CN103293478A - Battery pack energy metering indicating device of electromobile - Google Patents
Battery pack energy metering indicating device of electromobile Download PDFInfo
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- CN103293478A CN103293478A CN2012100503158A CN201210050315A CN103293478A CN 103293478 A CN103293478 A CN 103293478A CN 2012100503158 A CN2012100503158 A CN 2012100503158A CN 201210050315 A CN201210050315 A CN 201210050315A CN 103293478 A CN103293478 A CN 103293478A
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- battery
- control circuit
- electric vehicle
- vehicle group
- mcu control
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Abstract
The invention discloses a battery pack energy metering indicating device of an electromobile. The battery pack energy metering indicating device of the electromobile comprises a DC voltage stabilizing circuit, a battery management circuit, an MCU control circuit detecting resistor, a thermistor and an energy display device, wherein the DC voltage stabilizing circuit respectively supplies corresponding working voltage to the battery management control circuit and the MCU control circuit; the battery management circuit detects voltage signals of a battery pack of the electromobile, voltage signals at the two ends of the detecting resistor and voltage signals of the thermistor and transmits the signals to the MCU control circuit; the MCU control circuit processes and calculates the received signals to obtain voltage, current and temperature information of the battery pack of the electromobile and can display corresponding data through the energy display device. The battery pack energy metering indicating device of the electromobile can accurately display electric quantity conditions of the battery pack and remind people to charge the battery pack as soon as possible.
Description
Technical field
The present invention relates to a kind of battery of electric vehicle group energy meter indicating device.
Background technology
At present, along with the demand of people trip, electric motor car has obtained application more and more widely, but electric battery is after using a segment distance, and voltage descends, and needs charging in time.After the user uses longer a period of time, often because have little time charging, and be parked on the way, cause inconvenience for people's the shape that goes out.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of battery of electric vehicle group energy meter indicating device, can accurately show the battery electric quantity situation, remind people that electric battery is charged early.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of battery of electric vehicle group energy meter indicating device, comprise DC mu balanced circuit, battery management circuit, MCU control circuit, detecting resistance, thermistor and energy indicator, described DC mu balanced circuit input end is electrically connected battery of electric vehicle group positive pole, and the DC circuit output end of pressure-stabilizing is electrically connected the input end of described battery management control circuit and MCU control circuit respectively and offers its corresponding operating voltage; Described battery management circuit is electrically connected the positive terminal of described battery of electric vehicle group and detects its voltage signal; Described detecting resistance one end is electrically connected on described battery of electric vehicle group negative pole and other end ground connection, and described battery management circuit is electrically connected on the two ends of this detecting resistance and detects the voltage signal at resistance two ends; Described thermistor one end is electrically connected between described detecting resistance and the ground, and the other end is electrically connected described battery management circuit, the voltage signal of this battery management circuit detecting thermistor; Described battery management circuit output end is electrically connected on described MCU control circuit and the voltage signal of its battery of electric vehicle group that detects, the voltage signal at detecting resistance two ends and the voltage signal of thermistor is transferred to described MCU control circuit, this MCU control circuit is handled voltage, electric current and the temperature information that calculates and obtain the battery of electric vehicle group respectively to its signal that receives, and can carry out corresponding data demonstration by described energy indicator.
As a further improvement on the present invention, described energy indicator comprises several LED lamp and LCD display, described MCU control circuit shows the electric weight of described battery of electric vehicle group by the bright lamp digital display of controlling these several LED lamps, and described MCU control circuit shows by electric weight, electric current, voltage and the temperature data of described LCD display to described battery of electric vehicle group.
As a further improvement on the present invention, on described MCU control circuit, also be provided with RXD/TXD output and carry out exchanges data with the external world.
As a further improvement on the present invention, in described battery management circuit, be provided with 10 A/D converters, when the detecting voltage signal, voltage signal can be converted to digital signal, be stored in the corresponding register.
The invention has the beneficial effects as follows: simple in structure, can accurately show the battery electric quantity situation, made people accurately electrolytic cell operating position and the mileage that can also travel avoids not having on the way the generation of electric situation out of service, convenient people's trip.
Description of drawings
Fig. 1 is structural representation of the present invention.
By reference to the accompanying drawings, make the following instructions:
1---DC mu balanced circuit 2---battery management circuit
3---MCU control circuit 4---energy indicator
5---battery of electric vehicle group RS---detect resistance
RT---thermistor 41---LED lamp
42---LCD display 6---RXD/TXD output
Embodiment
A kind of battery of electric vehicle group energy meter indicating device, comprise DC mu balanced circuit 1, battery management circuit 2, MCU control circuit 3, detecting resistance R S, thermistor RT and energy indicator 4, described DC mu balanced circuit input end is electrically connected battery of electric vehicle group 5 positive poles, and the DC circuit output end of pressure-stabilizing is electrically connected the input end of described battery management control circuit and MCU control circuit respectively and offers its corresponding operating voltage; Described battery management circuit is electrically connected the positive terminal of described battery of electric vehicle group and detects its voltage signal; Described detecting resistance one end is electrically connected on described battery of electric vehicle group negative pole and other end ground connection, and described battery management circuit is electrically connected on the two ends of this detecting resistance and detects the voltage signal at resistance two ends; Described thermistor one end is electrically connected between described detecting resistance and the ground, and the other end is electrically connected described battery management circuit, the voltage signal of this battery management circuit detecting thermistor; Described battery management circuit output end is electrically connected on described MCU control circuit and the voltage signal of its battery of electric vehicle group that detects, the voltage signal at detecting resistance two ends and the voltage signal of thermistor is transferred to described MCU control circuit, this MCU control circuit is handled voltage, electric current and the temperature information that calculates and obtain the battery of electric vehicle group respectively to its signal that receives, and can carry out corresponding data demonstration by described energy indicator.
Preferably, above-mentioned energy indicator comprises several LED lamps 41 and LCD display 42, described MCU control circuit shows the electric weight of described battery of electric vehicle group by the bright lamp digital display of controlling these several LED lamps, and described MCU control circuit shows by electric weight, electric current, voltage and the temperature data of described LCD display to described battery of electric vehicle group.
Preferably, on above-mentioned MCU control circuit, also be provided with RXD/TXD output 6 and carry out exchanges data with the external world.
Preferably, in above-mentioned battery management circuit, be provided with 10 A/D converters, when the detecting voltage signal, voltage signal can be converted to digital signal, be stored in the corresponding register.
Claims (4)
1. battery of electric vehicle group energy meter indicating device, it is characterized in that: it comprises DC mu balanced circuit (1), battery management circuit (2), MCU control circuit (3), detecting resistance (RS), thermistor (RT) and energy indicator (4), described DC mu balanced circuit input end is electrically connected battery of electric vehicle group (5) positive pole, and the DC circuit output end of pressure-stabilizing is electrically connected the input end of described battery management control circuit and MCU control circuit respectively and offers its corresponding operating voltage; Described battery management circuit is electrically connected the positive terminal of described battery of electric vehicle group and detects its voltage signal; Described detecting resistance one end is electrically connected on described battery of electric vehicle group negative pole and other end ground connection, and described battery management circuit is electrically connected on the two ends of this detecting resistance and detects the voltage signal at resistance two ends; Described thermistor one end is electrically connected between described detecting resistance and the ground, and the other end is electrically connected described battery management circuit, the voltage signal of this battery management circuit detecting thermistor; Described battery management circuit output end is electrically connected on described MCU control circuit and the voltage signal of its battery of electric vehicle group that detects, the voltage signal at detecting resistance two ends and the voltage signal of thermistor is transferred to described MCU control circuit, this MCU control circuit is handled voltage, electric current and the temperature information that calculates and obtain the battery of electric vehicle group respectively to its signal that receives, and can carry out corresponding data demonstration by described energy indicator.
2. battery of electric vehicle group energy meter indicating device according to claim 1, it is characterized in that: described energy indicator comprises several LED lamps (41) and LCD display (42), described MCU control circuit shows the electric weight of described battery of electric vehicle group by the bright lamp digital display of controlling these several LED lamps, and described MCU control circuit shows by electric weight, electric current, voltage and the temperature data of described LCD display to described battery of electric vehicle group.
3. battery of electric vehicle group energy meter indicating device according to claim 1 and 2 is characterized in that: also be provided with RXD/TXD output (6) and carry out exchanges data with the external world on described MCU control circuit.
4. battery of electric vehicle group energy meter indicating device according to claim 1 and 2 is characterized in that: in described battery management circuit, be provided with 10 A/D converters,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100503158A CN103293478A (en) | 2012-02-29 | 2012-02-29 | Battery pack energy metering indicating device of electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100503158A CN103293478A (en) | 2012-02-29 | 2012-02-29 | Battery pack energy metering indicating device of electromobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103293478A true CN103293478A (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012100503158A Pending CN103293478A (en) | 2012-02-29 | 2012-02-29 | Battery pack energy metering indicating device of electromobile |
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| CN (1) | CN103293478A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772060A (en) * | 2016-11-09 | 2017-05-31 | 深圳天珑无线科技有限公司 | Electric quantity display method and device based on energy |
| CN106814321A (en) * | 2015-12-02 | 2017-06-09 | 海洋王（东莞）照明科技有限公司 | The circuit and hand-hold lamp fitting of battery electric quantity are surveyed in temperature-compensating |
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| US6181103B1 (en) * | 1997-05-27 | 2001-01-30 | Shu-Chin Chen | Advanced intelligent computer power management system |
| CN201583636U (en) * | 2009-12-31 | 2010-09-15 | 深圳市力通威电子科技有限公司 | Power lithium battery capacity detection circuit with multi-channel switching functions |
| CN101976867A (en) * | 2010-10-21 | 2011-02-16 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| KR20110027188A (en) * | 2009-09-10 | 2011-03-16 | 주식회사 레오모터스 | Power input control circuit for battery management system |
| CN201946960U (en) * | 2011-01-14 | 2011-08-24 | 天宇通讯科技(昆山)有限公司 | Multi-string high-power lithium battery control panel |
| CN102236079A (en) * | 2010-04-27 | 2011-11-09 | 天宇通讯科技(昆山)有限公司 | Device for automatically testing battery function |
| CN202471927U (en) * | 2012-02-29 | 2012-10-03 | 天宇通讯科技(昆山)有限公司 | Energy metering and indicating device for electric vehicle battery pack |
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2012
- 2012-02-29 CN CN2012100503158A patent/CN103293478A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6181103B1 (en) * | 1997-05-27 | 2001-01-30 | Shu-Chin Chen | Advanced intelligent computer power management system |
| KR20110027188A (en) * | 2009-09-10 | 2011-03-16 | 주식회사 레오모터스 | Power input control circuit for battery management system |
| CN201583636U (en) * | 2009-12-31 | 2010-09-15 | 深圳市力通威电子科技有限公司 | Power lithium battery capacity detection circuit with multi-channel switching functions |
| CN102236079A (en) * | 2010-04-27 | 2011-11-09 | 天宇通讯科技(昆山)有限公司 | Device for automatically testing battery function |
| CN101976867A (en) * | 2010-10-21 | 2011-02-16 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| CN201946960U (en) * | 2011-01-14 | 2011-08-24 | 天宇通讯科技(昆山)有限公司 | Multi-string high-power lithium battery control panel |
| CN202471927U (en) * | 2012-02-29 | 2012-10-03 | 天宇通讯科技(昆山)有限公司 | Energy metering and indicating device for electric vehicle battery pack |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814321A (en) * | 2015-12-02 | 2017-06-09 | 海洋王（东莞）照明科技有限公司 | The circuit and hand-hold lamp fitting of battery electric quantity are surveyed in temperature-compensating |
| CN106772060A (en) * | 2016-11-09 | 2017-05-31 | 深圳天珑无线科技有限公司 | Electric quantity display method and device based on energy |
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Application publication date: 20130911 |