CN203071626U - Cell charging timing control circuit - Google Patents
Cell charging timing control circuit Download PDFInfo
- Publication number
- CN203071626U CN203071626U CN 201320075265 CN201320075265U CN203071626U CN 203071626 U CN203071626 U CN 203071626U CN 201320075265 CN201320075265 CN 201320075265 CN 201320075265 U CN201320075265 U CN 201320075265U CN 203071626 U CN203071626 U CN 203071626U
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- China
- Prior art keywords
- charging
- battery
- timing control
- control circuit
- electronic switch
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a cell charging timing control circuit, comprising a power supply, an electronic switch, a charger, a cell, and a single-chip microcomputer controller which are connected in order. The single-chip microcomputer controller is connected with the electronic switch. The single-chip microcomputer controller is provided with man-machine interaction keys. The cell charging timing control circuit is simple in circuit structure and low in cost, and timing control of cell charging is realized by a single-chip microcomputer. When charging time arrives or the cell is fully charged, the power is cut off to protect the charged cell and save electric energy, and thus service life of the cell can be effectively prolonged and energy consumption is reduced. The cell charging timing control circuit is suitable for timing charging control of electric vehicle storage cells, and mobile phone cells which need timing control, and also can be used in other fields which need timing control.
Description
Technical field
The utility model relates to the battery boosting technology field, relates in particular to a kind of battery charge timing control circuit.
Background technology
In CN202353267U, a kind of storage battery circuit breaker that regularly charges is disclosed, the storage battery that is used for power consumption equipments such as electric motor car and small household appliances regularly charges and breaker device, use single-chip microcomputer to constitute the storage battery circuit breaker that regularly charges, during system constitutes, input (connection AC power), the output (battery that connection is recharged) of charger will be connected, be cut-off to singlechip controller simultaneously, and this there is no need in real work fully; The operating key of its controller panel setting is too many simultaneously, and a plurality of keys are to the no any effect of charging control; Electromagnetic relay is adopted in the outage control of charging device, and driving power is big, a little less than the load-bearing capacity of contact, if to liking high-power battery charging device, the capacity of its electromagnetic relay and bulky.Obviously can't satisfy user demand fully.
The utility model content
Goal of the invention: at the deficiencies in the prior art; the purpose of this utility model provides a kind of battery charge timing control circuit; timing controlled by means of the chip microcontroller battery charge; when arriving, cut off the electricity supply in the charging interval; the battery that is recharged with protection; saves energy can prolong useful life of battery effectively, cuts down the consumption of energy.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:
A kind of battery charge timing control circuit comprises the power supply, electronic switch, charger, battery and the singlechip controller that link to each other successively; Described singlechip controller links to each other with electronic switch; Be provided with the man-machine interaction control key at described singlechip controller.
Described electronic switch is made of bidirectional thyristor; Described bidirectional thyristor turn on and off the signal controlling of being sent by singlechip controller.
The conducting of described bidirectional thyristor is controlled to be zero trigger mode, the moment that singlechip controller control zero cross fired control impuls is sent.
Described man-machine interaction control key comprises:
Time increases setting key: whenever click, the charging interval prolongs time rating;
The time reset key: the charging interval is set under the wrong situation, can re-enter the charging interval with this key zero clearing;
Start key: the charging interval presses start key and starts charging after setting and finishing, and electronic switch makes charger connect power supply, begins battery charge, and the charging interval is done subtraction by the setting-up time value.
Beneficial effect: compared with prior art; battery charge timing control circuit of the present utility model; circuit structure is simple; with low cost, by means of the timing controlled of chip microcontroller battery charge, when arriving, cut off the electricity supply in the charging interval; the battery that is recharged with protection; saves energy can prolong useful life of battery effectively, cuts down the consumption of energy.Be applicable to the timing charging control that needs to realize time-controlled electromobile battery, battery of mobile phone, also can be applied to other needs time-controlled field.
Description of drawings
Fig. 1 is the structural representation of battery charge timing control circuit;
Fig. 2 is battery charge timing control circuit figure;
Fig. 3 is battery charging state testing circuit figure;
Fig. 4 is zero passage detection and electronic switch drive circuit figure.
Embodiment
Below in conjunction with concrete accompanying drawing the utility model is done further explanation.
As shown in Figure 1, the battery charge timing control circuit comprises the power supply, electronic switch, charger, battery and the singlechip controller that link to each other successively; Singlechip controller links to each other with electronic switch; Be provided with the man-machine interaction control key at singlechip controller.Electronic switch is made of bidirectional thyristor; Bidirectional thyristor turn on and off the signal controlling of being sent by singlechip controller.The conducting of bidirectional thyristor is controlled to be zero trigger mode, the moment that singlechip controller control zero cross fired control impuls is sent.The man-machine interaction control key comprises: the time increases setting key: whenever click, the charging interval prolongs time rating; The time reset key: the charging interval is set under the wrong situation, can re-enter the charging interval with this key zero clearing; Start key: the charging interval presses start key and starts charging after setting and finishing, and electronic switch makes charger connect power supply, begins battery charge, and the charging interval is done subtraction by the setting-up time value.
This battery charge timing control circuit adopts single-chip microcomputer to constitute charge controller, and controller mainly forms unit etc. by single-chip minimum system, LCD nixie display, zero-crossing pulse and forms.Singlechip application programs realizes timing controlled, the input control of charge power supply, the setting in charging interval, demonstration, the battery charging voltage state-detection of charging circuit.
As shown in Figure 2, when battery need charge, the battery operating position that the user charges was as required set the charging interval to controller.If in charging process, the battery both end voltage has reached setting voltage in the charging interval that sets, and continue for some time (floating charge), as 10～15 fens kinds, show that battery charge finishes, singlechip controller outputs signal to electronic switch zero passage drive circuit, remove the trigger impulse that drive circuit outputs to bidirectional thyristor, electronic switch turn-offs, and the charger power supply cut-offs, and charging is finished.If in charging process, in the time that sets, the battery both end voltage does not reach setting voltage, the timing controlled time of singlechip controller inside arrives, and controller outputs signal to electronic switch zero passage drive circuit equally, and electronic switch is turn-offed, the charger power supply cut-offs, and charging finishes.
The time control of singlechip controller, high-frequency impulse behind the employing single-chip microcomputer crystal oscillator frequency division carries out timer counter, produce a second signal by timer T0, realize the charging timing controlled by timer T1, subtract a second timing, the real-time time residual flux is crossed LCD display and is shown, the residue charging interval sends when reducing to zero and interrupts application, sends the outage control signal to electronic switch, the charger outage, charging finishes, and provides indication information.If in the time range that singlechip controller is set, cell voltage reaches setting, and certain time, system thinks that battery has charged and finishes, and sends power-off signal to electronic switch, the charger outage, and charging finishes, and provides indication information.Timer stops, and keeps current time information, knows to the user.
The battery charging state testing circuit, as shown in Figure 3, battery charging state by the resistance detection battery terminal voltage after, deliver to 311 comparator (U
1), with R
3, R
4The benchmark voltage division signal that constitutes compares.Be lower than reference voltage, 311 comparator (U if detect voltage
1) output low level, transistor turn-offs, and the former limit of photoelectric coupling circuit no current passes through, and its output is high level.Be higher than reference voltage, 311 comparator (U if detect voltage
1) the output high level, transistor turns gives photoelectric coupling circuit with excitation, and its output is low level.Determine the battery port voltage status thus.311 comparator (U
1) and testing circuit by R
1And D
WStabilized power supply is provided, and supply voltage is set to 5V.Photoelectric coupling circuit output and singlechip controller share the 5V power supply, isolate not altogether between two power supplys.
The electronic switch drive circuit as shown in Figure 4, AC power is for conversion into unidirectional pulsating voltage signal through bridge rectifier, through R
9, D
W1(the signal voltage amplitude is controlled at 311 comparator (U to become unidirectional trapezoidal wave voltage signal
2) supply voltage V
CNear), this signal and R
10, R
11The reference voltage that dividing potential drop forms relatively obtains the alternating voltage zero-crossing pulse, i.e. 311 comparator (U
2) output signal (through T
1Paraphase) is the AC supply voltage zero cross signal.If T
3Conducting, T
1Output drives T
2Make pulse transformer former limit excitation, transformer is paid the limit and is just exported the pulse signal that drives electronic switch, the electronic switch conducting, and subsequent conditioning circuit gets.If T
3Turn-off, the former limit of pulse transformer can't obtain excitation, and electronic switch can't conducting.T
3By the signal controlling of Single-chip Controlling output, this testing circuit power supply and singlechip controller share.
This battery charge timing control circuit can constitute integral body with existing charger, becomes product, also can constitute integral body with existing socket, becomes product.And if existing socket constitutes wholely, this invention only will be changed in quality into the controller by time control, and the battery charging state test section is ineffective, but not influence the work of native system.Controller control socket output supplying time allows subsequent charge, electricity consumption facility obtain electric energy in the time of setting.
At difference charging object, can calculate in the circuit parameter as the bidirectional thyristor of electronic switch according to the object watt level, the rated current of bidirectional thyristor is determined with 1.5～2 of load rating electric current.
This battery charge timing control circuit adopts bidirectional thyristor to realize the break-make control of input power supply.When the charging interval of setting to or control circuit when detecting cell voltage and arriving setting and continue setting-up time, controller is namely sent and is turn-offed the bidirectional thyristor control signal, the electronic switch disconnection; the charger outage; finish charging process, protection is recharged battery, simultaneously saves energy.
This battery charge timing control circuit detects battery port voltage, is used for the state-detection that battery charge is finished.Employing resistance sampling measurement battery port voltage should detect voltage and benchmark compares, and determined the state that battery charge is finished, single-chip microcomputer is behind this state of detection, time-delay determines that battery charge finishes a period of time, sends control electronic switch cut-off signal again, finishes battery charging process.
This battery charge timing control circuit is set charging interval end and battery charge completion status and is finished determining cause element really as the control battery charge simultaneously.When the early stage that battery comes into operation, charger can be realized the control of battery charge well, and before charging is finished, entering little electric current floating charge state, the battery charge completion status detects the shutoff that can be used for the control battery charger, avoids battery to be in charged state for a long time.To the later stage that battery uses, as if owing to the variation of inside battery structure, the loss of electrolyte, battery charge can't be full of, cause charger to be in charged state always, finally cause battery towards quick-fried (external drum), the battery permanent failure also is accompanied by a large amount of energy losses simultaneously.Therefore, adopting and set the decisive factor that the charging interval finishes and two signals of battery charge completion status charge and finish as charger simultaneously, is the protection battery, prolongs the battery effective means in useful life.
This battery charge timing control circuit according to the battery operating position, is determined the charging interval voluntarily.The user can determine the battery charge time voluntarily according to situation about oneself using, and the time set scope did not wait from 1 hour to 8 hours.In the setting key, whenever increase by 1 hour (or other time ratings) by a setting-up time, after time set is finished, can start charging, charging interval progressively successively decreases, and arrives when the charging interval, and the time of demonstration is when reducing to zero, controller provides control signal, and electronic switch is cut-off, and charging is finished.
This battery charge timing control circuit shows battery charge remaining time with LCD.According to the charging interval that sets up on their own, after the startup charging, LCD display shows the remaining time of charging, and the user according to circumstances can judge that battery electric quantity could satisfy oneself requirement, determines whether continue to charge.
This battery charge timing control circuit, as shown in Figure 3, the cell voltage state provides indication by detecting comparison circuit, and gives controller.Sampling resistor compares the sampling of battery both end voltage with reference voltage, export current cell voltage state.Set numerical value when cell voltage arrives, and after continuing for some time, controller affirmation battery charge is finished, determines with timing signal whether charging circuit works on.
This battery charge timing control circuit, the timing charging control by means of the chip microcontroller charger is aided with the detection that is full of of battery charge; realize the outage control after battery charge is finished; can protect the battery that is recharged effectively, prevent that over-charging of battery from damaging, and realizes energy-conservation simultaneously.Between AC power and charger, inserted an electronic switch, this electronic switch is made of bidirectional thyristor, this bidirectional thyristor turn on and off the signal controlling of being sent by single-chip microcomputer.The conducting of bidirectional thyristor is controlled to be zero trigger mode, the moment that Single-chip Controlling zero cross fired control impuls is sent.When battery need charge, according to the operating position of battery, set the charging interval to singlechip controller, and start charging.In the process that recharges here, two kinds of situations can appear.
Situation one: if in charging process, the both end voltage of battery has reached setting voltage in the time that sets, and continue 10～15 minutes, singlechip controller outputs signal to electronic switch zero passage drive circuit, the trigger impulse that makes drive circuit output to bidirectional thyristor is zero, electronic switch turn-offs, and the charger power supply cut-offs, and charging is finished.In this case, the control of control circuit realizes, depends on the cell voltage status detection.The voltage of battery port drawn deliver in the controller, comparison circuit in the controller compares itself and reference voltage, when cell voltage arrives set point, send the cell voltage status signal to singlechip controller, show that battery charge approaches to finish that singlechip controller monitors this state, after this state surpasses 10～15 minutes perdurabgility, think that namely battery has been full of electricity, charging is finished, and switch can disconnect.
Situation two: if in charging process, the both end voltage of battery does not reach setting voltage in the time that sets, the timing controlled time of singlechip controller inside arrives, controller outputs signal to electronic switch zero passage drive circuit equally, electronic switch is turn-offed, the charger power supply cut-offs, and charging is finished.The appearance of this situation, be the battery later stage mostly, battery functi on fails, in daily use, can occur charging and situation about being not fully filled, As time goes on always, the battery case heating, electrolyte in the battery will evaporate under the electric current continuous action, and electric energy becomes thermal energy consumption, and accelerate the damage of battery.And because regularly charging control has been arranged, can avoid this situation effectively, delay the useful life of battery.
This battery charge timing control circuit can constitute integral body with existing charger, becomes product, also can constitute integral body with existing socket, becomes product.And if existing socket formation is whole, this utility model will be changed in quality into the controller of only being controlled by the time, and control socket output supplying time allows subsequent charge, electricity consumption facility obtain electric energy in the time of setting.
At difference charging object, can calculate the parameter of the bidirectional thyristor of electronic switch in the circuit according to the object watt level, the invention provides the system of selection of bidirectional thyristor.
Propose a kind of timing charging control by means of the chip microcontroller charger, auxiliary voltage detecting with battery charge determines whether battery is full of; can realize the outage control after battery charge is finished; with the battery that protection is recharged, prevent that over-charging of battery from damaging, and realizes energy-conservation simultaneously.
Claims (4)
1. a battery charge timing control circuit is characterized in that: comprise the power supply, electronic switch, charger, battery and the singlechip controller that link to each other successively; Described singlechip controller links to each other with electronic switch; Be provided with the man-machine interaction control key at described singlechip controller.
2. battery charge timing control circuit according to claim 1, it is characterized in that: described electronic switch is made of bidirectional thyristor; Described bidirectional thyristor turn on and off the signal controlling of being sent by singlechip controller.
3. battery charge timing control circuit according to claim 2, it is characterized in that: the conducting of described bidirectional thyristor is controlled to be zero trigger mode, the moment that singlechip controller control zero cross fired control impuls is sent.
4. battery charge timing control circuit according to claim 1, it is characterized in that: described man-machine interaction control key comprises:
Time increases setting key: whenever click, the charging interval prolongs time rating;
The time reset key: the charging interval is set under the wrong situation, can re-enter the charging interval with this key zero clearing;
Start key: the charging interval presses start key and starts charging after setting and finishing, and electronic switch makes charger connect power supply, begins battery charge, and the charging interval is done subtraction by the setting-up time value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075265 CN203071626U (en) | 2013-02-18 | 2013-02-18 | Cell charging timing control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075265 CN203071626U (en) | 2013-02-18 | 2013-02-18 | Cell charging timing control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071626U true CN203071626U (en) | 2013-07-17 |
Family
ID=48770376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320075265 Expired - Fee Related CN203071626U (en) | 2013-02-18 | 2013-02-18 | Cell charging timing control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071626U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703412A (en) * | 2014-11-28 | 2016-06-22 | 上海创米科技有限公司 | Novel intelligent charger |
| CN106787047A (en) * | 2017-01-03 | 2017-05-31 | 上海广为美线电源电器有限公司 | Charger with timesharing timing function |
| CN107147194A (en) * | 2017-07-19 | 2017-09-08 | 国家电网公司 | A kind of multichannel automatic charge device and method |
-
2013
- 2013-02-18 CN CN 201320075265 patent/CN203071626U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703412A (en) * | 2014-11-28 | 2016-06-22 | 上海创米科技有限公司 | Novel intelligent charger |
| CN106787047A (en) * | 2017-01-03 | 2017-05-31 | 上海广为美线电源电器有限公司 | Charger with timesharing timing function |
| CN106787047B (en) * | 2017-01-03 | 2024-03-01 | 上海广为美线电源电器有限公司 | Charger with time-sharing timing function |
| CN107147194A (en) * | 2017-07-19 | 2017-09-08 | 国家电网公司 | A kind of multichannel automatic charge device and 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20200218 |