CN209767244U - Wireless transmission electric energy device and control circuit applying same - Google Patents
Wireless transmission electric energy device and control circuit applying same Download PDFInfo
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- CN209767244U CN209767244U CN201920640410.0U CN201920640410U CN209767244U CN 209767244 U CN209767244 U CN 209767244U CN 201920640410 U CN201920640410 U CN 201920640410U CN 209767244 U CN209767244 U CN 209767244U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 230000008054 signal transmission Effects 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 16
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 7
- 150000003839 salts Chemical class 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of transformers, especially, indicate a wireless transmission electric energy device and use device's control circuit, it includes first rotation unit, mechanical bearing and second rotation unit, first rotation unit rotates with the second rotation unit through mechanical bearing and is connected, the embedded transformer unit that is equipped with of mechanical bearing, the transformer unit includes primary side unit and the secondary side unit that rotates with primary side unit relatively, primary side unit is connected with first rotation unit, the secondary side unit with the second rotation unit is connected; and an optical signal transmission part is arranged in the middle of the transformer unit. The utility model realizes the wireless transmission of electric energy between the first rotating unit and the second rotating unit which rotate relatively, has novel structure and stronger waterproof, dustproof and salt fog-proof capabilities; the communication and the transmission of the feedback signal are realized through the optical signal transmission component.
Description
Technical Field
the utility model belongs to the technical field of the transformer technique and specifically relates to indicate a wireless transmission electric energy device and applied device's control circuit.
Background
Currently, some electric devices are composed of two or more components. There is relative rotation between the parts. There are two common ways of transferring electrical energy between two relatively rotating parts: 1. transmitting through a cable; the method has the disadvantages that a cable winch is required to collect the cable, and the cable can only rotate by a fixed angle due to the length of the cable, so that the cable cannot rotate by any angle. 2. Transmitting through an electric brush; the brush is easy to wear and has poor water-proof, salt-fog-proof and dust-proof capabilities.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wireless transmission electric energy device and a control circuit applying the device aiming at the problems of the prior art, which realizes the wireless transmission of electric energy between a first rotating unit and a second rotating unit which rotate relatively, has novel structure and stronger waterproof, dustproof and salt fog-proof capabilities; the communication and the transmission of the feedback signal are realized through the optical signal transmission component.
In order to solve the technical problem, the utility model discloses a following technical scheme:
The utility model provides a wireless transmission electric energy device, including first rotation unit, mechanical bearing and second rotation unit, first rotation unit rotates with the second rotation unit through mechanical bearing and is connected, mechanical bearing embeds is equipped with the transformer unit, the transformer unit includes primary side unit and the vice limit unit of rotating relatively with primary side unit, primary side unit is connected with first rotation unit, vice limit unit with the second rotation unit is connected; and an optical signal transmission part is arranged in the middle of the transformer unit.
The optical signal transmission component is connected with the primary side unit or the secondary side unit.
The optical signal transmission component is rotatably connected with the primary side unit and the secondary side unit.
The primary unit comprises a primary magnetic core and a primary winding, a primary through hole is formed in the middle of the primary magnetic core, and a primary containing groove used for installing the primary winding is formed in the periphery of the primary through hole.
The secondary side unit comprises a secondary side magnetic core and a secondary side winding, a secondary side through hole is formed in the middle of the secondary side magnetic core, and a secondary side containing groove used for installing the secondary side winding is formed in the periphery of the secondary side through hole.
The optical signal transmission part comprises a shading sleeve, a first light guide part is arranged at the lower end of the shading sleeve in a rotating mode, and a second light guide part is arranged at the upper end of the shading sleeve in a rotating mode.
The lower end and the upper end of the shading sleeve are respectively provided with a first rotating positioning groove for positioning the first light guide piece and a second rotating positioning groove for positioning the second light guide piece.
Wherein the first light guide member and the second light guide member are both optical fibers.
A control circuit comprises an LLC (logical Link control) resonance half-bridge circuit, a PWM (pulse width modulation) control generating circuit, a photoelectric conversion circuit and an electro-optical conversion circuit, wherein the LLC resonance half-bridge circuit comprises a switching tube unit and a wireless transmission electric energy device, the switching tube unit is electrically connected with the PWM control generating circuit, the PWM control generating circuit is electrically connected with the photoelectric conversion circuit, the photoelectric conversion circuit is electrically connected with the electro-optical conversion circuit, the electro-optical conversion circuit is electrically connected with a secondary side unit, and a primary side unit is electrically connected with the switching tube unit.
The utility model has the advantages that:
The utility model discloses under the structure cooperation rotation of first rotation unit, second rotation unit and mechanical bearing, realize the relative rotation of primary side unit and vice limit unit in the transformer unit, produce the voltage or the current input that distinguishes through control circuit to the utility model discloses, realize the wireless transmission of electric energy between relative rotation's first rotation unit and second rotation unit, novel structure because the magnetic circuit magnetic resistance is little, and magnetic field is bound by the magnetic circuit, so can realize more powerful energy transmission by the efficient, transformer unit inlays to be established in mechanical bearing simultaneously, and waterproof, dustproof, the ability of preventing salt fog is stronger; the optical signal transmission component is respectively connected with the primary side unit and the secondary side unit, so that the optical signal transmission component is used for communication and transmitting feedback signals, and the inconvenience of feedback transmission of the traditional cable is overcome.
Drawings
Fig. 1 is a schematic structural diagram of a wireless power transmission device of the present invention.
Fig. 2 is a schematic structural diagram of the transformer unit of the present invention.
Fig. 3 is a schematic structural diagram of the optical signal transmission component of the present invention.
Fig. 4 is a schematic structural diagram of the primary magnetic core of the present invention.
Fig. 5 is a circuit diagram of a control circuit according to the present invention.
The reference numerals in fig. 1 to 5 include:
1-first rotating unit 2-mechanical bearing 3-second rotating unit
4-transformer unit 5-primary unit 6-secondary unit
7-optical signal transmission part 8-primary side magnetic core 9-primary side winding
10-primary side through hole 11-primary side containing groove 12-secondary side magnetic core
13-secondary winding 14-secondary containing groove 15-shading sleeve
16-first light guide 17-second light guide 18-first rotary positioning groove
19-second rotary positioning groove 20-LLC resonance half-bridge circuit 21-PWM control generation circuit
22-photoelectric conversion circuit 23-photoelectric conversion circuit.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
Example 1
A wireless electric energy transmission device is shown in figures 1 to 4 and comprises a first rotating unit 1, a mechanical bearing 2 and a second rotating unit 3, wherein the first rotating unit 1 is rotatably connected with the second rotating unit 3 through the mechanical bearing 2, a transformer unit 4 is embedded in the mechanical bearing 2, the transformer unit 4 comprises a primary side unit 5 and a secondary side unit 6 which rotates relative to the primary side unit 5, the primary side unit 5 is connected with the first rotating unit 1, and the secondary side unit 6 is connected with the second rotating unit 3; the transformer unit 4 is provided at the middle thereof with an optical signal transmission member 7.
Specifically, the utility model discloses under the structure cooperation rotation of first rotation unit 1, second rotation unit 3 and mechanical bearing 2, realize the relative rotation of primary side unit 5 and secondary side unit 6 in transformer unit 4, voltage or the current input that produces the alternation through control circuit to the utility model discloses, realize the wireless transmission of electric energy between relative pivoted first rotation unit 1 and second rotation unit 3, novel structure, because magnetic circuit magnetic resistance is little, magnetic field is bound by the magnetic circuit, so can realize more powerful energy transmission by the efficient, transformer unit 4 inlays to be established in mechanical bearing 2 simultaneously, and waterproof, dustproof, the ability of preventing salt fog are stronger; the optical signal transmission component 7 is respectively connected with the primary side unit 5 and the secondary side unit 6, so that the optical signal transmission component 7 is used for communication and feedback signal transmission, and the inconvenience of traditional cable feedback transmission is overcome.
In the wireless power transmission device according to this embodiment, the optical signal transmission component 7 is connected to the primary side unit 5 or the secondary side unit 6. In addition, in another embodiment, the optical signal transmission part 7 is respectively and rotatably connected with the primary side unit 5 and the secondary side unit 6. Specifically, above-mentioned assurance optical signal transmission part 7 does not influence the relative rotation of former side unit 5 and vice limit unit 6, guarantees the utility model discloses reliability and the stability of work, novel structure.
In the wireless power transmission device of this embodiment, the primary side unit 5 includes a primary side magnetic core 8 and a primary side winding 9, a primary side through hole 10 is formed in the middle of the primary side magnetic core 8, and a primary side accommodating groove 11 for accommodating the primary side winding 9 is formed in the periphery of the primary side through hole 10; the secondary unit 6 comprises a secondary magnetic core 12 and a secondary winding 13, wherein a secondary through hole is formed in the middle of the secondary magnetic core 12, and a secondary accommodating groove 14 for installing the secondary winding 13 is formed in the periphery of the secondary through hole. Specifically, the primary winding 9 is installed through the primary capacitor tank 11, the secondary winding 13 is installed through the secondary capacitor tank 14, accurate assembly is facilitated, the primary magnetic core 8 and the secondary magnetic core 12 are identical in structure, the primary magnetic core 8 and the secondary magnetic core 12 rotate relatively, the primary through hole 10 and the secondary through hole are correspondingly arranged, the primary through hole 10 and the secondary through hole are identical, and accordingly installation of the optical signal transmission part 7 is achieved, and further the primary through hole 10 and the secondary through hole are used for installing a light shielding sleeve 15.
In the wireless power transmission device of this embodiment, the optical signal transmission component 7 includes the light shielding sleeve 15, the lower end of the light shielding sleeve 15 is provided with the first light guide 16 in a rotating manner, and the upper end of the light shielding sleeve 15 is provided with the second light guide 17 in a rotating manner. Specifically, the first light guide member 16 is connected to the primary unit 5, and the second light guide member 17 is connected to the secondary unit 6, so that analog or digital values of communication or feedback between the primary unit 5 and the secondary unit 6 can be modulated to realize multi-mode or single-mode optical communication, and even optical intensity analog signal transmission can be realized therebetween, that is, communication or feedback control between the first rotating unit 1 and the second rotating unit 3 is realized, and the first rotating unit 1 and the second rotating unit 3 can be, but are not limited to, electric units, electric devices, electric equipment and other devices. Further, the light shielding sleeve 15 is made of a cylindrical structure made of a light shielding material, and is used for providing a joint shield between the first light guide member 16 and the second light guide member 17, and providing a supporting point for the first light guide member 16 and the second light guide member 17 to rotate relatively; wherein, the shading sleeve 15 is connected with the primary side unit 5 or the secondary side unit 6; in addition, in another embodiment, the shading sleeve 15 is rotatably connected with the primary side unit 5 and the secondary side unit 6. Specifically, above-mentioned assurance shading sleeve 15 does not influence the relative rotation of former limit unit 5 and vice limit unit 6, guarantees the utility model discloses the reliability and the stability of work, novel structure.
In the wireless power transmission device of this embodiment, the lower end and the upper end of the light shielding sleeve 15 are respectively provided with a first rotating positioning slot 18 for positioning the first light guide 16 and a second rotating positioning slot 19 for positioning the second light guide 17. Specifically, shading sleeve 15 can be but not limited to for the H shape, through first rotation constant head tank 18, the setting of second rotation constant head tank 19, both can fix a position first leaded light spare 16, second leaded light spare 17, also provides the rotation strong point for first leaded light spare 16, second leaded light spare 17, novel structure, practicality, convenient equipment.
In the wireless transmission power device of this embodiment, the first light guide 16 and the second light guide 17 are both but not limited to optical fibers. Specifically, the first light guide 16 and the second light guide 17 may also be made of other light guide materials in the prior art.
Example 2
A control circuit comprises an LLC (liquid level control) resonant half-bridge circuit 20, a PWM (pulse width modulation) control generating circuit 21, a photoelectric conversion circuit 22 and an electro-optical conversion circuit 23, wherein the LLC resonant half-bridge circuit 20 comprises a switching tube unit and the wireless transmission electric energy device in the embodiment 1, the switching tube unit is electrically connected with the PWM control generating circuit 21, the PWM control generating circuit 21 is electrically connected with the photoelectric conversion circuit 22, the photoelectric conversion circuit 22 is electrically connected with the electro-optical conversion circuit 23, the electro-optical conversion circuit 23 is electrically connected with a secondary side unit 6, and a primary side unit 5 is electrically connected with the switching tube unit. Specifically, the LLC resonant half-bridge circuit 20 is a common circuit in the prior art, and the circuit structure is shown in fig. 5, which is not described herein again; the switch tube unit comprises a MOSFET switch tube M1 and a MOSFET switch tube M2, the grid electrode of the MOSFET switch tube M1 and the grid electrode of the MOSFET switch tube M2 are both electrically connected with the PWM control generating circuit 21, when the LLC resonant half-bridge circuit 20 reaches steady-state operation, the output voltage, power or current signal is sampled, converted into an optical signal by an electro-optical conversion circuit 23, then the signal is fed back to the primary unit 5 through the optical signal transmission part 7, the photoelectric conversion circuit 22 of the primary unit 5 is converted into an electric signal, comparing the processed data with preset reference value through decoding, compensation, etc. in the prior art, giving the control variation of PWM, controlling the PWM control generating circuit 21, thereby control MOSFET switch tube M1 and MOSFET switch tube M2 switch on and off, the power signal of switch tube unit passes through the resonant cavity and the utility model discloses a wireless transmission electric energy device exports secondary unit 6 to accomplish the feedback control to secondary unit 6 energy transmission; the PWM control generating circuit 21, the photoelectric conversion circuit 22 and the electro-optical conversion circuit 23 are all in the prior art, and are not described herein again.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (9)
1. A wireless power transmission device, comprising: the transformer unit comprises a primary side unit and a secondary side unit rotating relative to the primary side unit, the primary side unit is connected with the first rotating unit, and the secondary side unit is connected with the second rotating unit; and an optical signal transmission part is arranged in the middle of the transformer unit.
2. A wireless power transfer device of claim 1, wherein: the optical signal transmission component is connected with the primary side unit or the secondary side unit.
3. A wireless power transfer device of claim 1, wherein: the optical signal transmission component is respectively connected with the primary side unit and the secondary side unit in a rotating mode.
4. A wireless power transfer device of claim 1, wherein: the primary side unit comprises a primary side magnetic core and a primary side winding, a primary side through hole is formed in the middle of the primary side magnetic core, and a primary side containing groove used for installing the primary side winding is formed in the periphery of the primary side through hole.
5. A wireless power transfer device of claim 1, wherein: the secondary side unit comprises a secondary side magnetic core and a secondary side winding, a secondary side through hole is formed in the middle of the secondary side magnetic core, and a secondary side containing groove used for installing the secondary side winding is formed in the periphery of the secondary side through hole.
6. A wireless power transfer device of claim 1, wherein: the optical signal transmission part comprises a shading sleeve, a first light guide part is rotatably arranged at the lower end of the shading sleeve, and a second light guide part is rotatably arranged at the upper end of the shading sleeve.
7. The wireless power transmission device of claim 6, wherein: the lower end and the upper end of the shading sleeve are respectively provided with a first rotating positioning groove for positioning the first light guide piece and a second rotating positioning groove for positioning the second light guide piece.
8. The wireless power transmission device of claim 6, wherein: the first light guide member and the second light guide member are both optical fibers.
9. A control circuit, characterized by: the control circuit comprises an LLC (logical Link control) resonant half-bridge circuit, a PWM (pulse-width modulation) control generation circuit, a photoelectric conversion circuit and an electro-optical conversion circuit, wherein the LLC resonant half-bridge circuit comprises a switching tube unit and the wireless transmission electric energy device as claimed in any one of claims 1 to 8, the switching tube unit is electrically connected with the PWM control generation circuit, the PWM control generation circuit is electrically connected with the photoelectric conversion circuit, the photoelectric conversion circuit is electrically connected with the electro-optical conversion circuit, the electro-optical conversion circuit is electrically connected with a secondary side unit, and the primary side unit is electrically connected with the switching tube unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640410.0U CN209767244U (en) | 2019-05-05 | 2019-05-05 | Wireless transmission electric energy device and control circuit applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640410.0U CN209767244U (en) | 2019-05-05 | 2019-05-05 | Wireless transmission electric energy device and control circuit applying same |
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| Publication Number | Publication Date |
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| CN209767244U true CN209767244U (en) | 2019-12-10 |
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| CN201920640410.0U Active CN209767244U (en) | 2019-05-05 | 2019-05-05 | Wireless transmission electric energy device and control circuit applying same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086264A (en) * | 2019-05-05 | 2019-08-02 | 莫夫 | A kind of wirelessly transmitting electrical energy device and the control circuit using the device |
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- 2019-05-05 CN CN201920640410.0U patent/CN209767244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086264A (en) * | 2019-05-05 | 2019-08-02 | 莫夫 | A kind of wirelessly transmitting electrical energy device and the control circuit using the device |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240108 Address after: No.99 Xihu Road, Nancheng District, Dongguan City, Guangdong Province 523000 Patentee after: Mo Fu Patentee after: Guangzhou Changgeng Technology Co.,Ltd. Address before: No.99 Xihu Road, Nancheng District, Dongguan City, Guangdong Province 523000 Patentee before: Mo Fu |