Non-contact power transmission device
The non-contact power transmission system addresses mechanical wear and contamination issues in vacuum environments by using magnetic fields for efficient, flexible, and stable power transfer, reducing maintenance costs and extending component lifespan.
Patent Information
- Application Number
- CN202421988449.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-15
AI Technical Summary
In the prior art, the power transmission device may cause friction, wear and noise due to direct contact between the transmission mechanical components, high energy loss, poor sealing, narrow application range, high cost, and easy to leak in vacuum or high cleanliness environments.
A non-contact power transmission device is adopted where the active magnet and the driven magnet are driven through a magnetic field. The active magnet and the driven magnet are sealed in the housing, and energy transmission is achieved through the linkage of the magnetic field, combining the positioning block and magnetic parts to ensure stable installation and sealing.
It realizes contactless, efficient and accurate energy transfer, reduces energy consumption and maintenance costs, extends service life, improves sealing and working environment stability, and expands the application range.
Smart Images

Figure CN223109882U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power transmission devices, in particular to a non-contact power transmission device. Background Art
[0002] With the development of economy and the progress of technology, vacuum technology, as a technical means to achieve efficient and reliable transmission and control by using a vacuum environment, brings many advantages to mechanical transmission systems. In many high-tech fields such as semiconductor manufacturing, aerospace, materials science, precision instruments, and nuclear energy research, vacuum technology plays a crucial role. It not only provides a necessary process environment for these fields, but also promotes the innovation and development of related equipment, improves production efficiency, and optimizes product quality.
[0003] In the prior art, when driving an actuator in an environment that requires vacuum or high cleanliness, a contact-type power transmission means is usually adopted, that is, a power source is introduced from outside the sealed chamber, and a transmission shaft or other mechanical components penetrate the side wall of the sealed chamber, so as to transmit the power output by the power source from the outside of the sealed chamber to the inside to drive the actuator in the sealed chamber to work. However, in this process, the mechanical components of the transmission will generate friction, wear, and noise problems due to direct contact, which not only increases the energy loss during the transmission process, but also shortens the service life of each mechanical component, increases the maintenance and operation costs, and the contact-type power transmission direction is fixed, with great limitations, low practicability, and narrow application range. At the same time, in a vacuum or high-cleanliness environment, due to the shaft or other mechanical components penetrating the side wall of the sealed chamber, the sealing performance of the sealed chamber is poor, resulting in problems such as gas leakage or intrusion of other impurities, and the purity and stability of the working environment are low. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a non-contact power transmission device to solve the problems in the prior art that the power transmission has friction, wear, and noise due to the direct contact of the mechanical components of the transmission, resulting in energy loss, short equipment life, high cost, great limitations in the power transmission direction, poor flexibility, narrow application range, and poor sealing performance of the actuator.
[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0006] A non-contact power transmission device, comprising:
[0007] A mobile driving device, the mobile driving device includes a first housing, a driving device, and a driving magnet, the driving device and the driving magnet are sealed and installed in the first housing, and the driving magnet is installed on the driving shaft of the driving device;
[0008] An actuator, the actuator comprising a second housing, an actuator and a driven magnet, the actuator and the driven magnet being sealed and installed in the second housing, and the driven magnet being configured to drive the actuator to work;
[0009] The active magnet corresponds to the driven magnet, and the active magnet is configured to be able to cooperate with the driven magnet through its magnetic field to drive the driven magnet to move.
[0010] According to the above technical means, the active magnet and the driven magnet are transmitted through the magnetic field, so as to realize the contactless, efficient and precise energy transmission between the mobile driving device and the actuator. The driving device and the active magnet are sealed in the first shell, which not only avoids the interference of the external environment on the power transmission, but also ensures the continuous and stable output of the driving force. The active magnet is directly and firmly mounted on the driving shaft of the driving device, which provides a medium for power transmission for the contactless transmission of power, and has good stability. The actuator and the driven magnet are sealed in the second shell, which provides a good working environment for the actuator. Under the action of the magnetic field, the active magnet can accurately, efficiently and stably drive the driven magnet, realize the wireless reception and conversion of power, and then drive the actuator to complete various complex tasks. Therefore, the contactless power transmission eliminates the problems of friction, wear, noise and poor sealing in the traditional contact transmission, and improves the overall work efficiency and reliability, reduces the cost, prolongs the service life, and ensures the purity and stability of the working environment. Under the action of the magnetic field linkage, the power transmission direction between the active magnet and the driven magnet can be diversified, with high flexibility and strong practicality, laying a foundation for the development of modern industry.
[0011] Furthermore, a positioning block is provided on the first shell, and a positioning groove is provided on the second shell, and the positioning block is matched with the positioning groove to position and install the mobile driving device on the execution device.
[0012] According to the above-mentioned technical means, by setting a positioning block on the first shell and correspondingly setting a positioning groove on the second shell, precise docking and stable installation of the first shell and the second shell are achieved, which not only simplifies the assembly process between the mobile drive device and the actuator and improves the installation efficiency, but also ensures the stability of the connection and the accuracy of positioning, thereby optimizing the stability and reliability of the overall operation.
[0013] Furthermore, the positioning block is a first magnetic component, and a second magnetic component is provided in the second shell corresponding to the positioning groove, and the first magnetic component is adsorbed to the second magnetic component.
[0014] According to the above technical means, the first magnetic part is used as the positioning block, and the second magnetic part is arranged in the positioning groove of the second housing. Through the magnetic adsorption force between the first magnetic part and the second magnetic part, not only the quick and precise positioning and installation between the mobile driving device and the execution device are realized, but also the firmness and sealing performance of their connection are greatly enhanced, effectively preventing loosening or falling off caused by vibration or external force, and further improving the overall performance and operation safety.
[0015] Further, the actuator is an air pump, and an air inlet hole and an air outlet hole are communicated with the air pump.
[0016] According to the above technical means, with the air pump as the actuator and provided with an air inlet hole and an air outlet hole, under the action of non-contact power transmission between the mobile driving device and the driven magnet, the gas is compressed and released in the air pump, so that the gas is inhaled and discharged through the air inlet hole and the air outlet hole, expanding the application scenarios of this non-contact power transmission device, with a wide range of applications. Moreover, in this application, the form of combining the air pump with non-contact power transmission has good stability, high precision of gas flow, improves the working efficiency of the air pump, and reduces energy consumption and noise, laying a foundation for the development and application of the air pump.
[0017] Further, both the active magnet and the driven magnet are magnets. The active magnet and the driven magnet are located in different planes, and the axis of rotation of the active magnet coincides with the axis of rotation of the driven magnet.
[0018] According to the above technical means, magnets have the advantages of strong magnetism and stability. By using magnets as the active magnet and the driven magnet and arranging them in a distribution manner where they are in different planes and the axes of rotation coincide, efficient and stable non-contact power transmission is achieved. This not only avoids the wear and noise problems brought by traditional contact transmission, but also realizes efficient and stable power transmission through the interaction of magnetic forces. At the same time, the coincidence of the axes of rotation ensures the efficiency, continuity and accuracy of power transmission, reduces energy consumption, has good stability, makes the structure of the entire power transmission system more compact and reliable, and has a wide range of applications.
[0019] Further, both the active magnet and the driven magnet are magnets. The active magnet and the driven magnet are located in the same plane, and the axis of rotation of the active magnet is parallel to the axis of rotation of the driven magnet.
[0020] According to the above technical means, by using magnets as the active magnet and the driven magnet, and arranging them in the same plane with the axis of the rotating shaft parallel to each other, efficient and stable non-contact power transmission is achieved. This not only avoids the wear and noise problems caused by traditional contact transmission, but also realizes efficient and stable power transmission through the interaction of magnetic forces. At the same time, the parallel axis of the rotating shaft ensures the stability, continuity and accuracy of power transmission, with a large coincidence degree and convenient installation, making the structure of the entire power transmission system more compact and reliable, and having a wide range of applications.
[0021] Further, both the active magnet and the driven magnet are magnets. The active magnet and the driven magnet are located in different planes, and the axis of the rotating shaft of the active magnet is perpendicular to the axis of the rotating shaft of the driven magnet.
[0022] According to the above technical means, by using magnets as the active magnet and the driven magnet, and arranging them in different planes with the axis of the rotating shaft perpendicular to each other, efficient and stable non-contact power transmission is achieved. This not only avoids the wear and noise problems caused by traditional contact transmission, but also realizes efficient and stable power transmission through the interaction of magnetic forces. At the same time, the perpendicular axis of the rotating shaft provides more flexibility and freedom for power transmission, ensuring the efficiency, continuity and accuracy of power transmission, making the structure of the entire power transmission system more compact and reliable, and having a wide range of applications.
[0023] Further, the active magnet is an electromagnet, the driven magnet is a magnet, the active magnet and the driven magnet are located in different planes, and the active magnet and the driven magnet are arranged opposite to each other.
[0024] According to the above technical means, by using an electromagnet as the active magnet and a magnet as the driven magnet, and arranging them in different planes with the electromagnet and the magnet arranged opposite to each other, under the action of the controllable magnetism of the electromagnet, efficient and stable non-contact power transmission to the driven magnet is achieved. This not only avoids the wear and noise problems caused by traditional contact transmission, but also improves the efficiency and accuracy of power transmission through the flexible adjustment of electromagnetic force. At the same time, the electromagnet and the magnet are located in different planes and arranged opposite to each other, optimizing the magnetic field distribution and enhancing the transmission effect of magnetic force, ensuring the efficiency, continuity and accuracy of power transmission, making the structure of the entire power transmission system more compact and reliable, and having a wide range of applications.
[0025] Further, the driven magnet can be close to or far away from the active magnet.
[0026] According to the above technical means, by adjusting the distance between the driven magnet and the driving magnet, the magnetic force and interaction between the driven magnet and the driving magnet can be precisely controlled according to requirements, thereby realizing fine-tuning or rapid response of power transmission, improving the flexibility of power transmission, optimizing the efficiency of power transmission, and enhancing adaptability and stability.
[0027] Furthermore, the driven magnet is installed on a vibration device.
[0028] According to the above technical means, the vibration device is connected to an air pump and is used to drive the gas in the air pump to be periodically compressed and released, thereby realizing the continuity of gas inhalation and exhalation, improving the working efficiency of the air pump. By installing the driven magnet on the vibration device, the driving magnet can achieve non-contact power transmission to vibrate the vibration device, so as to realize the continuous inhalation and exhalation of gas in the air pump, increasing the diversity of the relative positions between the driven magnet and the driving magnet, enhancing the flexibility and adaptability of power transmission, and expanding the application scenarios of non-contact power transmission devices.
[0029] The beneficial effects achieved by the present utility model are as follows:
[0030] 1. In the present utility model, the driving magnet and the driven magnet are driven by a magnetic field, realizing non-contact, efficient, and precise energy transfer between the mobile driving device and the executing device, avoiding the problems of contact friction loss and high noise existing in traditional contact power transmission. Moreover, the driving magnet and the driven magnet do not contact each other, with high flexibility, no need for lubricating oil, reducing maintenance costs and extending service life.
[0031] 2. In the present utility model, the driving device and the driving magnet are sealed in the first housing, which not only avoids interference from the external environment to power transmission but also ensures continuous and stable output of driving force. Moreover, the driving magnet is directly and firmly installed on the driving shaft of the driving device, providing a medium for non-contact power transmission, with good stability. The actuator and the driven magnet are sealed in the second housing, providing a good working environment for the actuator. Under the action of the magnetic field, the driving magnet can accurately, efficiently, and stably drive the driven magnet, realizing wireless reception and conversion of power and then driving the actuator to complete various complex tasks, with good sealing, low noise, improving the overall working efficiency and reliability, reducing costs, extending service life, and ensuring the purity and stability of the working environment.
[0032] 3. In the present utility model, under the action of magnetic field linkage, the power transmission direction between the driving magnet and the driven magnet can be diversified, with high flexibility and strong practicability, laying a foundation for the development of modern industry. Description of the Drawings
[0033] Figure 1This is a schematic structural diagram of the whole utility model;
[0034] Figure 2 This is a schematic structural diagram of the utility model where the active magnet is an electromagnet and the passive magnet is a permanent magnet;
[0035] Figure 3 This is a schematic structural diagram of the utility model where the axis of rotation of the active magnet and the passive magnet are parallel;
[0036] Figure 4 This is a schematic structural diagram of the utility model where the axis of rotation of the active magnet and the passive magnet are perpendicular.
[0037] Among them, 1 - mobile driving device; 11 - first housing; 12 - driving device; 13 - active magnet; 14 - positioning block; 2 - execution device; 21 - second housing; 22 - actuator; 23 - passive magnet; 24 - positioning groove; 25 - second magnetic member; 26 - air inlet hole; 27 - air outlet hole.
[0038] The drawings are only for illustrative purposes and should not be construed as limiting the patent; for better illustration of the utility model, some components in the drawings may be omitted, enlarged or reduced, and do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted; the same or similar reference numerals correspond to the same or similar components; the terms describing the positional relationship in the drawings are only for illustrative purposes and should not be construed as limiting the patent. Detailed implementation manners
[0039] The following will illustrate the implementation manners of the present utility model with reference to the drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation manners, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model. It should be understood that the preferred embodiments are only for illustrating the present utility model and not for limiting the protection scope of the present utility model.
[0040] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present utility model in a schematic manner. Therefore, only the components related to the present utility model are shown in the diagrams, rather than being drawn according to the number, shape and size of the components in actual implementation. The type, quantity and proportion of each component in actual implementation can be arbitrarily changed, and the layout type of its components may also be more complex.
[0041] In the embodiments of the present application, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium.
[0042] In the embodiments of the present application, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0043] The technical solution of the present utility model is described in detail below in conjunction with the specific drawings.
[0044] This embodiment relates to a non-contact power transmission device, such as Figure 1 As shown, it includes: a mobile driving device 1, the mobile driving device 1 includes a first shell 11, a driving device 12 and an active magnet 13, the driving device 12 and the active magnet 13 are sealed and installed in the first shell 11, and the active magnet 13 is installed on the driving shaft of the driving device 12; an actuator 2, the actuator includes a second shell 21, an actuator 22 and a driven magnet 23, the actuator 22 and the driven magnet 23 are sealed and installed in the second shell 21, and the driven magnet 23 is configured to be able to drive the actuator 22 to work; the active magnet 13 corresponds to the driven magnet 23, and the active magnet 13 is configured to be able to interact with the driven magnet 23 through its magnetic field to drive the driven magnet 23 to move.
[0045] This embodiment realizes contactless, efficient and precise energy transmission between the mobile drive device 1 and the actuator 2 through magnetic field transmission between the active magnet 13 and the driven magnet 23, avoiding the problems of friction, wear, noise, lubrication requirements and the like caused by direct contact between the transmission parts in the traditional contact power transmission, reducing maintenance costs and energy consumption, and extending service life;
[0046] Specifically, during installation, the driving device 12 and the active magnet 13 are hermetically installed in the first housing 11 to avoid interference from external environmental factors on power transmission, ensure continuous and stable output of power, and also protect the driving device 12 and the active magnet 13 from being damaged by water, gas or other factors, extending the service life. Moreover, the active magnet 13 is directly and firmly installed on the drive shaft of the driving device 12, with good stability. At the same time, the actuator 22 and the driven magnet 23 are hermetically installed in the second housing 21, providing a good sealed working environment for the actuator 22, having a wide application range, and being able to prevent the actuator 22 and the driven magnet 23 from being damaged by water, gas or other factors, extending the service life. Then, the first housing 11 is connected to the second housing 21, enabling the active magnet 13 to drive the driven magnet 23 through magnetic field transmission. As a preferred embodiment, during installation, the driven magnet 23 can be close to or away from the active magnet 13. By adjusting the distance between the driven magnet 23 and the active magnet 13, the magnetic force and interaction between the driven magnet 23 and the active magnet 13 can be precisely controlled according to requirements, thereby achieving fine-tuning or rapid response of power transmission, improving the flexibility of power transmission, optimizing the efficiency of power transmission, and enhancing adaptability and stability.
[0047] During operation, the driving device 12 is started to drive the active magnet 13 to act, generating a changing magnetic field. Under the drive of the magnetic force, the driven magnet 23 is driven to act, thereby driving the actuator 22 to work, which is efficient, safe and environmentally friendly. Among them, the driving device 12 can be a motor, and the actuator 22 can be an air pump. An air inlet hole 26 and an air outlet hole 27 are connected to the air pump. An airbag structure and a butterfly valve are installed in the air pump. The action of the butterfly valve can compress or release the gas in the airbag structure, so as to realize the inhalation and discharge of gas through the air inlet hole and the air outlet hole. During operation, the butterfly valve is connected to the driven magnet 23, and the motor drives the active magnet 13 to drive the driven magnet 23, thereby driving the butterfly valve to act to compress or release the airbag structure, realizing the function of inhalation and discharge of gas in the air pump. And those skilled in the art can understand that, in order to improve the working efficiency of the air pump, a vibration device can be installed on the butterfly valve. During operation, the driven magnet 23 is connected to the vibration device, and the motor drives the active magnet 13 to drive the driven magnet 23, thereby driving the vibration device to drive the butterfly valve to act to periodically compress or release the airbag structure, realizing the continuous inhalation and discharge function of gas in the air pump.
[0048] In this embodiment, a positioning block 14 is provided on the first housing 11, and a positioning groove 24 is provided on the second housing 21. The positioning block 14 is adapted to the positioning groove 24 to position and install the mobile driving device 1 on the executing device 2; as Figure 1As shown, when installing the mobile drive device 1 onto the actuating device 2, first align the positioning block 14 on the first housing 11 and insert it into the positioning groove 24 on the second housing 21. Through the precise fit between the positioning block 14 and the positioning groove 24, it is ensured that the mobile drive device 1 can be accurately and firmly positioned on the actuating device 2. The structure is simple, the installation is convenient, the installation efficiency is high, the stability is good, and the overall performance and reliability are improved.
[0049] As a preferred embodiment, the positioning block 14 is a first magnetic member, and a second magnetic member 25 is provided in the corresponding positioning groove 24 on the second housing 21. The first magnetic member and the second magnetic member 25 are adsorbed to each other; as Figure 1 shown, during installation, through the magnetic adsorption force between the first magnetic member and the second magnetic member 25, not only is the quick and precise positioning installation between the mobile drive device 1 and the actuating device 2 realized, but also the connection firmness and sealing performance are greatly enhanced, effectively preventing loosening or falling off caused by vibration or external force, and further improving the overall performance and operation safety.
[0050] As Figure 1 shown, as a preferred embodiment, both the active magnet 13 and the driven magnet 23 are magnets. The active magnet 13 and the driven magnet 23 are located in different planes, and the axis of rotation of the active magnet 13 coincides with the axis of rotation of the driven magnet 23; using magnets as the active magnet 13 and the driven magnet 23, during operation, according to the installation requirements, the two axes of rotation coincide. The motor drives the active magnet 13 to rotate, and the generated magnetic field change will act on the driven magnet 23, ensuring the linearity and efficiency of magnetic force transmission. Not only is the frictionless transmission of power realized, reducing energy loss and wear, but also the response speed and operation accuracy are improved.
[0051] As Figure 3 shown, as a preferred embodiment, both the active magnet 13 and the driven magnet 23 are magnets. The active magnet 13 and the driven magnet 23 are located in the same plane, and the axis of rotation of the active magnet 13 is parallel to the axis of rotation of the driven magnet 23; using magnets as the active magnet 13 and the driven magnet 23, during operation, according to the installation requirements, the two axes of rotation are parallel. The motor drives the active magnet 13 to rotate, and the generated magnetic field change will act on the driven magnet 23, driving the driven magnet 23 to rotate at the same angular velocity or in a specific ratio. Not only is the frictionless transmission of power realized, reducing energy loss and wear, but also the response speed and operation accuracy are improved.
[0052] As Figure 4As shown, as a preferred embodiment, both the active magnet 13 and the driven magnet 23 are magnets. The active magnet 13 and the driven magnet 23 are located in different planes, and the axis of rotation of the active magnet 13 is perpendicular to the axis of rotation of the driven magnet 23. Using magnets as the active magnet 13 and the driven magnet 23, during operation, according to the installation requirements, the two axes of rotation are perpendicular. The motor drives the active magnet 13 to rotate, and the resulting magnetic field change will act on the driven magnet 23, not only achieving frictionless power transmission, reducing energy loss and wear, but also improving the response speed and operation accuracy, with a compact structure and high practicality.
[0053] As Figure 2 As shown, as a preferred embodiment, the active magnet 13 is an electromagnet and the driven magnet 23 is a magnet. The active magnet 13 and the driven magnet 23 are located in different planes, and the active magnet 13 and the driven magnet 23 are arranged opposite to each other. Using an electromagnet as the active magnet 13 and a magnet as the driven magnet 23, during operation, the active magnet 13 and the driven magnet 23 are arranged opposite to each other. The driving device 12 is started, and after the electromagnet is energized, a magnetic field is generated and interacts with the magnet. When the current direction of the active magnet 13 changes, the polarity of the generated magnetic field also changes accordingly, thereby attracting or repelling the driven magnet 23 and driving it to move or rotate. This not only achieves frictionless power transmission, reduces energy loss and wear, but also improves the response speed and operation accuracy, with a compact structure and high practicality.
[0054] The serial numbers of the embodiments of the present application above are only for description and do not represent the advantages or disadvantages of the embodiments. The above are only the preferred embodiments of the present application, and do not limit the patent scope of the present application accordingly. Any equivalent structural or equivalent process transformation made using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present application.
Claims
1. A non-contact power transmission device, characterized in that Comprising: A mobile driving device (1), the mobile driving device (1) comprising a first housing (11), a driving device (12) and an active magnet (13), the driving device (12) and the active magnet (13) being hermetically installed in the first housing (11), and the active magnet (13) being installed on the drive shaft of the driving device (12); An actuating device (2), the actuating device comprising a second housing (21), an actuator (22) and a driven magnet (23), the actuator (22) and the driven magnet (23) being hermetically installed in the second housing (21), and the driven magnet (23) being configured to be able to drive the actuator (22) to work; The active magnet (13) corresponds to the driven magnet (23), and the active magnet (13) is configured to be able to be linked with the driven magnet (23) through its magnetic field to drive the driven magnet (23) to act.
2. The non-contact power transmission device according to claim 1, wherein, A positioning block (14) is provided on the first housing (11), and a positioning groove (24) is provided on the second housing (21), and the positioning block (14) is adapted to the positioning groove (24) to positionally install the mobile driving device (1) on the actuating device (2).
3. The non-contact power transmission device according to claim 2, characterized in that, The positioning block (14) is a first magnetic member, and a second magnetic member (25) is provided in the positioning groove (24) corresponding to the second housing (21), and the first magnetic member is adsorbed to the second magnetic member (25).
4. The non-contact power transmission device according to any one of claims 1 to 3, characterized in that, The actuator (22) is an air pump, and an air inlet hole (26) and an air outlet hole (27) are communicated with the air pump.
5. The non-contact power transmission device according to claim 1, wherein Both the active magnet (13) and the driven magnet (23) are magnets, the active magnet (13) and the driven magnet (23) are located in different planes, and the axis of rotation of the active magnet (13) coincides with the axis of rotation of the driven magnet (23).
6. The non-contact power transmission device according to claim 1, wherein, Both the active magnet (13) and the driven magnet (23) are magnets, the active magnet (13) and the driven magnet (23) are located in the same plane, and the axis of rotation of the active magnet (13) is parallel to the axis of rotation of the driven magnet (23).
7. The non-contact power transmission device according to claim 1, wherein Both the active magnet (13) and the driven magnet (23) are magnets, the active magnet (13) and the driven magnet (23) are located in different planes, and the axis of rotation of the active magnet (13) is perpendicular to the axis of rotation of the driven magnet (23).
8. The non-contact power transmission device according to claim 1, wherein The active magnet (13) is an electromagnet, the driven magnet (23) is a magnet, the active magnet (13) and the driven magnet (23) are located in different planes, and the active magnet (13) is disposed opposite to the driven magnet (23).
9. The non-contact power transmission device according to claim 8, characterized in that, The driven magnet (23) can approach or move away from the active magnet (13).
10. The non-contact power transmission device according to claim 9, characterized in that, The driven magnet (23) is installed on a vibration device.