CN117097363A - Alternating module of trading electric radio frequency, on-vehicle system circuit and trading power station system circuit - Google Patents
Alternating module of trading electric radio frequency, on-vehicle system circuit and trading power station system circuit Download PDFInfo
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- CN117097363A CN117097363A CN202311339730.XA CN202311339730A CN117097363A CN 117097363 A CN117097363 A CN 117097363A CN 202311339730 A CN202311339730 A CN 202311339730A CN 117097363 A CN117097363 A CN 117097363A
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- 230000003993 interaction Effects 0.000 claims abstract description 64
- 238000004891 communication Methods 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000002452 interceptive effect Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 37
- 238000010586 diagram Methods 0.000 description 13
- 230000001052 transient effect Effects 0.000 description 6
- 230000001629 suppression Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 102100040577 Dermatan-sulfate epimerase-like protein Human genes 0.000 description 3
- 101000816741 Homo sapiens Dermatan-sulfate epimerase-like protein Proteins 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000015429 Mirabilis expansa Nutrition 0.000 description 1
- 244000294411 Mirabilis expansa Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transceivers (AREA)
Abstract
The application relates to a power conversion radio frequency interaction module, a vehicle-mounted system circuit and a power conversion station system circuit, which relate to the technical field of vehicle communication. And the vehicle-mounted system circuit and the power exchange station system circuit are respectively provided with a power exchange radio frequency interaction module, so that wireless communication between the vehicle and the power exchange station is realized.
Description
Technical Field
The application relates to the technical field of vehicle communication, in particular to a power conversion radio frequency interaction module, a vehicle-mounted system circuit and a power conversion station system circuit.
Background
Along with the development of new energy automobiles, related researches on battery packs of electric automobiles are more and more, charging equipment such as a charging gun/a charging pile is adopted in the existing power exchange station for charging the battery packs of the new energy automobiles, but the charging efficiency is low, the charging time is long, remote driving of users is inconvenient, and in order to solve the problem of long charging time, the power exchange station adopts a method of directly replacing the battery packs, so that the power exchange efficiency is improved.
At present, the battery pack is replaced by the built power exchange station, more manual mode is adopted, and when the battery pack is replaced manually, the state information of the vehicle is needed to be known, and because the vehicle is not connected with the power exchange station, related information cannot be transmitted between the power exchange station and the vehicle, and information isolation is formed between the power exchange station and the vehicle.
Therefore, establishing a communication link between the power exchange station and the vehicle is a current urgent problem to be solved.
Disclosure of Invention
The application aims to provide a power conversion radio frequency interaction module, a vehicle-mounted system circuit and a power conversion station system circuit, wherein the power conversion radio frequency interaction module is arranged in the vehicle-mounted system circuit, and the power conversion station system circuit is provided with the power conversion radio frequency interaction module, so that the wireless communication between a vehicle and a power conversion station is realized through the power conversion radio frequency interaction module.
In a first aspect, the above object of the present application is achieved by the following technical solutions:
the control circuit is connected with the communication circuit and the radio frequency circuit respectively, the communication circuit is used for being connected with the first upper computer, the radio frequency circuit is used for carrying out radio frequency communication with the second upper computer, the control circuit receives information of the first upper computer through the communication circuit and sends the information to the second upper computer through the radio frequency circuit, or receives information of the second upper computer through the radio frequency circuit and then transmits the information to the first upper computer through the communication circuit.
The application is further provided with: the system also comprises a voltage detection circuit and a driving output circuit which are respectively connected with the control circuit, wherein the driving output circuit is used for outputting a driving signal according to a control signal of the control circuit, and the voltage detection circuit is used for detecting the power supply voltage of the first upper computer system.
The application is further provided with: the battery pack locking device further comprises a power isolation circuit and a locking mechanism state detection circuit, wherein the power isolation circuit is connected with a power supply of the radio frequency circuit and a power supply of the control circuit and used for isolating the power supply of the radio frequency circuit from the power supply of the control circuit, and the locking mechanism state detection circuit is connected with the control circuit and used for detecting the state of the battery pack, unlocking or locking the battery pack.
The application is further provided with: the control circuit comprises a control chip and a downloading circuit, wherein the downloading circuit is connected with the control chip and used for controlling program downloading of the chip.
The application is further provided with: the communication circuit comprises a CAN communication chip and peripheral circuits thereof.
The application is further provided with: the radio frequency circuit comprises a radio frequency chip and peripheral circuits thereof.
In a second aspect, the above object of the present application is achieved by the following technical solutions:
the application discloses a vehicle-mounted system circuit, which comprises a whole vehicle circuit and a power conversion radio frequency interaction module, wherein the whole vehicle circuit is connected with the power conversion radio frequency interaction module, the power conversion radio frequency interaction module transmits a whole vehicle state signal transmitted by the whole vehicle circuit to a second upper computer, receives information of the second upper computer and transmits the information to the whole vehicle circuit, and the power conversion radio frequency interaction module is structurally used for interaction between the whole vehicle and a power conversion station.
In a third aspect, the above object of the present application is achieved by the following technical solutions:
the application relates to a vehicle, which comprises a vehicle-mounted system circuit, wherein the vehicle-mounted system circuit is used for information interaction between a whole vehicle circuit and an upper computer of a power exchange station during power exchange.
In a fourth aspect, the above object of the present application is achieved by the following technical solutions:
the application relates to a power exchange station system circuit, which comprises a power exchange station circuit and a power exchange radio frequency interaction module, wherein the power exchange station circuit is connected with the power exchange radio frequency interaction module, the power exchange radio frequency interaction module receives a whole car state signal transmitted by the whole car system circuit and transmits the whole car state signal to the power exchange station circuit, the power exchange station circuit is transmitted to the whole car system circuit, the power exchange radio frequency interaction module is structured as described in the application, a power exchange upper computer displays an operation prompt through the power exchange radio frequency interaction module before power exchange, controls a battery pack to be unlocked after the prompt operation is completed, locks the battery pack after the power exchange is completed, and detects the locking state.
In a fifth aspect, the above object of the present application is achieved by the following technical means:
a vehicle-mounted system circuit is arranged on a vehicle, a power exchange station system circuit is arranged on the power exchange station, and the vehicle-mounted system circuit performs information interaction with the power exchange station system circuit in a radio frequency mode.
Compared with the prior art, the application has the beneficial technical effects that:
1. according to the application, the replacement radio frequency interaction modules are respectively arranged on the vehicle and the replacement station and are used for communication interaction between the vehicle and the replacement station, so that the communication between the vehicle and the replacement station is realized;
2. furthermore, the power conversion radio frequency interaction module is connected with the whole vehicle circuit or the power conversion circuit by adopting the CAN bus, and realizes wireless communication between the vehicle and the power conversion station by carrying out communication in a radio frequency mode;
3. furthermore, the application realizes the wireless communication between the vehicle and the power exchange station by respectively arranging the power exchange radio frequency interaction modules on the vehicle and the power exchange station.
Drawings
FIG. 1 is a schematic diagram of a power conversion RF interactive module according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a portion of a control chip according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a portion of a control chip according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a portion of a control chip according to an embodiment of the application;
FIG. 5 is a schematic diagram of a portion of a control chip according to an embodiment of the application;
FIG. 6 is a schematic diagram of a portion of a control chip according to an embodiment of the application;
FIG. 7 is a schematic diagram of a download circuit according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a communication circuit according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a radio frequency circuit in accordance with one embodiment of the present application;
FIG. 10 is a schematic diagram of power isolation according to one embodiment of the application;
FIG. 11 is a schematic diagram illustrating high-low level transitions according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a driving circuit according to an embodiment of the present application;
FIG. 13 is a latch mechanism state detection circuit in accordance with one embodiment of the present application;
FIG. 14 is a schematic diagram of an interaction architecture of one embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The application discloses a power conversion radio frequency interaction module, which is shown in fig. 1, and comprises a control circuit, a communication circuit and a radio frequency circuit, wherein the control circuit is respectively connected with the communication circuit and the radio frequency circuit, the communication circuit is used for communicating with a first upper computer system, the radio frequency circuit is used for wirelessly communicating with a second upper computer system, the first upper computer system performs information interaction with the second upper computer system through the communication circuit, the control circuit and the radio frequency circuit, and the second upper computer system performs information interaction with the first upper computer system through the radio frequency circuit, the control circuit and the communication circuit.
The control circuit comprises a control chip U1 and peripheral circuits thereof, and in order to illustrate files, the control chip U1 is split into a plurality of small chip structures, wherein the chip structures comprise U1A, U1B, U1C, U1D, U E, and as shown in FIG. 2, main pins in U1A are a power supply voltage pin and a power supply ground pin; the U1B comprises a reset circuit and a clock circuit, as shown in FIG. 3, the clock circuit comprises a crystal oscillator G1 and two capacitors C16/C17, one end of the crystal oscillator G1 is connected with one end of the capacitor C16 and the XTAL2 pin of the control chip, the other end of the crystal oscillator G1 is connected with one end of the capacitor C17 and the XTAL1 pin of the control chip, and the other end of the capacitor C16 and the other end of the capacitor C17 are grounded.
The reset circuit includes reset terminals TRST and PORST.
As shown in fig. 4, the pins in U1C are mainly used for connecting with a communication circuit and a radio frequency circuit, and include a communication terminal can_txd and can_rxd connected with the communication circuit, a spirit1_gpio0 terminal, a spirit1_gpio1 terminal, a spirit1_gpio2 terminal, a spirit1_gpio3 terminal, a spirit1_sdn terminal, an spi_miso terminal, and an spi_cs terminal connected with the radio frequency circuit.
As shown in fig. 5, the pins in U1D are mainly used for connecting with the downloading circuit and the radio frequency circuit, and include communication terminals dap2wire_dap0 and dap2wire_dap1 connected with the downloading circuit, and spi_mosi terminal and spi_clk terminal connected with the radio frequency circuit.
As shown in fig. 6, the pins in U1E are mainly used for connecting with the High-low level conversion circuit and the driving circuit, and include a communication terminal H/l_active_in1 terminal and H/l_active_in2 terminal connected with the High-low level conversion circuit, a high_drive1_in terminal, a high_drive2_in terminal, a high_drive1_is terminal, a DEN terminal, and a DSEL terminal connected with the driving circuit.
The control circuit also comprises a download circuit, as shown in fig. 7, the download circuit comprises a download chip U2 and peripheral circuits thereof, the download circuit is used for controlling the program download of the chip U1, and the TRST end of the download chip U2 is connected
As shown in fig. 8, the communication circuit includes a filter circuit, a communication chip and its peripheral circuit, the communication chip includes a CAN communication chip U3, a TXD end of the CAN communication chip U3 is connected to a CAN1-TXD end of the control chip through a resistor R25, a RXD end of the CAN communication chip is connected to one end of a resistor R27 and one end of a resistor R30, the other end of the resistor R27 is connected to a CAN1-RXD end of the control chip, and the other end of the resistor R30 is grounded.
The CANH end of the CAN communication chip U3 is connected with a first filter circuit, and the first filter circuit comprises a first inductor and a resistor R24 which are connected in parallel; and the CANL end of the CAN communication chip is connected with a second filter circuit, the second filter circuit comprises a second inductor and a resistor R29 which are connected in parallel, and the first inductor and the second inductor form a common mode filter.
The other end of the first filter circuit is used as a CAN1H input/output end, the other end of the second filter circuit is used as a CAN1L input/output end, a transient ESD suppression zener diode D1 is connected to the ground at the CAN1H input/output end, a transient ESD suppression zener diode D2 is connected to the ground at the CAN1L input/output end, filter capacitors C48 are connected in parallel with two ends of the transient ESD suppression zener diode D1, filter capacitors C51 are connected in parallel with two ends of the transient ESD suppression zener diode D1, and the parallel combination of the transient ESD suppression zener diode and the filter capacitors is used for absorbing transient high voltage of the CAN1H or/and the CAN1L input/output end.
And a series resistor combination is also connected between the CAN1H input and output end and the CAN1L input and output end, and comprises a resistor R26 and a resistor R28, and the series point of the series resistor combination is grounded through a capacitor C47.
The communication circuit is used for information interaction between the first upper computer and the power conversion radio frequency interaction module.
The power conversion radio frequency interaction module is communicated with the first upper computer system through the CAN bus.
As shown in fig. 9, the radio frequency circuit includes a radio frequency chip U4 and its peripheral circuit, the MISO terminal of the radio frequency chip U4 is connected to the spi_miso terminal of the control chip U1 through a resistor R58, the MOSI terminal is connected to the spi_mosi terminal of the control chip U1 through a resistor R59, the SCLK terminal is connected to the spi_clk terminal of the control chip U1 through a resistor R60, the CS terminal is connected to the spi_cs terminal of the control chip U1, the GPIO0 terminal is connected to the spit1_gpio 0 terminal of the control chip U1, the GPIO1 terminal is connected to the spit1_gpio 1 terminal of the control chip U1, the GPIO2 terminal is connected to the spit1_gpio 2 terminal of the control chip U1, the GPIO3 terminal is connected to the spit1_gpio 3 terminal of the control chip U1, and the SDN terminal is connected to the spit1_sdn terminal of the control chip U1.
The pull-up resistor R22 is connected to the GPIO0 terminal, the pull-up resistor R19 is connected to the GPIO1 terminal, the pull-up resistor R20 is connected to the GPIO2 terminal, the pull-up resistor R21 is connected to the GPIO3 terminal, and the pull-down resistor R50 is connected to the SDN terminal.
And a crystal oscillator is connected between the XIN terminal and the XOUT terminal and used for generating a clock.
At the end of SMPS-EXT1, one end of inductor L2 is connected, after inductor L2 and inductor L3 are connected in series, one end of inductor L5, the other end of inductor L5 is connected to the end of TX, one end of capacitor C37, one end of inductor L6, the other end of inductor L6 is connected to one end of inductor L7, one end of capacitor C38, the other end of inductor L7 is connected to one end of inductor L8, one end of capacitor C39, one end of inductor L4, the other end of inductor L4 is connected to one end of capacitor C35, the other end of inductor L8, the other end of capacitor C35, one end of capacitor C52, one end of capacitor C40, one end of capacitor C36, one end of capacitor C43 are connected together, the other end of capacitor C52 is connected to one end of inductor L9, the other end of inductor L9 is grounded, the other end of capacitor C36 is connected to one end of inductor L10, one end of capacitor C54, the other end of capacitor C54 is connected to a radio frequency antenna ANT, the other end of capacitor C38, the other end of capacitor C39, the other end of capacitor C40, and the other end of inductor L10 are grounded.
The other end of the capacitor C43 is connected with one end of the inductor L14 and one end of the capacitor C42, the other end of the capacitor C42 is connected with the RXN end of the chip U4, one end of the inductor L13 and one end of the capacitor C41, the other end of the inductor L13 and the other end of the inductor L14 are connected together and connected to the RXP end of the chip U4 and grounded through the capacitor C46, the other end of the capacitor C41 is connected with one end of the inductor L11, and the other end of the inductor L11 is grounded.
The radio frequency chip U4 is in data communication with the control chip U1 in an SPI communication mode, and is in data communication with the second upper computer in a radio frequency mode.
In one embodiment of the present application, no corresponding inductor is provided at the inductor L4, inductor L13 positions, and no corresponding capacitor is provided at the capacitor C37/C35/C52 positions.
In order to prevent the interference of the radio frequency part from affecting the power supply network voltage, a magnetic bead F2 is arranged at the power supply input of the radio frequency chip U4, and as shown in fig. 10, the radio frequency network power supply voltage is connected with the radio frequency module power supply voltage.
As shown in FIG. 11, the high-low level signal input conversion circuit of the control chip U1 comprises a resistor R31, a resistor R34, a resistor R40 and a capacitor C58, wherein one end of the resistor R31 is connected with a 12V power supply voltage, the other end of the resistor R31 is connected with the input end of the H/L_active_Reserve 1 and one end of the resistor R34, the other end of the resistor R34 is connected with the end of the H/L_active_in1 of the control chip U1, one end of the resistor R40 and one end of the capacitor C58, and the other end of the resistor R40 and the other end of the capacitor C58 are grounded.
When the H/L_Active_Reserve 1 input end has no input signal, the H/L_Active_in1 end of the control chip U1 is pulled to 12V and is at a high level, and when the H/L_Active_Reserve 1 input end has a low level input signal, the H/L_Active_in1 end of the control chip U1 is pulled down.
The H/L_Active_Reserve2 input terminal also provides high and low levels for the H/L_Active_in2 terminal of the control chip U1 through the same high and low level signal conversion circuit.
The power conversion radio frequency interaction module further comprises a driving output circuit, as shown IN fig. 12, and comprises a driving chip U5, wherein an IN0 input end of the driving chip U5 is connected with a high_driver1_in end of the control chip U1 through a resistor R36 and is grounded through a resistor R48; the IN1 input end is connected with the high_Driver2_in end of the control chip U1 through a resistor R39 and is grounded through a resistor R47; the DEN end of the control chip U1 is connected with the DEN end of the control chip U1 through a resistor R42; the IS terminal IS connected with the high_driver_IS terminal of the control chip U1 through a resistor R43, the high_driver_IS terminal of the control chip U1 IS grounded through a capacitor C64, and the IS terminal of the driving chip U5 IS grounded through a resistor R49; the DSEL terminal of the driving chip U5 is connected with the DSEL terminal of the control chip U1 through a resistor R45.
The OUTPUT terminal OUT0 of the driving chip serves as a high_driver_output1 OUTPUT terminal, and the OUTPUT terminal OUT1 of the driving chip serves as a high_driver_output2 OUTPUT terminal.
The driving output circuit is used for driving a high-power load outside the controller and detecting the magnitude of the driving current at the same time, so as to judge whether the load works normally or not.
The external high power load includes a locking structure such as a securing lock between the battery and the chassis.
The power conversion radio frequency interaction module further comprises a voltage detection circuit, and after the 12V power supply voltage is divided through resistor series combination, whether the 12V power supply voltage is correct is detected.
The power conversion radio frequency interaction module further comprises a locking mechanism state detection circuit which is connected with the control circuit and used for detecting whether the battery pack is firmly connected with the vehicle body or not and judging whether power conversion can be carried out or not.
The locking mechanism state detection circuit comprises a Control switch circuit and an analog quantity detection circuit, as shown in fig. 13, wherein the Control switch circuit comprises an NPN triode VTI, an I/O1 end of a controller MCU is connected to a base electrode of the triode VT1 through a resistor R13, a collector electrode of the Control triode VT1 is connected with a UBR, an emitter electrode of the Control triode VT1 is connected with a 12V-Control end, and the MCU controls the on-off of the triode VT1, so that whether the 12V-Control end has electricity or not is controlled, no electricity is consumed when the detection is not performed, and the power consumption is reduced.
The analog quantity detection circuit comprises two switches S1/S2, one end of a switch of the first locking switch S1 is grounded through a resistor R61, one end of a switch of the second locking switch S2 is grounded through a resistor R62, the other end of the switch of the first locking switch S1, the other end of the switch of the second locking switch S2 is connected with one end of a resistor R60 and one end of a resistor R63, the other end of the resistor R60 is connected with a 12V-Control end, the other end of the resistor R63 is connected with an ADC I/O end of a controller, the Control end of the first locking switch S1 is connected with an I/O2 end of an MCU, and the Control end of the second locking switch S2 is connected with an I/O3 end of the MCU.
The I/O2 of the MCU controls the on or off of the first locking switch S1, and the I/O3 end of the MCU controls the on or off of the second locking switch S2.
The combination of the on or off of the first locking switch S1 and the on or off of the second locking switch S2 generates four different voltage values at one end of the resistor R60, and the MCU detects the voltage of the ADC I/O end and judges whether the battery pack is locked or unlocked.
When the vehicle is not in the power-on mode, the module enters a sleep state. When in the power-changing mode, the device wakes up through the CAN message and enters the normal working mode: if the battery pack needs to be replaced, the controller unlocks the battery pack, after the replacement of the battery pack is completed, the controller locks the battery pack, detects whether the battery pack is locked after locking, and controls the locking state of the battery pack.
The vehicle-mounted system circuit comprises a whole vehicle circuit and a power-changing radio frequency interaction module, wherein the whole vehicle circuit is connected with the power-changing radio frequency interaction module, and is communicated with the whole vehicle circuit through a CAN bus to obtain vehicle state information, the vehicle state information comprises gear information and vehicle position information of a vehicle, the power-changing radio frequency interaction module transmits a whole vehicle state signal transmitted by the whole vehicle circuit to a second upper computer, and the second upper computer prompts a driver to adjust the vehicle state through a display screen positioned in front of the vehicle, so that when the vehicle is in a power-changing state, a power-changing station CAN change a battery of the vehicle.
The whole vehicle circuit detects battery state parameters including battery electric quantity, service time, charging times, temperature, total battery pack voltage, single temperature, battery electric quantity SOC, battery fault information and the like, and transmits the battery state parameters to the upper computer of the battery exchange station through the battery exchange radio frequency interaction module.
After the vehicle is driven into the power exchange station, the power exchange radio frequency interaction module obtains the whole vehicle parameters from the whole vehicle circuit, and sends the whole vehicle parameters to the second upper computer of the power exchange station through the radio frequency circuit, and the second upper computer displays operation prompt information on a display screen in front of the vehicle, and the power exchange station comprises: the method comprises the steps of engaging in neutral gear, P gear, stepping on the brake, releasing the brake, pulling the brake, releasing the hand brake, powering on and powering off and the like, after a driver finishes corresponding operation according to prompt, the whole car circuit detects that the operation is finished, the power exchange radio frequency interaction module transmits relevant information to the upper computer of the power exchange station, and the upper computer of the power exchange station sends out a power exchange signal after acquiring the prompt operation is finished, controls the locking mechanism to act, finishes the power exchange operation and ensures the completion of power exchange.
The power conversion radio frequency interaction module is arranged on a vehicle, and a whole vehicle circuit of the vehicle and the power conversion radio frequency interaction module are combined to form a vehicle-mounted system circuit for communication between the vehicle and a power conversion station system.
The power exchange radio frequency interaction module is arranged in the power exchange station, the power exchange station circuit and the power exchange radio frequency interaction module form a power exchange station system circuit, the power exchange station system is communicated with the power exchange radio frequency interaction module on the vehicle in a radio frequency mode through the power exchange radio frequency interaction module of the power exchange station, receives information of the vehicle, instructs a driver of the vehicle to perform corresponding operation according to the information of the vehicle, and enables the state of the vehicle to conform to the state of a battery to be replaced, so that power exchange operation is performed.
The application relates to a power exchange station and vehicle interaction system, which is shown in fig. 14, and comprises a power exchange station system circuit and a vehicle-mounted system circuit, wherein the vehicle-mounted system circuit comprises a whole vehicle circuit and a power exchange radio frequency interaction module 1, the power exchange station is provided with the power exchange station system circuit which comprises the power exchange station circuit and a power exchange radio frequency interaction module 2, and the power exchange radio frequency interaction module 1 is communicated with the whole vehicle circuit in a CAN bus mode and is communicated with the power exchange station system circuit in a radio frequency mode. The power conversion radio frequency interaction module 2 communicates with a power conversion station circuit in a CAN bus mode and communicates with a vehicle-mounted system circuit in a radio frequency mode.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a trade electric radio frequency interaction module which characterized in that: the control circuit is connected with the communication circuit and the radio frequency circuit respectively, the communication circuit is used for being connected with the first upper computer, the radio frequency circuit is used for carrying out radio frequency communication with the second upper computer, the control circuit receives information of the first upper computer through the communication circuit and sends the information to the second upper computer through the radio frequency circuit, or receives information of the second upper computer through the radio frequency circuit and transmits the information to the first upper computer through the communication circuit.
2. The power conversion radio frequency interactive module according to claim 1, wherein: the system also comprises a voltage detection circuit and a driving output circuit which are respectively connected with the control circuit, wherein the driving output circuit is used for outputting a driving signal according to a control signal of the control circuit, and the voltage detection circuit is used for detecting the power supply voltage of the first upper computer system.
3. The power conversion radio frequency interactive module according to claim 1, wherein: the battery pack locking device further comprises a power isolation circuit and a locking mechanism state detection circuit, wherein the power isolation circuit is connected with a power supply of the radio frequency circuit and a power supply of the control circuit and used for isolating the power supply of the radio frequency circuit from the power supply of the control circuit, and the locking mechanism state detection circuit is connected with the control circuit and used for detecting the state of the battery pack, unlocking or locking the battery pack.
4. The power conversion radio frequency interactive module according to claim 1, wherein: the control circuit comprises a control chip and a downloading circuit, wherein the downloading circuit is connected with the control chip and used for controlling program downloading of the chip.
5. The power conversion radio frequency interactive module according to claim 1, wherein: the communication circuit comprises a CAN communication chip and peripheral circuits thereof.
6. The power conversion radio frequency interactive module according to claim 1, wherein: the radio frequency circuit comprises a radio frequency chip and peripheral circuits thereof.
7. A vehicle-mounted system circuit, characterized in that: the system comprises a whole vehicle circuit and a power conversion radio frequency interaction module, wherein the whole vehicle circuit is connected with the power conversion radio frequency interaction module, the power conversion radio frequency interaction module transmits a whole vehicle state signal transmitted by the whole vehicle circuit to a second upper computer, receives information of the second upper computer and transmits the information to the whole vehicle circuit, and the power conversion radio frequency interaction module is of a structure as claimed in any one of claims 1-6 and is used for interaction between the whole vehicle and a power conversion station.
8. A vehicle, characterized in that: the vehicle-mounted system circuit is used for information interaction between the whole vehicle circuit and the upper computer of the power exchange station during power exchange according to claim 7.
9. A power exchange station system circuit, characterized in that: the system comprises a power exchange station circuit and a power exchange radio frequency interaction module, wherein the power exchange station circuit is connected with the power exchange radio frequency interaction module, the power exchange radio frequency interaction module receives a whole car state signal transmitted by a whole car system circuit and transmits the whole car state signal to the power exchange station circuit, information of the power exchange station circuit is transmitted to the whole car system circuit, the power exchange radio frequency interaction module has the structure as claimed in any one of claims 1-6, an operation prompt is displayed by a power exchange upper computer before power exchange through the power exchange radio frequency interaction module, after the prompt operation is completed, a battery pack is controlled to be unlocked, the battery pack is locked after the power exchange is completed, and the locking state is detected.
10. The utility model provides a trade power station and vehicle interaction system which characterized in that: the vehicle-mounted system circuit is arranged on the vehicle, the power exchange station system circuit is arranged on the power exchange station, and the vehicle-mounted system circuit performs information interaction with the power exchange station system circuit in a radio frequency mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311339730.XA CN117097363A (en) | 2023-10-17 | 2023-10-17 | Alternating module of trading electric radio frequency, on-vehicle system circuit and trading power station system circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311339730.XA CN117097363A (en) | 2023-10-17 | 2023-10-17 | Alternating module of trading electric radio frequency, on-vehicle system circuit and trading power station system circuit |
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| CN117097363A true CN117097363A (en) | 2023-11-21 |
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| CN202311339730.XA Pending CN117097363A (en) | 2023-10-17 | 2023-10-17 | Alternating module of trading electric radio frequency, on-vehicle system circuit and trading power station system circuit |
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