CN204903730U - Power fills discharge capacity test circuit - Google Patents
Power fills discharge capacity test circuit Download PDFInfo
- Publication number
- CN204903730U CN204903730U CN201520476939.5U CN201520476939U CN204903730U CN 204903730 U CN204903730 U CN 204903730U CN 201520476939 U CN201520476939 U CN 201520476939U CN 204903730 U CN204903730 U CN 204903730U
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- power supply
- discharge
- switch
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a power fills discharge capacity test circuit, including waiting to detect power, capacity detection circuitry, charger and discharge resistance, wait to detect the power respectively with charger and discharge resistance electric connection, capacity detection circuitry includes lithium battery management chip and microprocessor, the first sense terminal of lithium battery management chip with wait that it is connected to detect the anodal of power, the second sense terminal of lithium battery management chip is connected with waiting the negative pole that detects the power, the communication of lithium battery management chip is held and microprocessor electric connection. The utility model discloses the charger can be treated the detection power and charge, and discharge resistance can treat the detection power and discharge, and microprocessor can control charger and discharge resistance's circuit break -make to control is waited to detect the power and is charged or discharge, lithium battery management chip can real -time detection wait to detect the power charge or the condition of discharging under voltage, electric current and capacitance index, thereby realize that automatic loop detection waits to detect the performance index of power.
Description
Technical field
The utility model relates to a kind of test circuit, particularly relates to a kind of power supply charge/discharge capacity test circuit.
Background technology
In the production run of portable power source as lithium battery, the electricity function index (as charging/discharging voltage, charging and discharging currents and electric capacity etc.) of the many checkout equipments of usual needs to power supply detects, whole testing process length consuming time, cost is higher, detection efficiency is low, and charge-discharge test all can serviceable life of loss power supply each time, and cause the internal resistance of power supply to increase, affect the accuracy of test result.Therefore, be necessary to provide a kind of new power source performance method of testing to solve the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of power supply charge/discharge capacity test circuit of charging/discharging voltage, charging and discharging currents and the electric capacity index that automatically can detect power supply.
To achieve these goals, the technical scheme that adopts of the utility model is as follows:
A kind of power supply charge/discharge capacity test circuit, comprise power supply to be detected, capacity detection circuit, charger and discharge resistance, described power supply to be detected is electrically connected with described charger and described discharge resistance respectively, described capacity detection circuit is electrically connected with described charger and described discharge resistance respectively, described capacity detection circuit comprises lithium battery managing chip and microprocessor, first test side of described lithium battery managing chip and the positive pole of described power supply to be detected are electrically connected, second test side of described lithium battery managing chip and the negative pole of described power supply to be detected are electrically connected, communication terminal and the described microprocessor of described lithium battery managing chip are electrically connected.
Preferably, described capacity detection circuit also comprises protective resistance, and the first end of described protective resistance and the negative pole of described power supply to be detected are electrically connected, and the second end of described protective resistance and the 3rd test side of described lithium battery managing chip are electrically connected.
Preferably; described capacity detection circuit also comprises the first switch; described first switch comprises the first terminals, the second terminals and control end; control end and the described microprocessor of described first switch are electrically connected; first terminals of described first switch and the second end of described protective resistance are electrically connected; second terminals of described first switch and the negative pole of described charger are electrically connected, and the positive pole of described charger and the positive pole of described power supply to be detected are electrically connected.
Preferably; described capacity detection circuit also comprises second switch; described second switch comprises the first terminals, the second terminals and control end; control end and the described microprocessor of described second switch are electrically connected; first terminals of described second switch and the second end of described protective resistance are electrically connected; second terminals of described second switch and the first end of described discharge resistance are electrically connected, and the second end of described discharge resistance and the positive pole of described power supply to be detected are electrically connected.
Preferably, described power supply charge/discharge capacity test circuit also comprises LED indicating circuit, and described LED indicating circuit and described microprocessor are electrically connected.
Preferably, described LED indicating circuit comprises green LED pilot lamp and red LED pilot lamp.
Preferably, described power supply charge/discharge capacity test circuit also comprises LCDs, and described LCDs and described microprocessor are electrically connected.
Compared with prior art, the beneficial effect of the utility model power supply charge/discharge capacity test circuit is: described charger can charge to described power supply to be detected, described discharge resistance can discharge to described power supply to be detected, described microprocessor can control the circuit on-off of described charger and described discharge resistance, thus control described power source charges to be detected or electric discharge, described lithium battery managing chip can detect the voltage of power supply to be detected under charging or discharge scenario in real time, electric current and electric capacity index, thus realize the performance index of robotization cycle detection power supply to be detected.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model power supply charge/discharge capacity test circuit.
In figure, each mark is as follows: 1, capacity detection circuit; R1, discharge resistance; RS, protective resistance; K1, the first switch; K2, second switch.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.
Refer to shown in Fig. 1, the utility model power supply charge/discharge capacity test circuit comprises power supply to be detected, capacity detection circuit 1, charger and discharge resistance R1, described power supply to be detected is electrically connected with described charger and described discharge resistance R1 respectively, described capacity detection circuit 1 is electrically connected with described charger and described discharge resistance R1 respectively, described capacity detection circuit 1 comprises lithium battery managing chip and microprocessor, first test side of described lithium battery managing chip and the positive pole of described power supply to be detected are electrically connected, second test side of described lithium battery managing chip and the negative pole of described power supply to be detected are electrically connected, communication terminal and the described microprocessor of described lithium battery managing chip are electrically connected.
Wherein, described capacity detection circuit 1 also comprises protective resistance RS, and the first end of described protective resistance RS and the negative pole of described power supply to be detected are electrically connected, and second end of described protective resistance RS and the 3rd test side of described lithium battery managing chip are electrically connected.Described capacity detection circuit 1 also comprises the first K switch 1; described first K switch 1 comprises the first terminals, the second terminals and control end; control end and the described microprocessor of described first K switch 1 are electrically connected; described first terminals of the first K switch 1 and second end of described protective resistance RS are electrically connected; described second terminals of the first K switch 1 and the negative pole of described charger are electrically connected, and the positive pole of described charger and the positive pole of described power supply to be detected are electrically connected.
Described capacity detection circuit 1 also comprises second switch K2; described second switch K2 comprises the first terminals, the second terminals and control end; control end and the described microprocessor of described second switch K2 are electrically connected; first terminals of described second switch K2 and second end of described protective resistance RS are electrically connected; second terminals of described second switch K2 and the first end of described discharge resistance R1 are electrically connected, and second end of described discharge resistance R1 and the positive pole of described power supply to be detected are electrically connected.
In the utility model, described power supply charge/discharge capacity test circuit also comprises LED indicating circuit, and described LED indicating circuit and described microprocessor are electrically connected.Described LED indicating circuit comprises green LED pilot lamp and red LED pilot lamp.Described power supply charge/discharge capacity test circuit also comprises LCDs, and described LCDs and described microprocessor are electrically connected.
Principle of work of the present utility model for: described in described Microprocessor S3C44B0X, the first K switch 1 is connected, second switch K2 disconnects, control green LED pilot lamp luminous, described charger charges to described power supply to be detected, described lithium battery managing chip detects the voltage and current size of described power positive cathode to be detected, and the data detected are transferred to described microprocessor process, described microprocessor calculates the charging capacity of described power supply to be detected according to these data, LCDs display voltage, electric current and electric capacity size, described timing microprocessor controls described first K switch 1 and disconnects, second switch K2 connects, control red LED pilot lamp luminous, described discharge resistance R1 discharges to described power supply to be detected, described lithium battery managing chip detects the voltage and current size of described power positive cathode to be detected, and the data detected are transferred to described microprocessor process, described microprocessor calculates the discharge capacity of described power supply to be detected according to these data, LCDs display voltage, electric current and electric capacity size, if described power supply underfill electricity to be detected, turn back to charging process, so move in circles, after power supply to be detected is full of electricity, described in described Microprocessor S3C44B0X, the first K switch 1 and second switch K2 all disconnect, control green LED pilot lamp long bright, LCDs display voltage, electric current and electric capacity size.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (7)
1. a power supply charge/discharge capacity test circuit, it is characterized in that: comprise power supply to be detected, capacity detection circuit, charger and discharge resistance, described power supply to be detected is electrically connected with described charger and described discharge resistance respectively, described capacity detection circuit is electrically connected with described charger and described discharge resistance respectively, described capacity detection circuit comprises lithium battery managing chip and microprocessor, first test side of described lithium battery managing chip and the positive pole of described power supply to be detected are electrically connected, second test side of described lithium battery managing chip and the negative pole of described power supply to be detected are electrically connected, communication terminal and the described microprocessor of described lithium battery managing chip are electrically connected.
2. power supply charge/discharge capacity test circuit as claimed in claim 1; it is characterized in that: described capacity detection circuit also comprises protective resistance; the first end of described protective resistance and the negative pole of described power supply to be detected are electrically connected, and the second end of described protective resistance and the 3rd test side of described lithium battery managing chip are electrically connected.
3. power supply charge/discharge capacity test circuit as claimed in claim 2; it is characterized in that: described capacity detection circuit also comprises the first switch; described first switch comprises the first terminals, the second terminals and control end; control end and the described microprocessor of described first switch are electrically connected; first terminals of described first switch and the second end of described protective resistance are electrically connected; second terminals of described first switch and the negative pole of described charger are electrically connected, and the positive pole of described charger and the positive pole of described power supply to be detected are electrically connected.
4. power supply charge/discharge capacity test circuit as claimed in claim 3; it is characterized in that: described capacity detection circuit also comprises second switch; described second switch comprises the first terminals, the second terminals and control end; control end and the described microprocessor of described second switch are electrically connected; first terminals of described second switch and the second end of described protective resistance are electrically connected; second terminals of described second switch and the first end of described discharge resistance are electrically connected, and the second end of described discharge resistance and the positive pole of described power supply to be detected are electrically connected.
5. power supply charge/discharge capacity test circuit as claimed in claim 1, is characterized in that: described power supply charge/discharge capacity test circuit also comprises LED indicating circuit, and described LED indicating circuit and described microprocessor are electrically connected.
6. power supply charge/discharge capacity test circuit as claimed in claim 5, is characterized in that: described LED indicating circuit comprises green LED pilot lamp and red LED pilot lamp.
7. power supply charge/discharge capacity test circuit as claimed in claim 1, is characterized in that: described power supply charge/discharge capacity test circuit also comprises LCDs, and described LCDs and described microprocessor are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476939.5U CN204903730U (en) | 2015-07-06 | 2015-07-06 | Power fills discharge capacity test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476939.5U CN204903730U (en) | 2015-07-06 | 2015-07-06 | Power fills discharge capacity test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903730U true CN204903730U (en) | 2015-12-23 |
Family
ID=54925896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476939.5U Active CN204903730U (en) | 2015-07-06 | 2015-07-06 | Power fills discharge capacity test circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204903730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077459A (en) * | 2018-10-19 | 2020-04-28 | 上海顺旅房车有限公司 | Car as a house power monitoring management system |
| CN111426961A (en) * | 2020-03-19 | 2020-07-17 | 昆山宣创电子有限公司 | Method for testing fast charge and discharge performance of mobile power supply |
-
2015
- 2015-07-06 CN CN201520476939.5U patent/CN204903730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077459A (en) * | 2018-10-19 | 2020-04-28 | 上海顺旅房车有限公司 | Car as a house power monitoring management system |
| CN111426961A (en) * | 2020-03-19 | 2020-07-17 | 昆山宣创电子有限公司 | Method for testing fast charge and discharge performance of mobile power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203086213U (en) | Rapid charger and mobile power supply with the charger | |
| CN204334058U (en) | A kind of balancer of serial lithium battery group | |
| CN103701164A (en) | Supercapacitor and conventional cell combined power supply capable of being quickly charged | |
| CN104124737A (en) | Multifunctional mobile power source | |
| CN204012843U (en) | Multifunctional portable power source | |
| CN204903730U (en) | Power fills discharge capacity test circuit | |
| CN103915875A (en) | Lithium battery charging and discharging control system for novel solar street lamp | |
| CN204538140U (en) | A kind of lithium battery of just very integrated structure | |
| CN205029407U (en) | Series battery wireless rechargeable receiver | |
| CN208690983U (en) | A kind of intelligent battery group charge and discharge device | |
| CN204441937U (en) | Multi-channel parallel lithium battery group management control device | |
| CN203104045U (en) | Main circuit of solar charging controller | |
| CN206628824U (en) | A kind of anti-firing circuit and direct current charging connector | |
| CN202679012U (en) | Lithium battery pack repairing apparatus | |
| CN204967348U (en) | Novel two couple portable power source of putting that fill | |
| CN202333887U (en) | Solar direct-current power supply system | |
| CN204809351U (en) | Lithium battery protection board based on voltage limiting steady voltage | |
| CN202679019U (en) | Automatic battery polarity identification circuit | |
| CN204103536U (en) | Portable power source circuit | |
| CN202617140U (en) | Network communication device provided with built-in cell | |
| CN203562805U (en) | Intelligent USB charging plug circuit | |
| CN205081530U (en) | Multifunctional charger | |
| CN203135478U (en) | Automatic orientation lossless equalization system of multisection serial lithium battery | |
| CN202696244U (en) | Charging circuit of multifunctional charger | |
| CN201682297U (en) | Intelligent battery pack capable of allowing number of lithium batteries to be increased |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000, 2 building, No. 2, building 398, Yi Sheng Road, Kunshan, Suzhou, Jiangsu Patentee after: Kunshan Jin Xin new energy Limited by Share Ltd Address before: 215000, 2 building, No. 2, building 398, Yi Sheng Road, Kunshan, Suzhou, Jiangsu Patentee before: Kunshan Jinxin New Energy Technology Co., Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiaohong Inventor after: Fan Yeping Inventor before: Xie Yong Inventor before: Zhang Xiaohong Inventor before: Fan Yeping |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2/F, Building 398 Yisheng Road, Kunshan High-tech Zone, Suzhou City, Jiangsu Province Patentee after: Kunshan Jinxin New Energy Technology Co., Ltd. Address before: 2/F, Building 398 Yisheng Road, Kunshan High-tech Zone, Suzhou City, Jiangsu Province Patentee before: Kunshan Jin Xin new energy Limited by Share Ltd |