CN108614222A - A kind of battery voltage acquisition detecting system - Google Patents
A kind of battery voltage acquisition detecting system Download PDFInfo
- Publication number
- CN108614222A CN108614222A CN201810736550.8A CN201810736550A CN108614222A CN 108614222 A CN108614222 A CN 108614222A CN 201810736550 A CN201810736550 A CN 201810736550A CN 108614222 A CN108614222 A CN 108614222A
- Authority
- CN
- China
- Prior art keywords
- control circuit
- processing unit
- central processing
- detection module
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2503—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)
Abstract
The invention discloses a kind of battery voltage acquisition detecting systems comprising working power, central processing unit and detection module, working power provide operating voltage for the central processing unit and detection module；Wherein, the detection module includes control switching circuit, and central processing unit detects signal to control switching circuit transmission pulse, and detection module carries out voltage acquisition detection in a manner of intermittent according to pulse detection signals to battery.Circuit design of the present invention is simple, central processing unit sends the drive signal of pulsed to switching circuit, and switching circuit realizes the stop and start to detection module discontinuous according to drive signal, that is to say, that detection module does not need to be held on, then energy consumption can be reduced, is slowed down under battery performance.
Description
Technical field
The present invention relates to technical field of battery management, especially a kind of battery voltage acquisition detecting system.
Background technology
In the prior art, battery management system is required to carry out the battery moment acquisition of cell voltage, to monitor battery
Health condition.Since detection module needs to keep the acquisition to cell voltage, so detection module is always held at conducting shape
State, when being detected simultaneously to multiple batteries, the divider resistance of multiple detection branch forms parallel connection so that in battery pack
Each element cell power consumption is inconsistent, and usage time is slightly long to will result in that cell voltage difference is bigger than normal, and discharge time shortens, while
Integral battery group performance is caused to decline very fast.
Invention content
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide a kind of battery voltage acquisition inspection
Examining system.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of battery voltage acquisition detecting system,
It includes working power, central processing unit and detection module, and working power provides work for the central processing unit and detection module
Make voltage；Wherein, the detection module includes control switching circuit, and central processing unit is detected to control switching circuit transmission pulse
Signal, detection module carry out voltage acquisition detection in a manner of intermittent according to pulse detection signals to battery.
In above-mentioned technical proposal, the control switching circuit includes first control circuit and second control circuit, the first control
The control terminal of circuit processed and the output end of central processing unit are electrically connected, the output end and second control circuit of first control circuit
Control terminal be electrically connected, the input terminal of first control circuit is electrically connected with working power, the input terminal of second control circuit
As the detection port being electrically connected with the battery, the output end of second control circuit and the input terminal of central processing unit electrically connect
It connects.
In above-mentioned technical proposal, the control terminal of the first control circuit passes through third control circuit and central processing unit
Output end is electrically connected, and the control terminal of the third control circuit and the output end of central processing unit are electrically connected, third control
The input terminal of circuit is electrically connected with the control terminal of first control circuit and working power respectively, the output of the third control circuit
End and the cathode of working power are electrically connected.
In above-mentioned technical proposal, the working power exports the first work electricity needed for central processing unit by rectifier transformer
The second operating voltage needed for pressure and detection module.
The beneficial effects of the invention are as follows：Circuit design is simple, and central processing unit sends the driving of pulsed to switching circuit
Signal, switching circuit realize the stop and start to detection module discontinuous according to drive signal, that is to say, that detection module does not need to
It is held on, can then reduce energy consumption, be slowed down under battery performance.
Description of the drawings
Fig. 1 is the modular structure schematic diagram of the present invention；
Fig. 2 is the circuit connection diagram of detection module and central processing unit of the present invention.
Specific implementation mode
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, a kind of battery voltage acquisition detecting system comprising working power, central processing unit and detection mould
Block, working power provide operating voltage for the central processing unit and detection module；Wherein, the detection module includes that control is opened
Powered-down road, central processing unit to control switching circuit transmission pulse detect signal, detection module according to pulse detection signals with
Disconnected mode carries out voltage acquisition detection to battery.In the present embodiment, working power is battery B+/B-, passes through rectifier transformer core
The piece such as 3.3V operating voltages with safe HT7533-3 chips output central processing unit needs, and detection module needs the work of 12V
Make voltage.The circuit structure of transformation is the prior art, and details are not described herein.Central processing unit is using LQFP-32 chips.
Wherein, the control switching circuit includes first control circuit and second control circuit, the control of first control circuit
The output end of end processed and central processing unit is electrically connected, the output end of first control circuit and the control terminal electricity of second control circuit
Property connection, the input terminal of first control circuit is electrically connected with working power, the input terminal of second control circuit as with battery
The detection port of electric connection, the output end of second control circuit and the input terminal of central processing unit are electrically connected.
Wherein, the control terminal of the first control circuit is electrical by the output end of third control circuit and central processing unit
Connection, the control terminal of the third control circuit and the output end of central processing unit are electrically connected, the input of the third control circuit
End is electrically connected with the control terminal of first control circuit and working power respectively, output end and the work electricity of the third control circuit
The cathode in source is electrically connected.
Wherein, the working power exports the first operating voltage and the detection needed for central processing unit by rectifier transformer
The second operating voltage needed for module.
Above-mentioned intermittent mode is：Stop after detecting several seconds, restarts detection several seconds, so recycle, need not hold
It is continuous that detection module is connected, reduce power consumption.
As shown in Fig. 2, triode Q7 is as third control circuit, triode Q17 is as first control circuit, triode
Q1, Q2, Q3, Q4, Q5 are as second control circuit.The connection structure of other resistance and capacitance is as shown in Figure, no longer superfluous herein
It states.
Above embodiment is merely illustrative and not limiting to the invention, therefore all according to described in present patent application range
The equivalent change or modification done of method, be included within the scope of present patent application.
Claims (4)
1. a kind of battery voltage acquisition detecting system, it is characterised in that：Including working power, central processing unit and detection module,
Working power provides operating voltage for the central processing unit and detection module；Wherein, the detection module includes that control switchs
Circuit, central processing unit detect signal to control switching circuit transmission pulse, and detection module is according to pulse detection signals to be interrupted
Mode to battery carry out voltage acquisition detection.
2. a kind of battery voltage acquisition detecting system according to claim 1, it is characterised in that：The control switching circuit
Including first control circuit and second control circuit, the control terminal of first control circuit and the output end of central processing unit electrically connect
Connect, the control terminal of the output end of first control circuit and second control circuit is electrically connected, the input terminal of first control circuit with
Working power is electrically connected, and the input terminal of second control circuit is as the detection port being electrically connected with the battery, the second control electricity
The output end on road and the input terminal of central processing unit are electrically connected.
3. a kind of battery voltage acquisition detecting system according to claim 2, it is characterised in that：The first control circuit
Control terminal by the output end of third control circuit and central processing unit be electrically connected, the control terminal of the third control circuit with
The output end of central processing unit is electrically connected, the input terminal of the third control circuit respectively with the control terminal of first control circuit and
Working power is electrically connected, and the output end of the third control circuit and the cathode of working power are electrically connected.
4. a kind of battery voltage acquisition detecting system according to claim 1, it is characterised in that：The working power passes through
Rectifier transformer exports the first operating voltage needed for central processing unit and the second operating voltage needed for detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736550.8A CN108614222A (en) | 2018-07-06 | 2018-07-06 | A kind of battery voltage acquisition detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736550.8A CN108614222A (en) | 2018-07-06 | 2018-07-06 | A kind of battery voltage acquisition detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108614222A true CN108614222A (en) | 2018-10-02 |
Family
ID=63666196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810736550.8A Pending CN108614222A (en) | 2018-07-06 | 2018-07-06 | A kind of battery voltage acquisition detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108614222A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000152509A (en) * | 1993-10-19 | 2000-05-30 | Seiko Instruments Inc | Charge and discharge control circuit and charge system of power unit |
| CN202817131U (en) * | 2012-08-15 | 2013-03-20 | 四川坤和科技有限公司 | Valve regulated lead acid battery (VRLA) online maintenance monitor |
| CN203218904U (en) * | 2013-01-31 | 2013-09-25 | 浙江吉利汽车研究院有限公司杭州分公司 | Control circuit reducing static power consumption of power battery management system |
| CN203606669U (en) * | 2013-10-21 | 2014-05-21 | 阳光电源股份有限公司 | Monitoring system for cell panel |
| CN203965489U (en) * | 2014-06-17 | 2014-11-26 | 三泰电力技术（南京）股份有限公司 | A kind of shelf depreciation high voltage pulse generation device |
| CN104898476A (en) * | 2015-04-07 | 2015-09-09 | 海能达通信股份有限公司 | Powering-on/off control circuit and electronic equipment with same |
| CN107579560A (en) * | 2017-08-30 | 2018-01-12 | 苏州麦喆思科电子有限公司 | A kind of accumulator charging and discharging state detection and monitoring system |
-
2018
- 2018-07-06 CN CN201810736550.8A patent/CN108614222A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000152509A (en) * | 1993-10-19 | 2000-05-30 | Seiko Instruments Inc | Charge and discharge control circuit and charge system of power unit |
| CN202817131U (en) * | 2012-08-15 | 2013-03-20 | 四川坤和科技有限公司 | Valve regulated lead acid battery (VRLA) online maintenance monitor |
| CN203218904U (en) * | 2013-01-31 | 2013-09-25 | 浙江吉利汽车研究院有限公司杭州分公司 | Control circuit reducing static power consumption of power battery management system |
| CN203606669U (en) * | 2013-10-21 | 2014-05-21 | 阳光电源股份有限公司 | Monitoring system for cell panel |
| CN203965489U (en) * | 2014-06-17 | 2014-11-26 | 三泰电力技术（南京）股份有限公司 | A kind of shelf depreciation high voltage pulse generation device |
| CN104898476A (en) * | 2015-04-07 | 2015-09-09 | 海能达通信股份有限公司 | Powering-on/off control circuit and electronic equipment with same |
| CN107579560A (en) * | 2017-08-30 | 2018-01-12 | 苏州麦喆思科电子有限公司 | A kind of accumulator charging and discharging state detection and monitoring system |
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