CN107579565A - Electric car charging voltage crossover sub - Google Patents
Electric car charging voltage crossover sub Download PDFInfo
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- CN107579565A CN107579565A CN201710820416.1A CN201710820416A CN107579565A CN 107579565 A CN107579565 A CN 107579565A CN 201710820416 A CN201710820416 A CN 201710820416A CN 107579565 A CN107579565 A CN 107579565A
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- voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of electric car charging voltage crossover sub, belong to electric car charging technique field, it includes joint shell, input port and output port in joint shell, charging circuit is set in joint shell, charging circuit includes input voltage identification module, the instant voltage identification module of electric car, middle control module, DC/DC voltage regulating modules；Wherein, the input voltage for the external power source that the identification of input voltage identification module inputs from input port, the instant voltage of the instant voltage identification module identification charging equipment of electric car；Charge capacity differential pressure value and instant charging voltage are set in middle control module, instant charging voltage is instant voltage and charge capacity differential pressure value sum；Middle control module obtains input voltage by input voltage identification module and obtains instant voltage by the instant voltage identification module of electric car.The present invention can connect the charger not matched that and electric car, and fast and steady in whole charging process, the charging rate of electric car.
Description
Technical field
The present invention relates to electric car charging technique field, more particularly to a kind of electric car charging voltage crossover sub.
Background technology
In China, one of mobile instrument that electric car is gone on a journey as people, its flexibility and convenience obtain the happiness of people
Love.For electric car because the quantity of its internal battery differs, its quota voltage can be divided into 48V, 60V, 72V, 84V, 96V, and for every
The electric car of one voltage amount, matching have the charger of same voltage amount, in order to which electric car charges, still, different electricity
Pressing can not directly use between the charger of amount and the electric car that its voltage is incompatible, and this does not have for needing to charge
For the electric car for carrying charger, it is necessary to which finding the charger to match can charge, and this limits electricity to a certain extent
The charging of motor-car and the use of charger, in addition, when re-replacing the electric car of another voltage amount, original electric car fills
Electrical equipment can not just use, and this is for the charger also in kilter, undoubtedly a kind of waste of the energy.
Furthermore existing charging system majority is charged according to the quota voltage of electric car, and the output of charger is electric
Pressure is also the quota voltage of electric car, when electric car charges, in initial state of charge, because the instant voltage of electric car is with filling
The voltage difference of the output voltage of electrical equipment is bigger, and initial charge speed can be than very fast, when the instant voltage of electric car moves closer to
During the output voltage of charger, both voltage differences are gradually reduced, and the charging rate of electric car gradually slows down, until be full of, because
This, for existing charging system, voltage difference during charging is not sufficiently stable, and overall charged state to slow, is filled by urgency
Electric speed is uneven and not steady enough, and this have impact on the charging interval of electric car to a certain extent.
Therefore, it is in view of the above-mentioned problems, the present invention is intended to provide a kind of matching used from the charger of different voltage amounts
Electric car charging voltage crossover sub.
The content of the invention
In view of the above, the present invention provides a kind of electric car charging voltage crossover sub, and the electric car charging voltage turns
Changing-over head can connect the charger not matched that and electric car, and in whole charging process, the charging speed of electric car
Degree is fast and steady.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of electric car charging voltage crossover sub, including joint shell, the input port in joint shell and
Output port, charging circuit is set in the joint shell, and the charging circuit includes the instant voltage identification module of electric car, middle control
Module, DC/DC voltage regulating modules；
Wherein, the instant voltage of the instant voltage identification module identification charging equipment of the electric car, and will be described instant
Voltage issues middle control module；Charge capacity differential pressure value and instant charging voltage, the charging electricity immediately are set in the middle control module
Press as underrange, it is determined by the voltage immediately with charge capacity differential pressure value sum；
When quota voltage of the voltage immediately less than charging equipment, the middle control module drive DC/DC pressure regulation moulds
Block is run, and the input voltage of the external power source inputted from input port is converted into middle control module institute by the DC/DC voltage regulating modules
The instant charging voltage determined, the charging voltage immediately transport to charging equipment by output port again；When the electricity immediately
When pressure is equal to quota voltage, the charging circuit stops charging.
Further, the charging circuit also includes electric car rated voltage identification module, the electric car rated voltage
Identification module is used for the quota voltage of charging equipment described in automatic identification, and the quota voltage is passed into middle control module.
Further, the charging circuit also includes input voltage identification module, and the input voltage identification module is automatic
The input voltage of the external power source from input port input is identified, and the input voltage is passed into middle control module.
Further, the DC/DC voltage regulating modules have primary winding and secondary coil, wherein, the primary winding connects
Input port is connect, the secondary coil connects output port；The secondary coil include body frame, the core on body frame,
Electric coil of the uniform winding on core, slide is also equipped with the body frame, slides actuator；The slide is to lead
Body, its one end are pressure regulation output end, and the pressure regulation output end will convert the voltage output of gained through primary winding and secondary coil,
The other end of the slide is contact, and connects electric coil by the contact, and the electric coil is along core length direction
On often circle electric wire be equipped with the contact mouth being used cooperatively with the contact；The slide is arranged on master by sliding actuator
On frame, it is slided in the presence of the slip actuator along core length direction, and on sliding process and electric coil
Contact mouth connection；Module is controlled in the slip actuator connection, it is run by the middle control module drive.
Further, the slip actuator is lifting hydraulic cylinder.
Further, the slip actuator includes motor and screw mandrel, and the motor is arranged on body frame, the output of its motor
End connects the screw mandrel, and the screw mandrel is erected on body frame, and is rotatablely connected with the body frame, and the slide is arranged on screw mandrel
On；The screw mandrel is insulator, and module is controlled in the motor connection.
Further, the voltage conversion joint also includes the charging head with charging socket and charging plug, described to fill
The detachably connected output port of dateline and charging equipment, wherein, the charging socket connects output port, the charging
Plug connects charging equipment；The charging plug is matched with the charge port of electric motor car with two wheels or filled with four-wheel electric automobile
Power port matches.
Further, the voltage conversion joint also includes the display panel module being arranged in the joint shell, described
Control module in display panel module connection, and input voltage and instant voltage obtained by the middle control module, after by the input
Voltage and instant voltage are shown；The display panel module can also show quota voltage.
Further, the display panel module is touch-screen, for being manually entered the charge capacity differential pressure value and waiting to fill
The quota voltage of electric equipment.
Compared with prior art, the invention has the advantages that：
1st, the present invention designs a kind of electric car charging voltage crossover sub, and the voltage conversion joint can be with any voltage amount
Charger be used cooperatively, its mainly the original output voltage of charger is converted into by built-in DC/DC voltage regulating modules
Corresponding charging voltage charges what is realized to be defeated by electric car to be charged, and therefore, the present invention can reuse charger, keep away
The wasting of resources of original charger after the electric car of different voltage amounts free of replacement, while also electric car can be made to be not limited to arbitrarily
The charger of voltage amount, improve the convenience that electric car uses.
2nd, the voltage conversion joint designed by the present invention controls the operation of DC/DC voltage regulating modules by middle control module so that
The change that the charging voltage that DC/DC voltage regulating modules are converted is one and the difference of the instant voltage of electric car to be charged is definite value
Change magnitude of voltage, to be charged such that electric car to be charged is fast and flat in whole charging process charging rate by level pressure difference
Surely, this charging rate for improving electric car to a certain extent, and the stability of electric car charging and security are preferable.
Brief description of the drawings
Fig. 1 is a kind of structure schematic diagram of electric car charging voltage crossover sub of the present invention.
Fig. 2 is Fig. 1 system architecture diagram.
Fig. 3 is the partial structural diagram of DC/DC voltage regulating modules of the present invention.
Fig. 4 is the structural representation of Fig. 3 another embodiments.
Main element symbol description
In figure, joint shell 1, input port 2, output port 3, display panel module 4, charging head 5, charging plug 51, fill
Electrical socket 52, primary winding 6, secondary coil 7, body frame 71, core 72, electric coil 73, contact mouth 731, slide 74, contact
741st, actuator 75, lifting hydraulic cylinder 751, motor 752, screw mandrel 753 are slided.
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Fig. 1 and Fig. 2 are referred to, in a kind of better embodiment of the present invention, a kind of electric car charging voltage conversion connects
Head, including a joint shell 1, an input port 2 and an output port 3 in the joint shell 1, wherein, outside joint
A charging circuit is set in shell 1, the charging circuit includes input voltage identification module, the instant voltage identification module of electric car, middle control
Module, DC/DC voltage regulating modules.Wherein, the external power source that input voltage identification module automatic identification inputs from input port 2 it is defeated
Enter voltage, and the input voltage is passed into middle control module, the instant voltage identification module identification charging equipment of electric car
Instant voltage, and the voltage immediately is issued into middle control module；Charge capacity differential pressure value and immediately charging electricity are set in middle control module
Pressure, not to be colonized, it is determined the instant charging voltage by instant voltage and charge capacity differential pressure value sum.
When instant voltage is less than the quota voltage of charging equipment, middle control module drive DC/DC voltage regulating modules operation,
The input voltage of the external power source inputted from input port 2 is converted into determined by middle control module immediately by DC/DC voltage regulating modules
Charging voltage, the charging voltage immediately transport to charging equipment by output port 3 again；When instant voltage is equal to quota voltage
When, charging circuit stops charging.
Voltage conversion joint designed by the present invention coordinates charger to use, when rated voltage and the electricity to be charged of charger
When the rated voltage of motor-car is inconsistent, it is corresponding that the output voltage of charger can be converted into electric car by the voltage conversion joint
Charging voltage, so that charger is mutually applicable with electric car to be charged；Furthermore voltage conversion joint of the invention is in conversion electricity
It is to be exported in the form of quota degree voltage difference when pressure, i.e. the voltage conversion joint output voltage (instant charging voltage)
It is variable, but the difference of the output voltage (instant charging voltage) and the instant voltage of electric car to be charged immobilizes, to pass through
The form of the quota degree voltage difference make it that the charging rate of electric car to be charged is steady, without after first urgency delay form,
This also increases the charging rate of electric car to be charged, the safety and stability of charging.
In the present invention, the voltage conversion executive item of the voltage conversion joint is DC/DC voltage regulating modules, and it is by as total
The middle control module of control controls according to the quota voltage of input voltage, instant voltage and electric car to be charged, wherein, electricity to be charged
The quota voltage of motor-car inputs after can manually checking, can also obtain automatically.Preferably, the quota voltage of electric car to be charged is certainly
It is dynamic to obtain, what it was mainly realized by the electric car rated voltage identification module set in charging circuit, the specified electricity of the electric car
Press identification module to be used for the quota voltage of automatic identification charging equipment, and will identify that the quota voltage drawn passes to middle control mould
Block, the numerical value of comparative analysis quota voltage and instant voltage, rear both situations of basis determine the need for controlling middle control module again
Charging circuit is charged, and specifically controls the pressure regulation amount of DC/DC voltage regulating modules.
Further, Fig. 3 and Fig. 4 are referred to, DC/DC voltage regulating modules of the invention have primary winding 6 and secondary coil
7, wherein, primary winding 6 connects input port 2, and secondary coil 7 connects the line of output port 3, primary winding 6 and secondary coil 7
Therefore circle, is adjusted than as input voltage and the voltage ratio of instant charging voltage in middle control module control DC/DC voltage regulating modules
During pressure, DC/DC voltage regulating modules are mainly by changing the coil of primary winding 6 and secondary coil 7 than carrying out pressure regulation.In this reality
Apply in example, the number of turns of primary winding 6 immobilizes, and the number of turns of secondary coil 7 is variable, by changing the number of turns of secondary coil 7 i.e.
The output voltage of adjustable DC/DC voltage regulating modules, therefore, the present invention is improved secondary coil 7, specific after its improvement
Structure is：Secondary coil 7 includes body frame 71, core 72, uniform winding on body frame 71 electric coil on core 72
73, slide 74 is also equipped with body frame 71, slides actuator 75；Slide 74 is conductor, and its one end is pressure regulation output end, is adjusted
Pressure output end will convert the voltage output of gained through primary winding 6 and secondary coil 7, and the other end of slide 74 is contact 741,
And electric coil 73 is connected by contact 741, electric coil 73 is being equipped with and contact along the often circle electric wire on the length direction of core 72
The 741 contact mouths 731 being used cooperatively；For slide 74 by sliding actuator 75 on body frame 71, it is sliding actuator
Slide along the length direction of core 72 in the presence of 75, and connected in sliding process with the contact mouth 731 on electric coil 73；Slide
Actuator 75 controls module in connecting, and it is run by middle control module drive.When DC/DC voltage regulating modules need pressure regulation, middle control module
The number of turns of electric coil 73 of secondary coil 7 is calculated according to input voltage and instant charging voltage, then middle control module controls again
Slide actuator 75 to run, slide actuator 75 and then promote slide 74 to slide, when slide 74 is run to slide 74 and electricity
When wire circle between the input of coil 73 is equal to 73 number of turns of electric coil that middle control module is calculated, middle control module control
Slip actuator 75 is out of service, and now DC/DC voltage regulating modules pressure regulation terminates.
Further, in the secondary coil 7 of DC/DC voltage regulating modules, slip actuator 75 is lifting hydraulic cylinder 751, with
Slide 74 is promoted to slide by the lifting stretch form of lifting hydraulic cylinder 751.In addition, slide actuator 75 or screw mandrel
753 components, i.e. sliding actuator 75 includes motor 752 and screw mandrel 753, and motor 752 controls module in connecting, and it is arranged on body frame
On 71, the output end connection wire rod 753 of motor 752, the screw mandrel 753 is erected on body frame 71, and is rotatablely connected with body frame 71, is slided
Piece 74 is then arranged on screw mandrel 753；Preferably, screw mandrel 753 is insulator, is to be threadedly coupled between slide 74 and screw mandrel 753
Or be threadedly coupled with screw mandrel 753 by one and be arranged on for the contiguous block of insulator on screw mandrel 753, when screw mandrel 753 is in motor
When being rotated under 752 rotation, length direction of the slide 74 along screw mandrel 753 contacts the line direction of mouth 731 and slided, and by touching
The form of the linking contact mouth 731 of point 741 make it that secondary coil 7 is conduction state.
1 and Fig. 2 are referred to, in the present invention, the voltage conversion joint also includes the display being arranged in joint shell 1
Panel module 4, module is controlled in the display panel module 4 connection, and input voltage and instant voltage is obtained by middle control module, after will be defeated
Enter voltage and instant voltage is shown；In addition, display panel module 4 can also show the quota voltage of charging equipment.It is preferred that
Ground, display panel module 4 elect touch-screen as, after charge capacity differential pressure value is manually entered in the form of by touch-screen and is manually checked
The quota voltage of obtained charging equipment.
In addition, voltage conversion joint of the present invention can also include the charging with charging socket 52 and charging plug 51
First 5, the detachably connected output port 3 of the charging head 5 and charging equipment, wherein, charging socket 52 connects output port
3, charging plug 51 connects charging equipment；Charging plug 51 matched with the charge port of electric motor car with two wheels or with four-wheel electric vapour
The charge port matching of car, to be applied to treating for different charging inlets by the setting voltage conversion joint of charging head 5
Charging equipment.
Control principle during voltage conversion joint use of the present invention is as follows：
(1) the charge capacity differential pressure value in module is controlled in setting and middle control module obtains the quota voltage of battery to be charged；
(2) input voltage identification module identifies the input voltage from external power source, and the instant voltage identification module of electric car is known
The instant voltage of other charging equipment；
(3) control module obtains input voltage by input voltage identification module, passes through the instant voltage identification mould of electric car in
Block obtains instant voltage；
(4) the instant voltage of control module comparative analysis and quota voltage in, when analysis result shows that instant voltage is less than quota
During voltage, middle control module sends pressure regulation instruction to DC/DC voltage regulating modules, and enters step (5)；Control module control charging in otherwise
Circuit stops charging；
(5) control module obtains instant charging voltage according to instant voltage and charge capacity differential pressure value in, further according to input electricity
Pressure and instant charging voltage obtain the when secondary coil 7 of the number of turns of primary winding 6 and secondary coil 7 in DC/DC voltage regulating modules
The number of turns of electric coil 73, then, slip actuator 75 of the middle control module into DC/DC voltage regulating modules send operating instruction, into step
Suddenly (6)；
(6) sliding actuator 75 drives core 72 length direction of the slide 74 being attached thereto along secondary coil 7 to slide
It is dynamic；
When slide 74 is run between the contact 741 on slide 74 and the input of electric coil 73 of secondary coil 7
When the number of turns of electric coil 73 is equal to 73 number of turns of electric coil for the secondary coil 7 that middle control module is calculated, middle control module drive is slided
Dynamic actuator 75 is out of service, and the contact 741 of slide 74 is connected the contact mouth 731 on electric coil 73, and return to step
(2)；Otherwise repeat step (6).
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, the equal change completed or modification change under the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (9)
1. a kind of electric car charging voltage crossover sub, including joint shell, the input port in joint shell and defeated
Exit port, it is characterised in that：Charging circuit is set in the joint shell, the charging circuit includes the instant voltage identification of electric car
Module, middle control module, DC/DC voltage regulating modules；
Wherein, the instant voltage of the electric car instant voltage identification module identification charging equipment, and by the instant voltage
Issue middle control module；Charge capacity differential pressure value and instant charging voltage are set in the middle control module, the charging voltage immediately is
Underrange, it is determined by the voltage immediately with charge capacity differential pressure value sum；
When quota voltage of the voltage immediately less than charging equipment, the middle control module drive DC/DC voltage regulating modules fortune
OK, the DC/DC voltage regulating modules by the input voltage of the external power source inputted from input port be converted into it is middle control module determined
Instant charging voltage, it is described immediately charging voltage charging equipment is transported to by output port again；When described voltage etc. immediately
When quota voltage, the charging circuit stops charging.
2. voltage conversion joint as claimed in claim 1, it is characterised in that：The charging circuit also includes the specified electricity of electric car
Identification module is pressed, the electric car rated voltage identification module is used for the quota voltage of charging equipment described in automatic identification, and
The quota voltage is passed into middle control module.
3. voltage conversion joint as claimed in claim 1, it is characterised in that：The charging circuit also includes input voltage and identified
Module, the input voltage for the external power source that the input voltage identification module automatic identification inputs from input port, and by described in
Input voltage passes to middle control module.
4. voltage conversion joint as claimed in claim 1, it is characterised in that：The DC/DC voltage regulating modules have primary winding
And secondary coil, wherein, the primary winding connects input port, and the secondary coil connects output port；The secondary line
Circle includes the electric coil of body frame, the core on body frame, uniform winding on core, is also equipped with sliding on the body frame
Piece, slide actuator；The slide is conductor, and its one end is pressure regulation output end, and the pressure regulation output end will be through primary winding
With the voltage output of secondary coil conversion gained, the other end of the slide is contact, and connects electric wire by the contact
Circle, the electric coil are being equipped with the contact mouth that is used cooperatively with the contact along the often circle electric wire on core length direction；Institute
Slide is stated by sliding actuator on body frame, it is in the presence of the slip actuator along core length direction
Slide, and connected in sliding process with the contact mouth on electric coil；Module is controlled in the slip actuator connection, it is by described
Control module drive operation.
5. voltage conversion joint as claimed in claim 4, it is characterised in that：The slip actuator is lifting hydraulic cylinder.
6. voltage conversion joint as claimed in claim 4, it is characterised in that：The slip actuator includes motor and screw mandrel,
The motor is arranged on body frame, and its motor output end connects the screw mandrel, and the screw mandrel is erected on body frame, and with the master
Frame is rotatablely connected, and the slide is arranged on screw mandrel；The screw mandrel is insulator, and module is controlled in the motor connection.
7. voltage conversion joint as claimed in claim 1, it is characterised in that：Also include with charging socket and charging plug
Charging head, the detachably connected output port of the charging head and charging equipment, wherein, the charging socket connection output
Port, the charging plug connect charging equipment；The charging plug matches with the charge port of electric motor car with two wheels or with four
Take turns the charge port matching of electric automobile.
8. voltage conversion joint as claimed in claim 1, it is characterised in that：Also include being arranged on showing in the joint shell
Display screen module, module is controlled in the display panel module connection, and input voltage and instant voltage is obtained by the middle control module,
The input voltage and instant voltage are shown afterwards；The display panel module can also show quota voltage.
9. voltage conversion joint as claimed in claim 8, it is characterised in that：The display panel module is touch-screen, for hand
The dynamic quota voltage for inputting the charge capacity differential pressure value and charging equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820416.1A CN107579565A (en) | 2017-09-08 | 2017-09-08 | Electric car charging voltage crossover sub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820416.1A CN107579565A (en) | 2017-09-08 | 2017-09-08 | Electric car charging voltage crossover sub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107579565A true CN107579565A (en) | 2018-01-12 |
Family
ID=61033347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710820416.1A Pending CN107579565A (en) | 2017-09-08 | 2017-09-08 | Electric car charging voltage crossover sub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107579565A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201918777U (en) * | 2010-11-16 | 2011-08-03 | 海日升电器制品(深圳)有限公司 | Charging device and charger for golf cart |
| CN105656122A (en) * | 2016-02-02 | 2016-06-08 | 奇瑞汽车股份有限公司 | DC-DC converter for new-energy vehicles |
| CN205509614U (en) * | 2016-02-06 | 2016-08-24 | 镇江锐翼自动化科技有限公司 | Automatic discernment battery voltage's electric vehicle charging ware |
| CN205508600U (en) * | 2016-03-30 | 2016-08-24 | 许昌学院 | But automation pressure regulating voltage stabilizing transformer is kept apart entirely to three -phase |
-
2017
- 2017-09-08 CN CN201710820416.1A patent/CN107579565A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201918777U (en) * | 2010-11-16 | 2011-08-03 | 海日升电器制品(深圳)有限公司 | Charging device and charger for golf cart |
| CN105656122A (en) * | 2016-02-02 | 2016-06-08 | 奇瑞汽车股份有限公司 | DC-DC converter for new-energy vehicles |
| CN205509614U (en) * | 2016-02-06 | 2016-08-24 | 镇江锐翼自动化科技有限公司 | Automatic discernment battery voltage's electric vehicle charging ware |
| CN205508600U (en) * | 2016-03-30 | 2016-08-24 | 许昌学院 | But automation pressure regulating voltage stabilizing transformer is kept apart entirely to three -phase |
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Application publication date: 20180112 |