Search

CN-224233190-U - Device for reducing internal temperature of electrical cabinet

CN224233190UCN 224233190 UCN224233190 UCN 224233190UCN-224233190-U

Abstract

The utility model discloses a temperature reducing device for reducing the internal temperature of an electrical cabinet, which comprises a cabinet body, a ventilation assembly and a ventilation assembly, wherein the cabinet body comprises a working box and the ventilation assembly is arranged at the lower end of the cabinet body, the ventilation assembly is arranged in the working box and comprises two groups of impeller groups and a motor, the two groups of impeller groups are arranged in a partition way, one impeller group is used for air inlet, and the other impeller group is used for air outlet. The utility model realizes the gas exchange of the inner part of the cabinet body through the two impeller groups, and the gas flows into the cabinet body and out of the cabinet body in one group, the gas fluidity is strong, the filter screen can filter the gas entering the inner part of the cabinet body, the self-cleaning effect is achieved under the effect of reverse air flow, the service time is prolonged, the filter screen is prevented from being blocked to influence the filtering effect, the self-circulation of the gas is realized to a certain extent under the effect of the two impeller groups, the self-circulation of the gas is ventilated from the second ventilating opening, and the self-circulation of the gas is also replaced.

Inventors

  • MO MINGHUI
  • TIAN SAN
  • Mo Yuelin
  • DENG CHAO

Assignees

  • 珠海艾柯智联科技有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (7)

  1. 1. A device for reducing the internal temperature of an electrical cabinet, comprising a cabinet body (1), characterized in that it comprises: the working box (2) is arranged at the lower end of the cabinet body (1); The air exchanging assembly (6) is arranged in the working box (2), the air exchanging assembly (6) comprises two groups of impeller groups (61) and a motor (62), the two groups of impeller groups (61) are arranged in a blocking mode, one side of the impeller groups (61) is used for air inlet, the other side of the impeller groups (61) is used for air outlet, and the air exchanging assembly (6) further comprises: The filter screens (63) are positioned at the lower ends of the two impeller groups (61) and are connected with the output end of the motor (62), and the filter screens (63) shield the inlet and the outlet of the two impeller groups (61) respectively.
  2. 2. The cooling device for reducing the internal temperature of an electrical cabinet according to claim 1, wherein two first ventilation ports (11) are formed in the lower end of the cabinet body (1), and the two first ventilation ports (11) are respectively positioned at the upper ends of the two impeller groups (61).
  3. 3. The device for reducing the temperature inside the electrical cabinet according to claim 1, wherein the inner wall of the working box (2) is provided with a slide way (23), a detachable drawer frame (3) is clamped in the slide way (23), a second partition plate (4) is fixed at the upper end of the drawer frame (3), a first partition plate (22) is fixed inside the working box (2), the first partition plate (22) is positioned at the upper end of the second partition plate (4) and separates two groups of impeller groups (61); A ventilation mounting opening (5) is formed in the drawer frame (3), two impeller groups (61) are positioned in the ventilation mounting opening (5), and a motor (62) is positioned between the two impeller groups (61) and is fixed with the drawer frame (3); The drawer frame (3) is internally fixed with a mounting frame (64) supported at the upper end of the ventilation mounting opening (5), the upper ends of the two impeller groups (61) are respectively provided with an impeller shaft (611) penetrating through the mounting frame (64) and rotationally connected with the mounting frame (64), the output end of the motor (62) is fixed with an output shaft (621), the two impeller shafts (611) are respectively driven by the output shaft (621), and the lower ends of the output shafts (621) are fixed with the filter screen (63).
  4. 4. The cooling device for reducing the temperature inside an electrical cabinet according to claim 3, wherein the ventilation mounting opening (5) is formed by two communicated rings.
  5. 5. The cooling device for reducing the temperature inside an electrical cabinet according to claim 3, wherein the diameter of the output shaft (621) is larger than the diameter of the impeller shaft (611), and the output shaft (621) and the impeller shaft (611) are driven by a belt (612).
  6. 6. A cooling device for reducing the temperature inside an electrical cabinet according to claim 3, wherein the impellers of the two impeller sets (61) are opposite.
  7. 7. The device for reducing the temperature inside the electrical cabinet according to claim 1, wherein the side edge of the working box (2) is provided with a second ventilation opening (21).

Description

Device for reducing internal temperature of electrical cabinet Technical Field The utility model relates to the technical field of electrical cabinet components, in particular to a device for reducing the internal temperature of an electrical cabinet. Background The electrical cabinet is a core device used for protecting and controlling electrical equipment in the industrial field, a large amount of heat can be generated when internal elements (such as a frequency converter, a circuit breaker, a PLC and the like) of the electrical cabinet run, and if insufficient heat dissipation can cause accelerated ageing, false alarm or fault of the elements and potential safety hazard. According to the heat dissipation principle and application scene, common cooling equipment comprises natural heat dissipation, fan heat dissipation, an electric cabinet air conditioner, a water cooling system and the like. The fan is adopted to dissipate heat in a high-temperature environment, so that the heat dissipation cost is low, the installation is simple, but the heat dissipation device has some disadvantages, such as easiness in dust introduction. Under the abominable circumstances of regulator cubicle installation, the fan is generally installed in the inside of regulator cubicle, with external intercommunication to have the filter screen to filter dust impurity, the dust impurity on the filter screen is difficult to clear up relatively, influences the permeability of filter screen. Disclosure of utility model The utility model aims to provide a temperature reducing device for reducing the internal temperature of an electrical cabinet, so as to solve the problems in the background art. In order to solve the technical problems, the utility model provides the following technical scheme that the device for reducing the internal temperature of the electrical cabinet comprises a cabinet body, and comprises: The working box is arranged at the lower end of the cabinet body; The air exchanging assembly is arranged in the working box and comprises two groups of impeller groups and a motor, the two groups of impeller groups are arranged in a partition way, one side of the impeller group is used for air inlet, the other side of the impeller group is used for air outlet, and the air exchanging assembly further comprises: The filter screens are positioned at the lower ends of the two impeller groups and connected with the output end of the motor, and the filter screens shield the inlet and the outlet of the two impeller groups respectively. Furthermore, the lower end of the cabinet body is provided with two first ventilation ports, and the two first ventilation ports are respectively positioned at the upper ends of the two groups of impeller groups. Furthermore, the inner wall of the working box is provided with a slideway, a detachable drawer frame is clamped in the slideway, a second partition board is fixed at the upper end of the drawer frame, a first partition board is fixed in the working box, and the first partition board is positioned at the upper end of the second partition board to separate two groups of impeller groups; the drawer frame is internally provided with a ventilation mounting opening, two impeller groups are positioned in the ventilation mounting opening, and the motor is positioned between the two impeller groups and is fixed with the drawer frame; the drawer frame is internally fixed with a mounting frame supported at the upper end of the ventilation mounting port, the upper ends of the two impeller groups are respectively provided with an impeller shaft penetrating through the mounting frame and rotationally connected with the mounting frame, the output end of the motor is fixedly provided with an output shaft, the two impeller shafts are respectively in transmission with the output shaft, and the lower end of the output shaft is fixedly connected with the filter screen. Furthermore, the ventilation mounting port is in a shape of two communicated rings. Further, the diameter of the output shaft is larger than that of the impeller shaft, and the output shaft and the impeller shaft are driven by a belt. Further, the impellers of the two impeller groups are opposite. Further, a second ventilation port is formed in the side edge of the working box. Compared with the prior art, the self-cleaning type air filter has the beneficial effects that the air exchange inside the cabinet body is realized through the two impeller groups, the air inlet and the air outlet are formed in one group, the air mobility is strong, the filter screen can filter the air entering the inside of the cabinet body, the self-cleaning effect is achieved under the action of reverse air flow, the service time is prolonged, the filter screen is prevented from being blocked to influence the filtering effect, the self-circulation of the air to a certain extent is realized under the action of the two impeller groups, the self-circulation of the air is vent