CN105281226A - Electric switch cabinet with heat dissipation apparatus - Google Patents

Abstract

The present invention relates to the technical field of power equipment, in particular to a power switch cabinet with a cooling device, which includes a base, a cabinet body is arranged on the base, and switching equipment is arranged in the cabinet; a cavity is arranged in the base, The cavity is provided with a cold air conditioner; the left and right sides of the bottom surface of the cabinet are correspondingly provided with cold air outlets, and the two cold air outlets are connected with the air conditioner through an air duct; the middle part of the top surface of the cabinet is provided with A motor, the motor is provided with a motor cover; the middle part of the top of the cabinet is provided with a suction fan blade, which is driven to rotate by the motor; The right heat dissipation grid hole; it has a simple structure and is easy to operate. It adopts the structure of suction and blowing up and down to form a rapid heat dissipation air duct, which greatly improves the heat dissipation efficiency, ensures the normal temperature in the cabinet, and prolongs the service life of the equipment in the cabinet. advantage.

Description

Power switchgear with cooling device

【Technical field】

The invention relates to the technical field of electric equipment, in particular to an electric switch cabinet with a cooling device.

【Background technique】

The power switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic controls, motor magnetic switches, various AC contactors, etc., some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc. load shedding. The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, distribution and power conversion in the power system. The components in the switch cabinet are mainly composed of circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protection devices. There are many classification methods of switch cabinets. For example, according to the installation method of circuit breakers, it can be divided into removable switch cabinets and fixed switch cabinets; or according to the different cabinet structures, it can be divided into open switch cabinets, metal-enclosed switch cabinets, and metal Closed armored switchgear; according to different voltage levels, it can be divided into high-voltage switchgear, medium-voltage switchgear and low-voltage switchgear. The above-mentioned traditional power switchgear has the following problems: when the power switchgear is working, a large amount of heat can be generated, and the traditional power cabinet adopts the method of providing cooling holes on the cabinet body to speed up the heat dissipation, but the above-mentioned heat dissipation structure has a slow heat dissipation rate. , low work efficiency, the equipment in the cabinet works at high temperature for a long time, which accelerates the aging of the equipment in the cabinet, shortens its service life, and thus increases the maintenance cost.

【Content of invention】

The object of the present invention is to aim at the defects and deficiencies of the prior art, to provide a simple in structure, reasonable in design, and convenient to use with a power switchgear with cooling device. A cold air conditioner is installed on the base of the cabinet, and heat dissipation holes with rain covers are set on the top of both sides of the cabinet. It has a simple structure and is easy to operate. Greatly improves the heat dissipation efficiency, ensures the normal temperature in the cabinet, and prolongs the service life of the equipment in the cabinet.

A power switch cabinet with a heat dissipation device according to the present invention comprises a base, a cabinet body is arranged on the base, and a switchgear is arranged in the cabinet; a cavity is arranged in the base, and a cavity is arranged in the cavity. There is an air-conditioning air conditioner; the left and right sides of the bottom surface of the cabinet body are provided with air-conditioning outlets correspondingly, and the two air-conditioning outlets are connected to the air-conditioning air conditioner through an air duct; the middle part of the top surface of the cabinet is provided with a motor, and the motor A motor cover is provided; a suction fan blade is arranged in the middle of the top of the cabinet body, and the suction fan blade is driven to rotate by a motor; the top of the left and right sides of the cabinet body is respectively provided with a left cooling grid hole and a right cooling grid hole, The left radiating grid hole and the right radiating grid hole are respectively provided with a left shielding rain plate and a right shielding rain plate; a control box is arranged on the right side of the top surface of the cabinet, and a PLC controller is arranged in the control box; the cabinet body A temperature sensor is arranged on the left inner wall.

Further, the inner wall of the cabinet is provided with insulating boards.

Further, several cooling ribs are arranged on the top surface of the motor cover.

Further, a sound-absorbing layer is provided on the inner wall of the motor cover.

Further, a warning light is provided on the left side of the top surface of the cabinet.

Further, the PLC controller is connected to the computer center in the command room through a wireless network.

After adopting the above structure, the beneficial effects of the present invention are: a power switch cabinet with a heat dissipation device according to the present invention, which adopts a rotating suction fan blade on the cabinet body, and a cold air conditioner on the cabinet base. The device is equipped with cooling holes with rain covers on both sides of the cabinet. It has a simple structure and is easy to operate. It adopts a suction-up and blow-down structure to form a fast-dissipating air duct, which greatly improves the cooling efficiency and ensures The normal temperature in the cabinet can prolong the service life of the equipment in the cabinet.

【Description of drawings】

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application, but do not constitute an improper limitation of the present invention. In the accompanying drawings:

Fig. 1 is a structural representation of the present invention;

Explanation of reference signs:

1. Base; 2. Cooling air outlet; 3. Cooling air conditioner; 4. Cabinet body; 5. Switchgear; 6. Temperature sensor; 7. Left cooling grid hole; ; 10, motor cover; 11, cooling ribs 11; 12, motor; 13, sound-absorbing layer; 14, suction wind blade; 15, computer center.

【detailed description】

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the schematic embodiments and descriptions are only used to explain the present invention, but are not intended to limit the present invention.

As shown in Figure 1, the power switchgear with heat dissipation device described in this specific embodiment includes a base 1, a cabinet 4 is arranged on the base 1, and a switchgear 5 is arranged in the cabinet 4; The base 1 is provided with a cavity, and the cavity is provided with a cold air conditioner 3; the left and right sides of the bottom surface of the cabinet body 4 are correspondingly provided with cold air outlets 2, and the two cold air outlets 2 pass through the air duct and the air conditioner. connected to the device 3; the middle part of the top surface of the cabinet 4 is provided with a motor 12, and the motor 12 is provided with a motor cover 10; 12 drive rotation; the left and right sides of the cabinet body 4 are respectively provided with a left cooling grid hole 7 and a right cooling grid hole at the top, and the left cooling grid hole 7 and the right cooling grid hole are respectively provided with a left shielding rain plate 8 and a The right shields the rain plate; the right side of the top surface of the cabinet 4 is provided with a control box, and a PLC controller is arranged in the control box; a temperature sensor 6 is provided on the inner wall on the left side of the cabinet 4 .

As a preference of the present invention, the inner wall of the cabinet body 4 is provided with insulating boards.

As a preferred embodiment of the present invention, several cooling ribs 11 are provided on the top surface of the motor cover 10 .

As a preferred embodiment of the present invention, the inner wall of the motor cover 10 is provided with a sound-absorbing layer 13 .

As a preference of the present invention, a warning light 9 is provided on the left side of the top surface of the cabinet body 4 .

As a preferred embodiment of the present invention, the PLC controller is connected to the computer center 15 in the command room through a wireless network.

In the present invention, a temperature sensor 6 is arranged in the cabinet body 4, and the temperature sensor 6 measures the real-time temperature in the cabinet in real time and transmits it to the PLC controller. When the temperature in the cabinet body 4 exceeds the set critical temperature value , PLC controller controls cold air conditioner 3 and suction fan work, and the suction fan in this design is made up of motor 12 and suction fan blade 14. The top surface of the motor cover 10 is provided with some cooling ribs 11 to facilitate the heat generated by the generator, and the motor adopts an external design structure, which is also convenient for the heat generated during the operation of the generator, so that the heat in the cabinet will not be increased; the motor cover The sound-absorbing layer 13 is arranged on the inner wall, and its purpose is to ensure that the motor can run silently or with low noise.

When the present invention is in use, the bottom surface of the base 1 is provided with ventilation holes, the cold air conditioner 3 in the base 1 starts to work, and the cold air is blown upward through the cold air outlet 2 connected with it. At this time, the equipment is cooled in real time during work. At this time, the suction fan 14 arranged on the top of the cabinet 4 is opened at the same time. The suction fan 14 is driven by the motor 12 to generate suction, which greatly speeds up the volatilization speed of the hot air, and quickly From the left cooling grid hole 7 and the right cooling grid hole on both sides of the cabinet body, it disperses to the outside of the cabinet, thereby forming an air duct to accelerate heat dissipation, that is, to cool down the equipment in the cabinet in real time, and quickly disperse the heat in the cabinet. The normal temperature in the cabinet is guaranteed, and the normal use of the equipment in the cabinet is also guaranteed, reducing maintenance costs.

In the present invention, when the temperature measurement value in the cabinet 4 exceeds the set maximum value, the PLC controller will transmit the information to the computer center 15 in the command room through the wireless network, and the PLC controller will control the alarm connected to it at the same time. Lamp 9 sends a light alarm; computer center 15 notifies nearby staff to carry out maintenance immediately according to the GPS locator set in the PLC controller.

The power switchgear with heat dissipation device according to the present invention adopts that the cabinet body is provided with rotating suction blades, a cold air conditioner is installed on the base of the cabinet body, and rain-shielding belts are installed on the top of both sides of the cabinet body. The cooling hole of the cover has a simple structure and is easy to operate. It adopts the structure of sucking up and blowing down to form a fast cooling air duct, which greatly improves the cooling efficiency, ensures the normal temperature in the cabinet, and prolongs the service life of the equipment in the cabinet. advantage.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims (6)

1. A power switchgear with a cooling device, which includes a base (1), a cabinet (4) is arranged on the base (1), and a switchgear (5) is arranged in the cabinet (4); it is characterized in that : The base (1) is provided with a cavity, and the cavity is provided with a cold air conditioner (3); the left and right sides of the bottom surface of the cabinet (4) are correspondingly provided with cold air outlets (2), the The two cold air outlets (2) are connected to the cold air conditioner (3) through the air duct; the middle part of the top surface of the cabinet body (4) is provided with a motor (12), and the motor (12) is provided with a motor cover (10); A suction fan (14) is arranged in the middle of the top of the cabinet (4), and the suction fan (14) is driven to rotate by a motor (12); the top of the cabinet (4) is respectively provided with The left cooling grid hole (7) and the right cooling grid hole are respectively provided with a left shielding rain plate (8) and a right shielding rain plate; the cabinet body (4) A control box is arranged on the right side of the top surface, and a PLC controller is arranged in the control box; a temperature sensor (6) is arranged on the left inner wall of the cabinet body (4). 2. The power switchgear with heat dissipation device according to claim 1, characterized in that: the inner wall of the cabinet body (4) is provided with insulating plates. 3. The power switchgear with heat dissipation device according to claim 1, characterized in that: several heat dissipation ribs (11) are arranged on the top surface of the motor cover (10). 4. The power switchgear with heat dissipation device according to claim 1, characterized in that: a sound-absorbing layer (13) is provided on the inner wall of the motor cover (10). 5. The power switchgear with cooling device according to claim 1, characterized in that: a warning light (9) is provided on the left side of the top surface of the cabinet body (4). 6. The power switchgear with cooling device according to claim 1, characterized in that: the PLC controller is connected to the computer center (15) in the command room through a wireless network.