Generator car access and grounding common device on low-voltage circuit breaker wire outlet side

Abstract

The utility model discloses a generator car access and grounding common device at the outlet side of a low-voltage circuit breaker, which comprises a quick-plug male head, a quick-plug female head, a copper bar and an insulating baffle plate, the quick-plug male head is connected with a cable to be grounded or is flexibly connected with the copper bar, the quick-plug female head is connected with the insulating baffle plate, and the insulating baffle plate is connected with the quick-plug male head. The inner parts of the quick-plugging male head and the quick-plugging female heads are terminal structures for crimping cables, the quick-plugging male head is plugged with the quick-plugging female heads, the copper bar is provided with vertical-phase and transverse-phase double-hole copper bar ports, the vertical-phase and transverse-phase double-hole copper bar ports are fixedly connected with the terminal structures for crimping the cables, and the insulating baffle plate is provided with four quick-plugging female heads. The generator car access and grounding common device at the outlet side of the low-voltage circuit breaker is simple in structure and convenient to use, realizes the function of switching the low-voltage side to overhaul on site at the JP cabinet and the function of quickly accessing and exiting the generator car, reduces the power failure time, and improves the operation efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical engineering, and particularly relates to a power generation vehicle access and grounding sharing device on the outgoing side of a low-voltage circuit breaker. Background Art

[0002] At present, for the maintenance work of the low-voltage line of the distribution transformer, when the low-voltage line is transferred to maintenance, it is necessary to disconnect the low-voltage circuit breaker of the JP cabinet in the distribution transformer area, and install a grounding wire on the pole of the low-voltage line or install a grounding wire on the outgoing side of the low-voltage circuit breaker of the JP cabinet in the low-voltage area. Such a working method has low working efficiency and risks of electric shock and high-altitude fall during pole climbing operations. When installing a grounding wire in the JP cabinet, there are risks of insufficient safety distance, misoperation and electric shock, and it is necessary to cooperate with other low-voltage circuit breakers to cut off power, expanding the power outage range and increasing the number of power outage users. In the power supply protection of the low-voltage distribution transformer, before connecting and disconnecting the cable of the low-voltage power generation vehicle, it is necessary to disconnect the low-voltage circuit breaker, and only after installing safety measures can the cable of the power generation vehicle be connected and disconnected, resulting in low working efficiency and long power outage time. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a power generation vehicle access and grounding sharing device on the outgoing side of a low-voltage circuit breaker, which has a simple structure, is easy to use, can realize the function of locally transferring the low-voltage side to maintenance at the JP cabinet and the functions of quickly connecting and disconnecting the power generation vehicle, reduces the power outage time, and improves the operation efficiency.

[0004] The technical solution of the utility model is as follows: a power generation vehicle access and grounding sharing device on the outgoing side of a low-voltage circuit breaker, including: a quick plug male head, a quick plug female head, a copper bar, and an insulating baffle. The quick plug male head is connected to the cable ground or is soft-connected to the copper bar in the JP cabinet. The quick plug female head is connected to the insulating baffle, and the insulating panel is connected to the outer shell or frame of the JP cabinet. The inside of the quick plug male head and the quick plug female head is a terminal structure for crimping the cable. The quick plug male head and the quick plug female head are plugged together. The copper bar is provided with vertical and horizontal double-hole copper bar ports, and the vertical and horizontal double-hole copper bar ports are fixedly connected to the terminal structure for crimping the cable. Four quick plug female heads are arranged on the insulating baffle.

[0005] Further, the surfaces of the quick plug male head and the quick plug female head are covered with insulating materials.

[0006] Further, the quick plug male head and the quick plug female head are fixedly connected through a rotary locking device.

[0007] Further, the four quick plug female heads on the insulating baffle are arranged in a "mu" shape.

[0008] Further, the four quick plug female heads on the insulating baffle are arranged in a "tian" shape.

[0009] Furthermore, the ports at the front end of the insulating baffle are marked with four colors, red, green, yellow, and blue, to identify different phase lines.

[0010] Advantages of the present utility model: The power generation vehicle access and grounding shared device on the outgoing side of the low-voltage circuit breaker of the present utility model adopts a quick plug-in male and female head design, which is convenient for the access and disassembly of the power generation vehicle, simplifies the connection process, significantly shortens the installation and evacuation time, and improves the operation efficiency; the connection of the male and female heads is ensured to be stable through the rotary locking device, preventing accidental loosening, and ensuring the safety and stability of the power generation vehicle access; the outer part of the male and female heads is covered with insulating plastic, reducing the risk of electric shock and improving the operation safety; the crimping terminals on one side of the male head can be flexibly used for grounding or soft connection to the copper busbar in the cabinet, realizing the multi-functional sharing of grounding and power connection, and enhancing the practicability of the device; the four quick plug-in female heads on the insulating baffle are arranged in a "mu" character or "tian" character shape respectively, with clear device interface positions, facilitating identification and operation, and reducing the risk of misoperation; the ports at the front end of the insulating baffle are marked with four colors, red, green, yellow, and blue, to identify different phase lines, enabling the operator to quickly identify the phase lines and further improving the accuracy and safety of access; in summary, the power generation vehicle access and grounding shared device on the outgoing side of the low-voltage circuit breaker of the present utility model has a simple structure and is easy to use, realizing the function of locally converting the low-voltage side to maintenance at the JP cabinet and the function of quickly accessing and withdrawing the power generation vehicle, reducing the power outage time and improving the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 FIG. 1 is a schematic structural diagram of a power generation vehicle access and grounding shared device on the outgoing side of a low-voltage circuit breaker of the present utility model.

[0013] Figure 2 FIG. 2 is a schematic structural diagram of another arrangement method of the quick plug-in female head of the power generation vehicle access and grounding shared device on the outgoing side of the low-voltage circuit breaker of the present utility model.

[0014] In the figure: 1 - quick plug-in male head, 2 - quick plug-in female head, 3 - copper busbar, 4 - insulating baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0016] As Figure 1-2 shown, a power generation vehicle access and grounding shared device on the outgoing side of a low-voltage circuit breaker includes: a quick plug male head 1, a quick plug female head 2, a copper bar 3, and an insulating baffle 4. The quick plug male head 1 is connected to the cable ground or is soft-connected to the copper bar 3 in the JP cabinet. The quick plug female head 2 is connected to the insulating baffle 4, and the insulating panel 4 is connected to the shell or frame of the JP cabinet. The inside of the quick plug male head 1 and the quick plug female head 2 is a terminal structure for crimping cables. The quick plug male head 1 and the quick plug female head 2 are plugged together. The copper bar 3 is provided with vertical and horizontal double-hole copper bar ports, and the vertical and horizontal double-hole copper bar ports are fixedly connected to the terminal structure for crimping cables. Four quick plug female heads 2 are arranged on the insulating baffle 4.

[0017] Preferably, the surfaces of the quick plug male head 1 and the quick plug female head 2 are covered with insulating materials.

[0018] Preferably, the quick plug male head 1 and the quick plug female head 2 are fixedly connected by a rotary locking device.

[0019] Preferably, the four quick plug female heads 2 on the insulating baffle 4 are arranged in a "mu" shape.

[0020] Preferably, the four quick plug female heads 2 on the insulating baffle 4 are arranged in a "tian" shape.

[0021] Preferably, the ports at the front end of the insulating baffle 4 are marked with four colors, red, green, yellow, and blue, to identify different phase lines.

[0022] During use, install the grounding wire of the quick-plug male connector 1 and the quick-plug female connector 2 on the copper bus 3 or grounding terminal in the JP cabinet. The crimping terminal of the quick-plug male connector 1 is connected to the grounding cable to achieve safe grounding of the equipment. When the power generation vehicle is connected to the JP cabinet, connect the cable of the power generation vehicle to the quick-plug female connector 2. Complete the power connection with the outlet side of the low-voltage circuit breaker of the JP cabinet by inserting the quick-plug male connector 1 into the quick-plug female connector 2. After inserting the male connector 1 into the quick-plug female connector 2, rotate and lock it through the rotary locking device. Then check one by one whether the red, green, yellow, and blue phase wires on the insulating baffle 4 are correctly connected to ensure that the phase wires match correctly and avoid phase sequence errors. After the power generation vehicle is connected, check the power supply status of the equipment. After the operation is completed, if you need to remove the power generation vehicle access device, just rotate the locking device counterclockwise to quickly pull out the quick-plug male connector 1 and the quick-plug female connector 2 to disconnect the power generation vehicle from the JP cabinet.

[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments and various changes can be made thereto within the scope of knowledge possessed by those skilled in the art.

Claims

1. A generator car access and grounding sharing device on the outgoing line side of a low-voltage circuit breaker, characterized in that: Including: Quick-insert male head (1), quick-insert female head (2), copper busbar (3), insulating baffle (4). The quick-insert male head (1) is connected to the cable ground or is soft-connected to the copper busbar (3) inside the JP cabinet. The quick-insert female head (2) is connected to the insulating baffle (4). The insulating baffle (4) is connected to the outer shell or frame of the JP cabinet. The inside of the quick-insert male head (1) and the quick-insert female head (2) is a terminal structure for crimping the cable. The quick-insert male head (1) is inserted into the quick-insert female head (2). The copper busbar (3) is provided with vertical and horizontal double-hole copper busbar ports, and the vertical and horizontal double-hole copper busbar ports are fixedly connected to the terminal structure for crimping the cable. Four quick-insert female heads (2) are arranged on the insulating baffle (4).

2. A power generation vehicle access and grounding sharing device on the outgoing line side of a low-voltage circuit breaker according to claim 1, characterized in that: The surfaces of the quick-insert male head (1) and the quick-insert female head (2) are covered with insulating materials.

3. A power generation vehicle access and grounding sharing device on the outgoing line side of a low-voltage circuit breaker according to claim 1, characterized in that: The quick-insert male head (1) and the quick-insert female head (2) are fixedly connected by a rotary locking device.

4. A generator vehicle access and grounding sharing device on the outgoing line side of a low-voltage circuit breaker according to claim 1, characterized in that: The four quick-insert female heads (2) on the insulating baffle (4) are arranged in a "mu" shape.

5. The power generation vehicle access and grounding sharing device on the outgoing line side of a low-voltage circuit breaker according to claim 1, characterized in that: The four quick-insert female heads (2) on the insulating baffle (4) are arranged in a "tian" shape.

6. The power generation vehicle access and grounding sharing device on the outgoing line side of a low-voltage circuit breaker according to claim 1, characterized in that: The ports at the front end of the insulating baffle (4) are marked with four colors, red, green, yellow, and blue, to identify different phase lines.

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