Pluggable power distribution cabinet

Abstract

The utility model relates to the field of power distribution cabinets, in particular to a pluggable power distribution cabinet, which comprises a cabinet body, a heat dissipation cavity, a high-voltage output cavity, a control cavity, a current transformation cavity and a mains supply confluence cavity are arranged in the cabinet body, an input confluence assembly is arranged in the mains supply confluence cavity, and a heat dissipation assembly is arranged in the heat dissipation cavity. A detachable branch output switch and a controller support are arranged in the control cavity, a detachable high-voltage box and an electric box support are arranged in the high-voltage output cavity, and a detachable bidirectional converter and a partition limiting plate are arranged in the current transformation cavity. The branch output switches, the high-voltage box and the bidirectional converter are connected with the cabinet body in a pluggable mode through the branch plugging terminals, the electric box plugging terminals and the converter plugging terminals respectively, and when the branch output switches or the high-voltage box or the bidirectional converter needs to be maintained, single-path power failure can be achieved only by closing the corresponding branch output switches. And after power failure, the branch output switch or the high-voltage box or the bidirectional converter can be directly drawn out of the cabinet body, so that the maintenance is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of power distribution cabinets, in particular to a pluggable power distribution cabinet. Background Art

[0002] An integrated power distribution cabinet is an electrical equipment that integrates multiple functions such as power control, protection, monitoring, and metering. The integrated power distribution cabinet can control the power system, realize operations such as power switching, power cable connection, and circuit breaker control, and can protect the power system, including overload protection, short circuit protection, grounding protection, undervoltage protection, and overvoltage protection. It can monitor the power system, including monitoring of parameters such as voltage, current, power, and power factor. It can measure the power system, including metering of electricity, current, power, etc. Integrated power distribution cabinets are widely used in power, petrochemical, industrial manufacturing, construction, transportation, building intelligence, agriculture and other fields.

[0003] An integrated power distribution cabinet is usually composed of a cabinet body, a combiner, a main control switch, a sub-control switch, a high-voltage box, a rectifier and a radiator. There are multiple sub-control switches, high-voltage boxes and rectifiers, and each sub-control switch, high-voltage box and rectifier forms one circuit.

[0004] In the existing integrated power distribution cabinet, when the sub-switch, high-voltage box and rectifier in one of the lines need to be maintained, it is necessary to disconnect the power of the entire integrated power distribution cabinet, and then remove the sub-switch or high-voltage box or rectifier that needs maintenance from the cabinet, affecting the operation of other sub-switch, high-voltage box and rectifier. Utility Model Content

[0005] In order to overcome the deficiencies of the existing technical solutions, the utility model provides a pluggable power distribution cabinet, which can effectively solve the technical problem that the entire circuit needs to be disconnected when one of the power distribution components is to be maintained.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A pluggable power distribution cabinet includes a cabinet body, wherein a heat dissipation chamber, a high-voltage output chamber, a control chamber, a current conversion chamber, and a mains power bus chamber are provided in the cabinet body, wherein the heat dissipation chamber, the high-voltage output chamber, the control chamber, and the mains power bus chamber are all interconnected, an input bus assembly is provided in the mains power bus chamber, a heat dissipation assembly is provided in the heat dissipation chamber, a detachable branch output switch and a controller bracket are provided in the control chamber, at least two branch output switches and controller brackets are provided, and the at least two controller brackets separate the control chamber into at least two controller connection slots, wherein the branch output switch can be inserted into the controller connection slot, and the inner wall of the controller connection slot is provided with a branch plug-in terminal for connecting to the branch output switch;

[0008] A detachable high-voltage box and an electric box bracket are provided in the high-voltage output cavity. The number of high-voltage boxes is consistent with the number of branch output switches, and the number of electric box brackets is consistent with the number of controller brackets. Two or more electric box brackets separate the high-voltage output cavity into two or more electric box connection slots. The high-voltage box can be inserted into the electric box connection slot. The inner wall of the electric box connection slot is provided with an electric box plug-in terminal connected to the high-voltage box.

[0009] A detachable bidirectional converter and a separation limit plate are provided in the converter cavity. The separation limit plate divides the converter cavity into two or more converter slots. The bidirectional converter can be inserted into the converter slot. The inner wall of the converter slot is provided with a converter plug-in terminal for connecting to the bidirectional converter. The input bus assembly, heat dissipation assembly, electrical box plug-in terminal, branch plug-in terminal and converter plug-in terminal are all conductively connected.

[0010] Furthermore, the number of the bidirectional converters is twice that of the high-voltage boxes, and each high-voltage box is connected to two bidirectional converters via a branch output switch.

[0011] Furthermore, a mains input terminal and a main control switch are provided on the surface of the input bus assembly, and the mains input terminal is electrically connected to the branch output switch through the main control switch.

[0012] Furthermore, a detachable auxiliary distribution box is provided in the mains busbar cavity, and auxiliary distribution input terminals and auxiliary distribution output terminals are provided on the surface of the auxiliary distribution box, and the distribution input terminals are electrically connected to the input busbar assembly.

[0013] Furthermore, the heat dissipation assembly is composed of two or more heat dissipation fans, and the heat dissipation fans are aligned with the variable flow cavity.

[0014] Furthermore, the high-voltage box, branch output switch and bidirectional converter are all provided with handles at one end close to the cabinet surface for easy removal.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: a branch output switch, a high-voltage box and a bidirectional converter are arranged in the cabinet, and the branch output switch, the high-voltage box and the bidirectional converter are pluggably connected to the cabinet through the branch plug-in terminals, the electrical box plug-in terminals and the converter plug-in terminals respectively. When the branch output switch or the high-voltage box or the bidirectional converter needs to be maintained, it is only necessary to close the corresponding branch output switch to achieve single-circuit power outage, and the other high-voltage boxes and the bidirectional converter work normally. After power outage, the branch output switch or the high-voltage box or the bidirectional converter can be directly pulled out of the cabinet, which makes maintenance more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2This is the main view of the utility model;

[0018] Figure 3 This is a three-dimensional schematic diagram of the utility model without the branch output switch, high-voltage box and bidirectional converter installed;

[0019] Figure 4 This is a three-dimensional front view of the utility model without the branch output switch, high-voltage box and bidirectional converter installed;

[0020] Numbers in the figure: 1-cabinet, 2-heat dissipation cavity, 3-high-voltage output cavity, 301-electrical box bracket, 302-electrical box plug-in terminal, 4-control cavity, 401-controller bracket, 402-branch plug-in terminal, 5-converter cavity, 501-partition limit plate, 502-converter plug-in terminal, 6-mains busbar cavity, 7-busbar assembly, 701-mains input terminal, 702-main control switch, 8-cooling fan, 9-high-voltage box, 10-bidirectional converter, 11-auxiliary distribution box, 12-auxiliary distribution input terminal, 13-auxiliary distribution output terminal, 14-handle, 15-branch output switch. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The following combination Figures 1-4 A pluggable power distribution cabinet of the utility model is described in detail:

[0023] A pluggable power distribution cabinet comprises a cabinet body 1, in which a heat dissipation cavity 2, a high-voltage output cavity 3, a control cavity 4, a current conversion cavity 5 and a mains bus cavity 6 are provided. The heat dissipation cavity 2, the high-voltage output cavity 3, the control cavity 4 and the mains bus cavity 6 are all interconnected. An input bus cavity 6 is provided with an input bus component 7, and the surface of the input bus component 7 is provided with a mains input terminal 701 and a main control switch 702. The mains input terminal 701 is electrically connected to the branch output switch 15 through the main control switch 702. The main control switch 702 can control the opening and closing of the circuit of the entire power distribution cabinet. A heat dissipation component is provided in the heat dissipation cavity 2, and the heat dissipation component is composed of two or more heat dissipation fans 8. The heat dissipation fan 8 is aligned with the current conversion cavity 5. The heat dissipation fan 8 can extract the heat generated by the high-voltage box 9, the branch output switch 15 and the bidirectional converter 10 during operation to the outside of the cabinet body 1 to prevent the temperature in the cabinet body 1 from being too high.

[0024] The control chamber 4 is provided with a detachable branch output switch 15 and a controller bracket 401. There are six branch output switches 15 and six controller brackets 401. The six controller brackets 401 separate the control chamber 4 into six controller connection slots. The branch output switch 15 can be inserted into the controller connection slot. The inner wall of the controller connection slot is provided with a branch plug-in terminal 402 for connecting to the branch output switch 15; the high-voltage output chamber 3 is provided with a detachable high-voltage box 9 and an electric box bracket 301. The number of high-voltage boxes 9 is consistent with the number of branch output switches 15, and the number of electric box brackets 301 is consistent with the number of controller brackets 401. The six electric box brackets 301 separate the high-voltage output chamber 3 into six electric box connection slots. The high-voltage box 9 can be inserted into the electric box connection slot. The inner wall of the electric box connection slot is provided with a plug-in terminal 402 for connecting to the high-voltage box 9. The converter cavity 5 is equipped with a removable bidirectional converter 10, two layers, and a separator plate 501. The separator plate 501 is vertically arranged on the layers. The layers separate the converter cavity 5 into an upper layer and a lower layer. The separator plate 501 separates the upper and lower layers into six converter slots. The bidirectional converter 10 can be inserted into the converter slots. The inner walls of the converter slots are provided with converter plug-in terminals 502 for connecting to the bidirectional converter 10. The number of bidirectional converters 10 is twice that of the high-voltage box 9. Each high-voltage box 9 is connected to two bidirectional converters 10 through a branch output switch 15. The input bus assembly 7, the heat dissipation assembly, the converter plug-in terminals 302, the branch plug-in terminals 402, and the converter plug-in terminals 502 are all electrically connected.

[0025] A detachable auxiliary distribution box 11 is also provided in the mains busbar cavity 6. The auxiliary distribution box 11 has auxiliary distribution input terminals 12 and auxiliary distribution output terminals 13 on its surface. The distribution input terminals are electrically connected to the input busbar assembly 7. The auxiliary distribution output terminals 13 can be connected to weak current equipment and supply power. The high-voltage box 9, branch output switch 15 and bidirectional converter 10 are all provided with a handle 14 for easy removal at one end close to the surface of the cabinet 1. After holding the handle 14, the high-voltage box 9, branch output switch 15 and bidirectional converter 10 can be quickly pulled out.

[0026] The present embodiment provides a pluggable power distribution cabinet, in which a branch output switch 15, a high-voltage box 9 and a bidirectional converter 10 are provided in the cabinet 1. The branch output switch 15, the high-voltage box 9 and the bidirectional converter 10 are pluggably connected to the cabinet 1 through the branch plug-in terminal 402, the box plug-in terminal 302 and the converter plug-in terminal 502 respectively. When the branch output switch 15 or the high-voltage box 9 or the bidirectional converter 10 needs to be maintained, it is only necessary to close the corresponding branch output switch 15 to achieve single-circuit power outage, and the other high-voltage boxes 9 and the bidirectional converter 10 work normally. After power outage, the branch output switch 15 or the high-voltage box 9 or the bidirectional converter 10 can be directly pulled out of the cabinet 1, which makes maintenance more convenient.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pluggable power distribution cabinet, comprising a cabinet body, wherein a heat dissipation chamber, a high-voltage output chamber, a control chamber, a current conversion chamber, and a mains power converging chamber are provided in the cabinet body, wherein the heat dissipation chamber, the high-voltage output chamber, the control chamber, and the mains power converging chamber are interconnected, and wherein: The mains busbar cavity is provided with an input busbar assembly, the heat dissipation cavity is provided with a heat dissipation assembly, the control cavity is provided with a detachable branch output switch and a controller bracket, and there are more than two branch output switches and controller brackets. The two or more controller brackets separate the control cavity into more than two controller connection slots, and the branch output switch can be inserted into the controller connection slot. The inner wall of the controller connection slot is provided with a branch plug-in terminal for connecting to the branch output switch; A detachable high-voltage box and an electric box bracket are provided in the high-voltage output cavity. The number of high-voltage boxes is consistent with the number of branch output switches, and the number of electric box brackets is consistent with the number of controller brackets. Two or more electric box brackets separate the high-voltage output cavity into two or more electric box connection slots. The high-voltage box can be inserted into the electric box connection slot. The inner wall of the electric box connection slot is provided with an electric box plug-in terminal connected to the high-voltage box. A detachable bidirectional converter and a separation limit plate are provided in the converter cavity. The separation limit plate divides the converter cavity into two or more converter slots. The bidirectional converter can be inserted into the converter slot. The inner wall of the converter slot is provided with a converter plug-in terminal for connecting to the bidirectional converter. The input bus assembly, heat dissipation assembly, electrical box plug-in terminal, branch plug-in terminal and converter plug-in terminal are all conductively connected.

2. The pluggable power distribution cabinet according to claim 1, characterized in that: The number of the bidirectional converters is twice that of the high-voltage boxes, and each high-voltage box is connected to two bidirectional converters via a branch output switch.

3. The pluggable power distribution cabinet according to claim 1, characterized in that: The surface of the input bus assembly is provided with a mains input terminal and a main control switch, and the mains input terminal is electrically connected to the branch output switch through the main control switch.

4. A pluggable power distribution cabinet according to any one of claims 1 to 3, characterized in that: A detachable auxiliary distribution box is also provided in the mains busbar cavity. Auxiliary distribution input terminals and auxiliary distribution output terminals are provided on the surface of the auxiliary distribution box. The distribution input terminals are electrically connected to the input busbar assembly.

5. A pluggable power distribution cabinet according to any one of claims 1 to 3, characterized in that: The heat dissipation component is composed of more than two heat dissipation fans, and the heat dissipation fans are aligned with the variable flow cavity.

6. A pluggable power distribution cabinet according to any one of claims 1 to 3, characterized in that: The high-voltage box, branch output switch and bidirectional converter are all provided with handles for easy removal at one end close to the cabinet surface.

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