CN212289715U - Electric vehicle power line communication system and electric vehicle system - Google Patents
Electric vehicle power line communication system and electric vehicle system Download PDFInfo
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- CN212289715U CN212289715U CN202020667781.0U CN202020667781U CN212289715U CN 212289715 U CN212289715 U CN 212289715U CN 202020667781 U CN202020667781 U CN 202020667781U CN 212289715 U CN212289715 U CN 212289715U
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Abstract
The utility model relates to an electric motor car communication technology field specifically discloses an electric motor car power line communication system, wherein, include: the battery signal synthesizing and separating circuit, the central control signal synthesizing and separating circuit and the controller signal synthesizing and separating circuit are all electrically connected with the battery signal synthesizing and separating circuit through a power bus, the battery signal synthesizing and separating circuit is arranged on the battery unit, the central control signal synthesizing and separating circuit is arranged on the central control unit, and the controller signal synthesizing and separating circuit is arranged on the controller unit. The utility model also discloses an electric motor car system. The utility model provides an electric motor car power line communication system has simplified electric motor car assembly line system, has saved the cost simultaneously.
Description
Technical Field
The utility model relates to an electric motor car communication technology field especially relates to an electric motor car power line communication system reaches electric motor car system including this electric motor car power line communication system.
Background
With the development of intellectualization, the intellectualization is applied more and more to the electric vehicle, information is mutually transmitted among all electric units of the intelligent electric vehicle in a bus communication mode, and a communication network is required to be established among all electric units in the intelligent electric vehicle. The market is basically networked in a wired network communication mode, so that an assembly line system of the intelligent electric vehicle is relatively complex and high in cost.
Disclosure of Invention
The utility model provides an electric motor car power line communication system reaches electric motor car system including this electric motor car power line communication system, solves the complicated and with high costs problem of electric motor car assembly line system that exists among the correlation technique.
As a first aspect of the present invention, there is provided an electric vehicle power line communication system, wherein, include: the battery signal synthesizing and separating circuit, the central control signal synthesizing and separating circuit and the controller signal synthesizing and separating circuit are electrically connected with the battery signal synthesizing and separating circuit through a power bus, the battery signal synthesizing and separating circuit is arranged on a battery unit, the central control signal synthesizing and separating circuit is arranged on a central control unit, the controller signal synthesizing and separating circuit is arranged on a controller unit,
the battery signal synthesizing and separating circuit can transmit the power voltage and the communication modulation signal output by the battery unit to the central control signal synthesizing and separating circuit and the controller signal synthesizing and separating circuit respectively through the power bus.
Further, still include: converter signal synthesis and separation circuit, converter signal synthesis and separation circuit set up on the converter unit, converter signal synthesis and separation circuit pass through the electric door lock bus with battery signal synthesis and separation circuit electricity are connected, wherein the electric door lock bus pass through electric door lock control unit with power bus connects.
Further, still include: the instrument signal synthesizing and separating circuit is arranged on the instrument display unit and is electrically connected with the battery signal synthesizing and separating circuit through the electric door lock bus.
Further, the converter signal synthesizing and separating circuit and the meter signal synthesizing and separating circuit each include:
one end of the first inductor is connected with the electric door lock bus, the other end of the first inductor is an output end, one end of the first capacitor is connected with the other end of the first inductor, the other end of the first capacitor is connected with a communication modulation signal,
the first inductor is used for isolating a communication modulation signal on the electric door lock bus from a high-voltage direct-current voltage in the electric door lock control unit;
the first capacitor is used for modulating the communication modulation signal to the electric door lock voltage in the electric door lock unit.
Furthermore, the anti-theft device signal synthesis and separation circuit is arranged on the anti-theft device unit and is electrically connected with the controller signal synthesis and separation circuit, and the anti-theft device signal synthesis and separation circuit is also electrically connected with the battery signal synthesis and separation circuit through the power bus.
Further, the burglar alarm signal synthesizing and separating circuit and the central control signal synthesizing and separating circuit each include:
one end of the second inductor is connected with the power bus, the other end of the second inductor is an output end, one end of the second capacitor is connected with the other end of the second inductor, and the other end of the second capacitor is connected with a communication modulation signal;
the second inductor is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
the second capacitor is used for modulating the communication modulation signal to the power voltage on the power bus.
Further, the controller signal synthesizing and separating circuit includes:
the power bus comprises a third inductor, a fourth inductor and a third capacitor, wherein one end of the third inductor is connected with the electric door lock bus, the other end of the third inductor is an output end, one end of the third capacitor is connected with the other end of the third inductor, the other end of the third capacitor is connected with a communication modulation signal, one end of the fourth inductor is connected with the power bus, and the other end of the fourth inductor is an output end;
the third inductor is used for isolating a communication modulation signal on the electric door lock bus from a high-voltage direct-current voltage in the electric door lock control unit;
the fourth inductor is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
the third capacitor is used for modulating the communication modulation signal to the electric door lock voltage in the electric door lock unit.
Further, the battery signal synthesizing and separating circuit includes:
one end of the fifth inductor is connected with a battery power voltage output end, the other end of the fifth inductor is an output end, one end of the fourth capacitor is connected with the other end of the fifth inductor, and the other end of the fourth capacitor is connected with a communication modulation signal;
the fifth inductor is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
and the fourth capacitor is used for modulating the communication modulation signal to the power voltage on the power bus.
As another aspect of the present invention, there is provided an electric vehicle system, including: the electric vehicle power line communication system comprises a battery unit, a central control unit, a controller unit and the electric vehicle power line communication system, wherein the central control unit and the controller unit are electrically connected with the battery unit through a power bus;
the electric vehicle power line communication system can realize communication signal transmission and power signal transmission among the battery unit, the central control unit and the controller unit.
Further, still include: an electric door lock control unit, an anti-theft device unit, a converter unit and an instrument display unit, wherein the anti-theft device unit is electrically connected with the controller unit, the burglar alarm unit is connected to the battery unit through the power bus, the converter unit and the instrument display unit are connected to the electric door lock control unit through an electric door lock bus, the electric door lock control unit is respectively and electrically connected with the battery unit, the controller unit and the power bus, when the electric vehicle power line communication system further comprises a converter signal synthesizing and separating circuit, an instrument signal synthesizing and separating circuit and an anti-theft device signal synthesizing and separating circuit, the converter signal synthesizing and separating circuit is arranged on the converter unit, the instrument signal synthesizing and separating circuit is arranged on the instrument display unit, and the burglar alarm signal synthesizing and separating circuit is arranged on the burglar alarm unit.
The utility model provides an electric motor car power line communication system, through setting up battery signal synthesis and separating circuit on the battery unit respectively, control signal synthesis and separating circuit and set up controller signal synthesis and separating circuit on the controller unit in setting up in the well accuse unit, realize communication and power signal transmission between battery unit and well accuse unit and the controller unit, can save the required wired communication network of original communication between each electric unit of electric motor car like this, electric motor car assembly line system has been simplified greatly, the cost of assembly line system has been saved simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a block diagram of the power line communication system of the electric vehicle provided by the present invention.
Fig. 2 is the utility model provides an electric motor car power line communication system's embodiment structure sketch map.
Fig. 3 is a schematic circuit diagram of the converter signal synthesizing and separating circuit and the instrument signal synthesizing and separating circuit provided by the present invention.
Fig. 4 is a schematic circuit diagram of the signal synthesizing and separating circuit of the burglar alarm provided by the present invention.
Fig. 5 is a schematic circuit diagram of a controller signal synthesizing and separating circuit provided by the present invention.
Fig. 6 is a schematic circuit diagram of a battery signal synthesizing and separating circuit provided by the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, 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, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, an electric vehicle power line communication system is provided, and fig. 1 is a block diagram of an electric vehicle power line communication system 100 provided according to an embodiment of the present invention, as shown in fig. 1, including: a battery signal synthesizing and separating circuit 110, a central control signal synthesizing and separating circuit 120 and a controller signal synthesizing and separating circuit 130, wherein the central control signal synthesizing and separating circuit 120 and the controller signal synthesizing and separating circuit 130 are all electrically connected with the battery signal synthesizing and separating circuit 110 through a power bus 140, the battery signal synthesizing and separating circuit 110 is arranged on a battery unit 200, the central control signal synthesizing and separating circuit 120 is arranged on a central control unit 300, the controller signal synthesizing and separating circuit 130 is arranged on a controller unit 400,
the battery signal synthesizing and separating circuit 110 can transmit the power voltage and the communication modulation signal output from the battery unit to the central control signal synthesizing and separating circuit 120 and the controller signal synthesizing and separating circuit 130, respectively, through the power bus 140.
The embodiment of the utility model provides an electric motor car power line communication system, through setting up battery signal synthesis and separating circuit on battery unit respectively, control signal synthesis and separating circuit and set up controller signal synthesis and separating circuit on the controller unit in setting up in well accuse unit, realize communication and power signal transmission between battery unit and well accuse unit and the controller unit, can save the required wired communication network of original communication between each electric unit of electric motor car like this, electric motor car assembly line system has been simplified greatly, the cost of assembly line system has been saved simultaneously.
It should be noted that the controller unit 400 is used for controlling the motor and the speed regulation and braking of the electric vehicle.
Specifically, as shown in fig. 2, the electric vehicle power line communication system further includes: a converter signal synthesizing and separating circuit 150, the converter signal synthesizing and separating circuit 150 being disposed on the converter unit 500, the converter signal synthesizing and separating circuit 150 being electrically connected with the battery signal synthesizing and separating circuit 110 through a switch lock bus 160, wherein the switch lock bus 160 is connected with the power bus 140 through a switch lock control unit 600.
It should be understood that the converter unit 500 is connected to the battery unit 200 through the electric door lock control unit 600, and the output end of the converter unit 500 is connected to the light control unit to control the light of the electric vehicle.
Specifically, as shown in fig. 2, the electric vehicle power line communication system further includes: and a meter signal synthesizing and separating circuit 170, the meter signal synthesizing and separating circuit 170 being provided on the meter display unit 700, the meter signal synthesizing and separating circuit 170 being electrically connected with the battery signal synthesizing and separating circuit 110 through the electric door lock bus 160.
It should be understood that the meter display unit 700 is connected to the battery unit through the electric door lock control unit to control the meter display of the electric vehicle.
Specifically, as shown in fig. 3, the converter signal synthesizing and separating circuit 150 and the meter signal synthesizing and separating circuit 170 each include:
a first inductor L5 and a first capacitor C4, wherein one end of the first inductor L5 is connected to the electric door lock bus 160, the other end of the first inductor L5 is an output end, one end of the first capacitor C4 is connected to the other end of the first inductor L5, the other end of the first capacitor C4 is connected to a communication modulation signal,
the first inductor L5 is used to isolate the communication modulation signal on the electric door lock bus 160 from the high-voltage dc voltage in the electric door lock control unit 600;
the first capacitor C4 is used to modulate the communication modulation signal onto the electric door lock voltage in the electric door lock unit 600.
Specifically, as shown in fig. 2, the electric vehicle power line communication system further includes an anti-theft device signal synthesizing and separating circuit 180, the anti-theft device signal synthesizing and separating circuit 180 is disposed on an anti-theft device unit 800, the anti-theft device signal synthesizing and separating circuit 180 is electrically connected to the controller signal synthesizing and separating circuit 130, and the anti-theft device signal synthesizing and separating circuit 180 is also electrically connected to the battery signal synthesizing and separating circuit 110 through the power bus 140.
Further specifically, as shown in fig. 4, the burglar alarm signal synthesizing and separating circuit 180 and the central control signal synthesizing and separating circuit 120 each include:
a second inductor L2 and a second capacitor C2, wherein one end of the second inductor L2 is connected to the power bus 140, the other end of the second inductor L2 is an output end, one end of the second capacitor C2 is connected to the other end of the second inductor L2, and the other end of the second capacitor C2 is connected to a communication modulation signal;
the second inductor L2 is used to isolate the communication modulation signal on the power bus 140 from the high voltage dc voltage on the power bus;
the second capacitor C2 is used to modulate the communication modulation signal onto the power voltage on the power bus 140.
Specifically, as shown in fig. 5, the controller signal synthesizing and separating circuit 130 includes: a third inductor L3, a fourth inductor L4, and a third capacitor C3, wherein one end of the third inductor L3 is connected to the electric door lock bus 160, the other end of the third inductor L3 is an output end, one end of the third capacitor C3 is connected to the other end of the third inductor L3, the other end of the third capacitor C3 is connected to a communication modulation signal, one end of the fourth inductor L4 is connected to the power bus 140, and the other end of the fourth inductor L4 is an output end;
the third inductor L3 is used for isolating the communication modulation signal on the electric door lock bus from the high-voltage direct-current voltage in the electric door lock control unit;
the fourth inductor L4 is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
the third capacitor C3 is used to modulate the communication modulation signal onto the electric door lock voltage in the electric door lock unit.
Specifically, as shown in fig. 6, the battery signal synthesizing and separating circuit 110 includes:
a fifth inductor L1 and a fourth capacitor C1, one end of the fifth inductor L1 is connected to a battery power voltage output end, the other end of the fifth inductor L1 is an output end, one end of the fourth capacitor C1 is connected to the other end of the fifth inductor L1, and the other end of the fourth capacitor C1 is connected to a communication modulation signal;
the fifth inductor L1 is used for isolating communication modulation signals on the power bus from high-voltage direct-current voltage on the power bus;
the fourth capacitor C1 is used to modulate the communication modulation signal onto the power voltage on the power bus.
As another embodiment of the present invention, there is provided an electric vehicle system, wherein as shown in fig. 2, the electric vehicle system includes: a battery unit 200, a central control unit 300, a controller unit 400 and the electric vehicle power line communication system 100 described above, wherein the central control unit 300 and the controller unit 400 are electrically connected with the battery unit 200 through the power bus 140, the battery signal synthesizing and separating circuit 110 in the electric vehicle power communication system 100 is arranged on the battery unit 200, the central control signal synthesizing and separating circuit 120 in the electric vehicle power communication system 100 is arranged on the central control unit 300, and the controller signal synthesizing and separating circuit 130 in the electric vehicle power line communication system 100 is arranged on the controller unit 400;
the electric vehicle power line communication system 100 enables communication signal transmission and power signal transmission among the battery unit 200, the central control unit 300, and the controller unit 400.
The embodiment of the utility model provides an electric motor car system, electric motor car power line communication system in the preamble has been adopted, through setting up battery signal synthesis and separating circuit on the battery unit respectively, control signal synthesis and separating circuit and set up controller signal synthesis and separating circuit on the controller unit in setting up in well accuse unit, realize communication and power signal transmission between battery unit and well accuse unit and the controller unit, can save the required wired communication network of original communication between each electric unit of electric motor car like this, electric motor car assembly line system has been simplified greatly, the cost of assembly line system has been saved simultaneously.
Specifically, as shown in fig. 2, the electric vehicle system further includes: the electric door lock control unit 600, the burglar alarm unit 800, the converter unit 500 and the meter display unit 700, the burglar alarm unit 500 is electrically connected with the controller unit 400, the burglar alarm unit 500 is connected to the battery unit 200 through the power bus 140, the converter unit 500 and the meter display unit 700 are connected to the electric door lock control unit 600 through the electric door lock bus 160, the electric door lock control unit 600 is respectively electrically connected with the battery unit 200, the controller unit 400 and the power bus 140, when the electric vehicle power line communication system 100 further comprises the converter signal synthesizing and separating circuit 150, the meter signal synthesizing and separating circuit 170 and the burglar alarm signal synthesizing and separating circuit 180, the converter signal synthesizing and separating circuit 150 is arranged on the converter unit 500, the meter signal synthesizing and separating circuit 170 is arranged on the meter display unit 700, the immobilizer signal synthesizing and separating circuit 180 is provided on the immobilizer unit 500.
It should be understood that the specific structures and operating principles of the battery unit, the central control unit, the controller unit, the converter unit, the electric door lock control unit, the meter display unit and the burglar alarm unit are well known to those skilled in the art, and will not be described herein in detail.
The working principle of the electric vehicle system according to the embodiment of the present invention will be described in detail with reference to fig. 2 to 6.
The embodiment of the utility model provides an electric motor car system, including battery unit 200 and the battery signal synthesis and the separating circuit 110 of setting on it, controller unit 400 and the controller signal synthesis and the separating circuit 130 of setting on it, well accuse unit 300 and the well accuse signal synthesis and the separating circuit 120 of setting on it, alarm unit 800 and the alarm signal synthesis and the separating circuit 180 of setting on it, instrument display unit 700 and the instrument signal synthesis and the separating circuit 170 of setting on it, converter unit 500 and the converter signal synthesis and the separating circuit 150 of setting on it, power bus 140, electric door lock control unit 600 and electric door lock bus 160.
Specifically, the battery unit 200 outputs the power voltage required by the whole electric vehicle and the communication modulation signal of the battery unit passes through the battery signal synthesizing and separating circuit 110 and then passes through the power bus 140, the controller unit 400, the central control unit 300, the burglar alarm unit 800, the electric door lock control unit 600, the power bus 140 passes through the electric door lock control unit 600 and the electric door lock bus 160, the electric door lock bus 160 and the controller unit 400, the converter unit 500, and the instrument display unit 700 are connected. The power voltage lines and communication modulation signals in the battery unit 200, the central control unit 300, the burglar alarm unit 800, the controller unit 400, the converter unit 500, the meter display unit 700 and the electric door lock control unit 600 are connected to the power bus 140 or the electric door lock bus 160 through the battery signal synthesizing and separating circuit 110, the burglar alarm signal synthesizing and separating circuit 180, the controller signal synthesizing and separating circuit 130, the converter signal synthesizing and separating circuit 150 and the meter signal synthesizing and separating circuit 170 corresponding to each other, so that the communication between the units is realized by using the network formed by the power bus 140 and the electric door lock bus 160.
The battery unit 200, the central control unit 300, the burglar alarm unit 800, the controller unit 400, the converter unit 500, the meter display unit 700 and the electric door lock control unit 600 respectively corresponding battery signal synthesizing and separating circuit 110, burglar alarm signal synthesizing and separating circuit 180, controller signal synthesizing and separating circuit 130, converter signal synthesizing and separating circuit 150, meter signal synthesizing and separating circuit 170 in the effect of the inductance is the handle the power bus 140 or the communication modulation signal on the electric door lock bus 160 and the battery unit 200, the central control unit 300, the burglar alarm unit 800, the controller unit 400, the converter unit 500, the meter display unit 700, the high voltage direct current (the power voltage of connecting the battery unit output) in the electric door lock control unit 600 is isolated, the capacitors are used for superimposing communication modulation signals on the power bus 140 or the electric door lock bus 160 for transmission when the battery unit 200, the central control unit 300, the burglar alarm unit 800, the controller unit 400, the converter unit 500, the meter display unit 700 and the electric door lock control unit 600 perform communication transmission, and taking out the communication modulation signals from the power bus 140 or the electric door lock bus 160 for reception when the communication is received.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. An electric vehicle power line communication system, comprising: the battery signal synthesizing and separating circuit, the central control signal synthesizing and separating circuit and the controller signal synthesizing and separating circuit are electrically connected with the battery signal synthesizing and separating circuit through a power bus, the battery signal synthesizing and separating circuit is arranged on a battery unit, the central control signal synthesizing and separating circuit is arranged on a central control unit, the controller signal synthesizing and separating circuit is arranged on a controller unit,
the battery signal synthesizing and separating circuit can transmit the power voltage and the communication modulation signal output by the battery unit to the central control signal synthesizing and separating circuit and the controller signal synthesizing and separating circuit respectively through the power bus.
2. The electric vehicle power line communication system of claim 1, further comprising: converter signal synthesis and separation circuit, converter signal synthesis and separation circuit set up on the converter unit, converter signal synthesis and separation circuit pass through the electric door lock bus with battery signal synthesis and separation circuit electricity are connected, wherein the electric door lock bus pass through electric door lock control unit with power bus connects.
3. The electric vehicle power line communication system of claim 2, further comprising: the instrument signal synthesizing and separating circuit is arranged on the instrument display unit and is electrically connected with the battery signal synthesizing and separating circuit through the electric door lock bus.
4. The electric vehicle power line communication system of claim 3, wherein the converter signal synthesizing and separating circuit and the meter signal synthesizing and separating circuit each comprise:
one end of the first inductor is connected with the electric door lock bus, the other end of the first inductor is an output end, one end of the first capacitor is connected with the other end of the first inductor, the other end of the first capacitor is connected with a communication modulation signal,
the first inductor is used for isolating a communication modulation signal on the electric door lock bus from a high-voltage direct-current voltage in the electric door lock control unit;
the first capacitor is used for modulating the communication modulation signal to the electric door lock voltage in the electric door lock unit.
5. The electric vehicle power line communication system according to any one of claims 1 to 4, further comprising an immobilizer signal synthesizing and separating circuit provided on an immobilizer unit, the immobilizer signal synthesizing and separating circuit being electrically connected to the controller signal synthesizing and separating circuit, the immobilizer signal synthesizing and separating circuit being further electrically connected to the battery signal synthesizing and separating circuit through the power bus.
6. The electric vehicle power line communication system of claim 5, wherein the burglar alarm signal synthesizing and separating circuit and the central control signal synthesizing and separating circuit each comprise:
one end of the second inductor is connected with the power bus, the other end of the second inductor is an output end, one end of the second capacitor is connected with the other end of the second inductor, and the other end of the second capacitor is connected with a communication modulation signal;
the second inductor is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
the second capacitor is used for modulating the communication modulation signal to the power voltage on the power bus.
7. The electric vehicle power line communication system of claim 2, wherein the controller signal synthesizing and separating circuit comprises:
the power bus comprises a third inductor, a fourth inductor and a third capacitor, wherein one end of the third inductor is connected with the electric door lock bus, the other end of the third inductor is an output end, one end of the third capacitor is connected with the other end of the third inductor, the other end of the third capacitor is connected with a communication modulation signal, one end of the fourth inductor is connected with the power bus, and the other end of the fourth inductor is an output end;
the third inductor is used for isolating a communication modulation signal on the electric door lock bus from a high-voltage direct-current voltage in the electric door lock control unit;
the fourth inductor is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
the third capacitor is used for modulating the communication modulation signal to the electric door lock voltage in the electric door lock unit.
8. The electric vehicle power line communication system of any one of claims 1 to 4, wherein the battery signal synthesizing and separating circuit comprises:
one end of the fifth inductor is connected with a battery power voltage output end, the other end of the fifth inductor is an output end, one end of the fourth capacitor is connected with the other end of the fifth inductor, and the other end of the fourth capacitor is connected with a communication modulation signal;
the fifth inductor is used for isolating the communication modulation signal on the power bus from the high-voltage direct-current voltage on the power bus;
and the fourth capacitor is used for modulating the communication modulation signal to the power voltage on the power bus.
9. An electric vehicle system, comprising: the electric vehicle power line communication system comprises a battery unit, a central control unit, a controller unit and the electric vehicle power line communication system according to any one of claims 1 to 8, wherein the central control unit and the controller unit are electrically connected with the battery unit through the power bus, a battery signal synthesizing and separating circuit in the electric vehicle power line communication system is arranged on the battery unit, a central control signal synthesizing and separating circuit in the electric vehicle power line communication system is arranged on the central control unit, and a controller signal synthesizing and separating circuit in the electric vehicle power line communication system is arranged on the controller unit;
the electric vehicle power line communication system can realize communication signal transmission and power signal transmission among the battery unit, the central control unit and the controller unit.
10. The electric vehicle system of claim 9, further comprising: an electric door lock control unit, an anti-theft device unit, a converter unit and an instrument display unit, wherein the anti-theft device unit is electrically connected with the controller unit, the burglar alarm unit is connected to the battery unit through the power bus, the converter unit and the instrument display unit are connected to the electric door lock control unit through an electric door lock bus, the electric door lock control unit is respectively and electrically connected with the battery unit, the controller unit and the power bus, when the electric vehicle power line communication system further comprises a converter signal synthesizing and separating circuit, an instrument signal synthesizing and separating circuit and an anti-theft device signal synthesizing and separating circuit, the converter signal synthesizing and separating circuit is arranged on the converter unit, the instrument signal synthesizing and separating circuit is arranged on the instrument display unit, and the burglar alarm signal synthesizing and separating circuit is arranged on the burglar alarm unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020667781.0U CN212289715U (en) | 2020-04-27 | 2020-04-27 | Electric vehicle power line communication system and electric vehicle system |
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| CN202020667781.0U CN212289715U (en) | 2020-04-27 | 2020-04-27 | Electric vehicle power line communication system and electric vehicle system |
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