Motor rotor for scroll compressor for new energy vehicle
By introducing drive components and cooling components into the rotor of scroll compressor motor for new energy vehicles, and using spiral cooling pipes and coolant circulation systems, the problems of motor overheating and cooling efficiency are solved, and effective heat dissipation and lubrication are achieved. Extend the service life of the motor.
Patent Information
- Application Number
- CN202421355801.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The permanent magnet synchronous motors in the scroll compressors for existing new energy vehicles are fast and the heat emitted is high, which makes it difficult to reduce the temperature and easily overheat damage. The existing coolant flow rate is slow, making it difficult to effectively cool down.
A motor rotor including a driving component and a cooling component is designed. The driving component drives the electronic rotor and the driving roller to rotate through the motor stator, and uses a spiral cooling pipe to dissipate and cool down; the cooling component inputs the coolant into the driving motor through the coolant circulation pipe. , and cool down through the circulating water tank to achieve effective cooling and lubrication.
It effectively reduces the temperature of the motor, extends the service life of the motor, prevents overheating and damage, and improves cooling efficiency.
Smart Images

Figure CN222169488U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor rotors, and in particular to a motor rotor for a scroll compressor for new energy vehicles. Background Art
[0002] In new energy vehicle compressors, the application of three-phase embedded permanent magnet synchronous motors is becoming more and more widespread. In the prior art, conventional new energy vehicle compressors use permanent magnet synchronous motors, such as 4, 6, and 8-pole rotors, and the magnets are permanent magnets embedded in the rotor magnet slots. This type of motor has a small number of magnets, and the area of a single magnet perpendicular to the magnetization direction is relatively large, so the seismic resistance is not strong in automotive applications;
[0003] The announcement number CN 117879208 A discloses a motor rotor for a scroll compressor for new energy vehicles, including a rotor, wherein magnetic steel grooves are evenly distributed near the circumference of the rotor, each magnetic steel groove is fixed with a magnetic steel, the number of the magnetic steel grooves is 10, each magnetic steel groove is a straight-line structure, the magnetic steel is fitted in the magnetic steel groove, the position on the outer circumference of the rotor corresponding to each magnetic steel groove is the same convex-concave arc segment, and the convex-concave arc segment includes a first convex arc segment and a second concave arc segment symmetrically connected at both ends of the first convex arc segment;
[0004] When it is in use, due to the fast rotation speed of the motor, the heat dissipated by the motor is high. If the temperature is difficult to drop, the motor may be easily damaged by overheating. Coolant needs to be added inside the motor, but the flow rate of the coolant is slow, which makes it difficult to drop the coolant temperature. Therefore, we propose a motor rotor for a scroll compressor for new energy vehicles. Utility Model Content
[0005] The purpose of the utility model is to provide a motor rotor for a scroll compressor for new energy vehicles, which solves the existing problems.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A motor rotor for a scroll compressor for a new energy vehicle comprises a mounting plate, a motor bracket is fixedly mounted on the top of the mounting plate, a driving motor is fixedly mounted on the inner side of the motor bracket, a coolant storage tank is fixedly mounted on the front and rear of the top of the mounting plate, and a circulating water tank is fixedly mounted on the rear of the top of the mounting plate; a driving assembly, the driving assembly is mounted on the driving motor, the coolant storage tank and the circulating water tank; and a cooling assembly is mounted on the driving motor and the circulating water tank.
[0008] As a further improvement of the above scheme, the driving assembly includes a cooling spiral pipe, a motor stator, an electronic rotor, a connecting flange and a driving roller, the cooling spiral pipe is fixedly installed on the right side of the circulating water tank, the cooling spiral pipe is fixedly installed on the outside of the driving motor, the motor stator is fixedly installed on the inside of the driving motor, the electronic rotor is fixedly installed on the inside of the driving motor, the motor stator and the electronic rotor are meshed, the connecting flange is arranged on the front side of the electronic rotor, and the driving roller is fixedly installed on the front side of the connecting flange.
[0009] As a further improvement of the above scheme, the cooling assembly includes a coolant circulation pipe, a liquid inlet pipe, a sealing cover and a drain pipe, the coolant circulation pipe is fixedly installed on one side of the coolant storage tank, the coolant circulation pipe passes through the circulating water tank and is fixedly installed on the rear side of the drive motor, the other end of the coolant circulation pipe is fixedly installed on the rear of the coolant storage tank, the liquid inlet pipe is fixedly installed on the top of the coolant storage tank and the circulating water tank, the sealing cover is threadedly installed on the outside of the liquid inlet pipe, and the drain pipe is fixedly installed on the left side of the coolant storage tank and the circulating water tank.
[0010] As a further improvement of the above solution, an external thread is provided on the outer side of the liquid inlet pipe, and an internal thread is provided on the inner side of the sealing cover, and the external thread and the internal thread are meshed with each other.
[0011] As a further improvement of the above solution, threaded holes are provided at four front corners of the electronic rotor and the connecting flange, and fixing bolts are installed on the inner threads of the threaded holes.
[0012] As a further improvement of the above solution, installation grooves are provided on the front and rear sides of the circulating water tank, and the coolant circulation pipeline is fixedly installed on the inner side of the installation grooves.
[0013] As a further improvement of the above solution, a solenoid valve is fixedly installed on the inner side of the drainage pipe, a fixing groove is opened on the inner side of the motor bracket, and the cooling spiral pipe is fixedly installed on the inner side of the fixing groove.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] (1) The utility model discloses a motor rotor for a scroll compressor for a new energy vehicle. Through the drive assembly, the device can drive the electronic rotor to rotate through the motor stator, so that the drive roller is connected to the upper part of the electronic rotor through the connecting flange, so that the electronic rotor can drive the drive roller to rotate after the rotation, so that the drive motor can dissipate heat and cool down through the spiral cooling spiral pipe during the startup process, so that the drive motor of the new energy vehicle is not easy to be overheated and damaged during long-term driving;
[0016] (2) The utility model provides a motor rotor for a scroll compressor for a new energy vehicle. Through the cooling component, it is easy to dissipate a large amount of heat during the long-term operation of the drive motor. The device can input the coolant in the coolant storage tank into the interior of the drive motor through the coolant circulation pipeline. The coolant circulation pipeline passes through the circulating water tank during the connection with the coolant storage tank, so that the water source in the circulating water tank can cool the coolant circulation pipeline and the coolant inside. The coolant can lubricate the drive motor, thereby increasing the service life of the drive motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 This is a three-dimensional structural schematic diagram of a motor rotor for a scroll compressor for new energy vehicles proposed by the utility model;
[0019] Figure 2 This is a partial three-dimensional structural schematic diagram of a motor rotor for a scroll compressor for new energy vehicles proposed by the utility model;
[0020] Figure 3 This is a partial three-dimensional structural schematic diagram of a motor rotor for a scroll compressor for new energy vehicles proposed by the utility model;
[0021] Figure 4 This is a partial three-dimensional structural schematic diagram of a motor rotor for a scroll compressor for new energy vehicles proposed by the utility model.
[0022] In the figure: 1. Mounting plate; 2. Motor bracket; 3. Drive motor; 4. Coolant storage tank; 5. Circulating water tank; 6. Cooling spiral pipe; 7. Motor stator; 8. Electronic rotor; 9. Connecting flange; 10. Drive roller; 11. Coolant circulation pipe; 12. Liquid inlet pipe; 13. Sealing cover; 14. Drain pipe. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] refer to Figure 1-4 A motor rotor for a scroll compressor for a new energy vehicle comprises a mounting plate 1, a motor bracket 2 is fixedly mounted on the top of the mounting plate 1, a driving motor 3 is fixedly mounted on the inner side of the motor bracket 2, a coolant storage tank 4 is fixedly mounted on the front and rear of the top of the mounting plate 1, and a circulating water tank 5 is fixedly mounted on the rear of the top of the mounting plate 1; a driving assembly, the driving assembly is mounted on the driving motor 3, the coolant storage tank 4 and the circulating water tank 5; a cooling assembly, the cooling assembly is mounted on the driving motor 3 and the circulating water tank 5; the driving assembly comprises a cooling spiral pipe 6, a motor stator 7, an electronic rotor 8, a connecting flange 9 and a driving roller 10. The cooling spiral pipe 6 is fixedly installed on the right side of the circulating water tank 5, the cooling spiral pipe 6 is fixedly installed on the outside of the driving motor 3, the motor stator 7 is fixedly installed on the inside of the driving motor 3, the electronic rotor 8 is fixedly installed on the inside of the driving motor 3, the motor stator 7 and the electronic rotor 8 are meshed, the connecting flange 9 is arranged on the front side of the electronic rotor 8, and the driving roller 10 is fixedly installed on the front side of the connecting flange 9; after the driving motor 3 is started, the electronic rotor 8 can be driven to rotate by the cooperation of the motor stator 7 and the electronic rotor 8, so that the electronic rotor 8 can drive the connecting flange 9 and the driving roller 10 to rotate.
[0025] The cooling assembly includes a coolant circulation pipe 11, a liquid inlet pipe 12, a sealing cover 13 and a liquid discharge pipe 14. The coolant circulation pipe 11 is fixedly installed on one side of the coolant storage tank 4, the coolant circulation pipe 11 passes through the circulating water tank 5 and is fixedly installed on the rear side of the drive motor 3, the other end of the coolant circulation pipe 11 is fixedly installed on the rear of the coolant storage tank 4, the liquid inlet pipe 12 is fixedly installed on the top of the coolant storage tank 4 and the circulating water tank 5, the sealing cover 13 is threadedly installed on the outside of the liquid inlet pipe 12, and the liquid discharge pipe 14 is fixedly installed on the left side of the coolant storage tank 4 and the circulating water tank 5, so that the device has a better cooling effect on the drive motor 3, so that the drive motor 3 is not easily damaged during long-term operation; an external thread is provided on the outer side of the liquid inlet pipe 12, and an internal thread is provided on the inner side of the sealing cover 13, the external thread and the internal thread are meshed, so that the sealing cover 13 can be threadedly installed on the outer side of the liquid inlet pipe 12, so that the liquid inlet pipe 12 and the sealing cover 13 are not easy to separate, and the sealing effect is better.
[0026] Threaded holes are provided at the four front corners of the electronic rotor 8 and the connecting flange 9, and fixing bolts are installed on the inner threads of the threaded holes; the electronic rotor 8 can be connected to the connecting flange 9 by fixing bolts, making installation more convenient; installation grooves are provided on the front and rear sides of the circulating water tank 5, and the coolant circulation pipe 11 is fixedly installed on the inner side of the installation groove; the coolant circulation pipe 11 can pass through the inner side of the circulating water tank 5, so that the circulating water tank 5 can cool the coolant circulation pipe 11; an electromagnetic valve is fixedly installed on the inner side of the discharge pipe 14, a fixing groove is provided on the inner side of the motor bracket 2, and the cooling spiral pipe 6 is fixedly installed on the inner side of the fixing groove, and the fixing groove facilitates the installation of the cooling spiral pipe 6, and the electromagnetic valve allows the liquid inside the coolant storage tank 4 and the circulating water tank 5 to flow out through the electromagnetic valve, so that the sealing effect is better.
[0027] The implementation principle of one of the embodiments of the present application is as follows: through the cooling component that is set up, it is easy to dissipate a large amount of heat during the long-term operation of the drive motor 3. The device can input the coolant inside the coolant storage tank 4 into the interior of the drive motor 3 through the coolant circulation pipe 11, and the coolant circulation pipe 11 passes through the circulating water tank 5 during the connection with the coolant storage tank 4, so that the water source inside the circulating water tank 5 can cool the coolant circulation pipe 11 and the coolant inside, and the coolant can lubricate the drive motor 3, thereby improving the service life of the drive motor 3; the device can drive the electronic rotor 8 to rotate through the motor stator 7, so that the drive roller 10 is connected to the top of the electronic rotor 8 through the connecting flange 9, so that the electronic rotor 8 can drive the drive roller 10 to rotate after rotation, so that the drive motor 3 can dissipate heat and cool down through the spiral cooling spiral pipe 6 during the startup process, so that the drive motor 3 of the new energy vehicle is not easy to be overheated and damaged during long-term driving.
[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0029] The above is a detailed introduction to the motor rotor for a scroll compressor for new energy vehicles provided by the utility model. This article uses specific embodiments to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. A motor rotor for a scroll compressor for a new energy vehicle, characterized in that: include: A mounting plate (1), a motor bracket (2) is fixedly mounted on the top of the mounting plate (1), a drive motor (3) is fixedly mounted on the inner side of the motor bracket (2), a coolant storage tank (4) is fixedly mounted on the front and rear of the top of the mounting plate (1), and a circulating water tank (5) is fixedly mounted on the rear of the top of the mounting plate (1); A drive assembly, wherein the drive assembly is mounted on the drive motor (3), the coolant storage tank (4) and the circulating water tank (5); A cooling component is installed on the driving motor (3) and the circulating water tank (5).
2. The motor rotor for a scroll compressor for a new energy vehicle according to claim 1, characterized in that: The driving assembly comprises a cooling spiral pipe (6), a motor stator (7), an electronic rotor (8), a connecting flange (9) and a driving roller (10); the cooling spiral pipe (6) is fixedly mounted on the right side of a circulating water tank (5); the cooling spiral pipe (6) is fixedly mounted on the outside of a driving motor (3); the motor stator (7) is fixedly mounted on the inside of the driving motor (3); the electronic rotor (8) is fixedly mounted on the inside of the driving motor (3); the motor stator (7) and the electronic rotor (8) are meshed with each other; the connecting flange (9) is arranged on the front side of the electronic rotor (8); and the driving roller (10) is fixedly mounted on the front side of the connecting flange (9).
3. The motor rotor for a scroll compressor for a new energy vehicle according to claim 1, characterized in that: The cooling assembly comprises a coolant circulation pipe (11), a liquid inlet pipe (12), a sealing cover (13) and a liquid discharge pipe (14); the coolant circulation pipe (11) is fixedly mounted on one side of a coolant storage tank (4); the coolant circulation pipe (11) passes through a circulating water tank (5) and is fixedly mounted on the rear side of a drive motor (3); the other end of the coolant circulation pipe (11) is fixedly mounted on the rear of the coolant storage tank (4); the liquid inlet pipe (12) is fixedly mounted on the top of the coolant storage tank (4) and the circulating water tank (5); the sealing cover (13) is threadedly mounted on the outside of the liquid inlet pipe (12); and the liquid discharge pipe (14) is fixedly mounted on the left side of the coolant storage tank (4) and the circulating water tank (5).
4. The motor rotor for a scroll compressor for a new energy vehicle according to claim 3, characterized in that: The outer side of the liquid inlet pipe (12) is provided with an external thread, and the inner side of the sealing cover (13) is provided with an internal thread, and the external thread and the internal thread are meshed.
5. The motor rotor for a scroll compressor for a new energy vehicle according to claim 2, characterized in that: The four front corners of the electronic rotor (8) and the connecting flange (9) are provided with threaded holes, and fixing bolts are threadedly installed inside the threaded holes.
6. The motor rotor for a scroll compressor for a new energy vehicle according to claim 3, characterized in that: The circulating water tank (5) is provided with mounting grooves on both the front and rear sides, and the cooling liquid circulation pipeline (11) is fixedly installed inside the mounting grooves.
7. The motor rotor for a scroll compressor for a new energy vehicle according to claim 3, characterized in that: A solenoid valve is fixedly installed on the inner side of the liquid discharge pipe (14), a fixing groove is provided on the inner side of the motor bracket (2), and a cooling spiral pipe (6) is fixedly installed on the inner side of the fixing groove.
