CN104539050A - Energy-information router and application system for managing electric energy network and information network - Google Patents
Energy-information router and application system for managing electric energy network and information network Download PDFInfo
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- CN104539050A CN104539050A CN201410832348.7A CN201410832348A CN104539050A CN 104539050 A CN104539050 A CN 104539050A CN 201410832348 A CN201410832348 A CN 201410832348A CN 104539050 A CN104539050 A CN 104539050A
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- 238000004891 communication Methods 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an energy-information router which comprises an overall coordinating controller, a touch displaying screen, a communication router, an AC/DC module, a DC/DC module, a DC/AC module, a direct-current load breaker and an alternating-current load breaker. The overall coordinating controller is connected with the touch displaying screen through a serial RS485. The overall coordinating controller is connected with the communication router, the AC/DC module, the DC/DC module, the DC/AC module, the direct-current load breaker and the alternating-current load breaker respectively through a CAN bus. The energy-information router can achieve the functions of alternating current power supply, new-energy power supply and information network managing at the same time, an application system for managing an electric energy network and an information network is further provided, the application system can achieve real-time complementation of an alternating current power supply and a new-energy power supply, and connecting and full using of the new-energy power supply can be well achieved.
Description
Technical Field
The present invention relates to the field of control of energy source flows and information flows, and in particular to an energy-aware router and an application system for managing an electrical energy network and an information network.
Background
With the popularization of household new energy power sources, such as household photovoltaic and household small fans, new requirements are put forward on the existing household wiring and electric energy management. The existing solution is to provide a special power supply socket for household appliances by simply adding a set of conversion system independent of the power grid to realize the use of new household energy. However, by adopting the solution, the power is cut off when the new energy power is insufficient, the continuity and reliability of power supply cannot be ensured, and planning cannot be performed during decoration in the previous period, so that rewiring is troublesome, and potential safety hazards are easily caused.
The popularization of household direct current loads, such as a direct current charging power supply and a direct current LED, particularly, the direct current LED has the advantages of low cost, long service life, high brightness and the like and is gradually replacing the traditional light source, so that direct supply of the direct current power supply is urgently needed instead of simultaneously working by utilizing a plurality of rectifier modules, hardware resources are wasted, and conversion loss is increased.
The concern of users on home power and information network security is increasing. Users want to actively participate in the management and monitoring of home power and information networks through a simple interactive manner.
Disclosure of Invention
The technical problem is as follows:the technical problem to be solved by the invention is as follows: the application system can realize real-time complementation of the alternating current power supply and the new energy power supply and is beneficial to access and full utilization of the new energy power supply.
The technical scheme is as follows:in order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a CAN believe router, this CAN believe router includes total coordinated controller, touch display screen, communication router, AC/DC module, DC/AC module, direct current load circuit breaker and interchange load circuit breaker, wherein, total coordinated controller is connected with touch display screen through serial RS485, and total coordinated controller is connected with communication router, AC/DC module, DC/AC module, direct current load circuit breaker and interchange load circuit breaker respectively through the CAN bus.
Further, the general coordination controller adopts a single chip microcomputer with the model of STM32 series.
An application system for managing an electric energy network and an information network, the application system comprising a remote user terminal, a communication router, an internet server, a new energy power supply, an alternating current power supply, a communication terminal, a direct current load and an alternating current load; the communication router comprises a general coordination controller, a touch display screen, a communication router, an AC/DC module, a DC/AC module, a direct current load circuit breaker and an alternating current load circuit breaker; the general coordination controller is connected with the touch display screen through a serial RS485 bus, and is respectively connected with the communication router, the AC/DC module, the DC/AC module, the direct current load circuit breaker and the alternating current load circuit breaker through a CAN bus; the remote user terminal is connected with an Internet server, the Internet server is connected with a communication router through a network, the communication router is connected with a communication terminal of a user, a new energy power supply is connected with a DC/DC module, the DC/DC module is respectively connected with a direct current load circuit breaker and a DC/AC module, and the direct current load circuit breaker is connected with a direct current load; the DC/AC module is connected with an alternating current load through an alternating current load breaker; the AC/DC module is connected with the DC load through the DC load breaker; the AC load breaker is connected with an AC load.
Has the advantages that:compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the direct-current type new energy power supply is directly connected, real-time complementation of an alternating-current power supply and the new energy power supply is realized, direct-current electric energy is directly provided for a direct-current load, repeated rectification links and loss of the rectification links are omitted, energy utilization efficiency is improved, the purpose of energy conservation is achieved, and power supply reliability is guaranteed.
2. The automatic switch-on can be realized by one key, the manual direct operation of the knife switch is not needed, and the use safety of a user is ensured.
3. The user can remotely monitor the working state of the information router in real time simply through a user terminal program, so that the working conditions of household electric energy and an information network are mastered, and the life convenience of the user is improved.
4. The intelligent socket can collect and forward the electric energy use information of the electric appliance uploaded by the intelligent socket and forward the control instruction from the remote user terminal to the intelligent socket, and physical hardware support is provided for popularization of the intelligent socket.
Drawings
Fig. 1 is a block diagram of the structure of a communication router of the present invention.
Fig. 2 is a block diagram of the structure of an application system of the present invention.
Detailed Description
The technical scheme of the invention is specifically explained below with reference to the accompanying drawings.
As shown in fig. 1, a communication router of the present invention includes a general coordination controller, a touch display screen, a communication router, an AC/DC module, a DC/AC module, a DC load breaker, and an AC load breaker. The general coordination controller is connected with the touch display screen through a serial RS485, and is respectively connected with the communication router, the AC/DC module, the DC/AC module, the direct current load circuit breaker and the alternating current load circuit breaker through a CAN bus. As a preferred scheme, the total coordination controller adopts a single chip microcomputer with the model number of STM32 series.
In the structure, the AC/DC module is used for timely adopting an alternating current power supply when the electric energy supply of the new energy power supply is insufficient.
And the DC/DC module is used for converting unstable voltage direct current output by new energy power supplies such as photovoltaic power supplies, direct current fans and the like into constant voltage direct current, and further supplying the constant voltage direct current to direct current loads such as LED (light emitting diode) lighting, storage batteries and electric automobiles.
And the DC/AC module is used for converting redundant direct current electric energy generated by the new energy power supply into power frequency alternating current in time and supplying the power frequency alternating current to alternating current loads such as an air conditioner, a refrigerator and a fan, so that the new energy is fully utilized to generate electricity.
The communication router is used for realizing wired and wireless internet access of a communication terminal of a user, such as a mobile phone and a computer, and is used as a remote terminal of the user to remotely monitor and control the communication of the communication router in real time.
And the direct current load breaker module is used for responding to a control command of the master coordination controller and respectively switching on and off all direct current loads.
And the alternating current load circuit breaker module is used for responding to a control command of the master coordination controller and respectively switching on and off all the alternating current loads.
And the touch display screen is used for locally displaying the working state of each module of the trusted router, manually setting working parameters and manually regulating and controlling the working mode of the trusted router. The operation mode includes a new energy utilization maximizing mode or a UPS mode. The new energy utilization maximization mode refers to that the new energy is preferentially and fully utilized, and the alternating current power supply is introduced only when the power of the new energy is insufficient. The UPS mode means that the new energy power supply is only used as a standby power supply in emergency, and only when the alternating current power supply can not supply power normally, the new energy power supply continues to supply power for important loads for a short time in time.
And the main coordination controller is respectively connected with the communication interfaces of the AC/DC module, the DC/AC module, the communication router, the direct-current load circuit breaker, the alternating-current load circuit breaker and the touch display screen, is used for monitoring and coordinating the working state of each device, coordinately controls the real-time complementation of the alternating-current power supply and the new energy power supply, communicates with a remote server through the communication router, further interacts with a remote user terminal in real time, and enables a user to remotely monitor the working state of the communication router.
As shown in fig. 2, an application system for managing an electric energy network and an information network includes a remote user terminal, a communication router, an internet server, a new energy source power source, an ac power source, a communication terminal, a dc load, and an ac load. The communication router comprises a general coordination controller, a touch display screen, a communication router, an AC/DC module, a DC/AC module, a direct current load breaker and an alternating current load breaker. The general coordination controller is connected with the touch display screen through a serial RS485, and is respectively connected with the communication router, the AC/DC module, the DC/AC module, the direct current load circuit breaker and the alternating current load circuit breaker through a CAN bus. The remote user terminal is connected to an internet server, which is connected to a communication router connected to the user's communication terminal through a network. The new energy power supply is connected with the DC/DC module, the DC/DC module is respectively connected with the direct current load circuit breaker and the DC/AC module, and the direct current load circuit breaker is connected with the direct current load; the DC/AC module is connected with an alternating current load through an alternating current load breaker. The AC/DC module is connected with the DC load through the DC load breaker; the AC load breaker is connected with an AC load.
In the above structure, the communication terminal is a computer, a telephone, or a mobile phone. The direct current load is LED lighting, a storage battery or an electric automobile. The AC load is an air conditioner, a refrigerator or a fan. The new energy power supply is a power supply generated by photovoltaic, a power supply generated by a direct current fan and the like. The alternating current power supply is mains supply.
In the application system, the AC/DC module, namely the rectification module, is respectively connected with the AC power supply and the DC load circuit breaker and is used for timely adopting the AC power supply when the electric energy supply of the new energy power supply is insufficient.
The DC/DC module, namely a direct current-to-direct current module, is respectively connected with the new energy power supply and the direct current load circuit breaker, and is used for converting unstable direct current of voltage output by the new energy power supplies such as photovoltaic power supplies, direct current fans and the like into constant-voltage direct current so as to supply the direct current load for use, such as LED lighting, storage batteries and electric automobiles.
The DC/AC module, namely the inversion module, is respectively connected with the DC/DC module and the alternating current load circuit breaker and is used for converting redundant direct current electric energy generated by the new energy power supply into power frequency alternating current in time and supplying the power frequency alternating current to alternating current loads such as an air conditioner, a refrigerator and a fan, thereby fully utilizing the new energy to generate electricity.
The communication router is respectively connected with an information medium provided by a network provider and a communication terminal of a user, is used for realizing wired and wireless internet access of the communication terminal of the user, such as a mobile phone and a computer, and is used as a remote terminal of the user to remotely monitor and control the communication of the communication router in real time.
And the direct current load breaker module is used for responding to a control command of the master coordination controller and respectively switching on and off all direct current loads.
And the alternating current load circuit breaker module is used for responding to a control command of the master coordination controller and respectively switching on and off all the alternating current loads.
And the touch display screen is used for locally displaying the working state of each module of the trusted router, manually setting working parameters and manually regulating and controlling the working mode of the trusted router. It is mainly to select the new energy use maximization mode or the UPS mode. The new energy utilization maximization mode refers to that the new energy is preferentially and fully utilized, and the alternating current power supply is introduced only when the power of the new energy is insufficient. The UPS mode means that the new energy power supply is only used as a standby power supply in emergency, and only when the alternating current power supply can not supply power normally, the new energy power supply continues to supply power for important loads for a short time in time.
And the main coordination controller is respectively connected with the communication interfaces of the AC/DC module, the DC/AC module, the communication router, the direct-current load circuit breaker, the alternating-current load circuit breaker and the touch display screen, is used for monitoring and coordinating the working state of each device, coordinately controls the real-time complementation of the alternating-current power supply and the new energy power supply, communicates with a remote server through the communication router, further interacts with a remote user terminal in real time, and enables a user to remotely monitor the working state of the communication router.
The principle that the total coordination controller realizes the real-time complementation of the alternating current power supply and the new energy power supply is as follows:
(1) working in a new energy utilization maximization mode, judging the voltage and the current collected at the outlet end of the DC/DC module: if the voltage is lower than 90% Un and the PWM duty ratio of the DC/DC module is greater than 98%, the power of the new energy power supply is insufficient, the AC/DC module is started, and the alternating current power supply is rectified in time to ensure the continuous power supply of the direct current load; if the voltage is higher than 110% Un and the PWM duty ratio of the DC/DC module is lower than 50%, indicating that the direct current load is less and the new energy power supply is not completely utilized, starting the DC/AC module, inverting the redundant direct current electric energy and then connecting the inverted direct current electric energy to the grid for use; and the other situations belong to a normal working state, the alternating current power supply supplies power to the alternating current load, the new energy power supply supplies power to the direct current load, and the AC/DC module and the DC/AC module are in a non-working state.
(2) The DC/AC module is started to supply power for important AC loads after inverting the DC electric energy, thereby ensuring the uninterrupted operation of important equipment.
The working process of the application system of the invention is as follows:
1. first access the transmission medium provided by the network provider. The communication router realizes the functions of dial-up networking, automatic IP address allocation, wireless network generation and the like, and provides network service for the communication terminal and the general coordination controller of the user.
2. The general coordination controller accesses the remote server through the Internet, and the remote user terminal accesses the remote server through the Internet, so that the remote interaction between the remote user terminal and the general coordination controller is achieved, and the user can remotely monitor the working state of the home information router in real time.
If the user does not access the Internet network, the user can only monitor the communication router locally through the touch display screen. The touch display screen is used for finishing man-machine interaction, displaying the working state of the router and finishing the control command of a user for switching on and off all the direct current loads and the alternating current loads.
3. A user sets the information router to work in a new energy utilization maximization mode through a remote user terminal connected to the Internet or through a touch display screen, and the working process is as follows:
when no new energy power supply is connected or the power of the new energy power supply is insufficient, a part of the power frequency alternating current power supply connected with the power grid is directly supplied to the local alternating current load, and a part of the power frequency alternating current power supply is rectified by AC/DC to provide reliable power supply for the direct current load.
After a new energy power supply with unstable voltage and current is accessed, the DC/DC module is converted into a stable direct current power supply to supply power for a direct current load; and when the direct current electric energy is redundant, namely the direct current load cannot consume the direct current electric energy in a short time and the electric energy is wasted as much as possible, the direct current is inverted through the DC/AC to provide partial electric energy for the power frequency alternating current load.
4. The user sets the communication router to work in the UPS mode through a remote user terminal connected to the Internet or through a touch display screen, the mode is suitable for remote areas or places with important electrical equipment, and the working process is as follows: the working state of the alternating current power supply is judged in real time by the master coordination controller and is divided into normal supply and disconnection. The new energy power supply is connected and gives an alarm to remind when the alternating current power supply is disconnected, so that power is continuously supplied to important electrical equipment for a period of time, the important electrical equipment is protected from being damaged by instant power loss, and important data can be stored in time by a user.
And 3 and 4, after the user selects the working mode, the real-time complementation of the new energy and the alternating current power supply and the UPS working process are automatically judged and completed by the interior of the master coordination controller without user intervention.
5. The system monitors the intelligent socket in the wireless local area network generated by the router in a wireless connection mode, collects and forwards the electric energy use information of the electric appliance uploaded by the intelligent socket, and forwards the control instruction from the remote user terminal to the intelligent socket.
In the system, a coordination controller module serving as a core coordinates and controls each module to realize the functions of realizing real-time complementation of an alternating current power supply and a new energy power supply, controlling the on-off of an alternating current total load and a direct current total load, managing an information network, directly accessing a direct current new energy, directly supplying power to a direct current load, remotely monitoring the working states of household electric energy and the information network by a user, collecting and forwarding electric energy use information of an electric appliance uploaded by an intelligent socket, and forwarding a control instruction from a remote user terminal to the intelligent socket. The device can improve the reliability and safety of power utilization and the convenience of users, can improve the utilization efficiency of energy sources, and achieves the aim of saving electric energy expenditure for the users.
Claims (6)
1. A trusted router, characterized in that it comprises a master coordinating controller, a touch display, a communication router, an AC/DC module, a DC/AC load breaker and an AC load breaker, wherein,
the general coordination controller is connected with the touch display screen through a serial RS485, and is respectively connected with the communication router, the AC/DC module, the DC/AC module, the direct current load circuit breaker and the alternating current load circuit breaker through a CAN bus.
2. The telecommunications router of claim 1, wherein said central coordination controller is a single-chip microcomputer of the type STM 32.
3. An application system for managing an electric power network and an information network comprising the communication router of claim 1, wherein the application system comprises a remote user terminal, a communication router, an internet server, a new energy power source, an alternating current power source, a communication terminal, a direct current load and an alternating current load; wherein,
the communication router comprises a general coordination controller, a touch display screen, a communication router, an AC/DC module, a DC/AC module, a direct current load breaker and an alternating current load breaker; the general coordination controller is connected with the touch display screen through a serial RS485 bus, and is respectively connected with the communication router, the AC/DC module, the DC/AC module, the direct current load circuit breaker and the alternating current load circuit breaker through a CAN bus;
the remote user terminal is connected with an internet server, the internet server is connected with a communication router through a network, the communication router is connected with the communication terminal of the user,
the new energy power supply is connected with the DC/DC module, the DC/DC module is respectively connected with the direct current load circuit breaker and the DC/AC module, and the direct current load circuit breaker is connected with the direct current load; the DC/AC module is connected with an alternating current load through an alternating current load breaker;
the AC/DC module is connected with the DC load through the DC load breaker; the AC load breaker is connected with an AC load.
4. The application system according to claim 3, wherein the communication terminal is a computer, a telephone, or a mobile phone.
5. The use according to claim 3, wherein the DC load is LED lighting, a battery or an electric vehicle.
6. The use according to claim 3, wherein said AC load is an air conditioner, a refrigerator or a fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832348.7A CN104539050B (en) | 2014-12-29 | 2014-12-29 | It can believe router and the application system for managing electric energy network and information network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832348.7A CN104539050B (en) | 2014-12-29 | 2014-12-29 | It can believe router and the application system for managing electric energy network and information network |
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| Publication Number | Publication Date |
|---|---|
| CN104539050A true CN104539050A (en) | 2015-04-22 |
| CN104539050B CN104539050B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410832348.7A Active CN104539050B (en) | 2014-12-29 | 2014-12-29 | It can believe router and the application system for managing electric energy network and information network |
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| Country | Link |
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| CN (1) | CN104539050B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106230347A (en) * | 2016-07-25 | 2016-12-14 | 武汉理工大学 | Intelligent domestic photovoltaic power generation control system |
| CN106611992A (en) * | 2016-12-13 | 2017-05-03 | 井英晨 | Movable and remotely-controlled intelligent domestic energy storage system |
| CN106886201A (en) * | 2015-12-16 | 2017-06-23 | 北京智芯微电子科技有限公司 | The family expenses photovoltaic generating system and control method of a kind of Internet |
| CN107332276A (en) * | 2017-08-17 | 2017-11-07 | 曲阜师范大学 | Light stores up integral intelligent charging device |
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| CN102280935A (en) * | 2011-06-24 | 2011-12-14 | 中国科学院电工研究所 | Intelligent power grid management system |
| CN102593819A (en) * | 2012-03-13 | 2012-07-18 | 江苏元中直流微电网有限公司 | DC micro power grid system |
| CN102710023A (en) * | 2012-06-13 | 2012-10-03 | 中国东方电气集团有限公司 | Monitoring system applicable to different types of wind photovoltaic storage microgrid systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102280935A (en) * | 2011-06-24 | 2011-12-14 | 中国科学院电工研究所 | Intelligent power grid management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106886201A (en) * | 2015-12-16 | 2017-06-23 | 北京智芯微电子科技有限公司 | The family expenses photovoltaic generating system and control method of a kind of Internet |
| CN106230347A (en) * | 2016-07-25 | 2016-12-14 | 武汉理工大学 | Intelligent domestic photovoltaic power generation control system |
| CN106230347B (en) * | 2016-07-25 | 2019-04-02 | 武汉理工大学 | Intelligent domestic photovoltaic power generation control system |
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| CN107332276A (en) * | 2017-08-17 | 2017-11-07 | 曲阜师范大学 | Light stores up integral intelligent charging device |
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| Publication number | Publication date |
|---|---|
| CN104539050B (en) | 2018-08-17 |
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