit board (302) is fixedly connected to the lower end of the parallel ammeter relay body (1), the circuit board (302) is positioned at the lower end of the insulating shell (301), the heat conducting wire (303) is connected to the outer end of the parallel ammeter relay body (1), the heat conducting wire (303) is fixed to the parallel ammeter relay body (1) through the compression bolt (304), the heat conducting block (305) is fixedly connected to the heat conducting wire (301) at the inner part of the heat conducting block (301), the temperature sensor (306) is fixedly connected to the inner end of the parallel ammeter relay body (1), and the temperature sensor (306) is attached to the heat conducting block (305).
2. The parallel ammeter relay with leakage protection function according to claim 1, wherein: the utility model discloses a high accuracy ammeter relay, including connecting wire (307), high accuracy current sensor (308), PLC controller (309), green light (310), yellow lamp (311), red lamp (312) and speaker (313) respectively, connecting wire (307) fixed connection is in the lower extreme of parallelly connected ammeter relay body (1), high accuracy current sensor (308) fixed connection is in the outer end of connecting wire (307), PLC controller (309) fixed connection is in the front end of high accuracy current sensor (308), green light (310) fixed connection is in the left side of high accuracy current sensor (308) upper end, yellow lamp (311) fixed connection is in the middle part of high accuracy current sensor (308) upper end, red lamp (312) fixed connection is on the right side of high accuracy current sensor (308) upper end, speaker (313) fixed setting is in the upper end of high accuracy current sensor (308).
3. The parallel ammeter relay with leakage protection function according to claim 1, wherein: the main body mechanism (2) comprises a connecting rod (201), a support (202), a spring (203), an electromagnet (204), an armature (205), a normally open contact (206) and a normally closed contact (207), wherein the connecting rod (201) is movably connected inside the parallel ammeter relay body (1), the support (202) is movably connected to the outer end of the connecting rod (201), one end of the spring (203) is fixedly connected to the outer end of the connecting rod (201), and the other end of the spring (203) is fixedly connected to the outer end of the support (202).
4. A parallel ammeter relay with earth leakage protection according to claim 3, wherein: the electromagnet (204) is fixedly connected inside the parallel ammeter relay body (1), and the armature (205) is fixedly connected to the outer end of the connecting rod (201).
5. The parallel ammeter relay with leakage protection function according to claim 4, wherein: the normally open contact (206) is located above the connecting rod (201), and the normally closed contact (207) is located below the connecting rod (201).
6. The parallel ammeter relay with leakage protection function according to claim 2, wherein: the temperature sensor (306) is in signal connection with the PLC (309), the connecting wire (307) is electrically connected with the high-precision current sensor (308), and the connecting wire (307) is electrically connected with the parallel ammeter relay body (1).
7. The parallel ammeter relay with leakage protection function according to claim 2, wherein: the PLC (309) is in signal connection with the high-precision current sensor (308), and the green light (310), the yellow light (311), the red light (312) and the loudspeaker (313) are electrically connected with the PLC (309).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322044668.3U CN220604569U (en) | 2023-08-01 | 2023-08-01 | Parallel ammeter relay with leakage protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322044668.3U CN220604569U (en) | 2023-08-01 | 2023-08-01 | Parallel ammeter relay with leakage protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220604569U true CN220604569U (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322044668.3U Active CN220604569U (en) | 2023-08-01 | 2023-08-01 | Parallel ammeter relay with leakage protection function |
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| Country | Link |
|---|---|
| CN (1) | CN220604569U (en) |
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2023
- 2023-08-01 CN CN202322044668.3U patent/CN220604569U/en active Active
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