CN218343282U - Portable direct current fills electric pile and system - Google Patents
Portable direct current fills electric pile and system Download PDFInfo
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- CN218343282U CN218343282U CN202222975340.9U CN202222975340U CN218343282U CN 218343282 U CN218343282 U CN 218343282U CN 202222975340 U CN202222975340 U CN 202222975340U CN 218343282 U CN218343282 U CN 218343282U
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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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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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Abstract
The utility model provides a portable direct current fills electric pile, it includes the power source of joinable commercial power, joinable electric automobile's the interface and the control circuit that charges, the control circuit that charges includes the control unit and the power conversion unit who connects the control unit respectively, power conversion unit, high voltage direct current contactor, portable direct current fills electric pile and still includes the input interface that can connect the alternating-current charging stake of filling slowly, input interface connects in power source, between the power conversion unit, input interface includes the second live wire end, the second zero line end, second earthing terminal and connection control unit's CP signal end, the control unit receives the CP sampled signal that comes from the alternating-current charging stake slowly through CP signal end, and according to CP sampled signal to the output of power conversion unit transmission control signal control power conversion unit. The utility model discloses an increase an input interface, solved the parking area and had not got the problem that electric interface or electric automobile only had the direct current to fill the interface soon, increased the use scene.
Description
Technical Field
The utility model relates to an automobile charging field technical field, concretely relates to portable direct current fills electric pile and system.
Background
At present, new energy automobiles are developed rapidly, the technology of the new energy automobiles is updated rapidly, and the manufacturing cost of the new energy automobiles is more and more rigorous. At present, the mainstream electric automobiles are provided with a direct current interface and a slow charging alternating current interface. The direct current interface is directly charged through a direct current charging pile, and the slow charging alternating current interface is formed by designing an OBC (On Board Charger) module in the whole vehicle, converting alternating current into direct current and charging a vehicle battery. At present, some electric vehicle manufacturers hope to remove an alternating current slow charging interface, so that the quality of an automobile is reduced, the endurance is farther, the cost is lower, and instead, only a direct current fast charging interface is reserved, but most household charging piles are slow charging alternating current charging piles.
CN201821562013.8 discloses a portable dc charging pile, which comprises a casing, a main control board, a power conversion module, a charging gun and a switch, wherein the power conversion module, the charging gun and the switch are all electrically connected to the main control board. Portable direct current fills electric pile has can the vehicle-mounted and carries, and the wiring is simple, advantages such as practicality are strong. However, in an actual life scene, the portable direct-current charging pile has the defects that the power taking is inconvenient, the fixed interface can only be used for taking power from the mains supply, and the place for taking the mains supply is inconvenient to find. Although portable, the application scene is restricted, and many general parking lots do not have the interface of getting electricity, and the portable direct current fills electric pile application range and is very little.
Therefore, there is a need to provide a new portable dc charging pile and a control system thereof to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an available alternating-current charging stake of filling slowly carries out portable direct current that charges and fills electric pile and system.
In order to achieve the above object, the utility model provides a portable direct current fills electric pile, its power source including the joinable commercial power, joinable electric automobile's the interface and connection that charges power source the charge control circuit of interface, charge control circuit includes the control unit and connects respectively the power conversion unit, high voltage direct current contactor of the control unit, portable direct current fills electric pile still includes the input interface of joinable slow charging alternating current charging pile, input interface connect in power source the power conversion unit between, input interface includes second live wire end, second zero line end, second earthing terminal and connection the CP signal end of the control unit, the control unit passes through CP signal end receives comes from the CP sampling signal of slow charging alternating current charging pile, and according to CP sampling signal to power conversion unit transmission control signal control the output of power conversion unit.
Preferably, the power conversion unit includes an AC/DC module, and the AC/DC module includes a live input, a neutral input, an anode output, and a cathode output.
Preferably, the second live wire end is connected with the live wire input end, the second zero line end is connected with the zero line input end, and the charging interface comprises a grounding end, a positive end connected with the positive output end, and a negative end connected with the negative output end.
Preferably, the high-voltage direct current contactor comprises a first high-voltage direct current contactor and a second high-voltage direct current contactor, the first high-voltage direct current contactor is connected in series with the positive output end and between the positive ends, and the second high-voltage direct current contactor is connected in series with the negative output end and between the negative ends.
Preferably, the power conversion unit further comprises a return prevention diode, and the return prevention diode is connected in series between the negative output end and the second high-voltage direct-current contactor.
Preferably, the charging control circuit further includes a voltage dividing resistor, and the voltage dividing resistor is connected in series between the control unit and the CP signal terminal.
Preferably, the power conversion unit further includes a discharge resistor and a relay, and the discharge resistor is connected in series with the relay and then connected in parallel to the positive output end and the negative output end.
Preferably, the charging control circuit further comprises a first alternating current contactor and a second alternating current contactor, one end of the first alternating current contactor is connected with the second live wire end and the other end of the first alternating current contactor are connected with the live wire input end, and one end of the second alternating current contactor is connected with the second zero wire end and the other end of the second alternating current contactor are connected with the zero wire input end.
Preferably, the charging control circuit further comprises a metering unit, a remote communication unit, an indicator light, a human-computer interaction unit and a storage unit which are connected with the control unit.
In order to achieve the above object, the utility model provides a portable direct current fills electric pile system, it includes portable direct current fills electric pile, and it still fills electric pile including filling the alternating current slowly, fill the alternating current and fill electric pile including inserting input interface's alternating current rifle that charges slowly.
The utility model relates to a portable direct current fills electric pile, it fills alternating-current charging stake's interface slowly through increasing a joinable on traditional portable direct current fills electric pile to thereby fill alternating-current charging stake's CP sampled signal control output slowly through the collection, solved the parking area and did not have the interface of getting electricity or electric automobile only have the direct current to fill the problem of interface soon, increased the use scene.
The utility model relates to a portable direct current fills electric pile system, it fills electric pile and fills the alternating-current charging stake cooperation slowly through portable direct current, has solved interface or the electric automobile that the parking area does not have the electricity of getting and has only the problem that the interface was filled soon to the direct current, has increased the use scene.
Drawings
Fig. 1 is a block diagram of a portable dc charging pile of the present invention;
fig. 2 is a circuit block diagram of the portable dc charging pile according to the first embodiment;
FIG. 3 is a circuit diagram according to the first embodiment;
fig. 4 is a circuit block diagram of a portable dc charging pile according to a second embodiment;
fig. 5 is the utility model relates to a portable direct current fills electric pile system's schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the utility model provides a portable direct current fills electric pile 100, its power source 1 including the joinable commercial power, joinable electric automobile's interface 2 that charges, connect power source 1, charge interface 2's charge control circuit 3 and joinable slow charge alternating current fills electric pile's input interface 4. The charging interface 2 is a direct current charging pile interface which accords with the national standard, and the input interface 4 is an alternating current charging pile interface which accords with the national standard, so that alternating current can be introduced through the input interface 4.
When the commercial power interface cannot be found or the electric automobile only has the direct-current quick charging interface, the charging gun of the slow-charging alternating-current charging pile can be inserted into the input interface 4, and alternating current is introduced, so that the electric automobile is charged.
Example one
As shown in fig. 2 and 3, the charge control circuit 3 includes a control unit 31, and a power conversion unit 32, a power conversion unit 33, and a high-voltage dc contactor 34 respectively connected to the control unit 31.
The power conversion unit 32 functions as power conversion for supplying power to the control unit 31.
The power interface 1 includes a first live line end L1, a first neutral line end N1, and a first ground end PE1.
The input interface 4 is connected between the power supply interface 1 and the power conversion unit 33.
Specifically, the input interface 4 includes a second live line end L2, a second neutral line end N2, a second ground end PE2, and a CP signal end connected to the control unit 31. The second live wire end L2 is connected with the first live wire end L1, the second zero line end N2 is connected with the first zero line end N1, and the second grounding end PE2 is connected with the first grounding end PE1.
The control unit 31 receives the CP sampling signal from the slow charging ac charging pile through the CP signal terminal.
The power conversion unit 33 includes an AC/DC module including a live input, a neutral input, a positive output, and a negative output.
The second live wire end L2 is connected with the live wire input end, and the second zero line end N2 is connected with the zero line input end.
The charging interface 2 comprises a grounding terminal PE, a positive terminal DC + connected with the positive output terminal and a negative terminal DC-connected with the negative output terminal.
High voltage direct current contactor 34 includes first high voltage direct current contactor K1, second high voltage direct current contactor K2, and first high voltage direct current contactor K1 series connection is between positive output, positive terminal DC +, and second high voltage direct current contactor K2 series connection is between negative output, negative terminal DC-.
When the control unit 31 controls the high-voltage direct-current contactor 34 to be switched on, the power conversion unit 33 charges the electric automobile through the charging interface 2; when the control unit 31 controls the high-voltage direct-current contactor 34 to be switched off, the power conversion unit 33 cannot charge the electric automobile.
The charging control circuit 3 further comprises a return-preventing diode D1, and the return-preventing diode D1 is connected between the negative electrode output end and the second high-voltage direct-current contactor K2 in series.
The charging control circuit 3 further includes a voltage dividing resistor R2, and the voltage dividing resistor R2 is connected in series between the control unit 31 and the CP signal terminal.
The power conversion unit 33 further includes a discharge resistor R1 and a relay K3, and the discharge resistor R1 is connected in series with the relay K3 and then connected in parallel between the positive output terminal and the negative output terminal.
The charging control circuit 3 further comprises a first alternating current contactor KM1 and a second alternating current contactor KM2, a first live wire end L1 is connected with the live wire input end after being connected with the first alternating current contactor KM1, and a first zero line end N1 is connected with the zero line input end after being connected with the second alternating current contactor KM 2. The control unit 31 may control the first AC contactor KM1 and the second AC contactor KM2 to be closed and opened, where the first AC contactor KM1 and the second AC contactor KM2 are normally closed, and when the AC/DC module is in the low power consumption mode, the first AC contactor KM1 and the second AC contactor KM2 are opened.
Example two
As shown in fig. 4, the charging control circuit 3 further includes a metering unit 35 connected to the control unit 31, an indicator light 36, a remote communication unit 37, a human-computer interaction unit 38, and a storage unit 39.
The metering unit 35 is connected between the high-voltage direct-current contactor 34 and the charging interface 2, and is used for recording data such as electric quantity.
The indicator light 36 is used to indicate whether charging is being performed.
The remote communication unit 37 comprises a wifi module and a bluetooth module, and is used for binding the portable direct-current charging pile of the embodiment with the personal mobile phone APP, then using the mobile phone APP for charging operation, and monitoring the electric quantity through the mobile phone APP.
The human-computer interaction unit 38 includes a control screen, which may be a touch screen or a key screen, and a user may control the portable dc charging pile through the control screen.
The storage unit 39 is used for storing data, and includes storage modules such as DDR and FLASH.
In the software control method, the control unit 31 may detect the source of power, and when the power interface 1 is connected to the commercial power to obtain power, the output power of the power conversion unit 33 is controlled according to the rated output power.
As shown in fig. 5, a portable dc charging pile system, it adopts the utility model relates to a portable dc charging pile 100, it still includes the ac charging pile 200 that slowly fills who connects input interface 4.
In the software control method, when the control unit 31 detects that the input interface 2 is connected to the slow charging ac charging pile 200 to obtain power, the control unit 31 controls the output power of the power conversion unit 33 according to the received CP sampling signal.
In the national standard, a CP signal (control pilot function signal) is used to monitor the function of the interaction between the electric vehicle and the electric vehicle power supply device (charging pile). The CP signal is a handshake signal between the electric automobile and the charging pile, and is a communication mode using PWM modulation and amplitude alternation.
The input interface 2 acquires the PWM duty ratio signal of the slow-charging AC charging pile 200 according to a national standard interface, so that the current maximum output power of the slow-charging AC charging pile 200 can be determined, and after the output power of the slow-charging AC charging pile 200 is acquired, the control unit 31 controls the power conversion unit 33 according to the acquired PWM duty ratio signal to convert the AC into the DC.
The utility model relates to a portable direct current fills electric pile 100 can also cooperate the dispatch of electric wire netting, when the electric wire netting requirement fills alternating-current charging pile 200 slowly and reduces current output, fills alternating-current charging pile 200's PWM signal can alternate immediately slowly, makes the duty cycle of the 31 real-time detection PWM signal of the control unit through software control, adjusts the output of power conversion unit 33 in real time.
Through such design, the utility model relates to a portable direct current fills electric pile 100 not only can be suitable for ordinary electric automobile and can not find the application scene of commercial power interface, can also be used for only the direct current to fill the electric automobile of interface soon, has satisfied the demand that car manufacturer reduced electric automobile's automobile body weight.
To sum up, the utility model relates to a portable direct current fills electric pile, it fills electric pile's interface through increasing one joinable on traditional portable direct current fills electric pile slowly to thereby fill electric pile's CP sampled signal control output slowly through the collection, solved the parking area and had not had the interface of getting electricity or electric automobile only the direct current problem of filling the interface soon, increased the use scene.
To sum up, the utility model relates to a portable direct current fills electric pile system, it fills electric pile and fills the alternating-current charging stake cooperation slowly through portable direct current, has solved interface or electric automobile that the parking area does not have the electricity of getting and has only the problem that the interface was filled soon to the direct current, has increased the use scene.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A portable direct current charging pile comprises a power interface capable of being connected with commercial power, a charging interface capable of being connected with an electric automobile and a charging control circuit connected with the power interface and the charging interface, wherein the charging control circuit comprises a control unit, a power conversion unit, a high-voltage direct current contactor, the power conversion unit, the high-voltage direct current contactor and the charging control circuit are respectively connected with the control unit.
2. The portable direct current charging pile according to claim 1, wherein the power conversion unit comprises an AC/DC module, and the AC/DC module comprises a live input, a neutral input, a positive output, and a negative output.
3. The portable direct-current charging pile according to claim 2, wherein the second live wire end is connected with the live wire input end, the second zero wire end is connected with the zero wire input end, and the charging interface comprises a grounding end, a positive end connected with the positive output end, and a negative end connected with the negative output end.
4. The portable direct current charging pile according to claim 3, characterized in that the high-voltage direct current contactor comprises a first high-voltage direct current contactor and a second high-voltage direct current contactor, the first high-voltage direct current contactor is connected in series between the positive output end and the positive end, and the second high-voltage direct current contactor is connected in series between the negative output end and the negative end.
5. The portable direct-current charging pile according to claim 4, wherein the power conversion unit further comprises a return prevention diode, and the return prevention diode is connected in series between the negative output end and the second high-voltage direct-current contactor.
6. The portable direct-current charging pile according to claim 5, wherein the charging control circuit further comprises a voltage dividing resistor, and the voltage dividing resistor is connected in series between the control unit and the CP signal terminal.
7. The portable direct-current charging pile according to claim 6, wherein the power conversion unit further comprises a discharge resistor and a relay, and the discharge resistor and the relay are connected in series and then connected in parallel to the positive output end and the negative output end.
8. The portable direct-current charging pile according to claim 7, wherein the charging control circuit further comprises a first alternating-current contactor and a second alternating-current contactor, one end of the first alternating-current contactor is connected with the second live wire end, the other end of the first alternating-current contactor is connected with the live wire input end, one end of the second alternating-current contactor is connected with the second zero line end, and the other end of the second alternating-current contactor is connected with the zero line input end.
9. The portable direct-current charging pile according to claim 8, wherein the charging control circuit further comprises a metering unit, a remote communication unit, an indicator light, a human-computer interaction unit and a storage unit which are connected with the control unit.
10. A portable dc charging post system comprising the portable dc charging post according to any one of claims 1 to 9, and further comprising a slow charging ac charging post comprising an ac charging gun inserted into the input interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222975340.9U CN218343282U (en) | 2022-11-07 | 2022-11-07 | Portable direct current fills electric pile and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222975340.9U CN218343282U (en) | 2022-11-07 | 2022-11-07 | Portable direct current fills electric pile and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218343282U true CN218343282U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222975340.9U Active CN218343282U (en) | 2022-11-07 | 2022-11-07 | Portable direct current fills electric pile and system |
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| Country | Link |
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| CN (1) | CN218343282U (en) |
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- 2022-11-07 CN CN202222975340.9U patent/CN218343282U/en active Active
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