CN104967170B - Mobile power - Google Patents

Mobile power Download PDF

Info

Publication number
CN104967170B
CN104967170B CN201510392067.9A CN201510392067A CN104967170B CN 104967170 B CN104967170 B CN 104967170B CN 201510392067 A CN201510392067 A CN 201510392067A CN 104967170 B CN104967170 B CN 104967170B
Authority
CN
China
Prior art keywords
mobile power
charge
circuit
external equipment
battery
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.)
Active
Application number
CN201510392067.9A
Other languages
Chinese (zh)
Other versions
CN104967170A (en
Inventor
雷灿伙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Romoss Technology Co Ltd
Original Assignee
Shenzhen Romoss Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Romoss Technology Co Ltd filed Critical Shenzhen Romoss Technology Co Ltd
Priority to CN201510392067.9A priority Critical patent/CN104967170B/en
Priority to PCT/CN2015/088645 priority patent/WO2017004875A1/en
Publication of CN104967170A publication Critical patent/CN104967170A/en
Application granted granted Critical
Publication of CN104967170B publication Critical patent/CN104967170B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention relates to a kind of mobile powers, including battery, further include:First interface, for being electrically connected with external equipment;First observation circuit is electrically connected with the first interface, for monitoring the charge and discharge electrical properties of the external equipment and exporting;Second observation circuit is electrically connected with the battery, for monitoring the current electric quantity of the battery and output;Control circuit is electrically connected respectively with first observation circuit, second observation circuit, for being controlled whether to carry out power transmission between the mobile power and the external equipment according to the current electric quantity of the charge and discharge electrical properties and the battery.In above-mentioned mobile power, first interface both can also be used as output interface as input interface, improve the utilization rate of equipment.

Description

Mobile power
Technical field
The present invention relates to power technique fields, more particularly to a kind of mobile power.
Background technology
Energy supply equipment of the mobile power as electronic equipment, with its it is easy to carry the advantages of be widely used. Its interface function of traditional mobile power is more single, is unfavorable for improving the utilization rate of equipment.
Invention content
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of utilization rate of equipment and installations higher mobile power.
A kind of mobile power including battery, further includes:First interface, for being electrically connected with external equipment;First monitoring Circuit is electrically connected with the first interface, for monitoring the charge and discharge electrical properties of the external equipment and exporting;Second monitoring electricity Road is electrically connected with the battery, for monitoring the current electric quantity of the battery and output;Control circuit, respectively with described One observation circuit, second observation circuit are electrically connected, for according to the current of the charge and discharge electrical properties and the battery Electricity controls whether to carry out power transmission between the mobile power and the external equipment.
The charge and discharge electrical properties include charging attribute and electric discharge attribute in one of the embodiments,;The control electricity Road the charge and discharge electrical properties of the external equipment be charge the current electric quantity of attribute and the battery be more than minimum discharge electricity amount when The mobile power is controlled to enter discharge mode, is charged by the mobile power to the external equipment;The control electricity Road the charge and discharge electrical properties of the external equipment be discharge the current electric quantity of attribute and the battery be less than maximum charge electricity when The mobile power is controlled to enter charge mode, is charged by the external equipment to the mobile power.
In one of the embodiments, the control circuit be additionally operable to control the mobile power enter charge mode or The mobile power is switched into corresponding charge and discharge electrical properties during person's discharge mode.
Voltage conversion circuit is further included in one of the embodiments, it is electrical with the control circuit, the battery respectively Connection;First observation circuit is additionally operable to monitor the supply voltage of the external equipment;The control circuit is additionally operable in institute When stating mobile power as discharge mode, electric discharge instruction is generated according to the supply voltage;The voltage conversion circuit is used for basis The electric discharge instruction is converted to the output voltage of the battery after the supply voltage of the external equipment to the external equipment Charging.
The control circuit is additionally operable to when the mobile power is charge mode in one of the embodiments, according to The supply voltage generates charging instruction;The voltage conversion circuit is additionally operable to the external equipment according to the charging instruction The supply voltage of output charges after being converted to the charging voltage of the battery to the mobile power.
The control circuit is additionally operable to monitor the whether normal work of first observation circuit in one of the embodiments, Make, and the voltage conversion circuit is controlled to be stopped when first observation circuit does not work normally.
It further includes in one of the embodiments,:Output interface, for charge and discharge electrical properties be charge attribute mobile electricity Sub- equipment is electrically connected;Third observation circuit is electrically connected with the output interface, and the output interface is accessed for monitoring The supply voltage of mobile electronic device;The control circuit is additionally operable to the supply voltage arrived according to the third monitoring circuit monitors Generation electric discharge is instructed and is exported to the voltage conversion circuit.
The output interface is 5V voltage output interfaces in one of the embodiments,.
The first interface is USB c-type interfaces in one of the embodiments,.
Further include protection circuit in one of the embodiments, with the battery be electrically connected, for the battery into Row overcurrent, short circuit, overcharges and Cross prevention overvoltage.
In above-mentioned mobile power first interface can be with charge and discharge electrical properties charge attribute or discharge attribute outside set It is standby to be attached.First observation circuit is monitored the charge and discharge electrical properties of the external equipment of access, so that control circuit It can be determined whether between mobile power and access device according to the charge and discharge electrical properties and the current electric quantity of battery monitored Power transmission is carried out, i.e., whether is discharged from mobile power to external equipment or the external equipment by accessing is to mobile power It charges.In above-mentioned mobile power, first interface both can also be used as output interface as input interface, improve and set Standby utilization rate.
Description of the drawings
Fig. 1 is the functional block diagram of the mobile power in an embodiment;
Fig. 2 is the functional block diagram of the mobile power in another embodiment;
Fig. 3 is the circuit diagram of the voltage conversion circuit of the mobile power in a specific embodiment;
Fig. 4 is the circuit diagram of the control circuit of the mobile power in embodiment illustrated in fig. 3;
Fig. 5 is the circuit diagram of the protection circuit of the mobile power in embodiment illustrated in fig. 3.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 is the functional block diagram of the mobile power in an embodiment, is supervised including battery 110, first interface 120, first Slowdown monitoring circuit 130, the second observation circuit 140, control circuit 150 and voltage conversion circuit 160.
Battery 110 carries out energy storage as energy-storage units.Battery 110 can be that single lithium battery may be by multiple The lithium battery group that lithium battery is formed.
First interface 120 is used to connect with external equipment.External equipment can be that electronic equipment to be charged may be Powering device.The charge and discharge electrical properties of electronic equipment (such as mobile phone, tablet, digital camera) to be charged are charging attribute, are energized The charge and discharge electrical properties of equipment (such as power supply adaptor) are electric discharge attribute.Therefore, first interface 120 can both be used as input interface Output interface is can also be used as, so as to meet the needs of user's different moments, improves the utilization rate of equipment.In this implementation In example, first interface 120 is USB c-type interfaces.
First observation circuit 130 is connect with first interface 120, is set for monitoring the outside being linked on first interface 120 Standby charge and discharge electrical properties simultaneously will export its attribute.For example, when the equipment of access is electronic equipment to be charged, the first monitoring electricity Its charging attribute is read after being shaken hands with it and is exported to control circuit 150 in road 130.In the present embodiment, the first monitoring Circuit 130 is additionally operable to be monitored the supply voltage of the external equipment of access.The supply voltage of external equipment can be outside The supply voltage that equipment is provided to mobile power, or external equipment needs the power supply electricity that mobile power provides it Pressure.
Second observation circuit 140 is connect with battery 110, for monitoring the current electric quantity of battery 110 in real time and inciting somebody to action current electricity Amount output.The electricity of battery 110 is monitored by the second observation circuit 140, so as to which battery 110 is effectively avoided to occur It overcharges, cross the problem of putting.
Control circuit 150 is connect respectively with the first observation circuit 130, the second observation circuit 140.Control circuit 150 is used for Receive the current electricity of the charge and discharge electrical properties of the first observation circuit 130 output and the battery 110 of the second observation circuit 140 output Amount.Control circuit 150 can be controlled whether according to the charge and discharge electrical properties and the current electric quantity of battery 110 received in mobile power Power transmission is carried out between external equipment.Specifically, when the charge and discharge electrical properties of external equipment are charging attribute and battery 110 When current electric quantity is more than minimum discharge electricity amount, control circuit 150 controls mobile power to enter discharge mode, external by mobile power Portion's equipment charges.When the charge and discharge electrical properties of external equipment are that the charge current electric quantity of attribute and battery 110 is less than or equal to During minimum discharge electricity amount, control circuit 150 can refuse the power transmission request of external equipment, that is, mobile power and outside be controlled to set Without power transmission between standby.When the charge and discharge electrical properties of external equipment are that the discharge current electric quantity of attribute and battery 110 is less than During maximum charge electricity, control circuit 150 controls mobile power to enter charge mode, is filled from external equipment to mobile power Electricity.When the charge and discharge electrical properties of external equipment are that the discharge current electric quantity of attribute and battery 110 is greater than or equal to maximum charge electricity When, control circuit 150 can refuse the power transmission request of external equipment, that is, control between mobile power and external equipment without Power transmission.
Control circuit 150 can switch to the charge and discharge electrical properties of its own when mobile power is controlled to enter discharge mode Discharge attribute.The supply voltage generation electric discharge for the external equipment that control circuit 150 can be monitored according to the first observation circuit 130 refers to It enables and exports to voltage conversion circuit 160.Voltage conversion circuit 160 turns the voltage of battery 110 according to electric discharge instruction It changes, and is exported after being converted to the supply voltage of external equipment demand by first interface 120 to the external equipment of access.In this reality Apply in example, voltage conversion circuit 160 can according to the demand of external equipment by the voltage of battery 110 be converted into 5V, 12V and One kind in tri- kinds of voltages of 20V realizes the multivoltage output of first interface 120, so as to which the outside for meeting different power voltage is set Standby demand further improves the utilization rate of equipment.
Control circuit 150 can switch to the charge and discharge electrical properties of its own when mobile power is controlled to enter charge mode Charge attribute, and the supply voltage generation charging for the external equipment that control circuit 150 can be monitored according to the first observation circuit 130 refers to It enables and exports to voltage conversion circuit 160.The power supply that voltage conversion circuit 160 then exports external equipment according to the charging instruction Voltage is converted, and is charged after being converted to 110 acceptable charging voltage of battery to battery 110.In the present embodiment In, the multiple voltage that external equipment exports can be converted into after the charging voltage of battery 110 to battery by voltage conversion circuit 160 110 chargings realize the multivoltage input of first interface 120, so as to give movement using the energy device of different power voltage Power source charges improve the convenience that mobile power uses process.
Control circuit 150 is additionally operable to whether the first observation circuit 130 of monitoring works normally, and in the first observation circuit 130 Voltage conversion circuit 160 is controlled to be stopped during cisco unity malfunction, that is, turn off outputting and inputting for mobile power, so that it is guaranteed that Mobile power it is safe to use.
First interface 120 can be the outside of charging attribute or the attribute that discharges with charge and discharge electrical properties in above-mentioned mobile power Equipment is attached.First observation circuit 130 is monitored the charge and discharge electrical properties of the external equipment of access, so that control Circuit 150 can determine whether to set in mobile power and access according to the charge and discharge electrical properties and the current electric quantity of battery monitored Power transmission is carried out between standby, i.e., whether is discharged from mobile power to external equipment or the external equipment by accessing is to moving Dynamic power supply charges.In above-mentioned mobile power, first interface 120 both can also be used as output as input interface and connect Mouth improves the utilization rate of equipment.First interface 120 in mobile power can support that multivoltage inputs and multivoltage is defeated Go out, so that it can be different types of power electronic equipment or be carried out from different types of powering device to its own Charging, so as to improve the universality of equipment, can meet the use demand of user to greatest extent, during improving use Convenience.
Fig. 2 is the mobile power in another embodiment, including battery 202, first interface 204, the first observation circuit 206th, the second observation circuit 208, control circuit 210 and voltage conversion circuit 212 further include output interface 214, third monitoring Circuit 216, protection circuit 218 and display circuit 220.Wherein, battery 202, first interface 204, the first observation circuit 206, The part of by the agency of in the aforementioned embodiment in second observation circuit 208, control circuit 210 and voltage conversion circuit 212 It does not repeat herein.
The mobile electronic device that output interface 214 is used for charge and discharge electrical properties are charging attribute is connect, i.e. output interface 214 Only it is used as output interface.In the present embodiment, output interface 214 is USB A types interfaces or USB Type B interfaces, and output is The electric current of 5V/1A or 5V/2A.Output interface 214 is multiple, is filled so as to be carried out at the same time for multiple mobile electronic devices Electricity.
Third observation circuit 216 is connect with output interface 214, and the mobile electron for monitoring the access of output interface 214 is set Standby supply voltage is simultaneously exported to control circuit 210.Control circuit 210 can be according to the supply voltage generation electric discharge instruction of its input It exports to voltage conversion circuit 212.Voltage conversion circuit 212 voltage of battery 202 is converted after by output interface 214 It charges to the mobile electronic device of access.
Protection circuit 218 is connect with battery 202, for carrying out overcurrent to battery 202, overvoltage, short circuit, overcharging and cross and put Protection.Display circuit 220 is connect with control circuit 210, is shown for the operating mode to mobile power and information about power Show, consequently facilitating user grasps the concrete condition of mobile power in time.In the present embodiment, control circuit 210 can also according to work as Preceding charging and discharging state is carried out after forecast assessment is carried out to remaining charging time or socking out time by display circuit 220 It has been shown that, so that user is referred to.Display circuit 220 can carry out the aobvious of corresponding information by the bright state of multiple LED light Show, can also intuitive display be compared by LED display or LCD display.
Fig. 3 is the circuit diagram of the voltage conversion circuit of the mobile power in a specific embodiment;Fig. 4 is shown in Fig. 3 The circuit diagram of the control circuit of mobile power in embodiment;Fig. 5 is the protection of the mobile power in embodiment illustrated in fig. 3 The circuit diagram of circuit.In the present embodiment, 1 interfaces of USB are USB c-type interfaces, and USB2 is then 5V voltage output interfaces (USB A types interfaces or USB Type Bs interface).U1 and U5 is voltage conversion chip, is used to implement the conversion of voltage.U2 is control Coremaking piece controls for the whole work process to mobile power.In this example it is shown that circuit is light-emitting LED by 4 Composition represents electricity between 25%~0% when one light-emitting LED bright;Represent electricity 50% when two light-emitting LED bright Between~25%;Represent electricity between 75%~50% when three light-emitting LED bright;When four light-emitting LED all lights then represent Electricity is between 100%~75%.U4 is protection chip.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (8)

1. a kind of mobile power, including battery, which is characterized in that further include:
First interface, for being electrically connected with external equipment;
First observation circuit is electrically connected with the first interface, for monitoring charge and discharge electrical properties of the external equipment and defeated Go out;Specifically, first observation circuit is used to read institute with accessing after the external equipment of the first interface is shaken hands It states the charge and discharge electrical properties of external equipment and exports its attribute;
Second observation circuit is electrically connected with the battery, for monitoring the current electric quantity of the battery and output;
Control circuit is electrically connected respectively with first observation circuit, second observation circuit, for according to the charge and discharge The current electric quantity of electrical properties and the battery controls whether to carry out electric power between the mobile power and the external equipment Transmission;The charge and discharge electrical properties include charging attribute and electric discharge attribute;
The control circuit is that the charge current electric quantity of attribute and the battery is more than in the charge and discharge electrical properties of the external equipment The mobile power is controlled to enter discharge mode during minimum discharge electricity amount, the external equipment is filled by the mobile power Electricity;
The control circuit is that the discharge current electric quantity of attribute and the battery is less than in the charge and discharge electrical properties of the external equipment The mobile power is controlled to enter charge mode during maximum charge electricity, the mobile power is filled by the external equipment Electricity;The control circuit is additionally operable to the mobile electricity when the mobile power is controlled to enter charge mode or discharge mode Source switches to corresponding charge and discharge electrical properties.
2. mobile power according to claim 1, which is characterized in that further include voltage conversion circuit, respectively with the control Circuit processed, the battery are electrically connected;
First observation circuit is additionally operable to monitor the supply voltage of the external equipment;
The control circuit is additionally operable to when the mobile power is discharge mode, is referred to according to supply voltage generation electric discharge It enables;The voltage conversion circuit is used to that the output voltage of the battery to be converted to the external equipment according to the electric discharge instruction Supply voltage after to the external equipment charge.
3. mobile power according to claim 2, which is characterized in that the control circuit is additionally operable in the mobile power During for charge mode, charging instruction is generated according to the supply voltage;
The voltage conversion circuit is additionally operable to be converted to the supply voltage that the external equipment exports according to the charging instruction It charges after the charging voltage of the battery to the mobile power.
4. mobile power according to claim 3, which is characterized in that the control circuit is additionally operable to monitor first prison Whether slowdown monitoring circuit works normally, and the voltage conversion circuit is controlled to stop work when first observation circuit does not work normally Make.
5. mobile power according to claim 3, which is characterized in that further include:
Output interface, for charge and discharge electrical properties be charge attribute mobile electronic device be electrically connected;
Third observation circuit is electrically connected with the output interface, and the mobile electron for monitoring the access output interface is set Standby supply voltage;
The control circuit be additionally operable to according to the third monitoring circuit monitors to supply voltage generation electric discharge instruct and export To the voltage conversion circuit.
6. mobile power according to claim 5, which is characterized in that the output interface is 5V voltage output interfaces.
7. mobile power according to claim 1, which is characterized in that the first interface is USB c-type interfaces.
8. mobile power according to claim 1, which is characterized in that further include protection circuit, electrically connect with the battery It connects, for carrying out overcurrent to the battery, overvoltage, short circuit, overcharging and Cross prevention.
CN201510392067.9A 2015-07-03 2015-07-03 Mobile power Active CN104967170B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510392067.9A CN104967170B (en) 2015-07-03 2015-07-03 Mobile power
PCT/CN2015/088645 WO2017004875A1 (en) 2015-07-03 2015-08-31 Mobile power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510392067.9A CN104967170B (en) 2015-07-03 2015-07-03 Mobile power

Publications (2)

Publication Number Publication Date
CN104967170A CN104967170A (en) 2015-10-07
CN104967170B true CN104967170B (en) 2018-06-19

Family

ID=54221163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510392067.9A Active CN104967170B (en) 2015-07-03 2015-07-03 Mobile power

Country Status (2)

Country Link
CN (1) CN104967170B (en)
WO (1) WO2017004875A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109067317A (en) * 2018-09-28 2018-12-21 北京汉能光伏投资有限公司 Mobile power source and its control method
CN110311446A (en) * 2019-07-23 2019-10-08 南京九度卫星科技研究院有限公司 A kind of mobile power source sending position functions with Beidou positioning and short message

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202817803U (en) * 2012-07-12 2013-03-20 曾汉清 Charging and discharging mobile power supply with single USB interface
CN103023081A (en) * 2011-09-27 2013-04-03 顺昌泰科技(深圳)有限公司 Mobile power supply with electric quantity detection function
CN103607010A (en) * 2013-11-25 2014-02-26 深圳市民展科技开发有限公司 Charging and discharging control device and method of mobile power source
CN203607885U (en) * 2013-10-31 2014-05-21 深圳欧尼科技有限公司 Portable power source
CN204131178U (en) * 2014-10-13 2015-01-28 深圳市永强科技有限公司 Portable power source
CN104582203A (en) * 2015-02-03 2015-04-29 深圳市中孚能电气设备有限公司 Wireless LED lamp control circuit
CN204809926U (en) * 2015-07-03 2015-11-25 深圳罗马仕科技有限公司 Mobile power source

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202172294U (en) * 2011-08-10 2012-03-21 深圳市力可普尔电子有限公司 Intelligent recognition charging device and connector
JP2015106962A (en) * 2013-11-29 2015-06-08 株式会社デンソー Charge discharge controller and charge discharge system
CN103825329B (en) * 2014-03-03 2017-08-25 矽力杰半导体技术(杭州)有限公司 A kind of bi-directional power change-over circuit
CN203933124U (en) * 2014-07-03 2014-11-05 深圳市保绿源科技有限公司 A kind of single interface portable power source, bluetooth keyboard and protective sleeve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103023081A (en) * 2011-09-27 2013-04-03 顺昌泰科技(深圳)有限公司 Mobile power supply with electric quantity detection function
CN202817803U (en) * 2012-07-12 2013-03-20 曾汉清 Charging and discharging mobile power supply with single USB interface
CN203607885U (en) * 2013-10-31 2014-05-21 深圳欧尼科技有限公司 Portable power source
CN103607010A (en) * 2013-11-25 2014-02-26 深圳市民展科技开发有限公司 Charging and discharging control device and method of mobile power source
CN204131178U (en) * 2014-10-13 2015-01-28 深圳市永强科技有限公司 Portable power source
CN104582203A (en) * 2015-02-03 2015-04-29 深圳市中孚能电气设备有限公司 Wireless LED lamp control circuit
CN204809926U (en) * 2015-07-03 2015-11-25 深圳罗马仕科技有限公司 Mobile power source

Also Published As

Publication number Publication date
CN104967170A (en) 2015-10-07
WO2017004875A1 (en) 2017-01-12

Similar Documents

Publication Publication Date Title
CN105610215B (en) For electric installation, method for controlling power supply and using the movable fixture for electric installation
CN106410897B (en) Electronic cigarette and its power supply architecture
CN104348192A (en) USB charger of electronic cigarette
CN104300630A (en) Charging control device and method
CN201789318U (en) Mobile phone power supply device with leather case battery for power supply
CN204928248U (en) Power management means
CN109963395A (en) A kind of control device
CN104967170B (en) Mobile power
CN102624037A (en) Mobile terminal capable of charging external device
CN209516686U (en) A kind of microprocessor work control circuit
CN102270877A (en) Power supply system
CN204719450U (en) A kind of equipment of Based Intelligent Control multiple stage charging pile
CN207691493U (en) A kind of intelligent charger
CN202550648U (en) Power adapter with function of electric energy storage
CN202997712U (en) Mobile terminal equipment group for wireless charging
CN203166587U (en) Solar energy storage power supply system
CN201611790U (en) Battery charger of composite power supply
CN204809926U (en) Mobile power source
CN104124723A (en) Circuit for preventing cell from overcharging/overdischarging
CN204349534U (en) Environment protection energy-saving charger
CN113381462B (en) Charging system and charging method
CN207504636U (en) A kind of projecting apparatus with power-off protection function
CN214707197U (en) Treasured that charges of removable electric core
CN105329108A (en) New energy automobile adopting V2H (Vehicle to Home) technology based on solar power generation
CN104716698B (en) For the charger and its charging method of rechargeable battery

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant