CN104483629A - Intelligent battery voltage inspection apparatus - Google Patents
Intelligent battery voltage inspection apparatus Download PDFInfo
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- CN104483629A CN104483629A CN201410670404.1A CN201410670404A CN104483629A CN 104483629 A CN104483629 A CN 104483629A CN 201410670404 A CN201410670404 A CN 201410670404A CN 104483629 A CN104483629 A CN 104483629A
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- output terminal
- photoelectrical coupler
- voltage
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- intelligent battery
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Abstract
The invention relates to an intelligent battery voltage inspection apparatus. The intelligent battery voltage inspection apparatus comprises a voltage acquisition board and an upper computer, wherein the voltage acquisition board comprises a plurality of groups of battery test interfaces; each test interface inputs voltage of a corresponding battery into a V/F(voltage/frequency) converter through a voltage reduction module; the output end of the V/F converter is connected with the input end of a photoelectric coupler; the output end of the photoelectric coupler is connected with the input end of an analog switch; the output end of the analog switch is connected with an MCU (microprogrammed control unit) module; the MCU module communicates with the upper computer through a serial communication circuit. The apparatus can simultaneously acquire voltage data of multiple batteries for detection, the analog switch is used for switching, and the resources of the MCU module are reasonably utilized; moreover, the upper computer is connected through an RS485 communication interface, and the signal transmission stability is improved.
Description
Technical field
The present invention relates to power-supply device field, particularly relate to a kind of storage battery pack data logger.。
Background technology
In recent years, along with the rapid growth of automobile, telecommunications, electric motor car and regenerative resource energy storage demand, China's lead-acid accumulator industry enters a rapid growth period.
Battery pack comprises multiple relatively independent accumulator, and the performance state of each accumulator directly has influence on the security of battery pack overall performance and use, therefore carry out detecting in real time to each accumulator and accomplish that changing the accumulator damaged in time is a kind of effective method.Battery data logging device can carry out circling measurment to battery pack, thus finds that damage or the significantly reduced cell batteries of performance also remind maintainer to change, to ensure the reliable and stable of DC power system in time early.
Therefore, improve the effect of voltage detecting, the quantity improving detection port is particularly necessary.
Summary of the invention
The object of this invention is to provide a kind of intelligent battery voltage polling instrument, to solve the technical matters that plurality of voltages gathers.
In order to solve the problems of the technologies described above, the invention provides a kind of intelligent battery voltage polling instrument, comprise: voltage acquisition plate and host computer, described voltage acquisition plate comprises: some Battery pack test interfaces, the voltage of corresponding accumulator is inputed to V/F converter by a voltage reduction module by each test interface, the output terminal of this V/F converter is connected with the input end of a photoelectrical coupler, the output terminal of this photoelectrical coupler is connected with an input end of analog switch, and the output terminal of this analog switch is connected with MCU module; Described MCU module is by serial communication circuit and upper machine communication.
Preferably, in order to solve the technical matters of carrying out data transmission with host computer, described serial communication circuit is RS485 serial communication circuit.
Preferably, described RS485 serial communication circuit comprises: the input end photoelectrical coupler be connected with the transmission data terminal of described MCU module, the output terminal of this input end photoelectrical coupler is connected with the transmission data input pin of serial ports transceiving chip, the reception data output end of this serial ports transceiving chip is connected with the reception data terminal of described MCU module by an output terminal photoelectrical coupler, and the forward of described serial ports transceiving chip, oppositely transmission output terminal form RS485 interface and be connected with host computer.
Preferably, in order to better control the level of the Enable Pin of serial ports transceiving chip, reception, the transmission Enable Pin of described serial ports transceiving chip are connected with the output terminal of a low and high level circuit, described low and high level circuit comprises level end photoelectrical coupler, the input end of this level end photoelectrical coupler connects a control signal, and 5V power supply to be connected with the output terminal of described level end photoelectrical coupler by resistance and as the output terminal of described low and high level circuit.
Preferably, in order to reach the object measuring battery temp, described MCU module also connects a temperature collect module, and this temperature collect module is suitable for gathering battery operating temperature.
Preferably, for the ease of instruction input and acquisition test data information, described host computer is also connected with PC man-machine interface, digital display module and push-button unit.
The invention has the beneficial effects as follows, the present invention can gather multipath accumulator voltage data simultaneously and detect, and carries out signal switching by analog switch, the resource of Appropriate application MCU module; And adopt RS485 communication interface to be connected with host computer, improve the stability of Signal transmissions.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 shows the theory diagram of intelligent battery voltage polling instrument;
Fig. 2 shows the schematic diagram of described RS485 serial communication circuit.
In figure: output terminal photoelectrical coupler U1, serial ports transceiving chip U2, output terminal photoelectrical coupler U4, level end photoelectrical coupler U3, resistance R7, send data terminal TXD1, receives data terminal RXD1, control signal DE1.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Fig. 1 shows the theory diagram of intelligent battery voltage polling instrument.
As shown in Figure 1, a kind of intelligent battery voltage polling instrument of the present invention, comprise: voltage acquisition plate and host computer, described voltage acquisition plate comprises: some Battery pack test interfaces, the voltage of corresponding accumulator is inputed to V/F converter by a voltage reduction module by each test interface, the output terminal of this V/F converter is connected with the input end of a photoelectrical coupler, and the output terminal of this photoelectrical coupler is connected with an input end of analog switch, and the output terminal of this analog switch is connected with MCU module; Described MCU module is by serial communication circuit and upper machine communication.
Described V/F converter can be, but not limited to adopt LM331, and described MCU module can be, but not limited to adopt the stc series monolithic with AD, and voltage reduction module can adopt resistant series dividing potential drop to realize.
Described serial communication circuit is RS485 serial communication circuit.
Fig. 2 shows the schematic diagram of described RS485 serial communication circuit.
Described RS485 serial communication circuit comprises: the input end photoelectrical coupler U4 be connected with the transmission data terminal of described MCU module, the output terminal of this input end photoelectrical coupler U4 is connected with the transmission data input pin TD of serial ports transceiving chip U2, the reception data output end RD of this serial ports transceiving chip U2 is connected with the reception data terminal RXD1 of described MCU module by an output terminal photoelectrical coupler U1, and the forward of described serial ports transceiving chip U2, oppositely transmission output terminal form RS485 interface and be connected with host computer.
The reception of described serial ports transceiving chip, transmission Enable Pin
tE is connected with the output terminal of a low and high level circuit, described low and high level circuit comprises level end photoelectrical coupler U3, the input end of this level end photoelectrical coupler U3 connects a control signal DE1, and 5V power supply to be connected with the output terminal of described level end photoelectrical coupler by resistance R7 and as the output terminal of described low and high level circuit.
Described serial ports transceiving chip adopts max3085.
Described MCU module also connects a temperature collect module, and this temperature collect module is suitable for gathering battery operating temperature.Described temperature collect module comprises temperature sensor.
Described host computer is also connected with PC man-machine interface, digital display module and push-button unit.
Optionally, described PC man-machine interface can adopt but be not limited to touch-screen or liquid crystal display.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (6)
1. an intelligent battery voltage polling instrument, is characterized in that, comprising: voltage acquisition plate and host computer,
Described voltage acquisition plate comprises: some Battery pack test interfaces, the voltage of corresponding accumulator is inputed to V/F converter by a voltage reduction module by each test interface, the output terminal of this V/F converter is connected with the input end of a photoelectrical coupler, the output terminal of this photoelectrical coupler is connected with an input end of analog switch, and the output terminal of this analog switch is connected with MCU module;
Described MCU module is by serial communication circuit and upper machine communication.
2. intelligent battery voltage polling instrument as claimed in claim 1, it is characterized in that, described serial communication circuit is RS485 serial communication circuit.
3. intelligent battery voltage polling instrument as claimed in claim 2, it is characterized in that, described RS485 serial communication circuit comprises: the input end photoelectrical coupler be connected with the transmission data terminal of described MCU module, the output terminal of this input end photoelectrical coupler is connected with the transmission data input pin of serial ports transceiving chip, and the reception data output end of this serial ports transceiving chip is connected with the reception data terminal of described MCU module by an output terminal photoelectrical coupler;
The forward of described serial ports transceiving chip, oppositely transmission output terminal form RS485 interface and are connected with host computer.
4. intelligent battery voltage polling instrument as claimed in claim 3, is characterized in that, reception, the transmission Enable Pin of described serial ports transceiving chip are connected with the output terminal of a low and high level circuit,
Described low and high level circuit comprises level end photoelectrical coupler, and the input end of this level end photoelectrical coupler connects a control signal, and 5V power supply to be connected with the output terminal of described level end photoelectrical coupler by resistance and as the output terminal of described low and high level circuit.
5. intelligent battery voltage polling instrument as claimed in claim 1, it is characterized in that, described MCU module also connects a temperature collect module, and this temperature collect module is suitable for gathering battery operating temperature.
6. intelligent battery voltage polling instrument as claimed in claim 5, it is characterized in that, described host computer is also connected with PC man-machine interface, digital display module and push-button unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670404.1A CN104483629A (en) | 2014-11-21 | 2014-11-21 | Intelligent battery voltage inspection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670404.1A CN104483629A (en) | 2014-11-21 | 2014-11-21 | Intelligent battery voltage inspection apparatus |
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| CN104483629A true CN104483629A (en) | 2015-04-01 |
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| CN201410670404.1A Pending CN104483629A (en) | 2014-11-21 | 2014-11-21 | Intelligent battery voltage inspection apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144728A (en) * | 2017-05-22 | 2017-09-08 | 合肥联信电源有限公司 | One kind concentrates battery-type emergency power supply inverter direct-current voltage sample circuit |
| CN107345936A (en) * | 2016-05-06 | 2017-11-14 | 广西电网有限责任公司桂林供电局 | A kind of primary cut-out operates spring fatigue degree test device |
-
2014
- 2014-11-21 CN CN201410670404.1A patent/CN104483629A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 李长安，等: "电动汽车动力蓄电池组监测系统的研究", 《汽车电子》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345936A (en) * | 2016-05-06 | 2017-11-14 | 广西电网有限责任公司桂林供电局 | A kind of primary cut-out operates spring fatigue degree test device |
| CN107144728A (en) * | 2017-05-22 | 2017-09-08 | 合肥联信电源有限公司 | One kind concentrates battery-type emergency power supply inverter direct-current voltage sample circuit |
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Application publication date: 20150401 |
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