CN206759074U - A kind of motor vehicle module NI MH battery intelligent charging circuits - Google Patents
A kind of motor vehicle module NI MH battery intelligent charging circuits Download PDFInfo
- Publication number
- CN206759074U CN206759074U CN201720265071.3U CN201720265071U CN206759074U CN 206759074 U CN206759074 U CN 206759074U CN 201720265071 U CN201720265071 U CN 201720265071U CN 206759074 U CN206759074 U CN 206759074U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- positive pole
- monitoring
- chip microcomputer
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of motor vehicle module NI MH battery intelligent charging circuits are the utility model is related to, it is arranged between power supply and charged pond, and the circuit includes the charging and monitoring passage between two nodes, is made up of three parts；Described three parts point ratio is：The circuit I as monitoring battery current voltage value, the circuit I I as monitoring battery Current Temperatures and the circuit I II as PWM charge circuits are provided with monitoring passage；Circuit I one end connection single-chip microcomputer monitoring voltage end, the circuit I other end are connected with charged pond positive pole；Circuit I I one end connection single-chip microcomputer monitoring temperature end, the circuit I I other ends are connected with charged pond positive pole, and circuit I II one end connection control circuit, the circuit I II other ends are connected with charged pond positive pole.The utility model realizes realizes automatic charging function with less circuit element, with accurate and the few parameter of quantity does not carry out judging to realize the effect for being convenient for intelligentized control.
Description
Technical field
A kind of aptitude chargeable circuit is the utility model is related to, specifically a kind of motor vehicle module NI-MH battery intelligents
Charging circuit.
Background technology
With automobile become increasingly popular and requirement to automotive safety, the use of vehicle-mounted antitheft alarm module is also increasingly
Extensively, in burglar alarm module, the management of charging and discharging with low capacity NI-MH batteries also turn into design when important consideration it
One.In the requirement of automobile electronic module design, typically it is not directed to the description and requirement to this function, particularly NI-MH electricity
In terms of the constant-current charge in pond and its monitoring, conventional method uses simple single-mode charging method, and the discharge and recharge to battery is sentenced
It is disconnected to use simple voltage determination methods, easily to over-charging of battery, cause life of product to shorten or even cause security incident.
The content of the invention
The purpose of this utility model be exactly in order to solve to lack at present it is vehicle carried with NI-MH battery intelligents charge it is effective
Method, have many defects, the problems such as practical application needs can not be met, so as to provide it is a kind of have principle it is succinct, using it is convenient,
The charging smart circuit and its method for the advantages that monitoring accuracy is high, i.e., a kind of motor vehicle module are charged with NI-MH battery intelligents
Circuit.
A kind of motor vehicle module NI-MH battery intelligent charging circuits, it is arranged between power supply and charged pond, should
Circuit includes the charging and monitoring passage between two nodes, is made up of three parts；Described three parts point ratio is：On monitoring passage
Charged provided with the circuit I as monitoring battery current voltage value, as the circuit I I for monitoring battery Current Temperatures and as PWM
The circuit I II in loop；Circuit I one end connection single-chip microcomputer monitoring voltage end, the circuit I other end are connected with charged pond positive pole；Electricity
Road II one end connection single-chip microcomputer monitoring temperature end, the circuit I I other ends are connected with charged pond positive pole, the connection control of circuit I II one end
Circuit processed, the circuit I II other ends are connected with charged pond positive pole.
The circuit I forms by No. three resistance and with No. four resistance of No. three resistant series, No. three resistance and No. four
The series connection point of resistance is connected with single-chip microcomputer, and No. three resistance other ends are connected with charged pond positive pole, No. four resistance other ends and electricity
Source negative pole connection.
Circuit I includes No. five resistance and No. six resistance with No. five resistant series, the resistance of No. five resistance and No. six resistance
Series connection point is connected with single-chip microcomputer, and No. five resistance other ends are connected with charged pond positive pole, No. six resistance other ends and power cathode
Connection.
The circuit I II includes No.1 switching tube and the No.1 resistance connected with No.1 switching tube, No.1 switching tube are another
End is connected with single-chip microcomputer control terminal, and the No.1 resistance other end connects No. two switch controlled ends, and No. two switching tube one end are with being filled
Anode connects, and No. two switching tube other ends are connected with No. two resistance of current-limiting resistance in a series arrangement, and No. two resistance are another
End connection positive source, a voltage-stabiliser tube in parallel between No. two switch controlled ends and positive source.
The switch of the No.1 switching tube is NPN type triode, and the switch of No. two switching tubes is PNP type triode；It is described
No.1 resistance, No. two resistance are set according to charging current value；No. three resistance is identical with No. four resistance values.
The utility model realize battery intelligent charging implementation method be：
1) introducing parameter Vmax1 and Vmax2, wherein Vmax1>Vmax1.Introduce parameter voltages negative slope (- Δ V), battery
When fully charged, the pressure drop of a low amplitude is had, causes to produce a voltage negative slope on a timeline.Introduce parameters of temperature
(Δ T/ Δ t), battery if continuing large current charge, have larger when fully charged rate of change in the battery temperature short time
Temperature rise, therefore introduce rate of temperature change concept.Introduce parameter battery charging voltage threshold value Vmax3；
2) single-chip microcomputer carries out sample detecting by electric voltage observation circuit I to battery current voltage value, if magnitude of voltage is more than
Threshold value Vmax1, then do not enter charging, if less than threshold value Vmax1 and be more than threshold value Vmax2, then system enters trickle charge mould
Formula；If less than threshold value Vmax2, then system enters 3) step way to manage；
3) single-chip microcomputer carries out sample detecting by temperature observation circuit II to battery current temperature value, if temperature value is more than
10 degrees Celsius, then into high current pattern；If temperature value is less than 10 degrees Celsius, into way to manage in 4)；
4) temperature value is less than 10 degrees Celsius, into priming mode, treats that temperature value is more than this value, into high current pattern；
5) under high current pattern, with reference to the monitoring to cell voltage and temperature, when generation voltage negative slope, rate of temperature change
Increase suddenly, battery temperature increases to 45 degree and cell voltage is more than Vmax3, when this four kinds any situations occur, stops
High current mode of operation, it is transferred to trickle mode of operation.
The beneficial effects of the utility model are：
The utility model combines the operating circuit and charging intelligent management by the above, realizes with less circuit
Element realizes automatic charging function, with it is accurate and not the few parameter of quantity carry out judgement realize be convenient for it is intelligentized
The effect of control, therefore, the utility model circuit structure is succinct and application method is simple.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is circuit diagram of the present utility model；
Fig. 2 is live part flow chart of the present utility model.
In figure, Vsup：Supply voltage (power supply).
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
It is expanded on further in face of the utility model.
As shown in figure 1, a kind of motor vehicle module NI-MH battery intelligent charging circuits, it is arranged on power supply and filled
Between battery, the circuit includes the charging and monitoring passage between two nodes, is made up of three parts；Described three parts point ratio is：
Monitoring passage on be provided with as monitoring battery current voltage value circuit I, as monitor battery Current Temperatures circuit I I with
And the circuit I II as PWM charge circuits；Circuit I one end connection single-chip microcomputer monitoring voltage end, the circuit I other end with it is charged
Pond positive pole connection；Circuit I I one end connection single-chip microcomputer monitoring temperature end, the circuit I I other ends are connected with charged pond positive pole, circuit
III one end connects control circuit, and the circuit I II other ends are connected with charged pond positive pole.
The circuit I is made up of No. three resistance R3 and No. four resistance R4 to be connected with No. three resistance R3, No. three resistance
R3 is connected with No. four resistance R4 series connection point with single-chip microcomputer, and No. three resistance R3 other ends are connected with charged pond positive pole, No. four electricity
The resistance R4 other ends are connected with power cathode.
Circuit I includes No. five resistance R5 and No. six resistance R6, No. five resistance R5 being connected with No. five resistance R5 and No. six
Resistance R6 resistance series connection point is connected with single-chip microcomputer, and No. five resistance R5 other ends are connected with charged pond positive pole, and No. six resistance R6 are another
One end is connected with power cathode.
The circuit I II includes the No.1 switching tube S1 and No.1 resistance R1 to be connected with No.1 switching tube S1, No.1 switch
The pipe S1 other ends are connected with single-chip microcomputer control terminal, and the No.1 resistance R1 other ends connect No. two switching tube S2 control terminals, No. two switches
Pipe S2 one end is connected with charged pond positive pole, and No. two switching tube S2 other ends are connected with No. two electricity of current-limiting resistance in a series arrangement
R2 is hindered, No. two resistance R2 other ends connect positive source, and in parallel one is steady between No. two switching tube S2 control terminals and positive source
Pressure pipe D1.
The switch of the No.1 switching tube S1 is NPN type triode, and No. two switching tube S2 switch is PNP type triodes；
The No.1 resistance R1, No. two resistance R2 are set according to charging current value；No. three resistance R3 and No. four resistance R4 value phases
Together.
The utility model realize circuit implementing method be:
1) single-chip microcomputer carries out sampling inspection by voltage monitoring passage, electric voltage observation circuit I to charged pond current voltage value
Survey, the current voltage of battery is calculated after single-chip microcomputer sampling；
2) single-chip microcomputer carries out sampling inspection by temperature monitoring passage, temperature observation circuit II to the temperature value in charged pond
Survey, due to the non-linear relation of thermistor, single-chip microcomputer can calculate battery temperature value in a manner of tabling look-up；
3) when needing charging, when No.1 switching tube S1 is opened in circuit I II circuits, No. two switching tube S2 are opened, and open
Channel conductive is closed, charge circuit is started working, and due to voltage-stabiliser tube D1 stabilization, voltage-stabiliser tube D1 both ends Vcb are stable, charging electricity
Flow valuve is determined jointly by voltage-stabiliser tube D1 voltage stabilizing value, No. two resistance R2 resistances and No. two switching tube S2 parameter Vbe values.
As shown in Fig. 2 the battery intelligent charging implementation method that the utility model is realized is：
1) introducing parameter Vmax1 and Vmax2, wherein Vmax1>Vmax1.Introduce parameter voltages negative slope (- Δ V), battery
When fully charged, the pressure drop of a low amplitude is had, causes to produce a voltage negative slope on a timeline.Introduce parameters of temperature
(Δ T/ Δ t), battery if continuing large current charge, have larger when fully charged rate of change in the battery temperature short time
Temperature rise, therefore introduce rate of temperature change concept.Introduce parameter battery charging voltage threshold value Vmax3；
2) single-chip microcomputer carries out sample detecting by electric voltage observation circuit I to battery current voltage value, if magnitude of voltage is more than
Threshold value Vmax1, then do not enter charging, if less than threshold value Vmax1 and be more than threshold value Vmax2, then system enters trickle charge mould
Formula；If less than threshold value Vmax2, then system enters 3) step way to manage；
3) single-chip microcomputer carries out sample detecting by temperature observation circuit II to battery current temperature value, if temperature value is more than
10 degrees Celsius, then into high current pattern；If temperature value is less than 10 degrees Celsius, into way to manage in 4)；
4) temperature value is less than 10 degrees Celsius, into priming mode, treats that temperature value is more than this value, into high current pattern；
5) under high current pattern, with reference to the monitoring to cell voltage and temperature, when generation voltage negative slope, rate of temperature change
Increase suddenly, battery temperature increases to 45 degree and cell voltage is more than Vmax3, when this four kinds any situations occur, stops
High current mode of operation, it is transferred to trickle mode of operation.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has
Various changes and modifications, these changes and improvements are both fallen within claimed the utility model.The requires of the utility model is protected
Scope is by appended claims and its equivalent thereof.
Claims (5)
- A kind of 1. motor vehicle module NI-MH battery intelligent charging circuits, it is characterised in that：It is arranged on power supply and charged Between pond, the circuit includes the charging and monitoring passage between two nodes, is made up of three parts；Described three parts point ratio is： Monitor passage be provided with as monitoring battery current voltage value circuit I, as monitor battery Current Temperatures circuit I I and Circuit I II as PWM charge circuits；Circuit I one end connection single-chip microcomputer monitoring voltage end, the circuit I other end and charged pond Positive pole connects；Circuit I I one end connection single-chip microcomputer monitoring temperature end, the circuit I I other ends are connected with charged pond positive pole, circuit III one end connects control circuit, and the circuit I II other ends are connected with charged pond positive pole.
- A kind of 2. motor vehicle module according to claim 1 NI-MH battery intelligent charging circuits, it is characterised in that：It is described Circuit I is made up of No. three resistance (R3) and No. four resistance (R4) connected with No. three resistance (R3), No. three resistance (R3) with The series connection point of No. four resistance (R4) is connected with single-chip microcomputer, and No. three resistance (R3) other ends are connected with charged pond positive pole, No. four electricity Resistance (R4) other end is connected with power cathode.
- A kind of 3. motor vehicle module according to claim 1 NI-MH battery intelligent charging circuits, it is characterised in that：Circuit I No. six resistance (R6) connected including No. five resistance (R5) and with No. five resistance (R5), No. five resistance (R5) and No. six resistance (R6) resistance series connection point is connected with single-chip microcomputer, and No. five resistance (R5) other ends are connected with charged pond positive pole, No. six resistance (R6) The other end is connected with power cathode.
- A kind of 4. motor vehicle module according to claim 1 NI-MH battery intelligent charging circuits, it is characterised in that：It is described Circuit I II includes No.1 switching tube (S1) and the No.1 resistance (R1) connected with No.1 switching tube (S1), No.1 switching tube (S1) The other end is connected with single-chip microcomputer control terminal, and No.1 resistance (R1) other end connects No. two switching tube (S2) control terminals, No. two switches Pipe (S2) one end is connected with charged pond positive pole, and No. two switching tube (S2) other ends are connected with the two of current-limiting resistance in a series arrangement Number resistance (R2), No. two resistance (R2) other ends connect positive sources, No. two switching tube (S2) control terminals and positive source it Between a voltage-stabiliser tube (D1) in parallel.
- A kind of 5. motor vehicle module NI-MH battery intelligent charging circuits according to claim 2 or 4, it is characterised in that：Institute The switch for stating No.1 switching tube (S1) is NPN type triode, and the switch of No. two switching tubes (S2) is PNP type triode；Described one Number resistance (R1), No. two resistance (R2) are set according to charging current values；No. three resistance (R3) and No. four resistance (R4) values It is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265071.3U CN206759074U (en) | 2017-03-18 | 2017-03-18 | A kind of motor vehicle module NI MH battery intelligent charging circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265071.3U CN206759074U (en) | 2017-03-18 | 2017-03-18 | A kind of motor vehicle module NI MH battery intelligent charging circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759074U true CN206759074U (en) | 2017-12-15 |
Family
ID=60610306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720265071.3U Expired - Fee Related CN206759074U (en) | 2017-03-18 | 2017-03-18 | A kind of motor vehicle module NI MH battery intelligent charging circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972557A (en) * | 2017-03-18 | 2017-07-21 | 海汽电子技术芜湖股份有限公司 | Motor vehicle module NI MH battery intelligents charging circuits and charging implementation method |
-
2017
- 2017-03-18 CN CN201720265071.3U patent/CN206759074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972557A (en) * | 2017-03-18 | 2017-07-21 | 海汽电子技术芜湖股份有限公司 | Motor vehicle module NI MH battery intelligents charging circuits and charging implementation method |
| CN106972557B (en) * | 2017-03-18 | 2024-03-15 | 海汽电子技术芜湖股份有限公司 | NI-MH battery intelligent charging circuit for automobile module and charging realization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103490389B (en) | Battery protecting circuit and system | |
| CN103337673B (en) | Method for charging battery of electric road vehicle | |
| CN203466559U (en) | Lithium battery charging and discharging protection circuit | |
| CN102122734A (en) | Battery pack | |
| CN208581081U (en) | A kind of battery protecting apparatus | |
| CN105984400B (en) | A kind of vehicle power supply switching device | |
| CN105305544A (en) | Protection circuit for battery pack and battery pack comprising the same | |
| CN209658958U (en) | Series-connected cell group controls protective module | |
| CN206759074U (en) | A kind of motor vehicle module NI MH battery intelligent charging circuits | |
| CN105449312B (en) | A kind of heating control circuit for lithium ion battery | |
| KR102365909B1 (en) | Charging status indicator switching circuit | |
| CN207382017U (en) | The charger detection circuit and battery management system of a kind of battery management system | |
| US5631539A (en) | Process and apparatus for charging lithium cells or the like | |
| CN104167790A (en) | Charger and charging control system and method of mobile terminal | |
| CN106972557A (en) | Motor vehicle module NI MH battery intelligents charging circuits and charging implementation method | |
| CN214543672U (en) | Multifunctional miniaturized battery management system | |
| CN105743188B (en) | Lead-acid battery group protects system | |
| CN113949118A (en) | Battery identification and regulation circuit, device and method and charger | |
| CN208797559U (en) | A kind of electric power management circuit | |
| CN209642357U (en) | A kind of lithium battery voltage monitoring and protecting device based on electric resistance partial pressure type | |
| CN208723604U (en) | The battery management system of function is used with classification | |
| CN208119093U (en) | Power signal processing circuit and battery management system | |
| CN113178631A (en) | Modularization lithium iron phosphate battery pack with partial charging protection circuit | |
| CN202042913U (en) | Solar charging and discharging controller | |
| CN208548718U (en) | Safety device for battery charging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20190318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |