A high-voltage switchgear energy storage motor

Abstract

The utility model discloses a kind of high-voltage switchgear energy storage motor, including machine body shell, the machine body shell is built-in motor body, and is equipped with heat dissipation hole on the one side or multiple sides of machine body shell upper portion;The machine body shell inside has the C-shaped cooling cylinder that coaxial half encircles motor body outer periphery, and C-shaped cooling cylinder inside is hollow, the inner arc surface of C-shaped cooling cylinder is equipped with air vent, the machine body shell inside and located C-shaped cooling cylinder below have cold air chamber and the refrigeration component being arranged in cold air chamber interior, by air duct and fan, the "cold air" in cold air chamber is sucked and filled into the inner chamber of C-shaped cooling cylinder, under the action of air pressure, through air vent, the motor that is close to the whole range air cooling heat dissipation of cladding is passed to, while the through-hole can be equipped on motor cylinder shell, cold air is directly blown on stator winding and is cooled, airflow after heat exchange naturally floats and is discharged through heat dissipation hole, effectively prevent that motor appears sustained high temperature high heat under working condition.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary supporting technology for energy storage motors, specifically to an energy storage motor for high-voltage switchgear. Background Technology

[0002] High-voltage switchgear is an electrical device used in power systems with a rated voltage of 3kV and above to connect or disconnect circuits or load currents, and it has control and protection functions. In practical applications, energy storage motors / energy storage electric motors are often used in conjunction with high-voltage switchgear. An energy storage motor is a device that can convert electrical energy and mechanical energy in both directions; it can be used as a motor, consuming electrical energy to drive a load (outputting mechanical energy), or it can be used as a generator, driven by external force to generate electricity.

[0003] Currently, energy storage motors used in conjunction with high-voltage switchgear have some shortcomings in practical applications. We know that high-voltage switchgear often operates under continuous high loads for extended periods, during which voltage anomalies may occur. While these anomalies themselves do not pose a significant risk, excessively high or low power supply voltages can lead to abnormal currents, causing the motor to overheat rapidly. Furthermore, in certain high-temperature environments, the insulation layer of the internal coils and other components of the energy storage motor may age prematurely, potentially leading to short circuits and other safety hazards. Therefore, there is an urgent need for a motor cooling measure that offers better performance than conventional ventilation to address these problems and shortcomings. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] Therefore, the purpose of this utility model is to provide a high-voltage switchgear energy storage motor to solve the problem mentioned in the background art. High-voltage switchgear needs to operate under high load for a long time in many working conditions. During this process, voltage abnormalities often occur. This does not harm the switchgear itself. However, excessively high or low power supply voltage can easily lead to abnormal current, thereby causing the motor to rapidly heat up and overheat in a short period of time.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-voltage switchgear energy storage motor, which includes a housing, a motor body inside the housing, and heat dissipation holes on one or more sides of the upper part of the housing.

[0007] The outer casing of the machine body has a C-shaped cooling cylinder that is coaxially semi-encircling the outer periphery of the motor body. The inside of the C-shaped cooling cylinder is hollow. The inner arc surface of the C-shaped cooling cylinder has ventilation holes. Inside the outer casing of the machine body and below the C-shaped cooling cylinder, there is a cold air chamber and a refrigeration component disposed inside the cold air chamber. A guide chamber for drawing cold air from the cold air chamber into the inner cavity of the C-shaped cooling cylinder is disposed in the center of the cold air chamber.

[0008] In a preferred embodiment of the energy storage motor for high-voltage switchgear described in this utility model, the opening of the C-shaped cooling cylinder is facing upwards, and there is a flow guiding gap between the inner arc surface of the C-shaped cooling cylinder and the outer periphery of the motor body.

[0009] As a preferred embodiment of the energy storage motor of the high-voltage switchgear described in this utility model, a plurality of semiconductor cooling plates are provided on both sides of the bottom of the cooling chamber. The cooling surface of the semiconductor cooling plate located inside the cooling chamber has a plurality of fins I distributed thereon, and the heat dissipation surface of the semiconductor cooling plate located outside the outer shell of the machine body has a plurality of fins II distributed thereon.

[0010] As a preferred embodiment of the energy storage motor of the high-voltage switchgear described in this utility model, the bottom of the cold air chamber is provided with an installation port corresponding to the semiconductor cooling chip, and the top two sides of the cold air chamber have partitions that are fixedly connected to the outer shell of the machine body and the outside of the C-shaped cooling cylinder.

[0011] As a preferred embodiment of the energy storage motor of the high-voltage switchgear described in this utility model, the air guide chamber has air outlets on both sides that are connected to the cold air chamber, and the upper part of the inner side of the air guide chamber has a fan and a mounting plate for fixing the fan.

[0012] The bottom of the outer arc surface of the C-shaped cooling cylinder is provided with an air inlet corresponding to the output end of the fan.

[0013] As a preferred embodiment of the energy storage motor for high-voltage switchgear described in this utility model, a support leg is also provided at the bottom of the housing.

[0014] As a preferred embodiment of the energy storage motor for high-voltage switchgear described in this utility model, the outer shell of the machine body is provided with air inlets communicating with the cold air chamber on both sides and dust filters fixed inside the air inlets. The inner wall of the cold air chamber is also provided with a heat insulation coating.

[0015] As a preferred embodiment of the energy storage motor for high-voltage switchgear described in this utility model, a temperature sensor for monitoring the motor temperature is also provided inside the housing.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: When using this type of high-voltage switchgear energy storage motor, if it is necessary to cool the motor body inside the equipment, the controller connects the power supply of the semiconductor cooling chip and turns on the fan. At the same time, the cooling components such as the cooling chip provide continuous cold air to the cold air chamber. The "cold air" in the cold air chamber is drawn into the inner cavity of the C-shaped cooling cylinder through the air guide chamber and the fan. Under the action of air pressure, the motor is cooled and dissipated in all directions through the air vents. At the same time, through holes can be opened on the motor shell so that the cold air can be blown directly onto the stator winding for cooling. The airflow after heat exchange naturally rises and is discharged through the heat dissipation holes, which effectively prevents the motor from continuously reaching high temperatures and high heat under operating conditions. Compared with traditional ventilation and heat dissipation, it has a better cooling effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal cooling structure of this utility model;

[0019] Figure 3 This utility model Figure 2 A magnified view of the structure at point A in the middle;

[0020] Figure 4 This is a schematic diagram of the air guide chamber structure of this utility model.

[0021] In the diagram: 100, outer casing; 110, motor body; 120, heat dissipation hole; 130, support leg; 200, C-shaped cooling cylinder; 2001, ventilation hole; 2002, air inlet; 300, cold air chamber; 310, partition plate; 320, mounting port; 400, semiconductor cooling chip; 410, fin one; 420, fin two; 500, air guide chamber; 5001, air outlet; 510, fan; 520, mounting plate. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual proportions. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0025] Figures 1-4 The diagram shown is a complete structural schematic of a high-voltage switchgear energy storage motor according to this utility model. Please refer to [link / reference]. Figures 1-4 This embodiment of a high-voltage switchgear energy storage motor includes a housing 100, a motor body 110 inside the housing 100, and heat dissipation holes 120 on one or more sides of the upper part of the housing 100. Inside the housing 100, there is a C-shaped cooling cylinder 200 that is coaxially semi-encircling the outer periphery of the motor body 110. The C-shaped cooling cylinder 200 is hollow inside, and a venting hole 2001 is opened on the inner arc surface of the C-shaped cooling cylinder 200. Inside the housing 100 and below the C-shaped cooling cylinder 200, there is a cold air chamber 300 and a refrigeration component disposed inside the cold air chamber 300. A guide chamber 500 for drawing cold air from the cold air chamber 300 into the inner cavity of the C-shaped cooling cylinder 200 is disposed in the center of the cold air chamber 300.

[0026] The opening of the C-shaped cooling cylinder 200 faces upwards, and there is a guide gap between the inner arc surface of the C-shaped cooling cylinder 200 and the outer periphery of the motor body 110. It can be understood that the upward opening of the C-shaped cooling cylinder 200 facilitates better natural upward dissipation of hot air, which is then directly discharged through the heat dissipation hole 120. In other embodiments, an exhaust fan can also be provided at the heat dissipation hole 120 to facilitate faster hot air discharge; this is not limited. Multiple semiconductor cooling plates 400 are arranged on both sides of the bottom of the cold air chamber 300. The cooling surface of the semiconductor cooling plate 400 located inside the cold air chamber 300 has several fins 410, and the heat dissipation surface of the semiconductor cooling plate 400 located outside the outer casing 100 has several fins 420. Since the thermoelectric cooler 400 is in a heat exchange state during operation, the cooperation of fin 1 410 facilitates more efficient cold energy output, and the cooperation of fin 2 420 facilitates better heat dissipation, thus further improving the working efficiency of the cooler. It should be noted that the thermoelectric cooler 400 used in this embodiment can also be other types of cooling components, which are not specifically limited here. The bottom of the cold air chamber 300 has a mounting port 320 corresponding to the thermoelectric cooler 400, and the top two sides of the cold air chamber 300 have partitions 310 that are fixedly connected to the outer side of the casing 100 and the C-shaped cooling cylinder 100. The air guide chamber 500 has air outlets 5001 on both sides that are connected to the cold air chamber 300, and the upper inner side of the air guide chamber 500 has a fan 510 and a mounting plate 520 for fixing the fan 510; the bottom of the outer arc surface of the C-shaped cooling cylinder 100 has an air inlet 2002 corresponding to the output end of the fan 510. It should be noted that in this embodiment, the cylinder shell portion of the motor body 100 located inside the C-shaped cooling cylinder 200 can be provided with several ventilation holes. In this way, the cold air blown out through the ventilation holes 2001 can be directly blown into the stator winding inside the motor, thereby achieving more efficient heat dissipation. Specifically, in use, when it is necessary to cool down the motor body 110 inside the equipment, the controller connects the power supply of the semiconductor cooling chip 400 and turns on the fan 510. At the same time, the cooling components such as the cooling chip provide continuous cold air to the cold air chamber 300. The "cold air" in the cold air chamber 300 is drawn into the inner cavity of the C-shaped cooling cylinder 200 through the air guide chamber 500 and the fan 510. Under the action of air pressure, the motor covered and close to the air is cooled by air through the ventilation holes 2001. At the same time, through holes can be provided on the motor shell so that the cold air can be blown directly onto the stator winding for cooling. The airflow after heat exchange naturally rises and is discharged through the heat dissipation holes 120.

[0027] Furthermore, a support leg 130 is also provided at the bottom of the outer casing 100. It can be understood that the support leg 130 provides sufficient ventilation and heat dissipation space at the bottom of the outer casing 100, which is conducive to better heat dissipation from the cooling element.

[0028] Furthermore, the outer casing 100 has air inlets on both sides that communicate with the cooling chamber 300, and dust filters fixed inside the air inlets. The inner wall of the cooling chamber 300 also has a heat-insulating coating. The air inlets maintain a suitable positive pressure in the cooling chamber 300, allowing the internal cold air to be smoothly drawn into the C-shaped cooling cylinder 200. The heat-insulating coating prevents and reduces the loss of cold energy within the cooling chamber 300.

[0029] Furthermore, a temperature sensor for monitoring the motor temperature is also installed inside the outer casing 100. It can be understood that by using the temperature sensor to monitor the temperature of one or more parts of the motor in real time, the device can be controlled and operated via external programming such as a PLC; details will not be elaborated here.

[0030] In summary, the energy storage motor of this high-voltage switchgear, when used, requires cooling of the motor body 110 inside the equipment. The controller connects the power supply to the semiconductor cooling chip 400 and turns on the fan 510. At the same time, the cooling components such as the cooling chip provide continuous cold air to the cold air chamber 300. The "cold air" in the cold air chamber 300 is drawn into the inner cavity of the C-shaped cooling cylinder 200 through the air guide chamber 500 and the fan 510. Under the action of air pressure, the motor is cooled from all directions through the air vents 2001. At the same time, through holes can be opened on the motor shell so that the cold air can be blown directly onto the stator winding for cooling. The airflow after heat exchange naturally rises and is discharged through the heat dissipation holes 120, effectively preventing the motor from continuously overheating under operating conditions. Compared with traditional ventilation and heat dissipation, it has a better cooling effect.

[0031] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A high-voltage switchgear energy storage motor, characterized in that, Includes a housing (100), which houses a motor body (110) and has heat dissipation holes (120) on one or more sides of the upper part of the housing (100). The outer casing (100) has a C-shaped cooling cylinder (200) that is coaxially semi-encircling the outer periphery of the motor body (110). The C-shaped cooling cylinder (200) is hollow inside. The inner arc surface of the C-shaped cooling cylinder (200) is provided with a ventilation hole (2001). Inside the outer casing (100) and below the C-shaped cooling cylinder (200), there is a cold air chamber (300) and a refrigeration component disposed inside the cold air chamber (300). The cold air chamber (300) is provided with a guide chamber (500) in the center for drawing the cold air in the cold air chamber (300) into the inner cavity of the C-shaped cooling cylinder (200).

2. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: The opening of the C-shaped cooling cylinder (200) is facing upwards, and there is a flow guide gap between the inner arc surface of the C-shaped cooling cylinder (200) and the outer periphery of the motor body (110).

3. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: Multiple semiconductor cooling plates (400) are provided on both sides of the bottom of the cold air chamber (300). The cooling surface of the semiconductor cooling plate (400) located inside the cold air chamber (300) has a number of fins (410) distributed on it. The heat dissipation surface of the semiconductor cooling plate (400) located outside the outer shell (100) has a number of fins (420) distributed on it.

4. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: The bottom of the cold air chamber (300) is provided with an installation port (320) corresponding to the semiconductor cooling chip (400), and the top two sides of the cold air chamber (300) have partitions (310) that are fixedly connected to the outer side of the outer shell (100) and the C-shaped cooling cylinder (200).

5. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: The air guide chamber (500) has air outlets (5001) on both sides that are connected to the cold air chamber (300). The upper inner side of the air guide chamber (500) has a fan (510) and a mounting plate (520) for fixing the fan (510). The bottom of the outer arc surface of the C-shaped cooling cylinder (200) is provided with an air inlet (2002) corresponding to the output end of the fan (510).

6. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: The bottom of the outer shell (100) is also provided with a support leg (130).

7. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: The outer shell (100) of the machine body is provided with air inlets communicating with the cold air chamber (300) on both sides, and dust filters fixed inside the air inlets. The inner wall of the cold air chamber (300) is also provided with a heat insulation coating.

8. The energy storage motor for a high-voltage switchgear according to claim 1, characterized in that: The outer casing (100) of the machine body is also equipped with a temperature sensor for monitoring the motor temperature.

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