CN209028440U - A kind of circulating battery test automatic control device - Google Patents
A kind of circulating battery test automatic control device Download PDFInfo
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- CN209028440U CN209028440U CN201821824905.0U CN201821824905U CN209028440U CN 209028440 U CN209028440 U CN 209028440U CN 201821824905 U CN201821824905 U CN 201821824905U CN 209028440 U CN209028440 U CN 209028440U
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Abstract
The utility model discloses a kind of circulating batteries to test automatic control device, including MCU control circuit, control switch and current detection circuit, tested battery interface, charge power supply interface, discharge load interface, liquid crystal display, operation button, charge power supply, discharge load and detected battery；The MCU control circuit is connect with control switch with current detection circuit, liquid crystal display, operation button and charge power supply interface；The control switch is also connect with tested battery interface, charge power supply interface and discharge load interface with current detection circuit；The tested battery interface is also connect with tested battery；The charge power supply interface is connect with charge power supply；The discharge load interface is also connect with discharge load, the utility model have the advantages that it is of simple structure and low cost, with overcurrent protection.
Description
Technical field
The utility model relates to battery productions to assemble application field, and specially a kind of circulating battery test automatically controls dress
It sets.
Background technique
With the development of modern society, the movement such as mobile phone, video camera, laptop, portable DVD player and digital camera is set
It has had and has been more and more widely used.Different clients need the battery of different outer dimensions, especially being capable of cycle charging use
Battery, such as cylindrical type, rectangular lithium ion battery.These batteries need by stringent detection and are led to before launch
Corresponding standard is crossed, also needs to test battery various aspects performance before putting into production, test request includes that performance is surveyed
Examination, safety test, abuse test etc..
Currently, the high-precision detection device being often used needs to preset work step and time, then high-precision detection device
It can be automatically controled charge and discharge cycles.But the equipment volume is big, and at high price, maintenance cost is high, can not largely purchase use.
Meanwhile if tested using manual type, tester is charged and discharged using power supply and load, but this is needed
Tester carries out the operation of each step by hand, cannot achieve automation control, expends time and manpower, working efficiency
It is low.
Utility model content
The purpose of this utility model is to provide a kind of circulating batteries to test automatic control device, has that structure is simple, makes
With convenient, maintenance is simple, with overcurrent protection, real-time monitoring, highly-safe advantage, it is huge to solve existing test equipment volume
Greatly, problem inconvenient for use.
To achieve the above object, the utility model provides the following technical solutions: a kind of circulating battery test automatic control dress
It sets, including MCU control circuit, control switch and current detection circuit, tested battery interface, charge power supply interface, discharge load
Interface, liquid crystal display, operation button, charge power supply, discharge load and detected battery；The MCU control circuit and control
Switch is connect with current detection circuit, liquid crystal display, operation button and charge power supply interface；The control switch and electric current are examined
Slowdown monitoring circuit is also connect with tested battery interface, charge power supply interface and discharge load interface；The tested battery interface also with quilt
Detect battery connection；The charge power supply interface is connect with charge power supply；The discharge load interface is also connect with discharge load.
Preferably, the control switch and current detection circuit include control switch circuit and current detection circuit.
Preferably, the control switch circuit includes charging control circuit and charge/discharge control circuit, charging control circuit
Including two P-channels MOSFET pipe Q2, Q3, the source electrode of Q2 is connect with battery, and the source electrode of Q3 can connect with the anode of detected battery
It connects, battery discharge control circuit includes two P-channel MOSFET pipes Q5, Q6, and the source electrode of Q5 can connect with the anode of detected battery
It connects, the source electrode of Q6 is connect with discharge load anode.
Preferably, the current detection circuit includes two precision resistances RS1, RS2 and operational amplifier U1, two essences
Cipher telegram hinders RS1, RS2 parallel connection, and one end is connect by resistance R8 with the reverse input end of operational amplifier U1, the other end and ground wire
GND connection, operational amplifier U1 are connect by R10 with MCU control circuit.
Preferably, the OCV voltage of the tested battery interface is 2-18V, and maximum charging and discharging currents are no more than 10A.
Preferably, the detected battery disposably can detect 1-4 batteries.
Preferably, the operation button includes reset key.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model has the advantages that structure is simple, easy to use, easy to maintain, production cost is low.
2, the utility model is arranged MOSFET by charging control circuit and charge/discharge control circuit and manages, and charge and discharge can be prevented electric
Reverse flow is flowed, charging and discharging currents direction can be effectively controlled and protect charging equipment and discharge equipment.
3, the utility model uses accurate by setting MCU control circuit and current detection circuit, current detection circuit
Then signal is sent into MCU and is calculated simultaneously real-time detection current value by resistance detection voltage difference using transport and placing device amplified signal.Work as MCU
Charging current is calculated less than preset charging cut-off current value, then controls charge switch circuit and stops charging, then start to count
Calculate time of repose, upon standing between meet time of repose value after preset charging, then control discharge switching circuit and start to discharge.?
During charging and discharging, real-time current can be also compared by MCU with the preset maximum current value that allows to circulate, if in real time
Electric current is greater than preset value, then controls double switch and stop being charged and discharged, avoid that accident and loss occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the control switch and current detection circuit schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the utility model MCU control circuit；
In figure: 1-MCU control circuit；2- control switch and current detection circuit；3- is tested battery interface；4- is tested battery
Interface；5- discharge load interface；6- liquid crystal display；7- operation button；8- charge power supply；9- discharge load；10- is detected electricity
Pond.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to 2 is please referred to, a kind of embodiment provided by the utility model: a kind of circulating battery test automatic control device,
Including MCU control circuit 1, control switch and current detection circuit 2, tested battery interface 3, charge power supply interface 4, discharge load
Interface 5, liquid crystal display 6, operation button 7, charge power supply 8, discharge load 9 and detected battery 10；The MCU control circuit
1 connect with control switch with current detection circuit 2, liquid crystal display 6, operation button 7 and charge power supply interface 4；The control
Switch is also connect with tested battery interface 3, charge power supply interface 4 and discharge load interface 5 with current detection circuit 2；The quilt
Battery interface 3 is surveyed also to connect with detected battery 10；The charge power supply interface 4 is connect with charge power supply 8；The discharge load
Interface 5 is also connect with discharge load 9.
Burning program can control the liquid crystal display 6 of whole device, operation button in the single-chip microcontroller of the MCU control circuit 1
7, control switch and current detection circuit 2, delay count.After charging cut-off current, charging time of repose and allow circulate most
Parameter can be arranged by operation button 7 and liquid crystal display 6 in high current.Default setting is charging cut-off current 100mA, time of repose
2 hours, allow the maximum current 10A to circulate.
The control switch and current detection circuit 2 include control switch circuit and current detection circuit.
The control switch circuit includes charging control circuit and charge/discharge control circuit, and charging control circuit includes two
P-channel MOSFET pipe Q2, Q3, the source electrode of Q2 are connect with battery, and the source electrode of Q3 can be connect with the anode of detected battery 10, are discharged
Control circuit includes two P-channel MOSFET pipes Q5, Q6, and the source electrode of Q5 can be connect with the anode of detected battery 10, the source of Q6
Pole is connect with 9 anode of discharge load.Charging control circuit control charging, charge/discharge control circuit control electric discharge, per control electricity all the way
Two MOSFET pipes of road can prevent charging and discharging currents opposite direction from flowing through, and can effectively control charging and discharging currents direction and protection
Charging equipment and discharge equipment.
The current detection circuit includes two precision resistances RS1, RS2 and operational amplifier U1, two precision resistances
RS1, RS2 are in parallel, and one end is connect by resistance R8 with the reverse input end of operational amplifier U1, and the other end is connect with ground wire GND,
Operational amplifier U1 is connect by R10 with MCU control circuit 1.Current detection circuit detects voltage using precision resistance RS1, RS2
Then signal is sent into MCU and is calculated simultaneously real-time detection current value by difference using operational amplifier U1 amplified signal.When MCU is calculated
Charging current is less than preset charging cut-off current value, then controls charging control circuit and stop charging, then starts to calculate standing
Time, upon standing between meet time of repose value after preset charging, then control charge/discharge control circuit and start to discharge.Charging and
In discharge process, real-time current can be also compared by MCU with the preset maximum current value that allows to circulate, if real-time current is big
In preset value, then controls double switch and stop being charged and discharged, avoid that accident and loss occurs.
The OCV voltage of the tested battery interface 3 is 2-18V, and maximum charging and discharging currents are no more than 10A.Access charging electricity
Source, charge the battery use.
The detected battery 10 disposably can detect 1-4 batteries.
The operation button 7 includes reset key.The settable parameter of operation button 7, short-press are arranged parameter, long-pressing 3 seconds with
Upper reset MCU.
The discharge load interface 5 accesses discharge load 9, uses to the electric discharge of battery 10 is detected, discharge load 9 is settable
Discharge cut-off voltage.
Working principle: first by charge power supply, discharge load 9 accesses discharge load interface 5, opens power supply and discharge load 9,
The charging voltage and charging current that needs are set on power supply set the discharge current of needs and are cut on discharge load 9
Only voltage.By time of repose after operation button 7 and the setting of liquid crystal display 6 charging cut-off current, charging and allow to circulate most
High current.Be detected battery 10 and access tested battery interface 3 and start to charge test, MCU control circuit 1 can by control switch and
2 real-time monitoring electric current of current detection circuit；When charging current is less than preset cut-off current, then disconnection charge circuit is controlled,
Stop charging and start to calculate time of repose；When reaching preset time of repose between upon standing, then closure discharge loop is controlled,
Start discharge test.During entire be charged and discharged, if electric current is abnormal, greater than the preset maximum for allowing to circulate
Current value, MCU control circuit 1 will disconnect charge circuit and discharge loop and stop testing, and avoid that accident and loss occurs.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (7)
1. a kind of circulating battery tests automatic control device, including MCU control circuit (1), control switch and current detection circuit
(2), be tested battery interface (3), charge power supply interface (4), discharge load interface (5), liquid crystal display (6), operation button (7),
Charge power supply (8), discharge load (9) and detected battery (10)；The MCU control circuit (1) and control switch and electric current
Detection circuit (2), liquid crystal display (6), operation button (7) and charge power supply interface (4) connection；The control switch and electric current
Detection circuit (2) is also connect with tested battery interface (3), charge power supply interface (4) and discharge load interface (5)；It is described tested
Battery interface (3) is also connect with detected battery (10)；The charge power supply interface (4) connect with charge power supply (8)；It is described to put
Electrical load interfaces (5) are also connect with discharge load (9).
2. a kind of circulating battery according to claim 1 tests automatic control device, it is characterised in that: the control switch
It include control switch circuit and current detection circuit with current detection circuit (2).
3. a kind of circulating battery according to claim 2 tests automatic control device, it is characterised in that: the control switch
Circuit includes charging control circuit and charge/discharge control circuit, and charging control circuit includes two P-channels MOSFET pipe Q2, Q3,
The source electrode of Q2 is connect with battery, and the source electrode of Q3 can be connect with the anode of detected battery (10), and battery discharge control circuit includes
Two P-channel MOSFET pipes Q5, Q6, the source electrode of Q5 can be connect with the anode of detected battery (10), and the source electrode of Q6 and electric discharge are negative
Carry the connection of (9) anode.
4. a kind of circulating battery according to claim 2 tests automatic control device, it is characterised in that: the current detecting
Circuit includes two precision resistances RS1, RS2 and operational amplifier U1, and two precision resistances RS1, RS2 are in parallel, and one end passes through
Resistance R8 is connect with the reverse input end of operational amplifier U1, and the other end is connect with ground wire GND, and operational amplifier U1 passes through R10
It is connect with MCU control circuit (1).
5. a kind of circulating battery according to claim 1 tests automatic control device, it is characterised in that: the tested battery
The OCV voltage of interface (3) is 2-18V, and maximum charging and discharging currents are no more than 10A.
6. a kind of circulating battery according to claim 1 tests automatic control device, it is characterised in that: the detected electricity
Pond (10) disposably can detect 1-4 batteries.
7. a kind of circulating battery according to claim 1 tests automatic control device, it is characterised in that: the operation button
It (7) include reset key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824905.0U CN209028440U (en) | 2018-11-07 | 2018-11-07 | A kind of circulating battery test automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824905.0U CN209028440U (en) | 2018-11-07 | 2018-11-07 | A kind of circulating battery test automatic control device |
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| Publication Number | Publication Date |
|---|---|
| CN209028440U true CN209028440U (en) | 2019-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821824905.0U Active CN209028440U (en) | 2018-11-07 | 2018-11-07 | A kind of circulating battery test automatic control device |
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| CN (1) | CN209028440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634163A (en) * | 2018-11-07 | 2019-04-16 | 福建飞毛腿动力科技有限公司 | A kind of circulating battery test automatic control device |
-
2018
- 2018-11-07 CN CN201821824905.0U patent/CN209028440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634163A (en) * | 2018-11-07 | 2019-04-16 | 福建飞毛腿动力科技有限公司 | A kind of circulating battery test automatic control device |
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