CN218997759U - Movable charging device for new energy automobile - Google Patents
Movable charging device for new energy automobile Download PDFInfo
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- CN218997759U CN218997759U CN202223409186.5U CN202223409186U CN218997759U CN 218997759 U CN218997759 U CN 218997759U CN 202223409186 U CN202223409186 U CN 202223409186U CN 218997759 U CN218997759 U CN 218997759U
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- new energy
- main controller
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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
Abstract
The utility model discloses a movable charging device for a new energy automobile, which comprises an integrated main controller, a charging module, a vehicle charging connector, an alternating current charging pile connecting socket, a mains supply connector, a switching module and a signal detection module, wherein the input of the charging module is connected with the alternating current charging pile connecting socket and the mains supply connector through the switching module, the output end of the charging module is connected with the vehicle charging connector, the main controller is in control connection with the charging module, and the signal detection module is connected with the main controller and the alternating current charging pile connecting socket. The utility model can be used as a mobile charger of the new energy vehicle, so that the new energy vehicle can be charged by utilizing the commercial power and the alternating current charging pile to carry out direct current charging, thereby improving the charging efficiency of the new energy vehicle.
Description
Technical Field
The utility model relates to the field of new energy vehicle charging devices, in particular to a movable charging device for a new energy vehicle.
Background
The new energy vehicle takes electric power as energy, and generally has a standard charging interface, and is connected with a standard connector of an alternating current charging pile through the standard charging interface for charging. When the vehicle is specifically charged, the new energy vehicle is connected with the standard connector of the alternating-current charging pile through the standard charging interface, firstly, the new energy vehicle performs signal interaction with the alternating-current charging pile through the standard charging interface, for example, a CP signal is interacted between the new energy vehicle and the alternating-current charging pile so as to confirm whether the vehicle is connected or not, and after the connection is confirmed, the vehicle is started to charge the new energy vehicle through the standard connector. However, due to the power limitation of the vehicle-mounted charger, most of the existing alternating-current charging piles have low charging efficiency, so that the problem of long charging time of the new energy vehicle is caused.
In order to solve the problem, the existing charging piles adopt direct-current charging piles, and the direct-current charging piles are used for directly charging the new energy vehicle through direct current after converting alternating current into direct current. Although the charging efficiency of the direct current charging pile is higher, the number of the alternating current charging piles and the direct current charging piles is smaller at present, and the requirement of quick charging of the new energy vehicle still cannot be met.
Disclosure of Invention
The utility model provides a movable charging device for a new energy vehicle, which aims to solve the problem of low charging efficiency of the new energy vehicle in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a movable charging device for new energy automobile, includes main control unit, charging module, to car charging connector, alternating current charging stake connect socket, commercial power connector, switching module, signal detection module, charging module's input is connected alternating current charging stake connect socket, commercial power connector respectively through switching module, charging module's output is through charging connector and new energy automobile charging interface connection to the car, main control unit is connected with charging module control, signal detection module connects main control unit, alternating current charging stake connect socket makes charging module switch connection alternating current charging stake connect socket, commercial power connector by switching module, is connected socket and alternating current charging stake interaction signal through signal detection module, alternating current charging stake by main control unit to control charging module.
Further, the switching module comprises two groups of contactors, wherein the contact of one group of contactors is connected between the charging module and the alternating current charging pile connection socket, and the contact of the other group of contactors is connected between the charging module and the mains supply connector.
Further, the coils of the two sets of contactors form an interlock circuit.
Further, the signal detection module is a CP signal detection circuit.
Further, the CP signal detection circuit comprises a plurality of resistors, each resistor is connected between the main controller and the AC charging pile connecting socket through a controllable switch, the main controller is in control connection with the controllable switch, the main controller is connected between the main controller and the AC charging pile connecting socket through the controllable switch control resistor, so that the main controller obtains a CP signal sent by the AC charging pile, and the AC charging pile obtains a return signal of the main controller.
Further, the charging module comprises a rectifier bridge module and a charging management module, wherein the input end of the rectifier bridge module is used as the input end of the charging module, the output end of the rectifier bridge module is connected with the input end of the charging management module, the output end of the charging management module is used as the output end of the charging module, and the main controller is in control connection with the charging management module.
According to the utility model, the charging module is switched and connected with the alternating-current charging pile connecting socket and the commercial power connector through the switching module, so that the alternating-current charging pile and the commercial power can be switched and used as power sources, and the charging module is converted into direct current through the rectifier bridge module in the charging module and then charges the new energy vehicle. Therefore, the utility model can be used as a mobile charging device of the new energy vehicle, so that the new energy vehicle can be charged by direct current based on the commercial power and the alternating current charging pile.
In the utility model, the switching module adopts two groups of contactors capable of forming interlocking, thereby improving the charging safety.
In the utility model, the signal interaction between the main controller and the alternating-current charging pile is realized through the CP signal detection circuit, and the CP signal detection circuit has a simple structure, so that the utility model has the advantages of simple structure and low cost.
Compared with the prior art, the novel energy vehicle charging device can be used as a mobile charger of the novel energy vehicle, so that the novel energy vehicle can be charged by utilizing commercial power and alternating current charging piles for direct current, the charging efficiency of the novel energy vehicle can be improved, and the novel energy vehicle charging device has the advantage of being convenient to carry.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the interlocking of two sets of contactors in an embodiment of the present utility model.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the following detailed description will be given with reference to the accompanying drawings and examples, by which the technical means are applied to solve the technical problem, and the implementation process for achieving the corresponding technical effects can be fully understood and implemented. The embodiment of the utility model and the characteristics in the embodiment can be mutually combined on the premise of no conflict, and the formed technical scheme is within the protection scope of the utility model.
It will be apparent that the described embodiments are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present utility model and in the foregoing figures, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, this embodiment discloses a movable charging device for new energy vehicles, including a housing 1, in which a main controller 2, a charging module 3, a switching module 4, and a signal detection module 5 are integrated in the housing 1, and a charging connector 6, an ac charging pile connection socket 7, and a mains connector 8 are integrated on the surface of the housing 1.
In this embodiment, the main controller 2 adopts an MCU for realizing control of the charging module 3 in the housing 1. The charging module 3 comprises a rectifier bridge module and a charging management module, wherein the input end of the rectifier bridge module is used as the input end of the charging module 3 to be connected with a power supply, the output end of the rectifier bridge module is connected with the input end of the charging management module, and the output end of the charging management module is used as the output end of the charging module 3 to be connected with the vehicle charging connector 6. In this embodiment, a standard charging plug is used for the vehicle charging connector 6, and is used for connecting to a standard charging interface 9 of a new energy vehicle. Therefore, when an alternating current power supply enters the rectifier bridge module, the rectifier bridge module converts alternating current into direct current and then outputs the direct current to the charging connector 6 of the new energy vehicle through the charging management module, and then the direct current is charged to the vehicle-mounted charger in the new energy vehicle through the charging connector of the new energy vehicle and the standard charging interface of the new energy vehicle. The main controller 2 is in control connection with the charging management module, and specifically controllable devices such as a controllable switch are connected to the charging management module, and the main controller 2 controls the charging management module by controlling the controllable devices to be turned on or off.
In this embodiment, the ac charging pile connection socket 7 is used for connecting the standard connector 10 of the ac charging pile, so that the ac charging pile connection socket 7 in this embodiment adopts a standard socket adapted to the standard connector of the ac charging pile. The ac charging pile connection socket 7 has three-phase live wire terminals L1, L2, L3, a neutral terminal N, and CP signal terminals, and a ground terminal PE. Wherein the CP signal terminal of the ac charging pile connection socket 7 is connected with one signal terminal of the main controller 2, and the ground terminal PE of the ac charging pile connection socket 7 is connected with the other signal terminal of the main controller 2.
In this embodiment, the utility power connector 8 is used for connecting with the utility power, so in this embodiment, the utility power connector 8 adopts a standard three-phase power plug and can be connected with a common three-phase socket. The utility connector 8 has three-phase live wire terminals L1, L2, L3, a neutral terminal N, and a ground terminal PE.
In this embodiment, the switching module 4 is configured to switch the charging module 3 to connect the ac charging pile connection socket 7 and the mains connector 8. The switching module 4 adopts two groups of contactors, coils KM1 and KM2 of the two groups of contactors form an interlocking circuit, a first group of contactors are provided with normally open contacts KM1.1 and normally closed contacts KM1.2, and a second group of contactors are provided with normally open contacts KM2.1 and normally closed contacts KM2.2. Specifically, as shown in fig. 1 and fig. 2, the input end of the charging module 3 is connected with two input lines, one input line is connected with three-phase live wire terminals L1, L2, L3 and a zero line terminal N of the mains connector 8 through a normally open contact KM1.1 of the first set of relays, and the other input line is connected with three-phase live wire terminals L1, L2, L3 and a zero line terminal N of the alternating-current charging pile connection socket 7 through a normally open contact KM2.1 of the second set of relays.
The interlocking circuit formed by the two groups of contactor coils KM1 and KM2 is shown in fig. 2, the coil KM1 of the first group of contactors is connected with the first selector switch ZK1 and the normally closed contact KM2.2 of the second group of contactors in series to form a first series branch, and the coil KM2 of the second group of contactors is connected with the second selector switch ZK2 and the normally closed contact KM1.2 of the first group of contactors in series to form a second series branch. The first serial branch and the second serial branch are mutually connected in parallel to form an interlocking circuit, one end of the interlocking circuit is simultaneously connected with the alternating current charging pile connecting socket 7 and the live wire terminal of the mains supply connector 8, and the other end of the interlocking circuit is simultaneously connected with the alternating current charging pile connecting socket 7 and the zero wire terminal of the mains supply connector 8.
The first selection switch ZK1 and the second selection switch ZK2 are respectively button switches arranged on the surface of the shell 1, wherein the first selection switch ZK1 is used for selecting the mains supply connector 8, and the second selection switch ZK2 is used for selecting the alternating-current charging pile connection socket 7. Whenever an ac charging pile connection socket 7 is connected to an ac charging pile, or a mains connector 8 is connected to the mains, an interlock circuit is connected between the live wire and the neutral wire, and when a first selector switch ZK1 is pressed, a coil KM1 of a first group of contactors in the first series branch is electrified, so that a normally closed contact KM1.2 of the first group of contactors in the second series branch is disconnected, a coil KM2 of the second group of contactors in the second series branch is locked and disconnected, and a normally open contact KM1.1 of the first group of contactors is closed, so that the mains connector 8 is conducted with the charging module 3, and the ac charging pile connection socket 7 cannot be conducted with the charging module 3 even if the second selector switch ZK2 is pressed by mistake. Similarly, when the second selector switch ZK2 is pressed, the coil KM2 of the second group of contactors in the second series branch is energized, thereby opening the normally closed contact KM2.2 of the second group of contactors in the first series branch, and thus the coil KM1 of the first group of contactors in the first series branch is locked open, and the normally open contact KM2.1 of the second group of contactors is closed, thereby conducting between the ac charging pile connection socket 7 and the charging module 3, and failing to conduct between the mains connector 8 and the charging module 3 even if the first selector switch ZK1 is pressed by mistake. In this way, the safety during charging is ensured.
In this embodiment, the main controller 2 is further connected to the first selection switch ZK1 and the second selection switch ZK2 through the key signal detection circuit, so that the main controller 2 can learn the states of the first selection switch ZK1 and the second selection switch ZK 2.
In this embodiment, the signal detection module 5 is configured to implement CP signal interaction between the main controller 2 and the ac charging pile. The signal detection module 5 adopts a CP signal detection circuit and comprises a controllable switch S1, a controllable switch S2, a resistor R1 and a resistor R2. The controllable switch S1 is connected between the CP signal terminal of the alternating current charging pile connection socket 7 and the corresponding signal end of the main controller 2, one end of the resistor R1 is connected between the controllable switch S1 and the corresponding signal end of the main controller 2, and the other end of the resistor R1 is connected between the grounding terminal PE of the alternating current charging pile connection socket 7 and the corresponding signal end of the main controller 2. One end of the resistor R2 is connected in series with the controllable switch S2 and then is connected between the controllable switch S1 and the corresponding signal end of the main controller 2, and the other end of the resistor R2 is connected between the grounding terminal PE of the alternating current charging pile connection socket 7 and the corresponding signal end of the main controller 2. The main controller 2 is also respectively connected with the controllable switch S1 and the controllable switch S2 in a control way.
The main controller 2 interacts with the AC charging pile based on the signal detection module 5 to perform the following CP signal process: when a user connects the AC charging pile connecting socket 7 with a standard connector of the AC charging pile, and the main controller 2 judges that the second selecting switch ZK2 is selected by the user, the main controller 2 controls the controllable switch S1 to be conducted, the AC charging pile sends a 12V CP voltage signal to the CP signal detecting circuit through the AC charging pile connecting socket 7, the 12V CP voltage signal forms a 9V voltage signal through a resistor R1 in the CP signal detecting circuit, the main controller 2 collects the 9V voltage signal, connection with the AC charging pile can be judged, then the main controller 2 controls the controllable switch S2 in the CP signal detecting circuit to be conducted, so that the 9V voltage signal forms a 6V voltage signal through the resistor R2, at the moment, the AC charging pile detects the 6V voltage signal through the AC charging pile connecting socket 7, connection with the AC charging pile connecting socket 7 can be judged, and then the AC charging pile is started up, and the AC voltage is output to the charging module through a normally open contact KM2.2 of the second contactor.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the examples described herein are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. The individual technical features described in the above-described embodiments may be combined in any suitable manner without contradiction, and such combination should also be regarded as the disclosure of the present disclosure as long as it does not deviate from the idea of the present utility model. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
The present utility model is not limited to the specific details of the above embodiments, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the scope of the technical concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (6)
1. The utility model provides a movable charging device for new energy automobile, its characterized in that, including integrated integrative main control unit, charging module, charge connector to the car, alternating current charging stake connect socket, commercial power connector, switching module, signal detection module, charging module's input is connected alternating current charging stake connect socket, commercial power connector respectively through switching module, and charging module's output is connected with new energy automobile through charging connector to the car, main control unit is connected with charging module control, signal detection module connects main control unit, alternating current charging stake connect socket makes charging module switch connection alternating current charging stake connect socket, commercial power connector by switching module, by main control unit through signal detection module, alternating current charging stake connect socket and alternating current charging stake interaction signal to control by main control unit the charging module.
2. The mobile charging device for a new energy vehicle according to claim 1, wherein the switching module comprises two sets of contactors, wherein the contacts of one set of contactors are connected between the charging module and the ac charging pile connection socket, and the contacts of the other set of contactors are connected between the charging module and the mains connector.
3. The mobile charging device for a new energy vehicle according to claim 2, wherein the coils of the two sets of contactors form an interlock circuit.
4. The mobile charging device for a new energy automobile according to claim 1, wherein the signal detection module is a CP signal detection circuit.
5. The mobile charging device for the new energy automobile according to claim 4, wherein the CP signal detection circuit comprises a plurality of resistors, each resistor is connected between the main controller and the ac charging pile connection socket through a controllable switch, the main controller is in control connection with the controllable switch, the main controller is connected between the main controller and the ac charging pile connection socket through the controllable switch control resistor, so that the main controller obtains a CP signal sent by the ac charging pile, and the ac charging pile obtains a return signal of the main controller.
6. The mobile charging device for the new energy automobile according to claim 1, wherein the charging module comprises a rectifier bridge module and a charging management module, the input end of the rectifier bridge module is used as the input end of the charging module, the output end of the rectifier bridge module is connected with the input end of the charging management module, the output end of the charging management module is used as the output end of the charging module, and the main controller is in control connection with the charging management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223409186.5U CN218997759U (en) | 2022-12-16 | 2022-12-16 | Movable charging device for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223409186.5U CN218997759U (en) | 2022-12-16 | 2022-12-16 | Movable charging device for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218997759U true CN218997759U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223409186.5U Active CN218997759U (en) | 2022-12-16 | 2022-12-16 | Movable charging device for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218997759U (en) |
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2022
- 2022-12-16 CN CN202223409186.5U patent/CN218997759U/en active Active
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