CN211151605U - Battery temperature control grading charging circuit powered by current collecting battery, super capacitor and USB - Google Patents
Battery temperature control grading charging circuit powered by current collecting battery, super capacitor and USB Download PDFInfo
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- CN211151605U CN211151605U CN201922157568.5U CN201922157568U CN211151605U CN 211151605 U CN211151605 U CN 211151605U CN 201922157568 U CN201922157568 U CN 201922157568U CN 211151605 U CN211151605 U CN 211151605U
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Abstract
The utility model relates to a technical field that charges discloses the hierarchical charging circuit of battery control by temperature change of collecting battery, super capacitor and USB power supply, and this circuit includes 3 ways power supply switching circuit, 3 ways power supply switching circuit include battery supply circuit of the same kind, super capacitor supply circuit of the same kind, USB power supply circuit of the same kind, and this hierarchical charging circuit of battery control by temperature change still includes that USB power gives super capacitor charging circuit and USB power and gives the hierarchical charging circuit of battery control by temperature change. The circuit realizes that a plurality of power supplies supply power to a machine through switching of the mos tube and the diode, better solves the compatibility of the plurality of power supplies of equipment and expands the power supply mode of the equipment; simultaneously, through the detection of the NTC and the MCU, the charging current of the battery in different temperature environments is automatically controlled, the state is displayed through the switching lamp of the triode, the normal use of the battery in severe high and low temperature environments is realized, meanwhile, the use of different charging ICs is compatible, and the use cost is reduced.
Description
Technical Field
The utility model relates to a technical field that charges, specific battery control by temperature change grading charging circuit that relates to collecting battery, super capacitor and USB power supply that says so.
Background
With the development of electronic science and technology, more and more electronic devices appear in the life of people, but most of the devices only support the power supply of a battery and a USB power supply or a super capacitor and the power supply of the USB power supply, but do not support the power supply of the battery, the super capacitor and the USB power supply, and the devices supporting the power supply of the battery do not support the multi-level control of the charging current of the battery along with the change of the environmental temperature and the battery temperature, so that the battery fault (mainly battery bloating) is easy to occur during the charging in the high and low temperature environment; meanwhile, the compatibility of the charging circuit of the charging equipment on different charging ICs is poor at present, so that some charging indication lamps of the charging ICs are turned off when the battery is fully charged, and some charging indication lamps are not turned off. Therefore, the charging circuit of the prior art has certain limitations.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the to-be-solved technical problem of the utility model lies in providing the hierarchical charging circuit of battery control by temperature change of collecting battery, super capacitor and USB power supply.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the battery temperature control grading charging circuit comprises a 3-path power supply switching circuit, wherein the 3-path power supply switching circuit comprises a path of battery power supply circuit, a path of super capacitor power supply circuit and a path of USB power supply circuit, and the battery temperature control grading charging circuit also comprises a USB power supply super capacitor charging circuit and a USB power supply battery temperature control grading charging circuit.
Further, the battery power supply circuit comprises a battery piece, a thermistor, a capacitor and mos tubes, the super capacitor power supply circuit comprises a super capacitor, a diode and a plurality of conventional capacitors, the USB power supply circuit comprises a USB connector and a diode, the USB power supply circuit comprises a plurality of resistors, capacitors and mos tubes for the super capacitor charging circuit, and the USB power supply circuit comprises a plurality of mos tubes, triodes, diodes, a charging IC, resistors and capacitors for the battery temperature control grading charging circuit.
Further, the number of the super capacitors is two, and the two super capacitors are connected in series.
Furthermore, the USB power supply is connected with the super capacitor charging circuit and the USB power supply circuit.
Furthermore, the USB power supply is connected with the battery temperature control grading charging circuit and the USB power supply circuit.
Compared with the prior art, the beneficial effects of the utility model are that: the circuit of the utility model realizes the automatic switching power supply of the battery, the super capacitor and the USB power supply for the machine through the switching of the mos tube and the diode, better solves the compatibility of the multipath power supply of the equipment and expands the power supply mode of the equipment; meanwhile, through the detection of the NTC and the MCU, the charging current of the battery in different temperature environments is automatically controlled, the state is displayed through the switching lamp of the triode, the normal use of the battery in severe high and low temperature environments is realized, and the problem of the incompatibility defect of a charging circuit in the prior art to different charging ICs is solved.
Drawings
Fig. 1 is a circuit general diagram of a battery temperature control step charging circuit for a current collecting battery, a super capacitor and a USB power supply of the present invention;
fig. 2 is a circuit diagram of the super capacitor charging circuit with the 3-way power supply switching circuit and the USB power supply of the present invention;
fig. 3 is the circuit diagram of the battery temperature-controlled charging stage of the USB power supply of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making the scope of the present invention more clearly defined.
Referring to the attached drawing 1, figure 1 is the utility model discloses the circuit general diagram of the hierarchical charging circuit of battery control by temperature change of collecting battery, super capacitor and USB power supply, the utility model discloses a hierarchical charging circuit of battery control by temperature change of collecting battery, super capacitor and USB power supply, including 3 way power supply switching circuit, 3 way power supply switching circuit include battery supply circuit all the way, super capacitor supply circuit all the way, USB power supply circuit all the way, and this hierarchical charging circuit of battery control by temperature change still includes that the USB power gives super capacitor charging circuit and USB power and gives the hierarchical charging circuit of battery control by temperature change.
The battery supply circuit includes battery piece, thermistor, electric capacity and mos pipe, the utility model discloses a super capacitor supply circuit includes 2 series connection's super capacitor, diode and a plurality of conventional electric capacity, and USB power supply circuit includes USB joint and diode, and the USB power includes a plurality of resistances, electric capacity and mos pipe for super capacitor charging circuit, and the USB power includes a plurality of mos pipes, triode, diode, the IC and resistance capacitance that charge for the hierarchical charging circuit of battery control by temperature change.
In order to realize that the USB power supply charges the super capacitor, the utility model discloses a USB power supply charges the circuit and is connected with USB power supply circuit for the super capacitor; in order to realize that the USB power supply charges for battery control, the utility model discloses a USB power supply is connected with USB power supply circuit for battery control by temperature change charging circuit in grades.
Referring to fig. 2, fig. 2 is a circuit diagram of the super capacitor charging circuit supplied by the 3-way power supply switching circuit and the USB power supply of the present invention, wherein V _ USB is powered on, and supplies power to the system main power PWR through D1, and cuts off the mos tube Q1 through Q3, so that the battery is not powered and only uses the external power of USB; meanwhile, the V _ USB charges super capacitors C5 and C6 through R1, R2 and R3, when the USB is unplugged, the super capacitors C5 and C6 supply power to the system total power PWR through Q2, and simultaneously cut off the power supply of a battery through R1, R2, R3 and Q1; when the voltages of the super capacitors C5 and C6 are too low, the Q1 is conducted, and the battery recovers to supply power to the total power PWR of the system; because the electric quantity of the super capacitor is relatively small, the battery quickly discharges the super capacitor through R5, C10, Q4 and R4, so that the battery quickly restores to supply power to the total power PWR of the system. By the method, automatic switching of battery power supply, super capacitor power supply and USB power supply is realized, the compatibility problem of multi-path power supply is solved, and the power supply mode of the equipment is expanded.
Referring to fig. 3, fig. 3 is a circuit diagram of the USB power supply for battery temperature-controlled charging according to the present invention, wherein V _ USB is powered on, and U1-charging IC is powered through D2, so as to charge the battery through U1 th pin 10, R9 is used to set the charging current, when the ambient temperature changes, the resistance of R109 changes accordingly, so as to divide the voltage through R109 and R110 resistors, and the ADC port of U2-MCU detects the change of voltage, thereby determining the change of temperature, and controlling Q5, and turning on and off Q6, so as to control the resistance of U1 th pin 6 to ground, thereby controlling the change of charging current, so as to reduce the large current charging of the battery under high temperature environment, thereby solving the problem of high temperature battery bloating, and detecting the change of the battery NTC through U1 th pin 9 to detect the temperature of the battery itself, thereby controlling the battery to turn off at 0 degree and 60 degree, thereby improving the battery life, and avoiding the problem of high temperature battery charging when the battery is charged, the third pin of U1 is low level, Q9 is not turned on, Q6862, thereby the charging lamp is turned on, and when the battery is not turned on, the full charge lamp is used as U7, thereby the full charge lamp 7, and the full charge lamp 7, thereby the full charge lamp is not displaying the full charge lamp 367, and no full charge lamp 367, when the full charge lamp is used, no full charge lamp 367 is used, no more than no full charge lamp 367, no more than the full charge lamp 367, no more than the full charge lamp 368672, no more than.
The utility model realizes the power supply of the battery to the instruments such as the automobile data recorder and the like under the condition of pure hardware configuration, the super capacitor supplies power to the instruments such as the automobile data recorder and the like, and the USB power supply supplies power to the instruments such as the automobile data recorder and the like; under the premise of MCU detection control, controllable charging (large current charging, small current charging and closed charging) of the battery under different temperature environments is realized.
In summary, the utility model has the advantages that the compatibility of multi-path power supply of the equipment and the temperature control grading control of the battery are well solved, and the normal use of the battery in severe high and low temperature environment is realized; the circuit is compatible with different charging ICs, and the use cost is reduced.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. Battery control by temperature change hierarchical charging circuit of collecting battery, super capacitor and USB power supply, its characterized in that: the battery temperature control hierarchical charging circuit comprises a 3-path power supply switching circuit, wherein the 3-path power supply switching circuit comprises a path of battery power supply circuit, a path of super-capacitor power supply circuit and a path of USB power supply circuit, and the battery temperature control hierarchical charging circuit also comprises a USB power supply for the super-capacitor charging circuit and a USB power supply for the battery temperature control hierarchical charging circuit.
2. The battery, supercapacitor and USB powered temperature controlled stepped charging circuit according to claim 1, wherein: the battery power supply circuit comprises a battery piece, a thermistor, a capacitor and mos tubes, the super capacitor power supply circuit comprises a super capacitor, a diode and a plurality of conventional capacitors, the USB power supply circuit comprises a USB connector and a diode, the USB power supply comprises a plurality of resistors, capacitors and mos tubes for the super capacitor charging circuit, and the USB power supply comprises a plurality of mos tubes, triodes, diodes, charging ICs, resistors and capacitors for the battery temperature control grading charging circuit.
3. The battery, supercapacitor and USB powered temperature controlled stepped charging circuit according to claim 2, wherein: the number of the super capacitors is two, and the two super capacitors are connected in series.
4. The battery, supercapacitor and USB powered temperature controlled stepped charging circuit according to claim 1, wherein: and the USB power supply is connected with the super capacitor charging circuit and the USB power supply circuit.
5. The battery, supercapacitor and USB powered temperature controlled stepped charging circuit according to claim 1, wherein: the USB power supply is connected with the battery temperature control grading charging circuit and the USB power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157568.5U CN211151605U (en) | 2019-12-05 | 2019-12-05 | Battery temperature control grading charging circuit powered by current collecting battery, super capacitor and USB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157568.5U CN211151605U (en) | 2019-12-05 | 2019-12-05 | Battery temperature control grading charging circuit powered by current collecting battery, super capacitor and USB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211151605U true CN211151605U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922157568.5U Active CN211151605U (en) | 2019-12-05 | 2019-12-05 | Battery temperature control grading charging circuit powered by current collecting battery, super capacitor and USB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211151605U (en) |
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2019
- 2019-12-05 CN CN201922157568.5U patent/CN211151605U/en active Active
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