CN201594132U - Lithium battery detecting tooling - Google Patents
Lithium battery detecting tooling Download PDFInfo
- Publication number
- CN201594132U CN201594132U CN2009200909786U CN200920090978U CN201594132U CN 201594132 U CN201594132 U CN 201594132U CN 2009200909786 U CN2009200909786 U CN 2009200909786U CN 200920090978 U CN200920090978 U CN 200920090978U CN 201594132 U CN201594132 U CN 201594132U
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- lithium battery
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Abstract
The utility model relates to a battery detecting tooling, in particular to a lithium battery detecting tooling, which comprises an MCU, a clock module, a power supply module, a rectification and voltage stabilization module, a data storage module and a display module. An ADC7 port of a built-in A/D converter of the MCU inputs battery analog battery, and a battery is proved to exist if a system detects voltage larger than 0V, then the system firstly detects floating voltage, and if acquired voltage after A/D is larger than 3.6V, the system carries out next stage detecting, otherwise a red lamp is lit to indicate an unqualified battery. A PC0 port of the MCU outputs high level, a lithium battery load detecting circuit is opened, after 4 seconds delay of the MCU, if the voltage is larger than 3.2V, and the system lights an LED (green) to indicate a qualified battery; if the voltage is smaller than 3.2V, discharge is continued, and the system inquires voltage change of 4-5S; and after completion of 5 seconds of discharge, if the voltage is still smaller than 3.2V, the battery is determined to be unqualified.
Description
(1), technical field
The utility model relates to a kind of battery detecting frock, and particularly a kind of detection frock of lithium battery belongs to electronic measuring technology field.
(2), background technology
Along with the development of twentieth century microelectric technique, the equipment of miniaturization is increasing, and power supply has been proposed very high requirement, lithium battery and lithium ion battery have entered the large-scale practical stage thereupon, and the negative pole of this battery is a lithium metal, the anodal MnO2 that uses, SOCL2, (CFx) n etc.Because of it has the energy height, the cell voltage height, operating temperature range is wide, advantages such as storage life is long, be applied in the pacemaker the earliest, because the self-discharge rate of lithium battery is extremely low, sparking voltage is mild, make long-term use of pacemaker implant into body become possibility, lithium battery generally has and is higher than 3.0 volts nominal voltage, be more suitable for doing ic power, now, lithium battery has been widely used in the military and civilian compact electric apparatus, as mobile phone, portable computer, video camera, camera etc., part has replaced conventional batteries. and lithium battery is as a kind of novel high-energy battery, long storage back starting potential lags behind, can influence the operate as normal of battery, on the other hand, in case leakage just may take place in battery over-discharge, even the small probability event that may blast, the generation that battery explosion then may cause personal injury accident if take place in the electrolytic solution meeting open circuit potential and the consumer that spill.In order to guarantee the operate as normal of consumer, avoid because some potential safety hazards that lithium battery occurs in application process certainly, so lithium battery is the pick-up unit of a strictness of qualified needs whether,, guarantee the consistance of battery check in order to improve the battery checkability, guarantee the battery inspection quality, the special research and development strength of concentrating of my company is developed a kind of lithium battery and is detected frock, and this device is convenient to operation, simple in structure, be convenient to move up.
(3), utility model content
In order to solve the problem that lithium battery voltage lags behind, the utility model provides a kind of battery checkability height, battery quality inspection height, lithium battery check frock that the battery check consistency is good, judges with this whether lithium battery is qualified.
The technical solution of the utility model:
A kind of lithium battery detects frock, contains the MCU microcontroller, clock module, and power module, the rectifying and voltage-stabilizing module, the EEPROM data memory module, serial communication module, the lithium battery band carries testing circuit, display module.
System at first provides stable operating voltage to system behind the external transformer process rectifying and voltage-stabilizing during operate as normal, and the ADC7 mouth input of the built-in A/D converter of microcontroller detects the input analog voltage of battery,
Whether A at first MCU detects analog input voltage greater than 0 volt, if voltage, then proves do not have battery to exist less than 0 volt, greater than 0 volt, then proof has battery to exist as if voltage.
The B system has detected battery to be detected and has then at first carried out the no-load voltage detection, this moment, A/D converter carried out the conversion of unloaded aanalogvoltage, if the voltage that inquires through behind the A/D greater than 3.6 volts, then carry out next step detection, otherwise point sends out a warning, and illustrates that battery is defective.
The PC0 port output high level of C MCU, open the lithium battery band and carry testing circuit, after MCU delays time through 4S, A/D converter carries out the aanalogvoltage conversion once more, if relatively arriving the band live presses greater than 3.2V, then microcontroller is lighted little LED (green) automatically and is illustrated that the detection battery is qualified, if relatively arriving the band live presses less than 3.2 volts, then lithium battery continues by load discharge, and microcontroller is inquired about in its change in voltage of 4S～5S, and discharge finishes during 5S, A/D converter carries out the aanalogvoltage conversion once more, if relatively arrive voltage still less than 3.2 volts, illustrate that then battery is defective, system point sends out a warning.
D illustrates that then battery is defective if any step of A, B can not reach setting value, and simultaneity factor is lighted red alarm.
Microcontroller outwards shows the lithium battery voltage that is detected by PB2 mouth and PB3 mouth, the data storage that single-chip microcomputer detected is in eeprom memory, microcontroller with the data that detect by MAX1478 by the half-duplex mode computing machine of communicating by letter, computing machine generates the check form with data, and file, use for producing, researching and developing.
The beneficial effects of the utility model:
(1) the utility model cost is low, and the detection efficiency height has self-checking function, is convenient to guarantee accuracy of detection.
(2) the utility model is simple in structure, can detect 8 lithium batteries at every turn, is fit to batch detection, improves detection efficiency.
(4) description of drawings
Accompanying drawing 1 is the schematic diagram that a kind of lithium battery of the utility model detects frock
Accompanying drawing 2 is the testing process figure that a kind of lithium battery of the utility model detects frock
(5) embodiment
A kind of lithium battery detects frock, contains the MCU microcontroller, clock module, and power module, the rectifying and voltage-stabilizing module, the EEPROM data memory module, serial communication module, the lithium battery band carries testing circuit, display module.
Clock circuit is connected to PB6, the PB7 pin of microcontroller, serial communication module (MAX1487) is connected to PD0, the PD1 pin of microcontroller, the Enable Pin of EEPROM data memory module connects in microcontroller by PC4, PC5, and the detected data of microcontroller store in the data memory module through the PC3 mouth.LED connects in microcontroller by PB4, PB5.The lithium battery band carries in the testing circuit, the positive pole of lithium battery and the D of field effect transistor R4 extremely in parallel, R28, R29, four discharge resistances of R32 are after resistance R 3 is connected to the ADC7 pin of microcontroller, the field effect transistor G utmost point is connected by resistance R 5 on the PC0 mouth of MCU microcontroller, cathode of lithium battery ground connection.
After system powered on, the input of the ADC7 mouth of the built-in A/D converter of microcontroller detected the input analog voltage of battery,
Whether A at first MCU detects analog input voltage greater than 0 volt, if voltage, then proves do not have battery to exist less than 0 volt, greater than 0 volt, then proof has battery to exist as if voltage.
The B system has detected battery to be detected and has then at first carried out the no-load voltage detection, this moment, A/D converter carried out the conversion of unloaded aanalogvoltage, if the voltage that inquires through behind the A/D greater than 3.7 volts, then carry out next step detection, otherwise point sends out a warning, and illustrates that battery is defective.
The PC0 port output high level of C MCU, open the lithium battery band and carry testing circuit, after MCU delays time through 4S, A/D converter carries out the aanalogvoltage conversion once more, if relatively arriving the band live presses greater than 3.2V, then microcontroller is lighted little LED (green) automatically and is illustrated that the detection battery is qualified, if relatively arriving the band live presses less than 3.2 volts, then lithium battery continues by load discharge, and microcontroller is inquired about in its change in voltage of 4S～5S, and discharge finishes during 5S, A/D converter carries out the aanalogvoltage conversion once more, if relatively arrive voltage still less than 3.2 volts, illustrate that then battery is defective, system point sends out a warning.
D illustrates that then battery is defective if any step of A, B can not reach setting value, and simultaneity factor is lighted red alarm.
[0024] microcontroller outwards shows the voltage of the lithium battery that is detected by PB2 mouth and PB3 mouth, the data storage that single-chip microcomputer detected is in eeprom memory, microcontroller with the data that detect through MAX1478 by the half-duplex mode computing machine of communicating by letter, computing machine generates the check form with data.
Claims (2)
1. a lithium battery detects frock, contain the MCU microcontroller, clock module, power module, the rectifying and voltage-stabilizing module, the EEPROM data memory module, serial communication module, the lithium battery band carries testing circuit, display module is characterized in that: clock circuit is connected to PB6, the PB7 pin of microcontroller, and serial communication module MAX1487 is connected to PD0, the PD1 pin of microcontroller, the Enable Pin of EEPROM data memory module connects in microcontroller by PC4, PC5, and the detected data of microcontroller store in the data memory module through the PC3 mouth.
2. a kind of lithium battery according to claim 1 detects frock, it is characterized in that: the lithium battery band carries in the testing circuit, the positive pole of lithium battery and the D of field effect transistor R4 extremely in parallel, R28, R29, four discharge resistances of R32 are after resistance R 3 is connected to the ADC7 pin of microcontroller, the field effect transistor G utmost point is connected by resistance R 5 on the PC0 mouth of MCU microcontroller, cathode of lithium battery ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200909786U CN201594132U (en) | 2009-06-22 | 2009-06-22 | Lithium battery detecting tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200909786U CN201594132U (en) | 2009-06-22 | 2009-06-22 | Lithium battery detecting tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594132U true CN201594132U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200909786U Expired - Lifetime CN201594132U (en) | 2009-06-22 | 2009-06-22 | Lithium battery detecting tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201594132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966610A (en) * | 2012-02-29 | 2018-04-27 | 意法半导体(格勒诺布尔2)公司 | Equipment for the floating voltage for measuring battery |
| CN112595984A (en) * | 2020-12-14 | 2021-04-02 | 珠海格力电器股份有限公司 | Lithium battery voltage detection method and device, electrical equipment and storage medium |
| CN113533976A (en) * | 2021-02-08 | 2021-10-22 | 山东中信迪生电源有限公司 | Comprehensive detection method and circuit for lithium battery pack |
-
2009
- 2009-06-22 CN CN2009200909786U patent/CN201594132U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966610A (en) * | 2012-02-29 | 2018-04-27 | 意法半导体(格勒诺布尔2)公司 | Equipment for the floating voltage for measuring battery |
| CN107966610B (en) * | 2012-02-29 | 2020-05-05 | 意法半导体(格勒诺布尔2)公司 | Device for measuring the no-load voltage of a battery |
| CN112595984A (en) * | 2020-12-14 | 2021-04-02 | 珠海格力电器股份有限公司 | Lithium battery voltage detection method and device, electrical equipment and storage medium |
| CN113533976A (en) * | 2021-02-08 | 2021-10-22 | 山东中信迪生电源有限公司 | Comprehensive detection method and circuit for lithium battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUNTRONT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HE'NAN SUNTRONT TECH. CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: In high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 19 Patentee after: SUNTRONT TECHNOLOGY CO., LTD. Address before: In high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 19 Patentee before: He'nan Suntront Tech. Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100929 |