CN217048299U - Charging conversion device based on OBC and new energy vehicle - Google Patents
Charging conversion device based on OBC and new energy vehicle Download PDFInfo
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- CN217048299U CN217048299U CN202220644528.2U CN202220644528U CN217048299U CN 217048299 U CN217048299 U CN 217048299U CN 202220644528 U CN202220644528 U CN 202220644528U CN 217048299 U CN217048299 U CN 217048299U
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Abstract
The utility model belongs to the technical field of new forms of energy car charge control, especially, relate to a conversion equipment and new forms of energy car charge based on OBC, the device includes former car AC base connection port, power management system and fills electric pile connection port, still includes: insulation detection protection circuit, insulation detection protection circuit with former car AC base connection port power management system with it all connects to fill electric pile connection port, power management system is in it is connected to fill electric pile connection port and direct current and fill electric pile, and when the direct current fills electric pile and carries out insulation detection, send the signal of telecommunication extremely insulation detection protection circuit, so that insulation detection protection circuit disconnection, and then the disconnection direct current fills electric pile fill electric pile connection port, insulation detection protection circuit, former car AC base connection port and return circuit between the on-vehicle OBC. The utility model discloses greatly promote convenience in use and security performance, satisfy user's the user demand that charges.
Description
Technical Field
The utility model belongs to the technical field of the new forms of energy car charge control, especially, relate to a conversion equipment and new forms of energy car charge based on OBC.
Background
The new energy vehicle adopts unconventional vehicle fuel as a power source. Or the conventional vehicle fuel is used, a novel vehicle-mounted power device is adopted, advanced technologies in the aspects of power control and driving of the vehicle are integrated, and the formed automobile is advanced in technical principle, new in technology and new in structure.
At present, in order to facilitate charging of new energy vehicles, various charging schemes are provided on the market, for example, an invention patent with the application number of CN202120285751.8 discloses a charging conversion device for new energy vehicles and a new energy vehicle, wherein the charging conversion device for new energy vehicles comprises an original vehicle alternating current base connection port, and according to the technical scheme in the patent document, an alternating current charging vehicle can be charged through a direct current charging pile, so that charging is convenient to achieve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conversion equipment and new forms of energy car charge based on OBC aims at solving the technical problem that conversion equipment charges among the prior art and use the convenience low.
In order to achieve the above object, an embodiment of the present invention provides an OBC-based charging conversion apparatus, including an original vehicle ac base connection port, a power management system and a charging pile connection port, where the original vehicle ac base connection port is used for connecting with an ac charging base of an ac charging vehicle, the power management system is connected with the original vehicle ac base connection port, the charging pile connection port is connected with the power management system, the original vehicle ac base connection port is further used for connecting with a vehicle-mounted OBC, the vehicle-mounted OBC is connected with an original vehicle contactor, and the original vehicle contactor is connected with an original vehicle battery; further comprising:
insulation detection protection circuit, insulation detection protection circuit with former car AC base connection port power management system with it all connects to fill electric pile connection port, power management system is in it is connected to fill electric pile connection port and direct current and fill electric pile, and when the direct current fills electric pile and carries out insulation detection, send the signal of telecommunication extremely insulation detection protection circuit, so that insulation detection protection circuit disconnection, and then the disconnection direct current fills electric pile fill electric pile connection port, insulation detection protection circuit, former car AC base connection port and return circuit between the on-vehicle OBC.
Optionally, the insulation detection protection circuit comprises a controllable relay; the first end of the controllable relay is connected with the power management system, the second end of the controllable relay is connected with the charging pile connecting port, and the third end of the controllable relay is connected with the original vehicle alternating current base connecting port; the power management system sends the signal of telecommunication extremely during controllable relay's first end, controllable relay breaks off its second end and third end, and then the disconnection direct current fill electric pile connection port, insulation detection protection circuit, former car AC base connection port and return circuit between the on-vehicle OBC.
Optionally, the charging pile further comprises a boost circuit, the boost circuit is connected with the power management system, and the boost circuit is further connected with the charging pile connection port.
Optionally, the charging pile further comprises a voltage sampling circuit, the voltage sampling circuit is connected with the power management system, and the voltage sampling circuit is further connected with the charging pile connection port.
Optionally, the power management system further comprises a gun insertion detection resistor, one end of the gun insertion detection resistor is connected with the charging pile connection port, and the other end of the gun insertion detection resistor is connected with the power management system.
Optionally, still include adorn bluetooth module outward, adorn bluetooth module's one end outward with power management system connects, adorn bluetooth module's the other end outward and be used for communicating with on-vehicle OBC bluetooth module.
Optionally, the power management system is further connected to a gun insertion confirmation connection terminal CC of the original vehicle ac base connection port.
The embodiment of the utility model provides an among the OBC based conversion equipment that charges above-mentioned one or more technical scheme have one of following technological effect at least:
the utility model has the advantages that the insulation detection protection circuit is arranged, so that the charging pile connection port is connected with the direct current charging pile, when charging is needed through the direct current charging pile, the power management system sends an electric signal to the insulation detection protection circuit when the charging pile connection port is connected with the direct current charging pile and the direct current charging pile performs insulation detection, so that the insulation detection protection circuit is disconnected, the direct current charging pile, the charging pile connection port, the insulation detection protection circuit, the original vehicle alternating current base connection port and a loop between the vehicle OBCs are disconnected, the safety performance in the use process is greatly improved, on one hand, the structure of the whole conversion device is simple, the production cost is greatly reduced, on the other hand, a manual re-touch switch is not needed, and the convenience and the safety performance in use are greatly improved by arranging the insulation detection protection circuit, the charging use requirements of users are met.
In order to achieve the above objective, an embodiment of the utility model provides a new energy vehicle, the new energy vehicle includes charge conversion equipment based on OBC.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the new forms of energy car has one of following technological effect at least:
new forms of energy car include charging conversion equipment based on OBC, the event also has the advantage that satisfies user's the user demand that charges.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a circuit structure block diagram of the OBC-based charging conversion device provided in the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. connecting ports of the original vehicle alternating current base; 200. a power management system; 300. the charging pile is connected with the port; 410. Vehicle-mounted OBC; 420. connecting an original vehicle contactor; 430. connecting the original vehicle battery; 510. an insulation detection protection circuit; 520. a boost circuit; 530. a voltage sampling circuit; 540. adorn bluetooth module outward.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1, a charging conversion device based on OBC is provided, which includes an original vehicle ac base connection port 100, a power management system 200 and a charging pile connection port 300.
The original vehicle alternating current base connection port 100 is used for being connected with an alternating current charging base of an alternating current charging vehicle, the power management system 200 is connected with the original vehicle alternating current base connection port 100, and the charging pile connection port 300 is connected with the power management system 200.
Former car exchanges base connection port 100 and is still used for being connected with on-vehicle OBC410, on-vehicle OBC410 is connected 420 with former car contactor, former car contactor is connected 430 with former car battery.
Charging conversion equipment based on OBC still includes insulation detection protection circuit 510, insulation detection protection circuit 510 with former car AC base connection port 100 power management system 200 with it all connects to fill electric pile connection port 300, power management system 200 is in it connects to fill electric pile connection port 300 and direct current and fill electric pile and be connected, and direct current fills electric pile and carry out insulation detection time measuring, sends the signal of telecommunication extremely insulation detection protection circuit 510, so that insulation detection protection circuit 510 disconnection, and then the disconnection direct current fills electric pile fill electric pile connection port 300, insulation detection protection circuit 510, former car AC base connection port 100 and return circuit between the on-vehicle OBC 410.
The utility model, by arranging the insulation detection protection circuit 510, makes the charging pile connection port 300 connect with the DC charging pile, when charging is needed through the DC charging pile, the power management system 200 sends an electric signal to the insulation detection protection circuit 510 when the charging pile connection port 300 connects with the DC charging pile and the DC charging pile performs insulation detection, so as to break the insulation detection protection circuit 510 and further break the DC charging pile, the charging pile connection port 300, the insulation detection protection circuit 510, the original vehicle AC base connection port 100 and the loop between the vehicle OBC410, thereby greatly improving the safety performance in the using process, and on one hand, the whole conversion device has simple structure, greatly reducing the production cost, on the other hand, no manual re-touch switch is needed, and by arranging the insulation detection protection circuit 510, greatly promote convenience of use and security performance, satisfy user's the user demand that charges.
In another embodiment of the present invention, as shown in fig. 1, the insulation detection protection circuit 510 includes a controllable relay; the first end of the controllable relay is connected with the power management system 200, the second end of the controllable relay is connected with the charging pile connection port 300, and the third end of the controllable relay is connected with the original vehicle alternating current base connection port 100.
When power management system 200 sent the signal of telecommunication extremely during controllable relay's first end, controllable relay breaks off its second end and third end, and then the disconnection direct current fill electric pile connection port 300, insulation detection protection circuit 510, former car exchange base connection port 100 and return circuit between the on-vehicle OBC 410. That is, when charging pile connection port 300 connects the direct current and fills the electric pile, fill electric pile because of the direct current and need carry out insulation detection, need break off the direct current during concrete detection and fill the connection between electric pile and the on-vehicle OBC410, prevent the incident, and then through setting up controllable relay realizes filling electric pile to the direct current fill electric pile connection port 300, insulation detection protection circuit 510, former car AC base connection port 100 with the disconnection in return circuit between the on-vehicle OBC410, and then guaranteed the security performance of direct current charging pile when charging.
Further, when normally charging, through power management system 200 sends the signal of telecommunication extremely controllable relay's first end makes controllable relay's second end and third end intercommunication, the electric energy that the electric pile was filled to the direct current passes through in proper order fill electric pile connection port 300 controllable relay with former car AC base connection port 100, conduct extremely in proper order on-vehicle OBC410, and then based on-vehicle OBC410 fills electric pile's direct current with the direct current and charges for former car battery behind the former car contactor for the alternating current, and then realizes charging for the new energy car that possesses the AC charging interface through the direct current stake.
When the controllable relay is used, a person skilled in the art specifically selects a proper model according to needs, and the application is not particularly limited.
In another embodiment of the present invention, as shown in fig. 1, the OBC-based charging conversion apparatus further includes a voltage boosting circuit 520, the voltage boosting circuit 520 is connected to the power management system 200, and the voltage boosting circuit 520 is further connected to the charging pile connection port 300. The direct current fills electric pile from taking 12V auxiliary power source, and the direct current fills electric pile from the voltage of 12V auxiliary power source output and arrives power management system 200 through fill electric pile connection port 300A + connection port and A-connection port, power management system 200 is based on boost circuit 520 rises 12V to 300V, and then makes direct current fill electric pile can detect 300V to normally open the charging flow.
In another embodiment of the present invention, as shown in fig. 1, the OBC-based charging conversion apparatus further includes a voltage sampling circuit 530, the voltage sampling circuit 530 is connected to the power management system 200, and the voltage sampling circuit 530 is further connected to the charging pile connection port 300. Specifically, the voltage sampling circuit 530 is used for collecting the output voltage of the direct current charging pile so as to detect that the voltage output by the direct current charging pile meets the charging requirement, and if the voltage reaches 200V, the power management system 200 controls the controllable relay to conduct the second end and the third end of the controllable relay, so that efficient charging is realized.
In another embodiment of the present invention, as shown in fig. 1, the charging conversion device based on OBC further includes a gun insertion detection resistor, one end of the gun insertion detection resistor is connected to the charging pile connection port 300, and the other end of the gun insertion detection resistor is connected to the power management system 200. The one end of rifle detection circuitry with fill electric pile connection port 300's CC1 link and connect, fill electric pile connection port 300's PE link still with power management system 200 connects, the direct current fill electric pile charge the rifle with fill electric pile connection port 300 and connect the back, power management system 200 is through detecting the voltage of inserting rifle detection resistance department, and the warp fill electric pile connection port 300's PE feedback to the direct current and fill electric pile to make the direct current fill electric pile judge whether to insert the rifle.
In another embodiment of the present invention, as shown in fig. 1, the OBC-based charging conversion device further includes an external bluetooth module 540, one end of the external bluetooth module 540 is connected to the power management system 200, and the other end of the external bluetooth module 540 is used for communicating with the on-vehicle OBC bluetooth module. Specifically, through adorn bluetooth module 540 outward, realized adorn bluetooth module 540 outward with on-vehicle OBC bluetooth module communication to through proper programming of technical personnel in this field and set up the display screen by oneself, realize functions such as the real-time display that charges based on bluetooth communication.
In another embodiment of the present invention, as shown in fig. 1, the power management system 200 is further connected to the gun insertion confirmation connection terminal CC of the original vehicle ac base connection port 100. Specifically, through setting up power management system 200 confirms the link CC with inserting the rifle and is connected, realizes when needs charge, through power management system 200 sends a signal extremely on-vehicle OBC410 is in order to start on-vehicle OBC410 realizes normal direct current to the conversion of exchanging, and then normally charges.
Further, in this embodiment, the power management system 200 is a BMS battery system. The on-board OBC410 is used for converting direct current into alternating current and charging the primary battery.
The utility model discloses a further embodiment, the actual form of the conversion equipment that charges based on OBC can be the adapter, also perhaps realizes the repacking to former car through the form of the secondary wiring of tee bend block terminal, and then realizes the conversion of charging.
In the utility model discloses a in another embodiment, as shown in fig. 1, the embodiment of the utility model provides a still provide a new forms of energy car, the new forms of energy car includes charge conversion equipment based on OBC.
New forms of energy car include charging conversion equipment based on OBC, the event also has the advantage that satisfies user's the user demand that charges.
It should be noted that the present invention is intended to protect the hardware circuit structure, and the software control portion should be known and mastered by those skilled in the art, that is, this portion should be programmed by those skilled in the art as required to implement the corresponding control, and this portion is not specifically described in this application.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A charging conversion device based on OBC comprises an original vehicle alternating current base connecting port, a power management system and a charging pile connecting port, wherein the original vehicle alternating current base connecting port is used for being connected with an alternating current charging base of an alternating current charging vehicle; further comprising:
insulation detection protection circuit, insulation detection protection circuit with former car AC base connection port power management system with fill electric pile connection port and all connect, power management system is in fill electric pile connection port and DC and fill electric pile and be connected, and when the DC fills electric pile and carry out insulation detection, send the signal of telecommunication extremely insulation detection protection circuit, so that insulation detection protection circuit disconnection, and then the disconnection DC fills electric pile fill electric pile connection port, insulation detection protection circuit, former car AC base connection port and return circuit between the on-vehicle OBC.
2. The OBC-based charge conversion device of claim 1, wherein the insulation detection protection circuit comprises a controllable relay; the first end of the controllable relay is connected with the power management system, the second end of the controllable relay is connected with the charging pile connecting port, and the third end of the controllable relay is connected with the original vehicle alternating current base connecting port; the power management system sends the signal of telecommunication extremely during controllable relay's first end, controllable relay breaks off its second end and third end, and then the disconnection direct current fill electric pile connection port, insulation detection protection circuit, former car AC base connection port and return circuit between the on-vehicle OBC.
3. The OBC-based charge conversion device of claim 1, further comprising a boost circuit, the boost circuit being connected to the power management system, the boost circuit being further connected to the charging post connection port.
4. The OBC-based charge conversion device of claim 1, further comprising a voltage sampling circuit, the voltage sampling circuit being connected to the power management system, the voltage sampling circuit being further connected to the charging post connection port.
5. The OBC-based charge conversion device of claim 1, further comprising a lance detection resistor, one end of the lance detection resistor being connected to the charging post connection port, the other end of the lance detection resistor being connected to the power management system.
6. The OBC-based charge conversion device of claim 1, further comprising an external bluetooth module, one end of the external bluetooth module being connected to the power management system, the other end of the external bluetooth module being configured to communicate with an on-board OBC bluetooth module.
7. The OBC-based charge conversion device of claim 1, wherein the power management system is further connected to a gun insertion confirmation connection CC of the primary ac chassis connection port.
8. A new energy vehicle comprising the OBC-based charge conversion device of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220644528.2U CN217048299U (en) | 2022-03-23 | 2022-03-23 | Charging conversion device based on OBC and new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220644528.2U CN217048299U (en) | 2022-03-23 | 2022-03-23 | Charging conversion device based on OBC and new energy vehicle |
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|---|---|
| CN217048299U true CN217048299U (en) | 2022-07-26 |
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| CN202220644528.2U Active CN217048299U (en) | 2022-03-23 | 2022-03-23 | Charging conversion device based on OBC and new energy vehicle |
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| CN (1) | CN217048299U (en) |
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- 2022-03-23 CN CN202220644528.2U patent/CN217048299U/en active Active
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