CN216290737U

CN216290737U - Handcart type medium-high voltage solid soft starter

Info

Publication number: CN216290737U
Application number: CN202122755167.7U
Authority: CN
Inventors: 雷磊; 陈德贵; 胡建强
Original assignee: Hubei Kehuite Electric Co ltd
Current assignee: Hubei Kehuite Electric Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-12
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a handcart type medium-high voltage solid soft starter which comprises a device box body and a supporting plate, wherein the device box body is fixedly connected with the top of the supporting plate, a heat dissipation mechanism is arranged in the device box body, the heat dissipation mechanism comprises an evaporator, a condenser, a compressor and two turbofan, the back of the evaporator is fixedly connected with a middle frame through a fixing bolt, and the other opening end of the middle frame is communicated with air inlet and outlet openings of the two turbofan. This solid-state soft starter of handcart-type medium-high pressure when the inside temperature of equipment is lower, turbofan convulsions, and turbofan has the inside heat of discharge that the characteristics that the amount of wind is big can be better, and the internal design of evaporimeter is trapezoidal can play the noise reduction effect of certain degree to turbofan, and when equipment temperature is higher, start the compressor for the evaporimeter becomes cold, and the turbofan reversal blows the air from the evaporimeter, cools down to equipment.

Description

Handcart type medium-high voltage solid soft starter

Technical Field

The utility model relates to the technical field of power electronics, in particular to a handcart type medium-high voltage solid soft starter.

Background

The motor soft starter is a motor control device which integrates the functions of motor soft start, soft stop, light load energy saving and multiple protection functions into a whole. The soft start of the motor adopts a software control mode to smoothly start the motor, and the control mode is soft (piece) control strength (electricity). The control result of the soft start is called as soft start because the starting characteristic of the motor is smoothed from hard to soft, and the soft start is divided into two types: one is adopting variable frequency constant torque current limiting starting; the other is voltage-regulating starting with thyristor, also called intelligent soft starting, and mainly consists of three-phase anti-parallel thyristor connected between power supply and controlled motor in series and its electronic control circuit.

The electronic components inside the soft starter can generate a large amount of heat when the soft starter works, the working state of the electronic components can be deteriorated when the temperature rises, the control precision of the motor is reduced, the heat dissipation effect of the existing device is not good enough, in addition, the large-scale power electronic equipment can generate static electricity, and larger potential safety hazards can be caused if the static electricity is not removed in time.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a handcart type medium-high voltage solid soft starter, which solves the problems of poor heat dissipation effect, large amount of static electricity generated by equipment and poor static electricity removal effect.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a solid-state soft starter of handcart-type medium-high pressure includes device box, backup pad, device box and backup pad top fixed connection, the inside heat dissipation mechanism that is provided with of device box, heat dissipation mechanism includes evaporimeter, condenser, compressor and two turbofan, fixing bolt fixedly connected with middle frame is passed through at the evaporimeter back, another open end of middle frame and two turbofan business turn over wind gap intercommunication, evaporimeter gas outlet intercommunication has first connecting pipe, first connecting pipe and condenser intercommunication, evaporimeter air inlet intercommunication has the second connecting pipe, the second connecting pipe other end is connected with the choke valve, choke valve other end intercommunication has the third connecting pipe, the third connecting pipe other end communicates with the gas outlet of compressor, the compressor air inlet communicates with the gas outlet of condenser.

Preferably, the evaporator passes through the inner wall fixed connection of evaporator frame and device box, the inside sheetmetal design of evaporator is trapezoidal shape, the bottom fixed connection of compressor and device box inner wall, the middle frame runs through to the back of device box, device box back fixedly connected with guard box, the condenser sets up inside the guard box, the guard box back is through fixing bolt fixedly connected with radiator fan.

Preferably, the first connecting pipe penetrates through the device box body and the protective box and extends to the interior of the protective box, and the air outlet of the condenser penetrates through the protective box body and the device box body and extends to the interior of the device box body.

Preferably, the top of the device box body is fixedly connected with an ion fan, and an air outlet end of the ion fan penetrates through the inside of the device box body.

Preferably, the left side of the inside of the device box body is fixedly connected with a temperature sensor, the back of the device box body is fixedly connected with a heat dissipation controller, and the temperature sensor is connected with the heat dissipation controller through a wire.

Preferably, a plurality of rotating sleeves of backup pad bottom fixedly connected with, the rotating sleeve rotates and is connected with the dwang, the both ends of dwang all rotate and are connected with the gyro wheel, the inside soft starting drive of motor that is provided with of device box, the device box openly is provided with operating panel.

Advantageous effects

The utility model provides a handcart type medium-high voltage solid soft starter. Compared with the prior art, the method has the following beneficial effects:

(1) the handcart type medium-high voltage solid soft starter comprises an evaporator, a condenser, a compressor and two turbofan through a heat dissipation mechanism, wherein the back of the evaporator is fixedly connected with a middle frame through a fixing bolt, the other opening end of the middle frame is communicated with air inlets and air outlets of the two turbofan, an air outlet of the evaporator is communicated with a first connecting pipe, the first connecting pipe is communicated with the condenser, an air inlet of the evaporator is communicated with a second connecting pipe, the other end of the second connecting pipe is connected with a throttle valve, the other end of the throttle valve is communicated with a third connecting pipe, the other end of the third connecting pipe is communicated with an air outlet of the compressor, an air inlet of the compressor is communicated with an air outlet of the condenser, when the temperature in the equipment is low, the turbofan is started to exhaust air, the turbofan has the characteristic of large air volume and can better discharge heat in the equipment, the interior of the evaporator is designed to be trapezoidal so as to have a certain noise reduction effect on the turbofan, when the equipment temperature is higher, start the compressor for the evaporimeter becomes cold, and turbofan reversal blows the air from the evaporimeter, thereby cools down to equipment inside.

(2) This handcart-type middle and high voltage solid state soft starter, through device box top fixedly connected with ion fan, inside ion fan air-out end ran through to the device box, the ion fan rotated and produced a large amount of positive and negative electric charge air currents to the electric charge that takes on neutralization apparatus inside electronic component surface reaches the effect of destaticing, has improved the practicality that the device used.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is a partial schematic view of the present invention.

In the figure: the device comprises a device box body 1, a support plate 2, a heat dissipation mechanism 3, an evaporator 31, a condenser 32, a compressor 33, a turbofan 34, a middle frame 35, a first connecting pipe 36, a second connecting pipe 37, a throttle valve 38, a third connecting pipe 39, a protective box 310, a heat dissipation fan 311, an ion fan 4, a temperature sensor 5, a heat dissipation controller 6, a rotating sleeve 7, a rotating rod 8, a roller 9, a motor soft start device 10 and an operation panel 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a handcart type medium-high voltage solid soft starter comprises a device box body 1 and a support plate 2, the device box body 1 is fixedly connected with the top of the support plate 2, an ion fan 4 is fixedly connected with the top of the device box body 1, the air outlet end of the ion fan 4 penetrates into the device box body 1, a heat dissipation mechanism 3 is arranged in the device box body 1, the heat dissipation mechanism 3 comprises an evaporator 31, a condenser 32, a compressor 33 and two turbine fans 34, the back of the evaporator 31 is fixedly connected with a middle frame 35 through a fixing bolt, the other opening end of the middle frame 35 is communicated with the air inlet and the air outlet of the two turbine fans 34, the air outlet of the evaporator 31 is communicated with a first connecting pipe 36, the first connecting pipe 36 is communicated with the condenser 32, the air inlet of the evaporator 31 is communicated with a second connecting pipe 37, the other end of the second connecting pipe 37 is connected with a throttle valve 38, the other end of the throttle valve 38 is communicated with a third connecting pipe 39, the other end of the third connecting pipe 39 is communicated with the air outlet of the compressor 33, the compressor 33 has an air inlet communicating with an air outlet of the condenser 32, and a refrigerant is added to the heat radiating mechanism 3.

Evaporator 31 passes through the inner wall fixed connection of evaporator frame and device box 1, and the design of the inside sheetmetal of evaporator 31 is trapezoidal shape, and the bottom fixed connection of compressor 33 and device box 1 inner wall, middle frame 35 run through to the back of device box 1, and device box 1 back fixedly connected with protective housing 310, condenser 32 set up inside protective housing 310, and protective housing 310 back is through fixing bolt fixedly connected with radiator fan 311.

First connecting pipe 36 extends through device housing 1 and enclosure 310 and into enclosure 310, and condenser 32 has an outlet extending through enclosure 310 and device housing 1 and into device housing 1.

The left side fixedly connected with temperature sensor 5 of the inside of device box 1, device box 1 back fixedly connected with heat dissipation controller 6, temperature sensor 5 is connected with heat dissipation controller 6 through the wire.

2 bottom fixedly connected with of backup pad 7 rotate a plurality of cover 7, rotate cover 7 and rotate and be connected with dwang 8, and the both ends of dwang 8 all rotate and are connected with gyro wheel 9, and device box 1 is inside to be provided with motor soft start device 10, and device box 1 openly is provided with operating panel 11.

After the equipment works for a period of time, the temperature sensor 5 detects the rise of the internal temperature, and transmits a signal to the heat dissipation controller 6, so that the turbofan 34 is started to rotate, the turbofan 34 rotates to discharge hot air in the equipment to the environment, thereby achieving the effect of cooling, as the working time increases, the temperature sensor 5 detects that the equipment reaches a certain temperature, then the heat dissipation controller 6 starts the compressor 33 to work, the compressor 33 compresses the gaseous refrigerant into high-temperature high-pressure gas, and the gas is sent into the condenser 32, so that the gas is condensed into normal-temperature normal-pressure liquid in the condenser 32, and then the liquid refrigerant enters the evaporator 31, becomes low-temperature, thereby absorbing the heat in the equipment, so that the evaporator 31 becomes cold, the heat dissipation controller 6 controls the turbofan 34 to reversely rotate to blow the air through the evaporator 31, thereby reducing the internal temperature of the equipment, the temperature sensor 5 continuously monitors the internal temperature of the equipment, the compressor 33 can be closed when the temperature is lower, the turbofan 34 is continuously used for heat dissipation, the process is circulated, and after the equipment stops working, the ion fan 4 is started to perform static electricity removal treatment on the electronic components in the equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a solid-state soft starter of handcart-type medium-high voltage, includes device box (1), backup pad (2), device box (1) and backup pad (2) top fixed connection, its characterized in that: a heat dissipation mechanism (3) is arranged in the device box body (1);

the heat dissipation mechanism (3) comprises an evaporator (31), a condenser (32), a compressor (33) and two turbofan (34), the back of the evaporator (31) is fixedly connected with an intermediate frame (35) through a fixing bolt, the other open end of the middle frame (35) is communicated with the air inlet and the air outlet of the two turbofan (34), a first connecting pipe (36) is communicated with an air outlet of the evaporator (31), the first connecting pipe (36) is communicated with the condenser (32), an air inlet of the evaporator (31) is communicated with a second connecting pipe (37), the other end of the second connecting pipe (37) is connected with a throttle valve (38), the other end of the throttle valve (38) is communicated with a third connecting pipe (39), the other end of the third connecting pipe (39) is communicated with an air outlet of the compressor (33), and the air inlet of the compressor (33) is communicated with the air outlet of the condenser (32).

2. The handcart type medium-high voltage solid state soft starter according to claim 1, characterized in that: evaporator (31) are through the inner wall fixed connection of evaporator frame and device box (1), the inside sheetmetal design of evaporator (31) is trapezoidal shape, the bottom fixed connection of compressor (33) and device box (1) inner wall, middle frame (35) run through to the back of device box (1), device box (1) back fixedly connected with guard box (310), condenser (32) set up inside guard box (310), guard box (310) back is through fixing bolt fixedly connected with radiator fan (311).

3. The handcart type medium-high voltage solid state soft starter according to claim 1, characterized in that: the first connecting pipe (36) penetrates through the device box body (1) and the protection box body (310) and extends to the interior of the protection box body (310), and the air outlet of the condenser (32) penetrates through the protection box body (310) and the device box body (1) and extends to the interior of the device box body (1).

4. The handcart type medium-high voltage solid state soft starter according to claim 1, characterized in that: the top of the device box body (1) is fixedly connected with an ion fan (4), and an air outlet end of the ion fan (4) penetrates into the device box body (1).

5. The handcart type medium-high voltage solid state soft starter according to claim 1, characterized in that: the device is characterized in that a temperature sensor (5) is fixedly connected to the left side of the interior of the device box body (1), a heat dissipation controller (6) is fixedly connected to the back of the device box body (1), and the temperature sensor (5) is connected with the heat dissipation controller (6) through a wire.

6. The handcart type medium-high voltage solid state soft starter according to claim 1, characterized in that: backup pad (2) bottom fixedly connected with a plurality of rotation cover (7), it is connected with dwang (8) to rotate cover (7), the both ends of dwang (8) are all rotated and are connected with gyro wheel (9), inside motor soft start device (10) that is provided with of device box (1), device box (1) openly is provided with operating panel (11).