CN210436180U - Linear magnetic suspension motor shaver control circuit - Google Patents
Linear magnetic suspension motor shaver control circuit Download PDFInfo
- Publication number
- CN210436180U CN210436180U CN201920516366.2U CN201920516366U CN210436180U CN 210436180 U CN210436180 U CN 210436180U CN 201920516366 U CN201920516366 U CN 201920516366U CN 210436180 U CN210436180 U CN 210436180U
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- Prior art keywords
- motor
- control circuit
- linear magnetic
- circuit
- module
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- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 238000005339 levitation Methods 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 1
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
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Abstract
The utility model relates to a linear magnetic suspension motor shaver control circuit, which at least comprises an MCU control module, a motor driving module and a power module; the motor driving module comprises a motor driving control circuit and a linear magnetic suspension motor; the power module and the MCU control module are respectively electrically connected with the motor drive control circuit, and the linear magnetic suspension motor is electrically connected with the motor drive control circuit. The utility model can drive the linear magnetic suspension motor stably, and simultaneously, the motor driving module has the protection of safety performances such as overcurrent and overheating; the charging power of 10W at most can be provided for the battery, and the charging time of the battery is greatly shortened; the power supply module at the rear end can be subjected to high-voltage protection and surge voltage protection.
Description
Technical Field
The utility model relates to a razor technical field, concretely relates to linear magnetic suspension motor razor control circuit.
Background
At present, a linear magnetic suspension motor shaver adopting a rechargeable power supply is more and more popular, but the traditional linear magnetic suspension motor shaver does not have high protection degree on a linear magnetic suspension motor, so that the linear magnetic suspension motor and/or a linear magnetic suspension motor driving module are damaged due to overcurrent and overheating during charging.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the present invention is to provide a linear magnetic suspension motor razor control circuit, which can stably drive a linear magnetic suspension motor, and also can protect the motor driving module from overcurrent, overheat, and other safety performances.
The utility model discloses the detailed technical scheme who takes does: the linear magnetic suspension motor shaver control circuit at least comprises an MCU control module, a motor driving module and a power supply module; the motor driving module comprises a motor driving control circuit and a linear magnetic suspension motor; the power module and the MCU control module are respectively electrically connected with the motor drive control circuit, and the linear magnetic suspension motor is electrically connected with the motor drive control circuit.
Preferably, the motor drive control circuit comprises a DRV8833 motor driver.
Further, the power module comprises a charging circuit and a battery protection circuit; the battery protection circuit is electrically connected with the charging circuit and comprises a battery.
Preferably, the battery is a lithium battery, and the charging circuit comprises a TP5100 charging chip.
The charging power of 10W at most can be provided for the battery, and the charging time of the battery is greatly shortened; the charging circuit can automatically adjust the charging current according to the voltage of the battery, realize safe and stable charging of the battery, and greatly improve the service life and the performance of the battery.
Preferably, the battery protection circuit comprises a DW06 lithium battery protection chip.
The battery can be subjected to overcharge, overdischarge, overcurrent and short-circuit protection, the safety performance of the lithium battery is reliably and effectively guaranteed, and the power supply safety of a linear magnetic suspension motor shaver control circuit can be greatly improved.
Furthermore, the power module further comprises a charging input protection circuit and a charging input end, and the charging input end and the charging input protection circuit are sequentially connected with the charging circuit in series.
The power supply module at the rear end can be subjected to high-voltage protection and surge voltage protection.
Preferably, the MCU control module comprises an SN8F5702 single chip microcomputer.
Preferably, the charging input end is a type-C interface or a Micro-USB interface.
Furthermore, the MCU control module also comprises an online programming interface circuit electrically connected with the MCU control module.
So as to write a program into the MCU control module.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the linear magnetic suspension motor can be stably driven, and meanwhile, the motor driving module is protected by safety performances such as overcurrent and overheating;
(2) the charging power of 10W at most can be provided for the battery, and the charging time of the battery is greatly shortened;
(3) the power supply module at the rear end can be subjected to high-voltage protection and surge voltage protection.
Drawings
Fig. 1 is an electrical schematic diagram of a linear magnetic levitation motor shaver control circuit in accordance with the present invention.
Fig. 2 is an electrical schematic diagram of the motor drive module 2.
Fig. 3 is an electrical schematic diagram of the power module 3.
Fig. 4 is a circuit diagram of the MCU control module 1.
Fig. 5 is a circuit diagram of the in-line programming interface circuit 11.
Fig. 6 is a circuit diagram of the motor drive control circuit 21.
Fig. 7 is a circuit diagram of the linear magnetic levitation motor 22.
Fig. 8 is a circuit diagram of the charging circuit 31.
Fig. 9 is a circuit diagram of the battery protection circuit 32.
Fig. 10 is a circuit diagram of the charging input protection circuit 33.
Fig. 11 is a circuit diagram of the charging input terminal 34.
Fig. 12 is a circuit diagram of the key module 4.
Fig. 13 is a circuit diagram of the indicator light module 5.
An MCU control module 1; an online programming interface circuit 11; a motor drive module 2; a motor drive control circuit 21; a linear magnetic levitation motor 22; a power supply module 3; a charging circuit 31; a battery protection circuit 32; a battery 321; a charging input protection circuit 33; a charging input 34; a key module 4; and an indicator light module 5.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings of the present invention.
The utility model discloses a linear magnetic suspension motor razor control circuit, it includes MCU control module 1, motor drive module 2 and power module 3 at least. Generally, the MCU control module 1 includes an SN8F5702 single chip microcomputer.
The motor drive module 2 includes a motor drive control circuit 21 and a linear magnetic levitation motor 22. The linear magnetic levitation motor 22 is a linear vibration motor having two power output terminals that linearly reciprocate in opposite directions all the time.
The power module 3 and the MCU control module 1 are electrically connected to the motor driving control circuit 21, and the linear magnetic levitation motor 22 is electrically connected to the motor driving control circuit 21.
The linear magnetic suspension motor 22 can be stably driven, and meanwhile, the motor driving module 2 has protection of safety performance such as overcurrent and overheating.
Preferably, the motor drive control circuit 21 includes a DRV8833 motor driver.
Further, the power supply module 3 includes a charging circuit 31 and a battery protection circuit 32; the battery protection circuit 32 is electrically connected to the charging circuit 31, and the battery protection circuit 32 includes a battery 321. The battery 321 is a conventional battery such as a nickel metal hydride battery, a dry cell battery, etc., and may be other types of batteries.
Preferably, the battery 321 is a lithium battery, and the charging circuit 31 includes a TP5100 charging chip. The charging power of 10W at the maximum can be supplied to the battery 321, and the charging time of the battery 321 is greatly shortened. In addition, the charging circuit 31 can automatically adjust the charging current (usually 0.1-2A) according to the voltage of the battery 321, thereby safely and stably charging the battery 321 and greatly improving the service life and performance of the battery 321.
Further, the battery protection circuit 32 includes a DW06 lithium battery protection chip. The overcharge, overdischarge, overcurrent and short-circuit protection can be performed on the battery 321, and the safety performance of the lithium battery 321 is reliably and effectively guaranteed. Meanwhile, the power supply safety of the linear magnetic suspension motor shaver control circuit can be greatly improved.
Further, the power module 3 further includes a charging input protection circuit 33 and a charging input end 34, and the charging input end 34 and the charging input protection circuit 33 are sequentially connected in series with the charging circuit 31.
The power module 3 at the rear end can be protected by high voltage, so that the power module 3 at the rear end is prevented from being damaged by high voltage; that is, when the voltage input from the charging input terminal 34 exceeds the set threshold value, the charging input protection circuit 33 may completely disconnect the input of the voltage of the charging input terminal 34, and stop supplying power to the power module 3 at the rear end.
Surge voltage protection can be performed on the power module 3 at the rear end, so that the power module 3 at the rear end is prevented from being damaged by the surge voltage; that is, when the charging input terminal 34 inputs the instantaneous high voltage, the charging input protection circuit 33 may clamp the instantaneous high voltage to a safe voltage value [ typically within 4.2V ].
Typically, the charging input 34 is a type-C interface, and may also be a Micro-USB interface.
Typically, the MCU control module 1 further comprises an online programming interface circuit 11 electrically connected to the MCU control module 1. So as to write a program to the MCU control module 1.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (8)
1. The linear magnetic suspension motor shaver control circuit at least comprises an MCU control module (1), a motor driving module (2) and a power supply module (3);
the method is characterized in that: the motor driving module (2) comprises a motor driving control circuit (21) and a linear magnetic suspension motor (22); the power module (3) and the MCU control module (1) are respectively electrically connected with the motor drive control circuit (21), and the linear magnetic suspension motor (22) is electrically connected with the motor drive control circuit (21); the motor drive control circuit (21) includes a DRV8833 motor driver.
2. A linear magnetic levitation motor razor control circuit as recited in claim 1 wherein: the power supply module (3) comprises a charging circuit (31) and a battery protection circuit (32); the battery protection circuit (32) is electrically connected with the charging circuit (31), and the battery protection circuit (32) comprises a battery (321).
3. A linear magnetic levitation motor shaver control circuit as recited in claim 2 wherein: the battery (321) is a lithium battery, and the charging circuit (31) comprises a TP5100 charging chip.
4. A linear magnetic levitation motor razor control circuit as recited in claim 3 wherein: the battery protection circuit (32) comprises a DW06 lithium battery protection chip.
5. The linear magnetic levitation motor razor control circuit of claim 4, wherein: the power module (3) further comprises a charging input protection circuit (33) and a charging input end (34), wherein the charging input end (34) and the charging input protection circuit (33) are sequentially connected with the charging circuit (31) in series.
6. Linear magnetic levitation motor razor control circuit according to any of claims 1-5, wherein: the MCU control module (1) comprises an SN8F5702 single chip microcomputer.
7. The linear magnetic levitation motor razor control circuit of claim 5, wherein: the charging input end (34) is a type-C interface or a Micro-USB interface.
8. Linear magnetic levitation motor razor control circuit according to any of claims 1-5, wherein: the MCU control module (1) further comprises an online programming interface circuit (11) electrically connected with the MCU control module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516366.2U CN210436180U (en) | 2019-04-17 | 2019-04-17 | Linear magnetic suspension motor shaver control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516366.2U CN210436180U (en) | 2019-04-17 | 2019-04-17 | Linear magnetic suspension motor shaver control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210436180U true CN210436180U (en) | 2020-05-01 |
Family
ID=70400998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920516366.2U Active CN210436180U (en) | 2019-04-17 | 2019-04-17 | Linear magnetic suspension motor shaver control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210436180U (en) |
-
2019
- 2019-04-17 CN CN201920516366.2U patent/CN210436180U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226001 Building 8, Huahui Zhigu Science Industrial Park, No. 17, Huayuan Road, Guanyinshan Street, Chongchuan District, Nantong, Jiangsu Province Patentee after: Xumei Intelligent Technology (Jiangsu) Co.,Ltd. Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: Room 1118, building C02, venture headquarters base, North Fuyuan Road, Wuqing Development Zone, Wuqing District, Tianjin Patentee before: TIANJIN XUMEI TECHNOLOGY CO.,LTD. Patentee before: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240314 Granted publication date: 20200501 |
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| PP01 | Preservation of patent right |