CN205104818U - Metal armor puts aside formula switchgear with temperature control system - Google Patents

Abstract

The utility model discloses a metal armored removable switchgear with a temperature control system, which comprises a shell and a temperature control system. The shell includes a busbar room, a circuit breaker handcart room, a cable room and a relay instrument room , the temperature control system includes a single-chip microcomputer, a temperature sensor arranged in the casing, an electric heating wire arranged on the thermal insulation coating, a cooling pipe arranged inside the side wall of the casing, a compressor connected to the cooling pipe, and the cooling pipe It is connected with the compressor, the compressor is connected with the single-chip microcomputer, the arc extinguishing gas temporary storage device is installed in the busbar room, and the secondary plug, circuit breaker handcart and heating device are installed in the circuit breaker handcart room. The utility model has the function of temperature insulation, which can be adjusted to operate at a suitable temperature. The layout is reasonable, easy to overhaul, and effectively avoids accidents; the electrical components in the switchgear are effectively protected by designing an arc-extinguishing gas temporary storage device.

Description

A metal armored removable switchgear with a temperature control system

technical field

The utility model relates to a relatively large range, in particular to a metal armored removable switchgear with a temperature control system.

Background technique

In recent years, with the continuous expansion of the city's scale and the continuous increase in investment in urban infrastructure, all walks of life have shown a momentum of vigorous development. While power consumption continues to grow, the stability of power supply needs to be further stabilized. Moreover, as an important part of the supply, the role of the switchgear is very important, and it is often damaged due to the failure of the switchgear. Power receiving, power distribution and high-voltage motor starting, etc., to achieve the purpose of control, protection and detection, but there are still unreasonable aspects in the structural design of the metal armored removable switchgear on the market, which is easy to cause Misoperation will bring personal injury to the operator. The existing switchgear is divided into handcart room, busbar room, cable room and relay instrument room by partitions. The partitions between these electrical rooms are fixed, generally only A box door is set at the handcart room, so it is very difficult to install and maintain other electrical rooms. The existing switch control cabinet usually only has a heat dissipation system, but lacks a heating device for constant temperature. At extremely low temperatures, the electronic Due to the influence of temperature, the performance of components will be unstable, resulting in unstable signal processing and output of the control cabinet, resulting in failure. Therefore, a uniform and stable heating method is needed to ensure that it can maintain a constant temperature.

Contents of the invention

The purpose of this utility model is to provide a metal armored removable switchgear with a temperature control system to solve the problems raised in the above background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A metal armored removable switchgear with a temperature control system, including a housing and a temperature control system, the inner side of the side wall of the housing is provided with an insulating coating, the side wall of the housing is a vacuum double-layer side wall, A pressure gauge is set on the outside of the side wall of the casing, the casing includes a busbar room, a circuit breaker handcart room, a cable room and a relay instrument room, and the temperature control system includes a single-chip microcomputer, a temperature sensor and a device set in the casing The heating wire on the thermal insulation coating, the cooling pipe arranged inside the side wall of the housing, and the compressor connected to the cooling pipe, the cooling pipe is connected to the compressor, the compressor is connected to the single-chip microcomputer, and the bus bar The chamber is located in the upper left half of the housing. The busbar chamber is equipped with branch busbars, busbar bushings, static contact devices, static contact boxes and arc extinguishing gas temporary storage devices. The branch busbars are connected to the busbar bushings. There are three sets of connecting bodies of the branch busbar and the busbar bushing, and they are connected in parallel; the static contact device is connected to the branch busbar, and the static contact device is connected to the static contact box; the cable chamber is located inside the housing On the lower bottom plate on the left side, a current transformer, a grounding switch, a cable, a lightning rod and a ground main busbar are arranged in the cable chamber, the current transformer is installed on the inner shell wall of the shell side, and the grounding switch is installed The upper part of the lightning rod is connected to the grounding switch, the lower part is connected to the grounding main busbar, the upper part of the cable is connected to the current transformer and the grounding main busbar, and the lower part is connected to the grounding main busbar, and the grounding main busbar is installed on the base plate ; The interior of the circuit breaker handcart is provided with a secondary plug, a circuit breaker handcart and a heating device, the circuit breaker handcart is connected to the heating device, the heating device is connected to the single-chip microcomputer, and the circuit breaker handcart is installed on the relay The lower part of the instrument room, the upper part of the secondary plug is connected to the relay instrument room, and the lower part is connected to the circuit breaker handcart. A detachable partition is installed between the busbar room and the circuit breaker handcart room. The lower part is provided with a valve, and the push armrest is installed on the middle part on the left side of the housing.

Further: the lower right side of the housing is provided with a grounding switch operating mechanism and a small control wire slot, the grounding switch operating mechanism is installed on the upper part of the small control wire slot, and the upper part of the grounding switch operating mechanism is provided with a drawable A horizontal baffle, on which a movable trough structure is installed on the drawable horizontal baffle.

Still further: the bottom of the housing is provided with universal moving wheels.

Still further: there are four universal moving wheels, and a locking structure is arranged on the universal moving wheels.

Still further: a detachable partition is installed between the busbar room and the handcart room of the circuit breaker, and a valve is provided at the lower right part of the detachable partition.

A further solution: the busbar room, the circuit breaker handcart room and the cable room are provided with pressure relief passages and a pressure relief top plate is provided above the chambers.

Compared with the prior art, the beneficial effect of this technical solution is: it has the function of temperature insulation, which can avoid the phenomenon of short circuit and poor contact of the switch cabinet caused by the dust entering the switch cabinet due to the setting of the ventilation fan, and at the same time, the control of the single-chip microcomputer makes its It can be adjusted to operate at a suitable temperature, which is worthy of popularization and application. It has a reasonable layout and is easy to overhaul. The electrical components in the equipment are effectively protected, and the universal wheels and push armrests make it easier to move.

Description of drawings

Figure 1 is a schematic structural diagram of a metal armored removable switchgear with a temperature control system.

detailed description

The technical solution will be clearly and completely described below in conjunction with the accompanying drawings.

Please refer to Figure 1, a metal armored removable switchgear with a temperature control system, including a housing 1 and a temperature control system, the inner side of the side wall of the housing 1 is provided with an insulating coating 31, the housing 1 The side wall is a vacuum double-layer side wall 29, and a pressure gauge 32 is arranged on the outside of the side wall of the housing 1. The housing 1 includes a busbar chamber 22, a circuit breaker handcart chamber 23, a cable chamber 24 and a relay instrument chamber 25, The temperature control system includes a single-chip microcomputer 33, a temperature sensor 30 arranged in the casing 1, a heating wire arranged on the thermal insulation coating 31, a cooling pipe arranged inside the side wall of the casing 1, and a compressor connected to the cooling pipe. 34, the cooling pipe is connected to the compressor 34, the compressor 34 is connected to the single chip microcomputer 33, the busbar chamber 22 is located in the upper left half of the housing 1, and the busbar chamber 22 is provided with a branch busbar 2 , bus bushing 3, static contact device 5, static contact box 6 and arc extinguishing gas temporary storage device 28, the branch bus 2 is connected to the bus bushing 3, and the branch bus 2 and bus bushing 3 are connected There are three groups connected in parallel, the static contact device 5 is connected to the branch bus 2, and the static contact device 5 is connected to the static contact box 6; the cable chamber 24 is located on the left lower bottom plate inside the housing 1 19, the cable chamber 24 is provided with a current transformer 7, a grounding switch 8, a cable 9, a lightning rod 10 and a main bus bar 11, the current transformer 7 is installed on the inner shell wall of the housing 1 side, and the grounding The switch 8 is installed on the lower part of the current transformer 7, the upper part of the lightning rod 10 is connected to the grounding switch 8, the lower part is connected to the grounding main bus bar 11, the upper part of the cable 9 is connected to the current transformer 7 and the grounding main bus bar 11, and the lower part is connected to the grounding main bus bar 11. The grounding main busbar 11 is connected, and the grounding main busbar 11 is installed on the bottom plate 19; the grounding switch operating mechanism 18 and the control small wire slot 21 are arranged in the lower right side of the inside of the housing 1, and the grounding switch operating mechanism 18 is installed On the upper part of the small control trunking 21, the upper part of the grounding switch operating mechanism 18 is provided with a drawable horizontal partition 17, and a movement slot structure is installed on the drawable horizontal partition 17; the circuit breaker handcart room 23 A secondary plug 14, a circuit breaker handcart 15 and a heating device 16 are provided inside, the circuit breaker handcart 15 is connected to the heating device 16, the heating device 16 is connected to the single chip microcomputer 33, and the circuit breaker handcart 15 is installed on The lower part of the relay meter room 25, the upper part of the secondary plug 14 is connected to the relay meter room 25, and the lower part is connected to the circuit breaker handcart 15, and a detachable partition 12 is installed between the busbar room 22 and the circuit breaker handcart room 23 , the lower right part of the loading and unloading partition 12 is provided with a valve 13, and the busbar chamber 22, the circuit breaker handcart chamber 23 and the cable chamber 24 are provided with a pressure relief channel and a pressure relief top plate 20 is provided above the chamber. There are four universal moving wheels 26 at the bottom of the housing 1, and a locking structure is arranged on the universal moving wheels 26; the push armrest 27 is installed in the middle of the left side of the housing 1 position.

The utility model adopts the temperature control system to ensure that the switch cabinet works at a very suitable temperature, so as to ensure the optimal operation of the switch cabinet, and sets the side wall of the switch cabinet as a vacuum layer, so that it can isolate the temperature from the outside world, thereby Realize the function of heat preservation or prevent temperature loss; set the heat preservation coating on the inner surface of the side wall, and set the heating wire on it, which is evenly distributed on the side wall and embedded in the heat preservation material, so that it will not be far away from the switch The equipment in the cabinet is too close to cause local overheating, and the cooling pipe is used to distribute it on the inside of the side wall, so that it can quickly reduce the temperature, so that it can maintain a suitable temperature, and it is compatible with the external compressor connected to each other, so that it can use the compressor to control the temperature, even in the case of failure of the heating wire, it can also control the temperature; a temperature sensor is installed in the switch cabinet, so that it can monitor the temperature change in the switch cabinet in real time, and The obtained information is fed back to the single-chip microcomputer, and the data processing is carried out by the single-chip microcomputer, so that it can realize automatic processing, so as to ensure that its temperature is at an appropriate temperature at all times. Through the improvement of the switchgear, it not only has the function of temperature insulation, but also can avoid the short circuit and poor contact of the switchgear caused by the dust entering the switchgear caused by the installation of the ventilation fan after being sealed. At the same time, the control of the single chip microcomputer enables it Adjusting to run at a suitable temperature is worthy of popularization and application.

The utility model has a reasonable layout and is convenient for inspection and maintenance. The safety of operators and maintenance personnel is ensured by adding partitions, and accidents are effectively avoided; the electrical components in the switchgear are effectively protected by designing an arc-extinguishing gas temporary storage device; the set heating The device can prevent the danger of condensation in a climate environment with high temperature or large temperature changes, and can slow down the occurrence of corrosion and increase the service life; when the switchgear fails, the high temperature air pressure rises sharply, and the pressure release The channel pressure is released, and the pressure relief top plate is opened.

Claims (6)

1. A metal armored removable switchgear with a temperature control system, comprising a housing (1) and a temperature control system, characterized in that a thermal insulation coating (31 ), the side wall of the housing (1) is a vacuum double-layer side wall (29), the outside of the side wall of the housing (1) is provided with a pressure gauge (32), and the housing (1) includes a busbar chamber ( 22), circuit breaker handcart room (23), cable room (24) and relay instrument room (25), the temperature control system includes a single-chip microcomputer (33), a temperature sensor (30) arranged in the housing (1) And be arranged on the heating wire on the thermal insulation coating (31), the cooling pipe that is arranged on the inner side of housing (1), the compressor (34) that is connected with cooling pipe, described cooling pipe is connected with compressor (34) connection, the compressor (34) is connected with the single-chip microcomputer (33), the busbar chamber (22) is located in the upper left half of the housing (1), and the busbar chamber (22) is provided with a branch busbar (2 ), bus bushing (3), static contact device (5), static contact box (6) and arc extinguishing gas temporary storage device (28), the branch bus (2) and bus bushing (3) are connected , the connecting body of the branch busbar (2) and the busbar bushing (3) has three groups connected in parallel, the static contact device (5) is connected with the branch busbar (2), and the static contact device (5 ) is connected with the static contact box (6); the cable chamber (24) is located on the lower left bottom plate (19) inside the housing (1), and a current transformer (7) is arranged in the cable chamber (24) , a grounding switch (8), a cable (9), a lightning rod (10) and a main bus bar (11), the current transformer (7) is installed on the inner shell wall of the housing (1), and the grounding switch (8 ) is installed on the lower part of the current transformer (7), the upper part of the lightning rod (10) is connected to the grounding switch (8), the lower part is connected to the grounding main busbar (11), and the upper part of the cable (9) is connected to the current transformer ( 7) Connect with the grounding main busbar (11), the lower part is connected with the grounding main busbar (11), the grounding main busbar (11) is installed on the bottom plate (19); the circuit breaker handcart room (23) is equipped with Secondary plug (14), circuit breaker handcart (15) and heating device (16), described circuit breaker handcart (15) is connected with heating device (16), and described heating device (16) and single-chip microcomputer (33) connection, the circuit breaker handcart (15) is installed in the lower part of the relay instrument room (25), the upper part of the secondary plug (14) is connected with the relay instrument room (25), and the lower part is connected with the circuit breaker handcart (15) , push the armrest (27) to be installed on the middle part of the left side of the housing (1). 2. The metal armored removable switchgear with a temperature control system according to claim 1, characterized in that, the lower part of the inner right side of the housing (1) is provided with a grounding switch operating mechanism (18) and Control the small wire slot (21), the ground switch operating mechanism (18) is installed on the upper part of the control small wire slot (21), and the upper part of the ground switch operating mechanism (18) is provided with a drawable horizontal partition (17), A motion groove structure is installed on the drawable horizontal partition (17). 3. The metal-clad removable switchgear with a temperature control system according to claim 1, characterized in that a universal moving wheel (26) is provided at the bottom of the casing (1). 4. The metal armored removable switchgear with temperature control system according to claim 3, characterized in that, there are four universal moving wheels (26), and there are four universal moving wheels (26) It is equipped with a stuck structure. 5. The metal armored removable switchgear with temperature control system according to claim 1, characterized in that, a detachable compartment is installed between the busbar room (22) and the circuit breaker handcart room (23). plate (12), and a valve (13) is provided at the lower right part of the detachable partition (12). 6. The metal armored removable switchgear with temperature control system according to claim 1, characterized in that, the busbar room (22), the circuit breaker handcart room (23) and the cable room (24) A pressure relief channel is provided inside and a pressure relief top plate (20) is provided above the chamber.