CN204188779U - A kind of intelligent battery voltage polling instrument - Google Patents
A kind of intelligent battery voltage polling instrument Download PDFInfo
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- CN204188779U CN204188779U CN201420706068.7U CN201420706068U CN204188779U CN 204188779 U CN204188779 U CN 204188779U CN 201420706068 U CN201420706068 U CN 201420706068U CN 204188779 U CN204188779 U CN 204188779U
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- photoelectrical coupler
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- voltage
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Abstract
The utility model relates to 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.The utility model 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.
Description
Technical field
The utility model relates to power-supply device field, particularly relates 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.
Utility model content
The purpose of this utility model 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 utility model 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 beneficial effects of the utility model are, the utility model 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 utility model is further illustrated.
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
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
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 utility model, 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 utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model 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 |
|---|---|---|---|
| CN201420706068.7U CN204188779U (en) | 2014-11-21 | 2014-11-21 | A kind of intelligent battery voltage polling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706068.7U CN204188779U (en) | 2014-11-21 | 2014-11-21 | A kind of intelligent battery voltage polling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204188779U true CN204188779U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420706068.7U Expired - Fee Related CN204188779U (en) | 2014-11-21 | 2014-11-21 | A kind of intelligent battery voltage polling instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277782A (en) * | 2015-10-19 | 2016-01-27 | 陕西宝成航空仪表有限责任公司 | Novel voltage frequency conversion sampling device and work method thereof |
-
2014
- 2014-11-21 CN CN201420706068.7U patent/CN204188779U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277782A (en) * | 2015-10-19 | 2016-01-27 | 陕西宝成航空仪表有限责任公司 | Novel voltage frequency conversion sampling device and work method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20191121 |