Cooling device of electric drive mechanism

Abstract

The utility model provides an electric drive mechanism cooling device which comprises a surrounding body and an input portion at one end of the surrounding body, outer surrounding plates are fixedly connected to the two sides of the outer side of the surrounding body, and a first guide-in opening and a second guide-in opening are fixedly formed in the upper position and the lower position of the surface of the input portion respectively. A liquid cooling conveying structure is fixedly arranged on the surface of the surrounding body and located on one side of the first guide-in opening. By means of the surrounding body with one end arranged in a forked mode, the effect of conveniently conducting limiting surrounding on the external electric drive mechanism is achieved, subsequent cooling operation is facilitated, the effect of conveying cooling liquid and cooling gas into the surrounding body is achieved through the cooling liquid cavity and the flow collecting cavity, and after external cooling gas enters the flow collecting cavity, the cooling liquid and the cooling gas flow into the surrounding body. And the air outlet plate is led out from the inner side of the surrounding main body, so that the external electric driving mechanism is cooled.

Description

Technical Field

[0001] The utility model relates to the field of cooling devices, and more specifically, to a cooling device for an electric drive mechanism. Background Art

[0002] With the increase of automation investment rate and utilization rate of power plants, it represents the progress of productivity. Electric adjustment doors in power enterprises are becoming more and more popular. Power generation enterprises install various electric adjustment doors from major power generation equipment to auxiliary equipment to complete various adjustment tasks according to the instructions of operators. This requires various electric doors to develop in the direction of convenient operation, flexible opening and closing, safe and efficient, safe and reliable in the process of power production. As one of the important means of daily adjustment in the process of power production, electric adjustment doors are no exception.

[0003] The existing electric adjustment door is composed of two parts: valve and electric drive mechanism. The electric adjustment door uses electric energy as power to connect the electric drive mechanism to drive the valve, so as to realize the opening and closing of the valve input according to the command and the adjustment action. In order to achieve the requirements of safe and reliable adjustment and flexible switching action, various manufacturers and power users have different ways to ensure the healthy use of equipment, such as the electric actuator adopts materials with good heat dissipation.

[0004] However, since some electric adjusting doors in power plants are installed and used in high-temperature, air-stagnant places with high ambient temperature, the electric adjusting doors may get stuck and fail to operate due to overheating protection of the electric drive mechanism, which greatly limits the safe and reliable use of the electric adjusting doors. To address this problem, Chinese utility model application No. 202022846160.1 proposes a cooling device for an electric drive mechanism. When the device is in use, the cooling gas flows through the air source to the first air inlet, flows into the cooling chamber through the first air inlet, and exchanges heat with the electric drive mechanism in the cooling chamber, so that the electric drive mechanism is cooled down.

[0005] The problems existing in the above device during actual use are:

[0006] First, the device achieves cooling effect through cooling gas and cooling chamber. The heat exchange unit is relatively simple and the cooling effect needs to be improved. Secondly, the electric drive mechanism contains multiple different component structures. The shell and the internal cooling chamber cannot ensure direct contact with the surface of the electric drive mechanism when achieving cooling. As a result, there is a lack of heat conduction and the cooling efficiency is low.

[0007] Therefore, the utility model proposes a cooling device for an electric drive mechanism. Utility Model Content

[0008] The utility model aims to solve the technical problems raised by the above-mentioned background technology and provides a cooling device for an electric drive mechanism. When in use, the electric drive mechanism as a whole can be fully and effectively cooled by combining liquid cooling with air cooling. At the same time, a heat-conducting structure is provided to concentrate the heat before cooling, which can effectively improve the cooling efficiency and ensure a stable cooling effect.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric drive mechanism cooling device, comprising a surrounding body and an input portion at one end thereof, both sides of the outer side of the surrounding body are fixedly connected with outer surrounding plates, a first introduction port and a second introduction port are fixedly opened at upper and lower positions of the surface of the input portion, a liquid cooling delivery structure is fixedly arranged on the surface of the surrounding body, and the liquid cooling delivery structure is located on one side of the first introduction port;

[0010] A further preferred solution is that the surrounding body is arranged horizontally in a "U" shape as a whole, with one end being forked, the forked position being opened in a rectangular shape, the outer end being closed, and the other end of the surrounding body being hollow and cylindrical.

[0011] A further preferred solution is that a cooling liquid chamber and a manifold chamber are separated and arranged inside the surrounding main body.

[0012] A further preferred solution is that a coolant delivery portion is provided on the upper outer side of the coolant cavity, the coolant cavity and the manifold cavity are horizontally opened in upper and lower positions, and the coolant cavity and the manifold cavity are respectively connected to the first inlet and the second inlet.

[0013] A further preferred solution is that an air outlet plate is fixedly arranged at the bottom of the manifold, and the air outlet plate is also located on the inner surface of the surrounding body and is arranged as a honeycomb plate.

[0014] A further preferred solution is that the liquid cooling delivery structure includes an expansion cavity located on the surface of the surrounding body and a heat conducting layer and a limiting layer located on the inner side of the surrounding body.

[0015] A further preferred solution is that the expansion cavity is arranged in a trapezoidal cavity, and is communicated with the cooling liquid cavity; the limiting layer is arranged as a soft rubber layer, and is arranged in a "Z" shape along the outer end of the main body;

[0016] The heat-conducting layer is located at the middle section of the surface of the limiting layer and is embedded in the cooling liquid cavity. The heat-conducting layer is set as a copper heat-conducting layer.

[0017] Beneficial effects:

[0018] 1. By having a forked enclosure at one end, the external electric drive mechanism can be easily limited and surrounded, which is convenient for subsequent cooling operations.

[0019] 2. The cooling liquid cavity and the collecting cavity are used to respectively deliver the cooling liquid and the cooling gas to the interior of the surrounding body. After the external cooling gas enters the collecting cavity, it is discharged outward from the inner side of the surrounding body through the air outlet plate to cool the external electric drive mechanism.

[0020] 3. The expansion cavity is used to quickly introduce external coolant into the coolant cavity. The limiting layer and the heat-conducting layer are used to limit and fix the outer electric drive mechanism while contacting its surface to complete the heat conduction operation. The outer enclosure plate is used to enclose and shield the outer side of the enclosure body, which is convenient for heat concentration and subsequent heat extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is the overall structural connection exploded diagram of the utility model;

[0023] Figure 3 For the utility model Figure 2 A magnified view of the structure at center;

[0024] Figure 4 It is a side view of the internal structure connection of the surrounding main body of the utility model.

[0025] Figure 1-4 In: 1. Enclosing body; 2. Input part; 3. Outer enclosure plate; 4. Liquid cooling delivery structure; 5. First inlet; 6. Second inlet; 7. Expansion cavity; 8. Cooling liquid delivery part; 9. Heat conduction layer; 10. Limiting layer; 11. Air outlet plate; 12. Cooling liquid cavity; 13. Collecting cavity. DETAILED DESCRIPTION

[0026] The following will be combined with the attached embodiment of the utility model Figure 1-Figure 4 , clearly and completely describe the technical solutions in the embodiments of the utility model.

[0027] See also Figure 1-4In an embodiment of the utility model, an electric drive mechanism cooling device includes a surrounding body 1 and an input part 2 at one end thereof, outer surrounding plates 3 are fixedly connected to both sides of the outer side of the surrounding body 1, a first inlet 5 and a second inlet 6 are fixedly opened at the upper and lower positions of the surface of the input part 2, a liquid cooling delivery structure 4 is fixedly arranged on the surface of the surrounding body 1, and the liquid cooling delivery structure 4 is located on one side of the first inlet 5. When the device is used, the heat conducting layer 9 concentrates part of the heat generated by the external electric drive mechanism, and then the external cooling liquid enters the cooling liquid cavity 12 through the first inlet 5, flows along the cooling liquid cavity 12, contacts the heat conducting layer 9, and cools the heat generated by the heat conducting layer 9, and the external cooling gas enters the manifold 13 through the second inlet 6, and is discharged to the inner side of the surrounding body 1 through the air outlet plate 11. At this time, since an enclosed space is formed between the inner side of the surrounding body 1 and the electric drive mechanism, the heat from all sides can be effectively discharged to the outside to complete the cooling.

[0028] In the embodiment of the utility model, the surrounding body 1 is arranged horizontally in a "U" shape as a whole, and one end away from the input part 2 is forked. The forked position is opened in a rectangular shape, and the outer end is in a closed state, and the other end of the surrounding body 1 is hollow and cylindrical. The surrounding body 1 with a forked end can achieve the effect of limiting the external electric drive mechanism and facilitating subsequent cooling operations.

[0029] During installation, the user connects the split position at one end of the enclosure body 1 with the fixed part of the external electric drive mechanism, so that the electric drive mechanism is embedded in the inner position of the enclosure body 1. At this time, the entire enclosure body 1 surrounds the external electric drive mechanism, which is beneficial to the concentration of heat, so as to facilitate subsequent heat conduction and cooling treatment.

[0030] The interior of the surrounding body 1 is separated into a cooling liquid chamber 12 and a collecting chamber 13. The upper outer side of the cooling liquid chamber 12 is set as a cooling liquid conveying part 8. The cooling liquid chamber 12 and the collecting chamber 13 are horizontally opened in upper and lower positions, and the cooling liquid chamber 12 and the collecting chamber 13 are respectively connected to the first inlet 5 and the second inlet 6. An air outlet plate 11 is fixedly arranged at the bottom of the collecting chamber 13. The air outlet plate 11 is also located on the inner surface of the surrounding body 1 and is set as a honeycomb plate. The cooling liquid chamber 12 and the collecting chamber 13 are used to respectively convey the cooling liquid and the cooling gas to the inside of the surrounding body 1. After the external cooling gas enters the collecting chamber 13, it is discharged outward from the inner position of the surrounding body 1 through the air outlet plate 11 to cool the external electric drive mechanism.

[0031] The first inlet 5 and the second inlet 6 are connected to external cooling liquid supply equipment and cooling gas delivery equipment respectively. When cooling is performed, the cooling liquid and the cooling gas enter the corresponding cooling liquid cavity 12 and the collecting cavity 13 respectively to cool down the electric drive mechanism.

[0032] The liquid-cooling delivery structure 4 includes an expansion cavity 7 located on the surface of the surrounding body 1 and a heat-conducting layer 9 and a limiting layer 10 located on the inner side of the surrounding body 1. The expansion cavity 7 is arranged in a trapezoidal chamber and is communicated with the cooling liquid cavity 12. The limiting layer 10 is arranged as a soft rubber layer and is fitted in a "Z" shape along the outer end fork position of the surrounding body 1. The heat-conducting layer 9 is located in the middle section of the surface of the limiting layer 10 and is embedded in the cooling liquid cavity 12. The heat-conducting layer 9 is arranged as a copper heat-conducting layer. The expansion cavity 7 is used to quickly introduce external coolant into the cooling liquid cavity 12. The limiting layer 10 and the heat-conducting layer 9 are used to limit and fix the external electric drive mechanism while contacting its surface to complete the heat conduction operation.

[0033] When the electric drive mechanism is embedded in the inner side of the surrounding body 1, the limiting layer 10 is elastic and can ensure the stable placement between the electric drive mechanism and the surrounding body 1, while the heat conductive layer 9 is in direct contact with the surface of the fixed part of the electric drive mechanism to conduct the heat generated by it.

[0034] The outer enclosure plate 3 is arranged horizontally as a whole, and its surface is arranged in an arc-shaped convex shape;

[0035] The outer surrounding plate 3 can be used to surround and shield the outer side of the surrounding body 1, so as to facilitate the concentration of heat and the subsequent heat extraction.

Claims

1. A cooling device for an electric drive mechanism, characterized in that: The invention comprises a surrounding body (1) and an input portion (2) at one end thereof, the outer sides of the surrounding body (1) are fixedly connected to outer surrounding plates (3), a first inlet (5) and a second inlet (6) are fixedly provided at upper and lower positions on the surface of the input portion (2), a liquid cooling transport structure (4) is fixedly provided on the surface of the surrounding body (1), and the liquid cooling transport structure (4) is located on one side of the first inlet (5).

2. The electric drive mechanism cooling device according to claim 1, characterized in that: The surrounding body (1) is arranged horizontally in a "U" shape as a whole, with one end being forked, the forked position being opened in a rectangular shape, the outer end being in a closed state, and the other end of the surrounding body (1) being hollow and cylindrical.

3. The electric drive mechanism cooling device according to claim 2, characterized in that: The interior of the surrounding body (1) is separated into a cooling liquid chamber (12) and a collecting chamber (13).

4. The electric drive mechanism cooling device according to claim 3, characterized in that: A cooling liquid conveying portion (8) is provided on the upper outer side of the cooling liquid chamber (12); the cooling liquid chamber (12) and the collecting chamber (13) are horizontally opened in an upper and lower position; and the cooling liquid chamber (12) and the collecting chamber (13) are respectively connected to the first inlet (5) and the second inlet (6) in a corresponding manner.

5. The electric drive mechanism cooling device according to claim 3, characterized in that: An air outlet plate (11) is fixedly arranged at the bottom of the manifold (13); the air outlet plate (11) is also located on the inner surface of the surrounding main body (1) and is arranged as a honeycomb plate.

6. The electric drive mechanism cooling device according to claim 1, characterized in that: The liquid cooling transport structure (4) comprises an expansion cavity (7) located on the surface of the surrounding main body (1), and a heat conducting layer (9) and a limiting layer (10) located on the inner side of the surrounding main body (1).

7. The electric drive mechanism cooling device according to claim 6, characterized in that: The expansion chamber (7) is arranged in a trapezoidal chamber and is communicated with the cooling liquid chamber (12); the limiting layer (10) is arranged as a soft rubber layer and is arranged in a "Z" shape along the outer end fork position surrounding the main body (1); The heat-conducting layer (9) is located at the middle section of the surface of the limiting layer (10) and is embedded in the cooling liquid cavity (12). The heat-conducting layer (9) is configured as a copper heat-conducting layer.

8. The electric drive mechanism cooling device according to claim 1, characterized in that: The outer enclosure plate (3) is arranged in a horizontal direction as a whole, and its surface is arranged in an arc-shaped convex shape.

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