CN215934271U

CN215934271U - 10KV armored handcart switch cabinet suitable for high-altitude areas

Info

Publication number: CN215934271U
Application number: CN202023046435.XU
Authority: CN
Inventors: 陈迪; 马联超; 王敏; 姚策益
Original assignee: KUNMING DONGKONG ELECTRICAL APPLIANCE EQUIPMENT CO Ltd
Current assignee: KUNMING DONGKONG ELECTRICAL APPLIANCE EQUIPMENT CO Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2022-03-01
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a 10KV armored handcart switch cabinet suitable for high-altitude areas, which comprises a cabinet body, wherein an outlet terminal is arranged at the upper part of the cabinet body, an inlet terminal is arranged at the lower part of the cabinet body, a voltage transformer handcart, a current transformer and a circuit breaker handcart are arranged in the cabinet body, an outlet static contact is connected with the outlet terminal, heat dissipation plates are respectively arranged on the inner sides of two side walls and the rear wall of the cabinet body, the heat dissipation plates form air channels with the two side walls and the rear wall of the cabinet body, air ports are arranged on the outer sides of the lower part and the upper part of each air channel, and fans are arranged on the air ports. The switch cabinet is reasonable in structural design and layout, has a multilayer structure, and improves the space utilization rate of a handcart; the electric shock risk can be reduced, the failure rate is reduced, and other elements are prevented from being affected when the failure occurs; the heat dissipation and insulation function is provided, the temperature stability is guaranteed, and the high-altitude environment with large temperature difference change is effectively adapted to use, so that the accident rate is reduced, and the operation reliability of the switch cabinet handcart is improved.

Description

10KV armored handcart switch cabinet suitable for high-altitude areas

Technical Field

The utility model belongs to the technical field of power distribution system equipment, and particularly relates to a 10KV armored handcart switch cabinet suitable for high-altitude areas.

Background

In a power distribution system, a switch cabinet is an electrical device for controlling electrical components such as an instrument and a contactor, and is classified into an open-type switch cabinet, a metal-enclosed switch cabinet, and a metal-enclosed armored switch cabinet according to the structure of a cabinet body. The method is mainly suitable for occasions such as power plants, transformer substations, factory enterprises and the like. In the prior art, only one cavity is usually arranged in a switch cabinet, which is easy to cause disorder of wiring; the interior of the cabinet body can not be separated according to different application occasions, and the cabinet body is generally required to be transformed on site, so that the use is inconvenient.

On the other hand, the day and night temperature and seasonal temperature of the high-altitude area change greatly, but the existing switch cabinet is difficult to adapt and use, the switch cabinet has extremely high requirements on heat dissipation and heat insulation in the use process of the high-altitude area, and the switch cabinet is easily used outside the high-altitude area to enter ash to cause reduction of working efficiency or short circuit, if the switch cabinet is not selected or used properly, a plurality of factors such as voltage fluctuation of a power supply system can be caused, the power quality is greatly influenced, and even other electric equipment is damaged, and the maintenance is difficult; and the area through which the power grid is transmitted in the high-altitude area is remote, so that the transportation is inconvenient, the power transmission distance is long, and the effective management, the maintenance and the timely maintenance of the transmission equipment are not facilitated.

Therefore, the key point for solving the problem is to develop a switch cabinet which can meet the electric energy transmission requirement of the high-altitude area.

SUMMERY OF THE UTILITY MODEL

The utility model provides a 10KV armored handcart switch cabinet suitable for high-altitude areas.

The utility model is realized by the following technical scheme: including the cabinet body, set up outlet terminal on the upper portion of the cabinet body, the lower part sets up inlet terminal the lower left corner of the cabinet body sets up the cable clamp and connects inlet terminal set up current transformer on the left side wall of cabinet body in cable clamp top set up the voltage transformer handcart in the cabinet body on cable clamp right side, and the contact plate on voltage transformer handcart upper portion extends to the cable clamp top, and contact plate and current transformer, cable clamp movable fit, and the contact plate makes intercommunication or disconnection between current transformer and the cable clamp current transformer's top sets up the circuit breaker handcart, the sub-unit connection current transformer of circuit breaker handcart, upper portion are connected outlet static contact and controller respectively, outlet static contact connection outlet terminal the inboard of the both sides wall of the cabinet body, back wall sets up the heating panel respectively.

Furthermore, the heat dissipation plate, the two side walls and the rear wall of the cabinet body form an air channel, the lower part and the upper part of each air channel are respectively provided with at least two spoilers, the two spoilers in the same air channel are arranged in a staggered manner, and each spoiler is uniformly provided with a downward-inclined spoiler baffle; and air openings are formed in the outer sides of the lower part and the upper part of each air duct, and cooling fans are arranged on the air openings.

The utility model has the beneficial effects that:

1) the switch cabinet has a multilayer structure, meets the requirements of various occasions, is reasonable in structural design and layout, improves the grounding structure mode, improves the space utilization rate of a handcart and saves space; the electric shock risk can be reduced, the potential safety hazard problem can be eliminated, the fuse serving as an explosive element can be sealed, the failure rate can be reduced, and other elements can be prevented from being affected when a failure occurs;

2) the intelligent heat-insulation switch cabinet has good damp-proof and rain-proof effects, good ventilation, heat dissipation and heat insulation effects while rain proofing is not influenced, can normally and stably work in high altitude, climate and temperature difference variable environments, has high and low temperature resistance and frost resistance, has partial intelligent supervision functions, can supervise internal conditions in real time, achieves timely heat dissipation and heat insulation, and effectively solves the problems that the use effect of equipment in the switch cabinet is poor and the equipment is easy to damage; the maintenance frequency is reduced, and the problems that the area where the power grid is conveyed in a high-altitude area is remote, the transportation is inconvenient, the power transmission distance is long, and the timely maintenance and the overhaul of the conveying equipment are not facilitated are solved; the service life of the power distribution cabinet is prolonged, the accident rate is reduced, the maintenance frequency and cost are reduced, and the stability and the quality of the operation of a power grid are ensured, so that the aim of improving the economic efficiency of power transmission is fulfilled;

3) in addition, due to the fact that the temperature and humidity sensor is arranged, when the temperature is too high or too low, an alarm can be given, the control device starts the cooling fan to dissipate heat or the heater to heat, and the high-altitude heat dissipation device is suitable for being used in high-altitude environments with large climate and temperature difference changes, so that major accidents are avoided, the operation reliability of the switch cabinet handcart is improved, and the maintenance rate is effectively reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the cabinet body according to the present invention;

reference numbers in the figures: 1-cabinet body, 2-outlet terminal, 3-inlet terminal, 4-cable clamp, 5-current transformer, 6-voltage transformer handcart, 7-breaker handcart, 8-outlet static contact, 9-controller, 10-middle static contact, 11-partition plate, 12-diaphragm plate, 13-bus chamber, 14-lower handcart chamber, 15-upper handcart chamber, 16-lightning arrester, 17-grounding bus special allocation, 18-heater, 19-heat dissipation plate, 20-air duct, 21-spoiler, 22-radiator fan, 23-night lamp, 24-slope top, 25-damp-proof layer, 26-heat preservation layer, 27-temperature and humidity sensor, 28-protective filter screen, 29-leakage detector, 30-door and 31-spoiler.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

As shown in fig. 1-2, the 10KV armored handcart switch cabinet applicable to high altitude areas comprises a cabinet body 1, a wire outlet terminal 2 is arranged at the upper part of the cabinet body 1, a wire inlet terminal 3 is arranged at the lower part of the cabinet body, a cable clamp 4 is arranged at the lower left corner of the cabinet body 1 and is connected with the wire inlet terminal 3, a current transformer 5 is arranged on the side wall of the cabinet body 1 at the left top of the cable clamp 4, a voltage transformer handcart 6 is arranged in the cabinet body 1 at the right side of the cable clamp 4, a contact plate at the upper part of the voltage transformer handcart 6 extends to the top of the cable clamp 4, the contact plate is in movable fit with the current transformer 5 and the cable clamp 4, the contact plate enables the current transformer 5 and the cable clamp 4 to be communicated or disconnected, a circuit breaker handcart 7 is arranged above the current transformer 5, the lower part of the circuit breaker handcart 7 is connected with the current transformer 5, and the upper part is respectively connected with a fixed contact wire outlet 8 and a controller 9, the outlet static contact is connected with the outlet terminal 2, and the inner sides of the two side walls and the rear wall of the cabinet body 1 are respectively provided with a heat radiation plate 19.

The circuit breaker handcart 7 is provided with a wiring contact, and the other end of the wiring contact is respectively connected with the current transformer 5 and the cable clamp 4; be provided with middle static contact 10 between circuit breaker handcart 7 and the voltage transformer, middle static contact 10 sets up on the lateral wall of last handcart room 15, and it and circuit breaker handcart 7 movable fit.

The internal perpendicular bottom surface of cabinet 1 be provided with a division board 11, set up a cross slab 12 at the middle part of division board 11, cross slab 12 divide into bus-bar room 13, lower handcart room 14 and last handcart room 15 to the cabinet body 1 jointly bus-bar room 13 bottom sets up cable clamp 4 and connects incoming terminal 3, and the middle part sets up current transformer 5, and upper portion sets up leading-out terminal 2 lower handcart room 14 sets up voltage transformer handcart 6, and voltage transformer handcart 6 passes through contact plate connecting cable clamp 4, current transformer 5 last handcart room 15 sets up circuit breaker handcart 7.

And a lightning arrester 16 and a grounding bus special distribution 17 are arranged in the bus chamber 13 below the current transformer 5, the lightning arrester 16 is connected with a grounding switch, and the grounding switch is arranged on the grounding bus special distribution 17.

The lower part of the bus chamber 13, the lower handcart chamber 14 and the upper handcart chamber 15 are respectively provided with a heater 18 and a cooling fan 22, the lower handcart chamber 14 and the upper handcart chamber 15 are respectively provided with a chamber door 30, and the chamber door 30 is provided with a lock and a waterproof sealing ring.

The heat dissipation plate 19 forms an air duct 20 with two side walls and a rear wall of the cabinet body 1, the lower part and the upper part of each air duct 20 are respectively provided with at least two spoilers 21, the two spoilers 21 in the same air duct 20 are arranged in a staggered manner, and each spoiler 21 is uniformly provided with a downward spoiler 31; air outlets are arranged at the outer sides of the lower part and the upper part of each air duct 20, a heat radiation fan 22 is arranged on each air outlet, the heat radiation fan 22 at the lower part of the air duct 20 sucks air into the air duct 20, and the heat radiation fan 22 at the upper part of the air duct 20 discharges the air from the air duct 20.

The upper part of the spoiler 21 is provided with a heat dissipation micropore which is communicated with the corresponding bus chamber 13, the upper handcart chamber 15 or the lower handcart chamber 14.

The top of the bus chamber 13 is provided with a night lamp 23, so that the working conditions of the parts in the cabinet body 1 can be clearly seen at night or in a dark environment.

The bottom of the cabinet body 1 is provided with a moisture-proof layer 25 which is internally provided with moisture-proof filling materials.

The bus chamber 13 is internally provided with a temperature and humidity sensor 27, the temperature and humidity sensor 27 is connected with the controller 9, and the temperature and humidity environment in the cabinet body 1 is detected in the whole process, so that whether the heat dissipation fan 22 is started or not is judged or the heater 18 is started to heat up.

The wind gap outside be provided with protection filter screen 28, isolated little insect and large granule dust, debris get into in the cabinet body 1.

The controller 9 is a single chip microcomputer or a PLC (programmable logic controller) 9.

The partition plate 11 and the diaphragm plate 12 are insulating plates.

And a night lamp 23 is arranged at the top of the bus bar chamber 13.

The top of the cabinet body 1 is provided with a slope-shaped top 24, the cross section of the slope-shaped top 24 is triangular, and when the cabinet is used outdoors, water accumulated at the top is avoided and the water is prevented from leaking into the cabinet body 1.

The cabinet body 1 is wrapped with a heat insulation layer 26.

The lower part and the upper part of the bus bar chamber 13 are respectively provided with a leakage detector 29.

The working mode of the utility model is as follows: when the electric power transmission cable is used, the electric power transmission cable is connected to the lower part of the bus chamber 13 through the incoming line terminal 3 and is connected out of the upper part of the bus chamber 13 through the outgoing line terminal 2, and the current transformer 5 and the voltage transformer handcart 6 respectively detect the current and voltage change conditions in the electric power transmission cable in real time, so that the electric power transmission operation condition can be mastered, and the faults occurring in the electric power transmission process can be solved in time; when the current needs to be disconnected, the voltage transformer handcart 6 can be selectively pulled to disconnect the voltage transformer handcart 6 from the current transformer 5 and the cable clamp 4, so that the cable clamp 4 stops transmitting power to the current transformer 5, or the circuit breaker handcart 7 is selectively pulled to disconnect the circuit breaker handcart 7 from the current transformer 5 and the receiving line static contact 8, so that the current transformer 5 stops transmitting power to the circuit breaker handcart 7, and then the voltage transformer handcart 6 and the circuit breaker handcart 7 are both selected to be withdrawn from disconnection, so that double disconnection is realized, the problem that the power failure is not thorough due to the connection of the voltage transformer handcart 6 or the circuit breaker handcart 7 in the maintenance process, accidental electric shock and leakage accidents occur, and the power failure safety guarantee is improved.

In the using process, when the outside air temperature is too low or ice and snow freeze weather occurs, the heaters 18 in the bus chamber 13 and the upper handcart chamber 15 can be selectively opened to heat and raise the temperature, so that the parts of the current transformer 5, the voltage transformer handcart 6, the breaker handcart 7, the outgoing line static contact 8, the controller 9 and the middle static contact 10 are kept to normally operate in a normal temperature environment, and the operation failure or instability is avoided; when the operating temperature inside the cabinet body 1 is too high, the heat dissipation fans 22 at various positions in the air duct 20 can be selectively opened to suck external low-temperature gas into the cabinet body 1 for heat exchange, and meanwhile, hot gas in the cabinet body 1 is discharged, so that the components of the current transformer 5, the voltage transformer handcart 6, the circuit breaker handcart 7, the outgoing line static contact 8, the controller 9 and the middle static contact 10 are kept in normal operation in a normal temperature environment, and operation failure or instability is avoided; in the above process, the water vapor carried by the low-temperature gas sucked from the outside is blocked by the spoiler 31 on the spoiler 21, so as to prevent the water vapor from entering the bus bar room 13 to cause open circuit, and the heat dissipation plate 19 accelerates the heat exchange effect.

Claims

1. The utility model provides a 10KV armor formula handcart cubical switchboard suitable for high-altitude area, includes the cabinet body (1), sets up leading-out terminal (2) on the upper portion of the cabinet body (1), and the lower part sets up incoming line terminal (3), its characterized in that: the lower left corner of the cabinet body (1) is provided with a cable clamp (4) which is connected with an incoming terminal (3), the side wall of the cabinet body (1) on the left side of the top of the cable clamp (4) is provided with a current transformer (5), a voltage transformer handcart (6) is arranged in the cabinet body (1) on the right side of the cable clamp (4), a contact plate on the upper portion of the voltage transformer handcart (6) extends to the top of the cable clamp (4), the contact plate is in movable fit with the current transformer (5) and the cable clamp (4), the contact plate enables the current transformer (5) and the cable clamp (4) to be communicated or disconnected, a circuit breaker handcart (7) is arranged above the current transformer (5), the lower portion of the circuit breaker handcart (7) is connected with the current transformer (5), the upper portion is respectively connected with an outgoing static contact (8) and a controller (9), the outgoing static contact is connected with an outgoing terminal (2), and heat dissipation plates (19) are respectively arranged on the inner sides of the two side walls and the rear wall of the cabinet body (1).

2. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 1, wherein: a wiring contact is arranged on the circuit breaker handcart (7), and the other end of the wiring contact is respectively connected with a current transformer (5) and a cable clamp (4); be provided with middle static contact (10) between circuit breaker handcart (7) and the voltage transformer, middle static contact (10) set up on the lateral wall of last handcart room (15), its and circuit breaker handcart (7) clearance fit.

3. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 1, wherein: the cabinet body (1) in perpendicular bottom surface be provided with a division board (11), set up a cross slab (12) at the middle part of division board (11), cross slab (12) separate into bus-bar room (13), lower handcart room (14) and last handcart room (15) the bus-bar room (13) bottom sets up cable clamp (4) and connects incoming line terminal (3), and the middle part sets up current transformer (5), upper portion sets up leading-out terminal (2) lower handcart room (14) set up voltage transformer handcart (6), voltage transformer handcart (6) are through contact plate connecting cable clamp (4), current transformer (5) last handcart room (15) set up circuit breaker handcart (7).

4. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 1, wherein: a lightning arrester (16) and a grounding bus special distribution (17) are arranged in a bus chamber (13) below the current transformer (5), the lightning arrester (16) is connected with a grounding switch, and the grounding switch is arranged on the grounding bus special distribution (17).

5. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 3, wherein: the bus chamber is characterized in that a heater (18) and a cooling fan (22) are respectively arranged in the lower portion of the bus chamber (13), the lower handcart chamber (14) and the upper handcart chamber (15) are respectively matched with a chamber door (30), and a lock and a waterproof sealing ring are arranged on the chamber door (30).

6. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 1, wherein: the heat dissipation plate (19) and two side walls and a rear wall of the cabinet body (1) form an air duct (20), the lower part and the upper part of each air duct (20) are respectively provided with at least two spoilers (21), the two spoilers (21) in the same air duct (20) are arranged in a staggered manner, and each spoiler (21) is uniformly provided with a downward spoiler (31); and air openings are formed in the outer sides of the lower part and the upper part of each air duct (20), and cooling fans (22) are arranged on the air openings.

7. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 6, wherein: the upper part of the spoiler (21) is provided with a heat dissipation micropore, and the heat dissipation micropore is communicated with a bus chamber (13), an upper handcart chamber (15) or a lower handcart chamber (14) corresponding to the heat dissipation micropore.

8. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 3, wherein: a night lamp (23) is arranged at the top of the bus chamber (13).

9. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 1, wherein: a slope-shaped top (24) is arranged at the top of the cabinet body (1), and the cross section of the slope-shaped top (24) is triangular; the bottom of the cabinet body (1) is provided with a moisture-proof layer (25) which is internally provided with moisture-proof filling materials; the cabinet body (1) is wrapped with a heat-insulating layer (26).

10. The 10KV armored handcart switch cabinet applicable to high-altitude areas according to claim 3, wherein: and a temperature and humidity sensor (27) is arranged in the bus chamber (13), and the temperature and humidity sensor (27) is connected with the controller (9).