CN209016762U - A kind of charge and discharge control low-tension supply - Google Patents
A kind of charge and discharge control low-tension supply Download PDFInfo
- Publication number
- CN209016762U CN209016762U CN201822018881.6U CN201822018881U CN209016762U CN 209016762 U CN209016762 U CN 209016762U CN 201822018881 U CN201822018881 U CN 201822018881U CN 209016762 U CN209016762 U CN 209016762U
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- discharge
- charge
- circuit
- lithium battery
- module
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Abstract
The utility model discloses a kind of charge and discharge control low-tension supply, including lithium battery, charge circuit, discharge loop and control section；There are two the lithium battery is set, the charge circuit and discharge loop are respectively provided with two groups, two groups of charge circuits share an input interface, two groups of discharge loops share an output interface, it can be by double lithium batteries and two charging circuits, two lithium batteries staggeredly carry out charge and discharge, increase the service life of low-tension supply, double lithium batteries and two charging circuits can guarantee in certain output voltage shakiness all the way simultaneously, it is exported using another way, control section is arranged simultaneously can be realized the on-off that this product automatically controls two-way charging and discharging circuit, two lithium batteries of realization staggeredly carry out charge and discharge automatically in turn and realization being capable of automatic switching loop progress burning voltage output.The service life is longer for the utility model, and output voltage is more stable.
Description
Technical field
The utility model relates to low-tension supply fields, and in particular to a kind of charge and discharge control low-tension supply.
Background technique
For pressure common power supply in charge and discharge process, charging and discharging circuit is always maintained at ON operation, this is a kind of
Low-tension supply internal cell is excessively used, is to influence the service life of low-tension supply, while low-tension supply is in power supply process
It is middle to need to maintain stable output voltage, cause to export since battery or other circuit parts go wrong in many cases,
Voltage instability influences electrical equipment.Therefore these aspects is needed to need to improve.
Chinese Patent Application No.: 201720020444.0 disclose a kind of low-tension supply, include lithium battery, li-ion cell protection
Module, decompression charge management module, step-up discharge module, input interface and the output interface for exporting low voltage；It should
Lithium battery protection module connects lithium battery, and the decompression charge management module and step-up discharge module are all connected with li-ion cell protection mould
Block, input interface connection decompression charge management module, output interface connect step-up discharge module.By using lithium battery, match
Closing can charge to lithium battery using lithium battery protection module, decompression charge management module and input interface, and cooperation utilizes lithium
Battery protection module, step-up discharge module and output interface can discharge to lithium battery, realize low pressure output, so that
The product can be repeated several times use, reduce use cost, and be not in leakage electrolyte using lithium battery, production pollution
It is small.
Summary of the invention
The purpose of this utility model is to provide a kind of charge and discharge control low-tension supplies, pass through double lithium batteries and double charge and discharge
Circuit can make two lithium batteries staggeredly carry out charge and discharge, increase the service life of low-tension supply, while double lithium batteries are filled with double
Discharge loop can guarantee to be exported using another way, while control section energy is arranged in certain output voltage shakiness all the way
It enough realizes that this product automatically controls the on-off of two-way charging and discharging circuit, and then realizes that two lithium batteries are staggeredly automatic and carry out charge and discharge
And realization being capable of automatic switching loop progress burning voltage output.The service life is longer for the utility model, and output voltage is more stable.
A kind of charge and discharge control low-tension supply, including lithium battery, charge circuit, discharge loop and control section；The lithium
There are two battery is set, the charge circuit and discharge loop are respectively provided with two groups, and two groups of charge circuits share an input interface, and two
Group discharge loop shares an output interface；
The charge circuit includes charging circuit and switching circuit, and input adapter connects charging circuit, charging circuit connection
Switching circuit, switching circuit connect lithium battery；
The discharge loop includes switching circuit, pressure stabilizing discharge module and voltage detection module, and the lithium battery connection is opened
Powered-down road, switching circuit connect pressure stabilizing discharge module, and pressure stabilizing discharge module connects output interface after passing through voltage detection module；
Charge circuit and discharge loop collectively constitute a complete charging and discharging circuit.
The control section includes electric power detection module and control module, the electric power detection module and two lithium battery phases
Even, the electric power detection module and voltage detection module link control module, the control module also with opening in each circuit
Circuit connection is closed, and control module controls the on-off of the switching circuit in each circuit.
Switching circuit includes 4,4 switching circuit 1, switching circuit 2, switching circuit 3 and switching circuit switching circuit difference
It is controlled by control module.
When some electric quantity of lithium battery reaches 100%, electric power detection module detects this numerical value and transmits a signal to control
Molding block, control module then control the switching circuit in the charge circuit where the lithium battery and disconnect, and stopping is filled to the lithium battery
Electricity, when electric quantity of lithium battery is lower than 10%, electric power detection module detects this numerical value and transmits a signal to control module, control
Module then controls the switching circuit closure in the charge circuit where the lithium battery, restarts to give lithium battery charging；
Two lithium batteries are staggeredly powered, while the output voltage of the voltage detection module constant testing discharge loop, when this
When the output voltage in circuit is too low, then control module is transmitted a signal to, control module controls the switching circuit in the discharge loop
Disconnect while controlling the switching circuit closure of another discharge loop.
Preferably, the switching circuit is equipped with 4 groups altogether, is connected to the input terminal and output end of two lithium batteries, and 4 groups
Switching circuit is identical and connect respectively with control module.
Preferably, the pressure stabilizing discharge module uses the constant current mode PWM boosting IC of model SD6271, and output voltage is
5V。
Preferably, the output interface is USB output interface.
Preferably, the lithium battery is ter-polymers lithium battery.
Utility model has the advantages that can be by double lithium batteries and two charging circuits, two lithium batteries interlock
Carry out charge and discharge, increase the service life of low-tension supply, at the same double lithium batteries and two charging circuits can guarantee certain all the way
It when output voltage shakiness, is exported using another way, while control section is set and can be realized this product automatic control two-way
The on-off of charging and discharging circuit, so realize two lithium batteries staggeredly it is automatic carry out charge and discharge and realize can automatic switching loop into
The output of row burning voltage.The service life is longer for the utility model, and output voltage is more stable.
Detailed description of the invention
Fig. 1 is the structural schematic block diagram of utility model device；
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the present invention is further explained.
As shown in Figure 1, a kind of charge and discharge control low-tension supply, including lithium battery, charge circuit, discharge loop and control unit
Point；There are two the lithium battery is set, the charge circuit and discharge loop are respectively provided with two groups, and two groups of charge circuits shared one defeated
Incoming interface, two groups of discharge loops share an output interface；
Two lithium batteries staggeredly carry out charge and discharge, increase the service life of low-tension supply,
The charge circuit includes charging circuit and switching circuit, and input adapter connects charging circuit, charging circuit connection
Switching circuit, switching circuit connect lithium battery；
The discharge loop includes switching circuit, pressure stabilizing discharge module and voltage detection module, and the lithium battery connection is opened
Powered-down road, switching circuit connect pressure stabilizing discharge module, and pressure stabilizing discharge module connects output interface after passing through voltage detection module；
Double lithium batteries and two charging circuits can guarantee to carry out using another way defeated in certain output voltage shakiness all the way
Out.
The control section includes electric power detection module and control module, the electric power detection module and two lithium battery phases
Even, the electric power detection module and voltage detection module link control module, the control module also with opening in each circuit
Circuit connection is closed, and control module controls the on-off of the switching circuit in each circuit.
Control section can be realized the on-off that this product automatically controls two-way charging and discharging circuit, and then realize two lithium batteries
Charge and discharge are staggeredly carried out automatically and realization being capable of automatic switching loop progress burning voltage output.
The switching circuit is equipped with 4 groups altogether, is connected to the input terminal and output end of two lithium batteries, 4 groups of switch electricity
Road is identical and connect respectively with control module.
The pressure stabilizing discharge module uses constant current mode PWM the boosting IC, output voltage 5V of model SD6271.
The output interface is USB output interface.
The lithium battery is ter-polymers lithium battery.
Specific embodiment and principle:
After lithium battery is charged, when some electric quantity of lithium battery reaches 100%, electric power detection module detects this number
It is worth and transmits a signal to control module, the switching circuit that control module then controls in the charge circuit where the lithium battery disconnects,
Stop charging to the lithium battery, when electric quantity of lithium battery is lower than 10%, electric power detection module detects this numerical value and conveying letter
Number give control module, control module then controls the switching circuit closure in the charge circuit where the lithium battery, restart to
Lithium battery charging；
Two lithium batteries are staggeredly powered, and when one of lithium battery charges, another lithium battery is powered, when the power supply
When electric quantity of lithium battery is lower than 10%, the charge circuit that control module controls the power supply lithium battery is opened and disconnects the power supply lithium battery
Discharge loop, while another lithium battery discharge loop unlatching be powered；
The output voltage of discharge loop when voltage detection module constant testing lithium battery electric discharge simultaneously, when the discharge loop
Output voltage it is too low when, then transmit a signal to control module, control module controls the disconnection of the switching circuit in the discharge loop
The switching circuit closure of the discharge loop of another lithium battery is controlled simultaneously.
Cause discharge loop where the lithium battery that can not export stable electricity when there is a certain lithium battery damage or other reasons
When pressure, control module control controls the charge circuit of the power supply lithium battery and discharge loop is opened simultaneously, carries out urgent charge and discharge
Mode.
Based on above-mentioned, the utility model can be by double lithium batteries and two charging circuits, two lithium batteries staggeredly into
Row charge and discharge, increase the service life of low-tension supply, at the same double lithium batteries and two charging circuits can guarantee it is defeated all the way at certain
Out when voltage instability, exported using another way, at the same be arranged control section can be realized this product automatically control two-way fill
The on-off of discharge loop, and then two lithium batteries of realization staggeredly carry out charge and discharge automatically and realization being capable of automatic switching loop progress
Burning voltage output.The service life is longer for the utility model, and output voltage is more stable.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (5)
1. a kind of charge and discharge control low-tension supply, which is characterized in that including lithium battery, charge circuit, discharge loop and control unit
Point；There are two the lithium battery is set, the charge circuit and discharge loop are respectively provided with two groups, and two groups of charge circuits shared one defeated
Incoming interface, two groups of discharge loops share an output interface；
The charge circuit includes charging circuit and switching circuit, and input adapter connects charging circuit, charging circuit connection switch
Circuit, switching circuit connect lithium battery；
The discharge loop includes switching circuit, pressure stabilizing discharge module and voltage detection module, the lithium battery connection switch electricity
Road, switching circuit connect pressure stabilizing discharge module, and pressure stabilizing discharge module connects output interface after passing through voltage detection module；
The control section includes electric power detection module and control module, and the electric power detection module is connected with two lithium batteries,
The electric power detection module and voltage detection module link control module, the control module are also electric with the switch in each circuit
Road connection, and control module controls the on-off of the switching circuit in each circuit.
2. a kind of charge and discharge control low-tension supply according to claim 1, it is characterised in that: the switching circuit is equipped with altogether
4 groups, be connected to the input terminal and output end of two lithium batteries, 4 groups of switching circuits it is identical and respectively with control module
Connection.
3. a kind of charge and discharge control low-tension supply according to claim 1, it is characterised in that: the pressure stabilizing discharge module is adopted
With constant current mode PWM the boosting IC, output voltage 5V of model SD6271.
4. a kind of charge and discharge control low-tension supply according to claim 1, it is characterised in that: the output interface is USB
Output interface.
5. a kind of charge and discharge control low-tension supply according to claim 1, it is characterised in that: the lithium battery is poly- for ternary
Close object lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018881.6U CN209016762U (en) | 2018-12-04 | 2018-12-04 | A kind of charge and discharge control low-tension supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018881.6U CN209016762U (en) | 2018-12-04 | 2018-12-04 | A kind of charge and discharge control low-tension supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016762U true CN209016762U (en) | 2019-06-21 |
Family
ID=66843510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822018881.6U Expired - Fee Related CN209016762U (en) | 2018-12-04 | 2018-12-04 | A kind of charge and discharge control low-tension supply |
Country Status (1)
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|---|---|
| CN (1) | CN209016762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11177668B2 (en) | 2020-03-03 | 2021-11-16 | International Business Machines Corporation | Managing top-off charging and discharge testing of battery packs to optimize capacity |
-
2018
- 2018-12-04 CN CN201822018881.6U patent/CN209016762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11177668B2 (en) | 2020-03-03 | 2021-11-16 | International Business Machines Corporation | Managing top-off charging and discharge testing of battery packs to optimize capacity |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |