CN210046692U - Card type razor control circuit - Google Patents
Card type razor control circuit Download PDFInfo
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- CN210046692U CN210046692U CN201920496645.7U CN201920496645U CN210046692U CN 210046692 U CN210046692 U CN 210046692U CN 201920496645 U CN201920496645 U CN 201920496645U CN 210046692 U CN210046692 U CN 210046692U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a card type shaver control circuit and a card type shaver; the utility model discloses a card formula razor control circuit, including MCU control module, motor drive module, power module and button module; the motor driving module is connected with the MCU control module; the key module is connected with the MCU control module; the power supply module comprises a charging circuit, a lithium battery and a charging input end; the charging input end is connected with a charging circuit, and the charging circuit is connected with the lithium battery; the MCU control module, the motor driving module and the key module are all connected with the charging circuit; the card type shaver control circuit of the utility model is convenient for the on-line programming and program debugging of the MCU control module; the damage of a rear-stage circuit due to high voltage and/or surge voltage can be prevented; the lithium battery can be charged by adopting two modes of Type-C wired charging and wireless charging; the joint of Type-C charging wire is just inserting, is inserting the all can connect Type-C interface backward, and is more convenient.
Description
Technical Field
The utility model relates to a card formula razor control circuit and card formula razor.
Background
The shaver is a necessary daily necessity for men, and for men who frequently go on a business trip or go out, a card type shaver with a thinner body (generally about 12mm or even lower thickness) is a more suitable choice.
In order to improve portability of the card shaver, the card shaver is usually built in with a secondary battery such as a lithium battery. Therefore, the card type shaver control circuit needs to control the operation of the card type shaver, and also needs to control and protect the charging of a secondary battery such as a lithium battery built in the card type shaver.
In addition, card shavers are often placed in home cars for use. If the card type shaver has a wireless charging function, the card type shaver can be charged with great convenience by matching with a wireless charger placed on a vehicle.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a card type shaver control circuit, which can simply and conveniently control a card type shaver as required.
The utility model discloses the detailed technical scheme who takes does: the card type shaver control circuit comprises an MCU control module, a motor driving module, a power supply module and a key module; the motor driving module is connected with the MCU control module; the key module is connected with the MCU control module; the power supply module comprises a charging circuit, a lithium battery and a charging input end; the charging input end is connected with a charging circuit, and the charging circuit is connected with the lithium battery; the MCU control module, the motor driving module and the key module are all connected with the charging circuit.
As an implementation mode, the MCU control module comprises an SN8F5702 single chip microcomputer.
Furthermore, the MCU control module also comprises an online programming interface circuit, the MCU control module is connected with the online programming interface circuit, and the online programming interface circuit is connected with the power module.
The MCU control module can be conveniently subjected to on-line programming and program debugging.
Preferably, the charging circuit comprises a ME4055AM6G charging IC.
The lithium battery can be rapidly charged, and the charging time of the lithium battery can be controlled within 1 h.
Furthermore, the power supply module also comprises a charging protection circuit; the charging input end is connected with the charging protection circuit, and the charging protection circuit is connected with the charging circuit.
The rear stage circuit can be prevented from being damaged by high voltage and/or surge voltage.
As an embodiment, the charging input terminal includes a Type-C interface and a wireless charging circuit; the Type-C interface is connected with the wireless charging circuit in parallel.
The lithium battery can be charged by adopting two modes of Type-C wired charging and wireless charging; in addition, when the connector of Type-C charging wire inserted the Type-C interface, the connector of Type-C charging wire was just inserting, was inserting backward all can connect the Type-C interface, and it is more convenient.
As an embodiment, the charging input terminal includes a Type-C interface or a wireless charging circuit.
Preferably, the wireless charging circuit includes a coil circuit and a receiving circuit, and the coil circuit is connected to the receiving circuit.
Preferably, the receiving circuit comprises a BQ51013B chip.
The lithium battery can be charged quickly, and the charging safety can be guaranteed to the maximum extent.
The card type shaver adopts the card type shaver control circuit and also comprises a shaver main body; the shaver body is provided with a shaver plane, and the coils of the coil circuit are parallel to the shaver plane.
So as to ensure the electric energy conversion rate of wireless charging as much as possible.
Compared with the prior art, the utility model discloses following beneficial effect has: 1. the MCU control module can be conveniently subjected to on-line programming and program debugging; 2. the damage of a rear-stage circuit due to high voltage and/or surge voltage can be prevented; 3. the lithium battery can be charged by adopting two modes of Type-C wired charging and wireless charging; in addition, when the connector of Type-C charging wire inserted the Type-C interface, the connector of Type-C charging wire was just inserting, was inserting backward all can connect the Type-C interface, and it is more convenient.
Drawings
Fig. 1 is an electrical schematic diagram of a card razor control circuit of the present invention.
Fig. 2 is a circuit diagram of the MCU control module.
FIG. 3 is a circuit diagram of an in-line programming interface circuit.
Fig. 4 is a circuit diagram of the motor drive module.
Fig. 5 is a circuit diagram of the key module.
Fig. 6 is a circuit diagram of an indicator light module.
Fig. 7 is an electrical schematic of the power module.
Fig. 8 is a circuit diagram of the charging circuit.
Fig. 9 is a circuit diagram of a lithium battery.
Fig. 10 is a circuit diagram of the charge protection circuit.
FIG. 11 is a circuit diagram of a Type-C interface.
Fig. 12 is a circuit diagram of a wireless charging circuit.
Fig. 13 is a perspective view of the shaver body.
An MCU control module 1; an online programming interface circuit 11; a motor drive module 2; a power supply module 3; a charging circuit 31; a lithium battery 32; a charge protection circuit 33; a charging input 34; Type-C interface 341; a wireless charging circuit 342; a coil circuit 3421; a reception circuit 3422; a key module 4; an indicator light module 5; a shaver main body 9; a razor flat surface 91.
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 card formula razor control circuit, it includes MCU control module 1, motor drive module 2, power module 3 and button module 4.
The MOTOR driving module 2 (MOTOR) is connected with the MCU control module 1 (MOTOR); the KEY module 4 [ KEY ] is connected with the MCU control module 1 [ KEY ].
The power module 3 comprises a charging circuit 31, a lithium battery 32 and a charging input 34.
The charging input end 34 is connected with a charging circuit 31, and the charging circuit 31 (BV +) is connected with a lithium battery 32 (BV +).
The MCU control module 1 (BV +, the motor driving module 2 (BV +) and the key module 4 (BV +) are all connected with the charging circuit 31.
As a preferred embodiment, the MCU control module 1 includes an SN8F5702 single chip microcomputer, and of course, the MCU control module 1 may also include single chip microcomputers of other models.
Further, the MCU control module 1 further includes an online programming interface circuit 11, the MCU control module 1 [ SWAT ] is connected to the online programming interface circuit 11 [ SWAT ], and the online programming interface circuit 11 [ BV ] is connected to the power module 3 [ BV +. The MCU control module 1 can be programmed and debugged on line.
As an embodiment, the charging circuit 31 includes a ME4055AM6G charging IC, but may also include other types of charging ICs. So as to realize the quick charge of the lithium battery 32, and the charge time of the lithium battery 32 can be controlled within 1 h.
The utility model discloses a card formula razor control circuit's theory of operation does: normally, the switch (S1) of the key module 4 is in the off state.
When the card type shaver needs to be used for shaving, the shaver bounces after a key is pressed down, the switch (S1) of the key module 4 is connected and then disconnected, the key module 4 sends a signal to the MCU control module 1, the output end (MOTOR) of the MCU control module 1 sends a signal, the MOTOR (M1) of the MOTOR driving module 2 operates, the MOTOR transmits power generated by the MOTOR to the cutter head assembly through the MOTOR output end, and a driver in the cutter head assembly drives the cutter to move. The beard is attached to the outer cutter mesh, and the beard penetrates through the holes in the outer cutter mesh to be cut by the cutter, so that the shaving function is realized.
When shaving needs to be stopped, the razor bounces after the key is pressed again, the switch (S1) of the key module 4 is connected and then disconnected, the key module 4 sends a signal to the MCU control module 1, and the output end (MOTOR) of the MCU control module 1 sends a signal to stop the MOTOR (M1) of the MOTOR driving module 2.
Further, the power module 3 further includes a charge protection circuit 33; the charging input terminal 34 (plus 5V) is connected to the charging protection circuit 33 (plus 5V), and the charging protection circuit 33 (VCC) is connected to the charging circuit 31 (VCC). Whether the output voltage (plus 5V) of the charging input end 34 is higher than a threshold value (preset voltage value) or not can be automatically judged; when the voltage (plus 5V) input to the charging protection circuit 33 exceeds the set threshold value, the charging protection circuit 33 completely cuts off the input of the voltage (plus 5V) of the charging input terminal 34 and stops supplying power (VCC stops supplying power), so as to prevent the later-stage circuit (i.e., the MCU control module 1, the motor driving module 2, the charging circuit 31, the lithium battery 32, the key module 4, and the indicator light module 5) from being damaged by high voltage. In addition, the charging protection circuit 33 also has a surge voltage protection function, when the output voltage (plus 5V) of the charging input terminal 34 generates an instantaneous high voltage, the charging protection circuit 33 can clamp the instantaneous high voltage at a safer voltage value (about 5V), and the rear-stage circuit (namely, the MCU control module 1, the motor driving module 2, the charging circuit 31, the lithium battery 32, the key module 4, and the indicator light module 5) is effectively protected from being damaged by the surge voltage.
Preferably, the charging input 34 includes a Type-C interface 341 and a wireless charging circuit 342; the Type-C interface 341 (+ 5V) is connected in parallel with the wireless charging circuit 342 (+ 5V). The card Type shaver control circuit of the utility model can adopt two modes of Type-C wired charging and wireless charging (needing to be matched with a conventional wireless charger, the attached drawing of the wireless charger is not shown) to charge the lithium battery; in addition, when the connector of Type-C charging wire inserted Type-C interface 341, the connector of Type-C charging wire was just inserting, was inserting backward all can connect Type-C interface 341, and it is more convenient.
Preferably, the charging input 34 comprises a Type-C interface 341 or a wireless charging circuit 342.
Preferably, the wireless charging circuit 342 includes a coil circuit 3421 and a receiving circuit 3422, and the coil circuit 3421 is connected to the receiving circuit 3422.
Preferably, the receiving circuit 3422 includes a BQ51013B chip. The maximum charging power of wireless charging can reach 5W, and the lithium battery 32 can be rapidly charged; meanwhile, the battery has the functions of overcurrent, overvoltage and temperature protection, and the charging safety can be guaranteed to the maximum extent.
Generally, the card type shaver control circuit of the utility model also comprises an indicator light module 5; the indicator light module 5 [ LED _ WHITE, LED _ RED and LED _ GREEN ] is connected with the MCU control module 1 [ LED _ WHITE, LED _ RED and LED _ GREEN ]; the indicator light module 5 (BV +) is connected with the power supply module 3 (BV +). So that the power of the lithium battery 32 can be visually and simply known through the indicator light module 5.
A card type shaver using the above card type shaver control circuit comprises a shaver main body 9. The shaver body 9 is usually provided with movable blades, which movement may perform a T-shirt function.
The shaver body 9 is provided with a shaver plane 91, and the coils [ not shown in the drawings ] of the coil circuit 3421 are parallel to the shaver plane 91. So as to ensure the electric energy conversion rate of wireless charging as much as possible.
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 (10)
1. The card type shaver control circuit comprises an MCU control module (1), a motor driving module (2), a power supply module (3) and a key module (4); the motor driving module (2) is connected with the MCU control module (1); the key module (4) is connected with the MCU control module (1);
the method is characterized in that: the power supply module (3) comprises a charging circuit (31), a lithium battery (32) and a charging input end (34); the charging input end (34) is connected with a charging circuit (31), and the charging circuit (31) is connected with a lithium battery (32); the MCU control module (1), the motor driving module (2) and the key module (4) are all connected with a charging circuit (31).
2. The card razor control circuit of claim 1, wherein: the MCU control module (1) comprises an SN8F5702 single chip microcomputer.
3. The card razor control circuit of claim 2, wherein: the MCU control module (1) further comprises an online programming interface circuit (11), the MCU control module (1) is connected with the online programming interface circuit (11), and the online programming interface circuit (11) is connected with the power module (3).
4. The card razor control circuit of claim 1, wherein: the charging circuit (31) comprises a ME4055AM6G charging IC.
5. The card razor control circuit of claim 4, wherein: the power module (3) further comprises a charging protection circuit (33); the charging input end (34) is connected with a charging protection circuit (33), and the charging protection circuit (33) is connected with the charging circuit (31).
6. The card razor control circuit of claim 1, wherein: the charging input end (34) comprises a Type-C interface (341) and a wireless charging circuit (342); the Type-C interface (341) is connected in parallel with the wireless charging circuit (342).
7. The card razor control circuit of claim 1, wherein: the charging input (34) comprises a Type-C interface (341) or a wireless charging circuit (342).
8. The card razor control circuit of claim 6 or 7, wherein: the wireless charging circuit (342) comprises a coil circuit (3421) and a receiving circuit (3422), and the coil circuit (3421) is connected with the receiving circuit (3422).
9. The card razor control circuit of claim 8, wherein: the receiving circuit (3422) includes a BQ51013B chip.
10. A card razor comprising the card razor control circuit of claim 8, wherein: further comprises a shaver body (9); the shaver body (9) is provided with a shaver plane (91), and the coils of the coil circuit (3421) are parallel to the shaver plane (91).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019204553825 | 2019-04-04 | ||
| CN201920455382 | 2019-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210046692U true CN210046692U (en) | 2020-02-11 |
Family
ID=69378747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920496645.7U Active CN210046692U (en) | 2019-04-04 | 2019-04-13 | Card type razor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210046692U (en) |
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2019
- 2019-04-13 CN CN201920496645.7U patent/CN210046692U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| 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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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240314 Granted publication date: 20200211 |