CN109508103A - Self-charging wireless mouse based on thermo-electric generation - Google Patents
Self-charging wireless mouse based on thermo-electric generation Download PDFInfo
- Publication number
- CN109508103A CN109508103A CN201811305319.XA CN201811305319A CN109508103A CN 109508103 A CN109508103 A CN 109508103A CN 201811305319 A CN201811305319 A CN 201811305319A CN 109508103 A CN109508103 A CN 109508103A
- Authority
- CN
- China
- Prior art keywords
- mouse
- charging
- boosting
- layer
- voltage stabilizing
- 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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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
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03543—Mice or pucks
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- 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
Abstract
A kind of self-charging wireless mouse based on thermo-electric generation of the present invention includes mouse main body, thermoelectric generation film, boosting Voltage stabilizing module, charging module and charged lithium cells；It is provided with notch at the mouse main body upper surface and palm contacts position, the thermoelectric generation film is embedded in the notch, and and palm contacts；The mouse main body inner part three-layer set, lowest level install the charged lithium cells, for providing energy needed for mouse main body works；Middle layer is the mouse body operation circuit layer, places mouse control circuit；Top layer is boosting Voltage stabilizing module and charging module layer, and the chip of two modules is mounted on top layer；It is connected with each other between each layer with conducting wire；Space-efficient can be made to utilize using three layer arrangements；Structure is simple, simple installation, reliable for operation, and material therefor is at low cost, manufactures, is easy to maintain.It can reduce environmental pollution with self-charging when in use, improve capacity usage ratio, realize energy-saving and environment-friendly purpose.
Description
Technical field
The present invention relates to computer peripheral technical fields, and in particular to a kind of self-charging based on thermo-electric generation is wireless
Mouse.
Background technique
With China's scientific and technological progress, information-based importance is increasingly significant, and the directly electronic products such as drive computer become day
Often a part indispensable in life, mouse are also concerned as important order emission tool.
A kind of input equipment of the mouse as computer plays particularly important effect in daily computer uses.
Compare traditional wire mouse, and wireless mouse is widely used because its figure is small and exquisite, easy to operate, easy to carry.Mesh
Preceding wireless mouse usually requires installation dry cell to be powered, and using dry cell power supply, needs to be replaced as frequently as battery, no
Meet current quickly and easily rhythm of life, not only makes troubles to user's routine work, study, also add cost, more
Cause the serious wasting of resources.Containing harmful substances such as the heavy metals such as a large amount of lead, mercury in discarded battery, if at recycling
It is improper to manage, and easily causes secondary environmental pollution, is unfavorable for social sustainable development.
Simultaneously, it has been found that it can be used repeatedly for lithium battery, is effectively relieved because largely using energy consumption caused by dry cell
Excessively, and largely the problem of discarded dry cell causes secondary environmental pollution, realizes social sustainable development, if it is possible to realize
Its work is supplied in wireless mouse self-charging, can either meet the work of wireless mouse, and can reduce environmental pollution, and improves energy
Utilization rate realizes energy-saving and environment-friendly purpose.For this purpose, it is proposed that the wireless mouse of the self-charging based on thermo-electric generation.
Summary of the invention
Technical problems to be solved:
In place of solving the deficiencies in the prior art, the present invention proposes a kind of wireless mouse of the self-charging based on thermo-electric generation
Mark, it is practical using the power supply mode of self-charging, it is conducive to implement, solves problem of environmental pollution, before there is certain application
Scape.
The technical scheme is that a kind of self-charging wireless mouse based on thermo-electric generation, including mouse main body, it is special
Sign is: further including thermoelectric generation film, boosting Voltage stabilizing module, charging module and charged lithium cells；The mouse main body upper surface
It is provided with notch at palm contacts position, the thermoelectric generation film is embedded in the notch, and and palm contacts；
The mouse main body inner part three-layer set, lowest level installs the charged lithium cells, for providing mouse main body
Energy needed for working；Middle layer is the mouse body operation circuit layer, places mouse control circuit；Top layer is boosting pressure stabilizing
The chip of two modules is mounted on top layer by module and charging module layer；
The thermoelectric generation film output end is successively electric with the boosting Voltage stabilizing module, charging module, charging lithium by conducting wire
Pond is connected with the mouse body operation circuit；The boosting Voltage stabilizing module input terminal VCC-IN and the thermoelectric generation film connect
It connects, output end VCC-OUT is connect with the charging module；It is provided with filter capacitor C1 in the boosting Voltage stabilizing module, by the temperature difference
AC harmonic in power generation sheet input voltage is filtered；
The charging module uses constant current/constant voltage linear charger.
A further technical solution of the present invention is: volume is gradually reduced the mouse body from back to front.
A further technical solution of the present invention is: the charging module uses lithium ion battery charging management chip
TP4056, TP4056 are encapsulated with gelled SOP8, and inside uses PMOSFET framework and anti-down charging circuit.
A further technical solution of the present invention is: the boosting DC/DC controller uses CE8301.
A further technical solution of the present invention is: the boosting Voltage stabilizing module input terminal VCC-IN divides two-way, pass through all the way
Resistance R1 connects with light emitting diode D1 is followed by the end VSS of boosting DC/DC controller；Another way passes through inductance L1 and Schottky
Diode D2 meets boosting Voltage stabilizing module output end VCC-OUT；The end the LX Jie inductance L1 and Schottky two of boosting DC/DC controller
Between pole pipe D2, the end Vout of boosting DC/DC controller is directly connect in boosting Voltage stabilizing module output end VCC-OUT；Boost DC/DC
The end VSS of controller is grounded, and boosting Voltage stabilizing module output end VCC-OUT is grounded by electrolytic capacitor C2；Filter capacitor C1 and string
Resistance R1 and light emitting diode D1 after connection is in parallel.
Beneficial effect
The beneficial effects of the present invention are: volume is gradually reduced mouse body of the present invention from back to front, is more in line with human body
Mechanics design；The otch power generation sheet at mouse main body and palm contacts position, makes power generation sheet half be exposed to outside, when making
When with mouse, palm is contacted with thermoelectric generation film, human body temperature is passed to thermoelectric generation film, thermoelectric generation film generates electric current；
Three layer arrangement of mouse main body inner part can be such that space-efficient utilizes.The charging module uses lithium ion battery Charge Management core
Piece TP4056, inside use PMOSFET framework and anti-down charging circuit, no longer need to add external isolating diode.The present invention exists
Filter capacitor C1 is added in boosting Voltage stabilizing module, the AC harmonic in input voltage is filtered, direct current component is only retained, it is right
The filtering of input voltage, so that obtained DC voltage is more smooth.
Self-charging wireless mouse of the present invention based on thermo-electric generation, structure is simple, simple installation, reliable for operation, institute
With the cost of material is low, manufacture, use and maintenance are convenient.Wireless mouse carry out using when can with self-charging, reduce environment dirt
Dye, improves capacity usage ratio, realizes energy-saving and environment-friendly purpose.
Detailed description of the invention
Fig. 1 is each component relation schematic diagram of the present invention；
Fig. 2 is internal structure stereoscopic schematic diagram of the present invention；
Fig. 3 is outline drawing of the present invention；
Fig. 4 is present invention boosting Voltage stabilizing module circuit diagram；
Description of symbols: 1, mouse body；2, semiconductor temperature differential power generating sheet；3, rectifier diode；4, zener diode；
5, boost Voltage stabilizing module；6, capacitor；7, charging module (TP4056 chip)；8, charged lithium cells.
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
Referring to Fig.1, a kind of self-charging wireless mouse based on thermo-electric generation of the present invention, including mouse main body 1, semiconductor temperature
Poor power generation sheet 2, boosting Voltage stabilizing module 5, charging module 7 and charged lithium cells 8；Referring to Fig. 3,1 upper surface of mouse main body and palm
It is provided with notch at contact position, semiconductor temperature differential power generating sheet 2 is embedded in the notch, and and palm contacts；
Referring to Fig. 2, internal circuit solid space of the present invention is built.Entire circuit is formed to three-dimensional triple layer designs, makes sky
Between efficiently utilize；Lowest level is lithium battery module layer, fixed charged lithium cells 8；Middle layer is mouse body operation circuit layer, peace
Put mouse control circuit；Top layer is boosting Voltage stabilizing module 5 and charging module 7, two module chips is mounted on most upper
Layer；It is connected with each other between each layer with conducting wire.
Physical circuit embodiment of the present invention:
The wireless mouse of self-charging based on thermo-electric generation, including wireless mouse ontology 1, temperature-difference power generation module, boosting are surely
Die block 5, charging module 7 and charged lithium cells 8；
The temperature-difference power generation module is made of semiconductor temperature differential power generating sheet 1, is connected by conducting wire with boosting Voltage stabilizing module 5,
Thermoelectric generation film 1 is connected and will be led through the higher flow deflector of conductivity by the different semiconductor temperature difference electric material of P, N two types
Flow, which is fixed on potsherd, to be formed.1 half of semiconductor temperature differential power generating sheet is exposed to outside, when using a mouse, palm and half
Conductor thermoelectric generation film 1 contacts, and human body temperature is passed to semiconductor temperature differential power generating sheet 1, semiconductor temperature differential power generating sheet 1 generates electricity
Stream.
The thermoelectric generation film output end is successively electric with the boosting Voltage stabilizing module, charging module, charging lithium by conducting wire
Pond is connected with the mouse body operation circuit；The boosting Voltage stabilizing module input terminal VCC-IN and the thermoelectric generation film connect
It connects, output end is connect with the charging module；Filter capacitor C1 is provided in the boosting Voltage stabilizing module, thermoelectric generation film is defeated
The AC harmonic entered in voltage is filtered；
Referring to figure, the boosting Voltage stabilizing module input terminal VCC-IN divides two-way, passes through resistance R1 and light-emitting diodes all the way
Pipe D1 series connection is followed by the end VSS of boosting DC/DC controller；Another way connects boosting pressure stabilizing by inductance L1 and Schottky diode D2
Module output end VCC-OUT；It boosts between the end LX the Jie inductance L1 and Schottky diode D2 of DC/DC controller, boosts
The end Vout of DC/DC controller directly connects in boosting Voltage stabilizing module output end VCC-OUT；The VSS termination of boosting DC/DC controller
Ground, boosting Voltage stabilizing module output end VCC-OUT are grounded by electrolytic capacitor C2；Filter capacitor C1 with connect after resistance R1 with
And light emitting diode D1 is in parallel.The circuit inputs 0.9V-5V DC voltage, can stablize output 5V DC voltage.
The boosting DC/DC controller uses CE8301, and the LX pin of CE8301 is that (drain electrode is opened for external inductance connecting pin
Road output), VSS is ground terminal, and VOUT is output end.CE8301 is one kind by reference voltage source, oscillating circuit, comparator, PFM
The CMOS boosting DC/DC controller of the compositions such as control circuit.The series of products utilize PFM control circuit, certainly according to payload size
Ground switching duty cycle coefficient is moved (when light load: 50%, when High Output Current: 75%), can get low output interior on a large scale
Ripple and high efficiency.
CE8301 is the boosting DC/DC controller constituted by using the external component such as inductance, capacitor and diode.
Built-in MOSFET uses protection circuit, the meeting auto-cutout when switching tube current and being more than controlling value, to prevent from damaging.
Charging module 7 is designed using lithium ion battery charging management chip TP4056, and TP4056 is using constant electricity
Stream/constant voltage linear charger makes TP4056 with lesser outer member number with gelled SOP8 encapsulation
As first choice.Inside uses PMOSFET framework, in addition anti-down charging circuit, no longer needs to add external isolating diode.Thermal feedback
It can automatically adjust to charging current, to be limited under high-power operation or hot environment to chip temperature.
TP4056 also has battery temperature detection, under-voltage locking, recharges automatically and two LED pins for being used to indicate charged state.
Lithium ion battery 8 is fixed on wireless mouse body interior, for providing energy needed for wireless mouse works, with charging
Module 7 is electrically connected by conducting wire；The wireless mouse ontology is existing equipment.
The boosting Voltage stabilizing module boosting principle:
Inductance L1 is the energy conversion device for mutually converting electric energy and magnetic field energy, when MOS switch pipe is closed in CE8301
Afterwards, inductance L1 converts electrical energy into magnetic field energy and stores, and the magnetic field energy of storage is converted to electric field by inductance L1 after MOS is disconnected
Can, and this energy with boosting Voltage stabilizing module input supply voltage superposition after, after the filtering by diode D2 and capacitor C1
It obtains smooth DC voltage and is supplied to charging module 7 and electrolytic capacitor C2, since this voltage is boosting Voltage stabilizing module input
The magnetic figured stone of supply voltage and inductance L1, which can be converted to, to be formed after the superposition of electric energy, so output voltage is higher than input voltage, both
The completion of boost process, while C2 causes self-oscillation, heating loss's electric energy prevented also from circuit output end zero load.
D2 uses Schottky diode, mainly plays buffer action, i.e., when MOS switch pipe is closed, the cathode voltage ratio of D2
Negative electricity forces down, at this time the reverse-biased cut-off of diode, and the thermal energy storage process of this inductance is made not influence output capacitor to the normal of load
Power supply；Because when metal-oxide-semiconductor disconnects, two kinds of superimposed energy are powered to the load by diode, and diode forward is connected at this time.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (5)
1. a kind of self-charging wireless mouse based on thermo-electric generation, including mouse main body, it is characterised in that: further include thermo-electric generation
Piece, boosting Voltage stabilizing module, charging module and charged lithium cells；Slot is provided at the mouse main body upper surface and palm contacts position
Mouthful, the thermoelectric generation film is embedded in the notch, and and palm contacts；
The mouse main body inner part three-layer set, lowest level install the charged lithium cells, for providing mouse main body work
Required energy；Middle layer is the mouse body operation circuit layer, places mouse control circuit；Top layer is boosting Voltage stabilizing module
With charging module layer, the chip of two modules is mounted on top layer；
The thermoelectric generation film output end by conducting wire successively with the boosting Voltage stabilizing module, charging module, charged lithium cells and
The mouse body operation circuit is connected；The boosting Voltage stabilizing module input terminal VCC-IN is connect with the thermoelectric generation film, defeated
Outlet VCC-OUT is connect with the charging module；It is provided with filter capacitor C1 in the boosting Voltage stabilizing module, by thermoelectric generation film
AC harmonic in input voltage is filtered；
The charging module uses constant current/constant voltage linear charger.
2. according to claim 1 based on the self-charging wireless mouse of thermo-electric generation, it is characterised in that: the mouse body by
It is gradually reduced afterwards to front volume.
3. according to claim 1 based on the self-charging wireless mouse of thermo-electric generation, it is characterised in that: the charging module is adopted
It is encapsulated with lithium ion battery charging management chip TP4056, TP4056 with gelled SOP8, inside uses PMOSFET frame
Structure and anti-down charging circuit.
4. according to claim 1 based on the self-charging wireless mouse of thermo-electric generation, it is characterised in that: the boosting DC/DC
Controller uses CE8301.
5. according to claim 1 based on the self-charging wireless mouse of thermo-electric generation, it is characterised in that: the boosting pressure stabilizing mould
Block input terminal VCC-IN divide two-way, is connected by resistance R1 with light emitting diode D1 be followed by the VSS of boosting DC/DC controller all the way
End；Another way meets boosting Voltage stabilizing module output end VCC-OUT by inductance L1 and Schottky diode D2；The DC/DC that boosts is controlled
Between the end LX the Jie inductance L1 and Schottky diode D2 of device, the end Vout of boosting DC/DC controller directly connects steady in boosting
Die block output end VCC-OUT；The end the VSS ground connection of boosting DC/DC controller, boosting Voltage stabilizing module output end VCC-OUT pass through
Electrolytic capacitor C2 ground connection；Filter capacitor C1 with connect after resistance R1 and light emitting diode D1 it is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305319.XA CN109508103A (en) | 2018-11-05 | 2018-11-05 | Self-charging wireless mouse based on thermo-electric generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305319.XA CN109508103A (en) | 2018-11-05 | 2018-11-05 | Self-charging wireless mouse based on thermo-electric generation |
Publications (1)
| Publication Number | Publication Date |
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| CN109508103A true CN109508103A (en) | 2019-03-22 |
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| CN201811305319.XA Pending CN109508103A (en) | 2018-11-05 | 2018-11-05 | Self-charging wireless mouse based on thermo-electric generation |
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Application publication date: 20190322 |