CN202453478U - Laptop battery monitoring system - Google Patents
Laptop battery monitoring system Download PDFInfo
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- CN202453478U CN202453478U CN2011205385727U CN201120538572U CN202453478U CN 202453478 U CN202453478 U CN 202453478U CN 2011205385727 U CN2011205385727 U CN 2011205385727U CN 201120538572 U CN201120538572 U CN 201120538572U CN 202453478 U CN202453478 U CN 202453478U
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- circuit board
- integrated circuit
- smbus
- interface
- interface card
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Abstract
The utility model discloses a laptop battery monitoring system, which comprises a communication measurement module, an electronic load interface card, a linear power supply interface card, an internal resistance tester interface card, a digital multimeter interface card, a control unit interface card, a test return circuit unit and an IPC, wherein the communication measurement module, the electronic load interface card, the linear power supply interface card and the internal resistance tester interface card are electrically connected with the IPC through a COM serial interface circuit; the digital multimeter interface card and the control unit interface card are electrically connected with the IPC through a PCI interface circuit; and the output terminals of all the interface cards are electrically connected with the battery of a laptop to be tested through a test return circuit unit. The laptop battery monitoring system has the benefits as follows: the technical scheme that a PCI frame, a high-performance testing module and a communication module are combined together is adopted, as a result, the laptop battery monitoring system can be configured dependently for system monitoring and can be used for multi-station tests, thereby increasing the testing efficiency; and in addition, the laptop battery monitoring system can perform data exchange with a host computer, and can be compatible with various power monitoring chips.
Description
Technical field
The utility model relates to a kind of battery monitoring system, particularly relates to a kind of cells in notebook computer monitoring system, belongs to the battery monitoring system technical field.
Background technology
Existing Notebook Battery testing apparatus manufacturer is in the majority with Japan and Korea S; The technology comparative maturity; But cost an arm and a leg; Though domestic have a part similar devices, the system testing precision is relatively low, and active demand system architecture in market is simple, practice thrift cost and the higher cells in notebook computer monitoring system of measuring accuracy.
Granted publication number is the practical new patent of CN202033439U; Title is portable laboratory; This patent specifically discloses the PXI integrated circuit board of instrument moduleization; Comprise, oscillograph integrated circuit board, multimeter integrated circuit board numeral I/O integrated circuit board and power supply integrated circuit board, and introduced the composition and the principle of work of above-mentioned modular PXI integrated circuit board in detail.
Summary of the invention
This practical new technical matters to be solved is, overcomes defective of the prior art, provide a kind of system architecture simple, practice thrift cost and the higher cells in notebook computer monitoring system of measuring accuracy.
This practical new technical scheme that adopts is; A kind of cells in notebook computer monitoring system; Comprise; Communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board, internal resistance test device integrated circuit board, digital multimeter integrated circuit board DMM, control module integrated circuit board DIO, test loop unit and industrial computer, described communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board and internal resistance test device integrated circuit board are electrically connected with described industrial computer through the COM serial port interface circuit each other; Described digital multimeter integrated circuit board DMM and control module integrated circuit board DIO, through the pci interface circuit be electrically connected each other with described industrial computer; The output of described communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board, internal resistance test device integrated circuit board, digital multimeter integrated circuit board DMM and control module integrated circuit board DIO; Be electrically connected each other with the determinand cells in notebook computer through described test loop unit, described communication measurement module SMBus is provided with the SMBus communication interface and is electrically connected each other with SMBus communication interface on the determinand cells in notebook computer.
Described communication measurement module SMBus comprises, RS232 interface circuit, main control unit, SMBus interface battery unit; Described main control unit is electrically connected with industrial computer through the RS232 interface circuit each other, described SMBus interface battery unit; Also comprise; Test loop plate unit, described main control unit also is electrically connected with SMBus communication interface on the determinand cells in notebook computer through said test loop plate unit each other; The MCU chip of described main control unit, 8 AVR microprocessors of employing atmel corp high-performance, low-power consumption, model is Mega16.
Also include front panel, said front panel is provided with each test channel interface and the pilot lamp that shows each TCH test channel state.
Said test loop plate unit is provided with relay board and motherboard that the form that patches connects, and adopting the model of relay is BTR-1215.
This practical new beneficial effect is; The technical scheme that this practical new employing PCI framework, high-performance test module and communication module combine; On the basis that guarantees good test performance, reduced the complicacy of system, be easy to expansion; Have high speed, low-power consumption, low cost, high performance-price ratio, good stability and characteristics such as easy to use, thereby greatly reduce testing cost; Can carry out the separate configurations monitoring system, the multistation test increases testing efficiency; Employing SMBUS communication function carries out the SBS register, the EEPROM/FLASH data are carried out operations such as reading and writing, modification, realizes and the host computer exchanges data; Can compatible multiple electric quantity monitoring chip.
Description of drawings
Fig. 1 is this practical new cells in notebook computer monitoring system test macro configuration diagram;
Fig. 2 is this practical new SMBus communication test module principle block diagram;
Fig. 3 is this practical new SMBus communication system figure;
Fig. 4 is this practical new SMBus communication test module principle figure;
Fig. 5 is the control relay road output circuit schematic diagram 1 of the utility model
Fig. 6 is the control relay road output circuit schematic diagram 2 of the utility model
Fig. 7 is the control relay road output circuit schematic diagram 3 of the utility model
Fig. 8 is the control relay road output circuit schematic diagram 4 of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment to this practical new work further explain:
Fig. 1 is this practical new cells in notebook computer monitoring system test macro configuration diagram; As shown in Figure 1; A kind of cells in notebook computer monitoring system; Comprise; Communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board, internal resistance test device integrated circuit board, digital multimeter integrated circuit board DMM, control module integrated circuit board DIO, test loop unit and industrial computer, described communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board and internal resistance test device integrated circuit board are electrically connected with described industrial computer through the COM serial port interface circuit each other; Described digital multimeter integrated circuit board DMM and control module integrated circuit board DIO, through the pci interface circuit be electrically connected each other with described industrial computer; The output of described communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board, internal resistance test device integrated circuit board, digital multimeter integrated circuit board DMM and control module integrated circuit board DIO; Be electrically connected each other with the determinand cells in notebook computer through described test loop unit, described communication measurement module SMBus is provided with the SMBus communication interface and is electrically connected each other with SMBus communication interface on the determinand cells in notebook computer.
Described communication measurement module SMBus comprises, RS232 interface circuit, main control unit, SMBus interface battery unit; Described main control unit is electrically connected with industrial computer through the RS232 interface circuit each other, described SMBus interface battery unit; Also comprise; Test loop plate unit, described main control unit also is electrically connected with SMBus communication interface on the determinand cells in notebook computer through said test loop plate unit each other; The MCU chip of described main control unit, 8 AVR microprocessors of employing atmel corp high-performance, low-power consumption, model is Mega16.
Said test loop plate unit is provided with relay board and motherboard that the form that patches connects, and adopting the model of relay is BTR-1215.Front panel is provided with the interface and the pilot lamp that shows each TCH test channel state of each TCH test channel.
In order to guarantee The measuring precision, select the instrument and meter integrated circuit board of high-accuracy high-resolution in this practical new equipment for use, each instrument and meter integrated circuit board all has good antijamming capability.The linear power supply integrated circuit board of wherein selecting for use is the linear power supply that ripple is little, antijamming capability strong, output is stable, has avoided causing because of the electromagnetic interference (EMI) between the instrument reduction of system accuracy.Simultaneously, through software approach, measurement result is effectively compensated the accuracy of measuring to guarantee.In addition, equipment also has basic measurement calibration function, guarantees the operate as normal of all hardware.This is practical newly to have the reverse connecting protection function, in actual production because battery reversal connection phenomenon appears in maloperation, this practical follow-up test flow process that newly stops automatically, and propose caution to the relevant personnel, when battery is correct connect after, system recovers test automatically.Front panel at equipment leaves each test channel interface, and, can show the pilot lamp of each TCH test channel state to make things convenient for the user to understand the current state of each passage.External input equipment adopts global function band trace ball keyboard, and is installed in the pallet of lower turning type, makes things convenient for production line to use.
Fig. 2 is this practical new SMBus communication test module principle block diagram; Fig. 3 is this practical new SMBus communication system figure; Fig. 4 is this practical new SMBus communication test module principle figure; Extremely shown in Figure 4 like Fig. 2; The principle of work of SMBus communication module: select the MAX2323 chip for use; Realize that serial port connector is connected with the communication of MCU, system is that MCU provides 3.3 V WVs, after drawing on the PC0 of MCU and the PC1 pin respectively with the communication of the SMBC that is connected plug-in unit, SMBD connection realization and determinand SMBC and SMBD; PA0 and PA1 pin are realized the control to the peripherals pilot lamp after connecing output protection circuit, through MOSI, MISO, SCK, RST pin burning program.
Described communication measurement module SMBus comprises, RS232 interface circuit, main control unit, SMBus interface battery unit; Described main control unit; Be electrically connected each other with industrial computer through the RS232 interface circuit, with upper machine communication, described main control unit; Be electrically connected visit electric quantity monitoring chip each other with SMBus communication interface on the determinand cells in notebook computer through SMBus interface battery unit; The MCU chip of described main control unit, 8 AVR microprocessors of employing atmel corp high-performance, low-power consumption, model is Mega16.The SMBus bus is a special I2 C bus, comprises data protocol, and device address and extra electric requirement are to be designed at intelligent battery, SMBus main frame, the bus of transmission command and information between intelligent battery charger and other smart machines.The function of main control part mainly is: MCU according to the communications protocol of host computer; The instruction that the response host computer sends; Through SMBus interface battery unit determinand cells in notebook computer Gas Gauge IC inner SBS register, EEPROM/FLASH are carried out operations such as reading and writing, modification, and then functions such as release, data download are tested, are added in protections such as the PCM that accomplishes customer requirements calibrate, overcharges, excess temperature.This system can compatible multiple electric quantity monitoring chip, as: BQ2084, BQ2085 BQ20z70, BQ20z75, BQ20z80, BQ20z90, BQ20z95, BQ2060, BQ3060, R2J24020, R2J24050 etc.Can carry out read-write operation to the SBS data and the DataFlash data of access chip.
Fig. 5-the 8th, this practical new pilot relay output circuit schematic diagram; Shown in Fig. 5-8; The circuit working principle is: the action that corresponding high-low level is controlled relevant relay is exported in the instruction through described control module integrated circuit board DIO sends according to described industrial computer; Realize being connected of required test resource and determinand test port, form and measure the loop, in order to protect control module integrated circuit board DIO; Each output terminal of integrated circuit board all has corresponding protection circuit, and each output terminal is independently controlled one or several relays.
The test loop plate adopts clastotype; Be divided into relay board and motherboard; This test loop mainly passes through the switching of control module integrated circuit board DIO pilot relay; Realize the connection of resource and the relevant pin of object to be measured, each control end all has the independent protection circuit, adopts the BTR-1215 relay in this test loop.In process of production; As find same or multinomial test fail in the half-finished test of polylith; Or relay damaged, as long as the relay board that will be inserted on the motherboard takes off, change new relay board and get final product; Relay board promptly can adopt the connector of band lead to be connected the mode that also can adopt wiring board directly to patch with the connected mode of motherboard.
Finished product and half-finished electric property that this monitoring system is mainly used in intelligent battery groups such as Notebook Battery detect; And; To the operations such as reading and writing, comparison and modification of inner SBS register of the power management chip on the battery protecting plate and EEPROM/Flash, accomplish dependence test to the intelligent battery group.
The technical scheme that this practical new employing PCI framework, high-performance test module and communication module combine; On the basis that guarantees good test performance; Reduce the complicacy of system, be easy to expansion, had high speed, low-power consumption, low cost, high performance-price ratio, good stability and characteristics such as easy to use; Thereby greatly reduce testing cost, expired research and development, design and production test slip-stick artist's demand.Adopt the separate configurations proving installation, the multistation test increases testing efficiency.The SMBUS communication function: SBS register, EEPROM/FLASH data are carried out operations such as reading and writing, modification, realize and the host computer exchanges data; SMBUS communication can compatible multiple electric quantity monitoring chip.
Claims (1)
1. cells in notebook computer monitoring system; It is characterized in that; Comprise; Communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board, internal resistance test device integrated circuit board, digital multimeter integrated circuit board DMM, control module integrated circuit board DIO, test loop unit and industrial computer, described communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board and internal resistance test device integrated circuit board are electrically connected with described industrial computer through the COM serial port interface circuit each other; Described digital multimeter integrated circuit board DMM and control module integrated circuit board DIO, through the pci interface circuit be electrically connected each other with described industrial computer; The output of described communication measurement module SMBus, electronic load integrated circuit board, linear power supply integrated circuit board, internal resistance test device integrated circuit board, digital multimeter integrated circuit board DMM and control module integrated circuit board DIO; Be electrically connected each other with the determinand cells in notebook computer through described test loop unit, described communication measurement module SMBus is provided with the SMBus communication interface and is electrically connected each other with SMBus communication interface on the determinand cells in notebook computer.
2, a kind of cells in notebook computer monitoring system according to claim 1 is characterized in that, described communication measurement module SMBus; Comprise RS232 interface circuit, main control unit, SMBus interface battery unit, described main control unit; Be electrically connected each other with industrial computer through the RS232 interface circuit; Described SMBus interface battery unit also comprises, test loop plate unit; Described main control unit also is electrically connected with SMBus communication interface on the determinand cells in notebook computer through said test loop plate unit each other; The MCU chip of described main control unit, 8 AVR microprocessors of employing atmel corp high-performance, low-power consumption, model is Mega16.
3, a kind of cells in notebook computer monitoring system according to claim 1 and 2 is characterized in that, also includes front panel, and said front panel is provided with each test channel interface and the pilot lamp that shows each TCH test channel state.
4, a kind of cells in notebook computer monitoring system according to claim 2 is characterized in that, said test loop plate unit is provided with relay board and motherboard that the form that patches connects, and adopting the model of relay is BTR-1215.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205385727U CN202453478U (en) | 2011-12-21 | 2011-12-21 | Laptop battery monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205385727U CN202453478U (en) | 2011-12-21 | 2011-12-21 | Laptop battery monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN202453478U true CN202453478U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205385727U Expired - Lifetime CN202453478U (en) | 2011-12-21 | 2011-12-21 | Laptop battery monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445666A (en) * | 2011-12-21 | 2012-05-09 | 天津市贲雷科技发展有限公司 | Laptop battery monitoring system and monitoring method |
| CN103439667A (en) * | 2013-09-03 | 2013-12-11 | 山东大学 | System and method for testing battery based on PXI bus technology |
-
2011
- 2011-12-21 CN CN2011205385727U patent/CN202453478U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445666A (en) * | 2011-12-21 | 2012-05-09 | 天津市贲雷科技发展有限公司 | Laptop battery monitoring system and monitoring method |
| CN102445666B (en) * | 2011-12-21 | 2013-12-11 | 天津市贲雷科技发展有限公司 | Laptop battery monitoring system and monitoring method |
| CN103439667A (en) * | 2013-09-03 | 2013-12-11 | 山东大学 | System and method for testing battery based on PXI bus technology |
| CN103439667B (en) * | 2013-09-03 | 2016-08-17 | 山东大学 | Battery test system based on PXI bussing technique and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
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| CX01 | Expiry of patent term |