CN202486301U - Configuration calibration system for cell electric quantity monitoring chip - Google Patents
Configuration calibration system for cell electric quantity monitoring chip Download PDFInfo
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- CN202486301U CN202486301U CN2012200221867U CN201220022186U CN202486301U CN 202486301 U CN202486301 U CN 202486301U CN 2012200221867 U CN2012200221867 U CN 2012200221867U CN 201220022186 U CN201220022186 U CN 201220022186U CN 202486301 U CN202486301 U CN 202486301U
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Abstract
Provided is a configuration calibration system for a cell electric quantity monitoring chip, comprising a PC host, a digital multimeter, an electronic load, a controllable power supply, an MCU interface board and an interface board. The advantages are that the configuration calibration system performs configuration and calibration on electric quantity monitoring chips with different structures by combining the digital multimeter, a high performance test apparatus and the MCU interface board, which not only can reduce system complexity, but also can be convenient for system expansion and maintenance, thus the configuration calibration system possesses the characteristics of high speed, low power, low costs, high cost performance, good stability and convenience in use, etc. The electric quantity monitoring chips with different structures only need to change software settings in PC hosts and does not need to replace equipment, which is very convenient to use and substantially reduces test and production costs, thereby meeting the requirements for engineers of research and development, design and production test.
Description
Technical field
The utility model belongs to finished product battery testing technical field, particularly relates to a kind of battery electric quantity chip monitoring with the configuration calibration system.
Background technology
In recent years, along with the fast development of portable type electronic product, the kind of finished product battery is also being brought in constant renewal in.Because lithium ion battery has high-energy-density, long-life, low self-discharge rate, advantage such as pollution-free, become the main flow battery product in market thus rapidly.In order to prevent that lithium ion battery from occurring overcharging or over-discharge state, with the performance safety that guarantees battery with avoid occurring the characteristic degradation phenomenon, must in its electric battery, holding circuit be installed.For making the lithium ion battery can be reliablely and stablely for equipment provides energy, it is carried out Intelligent Measurement also be crucial link with monitoring simultaneously.Be typically provided with the electric quantity monitoring chip in the holding circuit, but the problem that exists at present is: because manufacturer is different, the kind of electric quantity monitoring chip is also inequality; Therefore all can there are differences between configuration, calibration and the communication interface between these chips; Bring inconvenience so not only can for the model change of battery production producer, and need to be equipped with the configuration calibration system of different structure, the result causes the complex structure of system; Production cost raises, and system maintenance inconvenience.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of simple in structure, production cost is low and the battery electric quantity chip monitoring being convenient to safeguard with the configuration calibration system.
In order to achieve the above object, the battery electric quantity chip monitoring that provides of the utility model comprises PC main frame, digital multimeter, electronic load, controllable electric power, MCU interface board and interface board with the configuration calibration system; Wherein the PC main frame is used to control whole system operation, thereby realizes calibration and configuration to the electric quantity monitoring chip; Digital multimeter is a digital multimeter table clamp; Link to each other with the PC main frame; Its input end joins through interface board and electronic load, controllable electric power and electric weight detection chip; Be used to measure the related parameter values on electronic load, controllable electric power and the electric weight detection chip, standard value be provided thereby accomplish calibration for the PC main frame; Electronic load is an electronic load equipment, links to each other with PC main frame, digital multimeter and controllable electric power, and it can test desired load for controllable electric power provides as requested, thereby accomplishes the calibration operation to the electric quantity monitoring chip; Controllable electric power is a controllable electric power equipment; Link to each other with PC main frame, electronic load and electric quantity monitoring chip; Be used to digital multimeter and the electric quantity monitoring chip provides measurement target, and combine, under the control of PC main frame with electronic load; Be used for simulating the various states of practical power work, measure simultaneously for digital multimeter and electric quantity monitoring chip; The MCU interface board is the interface conversion plate, and the one of which end links to each other with the electric quantity monitoring chip through the HDQ interface, and the other end joins through serial ports and PC main frame, is used under the control of PC main frame, accomplishing the configuration calibration operation to the electric quantity monitoring chip; Interface board is the relay switch boards, through the control of MCU interface board, is used for being connected between digital multimeter, electronic load and controllable electric power and the electric quantity monitoring chip.
Described MCU interface board mainly is made up of microcontroller and interface circuit; Wherein microcontroller is used to accomplish the protocol conversion of PC main frame and electric quantity monitoring chip interface; And accomplish configuration operation to the electric quantity monitoring chip according to the instruction of PC main frame; The one of which end links to each other with the PC main frame through interface circuit and port, and the other end joins through serial line interface and electric quantity monitoring chip; Interface circuit is the interface level conversion chip, be used to realize and the PC main frame between physical connection.
Described PC main frame is Lenovo Yangtian A4800R for the PC main frame.
Described digital multimeter adopts the product DMM4070 of America NI company.
Described electronic load adopts the IT6322 of Ai Dekesi Electronics Co., Ltd..
Described controllable electric power adopts the IT851 of Ai Dekesi Electronics Co., Ltd..
Described microcontroller adopts the AVR series monolithic ATMEGA16 of Atmel company.
Described serial line interface is the HDQ interface.
The battery electric quantity chip monitoring that the utility model provides has following advantage with the configuration calibration system:
1. native system is that the mode that adopts digital multimeter, high-performance testing tool to combine with the MCU interface board comes the electric quantity monitoring chip of different structure is configured and calibrates; Not only can reduce the complicacy of system like this; Therefore and be convenient to the expansion and the maintenance of system, have high speed, low-power consumption, low cost, high performance-price ratio, good stability and characteristics such as easy to use.
2. for the electric quantity monitoring chip of different structure; Only need the software setting in the PC main frame be changed and get final product; And need not more exchange device; So not only very easy to use, and can reduce test and production cost greatly, thus can satisfy research and development, design and production test slip-stick artist's requirement.
Description of drawings
Fig. 1 constitutes block diagram for the battery electric quantity chip monitoring that the utility model provides with the configuration calibration system.
Fig. 2 uses MCU interface board circuit theory diagrams in the configuration calibration system for the battery electric quantity chip monitoring shown in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the battery electric quantity chip monitoring that the utility model provides is elaborated with the configuration calibration system.
As shown in Figure 1, the battery electric quantity chip monitoring that the utility model provides comprises PC main frame 1, digital multimeter (DMM) 2, electronic load 3, controllable electric power 4, MCU interface board 6 and interface board 7 with the configuration calibration system; Wherein PC main frame 1 is used to control whole system operation, thereby realizes calibration and configuration to electric quantity monitoring chip 5; Digital multimeter 2 is a digital multimeter table clamp; Link to each other with PC main frame 1; Its input end joins through interface board 7 and electronic load 3, controllable electric power 4 and electric weight detection chip 5; Be used to measure the related parameter values on electronic load 3, controllable electric power 4 and the electric weight detection chip 5, standard value be provided thereby accomplish calibration for PC main frame 1; Electronic load 3 is an electronic load equipment, links to each other with PC main frame 1, digital multimeter 2 and controllable electric power 4, and it can test desired load for controllable electric power 4 provides as requested, thereby accomplishes the calibration operation to electric quantity monitoring chip 5; Controllable electric power 4 is a controllable electric power equipment; Link to each other with PC main frame 1, electronic load 3 and electric quantity monitoring chip 5; Be used to digital multimeter 2 and measurement target be provided, and combine, under the control of PC main frame 1 with electronic load 3 with electric quantity monitoring chip 5; Be used for simulating the various states of practical power work, measure simultaneously for digital multimeter 2 and electric quantity monitoring chip 5; MCU interface board 6 is the interface conversion plate, and the one of which end links to each other with electric quantity monitoring chip 5 through the HDQ interface, and the other end joins through serial ports and PC main frame 1, is used under the control of PC main frame 1, accomplishing the configuration calibration operation to electric quantity monitoring chip 5; Interface board 7 is the relay switch boards, through the control of MCU interface board 6, is used for being connected between digital multimeter 2, electronic load 3 and controllable electric power 4 and the electric quantity monitoring chip 5.
As shown in Figure 2; Described MCU interface board 6 mainly is made up of microcontroller U2 and interface circuit U3; Wherein microcontroller U2 is used to accomplish the protocol conversion of PC main frame 1 and electric quantity monitoring chip 5 interfaces; And accomplish configuration operation to electric quantity monitoring chip 5 according to the instruction of PC main frame 1, and the one of which end links to each other with PC main frame 1 through interface circuit U3 and port J3, and the other end joins through serial line interface JP1 and electric quantity monitoring chip 5; Interface circuit U3 is the interface level conversion chip, be used to realize and PC main frame 1 between physical connection.
Described PC main frame 1 is that PC main frame 1 is Lenovo Yangtian A4800R.
Described digital multimeter 2 adopts the product DMM4070 of America NI company, and it can insert in the bus slot of PXI cabinet, and is connected with PC main frame 1 through Express Card expansion slot.
Described electronic load 3 adopts the IT6322 of Ai Dekesi Electronics Co., Ltd..
Described controllable electric power 4 adopts the IT851 of Ai Dekesi Electronics Co., Ltd..
Described microcontroller U2 adopts the AVR series monolithic ATMEGA16 of Atmel company.
Described serial line interface JP1 is the HDQ interface.
When the battery electric quantity chip monitoring usefulness configuration calibration system work that the utility model provides; At first send instruction by PC main frame 1; So that needed test point on digital multimeter 2, electronic load 3 and the controllable electric power 4 is connected; Digital multimeter 2 related data that will on electronic load 3 and controllable electric power 4, test out sends back in the PC main frame 1 with as standard value then; Simultaneously PC main frame 1 is measured the related data on the electric quantity monitoring chip 5 through MCU interface board 6, and this measurement data and above-mentioned standard value are compared, thereby obtains the correction data of electric quantity monitoring chip 5; PC main frame 1 is written to related data among the FLASH storer of electric quantity monitoring chip 5 through MCU interface board 6 then, and accomplishes corresponding configuration operation as required.
Claims (3)
1. a battery electric quantity chip monitoring is with the configuration calibration system, and it is characterized in that: described battery electric quantity chip monitoring comprises PC main frame (1), digital multimeter (2), electronic load (3), controllable electric power (4), MCU interface board (6) and interface board (7) with the configuration calibration system; Wherein PC main frame (1) is used to control whole system operation, thereby realizes calibration and configuration to electric quantity monitoring chip (5); Digital multimeter (2) is a digital multimeter table clamp; Link to each other with PC main frame (1); Its input end joins through interface board (7) and electronic load (3), controllable electric power (4) and electric weight detection chip (5); Be used to measure the related parameter values on electronic load (3), controllable electric power (4) and the electric weight detection chip (5), standard value be provided thereby accomplish calibration for PC main frame (1); Electronic load (3) is an electronic load equipment, links to each other with PC main frame (1), digital multimeter (2) and controllable electric power (4), and it can test desired load for controllable electric power (4) provides as requested, thereby accomplishes the calibration operation to electric quantity monitoring chip (5); Controllable electric power (4) is a controllable electric power equipment; Link to each other with PC main frame (1), electronic load (3) and electric quantity monitoring chip (5); Be used to digital multimeter (2) and electric quantity monitoring chip (5) provides measurement target, and combine, under the control of PC main frame (1) with electronic load (3); Be used for simulating the various states of practical power work, measure simultaneously for digital multimeter (2) and electric quantity monitoring chip (5); MCU interface board (6) is the interface conversion plate, and the one of which end links to each other with electric quantity monitoring chip (5) through the HDQ interface, and the other end joins through serial ports and PC main frame (1), is used under the control of PC main frame (1), accomplishing the configuration calibration operation to electric quantity monitoring chip (5); Interface board (7) is the relay switch boards, through the control of MCU interface board (6), is used for being connected between digital multimeter (2), electronic load (3) and controllable electric power (4) and the electric quantity monitoring chip (5).
2. battery electric quantity chip monitoring according to claim 1 is with the configuration calibration system; It is characterized in that: described MCU interface board (6) mainly is made up of microcontroller (U2) and interface circuit (U3); Wherein microcontroller (U2) is used to accomplish the protocol conversion of PC main frame (1) and electric quantity monitoring chip (5) interface; And accomplish configuration operation to electric quantity monitoring chip (5) according to the instruction of PC main frame (1); The one of which end links to each other with PC main frame (1) through interface circuit (U3) and port (J3), and the other end joins through serial interface (JP1) and electric quantity monitoring chip (5); Interface circuit (U3) is the interface level conversion chip, is used for the physical connection between realization and the PC main frame (1).
3. battery electric quantity chip monitoring according to claim 2 is characterized in that with the configuration calibration system: described serial interface (JP1) is the HDQ interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200221867U CN202486301U (en) | 2012-01-18 | 2012-01-18 | Configuration calibration system for cell electric quantity monitoring chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200221867U CN202486301U (en) | 2012-01-18 | 2012-01-18 | Configuration calibration system for cell electric quantity monitoring chip |
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| Publication Number | Publication Date |
|---|---|
| CN202486301U true CN202486301U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200221867U Expired - Lifetime CN202486301U (en) | 2012-01-18 | 2012-01-18 | Configuration calibration system for cell electric quantity monitoring chip |
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| CN (1) | CN202486301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569121A (en) * | 2016-11-09 | 2017-04-19 | 惠州市蓝微电子有限公司 | Method for calibrating voltage and current accuracy of power management IC |
| CN108427017A (en) * | 2018-01-31 | 2018-08-21 | 上海思愚智能科技有限公司 | A kind of test system and terminal |
-
2012
- 2012-01-18 CN CN2012200221867U patent/CN202486301U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569121A (en) * | 2016-11-09 | 2017-04-19 | 惠州市蓝微电子有限公司 | Method for calibrating voltage and current accuracy of power management IC |
| CN108427017A (en) * | 2018-01-31 | 2018-08-21 | 上海思愚智能科技有限公司 | A kind of test system and terminal |
| CN108427017B (en) * | 2018-01-31 | 2020-07-28 | 浙江万物工场智能科技有限公司 | Test system and terminal |
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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: TIANJIN JINNENG YIANTAI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TIANJIN EMPIRETEST CORPORATION |
|
| CP03 | Change of name, title or address |
Address after: 300384 Huayuan Industrial Zone Tianjin City Road No. 10 Patentee after: Tianjin Jinneng Yiantai Technology Co., Ltd. Address before: 300384 Tianjin city Nankai District Huayuan Science Park Haitai development six 6 Haitai green industry base 3 door 301 seat M8 Patentee before: Tianjin Empiretest Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |