Vertical module high-potential power supply device and method

Abstract

The invention relates to a vertical module high-potential power supply device and method.The vertical module high-potential power supply device comprises a motor insulation transmission system, an insulation voltage-sharing support system and an auxiliary system, the motor insulation transmission system comprises a prime motor used for providing power, an insulation transmission shaft and a synchronous generator, the prime motor is located in a ground potential area, and the synchronous generator is located in a high-potential area; the prime motor drives the synchronous generator to operate through the insulation transmission shaft. The insulation voltage-sharing support system provides insulation support for the motor insulation transmission system, and voltage distribution between a ground potential area and a high potential area is improved through a voltage-sharing structure which is arranged in a layered mode. The auxiliary system realizes wiring connection between the interior and the exterior of the device and promotes heat dissipation of the device. The high-potential anti-surge physical insulation power supply device is compact in overall structure, has the modular characteristic, achieves the purpose of supplying power to high-potential anti-surge physical insulation, can improve voltage distribution between high and low potentials of equipment, and is low in working noise.

Description

Technical Field

[0001] The invention belongs to the technical field of accelerators, and in particular relates to a vertical module high-potential power supply device and method. Background Art

[0002] A particle accelerator is a device that artificially generates a high-energy charged particle beam, in which an electrostatic accelerator relies on high voltage to accelerate particles to achieve the required particle energy. This requires that the accelerator-related ion source, vacuum chamber, beam measurement components, switch valves and other components be suspended at a high potential. The high potential and high voltage in the air can reach hundreds of kilovolts. Surges are unavoidable during the operation of the accelerator, and surges can damage the accelerator equipment.

[0003] Surge current refers to the peak current or overload current that is much larger than the steady-state current when the power is turned on or when an abnormality occurs in the circuit. Surge is also called sudden wave, which means the instantaneous overvoltage that exceeds the normal working voltage.

[0004] At present, an isolation transformer is often used to supply high-voltage power to the accelerator. When a surge occurs, the isolation transformer is prone to insulation breakdown, magnetic saturation, and mechanical stress, which can damage the isolation transformer and further damage the ground-voltage accelerator equipment, shortening the life of the accelerator, increasing maintenance costs, and even threatening the life of the operator. Therefore, there is an urgent need for a safe and reliable surge-proof power supply device for the accelerator.

[0005] Chinese patent application 202210696257.X discloses "a power supply device and power supply method for accelerator potential isolation". An asynchronous servo motor is provided with a rotating shaft at one end, and one end of the rotating shaft is rotatably matched with one end of an isolation linkage rod, and the other end of the isolation linkage rod is rotatably matched with one end of a power generation mechanism. The power supply can be realized by using an electric motor, a generator, an isolation linkage rod, and a voltage stabilizer. The device is not modularly designed, and lacks voltage balancing and noise reduction measures, has a short service life, and has high working noise. Summary of the invention

[0006] The purpose of the present invention is to provide a vertical modular high-potential power supply device and method to solve the technical problems that need to be solved in the prior art, which uses a physical method to insulate the high potential and ground potential and improve the distribution of voltage between the high and low potentials of the equipment.

[0007] To achieve the above object, the technical solution of the present invention is as follows:

[0008] A vertical module high-potential power supply device includes a motor insulation transmission system, an insulation equalizing support system, and an auxiliary system, wherein:

[0009] The motor insulation transmission system includes a prime mover for providing power, an insulation transmission shaft, and a synchronous generator, wherein the prime mover is located in a ground potential area, and the synchronous generator is located in a high potential area, and the prime mover drives the synchronous generator to operate through the insulation transmission shaft;

[0010] The insulating voltage-equalizing support system provides insulating support for the motor insulation transmission system, and improves the voltage distribution between the ground potential area and the high potential area through a layered voltage-equalizing structure;

[0011] The auxiliary system realizes the wiring connection between the inside and outside of the device and promotes the heat dissipation of the device.

[0012] Further, in a specific embodiment, the vertical modular high-potential power supply device as described above, wherein the prime mover is an electric motor, the output shaft of the prime mover is upward and connected to the lower end of the insulating transmission shaft through a coupling I, and the upper end of the insulating transmission shaft is connected to the output shaft of the synchronous generator through a coupling II; the coupling I and coupling II have a certain degree of flexibility.

[0013] Further, in a specific embodiment, in the vertical modular high-potential power supply device as described above, the insulating voltage-sharing support system includes a prime mover fixing part, an insulating support cylinder, and a synchronous generator fixing part which are sequentially connected from bottom to top.

[0014] Further, in a specific embodiment, the vertical modular high-voltage power supply device as described above, wherein the prime mover fixing member includes a prime mover bracket and a prime mover fixing plate, the prime mover is mounted on the prime mover fixing plate, and the prime mover fixing plate is connected to the prime mover bracket; a sound insulation cover is arranged on the outside of the prime mover bracket and the prime mover fixing plate, and the inner wall of the sound insulation cover is covered with sound insulation material.

[0015] Furthermore, a plurality of connecting columns I are fixed above the prime mover fixing plate, a connecting plate I is installed above the connecting column I, the insulating support tube is installed above the connecting plate I, the insulating support tube is sleeved on the outside of the insulating transmission shaft, a connecting plate II is installed on the upper end of the insulating support tube, and the synchronous generator fixing part is installed above the connecting plate II.

[0016] The synchronous generator fixing member comprises a plurality of connecting columns II, a synchronous generator fixing plate is installed above the connecting columns II, and the synchronous generator is installed on the synchronous generator fixing plate.

[0017] Furthermore, a top cover is provided on the outside of the synchronous generator, the lower part of the top cover is fixedly connected to the connecting plate II, and the inner wall of the top cover is covered with sound insulation material.

[0018] As a preferred implementation scheme, a plurality of vibration isolation pads are fixed above the connection plate II, a connection plate III is installed on the other side of the vibration isolation pads, and the bottom ends of the plurality of connection columns II are fixedly installed on the connection plate III.

[0019] Furthermore, in a specific embodiment, in the vertical modular high-potential power supply device as described above, voltage equalizing rings for improving the voltage distribution between the ground potential area and the high potential area are respectively provided at the edge of the connecting plate I, the edge of the connecting plate II and the top edge of the top cover.

[0020] Further, in a specific embodiment, the vertical modular high-voltage power supply device as described above, wherein the auxiliary system includes a cooling fan I and a wire adapter I installed on the side of the sound insulation cover, and the wire adapter I realizes the electrical connection between the prime mover and the power supply.

[0021] As a preferred embodiment, an emergency stop button is connected in series between the power supply and the wire adapter 1 to cut off the system power supply in an emergency.

[0022] The auxiliary system also includes a cooling fan II and a wire adapter II installed on the side of the top cover, and the wire adapter II realizes the electrical connection between the synchronous generator and the power supply socket.

[0023] Further, in a specific embodiment, in the vertical modular high-potential power supply device as described above, wherein the insulating transmission shaft is made of insulating material, the surface roughness is better than Ra6.4, and the length is determined according to the insulation requirements.

[0024] Furthermore, in a specific embodiment, in the vertical modular high-potential power supply device as described above, the insulating support tube is made of insulating material with a surface roughness better than Ra6.4, the length is determined according to the insulation requirements, and both ends of the insulating support tube are fixedly connected to the connecting plate I and the connecting plate II respectively using insulating material bolts.

[0025] The power supply method of the vertical module high potential power supply device is as follows:

[0026] The motor insulation transmission system supplies power to the prime mover through the power supply located in the ground potential area, so that the prime mover can run, and the torque is transmitted through the insulating transmission shaft to drive the synchronous generator located in the high potential area to work, thus realizing surge-proof physical insulation power supply for high potential equipment;

[0027] The voltage distribution between the ground potential area and the high potential area of ​​the equipment is improved by distributing the voltage grading rings on the outside of the insulated voltage grading support system, thereby enhancing the surge resistance of the device.

[0028] The cooling fan of the auxiliary system increases the heat dissipation speed of the prime mover and synchronous generator, and sound insulation measures are used to reduce working noise.

[0029] The beneficial effects of the present invention are as follows: the present invention combines a motor insulation transmission system, an insulation equalizing support system, and an auxiliary system into a surge protection generator set. The overall structure is compact, integrated from top to bottom, and has modular characteristics; the device is powered by a ground potential power supply to enable the prime mover to operate, and the torque is transmitted through the insulating transmission shaft to drive the synchronous generator at the high potential to work, thereby supplying power to the high potential equipment and achieving the goal of physically insulating power supply for high potential surge protection; the device is in the shape of a "round tower" as a whole, with equalizing rings distributed on the outside, which improves the distribution of voltage between high and low potentials of the equipment, enhances the surge resistance of the device, and increases the service life of the device; the device adopts sound insulation measures to isolate noise from the transmission path, effectively reducing working noise and improving the comfort of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic structural diagram of a vertical module high-potential power supply device in a specific embodiment of the present invention.

[0031] In the figure, 1-prime mover bracket, 2-prime mover fixing plate, 3-soundproof cover, 4-connecting column I, 5-connecting plate I, 6-insulating support cylinder, 7-connecting plate II, 8-vibration isolation pad, 9-connecting plate III, 10-connecting column II, 11-synchronous generator fixing plate, 12-top cover, 13-equalizing ring I, 14-equalizing ring II, 15-equalizing ring III, 16-prime mover, 17-coupling I, 18-insulating transmission shaft, 19-coupling II, 20-synchronous generator, 101-cooling fan I, 102-wire adapter I, 103-power strip, 104-emergency stop button, 105-cooling fan II, 106-wire adapter II. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0033] The present invention provides a vertical modular high-potential power supply device, comprising a motor insulation transmission system, an insulation voltage grading support system, and an auxiliary system. For the convenience of description, the "upper" and "lower" mentioned in the following description refer to the upper and lower parts of the space, and the prime mover is an electric motor, which is the power source of the entire system.

[0034] The motor insulation transmission system includes a prime mover for providing power, an insulating transmission shaft, and a synchronous generator. The prime mover is located in the ground potential area, and the synchronous generator is located in the high potential area. The prime mover drives the synchronous generator to operate through the insulating transmission shaft; the motor insulation transmission system uses a physical method to insulate the high potential and the ground potential to ensure forced insulation between the high potential and the ground potential when a surge current occurs.

[0035] The insulating voltage-equalizing support system provides insulating support for the motor insulation transmission system and improves the voltage distribution between the ground potential area and the high potential area through a layered voltage-equalizing structure.

[0036] The auxiliary system realizes the wiring connection between the inside and outside of the device and promotes the heat dissipation of the device. The specific structure of the vertical module high-potential power supply device in this embodiment is as follows Figure 1 As shown, the insulating voltage-equalizing support system is the foundation of the entire device, used to support the motor insulation transmission system, and its appearance is a "round tower", including a prime mover support 1, a prime mover fixing plate 2, a soundproof cover 3, a connecting column Ⅰ4, a connecting plate Ⅰ5, an insulating support tube 6, a connecting plate Ⅱ7, a vibration isolation pad 8, a connecting plate Ⅲ9, a connecting column Ⅱ10, a synchronous generator fixing plate 11, a top cover 12, a voltage-equalizing ring Ⅰ13, a voltage-equalizing ring Ⅱ14, and a voltage-equalizing ring Ⅲ15. The insulating voltage-equalizing support system is centered on the insulating support tube 6, and along the axial direction of the insulating support tube 6, the lower part is the ground potential area, and the upper part is the high potential area. The ground potential area is dropped to the ground by the prime mover support 1, and the lower part is connected to the ground by bolts. The upper part of the prime mover support 1 is connected to one side of the prime mover fixing plate 2 by bolts, and the other side of the prime mover fixing plate 2 is fixed to the soundproof cover 3 by bolts. The soundproof cover 3 covers the prime mover fixing plate 2 and the prime mover support 1 to form an isolation from the external environment. At the same time, the other side of the prime mover fixing plate 2 also fixes one side of several connecting columns Ⅰ4, and the other side of the connecting column Ⅰ4 is fixed to the connecting plate Ⅰ5 by bolts. The edge of the connecting plate Ⅰ5 is fixed with the equalizing ring Ⅰ13 by bolts, and the connecting plate Ⅰ5 is concentric with the insulating support tube 6. The insulating support tube 6 has flanges on both sides, and one side flange is fixed to the connecting plate Ⅰ5 by insulating screws. So far, it is the ground potential area. The flange on the other side of the insulating support tube is the high potential area, and the flange on this side is fixed to the connecting plate Ⅱ7. The edge of the connecting plate Ⅱ7 is fixed with the equalizing ring Ⅱ14 by bolts, and several vibration isolation pads 8 are fixed above the connecting plate Ⅱ7 by bolts. The other side of the vibration isolation pad 8 is fixed with the connecting plate Ⅲ9 by bolts, and several connecting columns Ⅱ10 are fixed on the other side of the connecting plate Ⅲ9. The other side of the connecting column Ⅱ10 is connected to the synchronous generator fixing plate 11. The top cover 12 covers the entire high-voltage area together. The lower side of the top cover 12 is fixed to the side of the connecting plate Ⅱ7 by bolts, and the top edge of the top cover is fixed with the equalizing ring Ⅲ15 by bolts. The grading ring is a hollow circular ring made of aluminum or stainless steel. It is light in weight and has a smooth surface. It is mainly used to reduce the accumulation of charge on the surface of the equipment. The introduction of the grading ring can make the electric field on the surface of the equipment more uniform, thereby reducing the electric field intensity gradient.

[0037] The motor insulation transmission system includes a prime mover 16, a coupling I17, an insulating transmission shaft 18, a coupling II19, and a synchronous generator 20. The output shaft of the prime mover 16 is upward, the end flange of the prime mover base is fixed to the prime mover fixing plate 2 by bolts, the output shaft of the prime mover is fixedly connected to one side of the insulating transmission shaft 18 by bolts through the coupling I17, the other side of the insulating transmission shaft 18 is connected to one end of the coupling II19 by bolts, and the other end of the coupling II19 is connected to the output shaft of the synchronous generator. The synchronous generator 20 is installed vertically, and the end flange on the output shaft side is fixed to the connecting plate III9 by bolts. The coupling I17 and the coupling II19 have a certain degree of flexibility. If a flexible coupling is used, the difficulty of aligning the transmission shaft can be reduced, and the stability of the transmission can be improved.

[0038] The auxiliary system is used to connect the internal and external wiring of the device and meet the heat dissipation requirements of the device, including a cooling fan I101, a wire adapter I102, a power strip 103, an emergency stop button 104, a cooling fan II 105, and a wire adapter II 106.

[0039] The cooling fan I101 and the wire adapter I102 are installed on the side wall of the soundproof cover 3. Soundproof materials are posted inside the soundproof cover 3 to isolate noise from the transmission path. The bottom of the soundproof cover is open, and the side openings are embedded with the cooling fan I101 and the wire adapter I102. The cooling fan I101 enhances the heat dissipation speed of the internal prime mover. The wire adapter I102 is connected to the prime mover 16 through wires inside, and is connected to the power supply through wires outside to power the system; the emergency stop button 104 is connected in series between the power supply and the wire adapter I102, which is used to cut off the system power supply in an emergency.

[0040] The cooling fan II 105 and the wire adapter II 106 are installed on the side wall of the top cover 12. Sound insulation material is posted inside the top cover 12 to isolate noise from the transmission path. The bottom of the top cover is open, and the side openings are embedded with the cooling fan II 105 and the wire adapter II 106. The cooling fan II 105 enhances the heat dissipation speed of the internal synchronous generator. One side of the wire adapter II 106 is connected to the power supply line of the synchronous generator 20, and the other side is directly connected to the power strip 103 to power the equipment.

[0041] In a specific embodiment, the insulating transmission shaft 18 is made of insulating material, and the material can be selected from PEEK, organic glass (PMMA) or epoxy glass fiber winding tube, etc., with a surface roughness better than Ra6.4, and the length is determined according to the insulation requirements; the insulating support tube 6 is made of insulating material, and the material can be selected from PEEK, organic glass (PMMA) or epoxy glass fiber winding tube, etc., with a surface roughness better than Ra6.4, and the connecting bolts at both ends of the insulating support tube 6 need to be insulating material bolts, and the material can be selected from PEEK, organic glass (PMMA) or epoxy glass fiber winding tube, etc., and the length is determined according to the insulation requirements.

[0042] The high-potential power supply device of the present invention is arranged vertically, occupies a small area, has modular characteristics, has low working noise and long service life.

[0043] The power supply method of the vertical module high potential power supply device is as follows:

[0044] The motor insulation transmission system supplies power to the prime mover 16 through the power supply located in the ground potential area, so that the prime mover 16 runs, and drives the insulating transmission shaft 18 to rotate through the coupling I17. The insulating transmission shaft 18 transmits torque through the coupling II19 to drive the synchronous generator 20 located in the high potential area to operate. The synchronous generator 20 supplies power to the external device through the power strip 103, realizing the surge protection physical insulation power supply for the high potential equipment;

[0045] While supplying power, the voltage distribution between the ground potential area and the high potential area of ​​the equipment is improved by respectively setting the voltage grading ring I13 on the edge of the connecting plate I, the voltage grading ring II grading ring 14 on the edge of the connecting plate II, and the voltage grading ring III 15 on the top edge of the top cover, thereby improving the anti-surge characteristics of the device;

[0046] The cooling fans 101 and 105 of the auxiliary system increase the cooling speed of the prime mover 16 and the synchronous generator 20, and the working noise is reduced by sound insulation measures.

[0047] Those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not disclosed by the present invention. Thus, if these variations and use adaptations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and use adaptations.

[0048] The above embodiments are merely illustrative of the present invention, and the present invention may also be implemented in other specific ways or other specific forms without departing from the gist or essential features of the present invention. Therefore, the described embodiments should be considered illustrative rather than restrictive in any respect. The scope of protection of the present invention should be described by the claims, and any changes equivalent to the intent and scope of the claims should also be included within the scope of the present invention.

Claims

1. A vertical module high potential power supply device, characterized in that: It includes motor insulation transmission system, insulation equalizing support system and auxiliary system, among which: The motor insulation transmission system comprises a prime mover (16) for providing power, an insulation transmission shaft (18), and a synchronous generator (20), wherein the prime mover (16) is located in a ground potential area, and the synchronous generator (20) is located in a high potential area, and the prime mover (16) drives the synchronous generator (20) to operate through the insulation transmission shaft (18); The insulating voltage-equalizing support system provides insulating support for the motor insulation transmission system, and improves the voltage distribution between the ground potential area and the high potential area through a layered voltage-equalizing structure; The auxiliary system realizes the wiring connection between the inside and outside of the device and promotes the heat dissipation of the device.

2. The vertical module high potential power supply device according to claim 1, characterized in that: The prime mover (16) is an electric motor, the output shaft of the prime mover is upward and connected to the lower end of the insulating transmission shaft (18) through a coupling I (17), and the upper end of the insulating transmission shaft (18) is connected to the output shaft of the synchronous generator through a coupling II (19).

3. The vertical module high potential power supply device according to claim 2, characterized in that: The coupling I (17) and the coupling II (19) have certain flexibility.

4. The vertical module high potential power supply device according to claim 1, characterized in that: The insulating voltage-equalizing support system comprises a prime mover fixing part, an insulating support cylinder, and a synchronous generator fixing part which are sequentially connected from bottom to top.

5. The vertical module high potential power supply device according to claim 4, characterized in that: The prime mover fixing member comprises a prime mover bracket (1) and a prime mover fixing plate (2), the prime mover (16) is mounted on the prime mover fixing plate (2), and the prime mover fixing plate (2) is connected to the prime mover bracket (1); a soundproof cover (3) is arranged outside the prime mover bracket (1) and the prime mover fixing plate (2), and the inner wall of the soundproof cover (3) is affixed with sound insulation material.

6. The vertical module high potential power supply device according to claim 5, characterized in that: A plurality of connecting columns I (4) are fixed above the prime mover fixing plate (2), a connecting plate I (5) is installed above the connecting columns I (4), the insulating support tube (6) is installed above the connecting plate I (1), the insulating support tube (6) is sleeved on the outside of the insulating transmission shaft (18), a connecting plate II (7) is installed at the upper end of the insulating support tube (6), and the synchronous generator fixing part is installed above the connecting plate II (7).

7. The vertical module high potential power supply device according to claim 6, characterized in that: The synchronous generator fixing member comprises a plurality of connecting columns II (10), a synchronous generator fixing plate (11) is installed above the connecting columns II (10), and the synchronous generator (20) is installed on the synchronous generator fixing plate (11); a top cover (12) is provided on the outer side of the synchronous generator (20), the lower part of the top cover (12) is fixedly connected to the connecting plate II (7), and the inner wall of the top cover (12) is affixed with sound insulation material.

8. The vertical module high potential power supply device according to claim 7, characterized in that: A plurality of vibration isolation pads (8) are fixed above the connection plate II (7), a connection plate III (9) is installed on the other side of the vibration isolation pad (8), and the bottom ends of the plurality of connection columns II (10) are fixedly installed on the connection plate III (9).

9. The vertical module high potential power supply device according to claim 7, characterized in that: Voltage grading rings (13, 14, 15) for improving the voltage distribution between the ground potential area and the high potential area are respectively arranged on the edge of the connecting plate I, the edge of the connecting plate II and the top edge of the top cover.

10. The vertical module high potential power supply device according to claim 5, characterized in that: The auxiliary system comprises a cooling fan I (101) and a wire adapter I (102) installed on the side of the soundproof cover (3), and the wire adapter I (102) realizes the electrical connection between the prime mover and the power supply.

11. The vertical module high-potential power supply device according to claim 10, characterized in that: An emergency stop button (104) is connected in series between the power supply and the wire adapter I (102) to cut off the system power supply in an emergency.

12. The vertical module high potential power supply device according to claim 7, characterized in that: The auxiliary system also includes a cooling fan II (105) and an electric wire adapter II (106) installed on the side of the top cover (12), and the electric wire adapter II (106) realizes the electrical connection between the synchronous generator (20) and the power supply socket (103).

13. The vertical module high potential power supply device according to claim 1, characterized in that: The insulating transmission shaft (18) is made of insulating material, has a surface roughness better than Ra6.4, and has a length determined according to insulation requirements.

14. The vertical module high potential power supply device according to claim 6, characterized in that: The insulating support tube (6) is made of insulating material, has a surface roughness better than Ra6.4, and has a length determined according to insulation requirements. In addition, both ends of the insulating support tube (6) are fixedly connected to the connecting plate I (5) and the connecting plate II (7) respectively by insulating material bolts.

15. A power supply method for the vertical module high-potential power supply device according to any one of claims 1 to 14, characterized in that: include: The motor insulation transmission system supplies power to the prime mover through the power supply located in the ground potential area, so that the prime mover can run, and the torque is transmitted through the insulating transmission shaft to drive the synchronous generator located in the high potential area to work, thus realizing surge-proof physical insulation power supply for high potential equipment; The voltage distribution between the ground potential area and the high potential area of ​​the equipment is improved by distributing the voltage grading rings on the outside of the insulated voltage grading support system, thereby enhancing the surge resistance of the device. The cooling fan of the auxiliary system increases the heat dissipation speed of the prime mover and synchronous generator, and sound insulation measures are used to reduce working noise.

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