CN218005978U - Electronic equipment of cutting a pencil and electronic host computer of cutting a pencil based on wireless charging - Google Patents
Electronic equipment of cutting a pencil and electronic host computer of cutting a pencil based on wireless charging Download PDFInfo
- Publication number
- CN218005978U CN218005978U CN202221549167.XU CN202221549167U CN218005978U CN 218005978 U CN218005978 U CN 218005978U CN 202221549167 U CN202221549167 U CN 202221549167U CN 218005978 U CN218005978 U CN 218005978U
- Authority
- CN
- China
- Prior art keywords
- circuit
- charging
- wireless
- pencil sharpening
- rechargeable battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000006698 induction Effects 0.000 claims abstract description 16
- 230000003044 adaptive effect Effects 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 8
- 230000000994 depressogenic effect Effects 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an electric pencil sharpening device based on wireless charging and an electric pencil sharpening host, wherein the electric pencil sharpening host comprises a first shell, a pencil sharpening component, a motor, a rechargeable battery, a first circuit module and a receiving coil, and the first circuit module comprises a wireless receiving circuit; the first shell is provided with a first accommodating cavity and a second accommodating cavity which are distributed up and down, and the pencil sharpening assembly is positioned in the first accommodating cavity; the motor, the rechargeable battery, the receiving coil and the first circuit module are positioned in the second accommodating cavity; the wireless transmitting circuit is coupled with the wireless receiving circuit, and the receiving coil generates a first magnetic field; the first magnetic field and the second magnetic field are coupled to generate induction current, and the induction current is input into the rechargeable battery to realize wireless charging after being rectified by the first circuit module, so that the charging convenience is improved, and the condition that the interface is damaged and charging cannot be carried out due to wired charging is avoided.
Description
Technical Field
The utility model relates to a technical field of electronic penknife especially relates to an electronic equipment and electronic host computer of cutting based on wireless charging.
Background
The electric pencil sharpener drives the pencil sharpening mechanism through a motor to cut a pencil, and the power of the motor is generally provided by a battery in a first shell of the electric pencil sharpener.
For example, a pencil sharpener disclosed in application publication No. CN214984501U, which comprises a rechargeable power module and a charging tip; the mouth that charges has been seted up with the one end of base contact to first casing, and the end that charges inlays to be established in the department of charging port, and charges end one end and expose outside, and inside one end passed the mouth that charges and stretches into first casing, the one end that the end that charges stretches into first casing was connected with the charging wire, and the one end that the end that charges was kept away from to the charging wire links to each other with power module.
However, the exposed charging port is easily blocked by dust and pen dust, and is also easily corroded by water vapor to influence the contact performance, so that technicians design the electric pencil sharpener with the base.
For example, CN201471989U discloses a rechargeable electric pencil sharpener, which comprises a charging seat and a pencil sharpener body, wherein the bottom of the pencil sharpener body is provided with a power-on metal sheet matched with the metal sheet on the charging seat, the charging seat is provided with a power plug, and the charging seat is powered off automatically after the sharpener body leaves the charging seat.
However, the charging can be realized only by matching the electrified metal sheet and the metal sheet, so that the charging of the pencil sharpener is inconvenient, and the pencil sharpener needs to be carried with a matched charging seat when going out. Although the electrified metal sheet is shielded at the bottom of the machine body, the metal sheet on the charging seat can be independently stored to realize the dustproof and antirust effects, but the charging cannot be realized due to the fact that the exposed electrified metal sheet and the metal sheet of the charging seat are rusted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electronic equipment of cutting and electronic host computer of cutting based on wireless charging is provided. Because realize charging through wireless response, improved the convenience that charges promptly, avoided again because of the awkward situation that the interface damages and can't charge.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the electric pencil sharpening device based on wireless charging is characterized by comprising an electric pencil sharpening host positioned on the upper side and an adaptive charging base positioned on the lower side;
the electric pencil sharpening host comprises a first shell, a pencil sharpening assembly, a motor, a rechargeable battery, a first circuit module and a receiving coil, wherein the first circuit module comprises a wireless receiving circuit;
the pencil sharpener comprises a first shell, a second shell, a pencil sharpening assembly and a pencil sharpening assembly, wherein the first shell is provided with a first accommodating cavity and a second accommodating cavity which are distributed up and down; the motor, the rechargeable battery, the receiving coil and the first circuit module are positioned in the second accommodating cavity;
the adaptive charging base comprises a second shell, a second circuit module and a transmitting coil opposite to the receiving coil, wherein the second circuit module comprises a wireless transmitting circuit and a power supply circuit;
when the power supply circuit is powered on, the transmitting coil generates a second magnetic field, the wireless transmitting circuit is coupled with the wireless receiving circuit, and the receiving coil generates a first magnetic field;
the first magnetic field and the second magnetic field are coupled to generate induction current, and the induction current is rectified by the first circuit module and then is input into the rechargeable battery to realize wireless charging;
the rechargeable battery is electrically connected with the motor to provide electric power support, and the motor drives the pencil sharpening assembly to rotate so as to sharpen a pencil.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the first circuit module further comprises a charging management circuit, wherein the charging management circuit comprises a rectifying unit circuit and a distributing unit circuit;
the rectification unit circuit is used for converting alternating current induction current received by the wireless receiving circuit into direct current and adjusting the current;
the distribution unit circuit is used for controlling and coordinating the work of each unit circuit and the wireless receiving circuit, controlling the charging output and controlling whether to charge the rechargeable battery.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the first circuit module further includes a control circuit that controls operation of the motor under power support from the rechargeable battery.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the receiving coil is tightly attached to the bottom wall of the first shell, and the transmitting coil is tightly attached to the top wall of the second shell.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the upper end face of the adaptive charging base comprises a depressed area matched with the bottom wall of a first shell of the electric pencil sharpening host, the bottom wall of the first shell comprises a first plane, the bottom surface of the depressed area comprises a second plane, and the first plane is in contact with the second plane.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the second plane is provided with a plurality of ribs, and the first plane is provided with grooves matched with the ribs.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the control circuit, the charging management circuit and the wireless receiving circuit are integrated on the same PCB.
The utility model provides an above-mentioned technical problem adopted preferred technical scheme be: the second accommodating cavity is internally provided with a transverse partition board which divides the second accommodating cavity into an upper compartment and a lower compartment, the rechargeable battery, the motor and the PCB are arranged in the upper compartment, and the receiving coil is arranged in the lower compartment.
The utility model provides an another technical scheme that above-mentioned technical problem adopted does: the electric pencil sharpening host is characterized by comprising a first shell, a pencil sharpening assembly and a power assembly;
the first shell comprises a first accommodating cavity and a second accommodating cavity which are isolated from each other, and the pencil sharpening assembly is positioned in the first accommodating cavity; the power assembly is positioned in a second accommodating cavity, and the second accommodating cavity is enclosed by the bottom wall of the first shell;
the pencil sharpening assembly comprises a tool rest and a cutter body, and the power assembly comprises a rechargeable battery, a motor, a first circuit module and a receiving coil;
the rechargeable battery is electrically connected with the motor to provide electric support, and the motor drives the tool rest to drive the tool body to rotate;
the first circuit module comprises a control circuit, a charging management circuit, a wireless receiving circuit and a receiving coil, the circuit module is connected with the motor and the rechargeable battery, and the control circuit controls the motor to operate under the power support of the rechargeable battery;
the receiving coil is connected to the wireless receiving circuit, when the wireless receiving circuit is switched on, the receiving coil generates a magnetic field, the magnetic field is coupled with the magnetic field of the transmitting coil of the wireless charging base to generate induction current, and the induction current is input into the rechargeable battery after being rectified by the charging management circuit.
The utility model provides an another technical scheme that above-mentioned technical problem adopted is preferred: the control circuit, the charging management circuit and the wireless receiving circuit are integrated on the same PCB.
The utility model provides an another technical scheme that above-mentioned technical problem adopted is preferred: the receiving coil is tightly attached to the bottom wall of the first shell.
The utility model provides an another technical scheme that above-mentioned technical problem adopted is preferred: the first containing cavity and the second containing cavity are distributed up and down, the second containing cavity comprises an upper compartment and a lower compartment, the rechargeable battery, the motor and the PCB are arranged in the upper compartment, and the receiving coil is arranged in the lower compartment.
The utility model provides an another technical scheme that above-mentioned technical problem adopted is preferred: the charging management circuit comprises a rectifying unit circuit, a distribution unit circuit and a protection unit circuit;
the rectification unit circuit is used for converting alternating current induction current received by the wireless receiving circuit into direct current and adjusting the current;
the distribution unit circuit is used for controlling and coordinating the work of each unit circuit and the wireless receiving circuit, controlling the charging output and controlling whether to charge the rechargeable battery;
the protection unit circuit is used for protecting each unit circuit and the wireless receiving circuit so as to cut off the circuit under any condition of overvoltage, undervoltage, overcurrent and overtemperature.
The utility model provides an another technical scheme that above-mentioned technical problem adopted is preferred: one side of PCB board is equipped with the magnetism piece that separates to shield external magnetic field and cause magnetic interference in order to prevent that external magnetic field from to the device on the PCB board.
The utility model provides an above-mentioned technical problem still the technical scheme who adopts does: the electric pencil sharpening device comprises the electric pencil sharpening host and an adaptive charging base; the adaptive charging base comprises a second shell, a transmitting coil and a second circuit module are arranged in the second shell, the second shell is provided with a power supply input interface or a power line connected with the second circuit module, the second circuit module controls and converts input current and then outputs the current to the transmitting coil, and the transmitting coil is used for being coupled with a receiving coil in the wireless charging-based electric pencil sharpening host.
The utility model provides an above-mentioned technical problem the above-mentioned technical scheme's that still adopts preferred: the upper end face of the adaptive charging base comprises a depressed area, the depressed area is matched with the lower portion of the electric pencil sharpening host, and the lower portion of the electric pencil sharpening host is inserted into the depressed area to realize supporting and charging.
Compared with the prior art, the utility model has the advantages that realize charging to electronic host computer of cutting through wireless mode between adaptation charging base or other wireless chargers, improved the convenience of charging promptly and avoided the interface damage that wired charging leads to again and the unable condition of charging.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
Fig. 1 is a perspective view of an electric pencil sharpening device based on wireless charging according to a preferred embodiment of the present invention;
fig. 2 is a rear view of an electric pencil sharpening device based on wireless charging according to a preferred embodiment of the present invention;
fig. 3 is an exploded view of an electric pencil sharpening device based on wireless charging according to a preferred embodiment of the present invention;
fig. 4 is a cross-sectional view of an electric pencil sharpening device based on wireless charging in accordance with a preferred embodiment of the present invention;
fig. 5 is an exploded view of an electric pencil sharpening device based on wireless charging according to a preferred embodiment of the present invention;
fig. 6 is a partial enlarged view of the cross-sectional view of fig. 4 in accordance with a preferred embodiment of the present invention;
fig. 7 is a circuit system diagram of an electric pencil sharpening device based on wireless charging according to a preferred embodiment of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the utility model is conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-4, the electric pencil sharpening device based on wireless charging comprises an electric pencil sharpening host 1 located at the upper side and an adaptive charging base 2 located at the lower side.
The electric pencil sharpening host 1 comprises a first shell 11, and a pencil sharpening assembly 12 and a power assembly which are arranged in the first shell 11;
as shown in fig. 4, the first housing 11 includes a first accommodation chamber L1 and a second accommodation chamber L2 that are isolated from each other. In this embodiment, the first accommodating cavity L1 and the second accommodating cavity L2 are disposed vertically, the first accommodating cavity L1 is located at the upper side for accommodating the pencil sharpening assembly 12, and the second accommodating cavity L2 is located at the lower side for accommodating the power assembly.
Preferably, as shown in fig. 1-4, the upper end surface of the first housing 11 is provided with a pencil insertion hole K extending to the pencil passage of the pencil sharpening assembly 12, and a pencil is inserted into the pencil passage from the pencil insertion hole K, so that the front section of the pencil falls into the sharpening region of the pencil sharpening assembly 12. The first accommodating chamber L1 forms a chip collecting space.
Of course, the specific arrangement of the first receiving cavity L1 and the second receiving cavity L2 is not limited by the embodiment, and the two receiving cavities may also form a left-right side-by-side structure, but it should be noted that the second receiving cavity L2 should be enclosed by the bottom wall a of the first housing 11.
As shown in fig. 4 and 7, the pencil sharpening assembly 12 comprises a tool holder 121 and a tool body 122, and the power assembly comprises a rechargeable battery 13, a motor 14, a first circuit module 15 and a receiving coil 16.
An output shaft of the motor 14 is directly connected with the tool holder 121 or is connected with the tool holder 121 through a transmission structure such as a gear set, and when the motor 14 runs, the tool holder 121 is driven to rotate so as to drive the tool body 122 to rotate, so that the front section of the pencil in the cutting area is cut.
As shown in fig. 4, 5 and 7, the rechargeable battery 13 is electrically connected to the motor 14 and the first circuit module 15, and the first circuit module 15 includes a wireless receiving circuit 151 including at least the receiving coil 16. The first circuit module 15 is used to wirelessly charge the rechargeable battery 13, and the rechargeable battery 13 provides power support to the electric machine 14 in a power storage state.
As shown in fig. 4-7, the adaptive charging dock 2 includes a second housing 21, a second circuit module 22, and a transmitting coil 23 opposite the receiving coil 16. The second housing 21 has a third accommodation chamber L3, and the transmitting coil 23 and the second circuit module 22 are disposed in the third accommodation chamber L3.
As shown in fig. 2 and 7, the second housing 21 is provided with a power input interface Y or a power line for connecting the second circuit module 22. The second circuit module 22 includes a wireless transmitting circuit 221 and a power supply circuit 222, when the power supply input interface Y or the power line is connected to an external power supply, the power supply circuit 222 is powered on to input current to the wireless transmitting circuit 221, the wireless transmitting circuit 221 controls and converts the input current and outputs the current to the transmitting coil 23, and the transmitting coil 23 generates a second magnetic field.
When the adaptive charging base 2 is in a power-on state, the electric pencil sharpening host 1 is placed on the adaptive charging base 2 and enters a charging state, the wireless transmitting circuit 221 is coupled with the wireless receiving circuit 151, and the receiving coil 16 generates a first magnetic field; the first magnetic field and the second magnetic field are coupled to generate an induction current, and the induction current is rectified by the first circuit module 15 and then is input into the rechargeable battery 13 to realize wireless charging.
Based on the scheme, it should be understood that the electric pencil sharpening host 1 adopts a wireless charging mode to charge, and the trouble that the charging interface cannot be charged due to damage of dust blockage or corrosion and the like is avoided.
In order to improve the efficiency of the wireless coupling, as shown in fig. 6, the receiving coil 16 is closely attached to the bottom wall a of the first housing 11, and the transmitting coil 23 is closely attached to the top wall b of the second housing 21.
And when the electric pencil sharpening host 1 meets the QI standard, the electric pencil sharpening host can be placed on any wireless charger with a QI identifier to realize charging.
The wireless charger with QI identification is a universal charging device suitable for mobile phones, cameras, computers and other electronic products. Therefore, the charging equipment for charging the electric pencil sharpening host 1 is more easily obtained, and the convenience of charging is improved.
Moreover, because the wireless charger with the QI identifier has universality, when the user goes out, the user only needs to carry one wireless charger when carrying a plurality of electronic devices including the electric pencil sharpener 1, and further more convenience is brought to the user.
As shown in fig. 7, preferably, the first circuit module 15 further includes a charging management circuit 152, and the charging management circuit 152 includes the rectifying unit circuit 10. The rectifying unit circuit 10 is configured to convert the ac induced current received by the wireless receiving circuit 151 into a dc current. The rectifier circuit unit 10 can also preferably regulate the magnitude of the converted direct current.
Further, the first circuit module 15 further includes a distribution unit circuit 20, and the distribution unit circuit 20 is configured to control and coordinate operations of the unit circuits and the wireless receiving circuit 151, and control a charging output to control whether to charge the rechargeable battery 13.
In addition, the first circuit module 15 further preferably includes a protection unit circuit 30 for protecting each unit circuit and the wireless receiving circuit 151, so as to cut off the circuit and block charging when any one of overvoltage, undervoltage, overcurrent and overtemperature occurs in each unit circuit and the wireless receiving circuit 151, thereby protecting the electric pencil sharpener host 1.
The first circuit module 15, in turn, also includes a control circuit 153 for controlling the operation of the motor 14, supported by the power of the rechargeable battery 13. Preferably, the control circuit 153, the charging management circuit 152, and the wireless receiving circuit 151 are integrated on the same PCB.
As shown in fig. 3, the upper end surface of the adaptive charging base 2 includes a recessed area C, the recessed area C is matched with the lower portion of the electric pencil sharpening main body 1, and the lower portion of the electric pencil sharpening main body 1 is inserted into the recessed area C to realize supporting and charging. It should be noted that the bottom wall a of the first housing 11 should fit the bottom surface of the recessed area C.
Preferably, the bottom wall a of the first housing 11 includes a first plane, the bottom surface of the recessed area C includes a second plane g, and the first plane and the second plane are adapted and contacted to realize wireless charging.
Preferably, the second plane is provided with a plurality of ribs f, and the first plane is provided with grooves matched with the ribs, so that the positioning accuracy of the second plane and the first plane is further improved.
As shown in fig. 4, it is preferable that a transverse partition plate p is disposed in the second receiving cavity L2, the transverse partition plate p divides the second receiving cavity L2 into an upper compartment s1 and a lower compartment s2, the rechargeable battery 13, the motor 14, and the PCB are disposed in the upper compartment, and the receiving coil 16 is disposed in the lower compartment s2, so that magnetic interference of a magnetic field to the PCB, the motor 14, and the like is reduced.
Further preferably, the outer side of the PCB is further provided with a magnetic shielding sheet to shield the magnetic field to prevent the magnetic field from causing magnetic interference to devices on the PCB.
It is right above the utility model provides an electronic equipment and electronic host computer of cutting a based on wireless charging carries out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment is only used for helping the assistant the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (15)
1. The electric pencil sharpening device based on wireless charging is characterized by comprising an electric pencil sharpening host positioned on the upper side and an adaptive charging base positioned on the lower side;
the electric pencil sharpening host comprises a first shell, a pencil sharpening assembly, a motor, a rechargeable battery, a first circuit module and a receiving coil, wherein the first circuit module comprises a wireless receiving circuit;
the first shell is provided with a first accommodating cavity and a second accommodating cavity which are distributed up and down, and the pencil sharpening assembly is positioned in the first accommodating cavity; the motor, the rechargeable battery, the receiving coil and the first circuit module are positioned in the second accommodating cavity;
the adaptive charging base comprises a second shell, a second circuit module and a transmitting coil opposite to the receiving coil, wherein the second circuit module comprises a wireless transmitting circuit and a power supply circuit;
when the power supply circuit is powered on, the transmitting coil generates a second magnetic field, the wireless transmitting circuit is coupled with the wireless receiving circuit, and the receiving coil generates a first magnetic field;
the first magnetic field and the second magnetic field are coupled to generate induction current, and the induction current is rectified by the first circuit module and then is input into the rechargeable battery to realize wireless charging;
the rechargeable battery is electrically connected with the motor to provide electric power support, and the motor drives the pencil sharpening assembly to rotate so as to sharpen the pencil.
2. The wireless charging-based electric pencil sharpening device of claim 1, wherein the first circuit module further comprises a charging management circuit, the charging management circuit comprising a rectifying unit circuit, a distributing unit circuit;
the rectification unit circuit is used for converting alternating current induction current received by the wireless receiving circuit into direct current and adjusting the current;
the distribution unit circuit is used for controlling and coordinating the work of each unit circuit and the wireless receiving circuit, controlling the charging output and controlling whether to charge the rechargeable battery.
3. The wireless charging-based electric pencil sharpening device of claim 2, wherein the first circuit module further comprises a control circuit for controlling operation of the motor under power support of the rechargeable battery.
4. The wireless charging-based electric pencil sharpening device as recited in claim 1, wherein the receiving coil is disposed against a bottom wall of the first housing, and the transmitting coil is disposed against a top wall of the second housing.
5. The wireless charging-based electric pencil sharpening device as recited in claim 1, wherein the upper end surface of the adaptive charging base comprises a recessed area matching with the bottom wall of the first housing of the electric pencil sharpening host, the bottom wall of the first housing comprises a first plane, the bottom surface of the recessed area comprises a second plane, and the first plane and the second plane are in contact; the second plane is provided with a plurality of ribs, and the first plane is provided with grooves matched with the ribs.
6. The wireless charging-based electric pencil sharpening device as recited in claim 3, wherein the control circuit, the charging management circuit and the wireless receiving circuit are integrated on the same PCB.
7. The wireless charging-based electric pencil sharpening device as recited in claim 6, wherein a transverse partition is disposed in the second accommodating cavity, the transverse partition divides the second accommodating cavity into an upper compartment and a lower compartment, the rechargeable battery, the motor and the PCB are disposed in the upper compartment, and the receiving coil is disposed in the lower compartment.
8. The electric pencil sharpening host is characterized by comprising a first shell, a pencil sharpening assembly and a power assembly;
the pencil sharpener comprises a first shell, a second shell and a pencil sharpening assembly, wherein the first shell comprises a first accommodating cavity and a second accommodating cavity which are isolated from each other; the power assembly is positioned in a second accommodating cavity, and the second accommodating cavity is enclosed by the bottom wall of the first shell;
the pencil sharpening assembly comprises a tool rest and a tool body, and the power assembly comprises a rechargeable battery, a motor, a first circuit module and a receiving coil;
the rechargeable battery is electrically connected with the motor to provide electric support, and the motor drives the tool rest to drive the tool body to rotate; the first circuit module comprises a control circuit, a charging management circuit, a wireless receiving circuit and a receiving coil, the circuit module is connected with the motor and the rechargeable battery, and the control circuit controls the motor to operate under the power support of the rechargeable battery;
the receiving coil is connected with the wireless receiving circuit, when the wireless receiving circuit is switched on, the receiving coil generates a magnetic field, the magnetic field is coupled with the magnetic field of the transmitting coil of the wireless charging seat to generate induction current, and the induction current is input into the rechargeable battery after being rectified by the charging management circuit.
9. The wireless charging-based electric pencil sharpener as claimed in claim 8, wherein the control circuit, the charging management circuit and the wireless receiving circuit are integrated on the same PCB.
10. The wireless charging-based electric pencil sharpener as claimed in claim 8, wherein the receiving coil is tightly attached to the bottom wall of the first housing.
11. The wireless charging-based electric pencil sharpener as claimed in claim 9, wherein the first accommodating cavity and the second accommodating cavity are distributed vertically, the second accommodating cavity comprises an upper compartment and a lower compartment, the rechargeable battery, the motor and the PCB board are disposed in the upper compartment, and the receiving coil is disposed in the lower compartment.
12. The wireless charging-based electric pencil sharpener as claimed in claim 8, wherein the charging management circuit comprises a rectifying unit circuit, a distributing unit circuit and a protecting unit circuit;
the rectification unit circuit is used for converting alternating current induction current received by the wireless receiving circuit into direct current and adjusting the current;
the distribution unit circuit is used for controlling and coordinating the work of each unit circuit and the wireless receiving circuit, controlling the charging output and controlling whether to charge the rechargeable battery;
the protection unit circuit is used for protecting each unit circuit and the wireless receiving circuit so as to cut off the circuit under any condition of overvoltage, undervoltage, overcurrent and overtemperature.
13. The wireless charging-based electric pencil sharpener as claimed in claim 9, wherein a magnetic shielding sheet is arranged on one side of the PCB to shield an external magnetic field so as to prevent the external magnetic field from causing magnetic interference to devices on the PCB.
14. An electric penknife device, characterized in that the electric penknife device comprises an electric penknife host machine and an adaptive charging base as claimed in any one of claims 6-13; the adaptation base that charges includes the second casing, be equipped with transmitting coil and second circuit module in the second casing, the second casing is equipped with power input interface or connects the power cord of second circuit module, and second circuit module carries out control conversion back output current to the electric current of input and gives transmitting coil, transmitting coil be used for with receive coil coupling in the electronic host computer of cutting based on wireless charging.
15. The electric pencil sharpening apparatus of claim 14, wherein the upper end surface of the adaptive charging base comprises a recessed area, the recessed area is matched with a lower portion of the electric pencil sharpening main unit, and the lower portion of the electric pencil sharpening main unit is inserted into the recessed area to realize supporting and charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549167.XU CN218005978U (en) | 2022-06-20 | 2022-06-20 | Electronic equipment of cutting a pencil and electronic host computer of cutting a pencil based on wireless charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549167.XU CN218005978U (en) | 2022-06-20 | 2022-06-20 | Electronic equipment of cutting a pencil and electronic host computer of cutting a pencil based on wireless charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005978U true CN218005978U (en) | 2022-12-09 |
Family
ID=84295650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221549167.XU Active CN218005978U (en) | 2022-06-20 | 2022-06-20 | Electronic equipment of cutting a pencil and electronic host computer of cutting a pencil based on wireless charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218005978U (en) |
-
2022
- 2022-06-20 CN CN202221549167.XU patent/CN218005978U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6188201B1 (en) | Device for converting direct current input into multiple voltage outputs | |
| CN100347633C (en) | Adapting portable electrical devices to receive power wirelessly | |
| US5906506A (en) | Modularized computer peripherals formed with universally adaptable shape for integration as an unit-body with a portable computer | |
| US4998055A (en) | Externally rechargeable battery pack for a computer | |
| TW501326B (en) | Electric equipment with backup battery-stand powered by host machine power source | |
| JP3148046U (en) | Portable power feeder | |
| EP2448037B1 (en) | Electric power tool system | |
| US8469746B2 (en) | Computer adapter with power outlet and replaceable and rechargeable battery, wireless card, and transceiver | |
| US20090075704A1 (en) | Mobile communication device with charging module | |
| US20090237029A1 (en) | Inductive battery charger for service equipment | |
| US20070279000A1 (en) | Plug in power adapter and/or battery pack for cordless tools | |
| EP0951127A3 (en) | Charging system including a charger and an electric power tool operating on an internal battery unit | |
| WO2008094977A2 (en) | Headphone battery charging | |
| US20130334898A1 (en) | Ac power systems for powering cordless power tools | |
| US6806680B2 (en) | Portable battery charger | |
| US20090079392A1 (en) | Portable power supply module with winding unit | |
| US20110260674A1 (en) | Carrying case, portable electronic device, and electronic apparatus using the same | |
| US20180102666A1 (en) | Battery inductive charging device | |
| CN218005978U (en) | Electronic equipment of cutting a pencil and electronic host computer of cutting a pencil based on wireless charging | |
| WO2019144265A1 (en) | Multifunctional battery pack charger | |
| CN112996631B (en) | Long rod type sander | |
| CN219322107U (en) | Multi-slot inverter | |
| CN218548631U (en) | Middle frame | |
| CN218039390U (en) | Battery pack for cordless power tool | |
| CN217335109U (en) | Power supply conversion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |