CN207069379U - A kind of high-tension switch cabinet to radiate safely - Google Patents

Abstract

It the utility model is related to technical field of electric equipment,A kind of more particularly to high-tension switch cabinet to radiate safely,Including cabinet and top plate,Top board undersurface is vertically arranged four connecting rods,Connecting rod is corresponded on cabinet tubulose installing port is set,Top plate and cabinet activity pressure release easy for installation,Multiple semiconductor chilling plates are set on top plate,Multiple fans are installed at cabinet side and the back side,Help to reduce the temperature inside high-tension switch cabinet,Female car room in cabinet,Temperature measuring equipment is equipped with handcart room and cable vault,The secondary meter of the temperature measuring equipment connection control room,Secondary meter is also connected with buzzer,For monitoring internal temperature in real time,Convenient regulation,The utility model is simple in construction,Pass through semiconductor chilling plate and fan for cooling,Adjusting switch cabinet internal temperature,Improve the electric running situation of inside switch cabinet,Top plate and the connected mode of cabinet activity are beneficial to pressure release,With safety guarantee,Improve the stability and security of electrical equipment work.

Description

A high-voltage switch cabinet with safe heat dissipation

technical field

The utility model relates to the technical field of electrical equipment, in particular to a high-voltage switch cabinet for safe heat dissipation.

Background technique

In the high-voltage power system, it is necessary to arrange several electrical components and switch control equipment, especially the switchgear needs to be equipped with special switch cabinets for accommodation. The existing fixed high-voltage switch cabinets are connected according to the main wiring in the metal closed shell. Requirements, each electrical component and switchgear are connected in series to form the main wiring circuit, and the electric energy is input into the busbar or output from the busbar. In the current high-voltage switchgear, the high-voltage circuit breaker is one of the important electrical equipment, which plays a very important role in control and protection in the process of electric energy production, transmission and distribution. Under normal circumstances, it can safely and reliably control the input and exit of various electrical equipment and power lines. When a fault occurs, it cooperates with relay protection devices, automatic reclosing devices and other safety automatic control devices to quickly cut off the fault current and remove the faulty part from the fault. Cut off from the power grid to reduce the scope of accidental power outages and ensure the stable and safe operation of the fault-free part of the power grid.

When the high-current circuit breaker is running, the current is relatively large, and the temperature at the dynamic and static contacts of the switch cabinet and the circuit breaker trolley is high. However, the seal of the switch cabinet is good, and the heat generated in the circuit breaker compartment cannot be discharged in time, causing the circuit breaker and switch. The temperature inside the cabinet continues to rise, causing overheating of the joints of the dynamic and static contacts, which affects the use, and also affects the use of other electrical components, bringing potential safety hazards.

Utility model content

In order to solve the above problems, the utility model provides a safe and reliable switchgear with heat dissipation function. The compartment inside the switchgear is equipped with a temperature measuring device, and the temperature measuring device is connected to the secondary instrument in the instrument room, and the secondary instrument is connected to a buzzer. Through the secondary instrument feedback or setting the preset value of the buzzer, the staff can keep abreast of the internal temperature. The cooling fan installed on the cabinet body and multiple semiconductor cooling chips evenly installed on the top plate are used for cooling. The top shelf and cabinet Physical activity installation, with the role of pressure relief.

To solve the above problems, the utility model provides a high-voltage switchgear with safe heat dissipation, which includes a cabinet body and a top plate. Rod, the top of the cabinet is provided with four top plate mounting holes for the connecting rods to be inserted into, and a plurality of mounting openings are evenly arranged on the top plate, and a semiconductor refrigeration sheet is installed in the installation opening, and the cold end of the semiconductor refrigeration sheet is at the top of the top plate. Below, the hot end is above the top plate, so that the cold end of the semiconductor refrigeration sheet extends into the cabinet after the top plate and the cabinet are fastened; The car room, the handcart room and the cable room are all equipped with temperature measuring devices. The instrument room is equipped with interconnected secondary instruments and buzzers. The secondary instruments are connected to the temperature measuring device for displaying temperature. There are cabinet doors hinged on the front side of the cabinet body, and fan installation ports are set on the left and right sides and the back of the cabinet body. There are four fan installation ports on each side, and they are respectively arranged on the upper and lower ends of the surface. The fan installation ports are equipped with cooling fans. .

As a further solution of a high-voltage switchgear with safe heat dissipation of the present invention, the bottom end of the connecting rod is provided with a pin shaft hole and the pin shaft is installed.

As a further solution of the high-voltage switchgear for safe heat dissipation of the present invention, the heat dissipation fan is a thin fan.

As a further solution of a high-voltage switchgear with safe heat dissipation in the present invention, a heat insulation layer is arranged on the upper surface of the top plate, a heat dissipation cover is installed on the top surface of the top plate, and an exhaust fan is arranged on the heat dissipation cover.

As a further solution of a high-voltage switchgear with safe heat dissipation of the present invention, the length and width of the top plate are larger than the cabinet body and the edge of the top plate is folded down to be stuck at the opening on the top of the cabinet body.

As a further solution of the high-voltage switchgear for safe heat dissipation of the present invention, a buffer layer is provided on the part of the cabinet body in contact with the top plate, and the buffer layer is made of high-temperature-resistant material.

Beneficial effect

1. The high-voltage switchgear of this utility model has the function of heat dissipation. The side and back of the cabinet are equipped with fan installation ports for cooling when the internal temperature is high. There are multiple installation ports on the top plate evenly, and semiconductor refrigeration chips are installed in the installation ports. And the cold end of the semiconductor refrigeration sheet extends into the cabinet, and the hot end is located outside the top plate. The mother car room, handcart room and cable room inside the switch cabinet are all equipped with temperature measuring devices, and the temperature measuring devices are connected to the secondary instruments in the instrument room. It is used to display the temperature everywhere, and the secondary instrument is also connected with a buzzer, through the preset temperature alarm value, the alarm prompts when it exceeds the preset temperature.

2. The utility model has the function of pressure relief. Four connecting rods are arranged vertically on the bottom surface of the top plate. The bottom of the connecting rods is provided with a pin hole and a pin shaft is installed. The positions of the four connecting rods corresponding to the top plate are provided with tubular The installation port, the connecting rod passes through the installation port and the pin shaft is installed. There is also a high temperature resistant buffer layer between the cabinet body and the top plate. When the internal short circuit of the switch cabinet generates huge pressure, the top plate will be lifted to release the pressure. The top plate is made of lighter weight. Advanced materials, easy to open, so that the switchgear can be used safely.

3. There is a heat dissipation cover above the top plate of the switch cabinet, and an exhaust fan is arranged on the heat dissipation cover, which facilitates the heat dissipation of the semiconductor refrigeration sheet and has the function of dust prevention. The upper surface of the top plate is a heat insulation layer, and the length and width of the top plate are larger than the cabinet body and Flanges are set toward the cabinet body, which has the effect of waterproof and dustproof; pin shafts are set at the bottom of the connecting rod to prevent the top plate from being washed away by excessive pressure.

Description of drawings

Fig. 1 is a schematic diagram of the installation structure of the high-voltage switchgear for safe heat dissipation of the utility model;

Marks in the figure: 1. Cabinet body, 2. Top plate, 3. Connecting rod, 4. Fan installation port.

Detailed ways

As shown in the figure: a high-voltage switch cabinet with safe heat dissipation, including a cabinet body 1 and a top plate 2, the top plate 2 is installed above the cabinet body 1, and four connecting rods 3 are vertically arranged on the bottom surface of the top plate 2, and the cabinet body 1 is connected correspondingly There are four tubular installation openings at the position of the rod 3. The top plate 2 and the cabinet body 1 are connected through the connecting rod 3 and the installation opening. The bottom end of the connecting rod 3 is provided with a pin groove and is equipped with a pin shaft. When a short circuit occurs inside the switchgear, pressure is generated to open the top plate 2 to release the pressure. The pin shaft is used to prevent the top plate 2 from falling off from the cabinet body 1. Multiple installation ports are evenly arranged on the top plate 2, and the installation ports are set There is a semiconductor refrigerating sheet, the cold end of the semiconductor refrigerating sheet is downward and the top plate 2 is buckled on the cabinet body 1, and the cold end extends into the cabinet body 1. The upper end of the top plate 2 is provided with a heat-resistant layer, and a heat dissipation cover is installed to dissipate heat. The hood has an exhaust fan to cool the hot end and prevent the top plate 2 from accumulating dust. A buffer layer is provided at the joint between the top plate 2 and the cabinet body 1 to prevent collision noise between the top plate 2 and the cabinet body 1 during pressure relief. The first layer is made of high temperature resistant material. The length and width of the top plate 2 are larger than that of the cabinet body 1. The edges of the top plate 2 are provided with folds, and the folds are folded in the direction of the cabinet body 1, so that the top plate 2 is fastened to the cabinet body 1, which is waterproof and dustproof. function.

The cabinet 1 is provided with a mother car room, a handcart room, an instrument room and a cable room. The mother car room, the handcart room and the cable room are all provided with temperature measuring devices. The instrument room is provided with interconnected secondary instruments and Buzzer, the secondary instrument is connected with the temperature measuring device to display the temperature, the buzzer is connected to the secondary instrument for high temperature alarm, one side of the cabinet body 1 is hinged with a cabinet door, the left and right sides and the back of the cabinet body 1 are There are four fan installation ports 4 on each surface, which are set up and down, and thin fans are installed in the fan installation ports 4. The thickness of the thin fans is between 3cm and 6cm, and the cooling effect is good At the same time, the occupied space is reduced, and a fan control switch is arranged on the cabinet body 1 . When the equipment in the high-voltage switchgear is in normal use and the temperature is normal, the temperature is lowered by the semiconductor refrigeration sheet. When the internal temperature is high, the fan is turned on to reduce the internal temperature, and the cooling is controlled in stages, which can save resources. The switchgear of the utility model is equipped with cooling and temperature detection. Equipped, it is convenient for the staff to check the operation status of the equipment in real time. The design of the top plate 2 avoids sudden accidents and is convenient for use.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solution of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solution of the utility model Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (6)

1. A high-voltage switch cabinet with safe heat dissipation, including a cabinet (1) and a top plate (2), characterized in that: the top of the cabinet (1) is open, and the top plate (2) is installed on the top of the cabinet (1) At the opening, four connecting rods (3) are arranged vertically on the bottom surface of the top board (2), and the top of the cabinet body (1) is provided with four top board mounting holes for inserting the connecting rods (3), and the top board (2) is uniformly arranged There are multiple installation ports, and a semiconductor cooling chip is installed in the installation port, the cold end of the semiconductor cooling chip is below the top plate (2), and the hot end is above the top plate (2), so that the top plate (2) and the cabinet body (1) After buckling, the cold end of the semiconductor refrigeration sheet extends into the cabinet body (1); the cabinet body (1) is equipped with a mother car room, a hand car room, an instrument room and a cable room, a mother car room, a hand car room Both the car room and the cable room are equipped with temperature measuring devices. The instrument room is equipped with interconnected secondary instruments and buzzers. The secondary instruments are connected to the temperature measuring device to display the temperature. The cabinet (1) There are cabinet doors hinged on the front, fan installation openings (4) are provided on the left and right sides and the back of the cabinet body (1), and there are four fan installation openings (4) on each side, which are respectively arranged at the upper and lower ends of the surface. , a cooling fan is installed in the fan installation port (4). 2. A high-voltage switchgear with safe heat dissipation according to claim 1, characterized in that: the bottom end of the connecting rod (3) is provided with a pin hole and the pin is installed. 3. A high-voltage switchgear with safe heat dissipation according to claim 1, characterized in that: the heat dissipation fan is a thin fan. 4. A high-voltage switchgear with safe heat dissipation according to claim 1, characterized in that: the upper surface of the top plate (2) is provided with a heat insulation layer, and the upper surface of the top plate (2) is equipped with a heat dissipation cover, and the heat dissipation An exhaust fan is arranged on the cover. 5. A high-voltage switch cabinet with safe heat dissipation according to claim 1, characterized in that: the length and width of the top plate (2) are larger than the cabinet body (1) and the edge of the top plate (2) is folded downwards, to be stuck at the top opening of the cabinet body (1). 6. A high-voltage switchgear with safe heat dissipation according to claim 1, characterized in that: the part of the cabinet body (1) in contact with the top plate (2) is provided with a buffer layer, and the buffer layer is made of high temperature resistant material .