CN218850159U - High-low voltage power distribution cabinet and power supply system - Google Patents

Abstract

A high-low voltage power distribution cabinet and a power supply system relate to the technical field of power distribution equipment. The high-low voltage power distribution cabinet comprises a cabinet body, a first partition plate, a high-voltage device and a low-voltage device, wherein the first partition plate, the high-voltage device and the low-voltage device are arranged in the cabinet body; still be equipped with transparent baffle in the first cabin, high-voltage device includes the busbar, and transparent baffle and the cooperation of the cabinet body are kept apart the busbar. This high-low voltage distribution cabinet keeps apart high-voltage device and low-voltage device through set up first baffle in the cabinet body, and the security is higher, can also avoid receiving the interference because of high-voltage cable and low-voltage cable are too close and lead to the communication of low-voltage cable. In addition, this high-low voltage distribution cabinet still adopts transparent baffle to further keep apart the busbar, has further improved the security, can also provide convenient for maintenance debugging work.

Description

High-low voltage power distribution cabinet and power supply system

Technical Field

The utility model relates to a distribution equipment technical field particularly, relates to a high-low voltage power distribution cabinet and power supply system.

Background

The high-low voltage power distribution cabinet is a power distribution device used for distributing, controlling, metering and connecting cables in a power supply system, a general power supply station and a substation use a high-voltage switch cabinet, then are subjected to voltage reduction through a transformer, are led out to the low-voltage power distribution cabinet from a low-voltage side, and the low-voltage power distribution cabinet distributes electric energy to distribution boards, control boxes and switch boxes of all power consumptions.

Inside more electric wire that has set up of high-low voltage distribution cabinet often will open the cabinet door and operate when overhauing. However, the high-voltage part of the existing high-low voltage power distribution cabinet is not isolated, the condition of the bus bar cannot be observed, the maintenance is not easy, and safety accidents are easy to happen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-low voltage distribution cabinet and power supply system can improve the security and the convenience of maintenance debugging.

The embodiment of the utility model is realized like this:

the embodiment of the utility model provides a high-low voltage power distribution cabinet, including the cabinet body and setting up first baffle, high-voltage device and low-voltage device in the cabinet body, first baffle separates first cabin and second cabin in the cabinet body, high-voltage device is located in the first cabin, low-voltage device is located in the second cabin; still be equipped with transparent baffle in the first cabin, high-voltage device includes the busbar, and transparent baffle and the cooperation of the cabinet body are kept apart the busbar.

Optionally, the high-voltage device further includes an isolation switch electrically connected to the busbar, the isolation switch is located on one side of the busbar facing the cabinet opening, a protective cover is arranged on the isolation switch, and the protective cover isolates the isolation switch and exposes an operation portion of the isolation switch.

Optionally, a second partition plate located in the second cabin is further arranged in the cabinet body, the low-voltage device includes a transformer, and the second partition plate is matched with the cabinet body to isolate the transformer.

Optionally, a guide rail connected with the cabinet body is arranged in the second cabin, and the low-voltage device is mounted on the guide rail.

Optionally, a wire casing connected with the cabinet body is arranged in the second cabin, and the wire casing is used for accommodating a low-voltage cable electrically connected with a low-voltage device.

Optionally, the cabinet body is internally provided with a first waterproof connector and a second waterproof connector, a high-voltage cable of the high-voltage device enters and exits the cabinet body through the first waterproof connector, and a low-voltage cable of the low-voltage device enters and exits the cabinet body through the second waterproof connector.

Optionally, the first waterproof joint is located in an isolation space formed by the transparent partition plate and the cabinet body in a matched mode.

Optionally, a wire hole is formed in the second partition plate, and the wire hole is used for passing through a low-voltage cable electrically connected with the transformer.

Optionally, a first air inlet window, a first air outlet window, a second air inlet window and a second air outlet window are arranged on the rear plate of the cabinet body, the first air inlet window and the first air outlet window are arranged corresponding to the first cabin, and the second air inlet window and the second air outlet window are arranged corresponding to the second cabin; the first air inlet window is provided with a first air inlet fan, the first air outlet window is provided with a first air outlet fan, the second air inlet window is provided with a second air inlet fan, the second air outlet window is provided with a second air outlet fan, the first air inlet fan, the first air outlet fan, the second air inlet fan and the second air outlet fan are located in the cabinet body, the first air inlet fan is located below the first air outlet fan, and the second air inlet fan is located below the second air outlet fan.

The embodiment of the utility model provides a still provide a power supply system, include the high-low voltage distribution cabinet as above arbitrary one.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides a high-low voltage power distribution cabinet, including the cabinet body and set up first baffle, high-voltage device and low-voltage device in the cabinet body, first baffle separates first cabin and second cabin in the cabinet body, high-voltage device is located in the first cabin, low-voltage device is located in the second cabin; still be equipped with transparent baffle in the first cabin, high-voltage device includes the busbar, and transparent baffle and the cooperation of the cabinet body are kept apart the busbar. Above-mentioned high-low voltage power distribution cabinet keeps apart high-voltage device and low-voltage device through set up first baffle in the cabinet body, and the staff can not miss the high-voltage device of touching at the in-process of maintenance debugging or operation low-voltage device, and the security is higher. Meanwhile, the communication of the low-voltage cable can be prevented from being interfered due to the fact that the high-voltage cable and the low-voltage cable are too close to each other. In addition, above-mentioned high-low voltage power distribution cabinet still adopts transparent baffle to further keep apart the busbar, can enough prevent that the staff from touching the busbar by mistake, has further improved the security, can also make the staff observe the structure of busbar and the behavior under the condition of not demolising transparent baffle, provides convenient for maintenance debugging work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is one of schematic structural diagrams of a high-voltage and low-voltage power distribution cabinet provided by an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a high-low voltage power distribution cabinet according to an embodiment of the present invention;

fig. 3 is one of cross-sectional views of a high-low voltage power distribution cabinet provided by an embodiment of the present invention;

fig. 4 is a second cross-sectional view of the high-low voltage power distribution cabinet according to the embodiment of the present invention;

fig. 5 is a third schematic structural view of a high-low voltage power distribution cabinet according to an embodiment of the present invention;

fig. 6 is the fourth schematic structural diagram of the high-low voltage power distribution cabinet provided by the embodiment of the utility model.

Icon: 100-a high-low voltage power distribution cabinet; 111-a cabinet body; 112-a cabinet door; 120-a first separator; 130-a transparent barrier; 141-a protective cover; 142-a support plate; 143-a third separator; 150-a second separator; 151-routing holes; 152-a transformer; 160-a guide rail; 170-wire chase; 181-first joint mounting plate; 182-a second watertight joint; 183-second joint mounting plate; 191-a first air intake window; 192-a first air outlet window; 193-second air intake window; 194-a second air outlet window; 195-a first air intake fan; 196-a first air outlet fan; 197-a second air intake fan; 198-second air outlet fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2 in combination, an embodiment of the present application provides a high-voltage and low-voltage power distribution cabinet 100, which includes a cabinet 111, and a first partition 120, a high-voltage device, and a low-voltage device that are disposed in the cabinet 111, where the first partition 120 partitions a first cabin and a second cabin in the cabinet 111, the high-voltage device is located in the first cabin, and the low-voltage device is located in the second cabin; a transparent partition 130 is further arranged in the first cabin, the high-voltage device comprises a bus, and the bus is isolated by the transparent partition 130 and the cabinet body 111 in a matching mode.

The cabinet body 111 of the high-low voltage power distribution cabinet 100 is a cabinet body 111 with an opening on one side, a worker maintains and debugs a high-voltage device and a low-voltage device which are installed inside the cabinet body 111 through the opening of the cabinet body 111, and the cabinet door 112 can be arranged at the opening of the cabinet body 111 to open or close. Preferably, the cabinet 111 is rectangular, and in other embodiments, the cabinet 111 may have other shapes. The cabinet 111 is divided into a first compartment and a second compartment by a first partition 120, the first compartment is used for arranging high-voltage devices, and the second compartment is used for arranging low-voltage devices. By using the first partition plate 120 to separate the high-voltage device from the low-voltage device, a worker does not touch the high-voltage part by mistake in the process of maintaining, debugging or operating the low-voltage device, and the probability of safety accidents is reduced. Meanwhile, the layout of the cables in the cabinet body 111 can be more reasonable, and the communication of the low-voltage cables caused by the fact that the high-voltage cables of the high-voltage devices and the low-voltage cables of the low-voltage devices are too close to each other is prevented from being interfered.

The high-voltage device comprises a bus bar, the working voltage of the bus bar can reach 10KV-20KV sometimes, and the bus bar has partial conductor exposed in the air, so that the bus bar is very dangerous and needs to be further isolated. Specifically, be equipped with transparent baffle 130 in the first cabin, transparent baffle 130 is connected with cabinet 111 to divide into solitary region in the first cabin with cabinet 111 cooperation and be used for installing the busbar, so that other high-voltage devices in messenger's busbar and the first cabin are kept apart, and guarantee that the staff can not miss and touch the busbar. The structure and the behavior of busbar can be observed through transparent baffle 130 to the staff, has improved the convenience of maintenance debugging process.

Illustratively, the first partition 120 is fixedly connected to the cabinet 111 by welding, the transparent partition 130 is a PC board (polycarbonate board), and the transparent partition 130 is detachably connected to the cabinet 111 by bolts.

It should be noted that, firstly, the high-voltage device is a device with a working voltage equal to or higher than 480V, and if a worker touches the high-voltage device by mistake, a safety accident occurs; the low-voltage device refers to a device with an operating voltage lower than 480V, and the low-voltage device is relatively safe and needs to be operated frequently.

The second, can be totally isolated each other between first cabin and the second cabin, also can some regional intercommunication settings, can understand, if some regional intercommunication settings between first cabin and the second cabin, then should guarantee that the staff can not contact the high-voltage component because of the regional contact of intercommunication in the in-process of carrying out the maintenance debugging in the second cabin. The first cabin and the second cabin can be arranged left and right or up and down, but both of them correspond to the opening of the cabinet 111; preferably, the first chamber and the second chamber are provided on the left and right sides.

Above-mentioned high-low voltage power distribution cabinet 100, through set up first baffle 120 in cabinet body 111 and keep apart high-voltage device and low-voltage device, the staff can not miss the high-voltage device of touching at the in-process of maintenance debugging or operation low-voltage device, and the security is higher. Meanwhile, the layout of cables in the cabinet body 111 can be more reasonable, and the communication of low-voltage cables is prevented from being interfered due to the fact that the high-voltage cables and the low-voltage cables are too close to each other. In addition, above-mentioned high-low voltage power distribution cabinet 100 still adopts transparent baffle 130 to further keep apart the busbar, can enough prevent that the staff from touching the busbar by mistake, has further improved the security, can also make the structure and the behavior that the staff observed the busbar under the condition of not demolising transparent baffle 130, provides convenient for maintenance debugging work.

Referring to fig. 1 and fig. 3, optionally, in an implementation manner of the embodiment of the present invention, the high-voltage device further includes an isolation switch electrically connected to the busbar, the isolation switch is located on one side of the busbar facing the opening of the cabinet 111, the isolation switch is provided with a protective cover 141, and the protective cover 141 isolates the isolation switch and exposes an operation portion of the isolation switch.

The protective cover 141 completely protects the isolating switch except for the part needing to be operated, and under the condition that the protective cover 141 is not detached, a worker cannot touch a bus bar behind the isolating switch when operating the isolating switch, so that the safety of the worker is guaranteed.

Exemplarily, the busbar is vertically arranged in the first cabin, a working surface of the busbar faces an opening of the cabinet 111, a supporting plate 142 connected with the cabinet 111 is arranged in the first cabin, the supporting plate 142 is horizontally arranged, the isolating switch is installed on the surface of the supporting plate 142, the transparent partition 130 is vertically arranged and is connected with the edge of the supporting plate 142 close to the opening, a third partition 143 is further arranged in the first cabin, the third partition 143 is vertically arranged and is connected with the edge of the supporting plate 142 away from the opening, a connecting window is arranged on the third partition 143, so that the isolating switch is connected with the busbar through the connecting window, and the protective cover 141 covers the isolating switch and is detachably connected with the supporting plate 142 and the third partition 143 through bolts.

Referring to fig. 1 and 4, optionally, in an implementation manner of the embodiment of the present invention, a second partition 150 located in the second compartment is further disposed in the cabinet 111, the low-voltage device includes a transformer 152, and the second partition 150 cooperates with the cabinet 111 to isolate the transformer 152. The second partition 150 isolates the transformer 152 from other low-voltage devices in the second compartment, so that a certain heat insulation effect can be achieved, and the influence of heat generated by the operation of the transformer 152 on other low-voltage devices can be reduced.

Illustratively, the second partition 150 is disposed vertically, the transformer 152 is disposed at the rear of the second compartment, and other low-voltage devices are disposed at the front of the second compartment, it being understood that the front of the second compartment is the region close to the opening of the cabinet 111, and the rear is the region far away from the opening of the cabinet 111. Illustratively, the second partition 150 is connected to the cabinet 111 by welding.

Optionally, in an implementation manner of the embodiment of the present invention, a wire hole 151 is disposed on the second partition 150, and the wire hole 151 is used for passing through a low voltage cable electrically connected to the transformer 152. The low voltage cables on the transformer 152 extend through the wiring holes 151 to connect with other low voltage devices in the second compartment.

Optionally, in an achievable mode of the embodiment of the present invention, a guide rail 160 connected to the cabinet 111 is disposed in the second cabin, and the low voltage device is mounted on the guide rail 160.

Low voltage devices in the second compartment, such as switches, fuses, circuit breakers, etc., are secured within the cabinet 111 by rails 160. Illustratively, the rail 160 is a switch rail; the guide rails 160 are installed on the sidewalls of the cabinet 111 and/or the second partition 150, so that the layout of the devices in the cabinet 111 is more regular and reasonable.

Optionally, in an achievable mode of the embodiment of the present invention, a wire slot 170 connected to the cabinet 111 is disposed in the second cabin, and the wire slot 170 is used for accommodating a low-voltage cable electrically connected to the low-voltage device. Through setting up wire casing 170, can make the interior line of walking of second cabin more regular, reasonable.

Illustratively, the wire chase 170 is disposed on a sidewall of the cabinet 111 and/or the second bulkhead 150 and is disposed around the rail 160 such that low voltage cables on low voltage devices mounted on the rail 160 extend into the wire chase 170. Illustratively, the low-voltage cables include power supply cables and communication cables, which are located in different ones of the wire slots 170.

Referring to fig. 5, optionally, in an implementation manner of the embodiment of the present invention, a first waterproof joint and a second waterproof joint 182 are disposed in the cabinet 111, a high-voltage cable of the high-voltage device enters and exits the cabinet 111 through the first waterproof joint, and a low-voltage cable of the low-voltage device enters and exits the cabinet 111 through the second waterproof joint 182.

The first watertight connector is located in the first compartment, the second watertight structure is located in the second compartment, and the first watertight connector and the second watertight connector 182 can be applied to a water-carrying environment to provide safe and reliable connector connectors for high-voltage devices and low-voltage devices.

Illustratively, each of the first waterproof joints and the second waterproof joints 182 includes a plurality of first waterproof joints and a plurality of second waterproof joints 182 respectively distributed on the cabinet 111 in a rectangular array.

Illustratively, the bottoms of the first and second compartments are provided with a first joint mounting plate 181 and a second joint mounting plate 183, respectively, and a first watertight joint is provided on the first joint mounting plate 181 and a second watertight joint 182 is provided on the second joint mounting plate 183. The first joint mounting plate 181 and the second joint mounting plate 183 are detachably connected to the cabinet 111 by bolts and nuts, so that the first waterproof joint and the second waterproof joint 182 can be conveniently mounted and dismounted.

Referring to fig. 3, optionally, in an implementation manner of the embodiment of the present invention, the first waterproof joint is located in an isolation space formed by the transparent partition 130 and the cabinet 111, so as to utilize the transparent partition 130 to isolate the high-voltage cables at the same time, thereby improving the safety.

Referring to fig. 3, fig. 4 and fig. 6, optionally, in an implementation manner of the embodiment of the present invention, a first air inlet window 191, a first air outlet window 192, a second air inlet window 193 and a second air outlet window 194 are disposed on a rear plate of the cabinet body 111, the first air inlet window 191 and the first air outlet window 192 correspond to a first cabin, and the second air inlet window 193 and the second air outlet window 194 correspond to a second cabin, it can be understood that the rear plate of the cabinet body 111 is disposed opposite to the opening of the cabinet body 111; a first air inlet fan 195 is arranged on the first air inlet window 191, a first air outlet fan 196 is arranged on the first air outlet window 192, a second air inlet fan 197 is arranged on the second air inlet window 193, a second air outlet fan 198 is arranged on the second air outlet window 194, the first air inlet fan 195, the first air outlet fan 196, the second air inlet fan 197 and the second air outlet fan 198 are positioned in the cabinet body 111, the first air inlet fan 195 is positioned below the first air outlet fan 196, and the second air inlet fan 197 is positioned below the second air outlet fan 198. According to the principle that hot air rises, air is discharged from the lower air inlet and the upper air outlet in the first cabin and the second cabin, so that heat in the cabinet body 111 can be effectively discharged, and the heat dissipation effect can be improved while the protection requirement is met.

Illustratively, the first air inlet opening 191, the first air outlet opening 192, the second air inlet opening 193 and the second air outlet opening 194 are louvers. Filter cotton is arranged between the first air inlet window 191 and the first air inlet fan 195, between the first air outlet window 192 and the first air outlet fan 196, between the second air inlet window 193 and the second air inlet fan 197, and between the second air outlet window 194 and the second air outlet fan 198, so that the dustproof and insect-proof effects are achieved.

Illustratively, the first air inlet window 191, the first air outlet window 192, the second air inlet window 193 and the second air outlet window 194 are distributed in a rectangular shape, the first air inlet window 191 corresponds to the bottom position of the first cabin, the first air outlet window 192 corresponds to the top position of the first cabin, the second air inlet window 193 corresponds to the bottom position of the second cabin, and the second air outlet window 194 corresponds to the top position of the second cabin, so as to further improve the heat dissipation effect.

Illustratively, the rear parts of the first and second compartments communicate with each other, the bus bar is disposed at the rear part of the 5 th compartment, the transformer 152 is disposed at the rear part of the second compartment, and the transformer 152 is isolated from other low voltage devices in the second compartment by the second partition 150. Through setting up first cabin and second cabin intercommunication, can make first air inlet window 191, first air-out window 192, second air inlet window 193 and second air-out window 194 dispel the heat for devices such as transformer 152 and busbar simultaneously, further improved the radiating effect.

0 this embodiment also provides a power supply system, including the high-low voltage power distribution cabinet 100 as above.

The power supply system comprises the same structure and beneficial effects as the high-low voltage power distribution cabinet 100 in the previous embodiment. The structure and the beneficial effects of the high-low voltage power distribution cabinet 100 have been described in detail in the foregoing embodiments, and are not repeated herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A high-low voltage power distribution cabinet is characterized by comprising a cabinet body, a first partition plate, a high-voltage device and a low-voltage device, wherein the first partition plate, the high-voltage device and the low-voltage device are arranged in the cabinet body;

still be equipped with transparent baffle in the first cabin, high-voltage device includes the busbar, transparent baffle with the cabinet body cooperation will the busbar is kept apart.

2. The high-low voltage power distribution cabinet according to claim 1, wherein the high-voltage device further comprises an isolation switch electrically connected to the busbar, the isolation switch is located on one side of the busbar facing the cabinet opening, and a protective cover is provided on the isolation switch, and the protective cover isolates the isolation switch and exposes an operating part of the isolation switch.

3. The high-low voltage power distribution cabinet according to claim 1, wherein a second partition board located in the second compartment is further disposed in the cabinet body, the low-voltage device includes a transformer, and the second partition board is matched with the cabinet body to isolate the transformer.

4. The high-low voltage power distribution cabinet according to claim 1, wherein a rail connected to the cabinet body is provided in the second compartment, and the low-voltage device is mounted on the rail.

5. The high-low voltage power distribution cabinet according to claim 1, wherein a wire slot connected to the cabinet body is provided in the second compartment, and the wire slot is used for accommodating a low-voltage cable electrically connected to the low-voltage device.

6. The high-low voltage power distribution cabinet according to claim 1, wherein a first waterproof connector and a second waterproof connector are arranged in the cabinet body, a high-voltage cable of the high-voltage device enters and exits the cabinet body through the first waterproof connector, and a low-voltage cable of the low-voltage device enters and exits the cabinet body through the second waterproof connector.

7. The high-low voltage power distribution cabinet according to claim 6, wherein the first waterproof joint is located in an isolation space formed by the transparent partition plate and the cabinet body in a matched manner.

8. The high-low voltage power distribution cabinet according to claim 3, wherein the second partition board is provided with a wire routing hole, and the wire routing hole is used for passing through a low-voltage cable electrically connected with the transformer.

9. The high-low voltage power distribution cabinet according to claim 1, wherein a first air inlet window, a first air outlet window, a second air inlet window and a second air outlet window are arranged on a rear plate of the cabinet body, the first air inlet window and the first air outlet window are arranged corresponding to the first cabin, and the second air inlet window and the second air outlet window are arranged corresponding to the second cabin;

the cabinet is characterized in that a first air inlet fan is arranged on the first air inlet window, a first air outlet fan is arranged on the first air outlet window, a second air inlet fan is arranged on the second air inlet window, a second air outlet fan is arranged on the second air outlet window, the first air inlet fan, the first air outlet fan, the second air inlet fan and the second air outlet fan are located in the cabinet body, the first air inlet fan is located below the first air outlet fan, and the second air inlet fan is located below the second air outlet fan.

10. An electric power supply system, characterized in that it comprises a high-low voltage distribution cabinet according to any one of claims 1 to 9.

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