CN207869157U - A kind of electric vehicle charging communication device - Google Patents
A kind of electric vehicle charging communication device Download PDFInfo
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- CN207869157U CN207869157U CN201820354233.5U CN201820354233U CN207869157U CN 207869157 U CN207869157 U CN 207869157U CN 201820354233 U CN201820354233 U CN 201820354233U CN 207869157 U CN207869157 U CN 207869157U
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model provides a kind of electric vehicle charging communication device, including controller of vehicle, controller of vehicle includes main control module, and main control module includes the first input/output terminal, the second input/output terminal, serial line interface, also includes several control output ends；Controller of vehicle also includes CAN communication unit, the power line carrier module for being communicated with alternating-current charging pile realization data or CP line dilatation communication modules；Power line carrier module, CP line dilatations communication module are connected with main control module communication respectively；The serial line interface of main control module is connected with CAN communication unit, and CAN communication unit is connected to and the vehicle CAN bus of electric vehicle；Power line carrier module is connect with AC charging line；CP line dilatation communication modules are connect with the CP signal wires in Vehicular charging line；The beneficial effects of the utility model are：The capacity and efficiency of transmission data when can the charged information of battery be sent the external device (ED)s such as charging pile, while promote communication.
Description
Technical field
The utility model is related to electric vehicle charging technique fields, and in particular to a kind of electric vehicle charging communication device.
Background technology
According to national standard, electric vehicle only has CP lines in Vehicular charging line and PE lines for communicating in AC charging；
The information such as the charged situation of battery, charging remaining time cannot be transmitted charging pile by existing electric vehicle in charging, thus be charged
It stands existing charge information can not be carried out uploading and share, both charging person was facilitated to check charge information in mobile phone end, and be also convenient for
Other persons to be charged flexibly select charging pile or grasp the travel time；In addition, the signal of existing AC charging confirms mostly by " opening
The mode of pass, contact " realizes that PWM transmitting terminals do not have the function of receiving signal usually, can not identify a string of numbers in transmission
It is believed that number in, while including the signal of the multiple voltage magnitudes of such as 12V, 9V, 6V；Data communication capacity is promoted, transmission is more
Data, to solve this problem, it is necessary to be furtherd investigate.
Utility model content
For the deficiency in the presence of the prior art, the utility model provides a kind of electric vehicle charging communication device,
Purpose is the charged information of battery be sent the external device (ED)s such as charging pile, at the same when promoting communication transmission data capacity
And efficiency.
To achieve the above object, the utility model uses the following technical solution：
A kind of electric vehicle charging communication device, including controller of vehicle, controller of vehicle includes main control module, institute
It includes the first input/output terminal, the second input/output terminal, serial line interface to state main control module, also includes several control output ends,
Wherein the first input/output terminal, the second input/output terminal are for receiving, sending pwm signal；The controller of vehicle also includes
CAN communication unit, the power line carrier module for being communicated with alternating-current charging pile realization data or CP line dilatation communication modules；Its
In, power line carrier module, CP line dilatations communication module are connected with main control module communication respectively；The serial interface of main control module
Mouth is connected with CAN communication unit, and CAN communication unit is connected to and the vehicle CAN bus of electric vehicle, with the cell tube with electric vehicle
Reason system realizes CAN communication；Power line carrier module is connect with AC charging line；The CP lines dilatation communication module is filled with vehicle
CP signal wires connection in electric wire, the data-signal for receiving and sending while including multiple voltage values.
Further, the CP lines dilatation communication module includes voltage magnitude adjustment unit, signal conversion unit；The master
Control module includes the first input/output terminal, the second input/output terminal, also includes several control output ends；
The signal conversion unit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, hysteresis loop comparator, latch, with logic circuit,
And not circuit, ground resistance R2 and ground resistance R3；
The voltage magnitude adjustment unit includes switching switch S1, current-limiting resistance R1, NPN triode, base resistance R4, collection
Electrode resistance R5, third metal-oxide-semiconductor and the mutually different zener diode D1 of voltage stabilizing parameter, zener diode D2；
The base stage of the NPN triode is through the independent phase in the control output end one of base resistance R4 and main control module
Even；The emitter of NPN triode is connected with the DC reference ground terminal of CP line dilatation communication modules, the collector warp of NPN triode
Collector resistance R5 is connected with the DC power supply terminal of CP line dilatation communication modules, and the collector of NPN triode and third metal-oxide-semiconductor
Grid be connected；The cathode of the zener diode D1, the cathode of zener diode D2, the source electrode of third metal-oxide-semiconductor, the 2nd MOS
The drain electrode of pipe, the drain electrode of the first metal-oxide-semiconductor, the input terminal of hysteresis loop comparator are connected with each other；The anode of zener diode D1, voltage stabilizing two
The anode of pole pipe D2 is corresponding with the switching end of switching switch respectively to be connected, and switches switch common end and the 3rd MOS of switch
The drain electrode of pipe is connected, and the DC reference ground terminal of CP line dilatation communication modules is connected to through current-limiting resistance R1；
The source electrode of first metal-oxide-semiconductor, the second metal-oxide-semiconductor source electrode respectively with the first input/output terminal, the second input/output terminal one
One correspondence is connected；The grid of first metal-oxide-semiconductor is connected to the output end of and not circuit；The grid of second metal-oxide-semiconductor be connected to
The output end of logic circuit；It is connected to hysteresis after one of and not circuit and logic circuit input terminal are connected with each other
The output end of comparator；It is independently connected to NAND Logic after the latched device in two of which control output end of main control module
Circuit, the input terminal with logic circuit；The first input/output terminal, the second input/output terminal of main control module distinguish grounded electricity
R3 is hindered, ground resistance R2 is connected to the DC reference ground terminal of CP line dilatation communication modules.
Wireless communication module, power line carrier module and the realization of CP line dilatation communication modules may be selected in the utility model will be electric
The battery information of motor-car passes to the external device (ED)s such as charging pile or the network platform, and realizes profit by CP line dilatation communication modules
Data transmission capacity is promoted with existing charging CP line communication paths.
Compared with the prior art, the utility model has the advantages that：
(1) transmission data when, can the charged information of battery be sent the external device (ED)s such as charging pile, while promote communication
Capacity and efficiency；
(2) the pwm signal of different voltages amplitude, can be sent while be included, can also receive and differentiates while including different electricity
The pwm signal of pressure amplitude value increases the transmission capacity of pwm signal.
Description of the drawings
Fig. 1 is the principle logic diagram of embodiment.
Fig. 2 is CP line dilatation communication module schematics in embodiment.
Specific implementation mode
The technical solution in the utility model is further illustrated with reference to the accompanying drawings and embodiments.
A kind of electric vehicle charging communication device, including controller of vehicle, as shown in Figure 1, controller of vehicle includes master
Control module, the main control module include the first input/output terminal, the second input/output terminal, serial line interface, also include several
Control output end, wherein the first input/output terminal, the second input/output terminal are for receiving, sending pwm signal；The vehicle control
Device also includes CAN communication unit, the power line carrier module for being communicated with alternating-current charging pile realization data or CP line dilatations
Communication module；Wherein, power line carrier module, CP line dilatations communication module are connected with main control module communication respectively；Main control
The serial line interface of module is connected with CAN communication unit, and CAN communication unit is connected to and the vehicle CAN bus of electric vehicle, with electricity
The battery management system of motor-car realizes CAN communication；Power line carrier module is connect with AC charging line；Use power line carrier mould
When block, serial line interface and the power line carrier module of master controller communicate to connect；In addition, the CP lines dilatation communication module and vehicle
CP signal wires connection in charging wire, the data-signal for receiving and sending while including multiple voltage values.Pass through electric power
Line carrier module or CP line dilatation communication modules so that electric vehicle can be by the charged situation related data in battery management system
Charging pile or charging station are passed to, but also electric vehicle has the hardware item of the relevant informations such as the charge data for obtaining client's purchase
Part arranges convenient for everybody or selects plan of travel to realize the grasp to charging time or queuing time；And charging person's sheet
People can also obtain the more completely information such as the charge data of purchase, charging pile charged state.Pass through power line carrier module
The increase of signal transmission passage can be realized using AC charging line under the premise of meeting existing interface standard, hardware modification
Relative inexpensiveness.
As shown in Fig. 2, CP line dilatation communication modules include voltage magnitude adjustment unit, signal conversion unit；The master control
Molding block U1 includes the first input/output terminal t1, the second input/output terminal t2, also includes control output end t3-t5 and serial interface
Mouth t6；The serial line interface t6 of main control module is connected with CAN communication cell S e1, and CAN communication unit is connected to and the vehicle of electric vehicle
CAN bus, to realize CAN communication with the battery management system of electric vehicle；The main control module includes ARM embedded processings
One of which in device, FPGA；One side pin is more, extends and realizes convenient for scheme, on the other hand, the crystal oscillator frequency being correspondingly connected with
Rate is high, is conducive to the data capacity for promoting transmission；
The signal conversion unit include the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, hysteresis loop comparator A1, latch La1, with
Logic circuit U2, and not circuit U3, ground resistance R2 and ground resistance R3；
The voltage magnitude adjustment unit include switching switch S1, current-limiting resistance R1, NPN triode Q4, base resistance R4,
Collector resistance R5, third metal-oxide-semiconductor Q3 and the mutually different zener diode D1 of voltage stabilizing parameter, zener diode D2；
The base stage of the NPN triode Q4 is individually connected through base resistance R4 with the control output end t5 of main control module；
The emitter of NPN triode Q4 is connected with the DC reference ground terminal of CP line dilatation communication modules, the collector warp of NPN triode Q4
Collector resistance R5 is connected with the DC power supply terminal of CP line dilatation communication modules, and the collector of NPN triode Q4 and the 3rd MOS
The grid of pipe Q3 is connected；The cathode of the zener diode D1, the cathode of zener diode D2, the source electrode of third metal-oxide-semiconductor Q3,
The drain electrode of two metal-oxide-semiconductor Q2, the drain electrode of the first metal-oxide-semiconductor Q1, the input terminal of hysteresis loop comparator A1 are connected with each other；Zener diode D1's
Anode, the anode of zener diode D2 are corresponding with the switching switching end of switch S1 connected respectively, the switch of switching switch S1
Common end is connected with the drain electrode of third metal-oxide-semiconductor Q3, and the DC reference of CP line dilatation communication modules is connected to through current-limiting resistance R1
Ground terminal；The switching switch S1 includes the one of which of analog switch, relay, and in order to control, control terminal also can be with master control
The control output end of molding block is connected.
The source electrode of first metal-oxide-semiconductor Q1, the source electrode Q2 of the second metal-oxide-semiconductor are defeated with the first input/output terminal t1, the second input respectively
Outlet t2, which is corresponded, to be connected；The grid of first metal-oxide-semiconductor Q1 is connected to the output end of and not circuit U2；Second metal-oxide-semiconductor
Grid is connected to the output end with logic circuit；It is and not circuit U2, mutual with one of logic circuit U3 input terminal
And the output end of hysteresis loop comparator A1 is connected to after connecing；The latched device of two of which control output end t3, t4 of main control module
And not circuit U2, the input terminal with logic circuit U3 are independently connected to after La1；First input of main control module is defeated
Outlet t1, the second input/output terminal t2 distinguish grounded resistance R3, and ground resistance R2 is connected to the straight of CP line dilatation communication modules
Flow reference ground.
Above-mentioned CP lines dilatation communication module also include signal sends driving unit, signal receives pressure regulation unit, driving power,
First transmitting-receiving control switch, the second transmitting-receiving control switch；Wherein, it includes the line that amplification factor is more than 1 that signal, which sends driving unit,
Property amplifier, can be used in-phase amplifier and emitter follower, the input terminal of in-phase amplifier sends driving unit as signal
Input terminal, the output end of in-phase amplifier is connected with the input terminal of emitter follower, and the output end of emitter follower is as letter
Number send driving unit output end；In-phase amplifier, emitter follower feeder ear by first transmitting-receiving control switch and drive
Dynamic power supply is connected；It includes the linear amplification unit that amplification factor is less than 1 that signal, which receives pressure regulation unit, and inverting amplifier can be used,
The input terminal of inverting amplifier receives the input terminal of pressure regulation unit as signal, and the output of inverting amplifier is received as signal adjusts
Press the output end of unit；The feeder ear of inverting amplifier is connected by the second transmitting-receiving control switch with driving power；Signal as a result,
It is inverted logic relationship on the whole to send the signal that driving unit is sent out and receive the signal that pressure regulation unit receives with signal, convenient for control
Identification and correction process of the unit processed for communication data；It is selected by the parameter designing of amplification factor and the size of driving power
It selects, the voltage logic of data communication can be easily provided in wider range, the driving capability of data communication is also increased；Letter
The feeder ear for number sending driving unit is connected through the first transmitting-receiving control switch with driving power, the power supply of signal reception pressure regulation unit
End is connected through the second transmitting-receiving control switch with driving power；Signal sends the input of driving unit, signal receives pressure regulation unit
Output is mutual and is connected to the input terminal of hysteresis loop comparator；Signal sends the output of driving unit, signal receives the defeated of pressure regulation unit
Enter the CP lines in the line connected with each other to Vehicular charging；The control terminal difference of first transmitting-receiving control switch, the second transmitting-receiving control switch
It is correspondingly connected with the input terminal for being connected to latch with logic circuit, and not circuit；It, can by the output of main control module
So that the first transmitting-receiving control switchs, second receives and dispatches control switch only one of which switch conduction simultaneously, to avoid pwm signal
Transmission ties up communication line when being received with pwm signal；On the other hand, it is controlled by the first transmitting-receiving control switch, the second transmitting-receiving
The switch conduction control of system switch so that any time only has signal transmission driving unit or signal to receive pressure regulation unit can be just
Often work, to kept for the while of communicating have protective effect, and although traditional protective circuit of diode has protection and makees
With, but can not compatible two-way communication.In addition, the output end in inverting amplifier and/or in-phase amplifier is further connected with overvoltage protection
Unit such as connects zener diode, to ensure the voltage security in data communication process, improves system reliability.
Using CP line dilatation communication modules when sending PWM waveform, signal, latched device are sent by main control module
Afterwards, only the first metal-oxide-semiconductor of selection or the conducting of the second metal-oxide-semiconductor, when third metal-oxide-semiconductor is connected, zener diode D1, two pole of voltage stabilizing are determined
Pipe D2 and switching switch are short-circuited, and the signal amplitude voltage that main control module is sent out is constant；When third metal-oxide-semiconductor is obstructed, switching is opened
Then signal amplitude can be restricted to corresponding voltage accordingly after pass S1 selection connections zener diode D1 or zener diode D2；
The antilogical of NPN triode is controlled by main control module, realizes the quick acting of third metal-oxide-semiconductor, you can sending out can be same
When can promote the capacity of pwm signal using this characteristic comprising different voltages amplitude pwm signal, i.e., by two or three of width
The pwm signal of value is simultaneously emitted by；
For CP line dilatation communication modules when preparing reception while comprising the pwm signal of two kinds of amplitudes, main control module is advance
Send out signal so that it is 1 that latch, which is output to the input of logic circuit, and not circuit, the element of hysteresis loop comparator
Parameter designing makes the high side voltage of its turnover voltage be more than the voltage that amplitude is smaller in pwm signal, thus only maximum in the signal
The output switching activity of hysteresis loop comparator or variation when the voltage of amplitude arrives.The voltage of highest amplitude signal when PWM count is according to transmission
Come interim, hysteresis loop comparator exports high level, then by with after logic circuit, and not circuit, the conducting of the second metal-oxide-semiconductor, the
One metal-oxide-semiconductor disconnects, and the second input/output terminal of main control module receives the high level of pwm signal；It is weak when PWM count is according to transmission
The voltage of amplitude signal comes interim, and due to the turnover voltage less than hysteresis loop comparator, hysteresis loop comparator exports low-voltage, by with
After logic circuit, and not circuit, the second metal-oxide-semiconductor disconnects, the conducting of the first metal-oxide-semiconductor；At this point, the second input of main control module
Output end is low level due to resistance grounded, and the first input/output terminal can then normally receive and identify the PWM letters of weak amplitude
Number.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (7)
- The communication device 1. a kind of electric vehicle charges, including controller of vehicle, it is characterised in that：Controller of vehicle includes master control Molding block, the main control module include the first input/output terminal, the second input/output terminal, serial line interface, also include several controls Output end processed, wherein the first input/output terminal, the second input/output terminal are for receiving, sending pwm signal；The vehicle control dress The power line carrier module or CP line dilatations set also comprising CAN communication unit, for being communicated with alternating-current charging pile realization data are logical Believe module；Wherein, power line carrier module, CP line dilatations communication module are connected with main control module communication respectively；Master control molding The serial line interface of block is connected with CAN communication unit, and CAN communication unit is connected to and the vehicle CAN bus of electric vehicle, with it is electronic The battery management system of vehicle realizes CAN communication；Power line carrier module is connect with AC charging line；The CP lines dilatation communicates mould Block is connect with the CP signal wires in Vehicular charging line, the data-signal for receiving and sending while including multiple voltage values.
- The communication device 2. a kind of electric vehicle as described in claim 1 charges, it is characterised in that：The CP lines dilatation communication module Including voltage magnitude adjustment unit, signal conversion unit；The signal conversion unit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, hysteresis loop comparator, latch, with logic circuit, with it is non- Logic circuit, ground resistance R2 and ground resistance R3；The voltage magnitude adjustment unit includes switching switch S1, current-limiting resistance R1, NPN triode, base resistance R4, collector Resistance R5, third metal-oxide-semiconductor and the mutually different zener diode D1 of voltage stabilizing parameter, zener diode D2；The base stage of the NPN triode is individually connected through base resistance R4 with one of main control module control output end； The emitter of NPN triode is connected with the DC reference ground terminal of CP line dilatation communication modules, and the collector of NPN triode is through current collection Electrode resistance R5 is connected with the DC power supply terminal of CP line dilatation communication modules, and the grid of the collector of NPN triode and third metal-oxide-semiconductor Extremely it is connected；The cathode of the zener diode D1, the cathode of zener diode D2, the source electrode of third metal-oxide-semiconductor, the second metal-oxide-semiconductor Drain electrode, the drain electrode of the first metal-oxide-semiconductor, the input terminal of hysteresis loop comparator are connected with each other；Anode, the zener diode of zener diode D1 The anode of D2 is corresponding with the switching end of switching switch respectively to be connected, and switches switch common end and the third metal-oxide-semiconductor of switch Drain electrode is connected, and the DC reference ground terminal of CP line dilatation communication modules is connected to through current-limiting resistance R1；The source electrode of first metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor are a pair of with the first input/output terminal, the second input/output terminal one respectively It should be connected；The grid of first metal-oxide-semiconductor is connected to the output end of and not circuit；The grid of second metal-oxide-semiconductor is connected to and logic The output end of circuit；And not circuit, it is connected with each other with one of logic circuit input terminal after be connected to hysteresis compared with The output end of device；NAND Logic electricity is independently connected to after the latched device in two of which control output end of main control module Road, the input terminal with logic circuit；The first input/output terminal, the second input/output terminal of main control module distinguish grounded resistance R3, ground resistance R2 are connected to the DC reference ground terminal of CP line dilatation communication modules.
- The communication device 3. a kind of electric vehicle as claimed in claim 2 charges, it is characterised in that：The switching switch includes simulation The one of which of switch, relay.
- The communication device 4. a kind of electric vehicle as claimed in claim 2 charges, it is characterised in that：The main control module includes One of which in ARM embeded processors, FPGA.
- The communication device 5. a kind of electric vehicle as claimed in claim 2 charges, it is characterised in that：Also include that signal sends driving list Member, signal receive pressure regulation unit, driving power, the first transmitting-receiving control switch, the second transmitting-receiving control switch；Wherein, signal is sent Driving unit includes the linear amplifier that amplification factor is more than 1, and it includes that amplification factor is linear less than 1 that signal, which receives pressure regulation unit, Amplifying unit, the feeder ear that signal sends driving unit are connected through the first transmitting-receiving control switch with driving power, and signal, which receives, to be adjusted The feeder ear of unit is pressed to be connected with driving power through the second transmitting-receiving control switch；Signal sends the input of driving unit, signal connects It receives the output of pressure regulation unit mutually and is connected to the input terminal of hysteresis loop comparator；Signal sends the output of driving unit, signal receives Pressure regulation unit inputs the CP lines mutually and being connected in Vehicular charging line；First transmitting-receiving control switch, the second transmitting-receiving control switch Control terminal be correspondingly connected to the output end of latch.
- The communication device 6. a kind of electric vehicle as claimed in claim 5 charges, it is characterised in that：The signal receives pressure regulation unit Including inverting amplifier, it includes in-phase amplifier and emitter follower that the signal, which sends driving unit,；Wherein in-phase amplifier Output be connected with the input of emitter follower；The input terminal of in-phase amplifier is the input terminal that signal sends driving unit, is penetrated The output end of pole follower is the output end that signal sends driving unit；The input terminal of inverting amplifier is that signal receives pressure regulation list The input terminal of member, the output end of inverting amplifier are the output end that signal receives pressure regulation unit.
- The communication device 7. a kind of electric vehicle as claimed in claim 6 charges, it is characterised in that：In inverting amplifier and/or together The output end of phase amplifier is further connected with Overvoltage protecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354233.5U CN207869157U (en) | 2018-03-15 | 2018-03-15 | A kind of electric vehicle charging communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354233.5U CN207869157U (en) | 2018-03-15 | 2018-03-15 | A kind of electric vehicle charging communication device |
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| CN207869157U true CN207869157U (en) | 2018-09-14 |
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| CN201820354233.5U Active CN207869157U (en) | 2018-03-15 | 2018-03-15 | A kind of electric vehicle charging communication device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327498A (en) * | 2018-12-14 | 2020-06-23 | 南台学校财团法人南台科技大学 | Power line communication module, system and signal transmission method for vehicle diagnosis information |
-
2018
- 2018-03-15 CN CN201820354233.5U patent/CN207869157U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327498A (en) * | 2018-12-14 | 2020-06-23 | 南台学校财团法人南台科技大学 | Power line communication module, system and signal transmission method for vehicle diagnosis information |
| CN111327498B (en) * | 2018-12-14 | 2022-04-19 | 南台学校财团法人南台科技大学 | Power line communication module, system and signal transmission method for vehicle diagnosis information |
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