A new energy power motor monitoring use reluctance type rotary transformer
By introducing stator components, rotor components, insulation components, coil frames, and fans into a reluctance rotary transformer, the problems of inconvenience and insufficient heat dissipation in existing electromagnetic induction drives are solved, achieving convenient electromagnetic induction and effective heat dissipation. This technology is suitable for angle sensor components in the power motors of new energy vehicles.
Patent Information
- Application Number
- CN202521336745.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-14
- Estimated Expiration
- 2035-06-27
AI Technical Summary
Existing reluctance rotary transformers are inconvenient to use due to electromagnetic induction drive and are prone to overheating, resulting in poor heat dissipation and affecting their performance.
A reluctance rotary transformer for monitoring new energy power motors was designed, comprising a stator assembly, a rotor assembly, an insulation assembly, a coil frame, a heat sink, and a fan. It generates a sinusoidal trajectory of air gap magnetic permeability change through the principle of electromagnetic induction and generates a sinusoidal or cosine change of induced voltage through the rotor salient pole effect. At the same time, it enhances the heat dissipation effect by using a fan and heat dissipation holes for heat dissipation.
It combines the convenience of electromagnetic induction drive with heat dissipation effect, has a simple structure, is easy to operate, and performs better than traditional methods. It solves the shortcomings of existing technology, has electromagnetic induction and sine or cosine angle sensor device, and enhances heat dissipation effect.
Smart Images

Figure CN224499383U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of reluctance rotary transformer technology, and in particular to a reluctance rotary transformer for monitoring new energy power motors. Background Technology
[0002] A magnetoresistive rotary transformer is an angle sensor widely used in power motors for new energy vehicles, mining, textiles and other machinery. Based on the principle of electromagnetic induction, it generates a sinusoidal change in air gap magnetic permeability through the rotor salient pole effect, causing the induced voltage of the output winding to change sinusoidally or cosinely with the mechanical angle. With the continuous development of technology, people have increasingly higher requirements for the manufacturing process of magnetoresistive rotary transformers.
[0003] Existing reluctance rotary transformers have certain drawbacks in use. First, they cannot easily and quickly perform electromagnetic induction drive, which is not conducive to user operation. Second, they tend to overheat after prolonged use and cannot dissipate heat effectively, which negatively impacts practical application. Therefore, we propose a reluctance rotary transformer for monitoring new energy power motors. Utility Model Content
[0004] Technical problem to be solved: In view of the shortcomings of the existing technology, this utility model provides a magnetoresistive rotary transformer for monitoring new energy power motors. Based on the principle of electromagnetic induction, it generates a change in air gap magnetic permeability with a sinusoidal trajectory through the rotor salient pole effect, so that the induced voltage of the output winding changes sinusoidally or cosinely with the mechanical angle. At the same time, it increases the heat dissipation effect and facilitates better use. It can effectively solve the problems in the background technology.
[0005] Technical Solution: To achieve the above objectives, the technical solution adopted by this utility model is as follows: A reluctance rotary transformer for monitoring new energy power motors, comprising a stator assembly and a rotor assembly. An insulating component is installed on the inner wall of the stator assembly. A first coil frame is positioned on the inner wall of the insulating component. A coil assembly is installed on the inner side of the first coil frame. A second coil frame is installed at the end of the coil assembly. The rotor assembly is located on the inner side of the second coil frame. A heat dissipation ring is positioned in the middle of the stator assembly. Heat dissipation holes are provided on the heat dissipation ring. A slot is provided on the outer wall of the stator assembly. A positioning groove is provided on the outer ring of the stator assembly. A terminal interface is connected to the coil assembly. A terminal assembly is connected to the terminal interface. A connecting wire is connected to the terminal assembly. A connector is connected between the terminal assembly and the connecting wire. A plug is connected to the connecting wire. A plug is connected to the plug.
[0006] Preferably, a heat dissipation component is positioned at the bottom of the stator assembly, a nut and a bolt are positioned between the first coil frame and the heat dissipation component, an installation groove is provided at the position of the heat dissipation component on the periphery, a fan is installed inside the heat dissipation component below the heat dissipation hole, an air outlet cover is installed on the fan, a power generation component is connected to the fan, and an electrical wire is connected between the fan and the power generation component.
[0007] Preferably, the terminal interface is energized through the terminal assembly, connecting wire, plug and insert, and the terminal interface energizes the coil assembly, and the rotor assembly rotates inside the coil assembly.
[0008] Preferably, the stator assembly is engaged and fixed to the first coil frame, and sealed by an insulating component.
[0009] Preferably, the power generation component supplies power to the fan via an electrical conductor, and the fan blows air outward through an air outlet shroud to the location of the heat dissipation holes.
[0010] Preferably, the stator assembly and the heat dissipation assembly are fixed together by nuts, mounting slots and bolts.
[0011] Beneficial Effects: Compared with the prior art, this utility model provides a reluctance rotary transformer for monitoring new energy power motors, which has the following beneficial effects: This reluctance rotary transformer for monitoring new energy power motors, based on the principle of electromagnetic induction, generates an air gap magnetic permeability change with a sinusoidal trajectory through the rotor salient pole effect, so that the induced voltage of the output winding changes sinusoidally or cosinely with the mechanical angle, and at the same time increases the heat dissipation effect, making it easier to use. The entire reluctance rotary transformer has a simple structure, is easy to operate, and has a better performance than traditional methods. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of a reluctance rotary transformer for monitoring new energy power motors according to this utility model.
[0013] Figure 2 This is a schematic diagram of the stator assembly in a reluctance rotary transformer for monitoring new energy power motors according to this utility model.
[0014] Figure 3 This is a schematic diagram of the installation structure of the heat dissipation component in a reluctance rotary transformer for monitoring a new energy power motor according to this utility model.
[0015] Figure 4 This is a schematic diagram of the heat dissipation component in a reluctance rotary transformer for monitoring a new energy power motor according to this utility model.
[0016] In the diagram: 1. Stator assembly; 2. First coil frame; 3. Insulation assembly; 4. Heat sink; 5. Slot; 6. Terminal interface; 7. Terminal assembly; 8. Coil assembly; 9. Second coil frame; 10. Rotor assembly; 11. Connector; 12. Connecting wire; 13. Plug; 14. Insert; 15. Heat dissipation hole; 16. Positioning slot; 17. Nut; 18. Mounting slot; 19. Bolt; 20. Generating assembly; 21. Electrical wire; 22. Fan; 23. Exhaust shroud; 24. Heat dissipation assembly. Detailed Implementation
[0017] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are only some embodiments of this utility model, not all embodiments, and are only used to illustrate this utility model, and should not be regarded as limiting the scope of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Where specific conditions are not specified in the embodiments, conventional conditions or conditions recommended by the manufacturer shall be followed. Where the manufacturers of reagents or instruments are not specified, they are all conventional products that can be purchased commercially.
[0018] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0020] like Figure 1-4As shown, a reluctance rotary transformer for monitoring new energy power motors includes a stator assembly 1 and a rotor assembly 10. An insulating component 3 is installed on the inner wall of the stator assembly 1. A first coil frame 2 is positioned on the inner wall of the insulating component 3. A coil assembly 8 is installed inside the first coil frame 2. A second coil frame 9 is installed at the end of the coil assembly 8. The rotor assembly 10 is located inside the second coil frame 9. A heat dissipation ring 4 is positioned in the middle of the stator assembly 1, and heat dissipation holes 15 are provided on the heat dissipation ring 4. A slot 5 is provided on the outer wall of the stator assembly 1. The outer ring of the stator assembly 1... The device includes a positioning slot 16, a coil assembly 8 connected to a terminal interface 6, a terminal assembly 7 connected to the terminal interface 6, a connecting wire 12 connected to the terminal assembly 7, a connector 11 connected between the terminal assembly 7 and the connecting wire 12, a plug 13 connected to the connecting wire 12, and a plug 14 connected to the plug 13. Based on the principle of electromagnetic induction, the device generates a sinusoidal change in air gap magnetic permeability through the rotor salient pole effect, causing the induced voltage of the output winding to change sinusoidally or cosinely with the mechanical angle. This also increases the heat dissipation effect, making it easier to use.
[0021] Furthermore, a heat dissipation component 24 is positioned at the bottom of the stator assembly 1, and a nut 17 and a bolt 19 are positioned between the first coil frame 2 and the heat dissipation component 24. An installation groove 18 is provided at the outer positioning position of the heat dissipation component 24. A fan 22 is installed inside the heat dissipation component 24 below the heat dissipation hole 15. An air outlet shroud 23 is installed on the fan 22. The fan 22 is connected to the power generation component 20, and an electrical wire 21 is connected between the fan 22 and the power generation component 20.
[0022] Furthermore, the terminal interface 6 is energized through the terminal assembly 7, connecting wire 12, plug 13 and plug 14, and the terminal interface 6 energizes the coil assembly 8, and the rotor assembly 10 rotates inside the coil assembly 8.
[0023] Furthermore, the stator assembly 1 is engaged and fixed to the first coil frame 2, and sealed by the insulating assembly 3.
[0024] Furthermore, the power generation component 20 supplies power to the fan 22 through the electrical wire 21, and the fan 22 blows air outward and outputs it to the heat dissipation hole 15 through the air outlet shroud 23.
[0025] Furthermore, the stator assembly 1 and the heat dissipation assembly 24 are fixed together by nuts 17, mounting slots 18 and bolts 19.
[0026] Working principle: This utility model includes a stator assembly 1, a first coil frame 2, an insulation assembly 3, a heat sink 4, a slot 5, a terminal interface 6, a terminal assembly 7, a coil assembly 8, a second coil frame 9, a rotor assembly 10, a connector 11, a connecting wire 12, a plug 13, a plug 14, a heat dissipation hole 15, a positioning groove 16, a nut 17, a mounting groove 18, a bolt 19, a power generation assembly 20, an electrical wire 21, a fan 22, an air outlet shroud 23, and a heat dissipation assembly 24. Based on the principle of electromagnetic induction, the rotor salient pole effect generates a change in air gap magnetic permeability with a sinusoidal trajectory, causing the induced voltage of the output winding to change sinusoidally or cosinely with the mechanical angle. This also increases the heat dissipation effect, making it easier to use.
[0027] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A reluctance rotary transformer for monitoring new energy power motors, comprising a stator assembly (1) and a rotor assembly (10), characterized in that: An insulating component (3) is installed on the inner wall of the stator assembly (1). A first coil frame (2) is positioned on the inner wall of the insulating component (3). A coil assembly (8) is installed on the inner side of the first coil frame (2). A second coil frame (9) is installed at the end of the coil assembly (8). The rotor assembly (10) is located inside the second coil frame (9). A heat dissipation ring (4) is positioned in the middle of the stator assembly (1). Heat dissipation holes (15) are provided on the heat dissipation ring (4). (1) has a slot (5) on its outer wall, and a positioning slot (16) is provided on the outer ring of the stator assembly (1). The coil assembly (8) is connected to a terminal interface (6), the terminal interface (6) is connected to a terminal assembly (7), the terminal assembly (7) is connected to a connecting wire (12), a connector (11) is connected between the terminal assembly (7) and the connecting wire (12), the connecting wire (12) is connected to a plug (13), and the plug (13) is connected to a plug (14).
2. The reluctance rotary transformer for monitoring new energy power motors according to claim 1, characterized in that: A heat dissipation component (24) is positioned at the bottom of the stator assembly (1). A nut (17) and a bolt (19) are positioned between the first coil frame (2) and the heat dissipation component (24). An installation groove (18) is provided at the outer periphery of the heat dissipation component (24). A fan (22) is installed inside the heat dissipation component (24) below the heat dissipation hole (15). An air outlet cover (23) is installed on the fan (22). The fan (22) is connected to a power generation component (20). An electrical wire (21) is connected between the fan (22) and the power generation component (20).
3. A reluctance rotary transformer for monitoring new energy power motors according to claim 1, characterized in that: The terminal interface (6) is powered through the terminal assembly (7), connecting wire (12), plug (13) and plug (14), and the terminal interface (6) powers the coil assembly (8), and the rotor assembly (10) rotates inside the coil assembly (8).
4. A reluctance rotary transformer for monitoring new energy power motors according to claim 1, characterized in that: The stator assembly (1) is engaged and fixed to the first coil frame (2), and sealed by the insulating assembly (3).
5. A reluctance rotary transformer for monitoring new energy power motors according to claim 2, characterized in that: The power generation component (20) supplies power to the fan (22) through the electrical wire (21), and the fan (22) blows air outward and outputs it to the heat dissipation hole (15) through the air outlet cover (23).
6. A reluctance rotary transformer for monitoring new energy power motors according to claim 2, characterized in that: The stator assembly (1) and the heat dissipation assembly (24) are fixed together by nuts (17), mounting slots (18) and bolts (19).