CN102611420A - Novel electronic switching circuit of mobile power supply product internally provided with lithium battery - Google Patents
Novel electronic switching circuit of mobile power supply product internally provided with lithium battery Download PDFInfo
- Publication number
- CN102611420A CN102611420A CN2011100213663A CN201110021366A CN102611420A CN 102611420 A CN102611420 A CN 102611420A CN 2011100213663 A CN2011100213663 A CN 2011100213663A CN 201110021366 A CN201110021366 A CN 201110021366A CN 102611420 A CN102611420 A CN 102611420A
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- semiconductor
- oxide
- switching circuit
- 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.)
- Granted
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention provides a novel electronic switching circuit of a mobile power supply product internally provided with a lithium battery. The novel electronic switching circuit comprises a power circuit, a booster circuit, an electronic switch, a trigger circuit, a control circuit, a dynamic current sampling circuit and a partial pressure detection output level circuit. When a power plug of portable equipment is connected to a power socket of the novel electronic switching circuit, the circuit can be automatically started to supply power to the equipment to be powered by DC5V, such as an MP3, an MP4, a mobile phone, an iPhone and the like. If a supply current is detected to be less than a set minimum supply current value of a product by a programmable single chip microcomputer MCU in the circuit, a supply circuit of the circuit can be off by the electronic switch in the circuit, or if the power plug of the portable equipment is separated from the power socket of the novel electronic switching circuit, the circuit stops supplying power to an output port, and a micro-power consumption state is automatically switched at the same time. The novel electronic switching circuit provided by the invention can achieve the purpose of low consumption and energy conservation, and is more convenient for a user.
Description
Technical field
Electronic switching circuit of the present invention particularly contains the switching circuit of electronic power of the portable power source series products of built-in lithium electricity battery.
Background technology
At present; Development along with portable type electronic product; Portable power source seems more and more important as the attendant equipment of the portable equipment needs in daily life is used, such as go out, have a power failure as the user or other situation of movement under, can use portable power source to give all kinds of portable equipments power supply or the chargings that need power supply; Especially need be with the equipment of DC5V power supply, such as the power supply of equipment such as MP3, MP4, mobile phone, iPhone.As shown in Figure 2, usually the portable power source of built-in lithium battery adopts mechanical switch or button mode to cut off being connected of lithium battery and output, thereby reaches the very little purpose of the power consumption of this equipment when equipment does not use.But the method needs manual work to operate; Troublesome poeration; Close mechanical switch or button if after the user is using up this type of portable power source, forget; Battery in this portable power source can because of the continuous firing of inner booster circuit with depleted of energy, make and should repeatedly must charge again and could supply power for portable equipment for portable equipment provides the portable power source of electric energy.
Summary of the invention
The present invention cuts off the situation that is connected of lithium battery and output for the portable power source that will solve above-mentioned proposition adopts mechanical switch or button mode; And the technical problem that produces proposes a kind of a kind of design of novel electron switching circuit of portable power source series products of built-in lithium battery.When the power supply plug of portable equipment was connected to the power supply base of this novel electron switching circuit, this circuit then can be opened automatically portable equipment is supplied power.When the programmable single chip computer MCU in this circuit detects the minimum power supply current value that output current sets less than product; Then break off the power supply circuits of this circuit through the electronic switch in this circuit; Or with the power supply plug of portable equipment when the power supply base of this novel electron switching circuit separates, this circuit then can automatically switch to the state of little power consumption.Make the user can under the situation that the energy content of battery has not made, continue repeatedly to use this portable power source electric energy to be provided, realized the purpose of low-loss and energy-saving and convenient more the user as the portable equipment of demand power supply.
Technical scheme provided by the invention is:
A kind of novel electron switching circuit of the portable power source series products of built-in lithium battery; Comprise: power circuit, booster circuit, electronic switch, circuits for triggering, control circuit, dynamic current sample circuit and dividing potential drop detect the output level circuit; Described dynamic current sample circuit is connected with the sample port of control circuit; Described dividing potential drop detects the detection feedback end that the output level circuit is connected booster circuit, and the level signal value of control circuit is connected with the control end of booster circuit, the control end of electronic switch and the control end of circuits for triggering respectively through the control output end mouth.
Described power circuit comprises: built-in 4.2V lithium electricity battery, external direct current power supply channel B AT, accumulation of energy inductance L 2, isolating diode D15 and power supply output channel 5V form; The positive pole of wherein built-in 4.2V lithium electricity battery connects external direct current power supply channel B AT and is communicated with accumulation of energy inductance L 2 inputs; When external direct current power supply when external direct current power supply channel B AT introduces; By external direct current electric energy is provided; The external power supply voltage of this moment must be less than 5.3V; Accumulation of energy inductance L 2 outputs are connected with the positive pole of isolating diode D15; The negative pole of isolating diode D15 is connected on the power supply output channel 5V passage, and accumulation of energy inductance L 2 converts electrical energy into magnetic field energy and stores, and accumulation of energy inductance L 2 converts the magnetic field energy that stores into electric field energy after the drain electrode of metal-oxide-semiconductor M5 is broken off; And this energy with DC power supply channel B AT on obtain level and smooth direct voltage after the filtering of supply voltage stack back imported and offer load from load connecting interface X1 through isolating diode D15 and electric capacity; Form after converting the stack of electric energy into because this voltage is the magnetic figured stone of 4.2V or input supply voltage and accumulation of energy inductance L 2, be higher than input voltage, the completion of the process of both having boosted so export demand voltage+5V.
Wherein booster circuit comprises: the chip U4 that boosts, accumulation of energy inductance L 2, isolating diode D15, filter capacitor C31, C32 and metal-oxide-semiconductor M5 form; The chip U4 that boosts contains power input mouth, output port EXT and detection feedback port FB; Wherein output port EXT is connected with the control utmost point G door of metal-oxide-semiconductor M5; The switch of the signal controlling metal-oxide-semiconductor M5 of output PWM, the chip U4 detection feedback of boosting end FB connects the dividing point that described dividing potential drop detects the output level circuit, detects said dividing potential drop and detects the R27 of output level circuit and the level of R26 dividing potential drop output; The drain electrode of metal-oxide-semiconductor M5 connects a bit being connected on the road with the positive pole of described inductance L 2 outputs and isolating diode D15; The negative pole of isolating diode D15 connects capacitor C 31, and capacitor C 31 is connected in parallel with C32 over the ground, can carry out filtering to output voltage; This tie point is through realizing output voltage+5V is remained on a stable output level to the switch of the drain electrode of metal-oxide-semiconductor M5, and described metal-oxide-semiconductor M5 is the N-channel MOS pipe.
Wherein electronic switch comprises: metal-oxide-semiconductor M6, resistance R 31, R30 and load connecting interface X1 form; The control utmost point of metal-oxide-semiconductor M6 is connected with the resistance R 31 and the R30 of described control circuit output; The drain electrode of metal-oxide-semiconductor M6 is connected with the negative terminal OUT-port of load connecting interface X1; After the drain-source utmost point conducting of metal-oxide-semiconductor M6; The source electrode of the negative terminal OUT-port voltage that flows to load connecting interface X1 through metal-oxide-semiconductor M6 flows to described sampling resistor RS1 to reference to ground, is connected the formation current supply circuit on the anode of load connecting interface X1 and the described power supply output channel 5V passage.
Wherein circuits for triggering comprise: controllable silicon U7, resistance R 16 and diode D11 form; The triggering pin G of controllable silicon U7 is connected with the negative pole of diode D11 through resistance R 16; The positive pole of diode D11 is connected to the negative terminal OUT-port of said load connecting interface X1; When voltage arrives the OUT-port, trigger controllable silicon U7 conducting through resistance R 16 again through diode D11, this moment, the anode A point voltage of controllable silicon U7 was low level O.
Wherein control circuit comprises: programmable single chip computer MCU, metal-oxide-semiconductor M1, M3, diode D12, triode Q1, Q2, resistance R 17, R18, R22 and R23; Described programmable single chip computer MCU contains control output end mouth C0, CT1, CT2 and the AD analog quantity sample port CU more than 8 that can export high-low level; Control output end mouth C0 connects the resistance R 31 in the said electronic switch; When MCU gives high level of port C0, high level signal makes the M6 conducting through resistance R 31, and control output end mouth CT2 connects the positive pole of diode D12; The negative pole of diode D12 connects the B utmost point of triode Q1 through resistance R 17; The C utmost point of triode Q1 is connected with the control utmost point of metal-oxide-semiconductor M1, is connected with the anode A end of described controllable silicon U7 simultaneously, keeps the M1 conducting when MCU gives lasting high level of port CT2; The source electrode of metal-oxide-semiconductor M1 and the resistance R 18 described external direct current power supply channel B AT that is connected in parallel; Control output end mouth CT1 is connected to the B utmost point of triode Q2 through resistance R 22, and the C utmost point of triode Q2 and the source electrode of metal-oxide-semiconductor M3 are connected to described external direct current power supply channel B AT through resistance R 23, when MCU gives high level of port CT1; High level signal makes the M3 conducting through resistance R 22, and described metal-oxide-semiconductor M1 and M3 are the P channel MOS tube.
Wherein the dynamic current sample circuit comprises: sampling resistor RS1, capacitor C 24 and resistance R 28; Sampling resistor RS1 is connected on the electric power loop; Be connected an end of resistance R 28 after capacitor C 24 and the sampling resistor RS1 parallel connection, the other end of resistance R 28 is connected on the sample port CU of described MCU.
Wherein dividing potential drop detection output level circuit comprises: divider resistance R26 and R27; The end of R26 connects the negative pole reference point of external direct current power supply passage, and the end of the R26 other end and R27 constitutes the component voltage pressure point and is connected with the detection feedback end FB of the described chip U4 that boosts.
The control flow of switching circuit; The described MCU of initialization makes output port C0, CT1, CT2 be changed to high level, and CT2 makes metal-oxide-semiconductor M1 keep conducting after being changed to high level, to guarantee the continued power of MCU; CT1 is changed to and makes metal-oxide-semiconductor M3 conducting behind the high level; Make described U4 start-up control booster circuit that the voltage of 4.2V lithium battery is increased to 5V, C0 is changed to and makes metal-oxide-semiconductor M6 conducting behind the high level, can charge to portable equipment; MCU dynamically reads by said resistance R S1 and reaches the current value of port CU and calculate; Judge the limit value of read value less than this electronic circuit of CU as MCU after, MCU makes output port C0, CT1, CT2 be changed to low level, makes discharge loop be cut off charging and finishes.
The function that the present invention realized is following:
A kind of novel electron switching circuit of the portable power source series products of built-in lithium battery of the present invention, when the power supply plug of portable equipment was connected to the power supply base of this novel electron switching circuit, this circuit then can be opened automatically portable equipment is supplied power.Simultaneously the electric current that flow through on to current supply circuit of the programmable single chip computer MCU in this circuit detects; When detecting the current value that supply current sets less than product; The external portable equipment electric weight that satisfied the demands is described, then MCU breaks off the power supply circuits of this circuit through the electronic switch in this circuit.And make the device in the electronic switching circuit be in outage or little power consumption state, if with the power supply plug of portable equipment when the power supply base of this novel electron switching circuit separates, this electronic switching circuit then can automatically switch to the state of little power consumption.Little power consumption electric weight of this electronic switching circuit can be the uA level.Make the user can under the situation that the energy content of battery has not made, can repeatedly continue to use this portable power source, realized the purpose of low-loss and energy-saving and convenient more the user.
Description of drawings
Fig. 1 is a novel electron switching circuit schematic diagram of the present invention;
Fig. 2 is that the portable power source of common built-in lithium battery adopts mechanical switch or button mode schematic diagram;
Fig. 3 is a novel electron switching circuit of the present invention, the waveform sketch map of the switch adjustment output voltage of the signal controlling metal-oxide-semiconductor M5 of the chip that boosts output PWM;
Fig. 4 is a novel electron switching circuit of the present invention, the equipment effect sketch map that contains USB interface of enforcement;
Fig. 5 is the operation logic sketch map of novel electron switching circuit of the present invention;
Embodiment
Explain the present invention in more detail below in conjunction with reference diagram.
See also Fig. 1; A kind of novel electron switching circuit of the portable power source series products of built-in lithium battery; Comprise: power circuit, booster circuit, electronic switch, circuits for triggering, control circuit, dynamic current sample circuit and dividing potential drop detect the output level circuit; Described dynamic current sample circuit is connected with the sample port of control circuit; Described dividing potential drop detects the detection feedback end that the output level circuit is connected booster circuit, and the level signal value of control circuit is connected with the control end of booster circuit, the control end of electronic switch and the control end of circuits for triggering respectively through the control output end mouth.
For further facilitate to the description of this novel electron switching circuit, some components and parts in this circuit are given and specific parameter value, and this does not influence the principle of selecting for use other provided as one homogeneous element can realize this patent purpose equally.Seeing also Fig. 1, is 8 programmable single chip computer HT46R53 like the MCU in the control circuit, is responsible for input and processing to circuit; U4 in the booster circuit is the chip S-8355-M20 that boosts; Referring to Fig. 3, the output port EXT of this chip has the characteristic of output PWM, and the detection feedback end FB of this chip can accept the adjustment that a magnitude of voltage is used for PWM simultaneously; MCU can control this chip and be responsible for exporting a PWM square-wave signal through outbound port EXT; The switch of control M5, and, make output voltage remain on the output of a voltage stabilizing through R27 and R26 dividing potential drop detection output level; M6 is responsible for when not connecing load, cuts off output loop; M3 and M1 use as switch.
When not connecing load; M1 is that closed condition has been cut off external direct current power supply channel B AT; All need elements of Vcc power supply not work in the electronic circuit at this moment, so the self discharge of circuit is very little, please refer to Fig. 1; If R27 is 300K, R26 is 39K; Electric current connects R27 and R26 forms the loop from diode D15 negative pole again through the positive pole of the accumulation of energy inductance L in the power circuit 2 to isolating diode D15, and loop current is I=(4.2Vmax-0.7v)/339k=10.32uA, can find out this electronic switching circuit from power consumption about 10uA.
See also Fig. 1, after load connecting interface X1 connected load RL, the electric current of built-in 4.2V lithium electricity battery or external direct current power supply flowed into from the port of external direct current power supply passage; Through the flow through positive pole of isolating diode D15 of accumulation of energy inductance L 2, arrive the anode of load connecting interface X1 again by the negative pole of isolating diode D15, arrive the negative terminal OUT-port of load connecting interface X1 through overload RL; Flow to resistance R 16 from the OUT-port through diode D11, trigger controllable silicon U7 through resistance R 16 and make its conducting, this moment, the anode A point voltage of controllable silicon U7 was low level O; M1 is the P channel MOS; M1 conducting this moment, the electric current of built-in 4.2V lithium electricity battery or external direct current power supply passes through M1 to Vcc from the external direct current power supply passage, and Vcc offers the MCU electrifying startup; After MCU starts; Send a high level for port CT2, keep the M1 conducting, guarantee that all elements in the circuit are in running order.This moment, controllable silicon U7 ended because the anode A point voltage of controllable silicon U7 is moved to about 0.3V by Q1.MCU gives CT1 and high voltage of C0 simultaneously; Make M3 open-minded, booster circuit work, M6 conducting simultaneously; The voltage that flows to the OUT-port arrives reference signal ground through M6 to resistance R S1 and forms the loop; MCU detects the electric current that flows through the loop that is obtained by sample port CU simultaneously, and more than the current limit of electric current greater than the product setting like the MCU detection, then MCU keeps each road signal and makes the circuit operate as normal.
Otherwise MCU is through detecting the signal of CU; When current limit that load current is set less than product; MCU is through detecting the signal of CU, and the high level that stops to export each port control signal is on C0, CU and CT2, and this moment, M3 and M6 were disconnected; Circuit cuts off the power supply automatically, and the power consumption electric current of built-in lithium battery is reduced to below the 50mA.When delivery outlet load RL breaks off, the power supply plug that is about to portable equipment when the power supply base of this novel electron switching circuit separates, M1, M3, M6 breaks off fully, all circuit are all no longer worked, and reach plug and play, from the little purpose of power consumption.
Explain application of the present invention in more detail below in conjunction with embodiment preferred.
Please refer to Fig. 4, use a kind of novel electron switching circuit of the portable power source series products of this built-in lithium battery, the portable portable power source of design.USB interface has been adopted in its load connecting interface X1 output; After load RL is connected on this portable power source; The last novel electron switching circuit of PCBA is started working, and after load RL separated from this portable power source, the last novel electron switching circuit of PCBA quit work; Its workflow sees also Fig. 5; The Micro USB interface realizes connecting the importing of external direct current power supply, in this portable portable power source, has adopted in the novel electron switching circuit of the present invention, has also increased to pass through the charge function of the introducing of Micro USB socket to the lithium battery of portable power source.。
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes, variation and omission.For example select for use the components and parts of other similar different parameters also to can be the purpose that realizes that the present invention set forth in the circuit, all within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a kind of novel electron switching circuit of the portable power source series products of built-in lithium battery; Comprise: power circuit, booster circuit, electronic switch, circuits for triggering, control circuit, dynamic current sample circuit and dividing potential drop detect the output level circuit; Described dynamic current sample circuit is connected with the sample port of control circuit; Described dividing potential drop detects the output level circuit and is connected to the boost detection feedback end of chip of booster circuit, and the level signal of control circuit is connected with the control end of booster circuit, the control end of electronic switch and the control end of circuits for triggering respectively through the control output end mouth.
2. novel electron switching circuit according to claim 1; It is characterized in that described power circuit comprises: built-in 4.2V lithium electricity battery, external direct current power supply channel B AT, accumulation of energy inductance L 2, isolating diode D15 and power supply output channel 5V form; The positive pole of wherein built-in 4.2V lithium electricity battery connects external direct current power supply channel B AT and is communicated with accumulation of energy inductance L 2 inputs; Accumulation of energy inductance L 2 outputs are connected with the positive pole of isolating diode D15, and the negative pole of isolating diode D15 is connected on the power supply output channel 5V passage.
3. novel electron switching circuit according to claim 1; It is characterized in that described booster circuit comprises: the chip U4 that boosts, accumulation of energy inductance L 2, isolating diode D15, filter capacitor C31, C32 and metal-oxide-semiconductor M5 form; The chip U4 that boosts contains power input mouth, output port EXT and detection feedback end FB; Wherein output port EXT is connected with the control utmost point of metal-oxide-semiconductor M5, and detection feedback end FB connects the dividing point that described dividing potential drop detects the output level circuit, and the drain electrode of metal-oxide-semiconductor M5 being connected with anodal any that connects on the road of isolating diode D15 with described inductance L 2 outputs; The negative pole of isolating diode D15 connects capacitor C 31; Capacitor C 31 and C32 to signal reference be connected in parallel, described output port EXT has the pattern of exporting PWM, described metal-oxide-semiconductor M5 is the N-channel MOS pipe.
4. novel electron switching circuit according to claim 1; It is characterized in that described electronic switch comprises: metal-oxide-semiconductor M6, resistance R 31, R30 and load connecting interface X1 form; The control utmost point of metal-oxide-semiconductor M6 is connected with the resistance R 31 and the R30 of described control circuit output; The drain electrode of metal-oxide-semiconductor M6 is connected with the negative terminal OUT-of load connecting interface X1, is connected on the anode of load connecting interface X1 and the described power supply output channel 5V passage, and described metal-oxide-semiconductor M6 is the N-channel MOS pipe.
5. novel electron switching circuit according to claim 1; It is characterized in that described circuits for triggering comprise: controllable silicon U7, resistance R 16 and diode D11 form; The triggering pin G of controllable silicon U7 is connected with the negative pole of diode D11 through resistance R 16, and the positive pole of diode D11 is connected to the negative terminal OUT-port of said load connecting interface X1.
6. novel electron switching circuit according to claim 1; It is characterized in that described control circuit comprises: programmable single chip computer MCU, metal-oxide-semiconductor M1, M3, diode D12, triode Q1, Q2, resistance R 17; R18, R22 and R23; Described programmable single chip computer MCU contains control output end mouth C0, CT1, CT2 and the AD analog quantity sample port CU more than 8 that can export high-low level; Control output end mouth C0 connects the resistance R 31 in the said electronic switch, and control output end mouth CT2 connects the positive pole of diode D12, and the negative pole of diode D12 connects the B utmost point of triode Q1 through resistance R 17; The C utmost point of triode Q1 is connected with the control utmost point of metal-oxide-semiconductor M1; Be connected simultaneously with the anode A end of described controllable silicon U7, the source electrode of metal-oxide-semiconductor M1 and the resistance R 18 described external direct current power supply channel B AT that is connected in parallel, control output end mouth CT1 is connected to the B utmost point of triode Q2 through resistance R 22; The C utmost point of triode Q2 and the source electrode of metal-oxide-semiconductor M3 are connected to described external direct current power supply channel B AT through resistance R 23, and described metal-oxide-semiconductor M1 and M3 are the P channel MOS tube.
7. novel electron switching circuit according to claim 1; It is characterized in that described dynamic current sample circuit comprises: sampling resistor RS1, capacitor C 24 and resistance R 28; Sampling resistor RS1 is connected on the electric power loop; Be connected an end of resistance R 28 after capacitor C 24 and the sampling resistor RS1 parallel connection, the other end of resistance R 28 is connected on the sample port CU of described programmable single chip computer MCU.
8. novel electron switching circuit according to claim 1; It is characterized in that described dividing potential drop detects the output level circuit and comprises: divider resistance R26 and R27; The end of R26 connects the negative pole reference point of external direct current power supply passage, and the end of the R26 other end and R27 constitutes dividing point and is connected with the detection feedback end FB of the described chip U4 that boosts.
9. the control flow of switching circuit; It is characterized in that: comprise claim 6 and 7 described novel electron switching circuits; The described MCU of initialization makes output port C0, CT1, CT2 be changed to high level; MCU dynamically reads by said resistance R S1 and reaches the current value of port CU and calculate, judge the limit value of read value of CU less than this electronic circuit as MCU after, MCU makes output port C0, CT1, CT2 be changed to low level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021366.3A CN102611420B (en) | 2011-01-19 | 2011-01-19 | A kind of Novel electronic switching circuit of portable power source series products and control flow thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021366.3A CN102611420B (en) | 2011-01-19 | 2011-01-19 | A kind of Novel electronic switching circuit of portable power source series products and control flow thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102611420A true CN102611420A (en) | 2012-07-25 |
| CN102611420B CN102611420B (en) | 2015-11-25 |
Family
ID=46528613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110021366.3A Active CN102611420B (en) | 2011-01-19 | 2011-01-19 | A kind of Novel electronic switching circuit of portable power source series products and control flow thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102611420B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929163A (en) * | 2012-10-26 | 2013-02-13 | 中国兵器工业集团第二一四研究所苏州研发中心 | Power supply electronic switch circuit capable of being automatically controlled and completely powering off |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134691Y (en) * | 2007-12-24 | 2008-10-15 | 深圳市迪比科电子科技有限公司 | Movable power source |
| CN201150007Y (en) * | 2008-01-26 | 2008-11-12 | 何志雄 | Mobile power supply |
| CN101399452A (en) * | 2008-04-30 | 2009-04-01 | 刘云海 | Mixed battery pack comprising lithium power cell and super capacitor |
| CN101447666A (en) * | 2007-11-27 | 2009-06-03 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and power overvoltage safety protection control method |
| CN201341028Y (en) * | 2008-10-14 | 2009-11-04 | 飞毛腿(福建)电子有限公司 | Mobile power supply |
| CN201985831U (en) * | 2011-01-19 | 2011-09-21 | 深圳嘉信高能源技术股份有限公司 | Novel electronic switching circuit with built-in lithium battery of portable power source product |
-
2011
- 2011-01-19 CN CN201110021366.3A patent/CN102611420B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447666A (en) * | 2007-11-27 | 2009-06-03 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and power overvoltage safety protection control method |
| CN201134691Y (en) * | 2007-12-24 | 2008-10-15 | 深圳市迪比科电子科技有限公司 | Movable power source |
| CN201150007Y (en) * | 2008-01-26 | 2008-11-12 | 何志雄 | Mobile power supply |
| CN101399452A (en) * | 2008-04-30 | 2009-04-01 | 刘云海 | Mixed battery pack comprising lithium power cell and super capacitor |
| CN201341028Y (en) * | 2008-10-14 | 2009-11-04 | 飞毛腿(福建)电子有限公司 | Mobile power supply |
| CN201985831U (en) * | 2011-01-19 | 2011-09-21 | 深圳嘉信高能源技术股份有限公司 | Novel electronic switching circuit with built-in lithium battery of portable power source product |
Non-Patent Citations (1)
| Title |
|---|
| 郑翔鹏，张福海，陈翠莹，王权，王添翼: "多功能随身电源设计", 《电子设计应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929163A (en) * | 2012-10-26 | 2013-02-13 | 中国兵器工业集团第二一四研究所苏州研发中心 | Power supply electronic switch circuit capable of being automatically controlled and completely powering off |
| CN102929163B (en) * | 2012-10-26 | 2015-07-15 | 中国兵器工业集团第二一四研究所苏州研发中心 | Power supply electronic switch circuit capable of being automatically controlled and completely powering off |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102611420B (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106654742B (en) | USB concentrator supporting quick charging | |
| CN104158255B (en) | Management of charging and discharging system and its portable power source of application | |
| CN103454572B (en) | Battery analogue circuit | |
| CN201985831U (en) | Novel electronic switching circuit with built-in lithium battery of portable power source product | |
| CN104158241B (en) | A kind of charge control method, device and a kind of POS terminal | |
| CN102882246B (en) | Use the system and method that master device is charged by detachable apparatus | |
| CN204216600U (en) | Synchronization lifting piezoelectric battery charging device | |
| CN206180632U (en) | Battery charging device | |
| CN102629825A (en) | Circuit structure of realizing synchronous buck-type charging and boost-type power supply by using single inductor | |
| CN202856409U (en) | Mobile phone boost charging wire and mobile phone charging system | |
| CN106992668B (en) | A kind of alternating current-direct current Mixed design DC power supply | |
| CN204012830U (en) | Portable power source | |
| CN203481855U (en) | Portable power supply device | |
| CN208904889U (en) | Power supply timing control circuit | |
| CN102593908B (en) | Backup power supply system | |
| CN206698005U (en) | Dual input double startup exports voltage regulation type uninterrupted switch power supply | |
| CN105676934B (en) | A kind of power circuit | |
| CN102611420B (en) | A kind of Novel electronic switching circuit of portable power source series products and control flow thereof | |
| CN103368246B (en) | A kind of back-up source control system inserting identification automatically with mobile phone | |
| CN205092770U (en) | Power management circuit that steps up | |
| CN209526556U (en) | Power supply switch circuit | |
| CN105763036B (en) | The fast start circuit of power chip and the measuring instrument made of the circuit | |
| CN209217948U (en) | A kind of DC-DC circuit and device with over-voltage protecting function | |
| CN208835810U (en) | A kind of mobile power source fast charge circuit | |
| CN208806636U (en) | A kind of cellular phone power supplies circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170623 Address after: 536001 workshop A02, CLP Industrial Park, Beihai, Beihai Industrial Park, the Guangxi Zhuang Autonomous Region Patentee after: Beihai Jiaxin Technology Co. Ltd Address before: 518108 building, 1-3 building, third industrial zone, Shiyan Industrial Park, Shiyan Avenue, Shiyan City, Guangdong, Shenzhen, Baoan District, Nangang 5, China Patentee before: Shenzhen Innotech Energy Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |