CN204166107U - A kind of accumulator routing inspection circuit - Google Patents
A kind of accumulator routing inspection circuit Download PDFInfo
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- CN204166107U CN204166107U CN201420665319.1U CN201420665319U CN204166107U CN 204166107 U CN204166107 U CN 204166107U CN 201420665319 U CN201420665319 U CN 201420665319U CN 204166107 U CN204166107 U CN 204166107U
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Abstract
The utility model discloses a kind of accumulator routing inspection circuit, comprise host computer, battery tension current detection module and monomer battery voltage temperature detecting module, host computer, battery tension current detection module and monomer battery voltage temperature detecting module are connected CANH line and CANL line respectively.The utility model accumulator routing inspection circuit as the distributed touring data acquisition bus of accumulator by the CAN of non-master-slave mode, is made detection system have the advantages such as high reliability, expandability and real-time, is more suitable for detection and the maintenance of accumulator.
Description
Technical field
The utility model relates to a kind of testing circuit, specifically a kind of accumulator routing inspection circuit.
Background technology
In recent years, accumulator is applied more and more extensive in civilian and commercial production, for safeguards system is carried out continually and steadily, research & design high efficiency, low cost, the detecting device for storage battery of accurate convenience and quick practicality is very necessary, single battery voltage is lower, seldom directly use with its natural form, most mode adopting series connection or connection in series-parallel combination, simultaneously, the electricity of accumulator can exhaustion gradually with the prolongation of working time and the increase of electricity consumption time, be difficult to ensure that in combination, each cell batteries operating characteristic is consistent, therefore, rational watch-dog must be adopted, by the charging/discharging voltage of each cell batteries of on-line real-time measuremen, the parameters such as the charging and discharging currents of temperature and whole battery pack and charging/discharging voltage, find out damage or the significantly reduced accumulator of performance, reliable and stable to ensure direct current power system.General detection adopts RS232 or RS485 bus, and because it is master-slave mode bus, sense terminals initiatively cannot send data to host computer.
Utility model content
The purpose of this utility model is to provide a kind of high efficiency, low cost, accurately convenient and quick practical accumulator routing inspection circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of accumulator routing inspection circuit, comprise host computer, battery tension current detection module and monomer battery voltage temperature detecting module, described host computer, battery tension current detection module and monomer battery voltage temperature detecting module are connected CANH line and CANL line respectively.
Described monomer battery voltage temperature detecting module comprises temperature detecting module, voltage detection module and A/D conversion and isolation module, described voltage detection module connects voltage signal and amplification module respectively, described temperature detecting module connects temperature signal and amplification module respectively, amplification module also connects filtration module, filtration module is connected single-chip microcomputer by A/D conversion with isolation module, and single-chip microcomputer also connects display module and CAN respectively.
As further program of the utility model: described monomer battery voltage temperature detecting module is N number of, N is the cell number comprised in accumulator, N=1,2,3....
As further program of the utility model: described temperature detecting module comprises amplifier A1, amplifier A2 and resistance R1, resistance R1 connects power supply VCC, the resistance R1 other end is contact resistance R2 and amplifier A1 pin 1 respectively, amplifier A1 pin 3 is the contact resistance R2 other end respectively, resistance R3 and resistance R4 ground connection, the resistance R3 other end is contact resistance R5 and resistance R8 respectively, resistance R5 other end contact resistance R6 ground connection, the resistance R6 other end is the contact resistance R4 other end and resistance R7 respectively, the resistance R7 other end is contact resistance R9 and amplifier A2 pin 1 respectively, amplifier A2 pin 2 is the contact resistance R8 other end and direct earth capacitance C1 respectively, amplifier A2 pin 3 is the contact resistance R9 other end and V1 port respectively.
As further program of the utility model: described voltage detection module comprises chip U1, resistance R10, amplifier A3 and amplifier A4, resistance R10 connects V2 port, the resistance R10 other end connects electric capacity C2 respectively, resistance R13 and amplifier A3 pin 1, amplifier A3 pin 2 connects stake resistance R11 and chip U1 pin 4 respectively, amplifier A3 pin 3 connects the electric capacity C2 other end and resistance R12 respectively, resistance R12 connects chip U1 pin 2, the chip U1 pin 3 contact resistance R13 other end, chip U1 pin 1 ground connection, chip U1 pin 5 connects direct earth capacitance C4 and amplifier A4 pin 2 respectively, chip U1 pin 6 connects electric capacity C3 respectively, resistance R14 and amplifier A4 pin 1, amplifier A4 pin 3 connects the electric capacity C3 other end respectively, the resistance R14 other end and Vo port.
As the utility model further scheme: described chip U1 model is HCNR201.
Compared with prior art, the beneficial effects of the utility model are: the utility model accumulator routing inspection circuit is by the CAN of the non-master-slave mode distributed touring data acquisition bus as accumulator, make detection system have the advantages such as high reliability, expandability and real-time, be more suitable for detection and the maintenance of accumulator.
Accompanying drawing explanation
Fig. 1 is a kind of circuit structure block diagram of accumulator routing inspection circuit;
Fig. 2 is the circuit structure block diagram of monomer battery voltage temperature detecting module in a kind of accumulator routing inspection circuit;
Fig. 3 is the circuit diagram of temperature detecting module in a kind of accumulator routing inspection circuit;
Fig. 4 is the circuit diagram of voltage detection module in a kind of accumulator routing inspection circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 4, in the utility model embodiment, a kind of accumulator routing inspection circuit, comprise host computer, battery tension current detection module and monomer battery voltage temperature detecting module, host computer, battery tension current detection module and monomer battery voltage temperature detecting module are connected CANH line and CANL line respectively.
Monomer battery voltage temperature detecting module comprises temperature detecting module, voltage detection module and A/D conversion and isolation module, voltage detection module connects voltage signal and amplification module respectively, temperature detecting module connects temperature signal and amplification module respectively, amplification module also connects filtration module, filtration module is connected single-chip microcomputer by A/D conversion with isolation module, and single-chip microcomputer also connects display module and CAN respectively.
Monomer battery voltage temperature detecting module is N number of, and N is the cell number comprised in accumulator, N=1,2,3....
Temperature detecting module comprises amplifier A1, amplifier A2 and resistance R1, resistance R1 connects power supply VCC, the resistance R1 other end is contact resistance R2 and amplifier A1 pin 1 respectively, amplifier A1 pin 3 is the contact resistance R2 other end respectively, resistance R3 and resistance R4 ground connection, the resistance R3 other end is contact resistance R5 and resistance R8 respectively, resistance R5 other end contact resistance R6 ground connection, the resistance R6 other end is the contact resistance R4 other end and resistance R7 respectively, the resistance R7 other end is contact resistance R9 and amplifier A2 pin 1 respectively, amplifier A2 pin 2 is the contact resistance R8 other end and direct earth capacitance C1 respectively, amplifier A2 pin 3 is the contact resistance R9 other end and V1 port respectively.
Voltage detection module comprises chip U1, resistance R10, amplifier A3 and amplifier A4, resistance R10 connects V2 port, the resistance R10 other end connects electric capacity C2 respectively, resistance R13 and amplifier A3 pin 1, amplifier A3 pin 2 connects stake resistance R11 and chip U1 pin 4 respectively, amplifier A3 pin 3 connects the electric capacity C2 other end and resistance R12 respectively, resistance R12 connects chip U1 pin 2, the chip U1 pin 3 contact resistance R13 other end, chip U1 pin 1 ground connection, chip U1 pin 5 connects direct earth capacitance C4 and amplifier A4 pin 2 respectively, chip U1 pin 6 connects electric capacity C3 respectively, resistance R14 and amplifier A4 pin 1, amplifier A4 pin 3 connects the electric capacity C3 other end respectively, the resistance R14 other end and Vo port.
Chip U1 model is HCNR201.
Principle of work of the present utility model is: monomer battery voltage temperature detecting module detects the voltage and current of the cell in battery pack respectively, the hardware configuration of each detection module is quite similar, also have an independent accumulator battery voltage current detection module to detect the voltage and current of battery pack entirety simultaneously, monomer battery voltage temperature detecting module and accumulator battery voltage electric circuit inspection module detect in real time and send data to CAN, host computer receives the data of each detection module, and to data analysis, process, store, display and printing, simultaneously to diagnosing malfunction and the warning of cell.After voltage detection module and temperature detecting module collect single battery voltage and temperature signal, amplify, filtering A/D changes and isolation, send into single-chip microcomputer, single-chip microcomputer will carry out data communication by CAN and host computer, in fact, A/D changes employing 12 into A/D converter ADS7841P, sampling period is less than 20ms, be connected with single-chip microcomputer by Phototube Coupling, single-chip microcomputer adopts low-power consumption, small size 8 is single-chip microcomputer LPC932, and practical LED indicating operating status, be connected with single-chip microcomputer by the CAN controller with serial line interface, CAN is used for detecting data to host computer transmission.
Claims (5)
1. an accumulator routing inspection circuit, comprise host computer, battery tension current detection module and monomer battery voltage temperature detecting module, it is characterized in that, described host computer, battery tension current detection module and monomer battery voltage temperature detecting module are connected CANH line and CANL line respectively;
Described monomer battery voltage temperature detecting module comprises temperature detecting module, voltage detection module and A/D conversion and isolation module, described voltage detection module connects voltage signal and amplification module respectively, described temperature detecting module connects temperature signal and amplification module respectively, amplification module also connects filtration module, filtration module is connected single-chip microcomputer by A/D conversion with isolation module, and single-chip microcomputer also connects display module and CAN respectively.
2. accumulator routing inspection circuit according to claim 1, is characterized in that, described monomer battery voltage temperature detecting module is N number of, and N is the cell number comprised in accumulator, N=1,2,3....
3. accumulator routing inspection circuit according to claim 2, it is characterized in that, described temperature detecting module comprises amplifier A1, amplifier A2 and resistance R1, resistance R1 connects power supply VCC, the resistance R1 other end is contact resistance R2 and amplifier A1 pin 1 respectively, amplifier A1 pin 3 is the contact resistance R2 other end respectively, resistance R3 and resistance R4 ground connection, the resistance R3 other end is contact resistance R5 and resistance R8 respectively, resistance R5 other end contact resistance R6 ground connection, the resistance R6 other end is the contact resistance R4 other end and resistance R7 respectively, the resistance R7 other end is contact resistance R9 and amplifier A2 pin 1 respectively, amplifier A2 pin 2 is the contact resistance R8 other end and direct earth capacitance C1 respectively, amplifier A2 pin 3 is the contact resistance R9 other end and V1 port respectively.
4. accumulator routing inspection circuit according to claim 2, it is characterized in that, described voltage detection module comprises chip U1, resistance R10, amplifier A3 and amplifier A4, resistance R10 connects V2 port, the resistance R10 other end connects electric capacity C2 respectively, resistance R13 and amplifier A3 pin 1, amplifier A3 pin 2 connects stake resistance R11 and chip U1 pin 4 respectively, amplifier A3 pin 3 connects the electric capacity C2 other end and resistance R12 respectively, resistance R12 connects chip U1 pin 2, the chip U1 pin 3 contact resistance R13 other end, chip U1 pin 1 ground connection, chip U1 pin 5 connects direct earth capacitance C4 and amplifier A4 pin 2 respectively, chip U1 pin 6 connects electric capacity C3 respectively, resistance R14 and amplifier A4 pin 1, amplifier A4 pin 3 connects the electric capacity C3 other end respectively, the resistance R14 other end and Vo port.
5. accumulator routing inspection circuit according to claim 4, is characterized in that, described chip U1 model is HCNR201.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665319.1U CN204166107U (en) | 2014-11-10 | 2014-11-10 | A kind of accumulator routing inspection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665319.1U CN204166107U (en) | 2014-11-10 | 2014-11-10 | A kind of accumulator routing inspection circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204166107U true CN204166107U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420665319.1U Expired - Fee Related CN204166107U (en) | 2014-11-10 | 2014-11-10 | A kind of accumulator routing inspection circuit |
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| Country | Link |
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| CN (1) | CN204166107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868563A (en) * | 2015-06-17 | 2015-08-26 | 沈阳飞机工业（集团）有限公司 | Intelligent charge-discharge equipment and real-time monitoring and controlling method |
-
2014
- 2014-11-10 CN CN201420665319.1U patent/CN204166107U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868563A (en) * | 2015-06-17 | 2015-08-26 | 沈阳飞机工业（集团）有限公司 | Intelligent charge-discharge equipment and real-time monitoring and controlling method |
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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 |
Granted publication date: 20150218 Termination date: 20151110 |
|
| EXPY | Termination of patent right or utility model |