CN203278326U - Intelligent charging control circuit - Google Patents
Intelligent charging control circuit Download PDFInfo
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- CN203278326U CN203278326U CN2013202951661U CN201320295166U CN203278326U CN 203278326 U CN203278326 U CN 203278326U CN 2013202951661 U CN2013202951661 U CN 2013202951661U CN 201320295166 U CN201320295166 U CN 201320295166U CN 203278326 U CN203278326 U CN 203278326U
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Abstract
The utility model provides an intelligent charging control circuit. The circuit comprises a direct current power supply unit, a direct current voltage stabilization unit, a voltage detection control unit and an electrical storage device. The voltage detection control unit is used to detect a voltage of the electrical storage device. When the voltage of the electrical storage device is lower than a lower limit of the voltage, the voltage detection control unit emits a charging signal so as to make the direct current power supply unit charge the electrical storage device. When the voltage of the electrical storage device is higher than an upper limit of the voltage, the voltage detection control unit emits a charging stopping signal so as to make the direct current power supply unit stop charging the electrical storage device. In the prior art, the charging control circuit makes electronic equipment or a storage battery be in an electric hanging state, which influences a service life of the electronic equipment or the storage battery. By using the intelligent charging control circuit of the utility model, the above technical problem is solved. By using the intelligent charging control circuit, there is no overcharge and over-discharge problems so that the service life of the electrical storage device is not influenced.
Description
Technical field
The utility model relates to a kind of charging circuit, and specifically a kind of intelligent charge control circuit, belong to the charger technical field.
Background technology
Along with the development of society, various portable sets have progressively been come into our life: mobile phone, and MP3, notebook, digital camera, portable DVD player and family have become the part of our daily life with light cat etc.Be accompanied by the development of portable type electronic product, its power issue also more and more receives everybody concern.At present, once battery and secondary cell on market, primary cell are to use after electric weight just discarded battery, and secondary cell is the battery of rear use of can repeatedly charging, and also is called storage battery.Along with the development of portable set, no matter from saving cost, still from environmental protection, storage battery more has superiority, and the demand in market is also increasing.
Good in order to ensure accumulator property, extend battery, must carry out reasonably effectively management and control battery.Yet; storage battery is subject to overcharge, the infringement of deep discharge and short circuit; therefore the charging/discharging voltage of storage battery must strictly be controlled; for avoiding overcharging and overdischarge; charger must be taked safety precautions, serviceability and the useful life of improving storage battery by the charging and discharging state that detects battery.
patent documentation CN201440614U discloses a kind of charging control circuit, comprise the buck change-over circuit, voltage sampling circuit, current sampling circuit and be control circuit, which kind of charging modes the charging control circuit that provides can take electronic equipment or storage battery are charged according to the type automatic decision of outside DC source, namely can automatically select between booster type charging and voltage-dropping type charging, and adopt micro-control circuit to control the buck change-over circuit, the voltage signal detected electrons equipment that feeds back by voltage sampling circuit or the state of battery, do not reach the battery of complete charge condition for being full of electricity, in time turn-off charging current, and with little electric current boost charge, for the battery of brownout, first carry out precharge with little electric current, when rising to normal value, the voltage of battery carries out again large current charge.Above-mentioned charging control circuit makes electronic equipment or storage battery be in the extension electricity condition always, have a strong impact on the life-span of electronic equipment or storage battery, circuit is complicated simultaneously, electronic component is many, and electronic component is arranged intensive, and the electromagnetic interference of generation can affect stability and the reliability of circuit.
The utility model content
Technical problem to be solved in the utility model is that charging control circuit of the prior art makes electronic equipment or electric power storage be in the extension electricity condition always, have a strong impact on electronic equipment or the technical problem in electrical storage device life-span, thereby a kind of a kind of electrical storage device intelligent charge control circuit in useful life that do not affect that provides is provided.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the utility model provides a kind of intelligent charge control circuit, comprises DC power source unit, direct-flow voltage regulation unit, voltage detecting control unit and electrical storage device; The voltage detecting control unit is for detection of the voltage of electrical storage device, when the voltage of electrical storage device during lower than lower voltage limit, the voltage detecting control unit sends charging signals, controlling DC power source unit charges to electrical storage device, when the voltage of electrical storage device during higher than upper voltage limit, the voltage detecting control unit sends and stops filling signal, controls DC power source unit and stops charging to electrical storage device.This intelligent charge control circuit has solved in the prior art charging control circuit and electronic equipment or storage battery has been in hang the technical problem that electricity condition affects the life-span of electronic equipment or storage battery always, this intelligent charge control circuit can not affect the useful life of electrical storage device without the sorrow of super-charge super-discharge.
(2) intelligent charge control circuit described in the utility model, the core of described voltage detecting control unit is 556 timing circuits, 556 timing circuits comprise two 555 timers, first 555 timer and peripheral electron element consist of a comparator, voltage signal by detecting respectively resistance R 8, R9 also is transferred to comparator with the voltage signal of resistance R 8, R9, comparator is by relatively judging whether to stop charging, simultaneously by changing resistance R 8, R9 resistance the regulation voltage upper limit and lower voltage limit respectively; Thereby whether the oscillator that second 555 timer and peripheral electron element consist of works by control transformer T2 control DC power source unit and whether charge to electrical storage device.In terms of existing technologies, circuit is simple, the less electronic devices and components of use design, the distribution space of electronic devices and components is relatively large in the circuit board of same size, interference each other is less, thereby effectively avoided charging control circuit circuit complexity in prior art, stability and the not high problem of reliability.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structured flowchart of an embodiment of intelligent charge control circuit described in the utility model;
Fig. 2 is the circuit connection structure figure of the described intelligent charge control circuit of Fig. 1;
Fig. 3 is the structured flowchart of another embodiment of intelligent charge control circuit described in the utility model;
Fig. 4 is the circuit connection structure figure of the described intelligent charge control circuit of Fig. 3;
Fig. 5 is another structured flowchart of intelligent charge control circuit described in the utility model;
Fig. 6 is the circuit connection structure figure of Fig. 5 intelligent charge control circuit described in the utility model;
Reference numeral: 1-DC power source unit, 11-voltage transformation unit, 2-direct-flow voltage regulation unit, 3-voltage detecting control unit, 4-electrical storage device, 5-rectification unit.
Embodiment
Embodiment 1:
The present embodiment provides a kind of intelligent charge control circuit, structured flowchart as shown in Figure 1, described intelligent charge control circuit comprises DC power source unit 1, direct-flow voltage regulation unit 2, voltage detecting control unit 3 and electrical storage device 4, wherein, described DC power source unit 1 is used for external output DC.
In the present embodiment, described DC power source unit 1 comprises AC power and rectifier, wherein, described rectifier is used for AC rectification is become direct current, described rectifier comprises an input and an output, the input of described rectifier is connected with the output of described AC power, and the output of described rectifier is externally exported direct current.
As other execution modes, described DC power source unit 1 can be DC power supply, and for example batteries, storage battery or civil power are converted into direct current by adapter.
Described direct-flow voltage regulation unit 2 comprises an input and an output, and the input of described direct-flow voltage regulation unit 2 is connected with the output of described DC power source unit 1; Described direct-flow voltage regulation unit 2 is used for keeping the described galvanic voltage constant of DC power source unit 1 output, and provides DC power supply to voltage detecting control unit 3.
As shown in Figure 2, described direct-flow voltage regulation unit 2 comprises voltage stabilizing chip 7809, polar capacitor C1, C2, capacitor C 3, C4.Anodal and the end described capacitor C 4 of the Vin pin of described voltage stabilizing chip 7809, described polar capacitor C1 links together jointly, simultaneously as the input of described direct-flow voltage regulation unit 2, the output of described DC power source unit 1, the first input end of described voltage detecting control unit 3; One end common ground of the GND pin of the negative pole of the other end of described capacitor C 4, described polar capacitor C1, described voltage stabilizing chip 7809, the negative pole of described polar capacitor C2 and described capacitor C 3, the Vout pin of the positive pole of the other end of described capacitor C 3, described polar capacitor C2 and described voltage stabilizing chip 7809 links together jointly, and the Vout pin of described voltage stabilizing chip 7809 is that the output of described direct-flow voltage regulation unit 2 is connected with the second input of described voltage detecting control unit 3.
Described voltage detecting control unit 3, comprise be used to the galvanic first input end that receives described DC power source unit output, for the second input and an output of working power are provided to described voltage detecting control unit, the first input end of described voltage detecting control unit 3 is connected with the output of described DC power source unit 1, is used for receiving the described direct current of described DC power source unit 1 output; The second input of described voltage detecting control unit 3 is connected with the output of described direct-flow voltage regulation unit 2, the described direct current that is used for receiving described direct-flow voltage regulation unit 2 outputs is as working power, the described electrical storage device 4 of the output termination of described voltage detecting control unit 3; Described voltage detecting control unit 3 is for detection of the voltage of electrical storage device 4 and control the charging of electrical storage device 4, when the voltage of described electrical storage device 4 during lower than lower voltage limit, described voltage detecting control unit 3 sends charging signals, with backward described electrical storage device 4 chargings of the described direct current transformation of described DC power source unit 1 output, when the voltage of described electrical storage device 4 during higher than upper voltage limit, described voltage detecting control unit 3 sends and stops filling signal, controls described DC power source unit 1 and stops to described electrical storage device 4 chargings.In the present embodiment, described electrical storage device 4 is lithium battery.
As shown in Figure 2, described voltage detecting control unit 3 comprises the NE556 chip, transformer T2, field effect transistor VD, resistance R 1, R2, R3, R4, R5, R6, R8, R9, capacitor C 5, C6, C7, diode D5.The work of opening the described transformer T2 of shutoff control of field effect transistor VD, detecting lithium battery voltage by the voltage that detects described resistance R 8, R9 is higher than lower than upper voltage limit with lower than lower voltage limit, if described electrical storage device 4 voltages lower than described lower voltage limit, recover charging; If lithium battery voltage higher than described upper voltage limit, stops charging.
as shown in Figure 2,13 pins of described NE556 chip are connected with the output of described direct-flow voltage regulation unit 2 through the second input that resistance R 1 and 14 pins, 4 pins of NE556 chip link together as described voltage detecting control unit 3, 12 pins of described NE556 chip are connected with 13 pins of described NE556 chip through described resistance R 2, 11 pins of described NE556 chip are through described capacitor C 7 ground connection, 10 pins of described NE556 chip are connected with 5 pins, it is common through ground connection after described capacitor C 5 after 8 pins of described NE556 chip are connected with 12 pins of described NE556 chip, 3 pins of described NE556 chip are through described capacitor C 6 ground connection, 9 pins of described NE556 chip are through described resistance R 3 and the grid G that jointly connects field effect transistor after an end of described resistance R 6 is connected, the other end ground connection of described resistance R 6, the drain D of described field effect transistor is connected with the second input of described transformer T2, and the first input end of described transformer T2 is connected with the output of described DC power source unit 1 as the first input end of described voltage detecting control unit 3, the positive pole of described diode D5 is connected with the first output of described transformer T2, and the output head anode that an end of the negative pole of described diode D5, described resistance R 8, an end of described resistance R 9 link together jointly as described voltage detecting control unit 3 is connected with the input anode of described electrical storage device 4, the end of the 6 common connecting resistance R4 of pin of described resistance R 8 other ends and described NE556 chip, 2 pins of described resistance R 9 other ends and described NE556 chip connect an end of described resistance R 5 jointly, 7 pins of the other end of the other end of described resistance R 4, described resistance R 5, the source S of described field effect transistor, described NE556 chip, the second output of described transformer T2 link together jointly, are connected with the input cathode of described electrical storage device 4 as the negative pole of output end of described voltage detecting control unit 3.
the core of described voltage detecting control unit 3 is comprised of 556 timing circuits, described 556 timing circuits comprise two 555 timers, first 555 timer pin comprises 1 to No. 6 pin of described NE556 chip, described first 555 timer and described divider resistance R8, R9, described resistance R 4, R5 consists of the electric voltage observation circuit of described electrical storage device 4, second 555 timer pin comprises 8 to No. 13 pins of described NE556 chip, described second 555 timer and described capacitor C 5, described resistance R 1, R2 consists of the conducting cut-off state that an oscillator is controlled described field effect transistor VD, the direct current of described DC power source unit 1 output is become square wave, improve the square wave amplitude through described transformer T2 again, be rectified into DC power supply to lithium cell charging by diode D5.
Described comparator operation principle: when described resistance R 9 detects described lithium battery and forces down in lower voltage limit, described first 555 timer output end, 5 pins are high level, putting described second 555 timer reset terminal 10 pin is high level, described second 555 timer normal operation, control described transformer T2 work, the described direct current of described DC power source unit output is changed into the voltage that the electric pressure with described electrical storage device is complementary, and lithium battery charges normal; When detecting lithium battery, described resistance R 8 presses when being elevated to upper voltage limit, described first 555 timer is output as low level, putting described second 555 timer reset terminal 10 pin is low level, described oscillator quits work, described field effect transistor VD is in cut-off state, control described transformer T2 and quit work, described lithium battery stops charging.
described oscillator operation principle: when described second 555 timer reset terminal 10 pin are high level, described oscillator normal operation circuit is connected, described capacitor C 5 chargings, when described capacitor C 5 voltage Vc reach 2/3Vcc, Vcc is described 556 chip operating voltages, described second 555 timer output end 5 pin are low level, described field effect transistor gate-source voltage Vgs is 0, Id is very little for its drain current, the cut-off of the drain-source utmost point, simultaneously described second inner triode T of 555 timers conducting, described capacitor C 5 is by described resistance R 2 and described triode T discharge, Vc descends, when Vc drops to 1/3Vcc, described second 555 timer output end 5 pin upset are high level, discharge finishes, described triode T cut-off, described field effect transistor Vgs increases, the Id electric current increases, the conducting of the drain-source utmost point, by adjusting described capacitor C 5 and described resistance R 1, the value of R2 just can form the oscillator of fixed frequency, the following formula of frequency computation part:
As other execution modes, described electrical storage device 4 can be nickel-cadmium cell, sodium-sulphur battery, lead-acid battery, nickel-zinc cell etc.
the utility model provides a kind of intelligent charge control circuit, comprise DC power source unit 1, direct-flow voltage regulation unit 2, voltage detecting control unit 3 and electrical storage device 4, voltage detecting control unit 3 is for detection of the voltage of electrical storage device 4, when the voltage of described electrical storage device 4 during lower than lower voltage limit, voltage detecting control unit 3 sends charging signals, control described DC power source unit 1 to described electrical storage device 4 chargings, when the voltage of described electrical storage device 4 during higher than upper voltage limit, voltage detecting control unit 3 sends and stops filling signal, controlling described DC power source unit 1 stops to described electrical storage device 4 chargings.This intelligent charge control circuit has solved charging control circuit makes electronic equipment or storage battery be in the technical problem that the extension electricity condition affects the life-span of electronic equipment or storage battery always, this intelligent charge control circuit can not affect the useful life of electrical storage device 4 without the sorrow of super-charge super-discharge.
The core of described voltage detecting control unit 3 comprises 556 timing circuits, described 556 timing circuits comprise two 555 timers, described first 555 timer and peripheral electron element consist of a comparator, described resistance R 8, R9 are transferred to described comparator with the signal that detects respectively, described comparator is by relatively judging whether to stop charging, simultaneously by changing described resistance R 8, R9 resistance the regulation voltage upper limit and lower voltage limit voltage respectively; Thereby whether the oscillator that described second 555 timer and peripheral electron element consist of works to control by control transformer whether charge to electrical storage device 4.
Above-mentioned intelligent charge control circuit in terms of existing technologies, circuit is simple, the less electronic devices and components of use design, the distribution space of electronic devices and components is relatively large in the circuit board of same size, interference each other is less, thereby effectively avoided charging control circuit circuit complexity in prior art, stability and the not high problem of reliability.
Embodiment 2:
On the basis of above-described embodiment 1, described a kind of intelligent charge control circuit also comprises rectification unit 5, as shown in Figure 3, described DC power source unit 1 comprises AC power and rectifier, wherein, described rectifier is used for AC rectification is become direct current, and described rectifier comprises an input and an output, the input of described rectifier is connected with the output of described AC power, and the output of described rectifier is externally exported direct current.
shown in Figure 4, described rectification unit 5 comprises diode D1, D2, D3, D4, described diode D1, D2, D3, D4 consists of full bridge rectifier, described rectification unit 5 comprises first input end, the second input, cathode output end and cathode output end, the link of the positive pole of described diode D1 and described diode D2 negative pole connects the negative pole of output end of described DC power source unit 1 as the first input end of described rectification unit 5, the link of the positive pole of described diode D3 and described diode D4 negative pole is as the output head anode of the second described DC power source unit 1 of input termination of described rectification unit 5, the link of the negative pole of described diode D1 and described diode D3 negative pole is as the input of the described direct-flow voltage regulation unit 2 of output termination of described rectification unit 5, the first input end of described voltage detecting control unit 3, the link of the positive pole of described diode D2 and described diode D4 positive pole is as the cathode output end ground connection of described rectification unit 5.Described rectification unit 5 can also judge the both positive and negative polarity of input electricity when carrying out the secondary rectification.
In the present embodiment, the direct current that described rectifier is exported carries out the secondary rectification, judges the both positive and negative polarity of the direct current of described rectifier output.
Embodiment 3:
On above-described embodiment 1,2 basis, described DC power source unit 1 also comprises voltage transformation unit 11, its structured flowchart as shown in Figure 5, electric energy is input as electric main, described voltage transformation unit 11 is used for line voltage is transformed to the voltage that is complementary with electrical storage device 4 electric pressures, described voltage transformation unit 11 comprises an input and an output, and the input of described voltage transformation unit 11 is connected with described city electric connection terminal, the alternating current after the output output transformation of described voltage transformation unit 11.
As shown in Figure 6, described voltage transformation unit 11 is transformer T1, the high pressure side joint civil power of described transformer T1, the input of the low pressure side joint rectification unit 5 of described transformer T1.
The intelligent charge control circuit that the present embodiment provides be with the civil power alternating current by voltage transformation unit 11 transformations for the voltage that is complementary with electrical storage device 4 electric pressures after, be direct current by rectification unit 5 with AC rectification, described direct current divides two-way, lead up to after direct-flow voltage regulation unit 2 voltage regulation filterings directly to described voltage detecting control unit 3 power supplies, another road is connected with transformer T2, is used for to electrical storage device 4 chargings.
As other execution modes, the high pressure side joint civil power of described transformer T1, the low pressure side joint rectifier of described transformer T1, the output of described rectifier can connect direct-flow voltage regulation unit 2, also can connect described rectification unit 5.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of the invention.
Claims (9)
1. an intelligent charge control circuit, is characterized in that: comprise DC power source unit, direct-flow voltage regulation unit, voltage detecting control unit and electrical storage device, wherein
DC power source unit is used for external output DC;
Direct-flow voltage regulation unit, comprise an input and an output, the input of described direct-flow voltage regulation unit is connected with the output of described DC power source unit, described direct-flow voltage regulation unit is used for keeping the described galvanic voltage constant of DC power source unit output, and provides DC power supply to the voltage detecting control unit;
The voltage detecting control unit, comprise be used to the galvanic first input end that receives described DC power source unit output, for the second input and an output of working power are provided to described voltage detecting control unit, the first input end of described voltage detecting control unit is connected with the output of described DC power source unit, is used for receiving the described direct current of described DC power source unit output; The second input of described voltage detecting control unit is connected with the output of described direct-flow voltage regulation unit, the described direct current that is used for receiving described direct-flow voltage regulation unit output is as working power, the described electrical storage device of output termination of described voltage detecting control unit; Described voltage detecting control unit is for detection of the voltage of electrical storage device and control the charging of electrical storage device, when the voltage of described electrical storage device during lower than lower voltage limit, described voltage detecting control unit sends charging signals, with the backward described electrical storage device charging of the described direct current transformation of described DC power source unit output, when the voltage of described electrical storage device during higher than upper voltage limit, described voltage detecting control unit sends and stops filling signal, controls described DC power source unit and stops to described electrical storage device charging;
Electrical storage device is used for storing the direct current that described DC power source unit provides.
2. intelligent charge control circuit according to claim 1, it is characterized in that: described intelligent charge control circuit also comprises rectification unit, described rectification unit comprises an input and an output, the input of described rectification unit is connected with the output of described DC power source unit, the output while of described rectification unit and the input of described direct-flow voltage regulation unit, the first input end of described voltage detecting control unit connects, described rectification unit is used for the described direct current of DC power source unit output is carried out exporting to described direct-flow voltage regulation unit after the secondary rectification, and judge the both positive and negative polarity of described DC power source unit output DC.
3. intelligent charge control circuit according to claim 2, it is characterized in that: described DC power source unit comprises AC power and rectifier, wherein, described rectifier is used for AC rectification is become direct current, described rectifier comprises an input and an output, the input of described rectifier is connected with the output of described AC power, and the output of described rectifier is externally exported direct current.
4. intelligent charge control circuit according to claim 3, it is characterized in that: described DC power source unit also comprises voltage transformation unit, be used for line voltage is transformed to the voltage that is complementary with the electrical storage device electric pressure, described voltage transformation unit comprises an input and an output, the input of described voltage transformation unit is electrically connected to described city, the alternating current after the output output transformation of described voltage transformation unit.
5. intelligent charge control circuit according to claim 4, it is characterized in that: described direct-flow voltage regulation unit comprises voltage stabilizing chip 7809, polar capacitor C1, C2, capacitor C 3, C4;
Anodal and the end described capacitor C 4 of the Vin pin of described voltage stabilizing chip 7809, described polar capacitor C1 links together jointly, simultaneously as the output of the input of described direct-flow voltage regulation unit, described DC power source unit, the first input end of described voltage detecting control unit; One end common ground of the GND pin of the negative pole of the other end of described capacitor C 4, described polar capacitor C1, described voltage stabilizing chip 7809, the negative pole of described polar capacitor C2 and described capacitor C 3, the Vout pin of the positive pole of the other end of described capacitor C 3, described polar capacitor C2 and described voltage stabilizing chip 7809 links together jointly, and the Vout pin of described voltage stabilizing chip 7809 is that the output of described direct-flow voltage regulation unit is connected with the second input of described voltage detecting control unit.
6. intelligent charge control circuit according to claim 2, it is characterized in that: described voltage detecting control unit comprises the NE556 chip, transformer T2, field effect transistor VD, resistance R 1, R2, R3, R4, R5, R6, R8, R9, capacitor C 5, C6, C7, diode D5;
13 pins of described NE556 chip are connected with the output of described direct-flow voltage regulation unit through the second input that resistance R 1 and 14 pins, 4 pins of NE556 chip link together as described voltage detecting control unit, 12 pins of described NE556 chip are connected with 13 pins of described NE556 chip through described resistance R 2, 11 pins of described NE556 chip are through described capacitor C 7 ground connection, 10 pins of described NE556 chip are connected with 5 pins, it is common through ground connection after described capacitor C 5 after 8 pins of described NE556 chip are connected with 12 pins of described NE556 chip, 3 pins of described NE556 chip are through described capacitor C 6 ground connection, 9 pins of described NE556 chip are through described resistance R 3 and the grid G that jointly connects described field effect transistor after an end of described resistance R 6 is connected, the other end ground connection of described resistance R 6, the drain D of described field effect transistor is connected with the second input of described transformer T2, and the first input end of described transformer T2 is connected with the output of described DC power source unit as the first input end of described voltage detecting control unit, the positive pole of described diode D5 is connected with the first output of described transformer T2, and the output head anode that an end of the negative pole of described diode D5, described resistance R 8, an end of described resistance R 9 link together jointly as described voltage detecting control unit is connected with the input anode of described electrical storage device, the end of the 6 common connecting resistance R4 of pin of described resistance R 8 other ends and described NE556 chip, 2 pins of described resistance R 9 other ends and described NE556 chip connect an end of described resistance R 5 jointly, 7 pins of the other end of the other end of described resistance R 4, resistance R 5, the source S of described field effect transistor, described NE556 chip, the second output of transformer T2 link together jointly, are connected with the input cathode of described electrical storage device as the negative pole of output end of described voltage detecting control unit.
7. intelligent charge control circuit according to claim 6, it is characterized in that: described rectification unit comprises diode D1, D2, D3, D4, described diode D1, D2, D3, D4 consists of full bridge rectifier, described rectification unit comprises first input end, the second input, cathode output end and cathode output end, the link of the positive pole of described diode D1 and described diode D2 negative pole connects the negative pole of output end of described DC power source unit as the first input end of described rectification unit, the link of the positive pole of described diode D3 and described diode D4 negative pole is as the output head anode of the second described DC power source unit of input termination of described rectification unit, the link of the negative pole of described diode D1 and described diode D3 negative pole is as the input of the described direct-flow voltage regulation unit of output termination of described rectification unit, the first input end of described voltage detecting control unit, the link of the positive pole of described diode D2 and described diode D4 positive pole is as the cathode output end ground connection of described rectification unit.
8. according to claim 4-7 arbitrary described intelligent charge control circuits, it is characterized in that: described voltage transformation unit comprises transformer T1, the high pressure side joint civil power of described transformer T1, the input of the described rectification unit of low pressure side joint of described transformer T1.
9. intelligent charge control circuit according to claim 1, it is characterized in that: described electrical storage device is lithium battery.
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|---|---|---|---|
| CN2013202951661U CN203278326U (en) | 2013-05-27 | 2013-05-27 | Intelligent charging control circuit |
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| CN2013202951661U CN203278326U (en) | 2013-05-27 | 2013-05-27 | Intelligent charging control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248099A (en) * | 2013-05-27 | 2013-08-14 | 浙江南峰电气有限公司 | Intelligent charging control circuit |
| CN108808778A (en) * | 2018-06-20 | 2018-11-13 | 国网江苏省电力有限公司泰州供电分公司 | A kind of intelligent battery charging-discharging structure |
-
2013
- 2013-05-27 CN CN2013202951661U patent/CN203278326U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248099A (en) * | 2013-05-27 | 2013-08-14 | 浙江南峰电气有限公司 | Intelligent charging control circuit |
| CN108808778A (en) * | 2018-06-20 | 2018-11-13 | 国网江苏省电力有限公司泰州供电分公司 | A kind of intelligent battery charging-discharging structure |
| CN108808778B (en) * | 2018-06-20 | 2024-03-26 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent storage battery charging and discharging structure |
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