CN216750542U - AC high-power socket protection control device - Google Patents
AC high-power socket protection control device Download PDFInfo
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- CN216750542U CN216750542U CN202122783960.8U CN202122783960U CN216750542U CN 216750542 U CN216750542 U CN 216750542U CN 202122783960 U CN202122783960 U CN 202122783960U CN 216750542 U CN216750542 U CN 216750542U
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Abstract
An alternating-current high-power socket protection control device relates to the technical field of sockets. The socket comprises a first circuit breaker, a second circuit breaker, a socket bottom plate and a plug. First circuit breaker, second circuit breaker, socket are all installed on socket bottom plate upper portion. The plug and the socket are connected in a pluggable manner. The output end of the first circuit breaker is provided with a plurality of groups of second circuit breakers in parallel. The output of the second circuit breaker is connected to the socket. The second circuit breaker is a 3P circuit breaker, and is provided with a voltage-loss release. The input end of the undervoltage release is connected with the live wire at the output end of the first circuit breaker, and the output end is connected with the wiring end at the middle position of the socket. The application effectively prevents socket strip voltage output; ensuring that spark or electric arc is not caused at the moment when the plug is inserted into the socket; the safety of the socket is improved, and the situation that the arc burns operating personnel is avoided; meanwhile, the plug and the socket are prevented from being burnt; avoiding causing other safety accidents.
Description
Technical Field
The utility model relates to the technical field of sockets, in particular to a protection control device for an alternating-current high-power socket.
Background
It is known that the use of ac high power equipment requires matching with a corresponding ac high power outlet. In the fields of new energy automobiles, construction sites and the like, the application of the alternating-current high-power socket is more extensive, and the application of the industrial socket is particularly prominent. There is an industrial socket which is provided with six terminals in total. Among them, the terminals of the normal three-phase five-wire (L1, L2, L3, N, PE) are arranged in a ring shape, and the sixth terminal is provided at the center position of the other five terminals.
The existing industrial socket is generally directly connected with a power line, so that the socket is electrified; the rear end of the plug may be provided with directly started electric equipment, so that the plug is inserted into the socket with load; when the plug is inserted into the socket, spark or electric arc is generated due to shaking or poor contact of the plug, the plug and the socket are easy to burn, and the electric arc can burn operating personnel to cause safety accidents and the like.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: before the plug is inserted into the socket, no voltage output exists in the socket; so as to avoid spark or electric arc caused by the instant of live plug-in socket; the plug and the socket are prevented from being burnt; preventing the arc from burning the operators and the like.
In order to solve the technical problems, the utility model adopts the technical scheme that: an alternating-current high-power socket protection control device comprises a first circuit breaker, a second circuit breaker, a socket bottom plate and a plug; the first circuit breaker, the second circuit breaker and the socket are all arranged on the upper surface of the socket bottom plate; the plug and the socket are connected in a pluggable manner; the output end of the first circuit breaker is provided with a plurality of groups of second circuit breakers in parallel; the output end of the second circuit breaker is connected with the socket; the second circuit breaker is a 3P circuit breaker, and a voltage-loss release is arranged on the second circuit breaker;
the input end of the undervoltage release is connected with a live wire of the output end of the first circuit breaker, and the output end of the undervoltage release is connected with a wiring end at the central position of the socket;
the plug is matched with the socket; and the zero line wiring end of the plug is in short circuit with the wiring end at the middle position.
Wherein the first circuit breaker is a leakage protection type circuit breaker; the input of the first circuit breaker is connected with the live wire of the power supply.
The type of the socket is three-phase 63A or 125A;
the zero line and ground wire terminals of the socket are correspondingly connected with the zero line and ground wire terminals of the power supply.
The utility model has the beneficial effects that: compared with the existing AC high-power socket protection system, when the plug is not connected with the socket, the under-voltage release can not detect the voltage, the second circuit breaker is in a broken circuit state and can not be manually switched on, and the socket with voltage output is effectively prevented; so as to ensure that spark or electric arc cannot be caused at the moment when the plug is inserted into the socket; the safety of the socket is improved, and the situation that the arc burns operating personnel is avoided; meanwhile, the plug and the socket are prevented from being burnt; other safety accidents are avoided; when the plug is connected with the socket, the under-voltage release detects voltage, and the second circuit breaker can be manually switched on; and completing the power supply operation of the socket.
Drawings
FIG. 1 is a schematic diagram of a protection control system according to the present invention;
fig. 2 is an electrical schematic of the protection control system of the present invention.
Description of the reference symbols:
1. a first circuit breaker; 2. a second circuit breaker; 21. a voltage loss release; 3. a socket; 4. a receptacle chassis; 5. and (4) a plug.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1-2, the technical solution adopted by the present invention is: an AC high-power socket protection control device comprises a first circuit breaker 1, a second circuit breaker 2, a socket 3, a socket bottom plate 4 and a plug 5; the first circuit breaker 1, the second circuit breaker 2 and the socket 3 are all arranged on the upper surface of the socket bottom plate 4; the plug 5 and the socket 3 are connected in a pluggable manner; the output end of the first circuit breaker 1 is provided with three groups of second circuit breakers 2 in parallel; the output end of the second circuit breaker 2 is connected with a socket 3; the second circuit breaker 2 is a 3P circuit breaker, and a voltage-loss release 21 is arranged on the second circuit breaker 2;
the input end of the undervoltage release 21 is connected with a live wire of the output end of the first circuit breaker 1, and the output end of the undervoltage release 21 is connected with a wiring end at the central position of the socket 3;
the plug 5 is matched with the socket 3; and the zero line wiring end of the plug 5 is in short circuit with the wiring end at the middle position.
From the above description, the beneficial effects of the present invention are: compared with the existing alternating-current high-power socket protection system, when the plug 5 is not connected with the socket 3, the under-voltage release 21 cannot detect the voltage, the second circuit breaker 2 is in a circuit breaking state and cannot be manually switched on, and the socket 3 is effectively prevented from outputting the voltage; so as to ensure that spark or electric arc can not be caused at the moment when the plug 5 is inserted into the socket 3; the safety of the socket is improved, and the situation that the arc burns operating personnel is avoided; meanwhile, the plug and the socket are prevented from being burnt; other safety accidents are avoided; when the plug 5 is connected with the socket 3, the undervoltage release 21 detects voltage, and the second circuit breaker 2 can be manually switched on; the power supply operation to the receptacle 3 is completed.
Further, the first circuit breaker 1 is a leakage protection type circuit breaker; the three input ends of the first circuit breaker 1 are respectively connected with three live wires of a power supply.
As is apparent from the above description, the first circuit breaker 1 is an earth leakage protection type circuit breaker; the leakage protection circuit breaker is a switching device for preventing human body from electric shock or leakage in a low-voltage line to cause fire and explosion accidents. The power supply circuit is cut off rapidly when human body electric shock or equipment electric leakage occurs, so that the human body and the equipment are prevented from being damaged.
Further, the type of the socket 3 is three-phase 63A or 125A.
From the above description, industrial sockets are capable of withstanding large loads; has higher quality and longer service life. Selecting a proper socket model according to actual production requirements; the condition that the socket 3 is damaged due to overlarge working load can be effectively avoided.
Furthermore, the zero line and ground wire terminals of the socket 3 are correspondingly connected with the zero line and ground wire terminals of the power supply.
From the above description, when the plug 5 is connected to the socket 3, the live wire and the neutral wire of the socket 3 can form a loop to supply power to the device connected to the rear end of the plug 5.
The utility model is applied to the circuit system of high-power electric equipment, such as a new energy automobile power supply system, a building industrial electric system and the like.
Example one
An AC high-power socket protection control device comprises a first circuit breaker 1, a second circuit breaker 2, a socket 3, a socket bottom plate 4 and a plug 5; the first circuit breaker 1, the second circuit breaker 2 and the socket 3 are all arranged on the upper surface of the socket bottom plate 4; the plug 5 and the socket 3 are connected in a pluggable manner; the output end of the first circuit breaker 1 is provided with three groups of second circuit breakers 2 in parallel; the output end of the second circuit breaker 2 is connected with a socket 3; the second circuit breaker 2 is a 3P circuit breaker, and a voltage-loss release 21 is arranged on the second circuit breaker 2;
the input end of the undervoltage release 21 is connected with a live wire of the output end of the first circuit breaker 1, and the output end of the undervoltage release 21 is connected with a wiring end at the central position of the socket 3;
the plug 5 is matched with the socket 3; the zero line wiring end of the plug 5 is in short circuit with the wiring end at the middle position;
the first circuit breaker 1 is a leakage protection type circuit breaker; the input end of the first circuit breaker 1 is connected with a live wire of a power supply;
the type of the socket 3 is three-phase 63A or 125A;
and the zero line and ground wire connecting ends of the socket 3 are correspondingly connected with the zero line and ground wire connecting ends of the power supply.
The working principle of the utility model is as follows: when the plug 5 is not connected with the socket 3, only one end of the undervoltage release 21 is connected with a live wire, and the other end of the undervoltage release is a disconnected terminal, so that a loop cannot be formed; at this time, the undervoltage tripper 21 cannot detect the voltage, and cannot manually close the second circuit breaker 2.
After the plug 5 is connected with the socket 3, the zero line terminal of the plug 5 is in short circuit with the terminal at the middle position; at this time, the undervoltage release 21 and the plug 5 form a loop; the undervoltage release 21 detects that the voltage is normal, and can manually close the second circuit breaker 2.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (4)
1. An alternating-current high-power socket protection control device comprises a first circuit breaker, a second circuit breaker, a socket bottom plate and a plug; the first circuit breaker, the second circuit breaker and the socket are all arranged on the upper surface of the socket bottom plate; the plug and the socket are connected in a pluggable manner; the output end of the first circuit breaker is provided with a plurality of groups of second circuit breakers in parallel; the output end of the second circuit breaker is connected with the socket; the second circuit breaker is a P circuit breaker, and a voltage-loss release is arranged on the second circuit breaker; the method is characterized in that: the input end of the undervoltage release is connected with one live wire of the output end of the first circuit breaker, and the output end of the undervoltage release is connected with the wiring end at the central position of the socket;
the plug is matched with the socket; and the zero line wiring end of the plug is in short circuit with the wiring end at the middle position.
2. The ac high power outlet protection control device according to claim 1, wherein: the first circuit breaker is a leakage protection type circuit breaker; the input of the first circuit breaker is connected with the live wire of the power supply.
3. The ac high power outlet protection control device according to claim 1, wherein: the type of the socket is three-phase 63A or 125A.
4. The ac high power outlet protection control device according to claim 1, wherein: and the zero line and ground wire wiring ends of the socket are correspondingly connected with the zero line and ground wire wiring ends of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122783960.8U CN216750542U (en) | 2021-11-15 | 2021-11-15 | AC high-power socket protection control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122783960.8U CN216750542U (en) | 2021-11-15 | 2021-11-15 | AC high-power socket protection control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216750542U true CN216750542U (en) | 2022-06-14 |
Family
ID=81925508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122783960.8U Active CN216750542U (en) | 2021-11-15 | 2021-11-15 | AC high-power socket protection control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216750542U (en) |
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2021
- 2021-11-15 CN CN202122783960.8U patent/CN216750542U/en active Active
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