CN108717332B - Wireless charging mouse pad - Google Patents
Wireless charging mouse pad Download PDFInfo
- Publication number
- CN108717332B CN108717332B CN201810969152.0A CN201810969152A CN108717332B CN 108717332 B CN108717332 B CN 108717332B CN 201810969152 A CN201810969152 A CN 201810969152A CN 108717332 B CN108717332 B CN 108717332B
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- China
- Prior art keywords
- coil
- mouse pad
- wireless charging
- wire
- electromagnetic transmitting
- 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.)
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- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 19
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 210000000707 wrist Anatomy 0.000 description 11
- 230000004907 flux Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 108091008695 photoreceptors Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002653 magnetic therapy Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/039—Accessories therefor, e.g. mouse pads
- G06F3/0395—Mouse pads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H02J7/025—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a wireless charging mouse pad which comprises a mouse pad body (11), a mains supply interface (12), a rectifying and filtering module (13), a control circuit (14) and an electromagnetic transmitting coil (15), wherein the mains supply interface (12) is arranged in the mouse pad body (11). The wireless charging mouse pad can realize wireless charging of electronic equipment such as a mouse and the like.
Description
Technical Field
The invention relates to the technical field of mouse pads, in particular to a wireless charging mouse pad.
Background
The mouse pad is a small pad for a mouse, and has the main function of preventing the surface reflection and refraction of special materials such as glass from affecting the positioning of a photoreceptor of the mouse and providing a plane which is convenient for a photoreceptor system of the mouse to calculate a motion vector.
The Chinese patent document with the publication number of CN204423332U discloses a novel portable mouse pad, which comprises a mouse pad body, wherein the body of the mouse pad is inlaid in a silica gel shell, and the mouse pad body comprises a first mouse pad, a second mouse pad, a third mouse pad and a fourth mouse pad. Each mouse pad is an isosceles right triangle. The wrist support integrally formed with the mouse pad comprises an arched wrist support bracket, a wrist groove arranged in the arched wrist support bracket and a universal rotating wheel for supporting the arched wrist support bracket, wherein a liner layer is arranged on the surface of the wrist groove. Each mouse pad is of a double-layer structure, an electric heating wire is arranged in the middle of each mouse pad, and two right-angle edges of each mouse pad are respectively provided with a convex block and a groove. The four mouse pads are electrically connected in pairs through the matching of the convex blocks and the grooves. Compared with the prior art, the patent has the following advantages: the design is simple, portable, can remove the mouse in a flexible way, holds in the palm wrist, uses comfortablely for a long time.
The Chinese patent document with publication number CN106708296A discloses a mouse pad with lamplight having magnetic therapy and massage functions, comprising a USB plug, a mouse pad body and a massage pad; a power line is arranged between the USB plug and the mouse pad body; the left corner of the top of the mouse pad body is provided with a writing board, the top of the mouse pad body is provided with a groove, the right corner of the mouse pad body is provided with a suction pad, the peripheral edge of the mouse pad body is provided with an LED lamp, the bottom of the mouse pad body is provided with a wrist support, and the mouse pad body is internally provided with a gauze layer; the left side of the wrist support is provided with a heating sheet switch, the right side of the wrist support is provided with an air pump, and an air bag is arranged in the wrist support; a motor switch is arranged on the left side of the heating sheet switch; the bottom of the gauze layer is provided with a soft layer; a connecting belt is arranged between the massage pad and the mouse pad body, and a rubber layer is arranged in the massage pad; massage particles, thorns and naps are arranged on the back of the rubber layer, and a miniature vibration motor is arranged in the rubber layer.
The existing mouse pad generally has only functions of placing a mouse and facilitating the positioning of the mouse, but cannot be used for wirelessly charging electronic equipment such as the mouse.
Disclosure of Invention
The invention aims to provide a wireless charging mouse pad which can realize wireless charging of electronic equipment such as a mouse and the like.
In order to achieve the above purpose, the invention provides a wireless charging mouse pad, which comprises a mouse pad body, a mains interface, a rectifying and filtering module, a control circuit and an electromagnetic transmitting coil, wherein the mains interface, the rectifying and filtering module, the control circuit and the electromagnetic transmitting coil are arranged in the mouse pad body, the mains interface is connected with the rectifying and filtering module, the rectifying and filtering module is connected with the control circuit and the electromagnetic transmitting coil, and the control circuit is connected with the electromagnetic transmitting coil; the electromagnetic transmitting coil comprises an inner coil and an outer coil arranged on the periphery of the inner coil, the outer side of the inner coil and the inner side of the outer coil are mutually attached to enable the electromagnetic transmitting coil to be formed into a cylinder shape, and the inner diameter of any axis of the cylinder shape is equal to the outer diameter of any axis of the cylinder shape; the center of the cross section of the outer coil and the center of the cross section of the inner coil are both on a positive spiral line, and the lead S of the positive spiral line is the same as the line height h of the outer coil or the inner coil along the axial direction; the magnetic fields generated by the outer coil and the inner coil have the same direction.
Alternatively, the cross sections of the wires forming the outer coil and the inner coil are square or right-angled triangles.
Optionally, the outer coil comprises a first half coil and a second half coil, the first half coil and the second half coil being enclosed on opposite sides of the inner coil.
Optionally, the first half coil and the second half coil each include a stacked semicircular extending wire and an adhesive layer adhering adjacent semicircular wires, ends of the wires connected to the semicircular extending wire are in electrical contact, and the inner coil includes a wire and an adhesive layer wrapping the periphery of the wire.
Optionally, the electromagnetic transmitting coil is made of copper.
Optionally, ceramic insulating layers are arranged on the upper layer and the lower layer of the electromagnetic transmitting coil.
Optionally, perforations are distributed on the ceramic insulating layer.
Optionally, the electromagnetic transmitting coils are plural and are arranged at intervals in the horizontal direction.
The invention has the following advantages:
the wireless charging mouse pad can realize wireless charging of electronic equipment such as a mouse and the like; according to the calculation formula of the magnitude of the induced electromotive force of E=nΔphi/Δt, the larger the magnetic flux variation Δphi/Δt is, the larger the generated voltage is, the magnitude of the magnetic flux is positively correlated with the number of turns of the electromagnetic transmitting coil, the coil wound by the wire with the circular radius r as the cross section is taken as an example, the thickness of the wire with the thickness delta d is taken, and the volume of the wire is pi r 2 δd, if the segment of wire is replaced with two segments of rectangular wires with the same thickness and overlapped into a square, the volume of the two segments of rectangular wires is 4r 2 δd, namely the volume of the actual occupied space of the rectangular wire is unchanged (the volume of the cylinder), the volume is only (4/pi-1) ≡0.27 times larger than the volume of the round wire, and the magnetic flux is twice that of the original round wire, so that the charging efficiency is higher, the material is saved, and the occupied space of the coil is not changed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a wireless charging mouse pad provided by the invention.
Fig. 2 is a schematic structural diagram of another embodiment of a wireless charging mouse pad provided by the invention.
Fig. 3 is a schematic structural diagram of an embodiment of an electromagnetic transmitting coil provided by the present invention.
Fig. 4 is a schematic structural view (axial cross-sectional view) of another embodiment of an electromagnetic transmitting coil provided by the present invention.
Fig. 5 is a schematic structural view of one embodiment of a positive spiral formed at the center of the outer coil cross section and at the center of the inner coil cross section.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Unless otherwise specified, the term "up and down" in the present invention refers to "up and down" of the mouse pad in actual use.
As shown in fig. 1-5, the present invention provides a wireless charging mouse pad, the mouse pad includes a mouse pad body 11, a mains interface 12, a rectifying and filtering module 13, a control circuit 14 and an electromagnetic transmitting coil 15, wherein the mains interface 12 is connected with the rectifying and filtering module 13, the rectifying and filtering module 13 is connected with the control circuit 14 and the electromagnetic transmitting coil 15, and the control circuit 14 is connected with the electromagnetic transmitting coil 15; the electromagnetic transmitting coil 15 comprises an inner coil 151 and an outer coil 152 arranged on the periphery of the inner coil 151, the outer side of the inner coil 151 and the inner side of the outer coil 152 are mutually attached to form the electromagnetic transmitting coil 15 into a cylinder shape, and the inner diameter of any axis of the cylinder shape is equal to the outer diameter of any axis; the center of the cross section of the outer coil 152 and the center of the cross section of the inner coil 151 are both on a positive spiral line, and the lead S of the positive spiral line is the same as the line height h of the outer coil 152 or the inner coil 151 along the axial direction; the magnetic fields generated by the outer coil 152 and the inner coil 151 are in the same direction. The wireless charging mouse pad can realize wireless charging of electronic equipment such as a mouse and the like; according to the calculation formula of the magnitude of the induced electromotive force of E=nΔΦ/Δt, the larger the magnetic flux variation ΔΦ/Δt is, the voltage is generatedThe larger the magnetic flux is, the positive correlation is made between the number of turns of the electromagnetic transmitting coil, the coil is formed by winding the wire with the round radius r as the cross section, the thickness of the wire with the thickness delta d is taken as the thickness of the wire, and the volume of the wire is pi r 2 δd, if the segment of wire is replaced with two segments of rectangular wires with the same thickness and overlapped into a square, the volume of the two segments of rectangular wires is 4r 2 Delta d, namely the volume of the actual occupied space of the rectangular wire is unchanged (the volume of the cylinder), the volume is about 0.27 times more than the volume of the round wire (4/pi-1)/(0) which is only used by the round wire, and the magnetic flux is twice as high as that of the original round wire, so that the charging efficiency is higher, the material is saved, and the occupied space of the coil is not changed
As shown in fig. 4, the cross sections of the wires forming the outer coil 152 and the inner coil 151 may be square or right triangle, and the space occupied by the coils can be utilized to the maximum by matching the inner coil and the outer coil.
To facilitate the processing and assembly of the inner and outer coils, as shown in fig. 3, the outer coil 152 may include a first half coil 1521 and a second half coil 1522, the first half coil 1521 and the second half coil 1522 may be enclosed on opposite sides of the inner coil 151, the first half coil 1521 and the second half coil 1522 may each include a stacked semicircular-shaped extending wire and an adhesive layer adhering to adjacent semicircular-shaped wires, ends of the connected semicircular-shaped extending wires may be electrically contacted, and the inner coil 151 may include a wire and an adhesive layer covering the outer circumference of the wire. When the wire is specifically processed, the semicircular extending wire can be prepared and then connected through the adhesive, the adhesive can be an organic polymer material and has the functions of adhesion and insulation, and the end part of the semicircular extending wire needs to be exposed so as to be electrically connected with other wires.
In the present invention, the electromagnetic transmitting coil may be made of various conductive materials, for example, the material of the electromagnetic transmitting coil 15 may be copper, and the direction of the magnetic field in the coil is determined according to the current direction, so long as the current directions in the inner and outer coils are made to be consistent in real time, the directions of the magnetic fields generated in the inner and outer coils are consistent, thereby generating superposition. The rectifying and filtering module and the control circuit are well known to those skilled in the art, and the rectifying and filtering module may include a rectifying and filtering circuit for rectifying and filtering 220V mains supply and supplying power to the control circuit and the electromagnetic transmitting coil, and the control circuit may be an MCU or DSP processing chip for controlling the electromagnetic transmitting coil to convert electric energy into magnetic energy and transmit the magnetic energy to the receiving coil.
Because the coil can produce heat when being electrified, in order to quicken heat dissipation, the upper layer and the lower layer of the electromagnetic transmitting coil 15 can be provided with ceramic insulating layers, and perforations can be distributed on the ceramic insulating layers so as to quicken heat dissipation.
In order to facilitate wireless charging of multiple electronic devices at the same time, as shown in fig. 1, the electromagnetic transmitting coils 15 may be multiple and arranged at intervals in a horizontal direction, and preferably, the electromagnetic transmitting coils 15 are distributed on the whole mouse pad body, so that the mouse can be charged when placed at any position, and the wireless charging standard may be any standard of Qi standard, power Matters Alliance (PMA) standard, alliance for Wireless Power (A4 WP) standard, iinofi technology, wi-Po technology.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (8)
1. The wireless charging mouse pad is characterized by comprising a mouse pad body (11), a mains supply interface (12), a rectifying and filtering module (13), a control circuit (14) and an electromagnetic transmitting coil (15), wherein the mains supply interface (12) is connected with the rectifying and filtering module (13), the rectifying and filtering module (13) is connected with the control circuit (14) and the electromagnetic transmitting coil (15), and the control circuit (14) is connected with the electromagnetic transmitting coil (15); the electromagnetic transmitting coil (15) comprises an inner coil (151) and an outer coil (152) arranged on the periphery of the inner coil (151), the outer side of the inner coil (151) and the inner side of the outer coil (152) are mutually attached to enable the electromagnetic transmitting coil (15) to be formed into a cylinder shape, and the inner diameters of any axes of the cylinder shape are equal to the outer diameters of any axes; the center of the cross section of the outer coil (152) and the center of the cross section of the inner coil (151) are both on a positive spiral line, and the lead S of the positive spiral line is the same as the line height h of the outer coil (152) or the inner coil (151) along the axial direction; the directions of magnetic fields generated by the outer coil (152) and the inner coil (151) are the same;
the coil is a rectangular wire with two sections of the same thickness overlapped to form a square; the direction of the magnetic field in the coils is determined according to the current direction, so that the current directions in the inner coil and the outer coil are consistent in real time, and the directions of the magnetic fields generated in the inner coil and the outer coil are consistent, thereby generating superposition.
2. The wireless charging mouse pad according to claim 1, wherein the cross sections of wires constituting the outer coil (152) and the inner coil (151) are square or right triangle.
3. The wireless charging mouse pad of claim 1, wherein the outer coil (152) comprises a first half coil (1521) and a second half coil (1522), the first half coil (1521) and the second half coil (1522) being enclosed on opposite sides of the inner coil (151).
4. The wireless charging mouse pad of claim 3, wherein the first half-coil (1521) and the second half-coil (1522) each comprise a stacked semicircular-shaped extending wire and an adhesive layer adhering to adjacent said semicircular-shaped wire, ends of the wire adjoining said semicircular-shaped extending wire being in electrical contact, and the inner-coil (151) comprises a wire and an adhesive layer wrapping around the outer periphery of the wire.
5. The wireless charging mouse pad according to claim 1, wherein the material of the electromagnetic transmitting coil (15) is copper.
6. The wireless charging mouse pad according to claim 1, wherein upper and lower layers of the electromagnetic transmitting coil (15) are provided with ceramic insulating layers.
7. The wireless charging mouse pad of claim 6, wherein perforations are distributed on the ceramic insulating layer.
8. The wireless charging mouse pad according to claim 1, wherein the electromagnetic transmitting coils (15) are plural and are arranged at intervals in a horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969152.0A CN108717332B (en) | 2018-08-23 | 2018-08-23 | Wireless charging mouse pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969152.0A CN108717332B (en) | 2018-08-23 | 2018-08-23 | Wireless charging mouse pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108717332A CN108717332A (en) | 2018-10-30 |
| CN108717332B true CN108717332B (en) | 2024-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810969152.0A Active CN108717332B (en) | 2018-08-23 | 2018-08-23 | Wireless charging mouse pad |
Country Status (1)
| Country | Link |
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| CN (1) | CN108717332B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW202026824A (en) * | 2019-01-07 | 2020-07-16 | 哈帝斯科技股份有限公司 | Wireless charging mousepad structures and processes |
| TWI702519B (en) * | 2019-01-07 | 2020-08-21 | 哈帝斯科技股份有限公司 | Wireless charging mousepad structures and processes |
| CN109742864A (en) * | 2019-03-20 | 2019-05-10 | 张福方 | A kind of wireless charging mouse pad |
| TW202232289A (en) * | 2021-02-03 | 2022-08-16 | 寶德科技股份有限公司 | Mouse pad |
| CN113064502B (en) * | 2021-04-12 | 2022-11-11 | 业成科技（成都）有限公司 | Wireless charging device and wireless charging panel thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108717332A (en) | 2018-10-30 |
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