CN207588535U - A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference - Google Patents
A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference Download PDFInfo
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- CN207588535U CN207588535U CN201721768786.7U CN201721768786U CN207588535U CN 207588535 U CN207588535 U CN 207588535U CN 201721768786 U CN201721768786 U CN 201721768786U CN 207588535 U CN207588535 U CN 207588535U
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- circuit
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- direct current
- temperature difference
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Abstract
The utility model provides a kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference, reduce circuit, voltage boosting and stabilizing circuit, antioverloading circuit and voltage stabilizing output interface including temperature difference DC output interface, filter circuit, impedance, the input terminal of filter circuit and the input terminal of antioverloading circuit are electrically connected with temperature difference DC output interface, the boosted regulator circuit of output terminal of filter circuit reduces circuit with the impedance and is electrically connected, and the output terminal of the antioverloading circuit reduces circuit by the impedance and is electrically connected with the voltage stabilizing output interface.The utility model is filtered by the direct current that filter circuit exports thermoelectric cell group, boosting filtering is carried out to filtered direct current in boosted regulator circuit, impedance reduction circuit and antioverloading circuit to export into the direct current to charge for mobile phone in voltage stabilizing, so as to solve the problems, such as that thermoelectric cell group output DC voltage is smaller and unstable, and then meets the stability requirement of lithium ion battery charging circuit.
Description
Technical field
The utility model is related to arrive electronic circuit field more particularly to a kind of boosting voltage stabilizing charged based on the mobile phone temperature difference
Circuit.
Background technology
Mobile phone indispensable means of communication in having become for people's lives, mobile phone is all lithium battery power supply at present, in the wild
In the case that mobile phone is without electricity, mobile phone at any time may out of power, bring many inconvenience to real user, it is total between human body and environment through studying
It is there are the temperature difference, can realizes that, in real time to the charging of mobile phone, temperature difference power technology is also environmentally protective hair using temperature difference power technology
Power technology is a kind of new energy alternative, is to convert thermal energy into electric energy using partly leading thermoelectric cell group, generates direct current
It charges the phone.
But since the voltage that semiconductor temperature difference battery generates is smaller, and it is unstable due to environment temperature, the temperature difference is difficult
Stablize, then the DC voltage that semiconductor temperature difference battery group generates is difficult to stablize, and is unsatisfactory for wanting for lithium ion battery charging circuit
It asks, therefore, at this moment just needs to provide a kind of voltage boosting and stabilizing circuit to charge based on the mobile phone temperature difference.
Utility model content
The utility model provides a kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference, by first to temperature difference direct current output
Direct current be filtered, reduce circuit in boosted regulator circuit and impedance direct current increased into voltage stabilizing again and export pairs of mobile phone
Chargeable direct current, come the above problem solved.
To solve the above problems, the technical scheme that the utility model is provided is as follows：
A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference, including temperature difference DC output interface, filter circuit, impedance
Reduce circuit, voltage boosting and stabilizing circuit, antioverloading circuit and voltage stabilizing output interface, the input terminal of the filter circuit and the anti-mistake
The input terminal for carrying circuit is electrically connected with the temperature difference DC output interface, and the output terminal of the filter circuit is steady through the boosting
Volt circuit reduces circuit with the impedance and is electrically connected, and the output terminal of the antioverloading circuit reduces circuit and institute by the impedance
State the electrical connection of voltage stabilizing output interface.
Preferably, the filter circuit includes light emitting diode, capacitance C3, resistance R7, resistance R5, inductance L1, diode
VD2 and diode VD1；The light emitting diode, the capacitance C3 and the adjacent the two parallel connections of the resistance R7 pass through described two again
Pole pipe VD2 connects with one end of the resistance R5, and the other end of the anode of the capacitance C3 and the resistance R5 are connected in parallel on
The both ends of the inductance L1, the other end of the resistance R5 are electrically connected with one end of the diode VD1.
Further, the voltage boosting and stabilizing circuit includes direct current transducer and metal-oxide-semiconductor；The impedance reduces circuit and includes first
Impedance reduces circuit and the second impedance and reduces circuit, and first impedance reduces circuit and includes capacitance C2, resistance R3, and described second
Impedance reduces circuit and includes resistance R1 and capacitance C4；The antioverloading circuit includes resistance R6, triode VQ1 and resistance R4；Institute
It states voltage stabilizing output interface and includes direct current output VOUT+, direct current output VOUT-, capacitance C5 and resistance R2；
Anode of pin VDD and pin CE the elder generation short circuit of the direct current transducer again with the capacitance C2 is connect, the electricity
Hold the cathode ground connection of C2, the anode of the capacitance C2 is connect with one end of the resistance R3, the other end of the resistance R3 and institute
State the other end electrical connection of diode VD1；The pin LX and pin EXT of the direct current transducer sources with the metal-oxide-semiconductor respectively
Pole S is connected with grid G, and the pin GND of the direct current transducer and the drain D of the metal-oxide-semiconductor are grounded, and the capacitance C4 is just
Pole is electrically connected with the other end of the one end of the resistance R1 with the diode VD1, the cathode and the electricity of the capacitance C4
Resistance R1 other ends short circuit is connect again with the pin FB of the direct current transducer；One end of the resistance R6 and the temperature difference direct current are defeated
Outgoing interface connects, and the resistance R6 other ends are connect with the base stage of the triode VQ1, and the emitter of the triode VQ1 leads to
It crosses resistance R4 to be grounded, one end of the collector of the triode VQ1 and the resistance R2 are electrically connected with the direct current output VOUT-
It connects, the other end of the resistance R2 is electrically connected with the cathode of the capacitance C4, the anode of the capacitance C4 and the capacitance C5's
Anode is electrically connected with the direct current output VOUT-, the cathode ground connection of the capacitance C5.
It is relative to the advantageous effect of the prior art, using the above scheme, the utility model is by filter circuit to the temperature difference
The direct current of battery pack output is filtered, after boosted regulator circuit, impedance reduce circuit and antioverloading circuit to filtering
Direct current boost in voltage stabilizing output into the direct current to charge for mobile phone, so as to solve thermoelectric cell group output direct current
The problem of piezoelectric voltage is smaller and unstable, and then meet the stability requirement of lithium ion battery charging circuit.
Description of the drawings
Illustrate embodiment or technical solution of the prior art in order to clearer, it below will be to embodiment or the prior art
The required attached drawing used is briefly described in description, it is clear that, the accompanying drawings in the following description is only the one of utility model
A little embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the integrated connection schematic diagram of the utility model.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different
Form is realized, however it is not limited to this specification described embodiment.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " integrated molding ",
For illustrative purposes only, the similar unit of structure is to identical label in the figure for "left", "right" and similar statement
Mark.
Unless otherwise defined, the skill of technical and scientific term all used in this specification with belonging to the utility model
The normally understood meaning of technical staff in art field is identical.In the art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.
As shown in Figure 1, the embodiment 1 of the utility model is：
A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference, including temperature difference DC output interface, filter circuit, impedance
Reduce circuit, voltage boosting and stabilizing circuit, antioverloading circuit and voltage stabilizing output interface, the input terminal of the filter circuit and the anti-mistake
The input terminal for carrying circuit is electrically connected with the temperature difference DC output interface, and the output terminal of the filter circuit is steady through the boosting
Volt circuit reduces circuit with the impedance and is electrically connected, and the output terminal of the antioverloading circuit reduces circuit and institute by the impedance
State the electrical connection of voltage stabilizing output interface.
Embodiment 2, the filter circuit include Light-emitting diode LED, capacitance C3, resistance R7, resistance R5, inductance L1, two
Pole pipe VD2 and diode VD1；The direct current Vin of thermoelectric cell group output is filtered after first passing through capacitance C1 voltage stabilizings in filtered circuit
Wave, Light-emitting diode LED, the capacitance C3 and the adjacent the two parallel connections of the resistance R7 pass through diode VD2 and the resistance again
The other end of one end series connection of resistance R5, the anode of the capacitance C3 and the resistance R5 are connected in parallel on the both ends of the inductance L1,
The other end of the resistance R5 is electrically connected with one end of diode VD1.Further, diode VD1 can be SS14 diodes, have
Unilateral conduction, reversed time are extremely short.
Further, the voltage boosting and stabilizing circuit includes direct current transducer U1 and metal-oxide-semiconductor；The impedance reduces circuit and includes the
One impedance reduces circuit and the second impedance and reduces circuit, and first impedance reduces circuit and includes capacitance C2, resistance R3, and described the
Two impedances reduce circuit and include resistance R1 and capacitance C4；The antioverloading circuit includes resistance R6, triode VQ1 and resistance R4；
The voltage stabilizing output interface includes direct current output VOUT+, direct current output VOUT-, capacitance C5 and resistance R2；Further, metal-oxide-semiconductor can
For SPN3414 type field-effect tube, triode VQ1 can be 9013 type triodes.
Embodiment 3, pin VDD and pin CE the elder generation short circuit of the direct current transducer U1 connect again with the anode of the capacitance C2
It connects, the cathode ground connection of the capacitance C2, the anode of the capacitance C2 is connect with one end of the resistance R3, and the resistance R3's is another
One end is electrically connected with the other end of the diode VD1；The pin LX and pin EXT of the direct current transducer U1 respectively with it is described
The source S of metal-oxide-semiconductor is connected with grid G, and the pin GND of the direct current transducer U1 and the drain D of the metal-oxide-semiconductor are grounded, institute
The anode for stating capacitance C4 is electrically connected with the other end of the one end of the resistance R1 with the diode VD1, the capacitance C4's
The pin FB of cathode and the resistance R1 other ends short circuit again with the direct current transducer U1 is connect；One end of the resistance R6 with
The temperature difference DC output interface Vin connections, the resistance R6 other ends are connect with the base stage of the triode VQ1, and described three
The emitter of pole pipe VQ1 is grounded by resistance R4, one end of the collector of the triode VQ1 and the resistance R2 with it is described
Direct current output VOUT- is electrically connected, and the other end of the resistance R2 is electrically connected with the cathode of the capacitance C4, and the capacitance C4 is just
The anode of pole and the capacitance C5 are electrically connected with the direct current output VOUT-, the cathode ground connection of the capacitance C5.
Operation principle：The direct current of thermoelectric cell group output first first passes through electric capacity of voltage regulation C1 voltage stabilizings, by by inductance
The filter circuit of L1 and capacitance C3 combinations is filtered, the liter that filtered direct current is formed via direct current transducer and metal-oxide-semiconductor
Volt circuit is converted into the voltage to meet mobile phone power supply, and simultaneously, the voltage after boosting can reduce after impedance reduces circuit
The impedance of high-frequency signal, filters again, subsequent filtered voltage again through the capacitance C5 in voltage stabilizing output interface and resistance R2 into
Row voltage stabilizing, the direct current after voltage stabilizing are exported through direct current output VOUT+, direct current output VOUT-, and antioverloading circuit can be to whole boosting
Regulator circuit is protected.
It is relative to the advantageous effect of the prior art, using the above scheme, the utility model is by filter circuit to the temperature difference
The direct current of battery pack output is filtered, after boosted regulator circuit, impedance reduce circuit and antioverloading circuit to filtering
Direct current boost in voltage stabilizing output into the direct current to charge for mobile phone, so as to solve thermoelectric cell group output direct current
The problem of piezoelectric voltage is smaller and unstable, and then meet the stability requirement of lithium ion battery charging circuit.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the range of the utility model specification record；It also, for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations should all belong to the protection model of the appended claims for the utility model
It encloses.
Claims (3)
1. a kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference, it is characterised in that：Including temperature difference DC output interface, filtering
Circuit, impedance reduce circuit, voltage boosting and stabilizing circuit, antioverloading circuit and voltage stabilizing output interface, the input terminal of the filter circuit
It is electrically connected with the input terminal of the antioverloading circuit with the temperature difference DC output interface, the output terminal warp of the filter circuit
The voltage boosting and stabilizing circuit reduces circuit with the impedance and is electrically connected, and the output terminal of the antioverloading circuit subtracts by the impedance
Small circuit is electrically connected with the voltage stabilizing output interface.
2. according to the voltage boosting and stabilizing circuit to be charged based on the mobile phone temperature difference described in claim 1, it is characterised in that：The filtering
Circuit includes light emitting diode, capacitance C3, resistance R7, resistance R5, inductance L1, diode VD2 and diode VD1；It is described to shine
Diode, the capacitance C3 and the adjacent the two parallel connections of the resistance R7 pass through the diode VD2 and the resistance R5 again
One end series connection, the other end of the anode of the capacitance C3 and the resistance R5 is connected in parallel on the both ends of the inductance L1, the electricity
The other end of resistance R5 is electrically connected with one end of the diode VD1.
3. according to the voltage boosting and stabilizing circuit to be charged based on the mobile phone temperature difference described in claim 2, it is characterised in that：The boosting
Regulator circuit includes direct current transducer and metal-oxide-semiconductor；The impedance reduces circuit and includes the first impedance reduction circuit and the second impedance
Reduce circuit, first impedance reduces circuit and includes capacitance C2, resistance R3, and second impedance reduces circuit and includes resistance R1
With capacitance C4；The antioverloading circuit includes resistance R6, triode VQ1 and resistance R4；The voltage stabilizing output interface includes direct current
Export VOUT+, direct current output VOUT-, capacitance C5 and resistance R2；Pin VDD and pin CE the elder generation short circuit of the direct current transducer
The anode with the capacitance C2 is connect again, and the cathode ground connection of the capacitance C2, the anode of the capacitance C2 is with the resistance R3's
One end connects, and the other end of the resistance R3 is electrically connected with the other end of the diode VD1；The pin of the direct current transducer
LX and pin EXT are connect respectively with the source S of the metal-oxide-semiconductor and grid G, the pin GND and the MOS of the direct current transducer
The drain D of pipe is grounded, and the anode of the capacitance C4 and one end of the resistance R1 are electric with the other end of the diode VD1
Connection, the cathode of the capacitance C4 and the resistance R1 other ends short circuit are connect again with the pin FB of the direct current transducer；Institute
The one end for stating resistance R6 is connect with the temperature difference DC output interface, the base of the resistance R6 other ends and the triode VQ1
Pole connects, and the emitter of the triode VQ1 is grounded by resistance R4, the collector of the triode VQ1 and the resistance R2
One end be electrically connected with the direct current output VOUT-, the other end of the resistance R2 is electrically connected with the cathode of the capacitance C4,
The anode of the anode of the capacitance C4 and the capacitance C5 are electrically connected with the direct current output VOUT-, and the capacitance C5's is negative
Pole is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768786.7U CN207588535U (en) | 2017-12-18 | 2017-12-18 | A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768786.7U CN207588535U (en) | 2017-12-18 | 2017-12-18 | A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588535U true CN207588535U (en) | 2018-07-06 |
Family
ID=62739068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721768786.7U Expired - Fee Related CN207588535U (en) | 2017-12-18 | 2017-12-18 | A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769358A (en) * | 2017-12-18 | 2018-03-06 | 许昌学院 | A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference |
-
2017
- 2017-12-18 CN CN201721768786.7U patent/CN207588535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769358A (en) * | 2017-12-18 | 2018-03-06 | 许昌学院 | A kind of voltage boosting and stabilizing circuit based on the charging of the mobile phone temperature difference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20181218 |