CN2643330Y - Digital cell with liquid crystal display - Google Patents
Digital cell with liquid crystal display Download PDFInfo
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- CN2643330Y CN2643330Y CN 03284159 CN03284159U CN2643330Y CN 2643330 Y CN2643330 Y CN 2643330Y CN 03284159 CN03284159 CN 03284159 CN 03284159 U CN03284159 U CN 03284159U CN 2643330 Y CN2643330 Y CN 2643330Y
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Abstract
The utility model relates to a DC storage battery pack, in particular to a digital battery pack with an LCD, and consists of a single storage battery pack, a circuit board equipped with a memory, an intelligent management chip having SMBC and SMBD communication cables or an HDQ series communication interface respectively connected with a communication port of a microprocessor. The microprocessor is connected with a corresponding data cable and a control cable of the LCD through a data bus and a control bus equipped inside the microprocessor. The utility model can accurately display the service status of the storage battery through the LCD, keys and internal circuit; dynamically displays such parameters as circulation times, a remained capacity, the temperature, charging current and voltage, chemical characteristics and so on for the storage battery; also benefits the users to visually and quickly understand the service status of the storage battery pack, thereby attaining the goal of a high-effective and convenient management and a economic and reliable use.
Description
One. technical field: the utility model relates to a kind of direct-flow storage battery group, particularly relates to a kind of digital electric battery that has liquid crystal display.
Two. background technology: the direct-flow storage battery power supply has purposes widely in industrial and agricultural production and news report in communication and the daily life.The electric capacity of accumulator, cycle index, charge-discharge characteristic and voltage, electric current, the mensuration of each parameter such as temperature has significance, each battery production manufacturer and relevant technologies personnel have made very big effort, some effective solution have also been proposed, for example ZL95229831.7 discloses a kind of full-computerized battery parameter measuring instrument, and this measuring instrument comprises microprocessor, A/D converter, routing inspection circuit, RAM, display and keyboard etc. can show and monitor cell voltage, electric current and environment temperature etc., relatively be applicable to battery production manufacturer and repair service, but everyone is equipped with one for camera work person and fan, obviously be unpractical, moreover also inconvenience is carried; Application number is 95196735.6 a kind of smart battery devices of announcing in addition, 95196008.3 a kind of a kind of algorithm that is used for to outside device report battery parameter that proposes, all from structure with in theory detailed introduction has been made in the monitoring of battery parameter, but, obviously also have very long stretch to walk to the professional equipment battery that how to be applied to industrialization, to have standard specification.
Sell the home market at present, often there is following point in actual use in the professional camera battery that central authorities, each TV station of provinces and cities use: (1). and the residual capacity of battery is indicated by light emitting diode according to cell voltage, use and inside battery changes of properties along with battery, cell voltage can not accurately reflect the residual capacity of battery, even it is widely different, its actual capacity is less than 30% when indicating full capacity sometimes, this wrong indication might influence the work of journalist's shooting, causes news and special topic satisfactorily not to finish.(2). the light emitting diode indication, can not accurately reflect inside battery information, be difficult to determine the behaviour in service of battery: as important parameters such as cycle index, tenure of use, cause part to have the battery of hidden danger still to use easily in important place, very easily influence television program designing, even cause the shooting of occasion to fail, make battery production manufacturer be subjected to user's great number claim.(3). light emitting diode is indicated, and can not distinguish the quality of battery at short notice, iff owing to certain one or a few battery goes wrong whole battery group being scrapped, is easy to cause unnecessary waste, strengthens the difficulty and the input of environmental protection.(4). the light emitting diode indication, can not accurately reflect inside battery information, be difficult to realize the efficient bulk management of battery, though find a place for some band liquid crystal display of battery of interface, the display message amount is few, and not by pressing key control, user's acquired information is more passive, and is not too convenient.
Three. the utility model content:
Problem to be solved in the utility model is that the shortcoming at the background technology common batteries exists proposes a kind of digital electric battery that has liquid crystal display, realizes the purpose of battery-efficient management.
The technical solution adopted in the utility model: a kind of digital electric battery that has liquid crystal display, contain and be installed in, cell batteries group in the lower house, circuit board, the serial storage that meets the communication of I2C two lines is housed on this circuit board, the intelligent management chip is bq2060 or PS401, output control terminal 10～14 pin of bq2060 connect the emitter of triode Q1 through LED 1～LED5 and each self-corresponding current-limiting resistance R8～R4, the collector of Q1 connects the cathode output end of digital electric battery, the base stage of Q1 meets VCC, cell batteries group BAT1～BAT4 is connected in series, the positive pole of each cell batteries connects each cell batteries voltage input end pin 26～23 of chip bq2060 through resistance R 11～R14, the REG pin of bq2060 is adjusted electric battery by external field effect transistor and is given the supply voltage VCC of self, the positive pole output of digital electric battery is connected with the collector of Q1 and the drain electrode of field effect transistor, the VCC of the 6 pin connected storages of bq2060, its serial clock pin 2 and serial data interface 3 pin connect 6 and 5 pin of storer respectively, it is characterized in that: the order wire SMBC of bq2060, SMBD or HDQ serial communication port connect the communication port of little processing respectively, microprocessor is connected with control line with the LCD respective data lines with control bus by the data bus that inside is provided with, microprocessor has an I/O port to connect pull-up resistor, and this port connects keyswitch ground connection simultaneously.
Microprocessor can adopt P87LPC769, or MSP430, or PIC series, LCD can adopt the LCD of serial or parallel communication interface, as AM12846T is the parallel communications LCD, and I2C two lines communication serial storage can be with 24LC16 or 24LC01A.
Microprocessor adopts P87LPC769, LCDs can adopt AM12846T, the communication port SMBC of bq2060, the communication port 9 of SMBD or HDQ and little processing P87LPC769,10 pin connect, the 5 pin ground connection of microprocessor P87LPC769,15 pin connect+the 5V power supply, reset terminal 4 pin of P87LPC769 connect+the 5V power supply through resistance, 4 pin connect keyswitch SW-PB ground connection simultaneously, 11 of microprocessor, 12,3,6,7,8 pin are set to the control output end by inside, connect 6 of LCDs AM12846T respectively, 5,4,3,2,1 pin, the P0 mouth of microprocessor is set to data output end by inside, its output terminal 1,20,19,18,17,16,14,13 connect data input pin 7～14 pin of AM12846T respectively.
Communication mode can adopt HDQ bus communication mode, and 1 pin of bq2060 is connected with communication port 9 pin of little processing P87LPC769.
Chip temperature input pin 19 jointing temp sensor RT, capacitor C 1, resistance R 10, R10 tandem tap S2 is connected with VCC, C1, the RT other end and VSS ground connection, the temperature sensor biasing control pin of chip connects switch S 2, and the discharge FET control and the charging FET of chip are controlled to be pin 16,15.
The pin 5,7,17,20～26 of chip bq2060 is through shunt capacitance C2～C10 ground connection, current sensor input pin 20,21 is through resistance R 16, R17 order accumulator body group negative pole, register standby voltage input pin 4 connects the BAT4 positive pole through diode D1, resistance R 15, and communication port SMBC, SMBD or HDQ are connected in series R19, R22 respectively; R20, R23; R21, R24 realize and microprocessor communication; Chip communication mouth SMBC, 8MBD or HDQ are respectively through resistance R 27, R26, R25 ground connection, and the contact of R19 and R22, R20 and R23, R21 and R24 is respectively through voltage stabilizing diode D4, D3, D2 ground connection.
Positive beneficial effect of the present utility model:
1. on battery, install running status and battery performance parameter that battery management system and LCDs (LCD) can intuitively show battery additional.
2. can accurately show the battery behaviour in service by LCDs, button and internal circuit: dynamically show important parameters such as cycle index that battery used, residual capacity, battery temperature, charging current, voltage, chemical characteristic; The user can understand the electric battery situation intuitively, efficiently, thereby reaches efficient administration, convenience, uses economic and reliable.
3. show for the residual capacity of battery, no matter battery charging and discharging or zero load, no longer using other equipment just can be by the demonstration accurately directly perceived of liquid crystal screen; Problem that there were significant differences when load and unloaded and charging, on-the-spot reliable use of the staff that is more convenient for have been overcome in the diode displaying mode.
4. because liquid crystal screen shows accurately intuitively, make the use of battery and battery information that the supvr obtains accurately and reliably, take the management and the using method of scientific optimization, prolonged the serviceable life of battery.
Four: description of drawings:
Fig. 1: the circuit block diagram that has the digital electric battery of liquid crystal display
Fig. 2: battery intelligent management chip and peripheral circuit principle schematic
Fig. 3: SMBUS bus communication mode synoptic diagram
Fig. 4: HDQ bus communication mode synoptic diagram
Fig. 5: power circuit principle synoptic diagram
Five. embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, be prior art in the square frame among Fig. 1, Fig. 2 is its physical circuit principle schematic, present embodiment utilizes SMBUS bus communication mode, be connected with single-chip microcomputer P87LPC769 communication port by intelligent management chip bq2060 communication port SMBC, SMBD, connect liquid crystal display by P87LPC769 again, realize further optimization, the numberization of battery intelligent management.P87LPC769 is the single-chip microcomputer of 20 pin compact package, can under the performance requirement of wide region, realize the high integration low cost solution, the high speed low speed crystal oscillator and the RC mode of oscillation of selection able to programme are provided, have the operating voltage range of broad and provide programmable I/O mouth output mode to select, can select schmidt trigger input, LED to drive output and inner WatchDog Timer.It is the twice of standard 80C51 MCU that P87LPC769 makes instruction execution speed based on the OverDrive Processor ODP structure of 80C51.Fig. 5 is single-chip microcomputer and liquid crystal display power supply circuit principle schematic.Fig. 3 is a present embodiment physical circuit principle schematic.
Among Fig. 2,3,2,6 pin of battery intelligent management chip bq2060 are 5,6 and 8 pin of connected storage EEPROM respectively, be connected to resistance R 1, R2 between 5 and 6,8 pin of storer, 1,2,4,7 pin ground connection of storer are connected in series switch S 1 simultaneously and insert 9 pin of bq2060 and meet VCC through resistance.Chip temperature input pin 19 jointing temp sensor RT, capacitor C 1, resistance R 10, R10 tandem tap S2 is connected with VCC, C1, the RT other end and VSS ground connection, the temperature sensor biasing control pin 18 of chip connects switch S 2, and the discharge FET control and the charging FET of chip are controlled to be pin 16,15.20 of bq2060,23,24,25,26 each cell of pin order body electric battery, 5 of bq2060,7 pin connect grid and the source electrode of field effect transistor Q2 respectively, the drain electrode order body battery anode of Q2,10～14 pin of bq2060 are connected to the LED 1～LED5 of current-limiting resistance, the emitter of another termination transistor of current-limiting resistance R4～R8 Q1, the collector order body battery anode of Q1, base stage connects+the 5V power supply through resistance R 5,1 pin of bq2060,27 and 28 pin are respectively the HDQ bus way of output and the SMBUS bus way of output, respectively through resistance R 21, R24; R19, R22; R20, R23 output communication information realize and microprocessor communication.Chip communication mouth SMBC, SMBD or HDQ are respectively through resistance R 27, R26, R25 ground connection, R19 and R22, R20 and R23, R21 and R24 series connection, its contact is respectively through voltage stabilizing diode D4, D3, D2 ground connection, and chip 20 pin are through resistance R 16 order accumulator body group negative poles.
The communication port 9 of little processing among Fig. 3 and 10 pin connect 27,28 pin (through resistance) of bq2060,11,12,3,6,7,8 pin of microprocessor are set to the control output end by inside, 6,5,4,3,2,1 pin that connects LCDs AM12846T respectively, the P0 mouth of microprocessor is set to data output end by inside, connects data input pin 7～14 pin of AM12846T respectively by pin one, 20,19,18,17,16,14,13.The 5 pin ground connection of microprocessor P87LPC769,15 pin connect+the 5V power supply, and the P1.5 of P87LPC769 connects+the 5V power supply through resistance, and 4 pin connect simultaneously selects ground connection keyswitch SW-PB.The 15 pin ground connection of AM12846T, 16 pin connect+the 5V power supply.
Its course of work is as follows: battery is unloaded for a long time, display screen is in dormant state, when battery status change or press when strong, CPU starts display screen, inside battery deposits the operational factor of battery and state parameter in register in real time by the intelligent battery managing chip, the P87LPC769 high-speed microprocessor reads the valid data that battery management chip was handled by SMBUS bus or HDQ bus, cycle index and residue power-on time code as battery, behind these codes of CPU judgment processing, find corresponding character, the lteral data that will show is sent to liquid-crystal controller, drives liquid crystal display more various data are come out in corresponding position display.Can also pass through button, parameters such as cell voltage, electric current, temperature, chemical characteristic are checked in page turning.In battery operated or when charging, display screen shows parameters such as battery status and cell voltage, electric current, temperature, chemical characteristic automatically.
Embodiment two: referring to Fig. 1, Fig. 2, Fig. 4, Fig. 5, present embodiment only is with embodiment one difference: intelligent management chip and microprocessor adopt HDQ bus communication mode, 9 pin of microprocessor P87LPC769 connect communication port 1 pin (through resistance) of bq2060, realize both exchanges data, other repeats no more with embodiment one.
It is pointed out that at this single-chip microcomputer adopts MSP430 or PIC series, need not to change the one-piece construction and the normalized form of existing electric battery, can realize technique effect of the present utility model equally.If must expand single-chip microcomputer and other model LCDs that just can finish said function by band but adopt, though can reach same technique effect, then essential structure and the volume that changes existing product, but relate to the standardization issue of product, there is not market as fruit product, can not promote, then without any being worth.
Claims (6)
1. digital electric battery that has liquid crystal display, contain and be installed in, cell batteries group in the lower house, circuit board, the serial storage that meets the communication of I2C two lines is housed on this circuit board, the intelligent management chip is bq2060 or PS401, output control terminal 10～14 pin of bq2060 connect the emitter of triode Q1 through LED 1～LED5 and each self-corresponding current-limiting resistance R8～R4, the collector of Q1 connects the cathode output end of digital electric battery, the base stage of Q1 meets VCC, cell batteries group BAT1～BAT4 is connected in series, the positive pole of each cell batteries connects each cell batteries voltage input end pin 26～23 of chip bq2060 through resistance R 11～R14, the REG pin of bq2060 is adjusted electric battery by external field effect transistor and is given the supply voltage VCC of self, the positive pole output of digital electric battery is connected with the collector of Q1 and the drain electrode of field effect transistor, the VCC of the 6 pin connected storages of bq2060, its serial clock pin 2 and serial data interface 3 pin connect 6 and 5 pin of storer respectively, it is characterized in that: the order wire SMBC of bq2060, SMBD or HDQ serial communication port connect the communication port of little processing respectively, microprocessor is connected with control line with the LCD respective data lines with control bus by the data bus that inside is provided with, microprocessor has an I/O port to connect pull-up resistor, and this port connects keyswitch ground connection simultaneously.
2. digital electric battery according to claim 1, it is characterized in that: microprocessor can adopt P87LPC769, or MSP430, or PIC series, LCD can adopt the LCD of serial or parallel communication interface, as AM12846T is the parallel communications LCD, and I2C two lines communication serial storage can be with 24LC16 or 24LC01A.
3. digital electric battery according to claim 1 and 2, it is characterized in that: microprocessor adopts P87LPC769, LCDs can adopt AM12846T, the communication port SMBC of bq2060, the communication port 9 of SMBD or HDQ and little processing P87LPC769,10 pin connect, the 5 pin ground connection of microprocessor P87LPC769,15 pin connect+the 5V power supply, reset terminal 4 pin of P87LPC769 connect+the 5V power supply through resistance, 4 pin connect keyswitch ground connection simultaneously, 11 of microprocessor, 12,3,6,7,8 pin are set to the control output end by inside, connect 6 of LCDs AM12846T respectively, 5,4,3,2,1 pin, the P0 mouth of microprocessor is set to data output end by inside, its output terminal 1,20,19,18,17,16,14,13 connect data input pin 7～14 pin of AM12846T respectively.
4. digital electric battery according to claim 3 is characterized in that: communication mode can adopt HDQ bus communication mode, and 1 pin of bq2060 is connected with communication port 9 pin of little processing P87LPC769.
5. digital electric battery according to claim 3, it is characterized in that: chip temperature input pin 19 jointing temp sensor RT, capacitor C 1, resistance R 10, R10 tandem tap S2 is connected with VCC, C1, the RT other end and VSS ground connection, the temperature sensor biasing control pin of chip connects switch S 2, and the discharge FET control and the charging FET of chip are controlled to be pin 16,15.
6. digital electric battery according to claim 3, it is characterized in that: the pin 5,7,17,20～26 of chip bq2060 is through shunt capacitance C2～C10 ground connection, current sensor input pin 20,21 is through resistance R 16, R17 order accumulator body group negative pole, register standby voltage input pin 4 connects the BAT4 positive pole through diode D1, resistance R 15, and communication port SMBC, SMBD or HDQ are connected in series R19, R22 respectively; R20, R23; R21, R24 realize and microprocessor communication; Chip communication mouth SMBC, SMBD or HDQ are respectively through resistance R 27, R26, R25 ground connection, and the contact of R19 and R22, R20 and R23, R21 and R24 is respectively through voltage stabilizing diode D4, D3, D2 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284159 CN2643330Y (en) | 2003-08-27 | 2003-08-27 | Digital cell with liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284159 CN2643330Y (en) | 2003-08-27 | 2003-08-27 | Digital cell with liquid crystal display |
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| CN2643330Y true CN2643330Y (en) | 2004-09-22 |
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| CN 03284159 Expired - Fee Related CN2643330Y (en) | 2003-08-27 | 2003-08-27 | Digital cell with liquid crystal display |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8044815B2 (en) | 2006-03-03 | 2011-10-25 | O2Micro Inc | Systems and methods for battery status indication |
| CN102333688A (en) * | 2009-02-27 | 2012-01-25 | 罗伯特·博世有限公司 | Method for managing a power supply |
| CN105355165A (en) * | 2015-11-23 | 2016-02-24 | 深圳创维－Rgb电子有限公司 | Display screen drive circuit, television set and display device |
| CN113595558A (en) * | 2021-09-30 | 2021-11-02 | 杭州米芯微电子有限公司 | Multi-key judgment system based on LCD pin multiplexing |
| CN117013664A (en) * | 2023-09-27 | 2023-11-07 | 睿尔曼智能科技（北京）有限公司 | Wireless control device and system for mechanical arm |
-
2003
- 2003-08-27 CN CN 03284159 patent/CN2643330Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8044815B2 (en) | 2006-03-03 | 2011-10-25 | O2Micro Inc | Systems and methods for battery status indication |
| CN101038328B (en) * | 2006-03-03 | 2012-10-03 | 凹凸科技国际股份有限公司 | Systems and methods for battery status indication |
| US8330608B2 (en) | 2006-03-03 | 2012-12-11 | O2Micro, Inc. | Systems and methods for battery status indication |
| CN102333688A (en) * | 2009-02-27 | 2012-01-25 | 罗伯特·博世有限公司 | Method for managing a power supply |
| CN105355165A (en) * | 2015-11-23 | 2016-02-24 | 深圳创维－Rgb电子有限公司 | Display screen drive circuit, television set and display device |
| CN113595558A (en) * | 2021-09-30 | 2021-11-02 | 杭州米芯微电子有限公司 | Multi-key judgment system based on LCD pin multiplexing |
| CN117013664A (en) * | 2023-09-27 | 2023-11-07 | 睿尔曼智能科技（北京）有限公司 | Wireless control device and system for mechanical arm |
| CN117013664B (en) * | 2023-09-27 | 2024-01-26 | 睿尔曼智能科技（北京）有限公司 | Wireless control device and system for mechanical arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGZHOU KEMA POWER CO., LTD. Free format text: FORMER OWNER: ZHENGZHOU KEMA ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20090612 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090612 Address after: Room 1356, No. 603, East sailing Road, Zhengzhou economic and Technological Development Zone, Henan, China: 450016 Patentee after: Zhengzhou KEMA Power Supply Co., Ltd. Address before: 301, building 1096, East navigation road, Henan, Zhengzhou Province, China: 450016 Patentee before: Zhengzhou Kema Electronic Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU KEMA MOVIE-TV OPTO-ELECTRONICS CO., LTD. Free format text: FORMER NAME: ZHENGZHOU KEMA POWER SUPPLY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 603 room 1356, No. 450016 East navigation road, Zhengzhou economic and Technological Development Zone, Henan, China Patentee after: Zhengzhou Kema Movie-Tv Opto-Electronics Co.,Ltd. Address before: 603 room 1356, No. 450016 East navigation road, Zhengzhou economic and Technological Development Zone, Henan, China Patentee before: Zhengzhou KEMA Power Supply Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040922 Termination date: 20110827 |