Utility model content
In consideration of it, the utility model provides charging pile energy-saving aging device and charging system, it is intended to solve in the prior art
Using load testing charging pile aging is at high cost and the big problem of energy loss.
The utility model embodiment first aspect provides charging pile energy-saving aging device, comprising: voltage management module, electricity
Press control module and inverter module;
The voltage management module, communication ends are suitable for connect with charging gun, for pass through the charging gun and charging pile into
Row communication connection exports predeterminated voltage according to charging gun described in user's input control;
The voltage control module, input terminal are connect with the charging gun, the input terminal of output end and the inverter module
Connection, for the predeterminated voltage to be converted to direct current electricity output to the inverter module;
The inverter module, output end is suitable for connecting with external electrical network, for the converting direct-current power into alternating-current power is defeated
Out into the external electrical network.
Optionally, the communication ends of the voltage management module are connect by charging gun interface with charging gun.
Optionally, the voltage management module includes:
For receiving the control unit of user's input, the of the output end of described control unit and the voltage management unit
The connection of one signal input part;With
Voltage management unit for the output predeterminated voltage of the charging gun according to user's input control;The voltage management
The second signal input terminal of unit is connect with the communication ends of the voltage management module.
Optionally, described control unit is touch screen.
Optionally, the voltage management unit is BMS (Battery Management System, battery management system).
Optionally, described control unit is connect by RS485 bus with the voltage management unit.
Optionally, the voltage control module is photovoltaic controller.
Optionally, the inverter module is photovoltaic DC-to-AC converter.
Optionally, described device further include: the predeterminated voltage boosts as the boost module of first voltage;
The input terminal of the boost module is connect with the charging gun, the output end of the boost module and the voltage control
The voltage input end of molding block connects;The first voltage is output to the voltage control module by the boost module.
The utility model embodiment second aspect provides charging system, including charging pile and charging gun, further includes and institute
State any one charging pile energy-saving aging device as described in above-described embodiment first aspect of charging gun connection.
The beneficial effect of the utility model embodiment compared with prior art is: the communication ends of voltage management module with fill
Electric rifle connection, is communicated by charging gun with charging pile, is exported predeterminated voltage further according to user's input control charging gun, is realized
The voltage swing for automatically controlling charging pile output, operates conveniently;Then the predeterminated voltage of charging gun by voltage control module and
Inverter module changes alternating current into and is output in external electrical network, realizes voltage conversion efficiency height, is not limited by bearing power, and
Apparatus structure is simple, at low cost, and cost performance is high.
Embodiment one
Referring to Fig. 1, charging pile energy-saving aging device provided by the embodiment of the utility model, including voltage management module 100,
Voltage control module 200 and inverter module 300.
Wherein, the communication ends of voltage management module 100 are suitable for connecting with charging gun, and the voltage of voltage control module 200 is defeated
Enter end to connect with the charging gun, the output end of voltage control module 200 is connect with the input terminal of inverter module 300, inversion mould
The output end of block 300 is suitable for connecting with external electrical network.
Voltage management module 100 is inputted according to user and is controlled for being communicatively coupled by the charging gun with charging pile
Make the charging gun output predeterminated voltage.
Voltage control module 200 is used to predeterminated voltage being converted to direct current electricity output to inverter module 300.
Inverter module 300 is for the converting direct-current power into alternating-current power to be output in the external electrical network.
In concrete application, voltage management module 100 is shaken hands and is communicated with charging pile message by charging gun, Yong Hutong
Required aging voltage is arranged in overvoltage management module 100, and the charging gun according to user's input control of voltage management module 100 is defeated
Predeterminated voltage out, then predeterminated voltage is converted to direct current by voltage control module 200, and inverter module 300 converts direct current
It is fed back in external electrical network at alternating current, realizes the aging energy conservation of charging pile, voltage conversion efficiency is up to 93%, negative more than resistive
Energy conservation, and the power limit without electronic load are carried, cost performance is high.
Wherein, the relevant parameters such as required aging current, ageing time are arranged by voltage management module 100 in user, may be used also
Multistage demand information is arranged, such as different demand informations is set for different charging piles, voltage management module 100 will be used
The information converting communication signals of family setting are sent to charging pile by charging gun, and charging pile exports electric current etc. according to signal of communication.
Above-mentioned charging pile energy-saving aging device, the communication ends of voltage management module 100 are connect with charging gun, pass through charging gun
It is communicated with charging pile, exports predeterminated voltage further according to user's input control charging gun, realized and automatically control charging pile output
Voltage swing, operate conveniently;Then the predeterminated voltage of charging gun is changed by voltage control module 200 and inverter module 300
Alternating current is output in external electrical network, is realized voltage conversion efficiency height, is not limited by bearing power, and apparatus structure letter
Single, at low cost, cost performance is high.
Wherein, the communication ends of voltage management module 100 are connect by charging gun interface with charging gun.
One end of charging gun interface is connect with the communication ends of voltage management module 100, and the other end is connect with charging gun.Voltage
Management module 100 carries out message by charging gun and charging pile and the functions such as shakes hands, communicate, and is inputted according to user and to generate voltage and lead to
Letter signal is sent to charging pile, and charging pile is made to export predetermined current by charging gun according to voltage communication signal.
The voltage input end of voltage control module 200 is connect by charging gun interface with charging gun, voltage control module 200
The predeterminated voltage of charging gun output is received by voltage input end.
In one embodiment, referring to fig. 2, voltage management module 100 includes: control unit 110 and voltage management unit
120。
Wherein, the output end of control unit 110 is connect with the first signal input part of voltage management unit 120, voltage pipe
The second signal input terminal of reason unit 120 is connect with the communication ends of voltage management module 100.
Control unit 110 is for receiving user's input.
Voltage management unit 120 exports predeterminated voltage for the charging gun according to user's input control.
In another embodiment, control unit 110 is touch screen.
Illustratively, user is according to demand or according to the aging conditions of charging pile by predeterminated voltage input terminal to touch screen,
Predeterminated voltage is converted into instruction control voltage management unit 120 by touch screen, and voltage management unit 120 is according to instruction control
Charging gun exports the predeterminated voltage.
The relevant parameters such as aging current, ageing time needed for user can also be arranged by touch screen, voltage management unit
120 control charging gun output electric current etc. according to the information of user setting.
In another embodiment, voltage management unit 120 is BMS.
BMS can show the state-of-charge of charging pile at any time, and BMS can also acquire charging pile charging and discharging currents and total in real time
Voltage prevents overcharging or overdischarging phenomenon, the reliability and high efficiency remained operational.
In another embodiment, control unit 110 is connect by RS485 bus with voltage management unit 120.
In another embodiment, voltage control module 200 is photovoltaic controller.
Specifically, the charging gun according to user's input control of voltage management module 100 exports predeterminated voltage, then photovoltaic
The predeterminated voltage can be converted to direct current electricity output to inverter module 300 by controller.
Photovoltaic controller is connect by PV (Photovoltaic, photovoltaic) power line with inverter module 300, photovoltaic controller
It can also be connect by RS485 communication bus with inverter module 300, photovoltaic controller controls inverter module 300 and turns direct current
It is changed to alternating current.
In another embodiment, inverter module 300 is photovoltaic DC-to-AC converter.
Illustratively, photovoltaic controller is connect by PV power line with photovoltaic DC-to-AC converter, while photovoltaic controller also passes through
RS485 communication bus is connect with photovoltaic DC-to-AC converter, and photovoltaic controller controls photovoltaic DC-to-AC converter and direct current is converted to alternating current.
Specifically, the predeterminated voltage that photovoltaic controller exports charging gun is converted into direct current electricity output to photovoltaic DC-to-AC converter,
Direct current is converted to alternating current and feeds back to external electrical network by photovoltaic DC-to-AC converter.
Optionally, the charging pile energy-saving aging device further includes isolation module 500.
Isolation module 500 is used for the direct current that isolation voltage control module 200 exports, and carries out electrical isolation to direct current,
The interference that direct current is subject to is reduced, guarantees that direct current is converted to the stable operation of alternating current by photovoltaic DC-to-AC converter.
Voltage control module 200 is connect by isolation module 500 with inverter module 300.
The present embodiment without limitation, can be isolation circuit, being also possible to can be real to the specific structure of isolation module 500
The isolator of existing electrical isolation.
In another embodiment, inverter module 300 can also be isolated inverter.
Specifically, isolated inverter is connect with voltage control module 200, isolated inverter is defeated by voltage control module 200
Direct current out is converted to alternating current, and alternating current is fed back in external electrical network, at the same isolated inverter also to direct current into
Row electrical isolation reduces the interference that direct current is subject to.
Illustratively, isolated inverter is connect by PV power line with photovoltaic controller, and isolated inverter also passes through RS485
Bus is connect with photovoltaic controller, and isolated inverter receives the control signal of photovoltaic controller, and photovoltaic controller is exported
Direct current is converted to alternating current, while carrying out electrical isolation to direct current, reduces the interference that direct current is subject to.
In another embodiment, referring to fig. 2, the charging pile energy-saving aging device further include: boost module 400.
Boost module 400 is for boosting the predeterminated voltage for first voltage.
The input terminal of boost module 400 is connect with the charging gun, the output end and voltage control module of boost module 400
200 voltage input end connection.
Boost module 400 is also used to the first voltage being output to voltage control module 200.
In practical application, 200V~750V when charging pile output voltage, but the input voltage of photovoltaic controller is at least
500V a, so boost module 400 is added in the present embodiment in charging pile energy-saving aging device, in this way in charging pile output
When predeterminated voltage is lower than 500V, boost module 400 boosts predeterminated voltage for first voltage, and first voltage meets photovoltaic controller
Input voltage requirement, realize that charging pile gamut can be aged.
The present embodiment without limitation, can be booster, be also possible to have amplifier tube to the specific structure of boost module 400
Or the booster circuit of the elements such as mutual inductor composition.
In another embodiment, boost module 400 is DC booster.
The present embodiment boost module 400 uses DC booster, can simplify the structure of charging pile energy-saving aging device, subtracts
Electrical Interference in few charging pile energy-saving aging device.
In above-described embodiment, the communication ends of voltage management module 100 are connect with charging gun, by charging gun and charging pile into
Row communication exports predeterminated voltage further according to user's input control charging gun, realizes the voltage swing for automatically controlling charging pile output,
It operates conveniently;Then the predeterminated voltage of charging gun is changed into alternating current and is output to by voltage control module 200 and inverter module 300
In external electrical network, voltage conversion efficiency height is realized, and the output voltage of charging pile is not limited by bearing power, apparatus structure letter
Single, at low cost, cost performance is high, while utilizing boost module 400, can make can be aged for charging pile gamut.