CN208285063U - It is a kind of can reverse power supply cell electric car power supply system - Google Patents
It is a kind of can reverse power supply cell electric car power supply system Download PDFInfo
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- CN208285063U CN208285063U CN201820681570.5U CN201820681570U CN208285063U CN 208285063 U CN208285063 U CN 208285063U CN 201820681570 U CN201820681570 U CN 201820681570U CN 208285063 U CN208285063 U CN 208285063U
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Abstract
The utility model provide it is a kind of can reverse power supply cell electric car power supply system, including emergency bus, the alternating current and generator being connect respectively with emergency bus by switching switch, the feeder pillar that input terminal is connect with emergency bus, multiple bidirectional measuring devices being connect respectively with the multiple output ends of feeder pillar, multiple charging piles, the multiple charging being serially connected between each bidirectional measuring device and corresponding charging pile respectively/anti-power supply units, the acquisition device and control device that capacitance needed for emergency bus is acquired at emergency bus are set, the battery of multiple electric cars is connect with each charging pile respectively.The utility model also provide it is a kind of can reverse power supply cell electric car method of supplying power to.The utility model can be realized the bidirectional power supply of electric car and power grid, preferentially selects electric car for emergency bus section reverse power supply in alternating current power-off, rationally utilizes the power supply of electric car, guarantees that cell emergency load continues to work normally.
Description
Technical field
The utility model relates to it is a kind of can reverse power supply cell electric car power supply system.
Background technique
With global fossil energy ongoing shortage and environmental problem it is increasingly serious, it is energy-saving and reduce to fossil fire
The dependence of material has become the countries in the world economy problem in the urgent need to address for holding sustainable development.Electric car has energy conservation
The advantage of emission reduction is the new industry that various countries competitively develop.
Residential quarters or the comprehensive indoor low-voltage bus bar section of office building (being referred to as cell) distribution are divided into common bus section, busbar section
With emergency bus section, existing cell distribution is to realize unidirectionally to provide charge power supply by power grid for electric car, when alternating current powers off
When, electric car and contacting for power grid disconnect, and the energy storage device that electric car is special as one kind, especially in cell
In the biggish situation of electric car quantity, when alternating current can not power, if electric energy can reversely be provided to power grid, especially to
Emergency bus section reverse power supply, the then emergency load that emergency bus section can be made to be mounted are not continued normal work by characterized by city-power
Make, but there is no the open concrete schemes for realizing electric car reverse power supply in the prior art.
Utility model content
The purpose of this utility model be in view of the deficiencies of the prior art, propose it is a kind of can reverse power supply cell electric car
Power supply system can be realized the bidirectional power supply of electric car and power grid, preferentially select electric car for emergency in alternating current power-off
Bus section, busbar section reverse power supply rationally utilizes the power supply of electric car, guarantees that cell emergency load continues to work normally.
The utility model is achieved through the following technical solutions:
It is a kind of can reverse power supply cell electric car power supply system, including emergency bus, by switching switch respectively with
The feeder pillar, multiple each defeated with feeder pillar respectively of the alternating current and generator of emergency bus connection, input terminal and emergency bus connection
The bidirectional measuring device of outlet connection, multiple is serially connected in each bidirectional measuring device and corresponding charging pile at multiple charging piles respectively
Between charging/anti-power supply unit, be arranged at emergency bus with the acquisition device for acquiring capacitance needed for emergency bus and control
Device processed, the battery of multiple electric cars are connect with each charging pile respectively, and charging/anti-power supply unit includes charging module and anti-confession
Electric module, charging module input terminal connect with bidirectional measuring device, the connection of output end and charging pile, anti-power supply module input terminal with
Charging pile connection, output end and bidirectional measuring device connect, control device respectively with generator, switching switch, acquisition device, respectively
Charging pile, charging module are connected with anti-power supply module, with the electricity consumption according to needed for the action signal of switching switch feedback, emergency bus
The battery capacity that can be provided of each electric car of capacity and each charging pile feedback, control generator, each charging module and anti-
The working condition of power supply module.
Further, the acquisition device includes the first acquisition for being respectively used to acquire the emergency bus voltage and current
Module and the second acquisition module, the computing module connecting respectively with the first acquisition module and the second acquisition module output end, calculate
Module and control device wireless communication connect.
Further, the charging pile includes the third acquisition module for acquiring the capacitance of corresponding electric car,
Third acquisition module and control device wireless communication connect.
Further, the charging module is rectifier boost module, and the anti-power supply module is inverter module, rectifier boost
Module and inverter module include switching tube, and the control device is connect to control its movement with each switching tube.
Further, the switching switch is ATS, is arranged in ATS control cabinet.
Further, the control device includes CPU or microprocessor.
Further, the bidirectional measuring device includes the ammeter box with reverse charging function.
Further, first acquisition module is voltage transformer, and second acquisition module is current transformer, institute
Stating computing module is single-chip microcontroller.
The utility model has the following beneficial effects:
1, when alternating current is normal, changeable switch connect alternating current with emergency bus, and alternating current is successively via emergency bus, branch
Case, charging module and charging pile is electric car chargings, electricity capacity needed for acquisition device acquires emergency bus, and feed back to control
Device processed；When alternating current powers off, switch motion can be switched, connect generator with emergency bus, when switching switch motion, to control
Device sending action signal, each electric stake of charging also acquires the battery capacity of its corresponding electric car, and feeds back to control device,
After control device receives action signal, judges whether the total battery capacity of electric car is not less than needed for emergency bus and use capacitor
Amount is powered if so, electric car is selected to send out for emergency bus, and the charging module for controlling selected electric car stops work
Make, anti-power supply module is started to work, if it is not, then generator is selected to provide power supply for emergency bus, thus realize electric car and
The bidirectional power supply of power grid preferentially selects electric car for emergency bus section reverse power supply, rationally using electronic in alternating current power-off
The power supply of automobile reduces the fuel consumption of generator, saves the energy, and guarantees that cell emergency load continues to work normally.
2, it is serially connected with bidirectional measuring device between the multiple output ends of feeder pillar and corresponding charging pile, can be realized electronic
Charging is carried out when automobile charging and reverse power supply.
Detailed description of the invention
The utility model is described in further details with reference to the accompanying drawing.
Fig. 1 is the principles of the present invention block diagram.
Wherein, 1, emergency bus；2, feeder pillar；3, bidirectional measuring device；4, charging/anti-power supply unit；41, charge mould
Block；42, anti-power supply module；5, charging pile；6, acquisition device；61, the first acquisition module；62, the second acquisition module；63, it calculates
Module；7, control device；8, switching switch；9, generator；10, alternating current；11, electric car.
Specific embodiment
As shown in Figure 1, can reverse power supply cell electric car power supply system, including emergency bus 1, by switching switch
What 8 alternating currents 10 connecting respectively with emergency bus 1 and generator 9, input terminal and emergency bus 1 connected has multiple output ends
Feeder pillar 2, multiple charging piles 5, multiple is gone here and there at multiple bidirectional measuring devices 3 connecting respectively with each output end of feeder pillar 2 respectively
Connect charging/anti-power supply unit 4 between each bidirectional measuring device 3 and corresponding charging pile 5, be arranged at emergency bus 1 with
The acquisition device 6 and control device 7 of electricity capacity needed for acquiring emergency bus 1, the battery of multiple electric cars 11 is respectively and respectively
Charging pile 5 connects, emergency bus 1, feeder pillar 2, bidirectional measuring device 3, charging/equal between anti-power supply unit 4 and charging pile 5
It is connected by low-voltage cable.In the present embodiment, bidirectional measuring device 3 includes the ammeter box with reverse charging function, and one
Ammeter box can be connect with 12 charging piles 5 respectively, i.e., the corresponding charging pile 5 of each bidirectional measuring device 3 is less than or equal to 12
It is a.
Charging/anti-power supply unit 4 includes charging module 41 and anti-power supply module 42,41 input terminal of charging module and two-way meter
Measure the connection of device 3, output end and charging pile 5 connect, anti-42 input terminal of power supply module connect with charging pile 5, output end with it is two-way
Metering device 3 connects, and control device 7 connects with generator 9, switching switch 8, acquisition device 6 and the wireless communication of each charging pile 5 respectively
It connects, connect with charging module 41 and anti-power supply module 42, switching switch 8 is specially ATS (double power supply automatic switching switch), setting
In ATS control cabinet, it is provided with the control module that can obtain ATS action signal in existing ATS control cabinet, when alternating current is normal,
Switching switch 8 connect alternating current 10 with emergency bus 1, cuts when alternating current powers off so that alternating current 10 provides power supply for emergency bus 1
The movement of switch 8 is changed, connect generator 9 with emergency bus 1, after the control module of ATS control cabinet obtains ATS action signal, instead
It is fed to control device 7, what the electricity capacity according to needed for the action signal, emergency bus 1 of control device 7 and each charging pile 5 were fed back
The battery capacity that each electric car 11 can be provided controls the work of generator 9, each charging module 41 and anti-power supply module 42
State.
Charging module 41 is rectifier boost module in the prior art, and anti-power supply module 42 is then inversion in the prior art
Module, rectifier boost module and inverter module include switching tube (such as IGBT pipe), control device 7 connect with each switching tube with
Control its movement.
Acquisition device 6 is adopted including being respectively used to the first acquisition module 61 and second of acquisition 1 voltage and current of emergency bus
The computing module 63 for collecting module 62, being connect respectively with the first acquisition module 61 and 62 output end of the second acquisition module, computing module
63 connect with the wireless communication of control device 7, wherein the first acquisition module 61 is voltage transformer, and the second acquisition module 62 is electricity
Current transformer, computing module 63 are single-chip microcontroller, and single-chip microcontroller concrete model is 80c51.
Charging pile 5 includes the third acquisition module for acquiring the battery capacity of corresponding electric car 11, third acquisition
Module and the wireless communication of control device 7 connect, and third acquisition module is provided in existing charging pile 5.
Control device 7 includes CPU, and concrete model is Pentium E6500.
Can the working principle of cell electric car power supply system of reverse power supply include the following steps:
A, acquisition device 6 acquires electricity capacity required for emergency bus 1, and feeds back to control device 7, specifically, logical
The first acquisition module 61 acquisition 1 voltage of emergency bus is crossed, 1 electric current of emergency bus is acquired by the second acquisition module 62, and pass through
Computing module 63 calculates electricity capacity according to the voltage and current of acquisition, and electricity capacity is the product of voltage and electric current；
B, after alternating current power-off, the third acquisition module of each charging pile 5 acquires the battery capacity of its corresponding electric car 11,
And feed back to control device 7；
C, the battery capacity for each electric car 11 that control device 7 is fed back according to each charging pile 5 judges that electric car 11 is total
Battery capacity whether be not less than emergency bus 1 needed for electricity capacity if so, entering step D otherwise, enter step G；
D, n electric car 11 is counter is powered for the selection of control device 7, and the battery capacity summation of n electric car 11 is answered
Not less than electricity capacity needed for emergency bus 1, and enter step E；
E, the corresponding charging module 41 of n electric car 11 in 7 rate-determining steps D of control device stops working, counter powers
Module 42 is started to work, specifically: control device 7 controls the switching tube in charging module 41 and disconnects so that charging module 41 stops
Work controls the switching tube high speed motion in anti-power supply module 42 so that anti-power supply module is started to work, and enters step F；
F, control device 7 controls the corresponding charging module 41 of remaining electric car 11 and anti-power supply module 41 stops
Work, that is, the switching tube for controlling these charging modules 41 and anti-power supply module 42 disconnect；
G, control device 7 sends enabling signal to generator 9, so that generator 9 is that emergency bus 1 provides power supply, and controls
The charging module 41 and anti-power supply module 42 for making each electric car 11 stop working, and control device 7 and generator 9 wirelessly communicate
Connection is the prior art to be sent to it enabled instruction.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this
Range should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of utility model patent is covered.
Claims (8)
1. one kind can reverse power supply cell electric car power supply system, it is characterised in that: including emergency bus, by switching open
Close the alternating current that connect respectively with emergency bus and generator, input terminal and emergency bus connection feeder pillar, it is multiple respectively with divide
The bidirectional measuring device of branch case each output end connection, multiple charging piles, it is multiple be serially connected in respectively each bidirectional measuring device with it is corresponding
Charging pile between charging/anti-power supply unit, the acquisition that capacitance needed for emergency bus is acquired at emergency bus is set
Device and control device, the battery of multiple electric cars are connect with each charging pile respectively, and charging/anti-power supply unit includes charging mould
Block and anti-power supply module, charging module input terminal is connect with bidirectional measuring device, output end and charging pile connect, anti-power supply module
Input terminal is connect with charging pile, output end and bidirectional measuring device connect, and control device is switched with generator, switching respectively, adopted
Acquisition means, each charging pile, charging module are connected with anti-power supply module, with female according to the action signal of switching switch feedback, emergency
The battery capacity that electricity capacity needed for line and each electric car of each charging pile feedback can be provided, control generator, each charging
The working condition of module and anti-power supply module.
2. one kind according to claim 1 can reverse power supply cell electric car power supply system, it is characterised in that: it is described
Acquisition device include be respectively used to acquire the emergency bus voltage and current the first acquisition module and the second acquisition module, point
The computing module not connecting with the first acquisition module and the second acquisition module output end, computing module and the control device are wireless
Communication connection.
3. one kind according to claim 2 can reverse power supply cell electric car power supply system, it is characterised in that: it is described
Charging pile includes the third acquisition module for acquiring the capacitance of corresponding electric car, third acquisition module and the control
Device wireless communication connection.
4. one kind according to claim 3 can reverse power supply cell electric car power supply system, it is characterised in that: it is described
Charging module is rectifier boost module, and the anti-power supply module is inverter module, and rectifier boost module and inverter module include
Switching tube, the control device are connect to control its movement with each switching tube.
5. one kind according to claim 4 can reverse power supply cell electric car power supply system, it is characterised in that: it is described
Switching switch is ATS, is arranged in ATS control cabinet.
6. according to claim 1-5 it is any it is described it is a kind of can reverse power supply cell electric car power supply system, feature exists
In: the control device includes CPU or microprocessor.
7. according to claim 1-5 it is any it is described it is a kind of can reverse power supply cell electric car power supply system, feature exists
In: the bidirectional measuring device includes the ammeter box with reverse charging function.
8. according to claim 2-5 it is any it is described it is a kind of can reverse power supply cell electric car power supply system, feature exists
In: first acquisition module is voltage transformer, and second acquisition module is current transformer, and the computing module is single
Piece machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820681570.5U CN208285063U (en) | 2018-05-08 | 2018-05-08 | It is a kind of can reverse power supply cell electric car power supply system |
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|---|---|---|---|
| CN201820681570.5U CN208285063U (en) | 2018-05-08 | 2018-05-08 | It is a kind of can reverse power supply cell electric car power supply system |
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| CN208285063U true CN208285063U (en) | 2018-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390456A (en) * | 2018-05-08 | 2018-08-10 | 国网福建晋江市供电有限公司 | It is a kind of can reverse power supply cell electric vehicle power supply system and method |
-
2018
- 2018-05-08 CN CN201820681570.5U patent/CN208285063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390456A (en) * | 2018-05-08 | 2018-08-10 | 国网福建晋江市供电有限公司 | It is a kind of can reverse power supply cell electric vehicle power supply system and method |
| CN108390456B (en) * | 2018-05-08 | 2023-11-24 | 国网福建晋江市供电有限公司 | Cell electric automobile power supply system and method capable of supplying power reversely |
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