CN208241345U - Charging pile system with power of alterating and direct current - Google Patents

Charging pile system with power of alterating and direct current Download PDF

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Publication number
CN208241345U
CN208241345U CN201820561515.2U CN201820561515U CN208241345U CN 208241345 U CN208241345 U CN 208241345U CN 201820561515 U CN201820561515 U CN 201820561515U CN 208241345 U CN208241345 U CN 208241345U
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China
Prior art keywords
capacitor
charging
power
charging pile
module
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Expired - Fee Related
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CN201820561515.2U
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Chinese (zh)
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赵祁明
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Shanghai Plus Amperex Technology Ltd
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Shanghai Plus Amperex Technology Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses the charging pile system with power of alterating and direct current, including power grid, grid-connected power generation system, rectification transformer station and charging pile, the output end of the power grid is connected with the input terminal at rectification transformer station, the input terminal of the charging pile is direct current input, and the output end at the rectification transformer station and the output end of grid-connected power generation system are connected with the input terminal of charging pile.Give charging pile power supply by grid-connected power generation system, avoid at peak period grid power supply it is unstable and the case where cause charging pile that can not charge normal;Also, grid-connected power generation system can automatic energy storage, be powered when electricity price is in wave crest by grid-connected power generation system, it when electricity price is in trough, is powered by power grid, mutually system does not collect energy progress energy storage voluntarily to wind-powered electricity generation at this time, the spending for reducing the electricity charge reduces the operation cost of charging station.

Description

Charging pile system with power of alterating and direct current
Technical field
The utility model relates to the charging pile systems with power of alterating and direct current, belong to technical field of electrical equipment.
Background technique
Under the serious overall background of global energy crisis and environmental crisis, in the world, national governments actively push forward new energy vapour With in the environment of development, electric car is become as a kind of green traffic tool that development prospect is wide for the application of vehicle, universal at present Speed is very swift and violent, and following market prospects are also very huge, and electric automobile charging pile is necessary to Development of EV Important mating infrastructure.
Charging pile in the prior art, it is unstable in the supply of peak times of power consumption city's voltage electricity usually by city's power voltage supply, It is abnormal to will cause charging pile power supply, leads to not complete charging work to electric vehicle.Simultaneously.When electricity price is in the spike stage When, power cost is higher, in addition, the charging module of charging pile in the prior art is made of multiple power module parallels, one Power module is about 30kw, if realizing, a cart fast charge needs to reach the power of 360kw or so, needs more than ten of power mould Block is in parallel, causes charging pile volume excessive, equipment cost is high.Due to the difference of electric vehicle vehicle, needed for charge power Also different, however, since charging module is made of multiple power module parallels, charge power cannot achieve it is stepless regulated, it is right The battery of electric vehicle may cause damage, influence the service life of battery of electric vehicle.
Summary of the invention
The purpose of this utility model is exactly in order to solve the above problems existing in the present technology, so that providing has alternating current-direct current The charging pile system of power supply solves the problems, such as that charging pile electric power provides that unstable, operation cost is excessively high.
The technical solution of the utility model is: the charging pile system with power of alterating and direct current, including power grid, new energy The output end of electricity generation system, rectification transformer station and charging pile, the power grid is connected with the input terminal at rectification transformer station, described to fill The input terminal of electric stake is direct current input, the output end of the output end at the rectification transformer station and grid-connected power generation system with fill The input terminal of electric stake is connected, and between rectification transformer station output end and charging pile, grid-connected power generation system output end and charging Switching device is equipped between stake, the rectification transformer station includes transformer, three phase rectifier module and the control of rectification transformer station Device, the controller at the rectification transformer station are used to control the on-off of its output power, and the grid-connected power generation system includes wind energy And/or photovoltaic power generation energy storage device, transforming circuit and controller, the controller of the grid-connected power generation system is for controlling it The on-off of electric power, the charging system of the charging pile include charging module, master control borad, power panel and electronic switch driver, institute Charging module, power panel and electronic switch driver is stated to be connected with master control borad, the charging module include power module and Filter module, the power module include electrolytic capacitor group and electronic switch, and the filter module includes thin-film capacitor group, described Electrolytic capacitor group and thin-film capacitor group are connected with master control borad, and the electronic switch is connected with electronic switch driver, institute It states master control borad and HF switch control is carried out to electronic switch.
Further, the above-mentioned charging pile system with power of alterating and direct current, in which: the charging pile includes charging gun, control Host processed, touch screen module, charging system, IC card module, the touch screen module carry out human-computer interaction for user, show simultaneously Show related data, the IC card module is for reading and recording cost information, the touch screen module, IC card module and Charging System is connected with control host.
Further, the above-mentioned charging pile system with power of alterating and direct current, in which: the power module includes capacitor C1- C6, resistance R1-R3, diode D1-D3, electronic switch Q1-Q3 and reactor L1-L3, the input anode and electricity of charging system Hold C1, capacitor C2, resistance R1 to be connected, the capacitor C1, capacitor C3 and capacitor C5 are connected in series, the capacitor C2, capacitor C4 and capacitor C6 are connected in series, and the resistance R1, resistance R2 and resistance R3 are connected in series, capacitor C1, capacitor C2 and resistance R1 It is in parallel, the capacitor C3, capacitor C4 and resistance R2 are in parallel, and the capacitor C5, capacitor C6 and resistance R3 are in parallel, institute The input cathode for stating charging system is connected with capacitor C5, capacitor C6 and resistance R3, and the collector of electronic switch Q1-Q3 is equal It is connected with charging system input anode, the grid of electronic switch Q1-Q3 passes through electronic switch driving plate in master control borad phase Connection, the emitter of electronic switch Q1 are connected with one end of the cathode of diode D1 and reactor L1, electronic switch Q2's Emitter is connected with one end of the cathode of diode D2 and reactor L2, the emitter of the Q3 of electronic switch and diode D3 Cathode and one end of reactor L3 be connected, the anode of diode D1-D3 with the input of charging system, negative pole of output end It is connected, the other end of the reactor L1-L3 is connected with charging system output head anode, and the capacitor C1-C6 constitutes institute State electrolytic capacitor group.
Further, the above-mentioned charging pile system with power of alterating and direct current, in which: the filter module include resistance R4, R5, reactor L4-L6, capacitor C7-C16, wherein capacitor C7-C14 forms compensating capacitance group, and capacitor C15 and C16 constitute thin-film electro The other end of appearance group, the reactor L1-L3 is connected with one end of reactor L4-L6 respectively, and the reactor L4-L6's is another One end is connected with charging system output head anode, and the one end resistance R4 is connected with charging system output head anode, the other end It is connected with one end of resistance R5, the other end of resistance R5 is connected with charging system negative pole of output end, and capacitor C7-C10 is successively The both ends of resistance R4 are parallel to, capacitor C11-C14 is successively parallel to the both ends of resistance R5, and capacitor C15 and C16 are connected to charging Between system output anode and cathode, and capacitor C15 and capacitor C16 be located at compensating capacitance group and charging system output end it Between.
Further, the above-mentioned charging pile system with power of alterating and direct current, in which: the charging pile further includes electric energy meter Module, the electric energy meter module are installed between charging module and charging gun, and the electric energy meter module is electrically connected with control host It connects.
Further, the above-mentioned charging pile system with power of alterating and direct current, in which: the charging pile further includes insulation inspection Instrument is surveyed, the insulation tester is installed between charging module and charging gun, and the insulation tester controls host and is electrically connected It connects.
The utility model is powered in peak times of power consumption, by grid-connected power generation system to charging pile, is avoided in peak period When grid power supply it is unstable and the case where cause charging pile that can not charge normal;Also, grid-connected power generation system can Automatic energy storage is powered when electricity price is in wave crest by grid-connected power generation system, when electricity price is in trough, is supplied by power grid Electricity, wind-powered electricity generation mutually do not collect the energy voluntarily and carry out energy storage by system at this time, reduces the spending of the electricity charge, reduce the operation of charging station at This;In addition, the utility model can realize direct current HF switch, output power can realize no rank regulation, so that realizing can be with Realize automatic charging, constant pressure, constant current automatic switching function.
Detailed description of the invention
Fig. 1 is the utility model charging pile system schematic diagram;
Fig. 2 is each module communication schematic diagram of charging pile;
Fig. 3 is charging system schematic diagram.
Specific embodiment
Below by way of attached drawing combination specific embodiment, the utility model is described in further details.
As shown in Figure 1-3, the charging pile system described in the utility model with power of alterating and direct current includes power grid 3, wind-powered electricity generation The output end of complementary power supply system 4, rectification transformer station 2 and charging pile 1, the power grid 3 is connected with the input terminal at rectification transformer station 3 It connects, the input terminal of the charging pile 1 is direct current input, the output end and wind-electricity complementary power supply system 4 at the rectification transformer station 3 Output end be connected with the input terminal of charging pile 1.
Switching device is equipped between the charging pile 1 and rectification transformer station 3, charging pile 1 and grid-connected power generation system 4. It include transformer, three phase rectifier module and rectification transformer station control in the rectification transformer station 3, controller is for controlling Transformer and the work of three phase rectifier module and control electric power on-off, the grid-connected power generation system 4 include wind energy and/or photovoltaic Generating equipment, energy storage device, transforming circuit and controller, controller for control wind energy and/or photovoltaic power generation equipment with And energy storage device work, and control grid-connected power generation system electric power output on-off, the charging pile 1 include control host 11, Touch screen module 12, charging system 13, IC card module 14 and charging gun, the touch screen 12 and IC card module 14 are set to and fill The outer surface of electric 1 shell of stake, touch screen module 12 carries out human-computer interaction for user, while showing related data, IC card module 14 for reading and recording cost information.Control host 11 and charging system 13 are all set in the shell of charging pile 1, the touching It touches panel module 12, IC card module 14 and charging system 13 to be connected by communication bus with control host 11, the Charging System 13 includes an input port and a delivery outlet, and the input port connects 850V direct current, and the delivery outlet is connected with charging gun It connects.Charging system includes charging module, master control borad U3, the first electronic switch driving plate U6, the second electronic switch driving plate U7, Three electronic switch driving plate U8, the first power panel U1, second source plate U2 and blower, the charging module, the first electronic switch Driving plate U6, the second electronic switch driving plate U7, third electronic switch driving plate U8, the first power panel U1, second source plate U2 It is connected with master control borad U3 with blower, charging module includes power module and filter module, and input terminal is connected with power module, Power module is connected with filter module, and filter module is connected with output end.
Specifically, the transformer at rectification transformer station is 24 arteries and veins transformers, and the alternating current input that power grid 3 exports becomes by 24 arteries and veins Depressor is passing through the uncontrollable direct current for rectifying acquisition 850V of three-phase, then 850V direct current electricity output to 1 charging system of charging pile 13 input terminal.4 direct output of DC current of grid-connected power generation system carries out boost or depressurization by transforming circuit, then will 850V direct current electricity output to charging pile 1 charging system.
Preferably, the charging pile further includes electric energy meter module 15 and insulation tester 16,15 He of electric energy meter module Insulation tester 16 is mounted between charging module and charging gun, and electric energy meter module 15 and insulation tester 15 with control Host 11 is electrically connected.
As shown in figure 3, power module include capacitor C1-C6, resistance R1-R3, reactor L1-L3, electronic switch Q1-Q3, The input anode of diode D1-D3, charging system are connected with one end of capacitor C1, capacitor C2 and resistance R1, capacitor C1's The other end is connected with the other end of the other end of capacitor C2 and resistance R1, one end phase of the other end and capacitor C3 of capacitor C1 Connection, the other end of capacitor C2 are connected with one end of capacitor C4, and the other end of resistance R1 is connected with one end of resistance R2, electricity The one end for holding C3 is connected with the other end of the other end of capacitor C4 and resistance R2, and, the other end and capacitor C5 of capacitor C3 One end be connected, the other end of capacitor C4 is connected with one end of capacitor C6, one end of the other end of resistance R2 and resistance R3 Be connected, the other end of the other end of capacitor C5, the other end of capacitor C6 and resistance R3 with charging system input cathode And charging system input cathode is connected, i.e., above-mentioned capacitor C1, C3, C5 series connection, capacitor C2, C4, C6 series connection, resistance R1, R2, R3 series connection, capacitor C1, capacitor C2, resistance R1 are in parallel, and capacitor C3, capacitor C4, resistance R2 are in parallel, capacitor C5, capacitor C6, electricity Resistance R3 is in parallel, and capacitor C1-C6 is composition electrolytic capacitor group, and electrolytic capacitor group is connected with master control borad U3, and resistance R1-R3 is equal Piezoresistance.Electronic switch Q1-Q3 is preferably insulated gate bipolar transistor (IGBT), the grid of electronic switch Q1 and the first electronics Switch driving plate U6 is connected, and the grid of electronic switch Q2 is connected with the second electronic switch driving plate U7, electronic switch Q3's Grid is connected with third electronic switch driving plate U8, collector, the electricity of the collector of the electronic switch Q1, electronic switch Q2 The collector of the Q3 of sub switch is connected with charging system input anode, and the emitter of electronic switch Q1 is with diode D1's One end of cathode and reactor L1 are connected, the emitter of electronic switch Q2 and the cathode of diode D2 and reactor L2's One end is connected, the emitter of the Q3 of electronic switch is connected with one end of the cathode of diode D3 and reactor L3, two poles The anode of pipe D1-D3 is connected with the cathode of charging system input terminal and negative pole of output end, the other end of reactor L1-L3 with Output head anode is connected.
Preferably, between the emitter of electronic switch Q1 and reactor L1, the emitter and reactor of electronic switch Q2 Current transformer is respectively connected between L2, between the emitter of electronic switch Q3 and reactor L3.Input terminal and output end are just Cathode is respectively connected with fuse, and input anode is connected with preliminary filling electrical circuit, and preliminary filling electrical circuit includes charging diode Dt, charging Resistance Rt and relay K1, relay K1 are connected between input anode and capacitor C1, charging diode Dt and charging resistor Rt series connection, charging diode Dt and charging resistor Rt series connection are formed by branch circuit parallel connection in the both ends of relay K1, relay K1 It is connected by relay expansion board U5 with master control borad U3, charging system output end is connected with relay K2, and relay K2 is logical It crosses relay expansion board U5 to be connected with master control borad U3, when charging system is abnormal, master control borad U3 controls K2 and disconnects Stop charging.
First power panel U1 and second source plate U2 connects 220V alternating current, and after rectified transformation, the first power panel U1 is used for It powers to master control borad U3, second source plate U2 is connected with blower 4, powers for fan 4, and master control borad 3 is expanded by relay Panel U4 is connected with blower, and master control borad 3 is connected with temperature sensor, monitors temperature inside charger by temperature sensor Degree, when the temperature is excessively high, control blower 4 work.
In above-mentioned electronic component, capacitor C1, capacitor C2, resistance R1, electronic switch Q1, diode D1 and reactor L1 are constituted First BUCK circuit, capacitor C3, capacitor C4, resistance R2, electronic switch Q2, diode D2 and reactor L2 constitute the 2nd BUCK electricity Road, capacitor C5, capacitor C6, resistance R3, electronic switch Q3, diode D3 and reactor L3 constitute the 3rd BUCK circuit, i.e., quite One three-phase BUCK circuit of composition parallel with one another between the first BUCK circuit, the 2nd BUCK circuit, the 3rd BUCK circuit.Here It should be noted that above scheme is only preferred embodiment using three-phase BUCK circuit, quantity is unrestricted, as long as having at least one Group BUCK circuit, such as two-phase BUCK circuit in parallel or four phase BUCK circuit in parallel are chosen as, correspondingly, each electronics member The connection type of device can also be analogized as described above.
The filter module includes resistance R4, R5, reactor L4-L6, capacitor C7-C16, and wherein capacitor C7-C14 composition is mended Capacitance group is repaid, the other end of the reactor L1-L3 is connected respectively with one end of reactor L4-L6 by connecting copper bar, is filled Electric system input cathode is connected by connecting copper bar with negative pole of output end, the other end of the reactor L4-L6 with electricity The one end and charging system output head anode for hindering R4 are connected, and the other end of resistance R4 is connected with one end of resistance R5, electricity The other end of resistance R5 is connected with charging system negative pole of output end, and capacitor C7-C10 is successively parallel to the both ends resistance R4, capacitor C11-C14 is successively parallel to the both ends resistance R5, and capacitor C7 is connected with capacitor C11, and capacitor C8 is connected with capacitor C12, electricity Hold C9 to be connected with capacitor C13, capacitor C10 is connected with capacitor C14, and capacitor C15 and C16 are connected to charging system output end Between anode and cathode, and capacitor C15 and capacitor C16 be between compensating capacitance group and charging system output end, the capacitor C15 and C16 constitutes thin-film capacitor group, and the thin-film capacitor group is connected with master control borad U3.
When using the utility model, in peak times of power consumption, powered by grid-connected power generation system 4 to charging pile 1, power grid 1 Switching device between charging pile 1 disconnects, and avoids the grid power at peak period and supplies unstable and cause 1 nothing of charging pile The case where method charges normal.Also, grid-connected power generation system 4 can automatic energy storage, when electricity price is in wave crest by new energy Electricity generation system 4 is powered, and when electricity price is in trough, is powered by power grid, at this time wind-powered electricity generation mutually not system 4 voluntarily collect the energy into Row energy storage reduces the spending of the electricity charge, reduces the operation cost of charging station.In addition, in charging pile charging system master control borad U3 controls electronic switch Q1-Q3 through electronic switch driving plate U6-U8 by output PWM wave, and according to electrolysis electricity The feedback of appearance group and thin-film capacitor group is adjusted, realize direct current HF switch, thus realize may be implemented automatic charging (with BMS real-time communication is realized to the charge function of lithium battery), constant pressure, constant current automatic switching function, output power can be realized stepless Do not regulate and control.
Certainly, the representative instance of above only the utility model, in addition to this, the utility model can also have other a variety of Specific embodiment, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection Within the scope of.

Claims (6)

1. a kind of charging pile system with power of alterating and direct current, it is characterised in that: including power grid, grid-connected power generation system, rectification The output end of substation and charging pile, the power grid is connected with the input terminal at rectification transformer station, the input terminal of the charging pile For direct current input, the output end of the output end at the rectification transformer station and grid-connected power generation system with the input terminal of charging pile It is connected, and is equipped between rectification transformer station output end and charging pile, between grid-connected power generation system output end and charging pile Switching device, the rectification transformer station include transformer, three phase rectifier module and rectification transformer station control, and the rectification becomes The controller in power station is used to control the on-off of its output power, and the grid-connected power generation system includes wind energy and/or photovoltaic power generation Energy storage device, transforming circuit and controller, the controller of the grid-connected power generation system are used to control the on-off of its electric power, institute The charging system for stating charging pile includes charging module, master control borad, power panel and electronic switch driver, the charging module, electricity Source plate and electronic switch driver are connected with master control borad, and the charging module includes power module and filter module, described Power module includes electrolytic capacitor group and electronic switch, and the filter module includes thin-film capacitor group, the electrolytic capacitor group and Thin-film capacitor group is connected with master control borad, and the electronic switch is connected with electronic switch driver, and the master control borad is to electricity Sub switch carries out HF switch control.
2. the charging pile system according to claim 1 with power of alterating and direct current, it is characterised in that: the charging pile includes Charging gun, control host, touch screen module, charging system, IC card module, the touch screen module carry out man-machine friendship for user Mutually, while related data is shown, the IC card module is for reading and recording cost information, the touch screen module, IC card mould Block and charging system are connected with control host.
3. the charging pile system according to claim 1 with power of alterating and direct current, it is characterised in that: the power module packet Include capacitor C1-C6, resistance R1-R3, diode D1-D3, electronic switch Q1-Q3 and reactor L1-L3, the input terminal of charging system Anode is connected with capacitor C1, capacitor C2, resistance R1, and the capacitor C1, capacitor C3 and capacitor C5 are connected in series, the capacitor C2, capacitor C4 and capacitor C6 are connected in series, and the resistance R1, resistance R2 and resistance R3 are connected in series, capacitor C1, capacitor C2 and Resistance R1 is in parallel, and the capacitor C3, capacitor C4 and resistance R2 are in parallel, the capacitor C5, capacitor C6 and resistance R3 phase The input cathode of parallel connection, the charging system is connected with capacitor C5, capacitor C6 and resistance R3, electronic switch Q1-Q3's Collector is connected with charging system input anode, the grid of electronic switch Q1-Q3 pass through electronic switch driving plate in Master control borad is connected, and the emitter of electronic switch Q1 is connected with one end of the cathode of diode D1 and reactor L1, electronics The emitter of switch Q2 is connected with one end of the cathode of diode D2 and reactor L2, the emitter of the Q3 of electronic switch with The cathode of diode D3 and one end of reactor L3 are connected, the anode of diode D1-D3 with the input of charging system, defeated Outlet cathode is connected, and the other end of the reactor L1-L3 is connected with charging system output head anode, the capacitor C1- C6 constitutes the electrolytic capacitor group.
4. the charging pile system according to claim 3 with power of alterating and direct current, it is characterised in that: the filter module packet Resistance R4, R5, reactor L4-L6, capacitor C7-C16 are included, wherein capacitor C7-C14 forms compensating capacitance group, capacitor C15 and C16 Thin-film capacitor group is constituted, the other end of the reactor L1-L3 is connected with one end of reactor L4-L6 respectively, the reactance The other end of device L4-L6 is connected with charging system output head anode, the one end resistance R4 and charging system output head anode phase Connection, the other end are connected with one end of resistance R5, and the other end of resistance R5 is connected with charging system negative pole of output end, capacitor C7-C10 is successively parallel to the both ends of resistance R4, and capacitor C11-C14 is successively parallel to the both ends of resistance R5, capacitor C15 and C16 It is connected between charging system output head anode and cathode, and capacitor C15 and capacitor C16 is located at compensating capacitance group and charging system Between output end.
5. the charging pile system according to claim 2 with power of alterating and direct current, it is characterised in that: the charging pile also wraps Electric energy meter module is included, the electric energy meter module is installed between charging module and charging gun, and the electric energy meter module and control Host electrical connection.
6. the charging pile system according to claim 2 with power of alterating and direct current, it is characterised in that: the charging pile also wraps Insulation tester is included, the insulation tester is installed between charging module and charging gun, and the insulation tester controls Host electrical connection.
CN201820561515.2U 2018-04-19 2018-04-19 Charging pile system with power of alterating and direct current Expired - Fee Related CN208241345U (en)

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CN201820561515.2U CN208241345U (en) 2018-04-19 2018-04-19 Charging pile system with power of alterating and direct current

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CN201820561515.2U CN208241345U (en) 2018-04-19 2018-04-19 Charging pile system with power of alterating and direct current

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994735A (en) * 2019-12-23 2020-04-10 炬星科技(深圳)有限公司 Charge and discharge control method, system, device and computer readable storage medium
CN111864886A (en) * 2020-07-14 2020-10-30 北京诺信泰伺服科技有限公司 Power supply and floodgate machine equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994735A (en) * 2019-12-23 2020-04-10 炬星科技(深圳)有限公司 Charge and discharge control method, system, device and computer readable storage medium
CN110994735B (en) * 2019-12-23 2021-04-27 炬星科技(深圳)有限公司 Charge and discharge control method, system, device and computer readable storage medium
CN111864886A (en) * 2020-07-14 2020-10-30 北京诺信泰伺服科技有限公司 Power supply and floodgate machine equipment
CN111864886B (en) * 2020-07-14 2024-05-24 北京诺信泰伺服科技有限公司 Power supply and floodgate machine equipment

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