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CN-121983869-A - Electrical switch cabinet heat abstractor

CN121983869ACN 121983869 ACN121983869 ACN 121983869ACN-121983869-A

Abstract

The invention relates to the technical field of switch cabinets and discloses a heat dissipation device of an electrical switch cabinet, which comprises a cabinet body, a cabinet top positioned at the top of the cabinet body, and a heat dissipation fan fixedly installed at the bottom of the cabinet top, wherein a lifting mechanism is arranged at the side of the cabinet body and used for manually lifting one side of the cabinet top, a temperature sensor fixedly installed in the cabinet body and a lifting mechanism arranged at one side of the inner wall of the cabinet body far away from the lifting mechanism and used for lifting the other side of the cabinet top are arranged, the lifting mechanism comprises a sector plate positioned at the side of the cabinet body, a driving rod rotationally connected with the center of the sector plate is provided with a limit groove on the surface of the sector plate, and the heat dissipation device forms a three-dimensional heat dissipation channel with the top and the periphery through cooperation with the manual and lifting mechanism.

Inventors

  • ZHANG MIN
  • ZHANG DONGPING
  • ZHUO MIN
  • LIU ZHIGANG
  • WANG LIYONG

Assignees

  • 宁波晨江电器成套设备制造有限公司

Dates

Publication Date
20260505
Application Date
20260126

Claims (10)

  1. 1. The utility model provides an electrical switch cabinet heat abstractor, its characterized in that, is located including the cabinet body (1), cabinet top (2) at cabinet body (1) top, fixed mounting is in radiator fan (3) at cabinet top (2) bottom, set up cabinet body (1) side be used for manual with lifting mechanism (4) that carries out the lifting of one side of cabinet top (2), fixed mounting is in temperature sensor (5) and the setting of cabinet body (1) inside are in cabinet body (1) inner wall is kept away from lifting mechanism (4) one side is used for right jacking mechanism (6) that the opposite side of cabinet top (2) carried out the jack-up.
  2. 2. An electric switch cabinet heat dissipating device according to claim 1, wherein the lifting mechanism (4) comprises a sector plate (41) located at the side of the cabinet body (1), a driving rod (42) rotatably connected to the center of the sector plate (41), and a connecting rod (43) with both ends respectively hinged to one end of the sector plate (41) away from the rotation center and one side of the cabinet top (2).
  3. 3. The heat dissipating device of electrical switch cabinet of claim 2, wherein the surface of the sector plate (41) is provided with a limit groove (411), and the driving rod (42) is fixedly provided with a limit rod (421) which is clamped in the limit groove (411).
  4. 4. The heat dissipating device of electrical switch cabinet according to claim 3, wherein the outer wall of the end of the connecting rod (43) hinged to the cabinet top (2) is covered with a contact pad (44), and the contact pad (44) is in contact and abutting connection with the side wall of the cabinet top (2); The connecting rod (43) comprises a fixed rod (431) and a sliding rod (432), the sliding rod (432) slides along the inside of the fixed rod (431), one side, away from the sliding rod (432), of the fixed rod (431) is hinged with the sector plate (41), an opening (4311) is formed in one side, close to the sliding rod (432), of the fixed rod (431), a lug is fixedly arranged at one end, close to the fixed rod (431), of the sliding rod (432), the area of the opening (4311) is smaller than that of the lug of the sliding rod (432), and the whole sliding rod (432) can slide inside the fixed rod (431) and cannot fall off.
  5. 5. The heat dissipating double-fuselage of a kind of electrical switchgear, as recited in claim 4, wherein the bottom of the said actuating lever (42) and sidewall of the cabinet body (1) are all offered the jack (46), the jack (46) on the sidewall of the said cabinet body (1) is arranged in the form of arc array.
  6. 6. An electric switch cabinet heat dissipating apparatus as set forth in claim 5, wherein rotating the driving lever (42) drives the sector plate (41) to rotate around the center thereof, thereby driving the link lever (43) to swing, causing the hinge point of the link lever (43) and the sector plate (41) to move upward, lifting one side of the cabinet top (2) through the contact pad (44) to open the heat dissipating slit; the angle relation between the driving rod (42) and the cabinet body (1) is fixed through a manual plug-in bolt (45).
  7. 7. The heat dissipating device of electrical switch cabinet according to claim 1, wherein the lifting mechanism (6) comprises a lifting plate (61) positioned on the inner wall of the cabinet body (1), a connecting seat (62) positioned at the center of the bottom of the lifting plate (61) and hinged with the inner wall of the cabinet body (1), a fixing seat (63) fixedly arranged on the inner wall of the cabinet body (1) and two electric push rods (64) symmetrically and fixedly arranged on the fixing seat (63); The telescopic end of the electric push rod (64) is hinged with the bottom of the jacking plate (61) and is used for pushing the jacking plate (61) to rotate around the connecting seat (62).
  8. 8. The heat dissipating double-fuselage of a kind of electrical switchgear, as set forth in claim 7, wherein the said jacking plate (61) takes the form of L integrally, its top is the transversely extending jacking department, the bottom is articulated with inner wall of the cabinet body (1) through the connecting seat (62), the top end of the said jacking plate (61) has inclined planes (611).
  9. 9. The heat dissipating device of an electrical switching cabinet of claim 8, wherein the surface of said sloped surface (611) is coated with a rubber layer; When the electric push rod (64) stretches out, the jacking plate (61) is pushed to rotate, so that the inclined surface (611) jacks up the other side of the cabinet top (2).
  10. 10. The electric switch cabinet heat dissipation device is characterized in that a protective box (7) for accommodating and protecting the lifting mechanism (4) is fixedly arranged on the side wall of the cabinet body (1), the heat dissipation fan (3), the electric push rod (64) and the temperature sensor (5) are electrically connected with an external control terminal, and the cabinet top (2) is in an eave shape as a whole.

Description

Electrical switch cabinet heat abstractor Technical Field The invention relates to the field of switch cabinets, in particular to a heat dissipation device of an electrical switch cabinet. Background The electrical switch cabinet is used as key equipment for power distribution and control, and a plurality of high-power electrical elements such as a breaker, a contactor, a frequency converter and the like are integrated in the electrical switch cabinet, and a large amount of heat can be generated in the elements in the operation process, so that the temperature in the cabinet is increased. At present, two common heat dissipation modes of the switch cabinet are mainly passive ventilation type, wherein a shutter or a ventilation hole is formed in the side face of the cabinet body, and natural convection heat dissipation is performed depending on air. The heat dissipation efficiency is low, the heat dissipation device is completely influenced by the ambient temperature, dust and moisture are easy to invade to influence the safety of equipment in the cabinet, the active air cooling type is realized, and an exhaust fan is additionally arranged at the top or the side surface of the cabinet body to perform forced exhaust. This is the currently widely used approach. In the current electrical switch cabinet heat dissipation technical field, mainly rely on side ventilation hole or top exhaust fan to dispel the heat. However, the existing heat dissipation mode has insufficient heat dissipation capability and uniformity, and has local overheat risks, whether natural ventilation or forced air cooling is performed, the airflow structure of the existing scheme is mostly a unidirectional or punctiform path, and effective three-dimensional circulation cannot be formed in the closed cabinet body, so that hot air is easy to stagnate and accumulate at dead corners of the structure, leeward parts of elements and below the cabinet top, and local hot spots which are difficult to dissipate are formed. Such non-uniform temperature fields can continuously accelerate the aging of the local insulating material, resulting in degradation or premature failure of the element performance, which becomes a major contributor to device failure. Therefore, the heat dissipation device of the electrical switch cabinet is designed. Disclosure of Invention Aiming at the defects in the prior art, the invention provides the heat dissipation device of the electrical switch cabinet, which solves the problems that the existing switch cabinet mainly depends on side or top openings for heat dissipation, has single airflow path, cannot form effective circulation, is easy to form local hot spots in dead angles in the cabinet, leads to accelerated insulation aging and the like. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides an electrical switch cabinet heat abstractor, is located the cabinet top at cabinet body top, fixed mounting is in the radiator fan of cabinet top bottom sets up cabinet body side is used for manual with the lifting mechanism that carries out the lifting of one side of cabinet top, fixed mounting is in the internal temperature sensor of cabinet and setting are in cabinet internal wall is kept away from lifting mechanism one side is used for right the opposite side of cabinet top carries out the climbing mechanism of jack-up. Preferably, the lifting mechanism comprises a sector plate positioned at the side of the cabinet body, a driving rod rotationally connected with the center of the sector plate, and a connecting rod with two ends respectively hinged with one end of the sector plate away from the rotation center and one side of the cabinet top. Preferably, the surface of the sector plate is provided with a limit groove, and the driving rod is fixedly provided with a limit rod which is clamped in the limit groove. Preferably, the outer wall of one end of the connecting rod hinged with the cabinet top is coated with a contact pad, the contact pad is in contact and butt with the side wall of the cabinet top, the connecting rod comprises a fixing rod and a sliding rod, the sliding rod slides along the inside of the fixing rod, one side of the fixing rod far away from the sliding rod is hinged with the sector plate, one side of the fixing rod close to the sliding rod is provided with an opening, one end of the sliding rod close to the fixing rod is fixedly provided with a bump, and the area of the opening is smaller than one side of the bump of the sliding rod, so that the whole sliding rod can slide inside the fixing rod and cannot fall off. Preferably, jacks are formed in the bottom end of the driving rod and the side wall of the cabinet body, and the jacks on the side wall of the cabinet body are distributed in an arc-shaped array. Preferably, the driving rod can be rotated to drive the sector plate to rotate around the center of the sector plate, so that the c