Partitioned heat dissipation device for power switch cabinet
By designing a zoned heat dissipation device, negative pressure is created by using a motor-driven rotating shaft and strip blades, achieving zoned heat dissipation inside the power switchgear. This solves the problem of inconsistent heat dissipation requirements in different areas and improves the heat dissipation effect.
Patent Information
- Application Number
- CN202423086938.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing heat dissipation devices of power switchgear cannot meet the different heat dissipation needs of different areas, resulting in poor heat dissipation effect.
A zoned heat dissipation device was designed. Through the air intake and exhaust mechanisms, a motor-driven rotating shaft and strip blades are used to create negative pressure to draw in cold air and control the airflow in zones. This ensures that the busbar compartment and circuit breaker compartment receive more cold air, while the cable compartment and relay instrument compartment receive less cold air, thus achieving zoned heat dissipation.
It improves the heat dissipation effect inside the switchgear, especially the heat dissipation efficiency of the busbar compartment and circuit breaker compartment, meeting the heat dissipation needs of different areas.
Smart Images
Figure CN223809475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electric power switch cabinet, concretely is a kind of partition heat dissipation device for electric power switch cabinet. BACKGROUND
[0002] Switch cabinet is a kind of electrical equipment, and the outer line of switch cabinet first enters the main control switch in cabinet, then enters branch control switch, and each branch is set according to its needs.The inside of electric power switch cabinet is mainly divided into busbar room, circuit breaker room, relay instrument room and cable room, wherein the busbar room is one of main components of switch cabinet, for installing main busbar and branch busbar.The busbar is supported by insulator and connected to primary static contact box and main busbar by bolt;The circuit breaker room is used for installing circuit breaker handcart, and handcart can move between working position and test position, and static contact curtain plate installed on the rear wall of handcart room is automatically opened or closed when handcart moves, to ensure that operating personnel will not touch live body;The cable room is used for installing primary cable, current transformer, grounding switch, lightning arrester and other elements, and this area is convenient for installation, replacement and maintenance of primary components;The relay instrument room is used for installing relay protection components, instruments, live indicator, indicator light and secondary power switch and other equipment.
[0003] When switch cabinet is running, due to the large current passing through the inside of busbar room and circuit breaker room, the heat generated in the inside of busbar room and circuit breaker is large, while the heat generated in cable room and relay instrument room is low, because the inside of cable room and relay instrument room is low-voltage secondary circuit, and the current is low, so that the heat generated in cable room and relay instrument room is low, so that the different areas in the whole switch cabinet have different heat dissipation requirements, and the heat dissipation of current electric power switch cabinet is mainly through the heat dissipation holes on both sides, which cannot meet the different heat dissipation requirements of different areas in the whole switch cabinet, resulting in poor heat dissipation effect of the whole switch cabinet. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of partition heat dissipation device for electric power switch cabinet to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of partition heat dissipation device for electric power switch cabinet, comprising
[0007] Air inlet mechanism, the air inlet mechanism includes switch cabinet body, and the both sides of the switch cabinet body are evenly provided with a plurality of air inlets;
[0008] The air outlet mechanism comprises a strip-shaped hole formed in the back side of the switch cabinet body, a U-shaped partition plate corresponding to the strip-shaped hole is fixedly connected to the inside of the switch cabinet body, a plurality of first air suction holes are uniformly formed in the side wall of the U-shaped partition plate, a plurality of second air suction holes are uniformly formed in the other side wall of the strip-shaped hole, the inner diameter of the second air suction hole is smaller than that of the first air suction hole, a shielding cover in communication with the strip-shaped hole is fixedly connected to the back side of the switch cabinet body, a gas exhaust pipe in communication with the shielding cover is fixedly connected to one side of the outer wall of the shielding cover, a rotating shaft is rotatably connected to the inside of the shielding cover, a plurality of strip-shaped leaf plates are fixedly connected to the outer side of the rotating shaft in an annular array, and a motor is fixedly connected to one side of the top of the switch cabinet body, and the output end of the motor is fixedly connected with the rotating shaft.
[0009] As a further scheme of the utility model, the switch cabinet body is uniformly fixedly connected with a plurality of shielding covers on both sides, and each group of shielding covers corresponds to each group of air inlets.
[0010] As a further scheme of the utility model, the switch cabinet body is uniformly fixedly connected with a plurality of shielding covers on both sides, and each group of shielding covers corresponds to each group of air inlets.
[0011] As a further scheme of the utility model, the switch cabinet body is uniformly fixedly connected with a plurality of shielding covers on both sides, and each group of shielding covers corresponds to each group of air inlets.
[0012] As a further scheme of the utility model, the switch cabinet body is uniformly fixedly connected with a plurality of shielding covers on both sides, and each group of shielding covers corresponds to each group of air inlets.
[0013] As a further scheme of the utility model, the switch cabinet body is uniformly fixedly connected with a plurality of shielding covers on both sides, and each group of shielding covers corresponds to each group of air inlets.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] The utility model discloses adopt above -mentioned structure, through strip leaf plate, motor, second air inlet and first air inlet, make when motor starting work can drive the rotation of the shaft and strip leaf plate, and strip leaf plate can blow out the air in the isolating cover when rotating, thereby make the inside of U -shaped baffle form negative pressure, thereby make the cold air of outside through both sides air inlet be inhaled into the inside both sides of switch cabinet cabinet, thereby with the inside both sides of air inlet heat dissipation, because the inner diameter of second air inlet of cable chamber and relay instrument room close to switch cabinet cabinet inside is less than the inner diameter of first air inlet of busbar room and circuit breaker close to switch cabinet cabinet inside, thereby make the cold air amount that switch cabinet cabinet close to cable chamber and relay instrument room inhaled is less, and the cold air amount that switch cabinet cabinet close to busbar room and circuit breaker inhaled is more, thereby realize the zoning cooling of switch cabinet cabinet inside, and further improve the heat dissipation effect of switch cabinet cabinet inside equipment. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model discloses make further detailed explanation to the further detailed description of the embodiment in the accompanying drawings, but does not constitute any limit to the utility model.
[0017] Figure 1 It is a kind of zoning heat dissipation device for electric power switch cabinet structure schematic view.
[0018] Figure 2 It is a kind of zoning heat dissipation device for electric power switch cabinet Figure 1 A part structure schematic view.
[0019] Figure 3 It is a kind of zoning heat dissipation device for electric power switch cabinet Figure 1 B part structure schematic view.
[0020] Figure 4 It is a kind of zoning heat dissipation device for electric power switch cabinet cabinet's partial structure sectional view in switch cabinet.
[0021] Figure 5 It is a kind of zoning heat dissipation device for electric power switch cabinet Figure 4 C part structure schematic view.
[0022] In the drawing: 1, air inlet mechanism;101, switch cabinet cabinet;102, air inlet;103, shield cover;104, fixed frame;105, mounting frame;106, dust screen;107, L-shaped supporting plate;108, reinforcing rib plate;109, limiting column;110, L-shaped rotating block;111, torsion spring;2, air outlet mechanism;201, strip hole;202, U-shaped baffle;203, first air inlet;204, second air inlet;205, isolating cover;206, exhaust pipe;207, shaft;208, strip leaf plate;209, motor. DETAILED DESCRIPTION
[0023] The technical solutions of the patent will be further described in detail in combination with specific embodiments.
[0024] Please refer to Figures 1-5 A partition heat dissipation device for a power switch cabinet, comprising an air inlet mechanism 1, the air inlet mechanism 1 comprises a switch cabinet body 101, a plurality of air inlets 102 are uniformly arranged on both sides of the switch cabinet body 101, the air inlets 102 are arranged for the outside air to enter the inside of the switch cabinet body 101, so as to heat dissipation the elements inside the switch cabinet body 101. A plurality of shielding covers 103 are uniformly and fixedly connected to both sides of the switch cabinet body 101, each group of shielding covers 103 corresponds to each group of air inlets 102 respectively, the shielding covers 103 are arranged to shield the air inlets 102, so as to reduce the probability of outside air entering the inside of the switch cabinet body 101.
[0025] Both sides of the switch cabinet body 101 are fixedly connected with a fixed frame 104, the opposite sides of the two groups of fixed frames 104 are detachably connected with a mounting frame 105, the bottom walls of the two groups of fixed frames 104 away from the switch cabinet body 101 are uniformly fixedly connected with a plurality of L-shaped supporting plates 107, the two mounting frames 105 are respectively inserted into the inside of the two groups of L-shaped supporting plates 107, the L-shaped supporting plates 107 are arranged to support and limit the bottom of the mounting frame 105. The bottom of each group of L-shaped supporting plates 107 is fixedly connected with a reinforcing rib plate 108, the two reinforcing rib plates 108 are respectively fixedly connected with the two fixed frames 104 and the switch cabinet body 101, the reinforcing rib plate 108 is arranged to further fix the L-shaped supporting plate 107 and the fixed frame 104, so as to improve the connection stability of the L-shaped supporting plate 107 and the switch cabinet body 101. The side of the two groups of fixed frames 104 away from the switch cabinet body 101 is symmetrically fixedly connected with a plurality of limiting columns 109, the two limiting columns 109 are respectively located on the two sides of the two mounting frames 105, the limiting columns 109 are arranged to limit the left and right of the mounting frame 105, so as to reduce the probability of left and right deviation of the mounting frame 105.
[0026] Both sides of the switch cabinet body 101 are rotatably connected with L-shaped rotating blocks 110, and the two groups of L-shaped rotating blocks 110 are respectively clamped with the two groups of mounting frames 105. The L-shaped rotating blocks 110 are arranged to limit the top of the mounting frame 105 when rotating to the side away from the switch cabinet body 101. The two groups of L-shaped rotating blocks 110 are fixedly connected with torsion springs 111 between the two groups of L-shaped rotating blocks 110 and the two groups of switch cabinet bodies 101. The torsion springs 111 are arranged to drive the L-shaped rotating blocks 110 to rotate to the side away from the air inlet 102 by using the elastic force of the torsion springs 111. The interiors of the two groups of mounting frames 105 are fixedly connected with dust screens 106. The dust screens 106 are arranged to filter the air entering the interior of the switch cabinet body 101 to reduce the probability of dust and sundries entering the interior of the switch cabinet body 101. The air outlet mechanism 2 includes a strip-shaped hole 201 formed in the back side of the switch cabinet body 101, and the interior of the switch cabinet body 101 is fixedly connected with a U-shaped partition plate 202 corresponding to the strip-shaped hole 201. The strip-shaped hole 201 is arranged to discharge the air in the interior of the U-shaped partition plate 202.
[0027] The side walls of the U-shaped partition plate 202 are uniformly provided with a plurality of first air suction holes 203, and the other side walls of the strip-shaped hole 201 are uniformly provided with a plurality of second air suction holes 204. The first air suction holes 203 and the second air suction holes 204 are arranged to discharge the air on both sides of the interior of the switch cabinet body 101 into the interior of the U-shaped partition plate 202. The inner diameter of the second air suction hole 204 is smaller than the inner diameter of the first air suction hole 203. Specifically, the first air suction hole 203 is arranged on the side close to the busbar chamber and the circuit breaker in the interior of the switch cabinet body 101, and the second air suction hole 204 is arranged on the side close to the cable chamber and the relay instrument chamber in the interior of the switch cabinet body 101. When the interior of the U-shaped partition plate 202 is under negative pressure, the amount of air sucked into the busbar chamber and the circuit breaker by the first air suction hole 203 is less than the amount of air sucked into the cable chamber and the relay instrument chamber by the second air suction hole 204, so that the air flow in the busbar chamber and the circuit breaker is greater than the air flow in the cable chamber and the relay instrument chamber, thereby realizing the partitioned heat dissipation in the interior of the switch cabinet body 101.
[0028] The back side of the switch cabinet body 101 is fixedly connected with an isolation cover 205 which is communicated with the strip-shaped hole 201, the outer wall of the isolation cover 205 is fixedly connected with a gas exhaust pipe 206 which is communicated, the inside of the isolation cover 205 is rotatably connected with a rotating shaft 207, the outer side of the rotating shaft 207 is fixedly connected with a plurality of strip-shaped leaf plates 208 in annular array, the rotating shaft 207 is arranged to drive each group of strip-shaped leaf plates 208 to rotate when rotating, so that the strip-shaped leaf plates 208 can blow out the air inside the isolation cover 205 through the gas exhaust pipe 206 when rotating, so as to form negative pressure inside the U-shaped baffle 202. The top side of the switch cabinet body 101 is fixedly connected with a motor 209, the output end of the motor 209 is fixedly connected with the rotating shaft 207, and the motor 209 is arranged to drive the rotating shaft 207 to rotate when starting working.
[0029] In the embodiment, the switch cabinet body 101 is a prior art, which will not be described here.
[0030] When in use, when the switch cabinet body 101 is put into use, the motor 209 can be started, so that the motor 209 drives the rotating shaft 207 and each group of strip-shaped leaf plates 208 to rotate when starting working, the strip-shaped leaf plates 208 can blow out the air inside the isolation cover 205 when rotating, so as to form negative pressure inside the U-shaped baffle 202, so that the cold air outside is sucked into the inside of the switch cabinet body 101 through the two sides of the air inlet 102, so as to be cooled with the inside of the air inlet 102, then is discharged into the inside of the U-shaped baffle 202 through the second air suction hole 204 and the first air suction hole 203, and finally is discharged through the isolation cover 205 and the gas exhaust pipe 206, since the inner diameter of the second air suction hole 204 close to the cable chamber and the relay instrument chamber inside the switch cabinet body 101 is smaller than the inner diameter of the first air suction hole 203 close to the busbar chamber and the circuit breaker inside the switch cabinet body 101, so that the amount of cold air sucked into the switch cabinet body 101 close to the cable chamber and the relay instrument chamber is less, and the amount of cold air sucked into the switch cabinet body 101 close to the busbar chamber and the circuit breaker is more, so that the two sides of the inside of the switch cabinet body 101 are cooled in a partitioned manner.
[0031] The above-mentioned embodiments are the preferred embodiments of the present application, which are only used to facilitate the description of the present application, and do not limit the present application in any form, any person with ordinary knowledge in the art can make partial changes or modifications to the equivalent embodiments within the range of the technical features of the present application, without departing from the technical features of the present application, and still belongs to the range of the technical features of the present application.
Claims
1. A partitioned heat dissipation device for an electrical switchgear, characterized by, The utility model relates to an air inlet mechanism (1) and an air outlet mechanism (2) for an open switch cabinet. The air inlet mechanism (1) comprises an open switch cabinet body (101), and a plurality of air inlets (102) are uniformly arranged on both sides of the open switch cabinet body (101). The air outlet mechanism (2) comprises a strip-shaped hole (201) arranged on the back side of the open switch cabinet body (101), a U-shaped partition plate (202) fixedly connected to the inside of the open switch cabinet body (101) and corresponding to the strip-shaped hole (201), a plurality of first air suction holes (203) uniformly arranged on one side wall of the U-shaped partition plate (202), a plurality of second air suction holes (204) uniformly arranged on the other side wall of the strip-shaped hole (201), the inner diameter of the second air suction holes (204) being smaller than the inner diameter of the first air suction holes (203), a partition cover (205) fixedly connected to the back side of the open switch cabinet body (101) and communicating with the strip-shaped hole (201), a gas exhaust pipe (206) fixedly connected to one side of the outer wall of the partition cover (205) and communicating with the partition cover (205), a rotating shaft (207) rotatably connected to the inside of the partition cover (205), and a plurality of strip-shaped leaf plates (208) fixedly connected to the outer side of the rotating shaft (207) in an annular array.
2. The partitioned heat dissipation device for the power switch cabinet according to claim 1, characterized in that, A plurality of shielding covers (103) are fixedly connected to both sides of the open switch cabinet body (101), and each group of shielding covers (103) corresponds to each group of air inlets (102).
3. The partitioned heat dissipation device for the power switch cabinet according to claim 1, characterized in that, Both sides of the open switch cabinet body (101) are fixedly connected with fixed frames (104), and both groups of fixed frames (104) are detachably connected with mounting frames (105) on the opposite sides, and the interiors of both groups of mounting frames (105) are fixedly connected with dustproof nets (106).
4. The partitioned heat dissipation device for the power switch cabinet according to claim 3, characterized in that, The bottom walls of the two groups of fixed frames (104) away from the open switch cabinet body (101) are fixedly connected with a plurality of L-shaped supporting plates (107), and both sides of the open switch cabinet body (101) are rotatably connected with L-shaped rotating blocks (110), and both groups of L-shaped rotating blocks (110) are clamped with both groups of mounting frames (105), and the torsional springs (111) are fixedly connected between both groups of L-shaped rotating blocks (110) and both groups of open switch cabinet bodies (101).
5. A partitioned heat sink for an electrical switchgear cabinet according to claim 4, characterized in that, The bottoms of each group of L-shaped supporting plates (107) are fixedly connected with reinforcing rib plates (108), and both sides of the reinforcing rib plates (108) are fixedly connected with both sides of the fixed frames (104) and the open switch cabinet body (101).
6. The partitioned heat dissipation device for power switch cabinet according to claim 5, characterized in that, The sides of the two groups of fixed frames (104) away from the open switch cabinet body (101) are fixedly connected with a plurality of limiting columns (109), and both sides of the limiting columns (109) are located on both sides of the mounting frames (105).