CN207809088U - The rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching is realized using D.C. contactor - Google Patents
The rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching is realized using D.C. contactor Download PDFInfo
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- CN207809088U CN207809088U CN201721924525.XU CN201721924525U CN207809088U CN 207809088 U CN207809088 U CN 207809088U CN 201721924525 U CN201721924525 U CN 201721924525U CN 207809088 U CN207809088 U CN 207809088U
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- 238000007600 charging Methods 0.000 title claims abstract description 204
- 238000003306 harvesting Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007791 dehumidification Methods 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses the rush-harvesting and rush-planting DC charging motors that arbitrary power dispatching is realized using D.C. contactor.The utility model is connect with charging gun to export charging current by selecting the break-make of each power dispatching D.C. contactor to control one of which or multigroup charging module respectively, overcome the technical issues of rush-harvesting and rush-planting charging pile system existing in the prior art cannot achieve flexible dispatching, realize the flexible dispatching of charging pile charge power, and any charging module schedulable exports charging current by any charging gun, to improve charging module utilization rate, and then the cost of charging pile is reduced, there is good economic and social benefit.The utility model can be widely applied to various rush-harvesting and rush-planting DC charging motors.
Description
Technical field
The utility model is related to power or the circuit device of distribution or system more particularly to a kind of electric vehicle rush-harvesting and rush-planting direct current
Charger.
Background technology
Current charging pile both domestic and external is all one rifle of a machine, dynamics new-energy automobile supported with national governments by
Gradually increasing has more and more new-energy automobiles to launch, and improves the knee of electric vehicle than being all that national governments need to face
Project, with smaller social resources build more charging piles improve knee ratio could allow more new energy car owners compared with
Good uses new-energy automobile.One machine rush-harvesting and rush-planting charging pile is wherein preferable solution.
For the call further responsive to social energy conservation emission reduction, has machine rush-harvesting and rush-planting charging with more economical input to build
The charging pile of function can do good covering to left and right two parking stalls of the charging pile under rain cover sunshade, single
Display interface and region of swiping the card also can allow car owner very easily to be operated to charging pile machine, while working as has idle charging gun not have
By in use, the power of charging module can be alloted inside charging pile automatically, make online charging gun with maximum power to electric vehicle
Charging, to improve the service efficiency of charging pile.
In the prior art, though there is document to disclose a machine multiple gun charging pile, there are still problems with for it：It is every that charging gun is equal
It is equipped with fixed charging current, charge power cannot achieve flexible dispatching.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of achievable charge power flexible dispatching
Rush-harvesting and rush-planting DC charging motor.
Technical solution used by the utility model is：
The rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching, including two charging guns, Duo Zuchong are realized using D.C. contactor
Electric module, power dispatching unit, two charging guns are separately connected the DC bus for being useful for carry charging module, and described two
It is both provided with busbar D.C. contactor on DC bus；Multigroup charging module is arranged in order, and is connected between adjacent charging module
There is power dispatching D.C. contactor, power dispatching unit is by controlling the on off operating mode of power dispatching D.C. contactor to control
The charging module quantity of carry, the charger further include cabinet under each DC bus, on the left of the cabinet and/or right side and/
Or front and/or the back side setting there are one can external-open water-proof cabinet door.
Preferably, two charging guns are the first charging gun and the second charging gun, and corresponding two DC bus are first
DC bus and the second DC bus, corresponding two groups of busbar D.C. contactors are that the first busbar D.C. contactor and the second busbar are straight
Contactor is flowed, multigroup charging module is the 1st group to M group charging modules, first group of charging module and the first direct current
Busbar connects, and the M groups charging module is connect with the second DC bus, and the N group charging modules are straight by power dispatching
Stream contactor is connect with upper one group of charging module, wherein M is the natural number more than 1, and N is the nature more than 1 and less than or equal to M
Number.
Preferably, the M is equal to 8,6,5 or 4.
Preferably, the DC charging motor includes following three kinds of working conditions：C1, in two groups of busbar D.C. contactors only
One group of actuation, power dispatching unit according to the on off operating mode of charge power demand control each group power dispatching D.C. contactor to
The charging module quantity of carry under corresponding DC bus is controlled, and then controls the power of corresponding charging gun direct current output；C2,
Two groups of busbar D.C. contactors are all attracted, then must at least one group of D.C. contactor be broken in multigroup power dispatching D.C. contactor
It opens, power dispatching unit is according to the on off operating mode of charge power demand control each group power dispatching D.C. contactor to control two
The charging module quantity of carry under DC bus, and then control the power of two charging gun direct current outputs；C3, two groups of busbares are straight
Stream contactor all disconnects, and is said the word by power dispatching unit and shuts down all charging modules.
Preferably, further include accounting management unit and two interface boards corresponding to two charging guns；The accounting management
The output end of unit is connected with indicator light and display screen, and the input terminal of the accounting management unit is connected with card reader, the meter
Take administrative unit to connect with multiple interface boards respectively by CAN bus；The interface board is respectively connected with for detecting charging gun electricity
The direct current energy meter of stream, described two interface boards are connect by CAN bus with power dispatching unit；The power dispatching unit
It is communicated to connect by CAN bus and multigroup charging module；The busbar D.C. contactor and power dispatching D.C. contactor it is logical
Disconnected state is controlled by power dispatching unit and interface board respectively.
Preferably, the charging module is AC-DC module or DC-DC module.
Preferably, the right side central of the charger is provided with air inlet, and the left upper portion of the charger is provided with out
Air port, the air inlet suck cold air, and the hot-air heated after each charging module is blown from frontal left middle and upper part
Go out.
Preferably, the charging module is AC-DC charging modules, and the AC-DC charging modules are connected with AC input lines
And DC leadout, the AC input lines are arranged in charger lower part, the charging module is arranged in the middle part of charger, described
DC leadout is arranged in charger top.
Preferably, the charger includes positive front door, the front door be equipped with liquid crystal display, accounting management unit,
Charging panel, monitor board, card reader, LED Unit, scram button；Displayable humiture is disposed in the middle part of the front door to pass
Sensor, Temperature Humidity Sensor are connected to monitor board by 485 signals, and front door middle and lower part is disposed with heating and dehumidification device, passes through prison
Humiture situation controls the start and stop of heating and dehumidification device to control humiture inside charger inside the charger that control plate obtains.
Preferably, the charger middle and upper part is provided with hook of hanging arms, and there are one the other settings of line of hanging arms hook to hold the sky of rifle
Gun platform, dry practice seat are internally provided with to feed back the sensor whether rifle playbacks, the dry node signal of the sensor or 485 letters
Number monitor board is fed back to, the state whether charging gun playbacks and the language by being arranged on front door can be shown on liquid crystal display
Sound loudspeaker play the voice prompt that please rifle charging gun is playbacked.
The utility model has the beneficial effects that：
The utility model is by selecting the break-make of each power dispatching D.C. contactor to control one of which or multigroup respectively
Charging module is connect with charging gun to export charging current, and overcoming rush-harvesting and rush-planting charging pile system existing in the prior art can not be real
The technical issues of existing flexible dispatching, the flexible dispatching of charging pile charge power is realized, and any charging module schedulable passes through
Any charging gun exports charging current, to improve charging module utilization rate, and then reduces the cost of charging pile, has good
Economic and social benefit.
The utility model can be widely applied to various rush-harvesting and rush-planting DC charging motors.
Description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the system topological figure of the first embodiment of the utility model；
Fig. 2 is the system topological figure of second of embodiment of the utility model；
Fig. 3 is the system topological figure of the third embodiment of the utility model；
Fig. 4 is a kind of right side structural representation of embodiment door opening state of the utility model charger；
Fig. 5 is a kind of left view structural representation of embodiment door opening state of the utility model charger；
Fig. 6 is a kind of main structure diagram of embodiment door opening state of the utility model charger.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The charging system of the utility model structure energy arbitrary power dispatching of rush-harvesting and rush-planting, is configured with the charging module N group (chargings
Module is AC-DC module or DC-DC module), power dispatching unit (CL5899-MNU monitor boards) needs control 2* (N+1) a straight
Contactor is flowed, wherein half quantity is positive power dispatching D.C. contactor, and half quantity contacts for cathode power dispatching direct current
Device.The charging that the middle-size and small-size passenger car of public vehicles should be met according to charging station needs the power supply need for meeting special bus again
It wants, two charging guns can arbitrarily dispatch all charging modules of whole system to meet maximum according to the demand that vehicle is sent out in BMS
The needs of electric current output.
The utility model basic conception is：The rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching is realized using D.C. contactor,
Including two charging guns, multigroup charging module, power dispatching unit, two charging guns, which are separately connected, is useful for carry charging
The DC bus of module is both provided with busbar D.C. contactor on two DC bus；Multigroup charging module is arranged in order,
Power dispatching D.C. contactor is connected between adjacent charging module, power dispatching unit is contacted by controlling power dispatching direct current
The on off operating mode of device is to control the charging module quantity of carry under each DC bus.Two charging guns are the first charging gun
With the second charging gun, corresponding two DC bus are the first DC bus and the second DC bus, and corresponding two groups of busbar direct currents connect
Tentaculum is the first busbar D.C. contactor and the second busbar D.C. contactor, and multigroup charging module fills for the 1st group to M groups
Electric module, first group of charging module are connect with the first DC bus, and the M groups charging module and the second DC bus connect
It connects, the N groups charging module is connect by power dispatching D.C. contactor with upper one group of charging module, wherein M is more than 1
Natural number, N be more than 1 and less than or equal to M natural number.
As shown in Figures 1 to 3, in the present embodiment, charger further includes accounting management unit 5899-TCU, monitor board and correspondence
In more multiple interface board 5899-CCU charging gun；The output end of the accounting management unit 5899-TCU is connected with indicator light
And display screen, indicator light are connect by SPI communication mode with accounting management unit 5899-TCU, the accounting management unit
The input terminal of 5899-TCU is connected with card reader, and the accounting management unit 5899-TCU is connect with multiple respectively by CAN bus
Oralia 5899-CCU connections；The interface board 5899-CCU is respectively connected with the direct current energy meter for detecting charging gun electric current, institute
Multiple interface board 5899-CCU are stated to connect with monitor board by CAN bus；The monitor board passes through CAN bus and multigroup charging
Module (abbreviation module in Fig. 1 to 3) communicates to connect；The break-make shape of the busbar D.C. contactor and power dispatching D.C. contactor
State distinguishes the control of monitored plate and/or interface board 5899-CCU.The charger further includes cabinet, on the left of the cabinet and/
Or right side and/or front and/or back side setting there are one can external-open water-proof cabinet door.
As shown in Figures 4 to 6, wherein charger includes headlamp 1, loud speaker 2, door status switch 3, lamp plate 4, switch electricity
Source 5~8, breaker of plastic casing 9, AC energy meter 10, current transformer 11, dry practice seat 12, scram button 13, display screen 14 are read
Card device 15, safety chip 16, DC charging rifle 17, accounting management unit TCU18, monitor board 19, control panel 20, direct current energy meter
21, A.C. contactor 22, connector 23, D.C. contactor 24, current divider 25, fuse 26, fan 27, Fan Transit Unit 28,
Lightning protection device 29, breaker 30 safeguard socket 31, relay 32, terminal fixing members 33, mark terminal 34, fixed bridgeware 35,
Terminal marking number 36, terminal 37, phoenix terminal 38, terminal partition board 39~40, phase partition 41, humiture transducer 42, heating
Device 43, rectification module 44, rifle pinboard 45, CAN bus pinboard 46, panel terminal 47.Specifically, the right side of the charger
Middle part is provided with air inlet, and the left upper portion of the charger is provided with air outlet, and the air inlet sucks cold air, by each
The hot-air heated after charging module is blown out from frontal left middle and upper part.The charging module is AC-DC charging modules, institute
It states AC-DC charging modules 220 and is connected with AC input lines and DC leadout, the AC input lines are arranged under charger
Portion, the charging module are arranged in the middle part of charger, and the DC leadout is arranged in charger top.The charger includes
Positive front door, the front door be equipped with liquid crystal display LCD14, accounting management unit 18, charging panel 20, monitor board 19,
Card reader DKQ15, LED Unit 4, scram button 13；It is disposed with displayable Temperature Humidity Sensor in the middle part of the front door, it is warm and humid
Degree sensor is connected to monitor board by 485 signals, and front door middle and lower part is disposed with heating and dehumidification device, is obtained by monitor board 19
Charger inside humiture situation control heating and dehumidification device start and stop controlling humiture inside charger.The charging
Machine middle and upper part is provided with hook of hanging arms, and there are one to hold the dry practice seat 12 of rifle, dry practice seat 12 is internally provided with the other setting of hook of hanging arms
To feed back the sensor (infrared sensor or Hall sensor etc.) whether rifle playbacks, the dry node signal of the sensor or
Signal feeds back to monitor board 19, and the state whether charging gun playbacks can be shown on liquid crystal display LCD14 and is existed by setting
Speech horn on front door plays the voice prompt that please rifle charging gun is playbacked.
Embodiment one
As shown in Figure 1, a machine rush-harvesting and rush-planting DC charging motor, is configured with every and can be transferred through all charging module charging currents
Charging gun, it is any one that charging gun can be reached full power output so that car owner can be from any one being enjoyed on charging gun
The fast charge service of whole stake.
All charging modules are divided into eight groups by one machine rush-harvesting and rush-planting DC charging motor, and every group is made of 1 charging module, direct current
The direct carry of output end under a DC bus or indirectly by D.C. contactor parallel connection carry under two DC bus,
The other end of totally two DC bus, DC bus is connected with charge control D.C. contactor (busbar D.C. contactor), charging
The other end of control D.C. contactor is connected to DC charging rifle, and all being bridged between every two DC bus has power dispatching direct current
Contactor.Power dispatching D.C. contactor between every two DC bus, two DC bus and corresponding busbar direct current connect
Tentaculum, two DC charging gun-shapeds at nine groups of 18 D.C. contactors of " C " font annular access only allow have following three kinds
State：1.Ka or Kb D.C. contactors are attracted, i.e., there was only one group of actuation close to the charging gun of vehicle side control D.C. contactor, right
K1, K2, K3, K4, K5, K6, the K7 answered can arbitrary assembled state, with power demand increase from first close to be attracted
The nearest power dispatching D.C. contactor actuation of this group of busbar D.C. contactor starts (if Ka is attracted, then being inhaled since K1
It closes, as power demand increase is attracted K2, K3, K4, K5, K6, K7 successively, often increases and be attracted one group of power dispatching direct current contact
The output power of device, charging gun is increased by 15kw；If Kb actuations are so attracted since K7, as power demand increase is inhaled successively
K6, K5, K4, K3, K2, K1 are closed, often increases and is attracted one group of power dispatching D.C. contactor, the output power of charging gun is increased by
15kw), that charging gun at this time for the actuation of busbar D.C. contactor is in use, which is mounted with several fill at this time
Electric module just carries out direct current output with much power to electric vehicle.2.Ka and Kb D.C. contactors are all attracted, K1, K2, K3,
K4, K5, K6, K7 must wherein ensure when two cars charge simultaneously there are one the disconnection of above D.C. contactor not over " big
The ring-like access of C " fonts-" short circuit " consequence caused by power dispatching loop.3.Ka and Kb D.C. contactors all disconnect, K1, K2,
Totally 7 groups of D.C. contactors can not directly be assisted with CAN communication by state constraint by charge control system by K3, K4, K5, K6, K7
The agreement format of view, which says the word, shuts down all charging modules.
A kind of typical machine rush-harvesting and rush-planting charger, (Fig. 1 only expresses positive DC contactor to system topological as shown in Figure 1
Layout configuration, cathode contact device layout configuration it is completely the same, Examples below two and embodiment three also only express anode
The layout of D.C. contactor configures, and no longer repeats here), system only configures two charging guns, the corresponding direct current of every charging gun
The charging module quantity of carry changes with the variation of seven groups of D.C. contactor combinations of states of K1-K7 under busbar, every charging
Rifle all configures can be by the rifle line of 250A.
Every power for charging gun override being called the nearest AC-DC charging modules of carry under corresponding DC bus.
D.C. contactor K1, K2, K3, K4, K5, K6, K7 between charging gun and charging gun can be using overcurrent capability 250A's
D.C. contactor.
Ka, Kb, K1, K2, K3, K4, K5, K6, K7,9 groups of D.C. contactors on this nine groups ring-like accesses of " big C " font are only
Allow there are following three kinds of states：1.Ka or Kb D.C. contactors are attracted, i.e., control D.C. contactor close to the charging gun of vehicle side
Only one group of actuation, corresponding K1, K2, K3, K4, K5, K6, K7 can arbitrary assembled state, with power demand increase from
First nearest power dispatching D.C. contactor actuation close to this group of busbar D.C. contactor being attracted starts (if Ka inhales
It closes, then being attracted since K1, as power demand increase is attracted K2, K3, K4, K5, K6, K7 successively, often increases and be attracted one group
The output power of power dispatching D.C. contactor, charging gun is increased by 15kw；If Kb actuations are so attracted since K7, with work(
Rate increase in demand is attracted K6, K5, K4, K3, K2, K1 successively, often increases and is attracted one group of power dispatching D.C. contactor, charging gun
Output power is increased by 15kw), at this time for busbar D.C. contactor be attracted that charging gun it is in use, the charging gun this
When be mounted with several charging modules just with much power to electric vehicle carry out direct current output.2.Ka and Kb D.C. contactors are all inhaled
It closes, K1, K2, K3, K4, K5, K6, K7 wherein must ensure that two cars charge simultaneously there are one the disconnection of above D.C. contactor
When not over the ring-like access of " big C " font-" short circuit " consequence caused by power dispatching loop.3.Ka and Kb D.C. contactors are all
It disconnects, totally 7 groups of D.C. contactors can not be direct by charge control system by state constraint by K1, K2, K3, K4, K5, K6, K7
It is said the word with the agreement format of CAN communication agreement and shuts down all charging modules.
Embodiment two
As shown in Fig. 2, all charging modules are divided into six groups, every group by 1 charging module by a machine rush-harvesting and rush-planting DC charging motor
Composition, the direct carry of DC output end are straight at two by D.C. contactor parallel connection carry under a DC bus or indirectly
It flows under busbar, totally two DC bus, the other end of DC bus is connected with (the busbar direct current contact of charge control D.C. contactor
Device), the other end of charge control D.C. contactor is connected to DC charging rifle, and all being bridged between every two DC bus has power
Dispatch D.C. contactor.Power dispatching D.C. contactor between every two DC bus, two DC bus and corresponding mother
Line D.C. contactor, two DC charging gun-shapeds at seven groups of 14 D.C. contactors of " C " font annular access only allow to have
Three kinds of states below：1.Ka or Kb D.C. contactors are attracted, i.e., there was only one close to the charging gun of vehicle side control D.C. contactor
Group be attracted, corresponding K1, K2, K3, K4, K5 can arbitrary assembled state, with power demand increase from first close to inhale
The nearest power dispatching D.C. contactor actuation of this group of busbar D.C. contactor closed starts (if Ka is attracted, then being opened from K1
Begin to be attracted, as power demand increase is attracted K2, K3, K4, K5 successively, often increases and be attracted one group of power dispatching D.C. contactor,
The output power of charging gun is increased by 20kw；If Kb actuations are so attracted since K5, as power demand increase is attracted successively
K4, K3, K2, K1 often increase and are attracted one group of power dispatching D.C. contactor, and the output power of charging gun is increased by 20kw), at this time
For busbar D.C. contactor be attracted that charging gun it is in use, the charging gun be mounted with several charging modules at this time just with
Much power carries out direct current output to electric vehicle.2.Ka and Kb D.C. contactors are all attracted, and K1, K2, K3, K4, K5 wherein must
It must ensure when two cars charge simultaneously not over the ring-like access-work(of " big C " font there are one the disconnection of above D.C. contactor
Rate dispatches " short circuit " consequence caused by loop.3.Ka and Kb D.C. contactors all disconnect, and totally 5 groups of direct currents connect by K1, K2, K3, K4, K5
Tentaculum can not directly be said the word with the agreement format of CAN communication agreement by charge control system by state constraint and shut down institute
There is charging module.
A kind of typical machine rush-harvesting and rush-planting charger, system topological is as shown in Fig. 2, two charging guns of system configuration.Every is filled
Under the corresponding DC bus of electric rifle the charging module quantity of carry with the variation of seven groups of D.C. contactor combinations of states of K1-K5 and
Variation, every charging gun is all configured can be by the rifle line of 250A.The power of charging module depicted below can be filling for 15kw
Electric module can also be the module of 20kw.Following statement is illustrated by taking the module of 20kw as an example.
Every power for charging gun override being called the nearest AC-DC charging modules of carry under corresponding DC bus.
D.C. contactor K1, K2, K3, K4, K5 between charging gun and charging gun can be connect using the direct current of overcurrent capability 250A
Tentaculum.
Ka, Kb, K1, K2, K3, K4, K5,7 groups of D.C. contactors on this seven groups ring-like accesses of " big C " font only allow to have
Following four state：1.Ka or Kb D.C. contactors are attracted, i.e., there was only one close to the charging gun of vehicle side control D.C. contactor
Group be attracted, corresponding K1, K2, K3, K4, K5 can arbitrary assembled state, with power demand increase from first close to inhale
The nearest power dispatching D.C. contactor actuation of this group of busbar D.C. contactor closed starts (if Ka is attracted, then being opened from K1
Begin to be attracted, as power demand increase is attracted K2, K3, K4, K5 successively, often increases and be attracted one group of power dispatching D.C. contactor,
The output power of charging gun is increased by 20kw；If Kb actuations are so attracted since K5, as power demand increase is attracted successively
K6, K5, K4, K3, K2, K1 often increase and are attracted one group of power dispatching D.C. contactor, and the output power of charging gun is increased by
20kw), that charging gun at this time for the actuation of busbar D.C. contactor is in use, which is mounted with several fill at this time
Electric module just carries out direct current output with much power to electric vehicle.2.Ka and Kb D.C. contactors are all attracted, K1, K2, K3,
K4, K5 must wherein ensure when two cars charge simultaneously there are one the disconnection of above D.C. contactor not over " big C " font
" short circuit " consequence caused by ring-like access-power dispatching loop.3.Ka and Kb D.C. contactors all disconnect, K1, K2, K3, K4, K5
Totally 5 groups of D.C. contactors can not directly be sent out with the agreement format of CAN communication agreement by state constraint by charge control system
All charging modules are shut down in order.
Embodiment three
As shown in figure 3, all charging modules are divided into five groups, every group by 1 charging module by a machine rush-harvesting and rush-planting DC charging motor
Composition, the direct carry of DC output end are straight at two by D.C. contactor parallel connection carry under a DC bus or indirectly
It flows under busbar, totally two DC bus, the other end of DC bus is connected with (the busbar direct current contact of charge control D.C. contactor
Device), the other end of charge control D.C. contactor is connected to DC charging rifle, and all being bridged between every two DC bus has power
Dispatch D.C. contactor.Power dispatching D.C. contactor between every two DC bus, two DC bus and corresponding mother
Line D.C. contactor, two DC charging gun-shapeds at six groups of 12 D.C. contactors of " C " font annular access only allow to have
Three kinds of states below：1.Ka or Kb D.C. contactors are attracted, i.e., there was only one close to the charging gun of vehicle side control D.C. contactor
Group be attracted, corresponding K1, K2, K3, K4 can arbitrary assembled state, with power demand increase from first close to be attracted
The nearest power dispatching D.C. contactor actuation of this group of busbar D.C. contactor starts (if Ka is attracted, then being inhaled since K1
It closes, as power demand increase is attracted K2, K3, K4 successively, often increases and be attracted one group of power dispatching D.C. contactor, charging gun
Output power is increased by 30kw；If Kb actuations are so attracted since K4, as power demand increase is attracted K3, K2, K1 successively,
Often increase and be attracted one group of power dispatching D.C. contactor, the output power of charging gun is increased by 30kw), it is connect at this time for busbar direct current
That charging gun that tentaculum is attracted is in use, which is mounted with several charging modules just with much power to electricity at this time
Electrical automobile carries out direct current output.2.Ka and Kb D.C. contactors are all attracted, and K1, K2, K3, K4 are wherein necessary, and there are one above straight
It flows contactor to disconnect, ensure when two cars charge simultaneously not over caused by the ring-like access of " big C " font-power dispatching loop
" short circuit " consequence.3.Ka and Kb D.C. contactors all disconnect, and totally 4 groups of D.C. contactors can not be by state about by K1, K2, K3, K4
Beam is directly said the word with the agreement format of CAN communication agreement by charge control system and shuts down all charging modules.
A kind of typical machine rush-harvesting and rush-planting charger, system topological is as shown in figure 3, two charging guns of system configuration.Every is filled
Under the corresponding DC bus of electric rifle the charging module quantity of carry with the variation of seven groups of D.C. contactor combinations of states of K1-K4 and
Variation, every charging gun is all configured can be by the rifle line of 250A.The power of charging module depicted below can be the mould of 15kw
Block can also be the module of 20kw, can also be the module of 30kw.Following statement is illustrated by taking the module of 30kw as an example
's.
Every power for charging gun override being called the nearest AC-DC charging modules of carry under corresponding DC bus.
D.C. contactor K1, K2, K3, K4 between charging gun and charging gun can be contacted using the direct current of overcurrent capability 250A
Device.
6 groups of D.C. contactors on this six groups ring-like accesses of " big C " font of Ka, Kb, K1, K2, K3, K4 only allow to have following
Four kinds of states：1.Ka or Kb D.C. contactors are attracted, i.e., there was only one group of suction close to the charging gun of vehicle side control D.C. contactor
Close, corresponding K1, K2, K3, K4 can arbitrary assembled state, with power demand increase from first close to be attracted this group
The nearest power dispatching D.C. contactor actuation of busbar D.C. contactor start (if Ka is attracted, then be attracted since K1, with
It power demand increase and is attracted K2, K3, K4 successively, often increase and be attracted one group of power dispatching D.C. contactor, the output of charging gun
Power is increased by 30kw；If Kb actuations are so attracted since K4, as power demand increase is attracted K3, K2, K1 successively, often increase
Add and be attracted one group of power dispatching D.C. contactor, the output power of charging gun is increased by 30kw), it is at this time busbar D.C. contactor
That charging gun being attracted is in use, which is mounted with several charging modules just with much power to electronic vapour at this time
Vehicle carries out direct current output.2.Ka and Kb D.C. contactors are all attracted, and K1, K2, K3, K4 must wherein connect there are one above direct current
Tentaculum disconnects, and ensures when two cars charge simultaneously not over " short caused by the ring-like access of " big C " font-power dispatching loop
Road " consequence.3.Ka and Kb D.C. contactors all disconnect, K1, K2, K3, K4 totally 4 groups of D.C. contactors can not by state constraint,
It is directly said the word with the agreement format of CAN communication agreement by charge control system and shuts down all charging modules.
The rush-harvesting and rush-planting DC charging system of this framework can become 12 250A D.C. contactors originally with 4
The D.C. contactor of 150A adds the D.C. contactor of 8 250A, reduces cost.
The utility model is by selecting the break-make of each power dispatching D.C. contactor to control one of which or multigroup respectively
Charging module is connect with charging gun to export charging current, and overcoming rush-harvesting and rush-planting charging pile system existing in the prior art can not be real
The technical issues of existing flexible dispatching, the flexible dispatching of charging pile charge power is realized, and any charging module schedulable passes through
Any charging gun exports charging current, to improve charging module utilization rate, and then reduces the cost of charging pile, has good
Economic and social benefit.The utility model can be widely applied to various rush-harvesting and rush-planting DC charging motors.
It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation is replaced, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. realizing the rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching using D.C. contactor, which is characterized in that charge including two
Rifle, multigroup charging module, power dispatching unit,
Two charging guns are separately connected the DC bus for being useful for carry charging module, are all provided on two DC bus
It is equipped with busbar D.C. contactor；
Multigroup charging module is arranged in order, and power dispatching D.C. contactor, power dispatching list are connected between adjacent charging module
Member by control power dispatching D.C. contactor on off operating mode to control the charging module quantity of carry under each DC bus,
The charger further includes cabinet, and there are one can external-open on the left of the cabinet and/or right side and/or front and/or back side setting
Water-proof cabinet door.
2. the rush-harvesting and rush-planting DC charging motor according to claim 1 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that two charging guns are the first charging gun and the second charging gun, and corresponding two DC bus are the first DC bus
With the second DC bus, corresponding two groups of busbar D.C. contactors are that the first busbar D.C. contactor and the second busbar direct current contact
Device, multigroup charging module are the 1st group to M group charging modules, and first group of charging module and the first DC bus connect
It connects, the M groups charging module is connect with the second DC bus, and the N groups charging module is contacted by power dispatching direct current
Device is connect with upper one group of charging module, wherein M is the natural number more than 1, and N is the natural number more than 1 and less than or equal to M.
3. the rush-harvesting and rush-planting DC charging motor according to claim 1 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that the M is equal to 8,6,5 or 4.
4. according to any one of claims 1 to 3 realize that the rush-harvesting and rush-planting direct current of arbitrary power dispatching fills using D.C. contactor
Motor, which is characterized in that the DC charging motor includes following three kinds of working conditions：
C1, only one group of actuation in two groups of busbar D.C. contactors, power dispatching unit is according to charge power demand control each group
The on off operating mode of power dispatching D.C. contactor is controlled to control the charging module quantity of carry under corresponding DC bus
Make the power of corresponding charging gun direct current output；
C2, two groups of busbar D.C. contactors are all attracted, then must at least one group of direct current in multigroup power dispatching D.C. contactor
Contactor disconnects, power dispatching unit according to the on off operating mode of charge power demand control each group power dispatching D.C. contactor from
And the charging module quantity of carry under two DC bus is controlled, and then control the power of two charging gun direct current outputs；
C3, two groups of busbar D.C. contactors all disconnect, are said the word by power dispatching unit and shut down all charging modules.
5. the rush-harvesting and rush-planting DC charging motor according to claim 1 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is, further includes accounting management unit and two interface boards corresponding to two charging guns；
The output end of the accounting management unit is connected with indicator light and display screen, the input terminal connection of the accounting management unit
There are card reader, the accounting management unit to be connect respectively with multiple interface boards by CAN bus；
The interface board is respectively connected with the direct current energy meter for detecting charging gun electric current, and described two interface boards pass through CAN
Bus is connect with power dispatching unit；
The power dispatching unit is communicated to connect by CAN bus and multigroup charging module；
The on off operating mode of the busbar D.C. contactor and power dispatching D.C. contactor is respectively by power dispatching unit and interface
The control of plate.
6. the rush-harvesting and rush-planting DC charging motor according to claim 5 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that the charging module is AC-DC module or DC-DC module.
7. the rush-harvesting and rush-planting DC charging motor according to claim 6 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that the right side central of the charger is provided with air inlet, and the left upper portion of the charger is provided with air outlet, described
Air inlet sucks cold air, and the hot-air heated after each charging module is blown out from frontal left middle and upper part.
8. the rush-harvesting and rush-planting DC charging motor according to claim 7 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that the charging module is AC-DC charging modules, and the AC-DC charging modules are connected with AC input lines and direct current is defeated
Outlet, the AC input lines are arranged in charger lower part, and the charging module is arranged in the middle part of charger, the direct current output
Line is arranged in charger top.
9. the rush-harvesting and rush-planting DC charging motor according to claim 8 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that the charger includes positive front door, and the front door is equipped with liquid crystal display, accounting management unit, charge control
Plate, monitor board, card reader, LED Unit, scram button；It is disposed with displayable Temperature Humidity Sensor in the middle part of the front door, temperature
Humidity sensor is connected to monitor board by 485 signals, and front door middle and lower part is disposed with heating and dehumidification device, is obtained by monitor board
Charger inside humiture situation control heating and dehumidification device start and stop controlling humiture inside charger.
10. the rush-harvesting and rush-planting DC charging motor according to claim 9 for realizing arbitrary power dispatching using D.C. contactor, special
Sign is that the charger middle and upper part is provided with hook of hanging arms, and there are one the other settings of line of hanging arms hook to hold the dry practice seat of rifle, dry practice
Seat is internally provided with to feed back the sensor whether rifle playbacks, and the sensor is fed back to dry node signal or 485 signals
Monitor board, the state whether charging gun playbacks can be shown on liquid crystal display and the speech horn by being arranged on front door is broadcast
Put the voice prompt that please rifle charging gun is playbacked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924525.XU CN207809088U (en) | 2017-12-30 | 2017-12-30 | The rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching is realized using D.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924525.XU CN207809088U (en) | 2017-12-30 | 2017-12-30 | The rush-harvesting and rush-planting DC charging motor of arbitrary power dispatching is realized using D.C. contactor |
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|---|---|
| CN207809088U true CN207809088U (en) | 2018-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733364A (en) * | 2019-09-20 | 2020-01-31 | 新亚东方电能科技有限公司 | Power supply system and intelligent power supply method of double-gun direct-current power supply machines |
| CN113232545A (en) * | 2021-07-01 | 2021-08-10 | 江西瑞华智能科技有限公司 | Modular double-gun direct-current charging pile |
-
2017
- 2017-12-30 CN CN201721924525.XU patent/CN207809088U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733364A (en) * | 2019-09-20 | 2020-01-31 | 新亚东方电能科技有限公司 | Power supply system and intelligent power supply method of double-gun direct-current power supply machines |
| CN113232545A (en) * | 2021-07-01 | 2021-08-10 | 江西瑞华智能科技有限公司 | Modular double-gun direct-current charging pile |
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