CN219041078U - Heat abstractor for be used for high low voltage electrical equipment complete sets - Google Patents

Abstract

The utility model belongs to the technical field of electric cabinet heat dissipation, in particular to a heat dissipation device for high-low voltage electrical equipment complete equipment, which aims at the problems that the existing heat dissipation device generally dissipates heat in a uniform blowing mode, but when the ambient temperature is higher, the blown air temperature is as high as possible, and the heat dissipation effect is reduced.

Description

A cooling device for complete sets of high and low voltage electrical appliances

technical field

The utility model relates to the technical field of heat dissipation of electric cabinets, in particular to a heat dissipation device for complete sets of high and low voltage electric appliances.

Background technique

There are many types of complete sets of high and low voltage electrical appliances, and high and low voltage power distribution cabinets are one of them. Power supply bureaus and substations all use high-voltage switchgear, and then the low-voltage side of the transformer is stepped down and led to the low-voltage distribution cabinet. Switches, circuit breakers, fuses, buttons, indicator lights, meters, wires and other protective devices are assembled into a power distribution device to meet the design function requirements;

The patent document with the publication number CN208401349U discloses a heat dissipation device for high and low voltage electrical equipment. The electric cabinet of the high and low voltage power distribution cabinet is rotatably hinged with a cabinet door. A mounting plate is fixedly installed on the inner wall of the horizontal high and low voltage power distribution cabinet electric cabinet on the side away from the cabinet door. The power distribution equipment unit is installed on the mounting plate. device, the top inner wall of the horizontal high and low voltage power distribution cabinet is provided with a ventilation opening, the ventilation opening is provided with a ventilation grid, and the top of the heat dissipation base is provided with a moving slot. The utility model is simple in structure, economical and practical. The heat dissipation fan inside the electric cabinet of the horizontal high and low voltage power distribution cabinet is constantly reciprocating during heat dissipation, which increases the working range of the heat dissipation fan, which is beneficial to increase the heat dissipation area and makes the heat dissipation more efficient. Uniformity, which improves the heat dissipation effect of the components of the power distribution equipment inside the horizontal high and low voltage power distribution cabinet;

However, in the above-mentioned patent documents, heat dissipation is carried out by means of uniform blowing, but when the ambient temperature is high, the temperature of the blown air is also high, which directly leads to a reduction in the heat dissipation effect.

Utility model content

The purpose of this utility model is to solve the problem that the existing heat dissipation device generally uses uniform blowing to dissipate heat, but when the ambient temperature is high, the temperature of the blown air is also high, which will directly lead to a decrease in the heat dissipation effect. A heat dissipation device for complete sets of high and low voltage electrical appliances is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A heat dissipation device for complete sets of high and low voltage electrical appliances, comprising a base, an electric cabinet is arranged on the top of the base, a wiring board is arranged inside the electric cabinet, a side door is arranged on one side of the electric cabinet, and a door is arranged on the bottom of the base There is a water storage pipe, and a cavity is opened in the base, dust-proof mesh panels are arranged on the inner walls of both sides of the cavity, a circulation heat exchange mechanism is arranged in the cavity, a ventilation and heat dissipation mechanism is arranged on the top of the electric cabinet, and A motor is fixedly installed on one side, and the motor cooperates with the circulation heat exchange mechanism and the ventilation and heat dissipation mechanism. The top of the base and the bottom of the electric cabinet are provided with the same ventilation opening.

Preferably, the ventilation and heat dissipation mechanism includes an installation groove opened on the top of the electric cabinet, a heat dissipation housing is arranged in the installation groove, a fan blade shaft is rotatably installed in the heat dissipation housing, and fan blades are fixed on the outer side of the fan blade shaft. The blade shaft can drive the fan blade to rotate.

Preferably, the output shaft of the motor is welded with a rotating shaft, one end of the rotating shaft extends into the heat dissipation housing and is fixedly connected with the first bevel gear, the outer fixed sleeve of the rotating shaft is provided with a second bevel gear, and the second bevel gear Engaged with the first bevel gear, the first bevel gear can drive the second bevel gear to rotate.

Preferably, the circulating heat exchange mechanism includes a heat exchange fin arranged on the inner wall of the cavity top, the heat exchange fin is connected with a water outlet pipe, one end of the water outlet pipe extends into the water storage pipe, and the heat exchange fin is connected with a first water inlet pipe, One end of the first water inlet pipe is connected to the water delivery casing, and the second water inlet pipe is connected to the water delivery casing, and one end of the second water inlet pipe extends into the water storage pipe, and the heat exchange fins can effectively exchange heat for the circulating airflow cool down.

Preferably, a transmission chamber is provided in the electric cabinet, the rotating shaft runs through the transmission chamber, and the outer side of the rotating shaft is fixedly provided with a third bevel gear, and the same rotating hole is provided on the side where the transmission chamber and the cavity are close to each other. A first rotating rod is rotated in the rotating hole, and a fourth bevel gear is fixedly connected to the top of the first rotating rod. The fourth bevel gear meshes with the third bevel gear, and the third bevel gear can drive the fourth bevel gear to rotate.

Preferably, the bottom end of the first rotating rod is fixedly connected with a fifth bevel gear, and the second rotating rod is rotatably installed on the water transfer housing, and one end of the second rotating rod extends into the water transfer housing and is fixedly connected with an impeller , the other end of the second rotating rod extends to the outside of the water delivery housing and is fixedly connected with a sixth bevel gear, the sixth bevel gear meshes with the fifth bevel gear, and the fifth bevel gear can drive the sixth bevel gear to rotate.

Compared with the prior art, the utility model has the advantages of:

1. This scheme can effectively guide the air flow through the cooperation of the first bevel gear and the second bevel gear, and the cooperation of the fan blade shaft and the fan blade, and bring out the heat in the electric cabinet;

2. In this scheme, the third bevel gear is matched with the fourth bevel gear, and the fifth bevel gear is matched with the sixth bevel gear, so that the water source in the water storage pipe can effectively circulate and flow effectively through the heat exchange fins. The airflow is used to cool down, so that the heat dissipation and cooling of the electric cabinet can be carried out quickly at a higher ambient temperature;

The utility model effectively cools down the circulating air flow through the heat exchange fins, thereby rapidly cooling down the electric cabinet at a higher ambient temperature.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a cooling device for a complete set of high-voltage and low-voltage electrical equipment proposed by the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of a cooling device for high and low voltage electrical equipment proposed by the utility model;

Fig. 3 is a schematic diagram of enlarged structure at A in Fig. 2 of a kind of cooling device for high and low voltage electrical equipment proposed by the utility model;

Fig. 4 is a schematic diagram of an enlarged structure at B in Fig. 2 of a cooling device for high-voltage and low-voltage electrical equipment proposed by the utility model.

In the figure: 1 base, 2 electric cabinet, 3 wiring board, 4 double doors, 5 water storage pipe, 6 cavity, 7 dustproof screen, 8 motor, 9 cooling shell, 10 leaf shaft, 11 leaf, 12 Rotary shaft, 13 first bevel gear, 14 second bevel gear, 15 heat exchange fin, 16 water outlet pipe, 17 first water inlet pipe, 18 water delivery shell, 19 second water inlet pipe, 20 third bevel gear, 21 the first A rotating rod, 22 fourth bevel gears, 23 fifth bevel gears, 24 second rotating rods, 25 impellers, 26 sixth bevel gears.

Detailed ways

The following will clearly and completely describe the technical solutions in this embodiment with reference to the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, not all of the embodiments.

Embodiment one

Referring to Figure 1-2, a cooling device for high and low voltage electrical equipment, including a base 1, an electric cabinet 2 is arranged on the top of the base 1, a wiring board 3 is arranged inside the electric cabinet 2, and the electric cabinet 2 One side is provided with a side-by-side door 4, the bottom of the base 1 is provided with a water storage pipe 5, and a cavity 6 is provided in the base 1, and dust-proof mesh panels 7 are provided on the inner walls of both sides of the cavity 6, and the cavity 6 is provided with There is a circulation heat exchange mechanism, the top of the electric cabinet 2 is provided with a ventilation and heat dissipation mechanism, and one side of the electric cabinet 2 is fixed with a motor 8 by bolts, the motor 8 cooperates with the circulation heat exchange mechanism and the ventilation and heat dissipation mechanism, and the top of the base 1 The same air vent is provided at the bottom of the electric cabinet 2.

Referring to Fig. 3, the ventilation and heat dissipation mechanism includes an installation groove opened on the top of the electric cabinet 2, a heat dissipation housing 9 is arranged in the installation groove, and a fan blade shaft 10 is rotatably installed in the heat dissipation housing 9, and the outer side of the fan blade shaft 10 is fixed by welding The fan blade 11 is sleeved, the fan blade shaft 10 can drive the fan blade 11 to rotate, the output shaft of the motor 8 is welded with a rotating shaft 12, and one end of the rotating shaft 12 extends into the heat dissipation housing 9 and is fixedly connected with a first The bevel gear 13 is provided with a second bevel gear 14 on the outer fixed sleeve of the rotating shaft 12, and the second bevel gear 14 meshes with the first bevel gear 13, and the first bevel gear 13 can drive the second bevel gear 14 to rotate.

Referring to Fig. 2, the circulation heat exchange mechanism includes a heat exchange fin 15 arranged on the inner wall of the top of the cavity 6, the heat exchange fin 15 is connected with a water outlet pipe 16, and one end of the water outlet pipe 16 extends into the water storage pipe 5, and the heat exchange fin 15 Connected to the first water inlet pipe 17, one end of the first water inlet pipe 17 is connected to the water delivery housing 18, the water delivery housing 18 is connected to the second water inlet pipe 19, and one end of the second water inlet pipe 19 extends to the water storage pipe 5 Inside, the heat exchange fins 15 can effectively exchange heat and cool down the circulating airflow.

Referring to Fig. 3 , a transmission chamber is provided in the electric cabinet 2, and the rotating shaft 12 runs through the transmission chamber, and the outer side of the rotating shaft 12 is provided with a third bevel gear 20 through a welding and fixing sleeve, and a side where the transmission chamber and the cavity 6 are close to each other is opened. There is the same rotation hole, the first rotation rod 21 is installed in the rotation hole, the top of the first rotation rod 21 is fixedly connected with the fourth bevel gear 22 by welding, the fourth bevel gear 22 is meshed with the third bevel gear 20, The third bevel gear 20 can drive the fourth bevel gear 22 to rotate.

Referring to Fig. 4, the bottom end of the first rotating rod 21 is fixedly connected with the fifth bevel gear 23 by welding, the second rotating rod 24 is rotatably installed on the water transfer housing 18, and one end of the second rotating rod 24 extends to the water transfer housing The body 18 is fixedly connected with the impeller 25 by welding, and the other end of the second rotating rod 24 extends to the outside of the water transfer housing 18 and is fixedly connected with the sixth bevel gear 26 by welding, the sixth bevel gear 26 and the fifth bevel The gears 23 are meshed, and the fifth bevel gear 23 can drive the sixth bevel gear 26 to rotate.

In this embodiment, when in use, start the motor 8, the output shaft of the motor 8 drives the rotation shaft 12 to rotate, the rotation shaft 12 drives the first bevel gear 13 to rotate, the first bevel gear 13 drives the second bevel gear 14 to rotate, and the second bevel gear 14 rotates. The bevel gear 14 drives the blade shaft 10 to rotate. When the blade shaft 10 rotates, it can drive the blade 11 to rotate. When the blade 11 rotates, it can effectively guide the airflow, so that the airflow passes through the dustproof screens 7 on both sides of the base 1. Then it is discharged through the electric cabinet 2, so that the heat in the electric cabinet 2 can be effectively taken out to achieve the purpose of heat dissipation. At the same time, the rotating shaft 12 drives the third bevel gear 20 to rotate, and the third bevel gear 20 drives the fourth bevel gear 22 Rotate, the fourth bevel gear 22 drives the fifth bevel gear 23 to rotate through the first rotating rod 21, the fifth bevel gear 23 drives the sixth bevel gear 26 to rotate, and the sixth bevel gear 26 drives the impeller 25 to rotate through the second rotating rod 24, When the impeller 25 rotates, the cooling water in the water storage pipe 5, the second water inlet pipe 19, the water delivery housing 18, the first water inlet pipe 17, the heat exchange fin 15 and the water outlet pipe 16 can be circulated effectively. The temperature of the flowing airflow is effectively lowered, thereby effectively dissipating heat and cooling the inside of the electric cabinet 2, and the heat absorption of the ground can effectively make the circulating cooling water cool down by itself, thereby achieving efficient circulation and cooling.

Embodiment two

The difference from Embodiment 1 is that the electric cabinet 2 is provided with a temperature sensor, and the temperature in the electric cabinet 2 can be detected in real time according to the temperature sensor. When the temperature gradually increases, the motor 8 can be controlled to increase the output power, thereby increasing the heat dissipation effect, otherwise the output power of the motor 8 is reduced to save energy.

The above is only a preferred specific implementation mode of this embodiment, but the scope of protection of this embodiment is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in this embodiment Any equivalent replacement or change of the technical solution and the concept of the utility model of the example shall fall within the scope of protection of the present embodiment.

Claims (6)

1. A cooling device for complete sets of high and low voltage electrical appliances, comprising a base (1), characterized in that an electric cabinet (2) is provided on the top of the base (1), and wiring plate (3), and one side of the electric cabinet (2) is provided with a side-by-side door (4), the bottom of the base (1) is provided with a water storage pipe (5), and a cavity (6) is opened in the base (1), The inner walls of both sides of the cavity (6) are provided with dust-proof screens (7), the cavity (6) is provided with a circulation heat exchange mechanism, the top of the electric cabinet (2) is provided with a ventilation and heat dissipation mechanism, and the electric cabinet A motor (8) is fixedly installed on one side of (2), and the motor (8) cooperates with the circulation heat exchange mechanism and the ventilation and heat dissipation mechanism, and the top of the base (1) and the bottom of the electric cabinet (2) are provided with the same ventilation opening . 2. A heat dissipation device for complete sets of high and low voltage electrical appliances according to claim 1, characterized in that the ventilation and heat dissipation mechanism includes an installation groove opened on the top of the electric cabinet (2), and a heat dissipation device is arranged in the installation groove The housing (9), the fan blade shaft (10) is rotatably installed in the heat dissipation housing (9), and the outer fixed sleeve of the fan blade shaft (10) is provided with a fan blade (11). 3. A kind of heat dissipation device for high and low voltage electrical equipment according to claim 2, characterized in that, the output shaft of the motor (8) is welded with a rotating shaft (12), and the rotating shaft (12) One end extends into the heat dissipation housing (9) and is fixedly connected with the first bevel gear (13), the outer fixed sleeve of the rotating shaft (12) is provided with the second bevel gear (14), and the second bevel gear (14) is connected with the first bevel gear A bevel gear (13) is engaged. 4. A heat dissipation device for complete sets of high and low voltage electrical appliances according to claim 3, characterized in that the circulation heat exchange mechanism includes heat exchange fins (15) arranged on the inner wall of the top of the cavity (6) , the heat exchange fin (15) is connected with the water outlet pipe (16), and one end of the water outlet pipe (16) extends into the water storage pipe (5), and the heat exchange fin (15) is connected with the first water inlet pipe (17), the second One end of a water inlet pipe (17) is connected with a water delivery housing (18), the water delivery housing (18) is connected with a second water inlet pipe (19), and one end of the second water inlet pipe (19) extends to the water storage pipe ( 5) inside. 5. A heat dissipation device for complete sets of high and low voltage electrical appliances according to claim 4, characterized in that, a transmission chamber is opened in the electric cabinet (2), and the rotating shaft (12) runs through the transmission chamber, and rotates The outer fixed sleeve of the shaft (12) is provided with a third bevel gear (20), and the side where the transmission cavity and the cavity (6) are close to each other is provided with the same rotation hole, and the first rotation rod (21) is installed for rotation in the rotation hole. ), the top of the first rotating rod (21) is fixedly connected with a fourth bevel gear (22), and the fourth bevel gear (22) is meshed with the third bevel gear (20). 6. A heat dissipation device for complete sets of high and low voltage electrical appliances according to claim 5, characterized in that, the bottom end of the first rotating rod (21) is fixedly connected with a fifth bevel gear (23), and the output The water housing (18) is rotatably equipped with a second rotating rod (24), and one end of the second rotating rod (24) extends into the water delivery housing (18) and is fixedly connected with an impeller (25), and the second rotating rod The other end of (24) extends to the outside of the water delivery housing (18) and is fixedly connected with the sixth bevel gear (26), and the sixth bevel gear (26) is meshed with the fifth bevel gear (23).

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