CN208690954U - A kind of feedback net type battery discharge detection device - Google Patents
A kind of feedback net type battery discharge detection device Download PDFInfo
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- CN208690954U CN208690954U CN201821124127.4U CN201821124127U CN208690954U CN 208690954 U CN208690954 U CN 208690954U CN 201821124127 U CN201821124127 U CN 201821124127U CN 208690954 U CN208690954 U CN 208690954U
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Abstract
The utility model relates to battery detecting technical field, in particular to a kind of feedback net type battery discharge detection device；The utility model includes battery, power supply, the battery discharge feedback circuit for feeding back to for battery discharge power supply, the battery voltage detection circuit for real-time detection cell voltage, the battery current detection circuit for real-time detection battery current, the electric discharge for controlling battery and the constant-current discharge control circuit for limiting the pressure limiting charge/discharge control circuit of voltage, discharge current for controlling battery；In the present invention, battery discharging energy is fed back to power supply by battery discharge feedback circuit, reduce energy loss, battery voltage detection circuit real-time detection cell voltage, battery current detection circuit real-time detection battery current, and pressure limiting charge/discharge control circuit, constant-current discharge control circuit can accurately control battery and carry out electric discharge and pressure limiting according to given Current Voltage, greatly improve the quality of battery and structure is simple, performance is stablized.
Description
Technical field
The utility model relates to battery detecting technical field, in particular to a kind of feedback net type battery discharge detection device.
Background technique
Battery is component part important in DC power system and communication infrastructure power-supply system, as direct current system
The backup power supply of system is responsible in the case where alternating current interrupts suddenly, continues to provide safe and stable, reliable electric power safeguard.Cause
This, the actual capacity that battery can be supplied to load during discharge has highly important meaning to the operation for ensuring equipment
Justice.
In order to accurately know the actual discharge ability of battery group, solve under the long-term floating charge state of battery group inside it at
Accumulator internal resistance caused by part solidifies increases and capacity declines, it is necessary to and discharge test is carried out to battery, checks its discharge capacity,
This just needs a kind of device that battery is made to discharge according to constant electric current, and this device is referred to as Battery Discharging Device.
Currently, there are mainly two types of the discharge technologies that cell production process generallys use: one is using based on silicon-controlled
Discharge technology, this equipment property return to utility network, and electric discharge recovery efficiency is low；Another kind is put using conductive discharge
Electric process electric energy is all consumed in a manner of conductive discharge, and waste is big.
Summary of the invention
Described above in order to overcome the shortcomings of, the purpose of the utility model is to provide a kind of detections of feedback net type battery discharge to fill
It sets, battery discharging energy is fed back to power supply, reduce energy loss, and battery can be accurately controlled according to given electricity
Galvanic electricity pressure carries out electric discharge and pressure limiting, greatly improves the quality of battery and structure is simple, and performance is stablized.
The technical scheme in the invention for solving the technical problem is:
A kind of feedback net type battery discharge detection device, wherein feed back to power supply including battery, power supply, for battery discharge
Battery discharge feedback circuit, for real-time detection cell voltage battery voltage detection circuit, for real-time detection battery electricity
The battery current detection circuit of stream, the electric discharge for controlling battery and limit voltage pressure limiting charge/discharge control circuit, for controlling
The constant-current discharge control circuit of the discharge current of battery；The battery respectively with the battery discharge feedback circuit, cell voltage
Detection circuit, battery current detection circuit electrical connection, the battery voltage detection circuit and pressure limiting charge/discharge control circuit electricity
Connection, the battery current detection circuit are electrically connected with the constant-current discharge control circuit, the battery discharge feedback circuit point
It is not electrically connected with the power supply, pressure limiting charge/discharge control circuit, constant-current discharge control circuit.
As a kind of improvement of the utility model, the battery discharge feedback circuit includes boost chip U1, triode D3
With inductance L1；Boost chip U1 is connected to power supply, one end of inductance L1, triode D3 one end with boost chip U1
4 feet, the 5th foot, the connection of the 6th foot, the other end of inductance L1 are connect with battery, the other end ground connection of triode D3.
The battery voltage detection circuit includes chip B1A, resistance R26, electricity as a further improvement of the utility model,
Hinder R36, resistance RS1, resistance RS2, resistance RS3, resistance RS4 and resistance RD1；The 1st foot of chip B1A is put with the pressure limiting respectively
Electric control circuit, resistance RS4 one end connection, the 2nd foot of chip B1A respectively with one end of resistance RS3, resistance RS4 it is another
End connection, the 3rd foot of chip B1A are connect with one end of one end of resistance RS1, resistance RS2 respectively, another termination of resistance RS1
Ground, the other end of resistance RS2 are connect with the anode of one end of resistance R26, one end of resistance RD1, battery respectively, resistance RD1's
Other end ground connection, the other end of resistance R26 connect with inductance L1, the other end of resistance RS3 respectively with one end of resistance R36, electricity
The cathode in pond connects, the other end ground connection of resistance R36.
As the further improvement of the utility model, the battery current detection circuit includes resistance RM1；Resistance RM1
One end connect respectively with battery, constant-current discharge control circuit, the other end of resistance RM1 ground connection.
As the further improvement of the utility model, the pressure limiting charge/discharge control circuit includes chip B1B, triode
Q5, resistance R29, resistance R33, external constant pressure given side B；The 5th foot of chip B1B is connect with one end of resistance R29, resistance R29
The other end connect with the 1st foot of chip B1A, the 6th foot of chip B1B is connect with one end of resistance R33, and resistance R33's is another
End connect with outside constant pressure given side B, the 7th foot of chip B1B is connect with one end of triode Q5, the other end of triode Q5 and
The battery discharge feedback circuit connection.
As the further improvement of the utility model, the constant-current discharge control circuit includes chip A1, foreign current
Given side Vin, resistance R19, resistance R20, resistance R14, resistance R23 and capacitor C15；The 6th foot and the battery of chip A1 is put
Electric feedback circuit connection, the 2nd foot of chip A1 are connect with one end of one end of resistance R20, resistance R23 respectively, and resistance R23's is another
One end ground connection, the other end of resistance R20 are connect with resistance RM1；The 3rd foot of chip A1 is connect with resistance R19, resistance R19 and outer
The Vin connection of portion given value of current end.
As the further improvement of the utility model, the battery discharge feedback circuit further includes triode Q4, resistance
R10, resistance R11, resistance R12 and resistance R13；Power supply is connect with one end of resistance R10, the other end and triode of resistance R10
The collector of Q4 connects, and the base stage of triode Q4 is connect with one end of resistance R12, the other end and resistance R14, three of resistance R12
Pole pipe Q5 connection, the emitter of triode Q4 are connect with one end of resistance R11, the other end of resistance R11 and one end of resistance R13
Connection, the other end of resistance R13 are connect with boost chip U1.
As the further improvement of the utility model, the pressure limiting charge/discharge control circuit further includes resistance R35 and capacitor
The 7th foot of C22, chip B1B are connect with one end of capacitor C22, and the other end of capacitor C22 is connect with one end of resistance R35, resistance
The other end of R35 is connect with the 6th foot of chip B1B.
As the further improvement of the utility model, the battery voltage detection circuit further includes capacitor C21；Capacitor
One end of C21 is connect with the 4th foot of chip B1A, the other end ground connection of capacitor C21.
As the further improvement of the utility model, the constant-current discharge control circuit further includes capacitor C11；Capacitor
One end of C11 is connect with the 4th foot of chip A1, the other end ground connection of capacitor C11.
In the present invention, battery discharging energy is fed back to power supply by battery discharge feedback circuit, reduces energy damage
Consumption, battery voltage detection circuit real-time detection cell voltage, battery current detection circuit real-time detection battery current, and pressure limiting
Charge/discharge control circuit, constant-current discharge control circuit can accurately control battery and be discharged and limited according to given Current Voltage
Pressure, greatly improves the quality of battery and structure is simple, and performance is stablized.
Detailed description of the invention
The utility model is described in detail by following preferred embodiments and attached drawing for ease of explanation,.
Fig. 1 is the connection block diagram of the utility model；
Fig. 2 is the circuit connection diagram of the utility model；
Appended drawing reference: 1- battery, 2- battery discharge feedback circuit, 3- battery voltage detection circuit, the detection of 4- battery current
Circuit, 5- pressure limiting charge/discharge control circuit, 6- constant-current discharge control circuit, 7- equipment power supply.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
As depicted in figs. 1 and 2, a kind of feedback net type battery discharge detection device of the utility model, including battery 1, power supply
7, the battery discharge feedback circuit 2 of power supply is fed back to, for the cell voltage inspection of real-time detection cell voltage for battery discharge
Slowdown monitoring circuit 3, for the battery current detection circuit 4 of real-time detection battery current, the electric discharge for controlling battery and limitation voltage
Pressure limiting charge/discharge control circuit 5, discharge current for controlling battery constant-current discharge control circuit 6.
As shown in Figure 1, battery is detected with battery discharge feedback circuit 2, battery voltage detection circuit 3, battery current respectively
Circuit 4 is electrically connected, and battery voltage detection circuit 3 is electrically connected with pressure limiting charge/discharge control circuit 5, battery current detection circuit 4 and perseverance
Banish electric control circuit 6 electrical connection, battery discharge feedback circuit 2 respectively with power supply 7, pressure limiting charge/discharge control circuit 5, constant-current discharge
Control circuit 6 is electrically connected.
In the present invention, battery discharging energy is fed back to power supply 7 by battery discharge feedback circuit 2,
Energy loss is reduced, 3 real-time detection cell voltage of battery voltage detection circuit, battery current detection circuit 4 is in fact
When detect battery current, and pressure limiting charge/discharge control circuit 5, constant-current discharge control circuit 6 can accurately control battery according to
Fixed Current Voltage carries out electric discharge and pressure limiting, greatly improves the quality of battery and structure is simple, and performance is stablized.
As shown in Fig. 2, battery discharge feedback circuit includes boost chip U1, triode D3 and inductance L1；Boost chip U1
It connecting to power supply, one end of inductance L1, one end of triode D3 are connect with the 4th foot, the 5th foot, the 6th foot of boost chip U1,
The other end of inductance L1 is connect with battery, the other end ground connection of triode D3.
Further, battery voltage detection circuit includes chip B1A, resistance R26, resistance R36, resistance RS1, resistance RS2, electricity
Hinder RS3, resistance RS4 and resistance RD1；The 1st foot of chip B1A one end with the pressure limiting charge/discharge control circuit, resistance RS4 respectively
Connection, the 2nd foot of chip B1A are connect with the other end of one end of resistance RS3, resistance RS4 respectively, the 3rd foot difference of chip B1A
Connect with one end of one end of resistance RS1, resistance RS2, the other end of resistance RS1 ground connection, the other end of resistance RS2 respectively with electricity
Hinder the anode connection of one end of R26, one end of resistance RD1, battery, the other end ground connection of resistance RD1, the other end of resistance R26
It is connect with inductance L1, the other end of resistance RS3 is connect with the cathode of one end of resistance R36, battery respectively, and resistance R36's is another
End ground connection.
Further, battery current detection circuit includes resistance RM1；One end of resistance RM1 respectively with battery, constant-current discharge
Control circuit connection, the other end ground connection of resistance RM1.
Further, pressure limiting charge/discharge control circuit includes chip B1B, triode Q5, resistance R29, resistance R33, external perseverance
Press given side B；The 5th foot of chip B1B is connect with one end of resistance R29, and the other end of resistance R29 and the 1st foot of chip B1A connect
It connects, the 6th foot of chip B1B is connect with one end of resistance R33, and the other end of resistance R33 is connect with outside constant pressure given side B, core
The 7th foot of piece B1B is connect with one end of triode Q5, and the other end of triode Q5 is connect with the battery discharge feedback circuit.
Further, constant-current discharge control circuit includes chip A1, foreign current given side Vin, resistance R19, resistance
R20, resistance R14, resistance R23 and capacitor C15；The 6th foot of chip A1 is connect with the battery discharge feedback circuit, chip A1's
2nd foot is connect with one end of one end of resistance R20, resistance R23 respectively, and the other end ground connection of resistance R23, resistance R20's is another
End is connect with resistance RM1；The 3rd foot of chip A1 is connect with resistance R19, and resistance R19 is connect with foreign current given side Vin.
Further, battery discharge feedback circuit further includes triode Q4, resistance R10, resistance R11, resistance R12 and resistance
R13；Power supply is connect with one end of resistance R10, and the other end of resistance R10 is connect with the collector of triode Q4, triode Q4's
Base stage is connect with one end of resistance R12, and the other end of resistance R12 is connect with resistance R14, triode Q5, the transmitting of triode Q4
Pole is connect with one end of resistance R11, and the other end of resistance R11 is connect with one end of resistance R13, the other end and liter of resistance R13
Press chip U1 connection.
Further, pressure limiting charge/discharge control circuit further includes resistance R35 and capacitor C22, the 7th foot and capacitor of chip B1B
One end of C22 connects, and the other end of capacitor C22 is connect with one end of resistance R35, and the of the other end of resistance R35 and chip B1B
The connection of 6 feet.
Further, battery voltage detection circuit further includes capacitor C21；One end of capacitor C21 and the 4th foot of chip B1A
Connection, the other end ground connection of capacitor C21.
Further, constant-current discharge control circuit further includes capacitor C11；One end of capacitor C11 and the 4th foot of chip A1 connect
It connects, the other end ground connection of capacitor C11.
The utility model provides one embodiment, which includes battery 1, battery discharge feedback circuit 2, cell voltage
Detection circuit 3, battery current detection circuit 4, pressure limiting charge/discharge control circuit 5, constant-current discharge control circuit 6 and power supply 7；It is wherein electric
Pond 1 and battery voltage detection circuit 3, pressure limiting charge/discharge control circuit 5 are linked in sequence；Battery 1 and battery current detection circuit 4, perseverance
Banish the sequential connection of electric control circuit 6；Battery 1 and battery discharge feedback circuit 2, power supply 7 are linked in sequence；Battery discharge feedback electricity
Road 2 is connect with pressure limiting charge/discharge control circuit 5, constant-current discharge control circuit 6 respectively.Battery discharge feedback circuit 2 includes boosting core
Piece U1(uses MP3426), inductance L1 and diode D3, wherein boost chip U16 the 4th, 5,6 feet connect the one end inductance L1, inductance
The L1 other end connects battery 1；Diode D3 anode connects boost chip U16 the 4th, 5,6 feet and inductance L1；Battery voltage detection electricity
Road 3 includes chip B1A (using 4558), resistance R26, resistance R36, resistance RS1, resistance RS2, resistance RS3, resistance RS4 and electricity
Hinder RD1；Resistance RS2 and RS1 tie point are connect with the 3rd foot of chip B1A, and the 2nd of resistance RS3 and RS4 tie point and chip B1A the
Foot connection.Battery current detection circuit 4 includes cement resistor RM1；The one end cement resistor RM1 ground connection, the other end connect battery 1
And it is connected to constant-current discharge control circuit end.Pressure limiting charge/discharge control circuit 5 include chip B1B (also use 4558), triode Q5,
Resistance R29, resistance R33 and external constant pressure given side；The one end resistance R29 connects the 1st foot of chip B1B, and the other end connects core
The 5th foot of piece B1B；The one end resistance R33 connects external constant pressure given side, and the other end connects the 6th foot of chip B1B；Chip B1B
The 7th foot connect resistance R28, the base stage of resistance R28 connecting triode Q5.Constant-current discharge control circuit 6 is used comprising chip A1(
) and foreign current given side, resistance R19, resistance R20, resistance R14, resistance R23 and capacitor C15 OP07；The one end resistance R19 connects
Foreign current given side is connect, one end connects the 3rd foot of chip A1；The one end resistance R20 connects RM1, and the other end connects chip
The 2nd foot of A1；The 2nd foot and resistance R23, capacitor C15 of chip A1 is linked in sequence；The 6th foot of chip A1 connects resistance R14.
Wherein, 2 function of battery discharge feedback circuit is: battery discharge is fed back to power supply by DC/DC boosting；Cell voltage
3 function of detection circuit is: detecting cell voltage in real time；4 function of battery current detection circuit is: detecting battery electricity in real time
Stream；Electric 5 functions of pressure limiting control of discharge are: controlling the electric discharge limitation voltage of battery；6 function of constant-current discharge control circuit is: control
The discharge current of battery；Battery 1 is fed back to power supply 7, battery voltage detection circuit 3, electricity by inductance, chip U1 boosting, electric discharge
Pond current detection circuit 4 samples current battery level and electric current respectively, compared with given voltage electric current, to control chip U1's
The output of PWM duty cycle is controlled discharge circuit and limitation voltage.Its working principle: first when battery discharge feedback circuit 2
After receiving external high level discharge signal, boosting is started to work, and battery 1 carries out electric discharge feedback by inductance L1, PWM boosting
To power supply 7, battery voltage detection circuit 3, battery current detection circuit 4 sample current battery level and electric current respectively at this time, with
Given voltage and current compares, and generates a control signal, the on-off of triode Q4 is controlled, to control chip U1 feedback pin FB
Voltage, make chip U1 change its export PWM duty ratio, thus effectively control battery discharge current and limitation voltage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of feedback net type battery discharge detection device, which is characterized in that fed back to including battery, power supply, for battery discharge
The battery discharge feedback circuit of power supply, for real-time detection cell voltage battery voltage detection circuit, for real-time detection electricity
The battery current detection circuit of pond electric current, the electric discharge for controlling battery and limit voltage pressure limiting charge/discharge control circuit, be used for
Control the constant-current discharge control circuit of the discharge current of battery；The battery respectively with the battery discharge feedback circuit, battery
Voltage detecting circuit, battery current detection circuit electrical connection, the battery voltage detection circuit and pressure limiting control of discharge electricity
Road electrical connection, the battery current detection circuit are electrically connected with the constant-current discharge control circuit, the battery discharge feedback electricity
Road is electrically connected with the power supply, pressure limiting charge/discharge control circuit, constant-current discharge control circuit respectively.
2. a kind of feedback net type battery discharge detection device according to claim 1, which is characterized in that the battery discharge returns
Current feed circuit includes boost chip U1, triode D3 and inductance L1；Boost chip U1 is connected to power supply, one end of inductance L1, three
One end of pole pipe D3 is connect with the 4th foot, the 5th foot, the 6th foot of boost chip U1, and the other end of inductance L1 is connect with battery, and three
The other end of pole pipe D3 is grounded.
3. a kind of feedback net type battery discharge detection device according to claim 2, which is characterized in that the cell voltage inspection
Slowdown monitoring circuit includes chip B1A, resistance R26, resistance R36, resistance RS1, resistance RS2, resistance RS3, resistance RS4 and resistance RD1；Core
The 1st foot of piece B1A is connect with one end of the pressure limiting charge/discharge control circuit, resistance RS4 respectively, the 2nd foot of chip B1A respectively with
The other end connection of one end of resistance RS3, resistance RS4, the 3rd foot of chip B1A respectively with one end of resistance RS1, resistance RS2
One end connection, resistance RS1 the other end ground connection, the other end of resistance RS2 respectively with one end of resistance R26, resistance RD1 one
The anode connection at end, battery, the other end ground connection of resistance RD1, the other end of resistance R26 are connect with inductance L1, and resistance RS3's is another
One end is connect with the cathode of one end of resistance R36, battery respectively, the other end ground connection of resistance R36.
4. a kind of feedback net type battery discharge detection device according to claim 3, which is characterized in that the battery current inspection
Slowdown monitoring circuit includes resistance RM1；One end of resistance RM1 is connect with battery, constant-current discharge control circuit respectively, and resistance RM1's is another
End ground connection.
5. a kind of feedback net type battery discharge detection device according to claim 4, which is characterized in that the pressure limiting electric discharge control
Circuit processed includes chip B1B, triode Q5, resistance R29, resistance R33, external constant pressure given side B；The 5th foot and electricity of chip B1B
One end connection of R29 is hindered, the other end of resistance R29 is connect with the 1st foot of chip B1A, and the 6th foot of chip B1B is with resistance R33's
One end connection, the other end of resistance R33 are connect with outside constant pressure given side B, one end of the 7th foot and triode Q5 of chip B1B
Connection, the other end of triode Q5 are connect with the battery discharge feedback circuit.
6. a kind of feedback net type battery discharge detection device according to claim 5, which is characterized in that the constant-current discharge control
Circuit processed includes chip A1, foreign current given side Vin, resistance R19, resistance R20, resistance R14, resistance R23 and capacitor C15；
The 6th foot of chip A1 is connect with the battery discharge feedback circuit, the 2nd foot of chip A1 respectively with one end of resistance R20, resistance
One end of R23 connects, and the other end ground connection of resistance R23, the other end of resistance R20 is connect with resistance RM1；The 3rd foot of chip A1
It is connect with resistance R19, resistance R19 is connect with foreign current given side Vin.
7. a kind of feedback net type battery discharge detection device according to claim 6, which is characterized in that the battery discharge returns
Current feed circuit further includes triode Q4, resistance R10, resistance R11, resistance R12 and resistance R13；One end of power supply and resistance R10 connect
It connects, the other end of resistance R10 is connect with the collector of triode Q4, and the base stage of triode Q4 is connect with one end of resistance R12, electricity
The other end of resistance R12 is connect with resistance R14, triode Q5, and the emitter of triode Q4 is connect with one end of resistance R11, resistance
The other end of R11 is connect with one end of resistance R13, and the other end of resistance R13 is connect with boost chip U1.
8. a kind of feedback net type battery discharge detection device according to claim 7, which is characterized in that the pressure limiting electric discharge control
Circuit processed further includes resistance R35 and capacitor C22, and the 7th foot of chip B1B is connect with one end of capacitor C22, and capacitor C22's is another
End is connect with one end of resistance R35, and the other end of resistance R35 is connect with the 6th foot of chip B1B.
9. a kind of feedback net type battery discharge detection device according to claim 8, which is characterized in that the cell voltage inspection
Slowdown monitoring circuit further includes capacitor C21；One end of capacitor C21 is connect with the 4th foot of chip B1A, the other end ground connection of capacitor C21.
10. a kind of feedback net type battery discharge detection device according to claim 9, which is characterized in that the constant-current discharge
Control circuit further includes capacitor C11；One end of capacitor C11 is connect with the 4th foot of chip A1, the other end ground connection of capacitor C11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124127.4U CN208690954U (en) | 2018-07-16 | 2018-07-16 | A kind of feedback net type battery discharge detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124127.4U CN208690954U (en) | 2018-07-16 | 2018-07-16 | A kind of feedback net type battery discharge detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690954U true CN208690954U (en) | 2019-04-02 |
Family
ID=65880750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821124127.4U Active CN208690954U (en) | 2018-07-16 | 2018-07-16 | A kind of feedback net type battery discharge detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690954U (en) |
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2018
- 2018-07-16 CN CN201821124127.4U patent/CN208690954U/en active Active
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Effective date of registration: 20220601 Address after: 510000 Room 501, No. 2, Hengsheng Industrial Park, No. 61, Xiyi Village Industrial Road, Luopu street, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Tianyong Chenwei Intelligent Equipment Co.,Ltd. Address before: 511400 floors 3, 4 and 5, No.2, Hengsheng Industrial Park, xiaolansha, Xiyi village, Luopu street, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CHENWEI ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD. |