CN211790344U

CN211790344U - Heat radiation structure of reactive automatic compensation device

Info

Publication number: CN211790344U
Application number: CN202020777652.7U
Authority: CN
Inventors: 戈一奎; 倪嘉
Original assignee: Nanjing Xr Electric Technology Co ltd
Current assignee: Nanjing Xr Electric Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-10-27
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a heat dissipation structure of a reactive automatic compensation device, which belongs to the technical field of reactive automatic compensation and comprises a cabinet body, a base, a first fan, a second fan, a controller, a capacitor, a thermal relay, a circuit breaker, a mutual inductor and a knife-fuse switch, wherein the cabinet body is of a cuboid structure with a hollow interior, the base is welded below the cabinet body, a mounting frame is arranged inside the cabinet body, the thermal relay and the circuit breaker are arranged on the mounting frame, the capacitor is arranged below the thermal relay, the capacitor is arranged at the bottom of the cabinet body, the second fan is arranged at the side surface of the cabinet body, the second fan is electrically connected with the controller, the controller is arranged on the cabinet door, an indicator lamp is also arranged on the cabinet door, the knife-fuse switch is arranged below the indicator lamp, the knife-fuse switch is electrically connected with the controller, the first fan, the heat dissipation structure of the reactive automatic compensation device is simple in structure and low in production cost.

Description

Heat radiation structure of reactive automatic compensation device

Technical Field

The utility model belongs to the technical field of reactive automatic compensation, concretely relates to reactive automatic compensation device's heat radiation structure.

Background

The power output by the power grid comprises two parts: the first is active power: directly consuming electric energy, converting the electric energy into mechanical energy, heat energy, chemical energy or sound energy, utilizing the energy to do work, and the part of power is called active power; secondly, reactive power: the energy is consumed, but is only converted into another form of energy, which is a necessary condition for electric equipment to be able to do work, and the energy is periodically converted with the electric energy in a power grid, the part of power is called reactive power, and as modern semiconductor devices are more and more widely used, the power is larger, but the negative effect of the power is that a large non-sinusoidal current is generated. The harmonic voltage of a power grid is increased, the distortion rate is increased, the power supply quality of the power grid is deteriorated, the reactive automatic compensation improves the power factor, reduces the line loss and the voltage fluctuation, the electric energy quality is improved, and the reactive automatic compensation plays a good promoting role, has important significance for ensuring the electric energy quality of an electric power system, and the conventional reactive automatic compensation device has the defects that the temperature in a cabinet body is overhigh due to long continuous working time, the use efficiency of the device is influenced, and a device needs to be developed to solve the conventional problems.

Disclosure of Invention

An object of the utility model is to provide a reactive automatic compensation device's heat radiation structure to solve the not good problem of reactive automatic compensation device heat dissipation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reactive automatic compensation device's heat radiation structure, includes the cabinet body, base, first fan, second fan, controller, condenser, thermorelay, circuit breaker, mutual-inductor, sword fuse switch, the cabinet body is the hollow cuboid structure of inside, and cabinet body below welding base, the inside of the cabinet body is equipped with the mounting bracket, be equipped with thermorelay and circuit breaker on the mounting bracket, thermorelay's below is equipped with the condenser, the condenser is installed in the bottom of the cabinet body, the side-mounting of the cabinet body has the second fan, and the second fan is apart from base up end 5CM-8CM, second fan electric connection is in the controller, the controller is installed on the cabinet door, still install the pilot lamp on the cabinet door, the pilot lamp below is equipped with sword fuse switch, sword fuse switch electric connection is in the controller, controller electric connection is in condenser, sword fuse switch, Thermal relay, circuit breaker, mutual-inductor, pilot lamp, cabinet body side-mounting has first fan, first fan electric connection is in the controller.

Preferably, the motors of the first fan and the second fan are brushless motors, and the first fan and the second fan are both provided with metal protection mesh enclosures.

Preferably, a plurality of heat dissipation holes are formed in the base.

Preferably, the cabinet door and the cabinet body are connected through a rotating shaft, and the rotating shaft is made of copper.

Preferably, the second fan is a suction fan, and the first fan is a blowing fan.

Preferably, a lightning arrester is arranged inside the cabinet body.

The utility model discloses a technological effect and advantage: the heat dissipation structure of the reactive automatic compensation device is simple in structure and low in production cost, and on one hand, the heat dissipation structure is provided with a first fan and a second fan, the second fan is an air suction fan, the first fan is an air blowing fan, so that cold air outside the cabinet body is sucked into the cabinet body from the second fan at the bottom, and is discharged from the first fan after the temperature in the cabinet body is cooled, and the heat dissipation efficiency is improved; on the other hand, the internal portion of cabinet is equipped with the arrester, has improved the security of device.

Drawings

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

FIG. 2 is a schematic structural view of the present invention without cabinet door installed;

fig. 3 is a top view of the present invention;

fig. 4 is a side view of the present invention;

fig. 5 is a schematic circuit diagram of the present invention.

In the figure: 1-cabinet body, 11-cabinet door, 2-base, 21-heat dissipation hole, 31-first fan, 32-second fan, 41-controller, 42-capacitor, 43-thermal relay, 44-breaker, 45-mutual inductor, 46-knife-fuse switch and 5-indicator light.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a reactive automatic compensation arrangement's heat radiation structure as shown in the figure, including the cabinet body 1, base 2, first fan 31, second fan 32, controller 41, condenser 42, electrothermal relay 43, circuit breaker 44, mutual-inductor 45, sword fuse switch 46, the cabinet body 1 is the inside hollow cuboid structure, and cabinet body 1 below welding base 2, be equipped with a plurality of louvres on the base 2. The inside of the cabinet body 1 is equipped with the mounting bracket, be equipped with thermorelay 43 and circuit breaker 44 on the mounting bracket, the below of thermorelay 43 is equipped with condenser 42, condenser 42 is installed in the bottom of the cabinet body 1, the side-mounting of the cabinet body 1 has second fan 32, and second fan 32 is apart from base 2 up end 5CM-8CM, better intake cold air, second fan 32 electric connection is in controller 41, controller 41 installs on cabinet door 11, cabinet door 11 and cabinet body 1 are connected through the pivot, the material of pivot is copper, durable, still installs pilot lamp 5 on cabinet door 11, the pilot lamp 5 below is equipped with sword fuse switch 46, sword fuse switch 46 electric connection is in controller 41, controller 41 electric connection is in condenser 42, thermorelay 43, circuit breaker 44, mutual-inductor 45, pilot lamp 5, the side-mounting of the cabinet body 1 has first fan 31, the motors of the first fan 31 and the second fan 32 are brushless motors, the performance is stable, the first fan 31 and the second fan 32 are both provided with metal protective net covers, the fans are protected, it is worth noting that the second fan 32 is a suction fan, and the first fan 31 is a blowing fan. First fan 31 electric connection is in controller 41, and cabinet body 1 is inside to be equipped with the arrester, has improved the security of device, has avoided the thunderbolt.

The working principle is as follows: this idle automatic compensation device's heat radiation structure, at first, install the completion device in advance, move to the position that needs the installation, make installing in base 2 top of the cabinet body 1, starting drive, make the device be in standby state, first fan 31 and second fan 32 begin to rotate, because the second fan is installed in the below of the cabinet body 1, make outside cold air inhale in the cabinet body 2, cold air is through the inside back of the cabinet body 1, discharge from first fan 31, the metal protection screen panel of first fan 31 and second fan 32, better protection fan.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a reactive automatic compensation device's heat radiation structure which characterized in that: the cabinet comprises a cabinet body (1), a base (2), a first fan (31), a second fan (32), a controller (41), a capacitor (42), a thermal relay (43), a circuit breaker (44), a mutual inductor (45) and a knife-fuse switch (46), wherein the cabinet body (1) is of a hollow cuboid structure, the base (2) is welded below the cabinet body (1), a mounting frame is arranged inside the cabinet body (1), the thermal relay (43) and the circuit breaker (44) are arranged on the mounting frame, the capacitor (42) is arranged below the thermal relay (43), the capacitor (42) is arranged at the bottom of the cabinet body (1), the second fan (32) is arranged on the side face of the cabinet body (1), the distance between the second fan (32) and the upper end face of the base (2) is 5-8 CM, and the second fan (32) is electrically connected to the controller (41), the utility model discloses a cabinet, including cabinet door (11), controller (41), indicator (5) are still installed on cabinet door (11), indicator (5) below is equipped with sword fused switch (46), sword fused switch (46) electric connection is in controller (41), controller (41) electric connection is in condenser (42), thermorelay (43), circuit breaker (44), mutual-inductor (45), indicator (5), cabinet body (1) side-mounting has first fan (31), first fan (31) electric connection is in controller (41).

2. The heat dissipation structure of a reactive power automatic compensation device according to claim 1, characterized in that: the motors of the first fan (31) and the second fan (32) are brushless motors, and the first fan (31) and the second fan (32) are both provided with metal protection net covers.

3. The heat dissipation structure of a reactive power automatic compensation device according to claim 1, characterized in that: the base (2) is provided with a plurality of heat dissipation holes.

4. The heat dissipation structure of a reactive power automatic compensation device according to claim 1, characterized in that: the cabinet door (11) is connected with the cabinet body (1) through a rotating shaft, and the rotating shaft is made of copper.

5. The heat dissipation structure of a reactive power automatic compensation device according to claim 1, characterized in that: the second fan (32) is a suction fan, and the first fan (31) is a blowing fan.

6. The heat dissipation structure of a reactive power automatic compensation device according to claim 1, characterized in that: the cabinet body (1) is internally provided with a lightning arrester.