CN110493094A - A kind of All-in-One EOL diagnostic tool radio transfering device - Google Patents

A kind of All-in-One EOL diagnostic tool radio transfering device Download PDF

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Publication number
CN110493094A
CN110493094A CN201910790005.1A CN201910790005A CN110493094A CN 110493094 A CN110493094 A CN 110493094A CN 201910790005 A CN201910790005 A CN 201910790005A CN 110493094 A CN110493094 A CN 110493094A
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China
Prior art keywords
port
interface
bus
voltage
connect
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CN201910790005.1A
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Chinese (zh)
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CN110493094B (en
Inventor
肖景文
高发廷
郭庆波
翟霄雁
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Sinotruk Jinan Power Co Ltd
China National Heavy Duty Truck Group Jinan Power Co Ltd
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • G06F13/126—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine and has means for transferring I/O instructions and statuses between control unit and main processor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Small-Scale Networks (AREA)
  • Power Sources (AREA)

Abstract

The present invention provides a kind of All-in-One EOL diagnostic tool radio transfering device, including the first switching interface, WiFi interconnecting module, serial ports interconnecting module, the second switching interface and switching board；First switching interface, WiFi interconnecting module, serial ports interconnecting module, the second switching interface are arranged on switching board；First switching interface is connect with the second switching interface, and serial ports interconnecting module is connect with the first switching interface and WiFi interconnecting module, and WiFi interconnecting module is by being wirelessly connected with host computer；The All-in-One EOL diagnostic tool includes output interface, and the output interface is connect with the first switching interface, and the second switching interface is identical as output interface structure, and the second switching interface is connected with diagnosis harness.The present invention, which is realized, is converted to wireless communication mode for original All-in-One EOL diagnostic tool equipment wire communication mode, realizes the stability that All-in-One EOL diagnostic tool equipment is communicated with host computer.

Description

A kind of All-in-One EOL diagnostic tool radio transfering device
Technical field
The invention belongs to vehicle diagnosis fields of communication technology, and in particular to a kind of All-in-One EOL diagnostic tool wireless converting Device.
Background technique
The All-in-One EOL diagnostic tool equipment of automobile industry is that Universal USB data line connects computer mode, carries out vehicle Diagnosis, staking-out work；Upgrading and Microsoft Corporation Windows system with hardware devices such as computer vendors CPU, buses System upgrading X64 framework, existing All-in-One EOL diagnostic tool Universal USB serial port chip and host computer hardware driving are completely not Compatible Microsoft Corporation Windows X64 system architecture and the at this stage new motherboard hardware framework of major computer vendors, are caused What existing EOL diagnostic tool communicated that the unstable or even incompatible host computer of slave computer software and hardware can not communicate with host computer asks Topic.
This is the deficiencies in the prior art, therefore, in view of the above-mentioned drawbacks in the prior art, provides a kind of All-in-One EOL and examines Disconnected tool radio transfering device, is necessary.
Summary of the invention
For the Universal USB serial port chip and host computer hardware driving of the above-mentioned All-in-One EOL diagnostic tool of the prior art Incompatible to cause to communicate defect that is unstable, or even communicating, the present invention provides a kind of All-in-One EOL diagnostic tool and wirelessly turns Connection device, to solve the above technical problems.
The present invention provides a kind of All-in-One EOL diagnostic tool radio transfering device, including the first switching interface, WiFi switching Module, serial ports interconnecting module, the second switching interface and switching board；
First switching interface, WiFi interconnecting module, serial ports interconnecting module, the second switching interface are arranged at switching board On；
First switching interface is connect with the second switching interface, serial ports interconnecting module and the first switching interface and WiFi switching model Block connection, WiFi interconnecting module is by being wirelessly connected with host computer；
The All-in-One EOL diagnostic tool includes output interface, and the output interface is connect with the first switching interface, and second Switching interface is identical as output interface structure, and the second switching interface is connected with diagnosis harness 7.
Further, the first switching interface includes the first CAN bus sending port, the first port CAN bus RX, second CAN bus sending port, the second port CAN bus RX, the first K bus interface and the first L bus interface；
Second switching interface includes the first CAN bus receiving port, the first port CAN bus TX, the reception of the second CAN bus Port, the second port CAN bus TX, the 2nd K bus interface and the 2nd L bus interface；
First CAN bus sending port is connect with the first CAN bus receiving port, the first port CAN bus RX and first The connection of the port CAN bus TX, the second CAN bus sending port are connect with the second CAN bus receiving port, the second CAN bus RX Port is connect with the second port CAN bus TX, and the first K bus interface is connect with the 2nd K bus interface, the first L bus interface with The connection of 2nd L bus interface.The present apparatus realizes the switching of two-way CAN bus, sends and receives a pair of end per CAN bus all the way Mouthful；The present apparatus also realizes the switching of L bus and K bus, and L bus and K bus are the common diagnostics lines of automobile industry.
Further, the first switching interface includes EOL sending port and the port EOL-RX；
Serial ports interconnecting module includes EOL receiving port, the port EOL-TX, UART sending port and the port UART-RX；
WiFi interconnecting module includes UART receiving port, the port UART-TX and prevention at radio-frequency port；
EOL sending port is connect with EOL receiving port, and the port EOL-RX is connect with the port EOL-TX；
UART sending port is connect with UART receiving port, and the port UART-RX is connect with the port UART-TX；
WiFi interconnecting module is wirelessly connected by prevention at radio-frequency port and host computer.Serial ports conversion module connects from the first switching interface The EOL diagnostic signal of All-in-One EOL diagnostic tool is received, EOL diagnostic signal has EOL to send and receive a pair of of port；Serial ports conversion EOL diagnostic signal is converted to UART signal by module, is sent to WiFi interconnecting module, includes sending and connecing per UART signal all the way Receive a pair of of port.
It further, further include power conversion module, power conversion module includes voltage input end and voltage output end；
First switching interface further includes first voltage port and second voltage port；
Voltage input end is connect with first voltage port；
Second switching interface further includes power port, and first voltage port is also connect with power port.First switching interface Two-way voltage input is provided, the conversion all the way in two-way voltage input is gone out third road voltage by power conversion module.
Further, WiFi interconnecting module further includes WiFi power port, power supply indicator port and work light end Mouthful；
WiFi power port is connect with voltage output end；
Power supply indicator port is connected with power supply indicator, and the other end of power supply indicator is connect with voltage output end；
Work light port is connected with work light, and the other end of work light is connect with voltage output end. WiFi interconnecting module uses third road power voltage supply, while indicating work and power supply status by indicator light.
Further, power conversion module further includes enable end；
The voltage input end of power conversion module includes voltage input anode and voltage input negative terminal；
The voltage output end of power conversion module includes voltage output anode and voltage output negative terminal；
The first voltage port of first switching interface and the voltage input anode of power conversion module and enable end connection, electricity The voltage output anode of source conversion module is connect with the WiFi power port of WiFi interconnecting module, and the voltage of power conversion module is defeated Enter negative terminal and voltage output negative terminal is grounded.
Further, serial ports interconnecting module further includes the first operating voltage end and the second operating voltage end；
First operating voltage end is connect with second voltage port；
Second operating voltage end is connect with voltage output end.Serial ports conversion module is provided another by the first switching interface The third road voltage that road voltage and power conversion module are converted out works.
Further, serial ports interconnecting module further includes that upper pull end, several ground terminals, the first filtering anode, the first filtering are negative End, the second filtering anode, the second filtering negative terminal, the first operating voltage negative terminal and reversed enable end；
Pull-up pin is connect with voltage output end, and each ground terminal is grounded, and the second operating voltage end is also connected with first The anode of capacitor, first capacitor is connect with the second operating voltage end, the cathode ground connection of first capacitor；First filtering anode is connected with Second capacitor, the anode of the second capacitor are connect with the first filtering anode, and the cathode of the second capacitor is connect with the first filtering negative terminal；The Two filtering anodes are connected with third capacitor, and the anode of third capacitor filters anode with second and connect, the cathode of third capacitor and the Two filtering negative terminal connections；First operating voltage negative terminal is connected with the 4th capacitor, and the anode of the 4th capacitor and the first operating voltage are negative End connection, the cathode of the 4th capacitor is connect with reversed enable end, and is grounded.
Further, the first voltage port of the first switching interface, power conversion module voltage input end and second The power port voltage of switching interface is 24V；
The second voltage port of first switching interface and the first operating voltage end voltage of serial ports interconnecting module are 5.5V；
The voltage output end of power conversion module and the second operating voltage end voltage of serial ports interconnecting module are 3.3V；
First switching interface uses and the matched 15 hole interface of the second switching interface；
The output interface of second switching interface and All-in-One EOL diagnostic tool uses 15 needle interfaces of same specification and model.The The input voltage of one switching interface is 24V and 5.5V, and 24V is converted to 3.3V by power conversion module, and the first switching interface is by 24V It is directly forwarded to the second switching interface, 5.5V and 3.3V provide serial ports interconnecting module operating voltage, and 3.3V provides WiFi switching model Block operating voltage；First switching interface is matched with the second switching interface, meanwhile, the second switching interface and All-in-One EOL diagnose work The output interface of tool is identical, it is ensured that the present apparatus realizes the seamless extension of original All-in-One EOL diagnostic tool.
Further, switching board uses dual platen, including the first side, second side, third side and the 4th side；
First switching interface is arranged at the third side of pinboard card backside, and the setting of the second switching interface is transferring board just The first side position in face；
The front of switching board is arranged in power supply indicator, work light and serial ports interconnecting module；
The back side of switching board is arranged in WiFi interconnecting module and power conversion module.
The beneficial effects of the present invention are,
All-in-One EOL diagnostic tool radio transfering device provided by the invention, in existing All-in-One EOL diagnostic tool equipment In the case that hardware is not changed, realizes and original All-in-One EOL diagnostic tool equipment wire communication mode is converted into wireless telecommunications Mode realizes the stability that communicates with host computer of All-in-One EOL diagnostic tool equipment, it is not necessary to by slave computer software and hardware it is incompatible on The influence of position machine；All-in-One EOL diagnostic tool with Universal USB digital serial port is extended to WiFi connection function by the present invention The All-in-One EOL diagnostic tool of energy.
In addition, design principle of the present invention is reliable, structure is simple, has very extensive application prospect.
It can be seen that compared with prior art, the present invention implementing with substantive distinguishing features outstanding and significant progress Beneficial effect be also obvious.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram one of the invention；
Fig. 2 is structural schematic diagram two of the invention；
Fig. 3 is the positive structure schematic of switching board of the invention；
Fig. 4 is the structure schematic diagram of switching board of the invention；
Fig. 5 is the circuit diagram of serial ports interconnecting module of the invention；
Fig. 6 is the circuit diagram of power conversion module of the invention；
In figure, the first switching interface of 1-；1.1- the first CAN bus sending port；The port 1.2- the first CAN bus RX； 1.3- the second CAN bus sending port；The port 1.4- the second CAN bus RX；The first K bus interface of 1.5-；The first L bus of 1.6- Interface；1.7-EOL sending port；1.8-EOL-RX port；1.9- first voltage port；1.10- second voltage port；2-WiFi Interconnecting module；2.1-UART receiving port；2.2-UART-TX port；2.3- prevention at radio-frequency port；2.4-WiFi power port；2.5- Power supply indicator port；2.6- work light port；3- serial ports interconnecting module；3.1-EOL receiving port；3.2-EOL-TX end Mouthful；3.3-UART sending port；3.4-UART-RX port；The first operating voltage of 3.5- end；The second operating voltage of 3.6- end；4- Second switching interface；4.1- the first CAN bus receiving port；The port 4.2- the first CAN bus TX；The second CAN bus of 4.3- connects Receiving end mouth；The port 4.4- the second CAN bus TX；The 2nd K bus interface of 4.5-；The 2nd L bus interface of 4.6-；4.7- power end Mouthful；5- host computer；6- All-in-One EOL diagnostic tool；6.1- output interface；7- diagnoses harness；9- power conversion module；9.1- electric Press input terminal；9.2- voltage output end；10- power supply indicator；11- work light；12- switching board；12.1- the first side； 12.2- second side；12.3- third side；The 4th side 12.4-.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention Range.
Embodiment 1:
As shown in Figure 1, the present invention provides a kind of All-in-One EOL diagnostic tool radio transfering device, including first connects Mouth 1, WiFi interconnecting module 2, serial ports interconnecting module 3, the second switching interface 4 and switching board 12；
First switching interface 1, WiFi interconnecting module 2, serial ports interconnecting module 3, the second switching interface 4 are arranged at pinboard On card 12；
First switching interface 1 is connect with the second switching interface 4, and serial ports interconnecting module 3 and the first switching interface 1 and WiFi turn Connection module 2 connects, and WiFi interconnecting module 2 is by being wirelessly connected with host computer 5；
The All-in-One EOL diagnostic tool 6 includes output interface 6.1, the output interface 6.1 and the first switching interface 1 Connection, the second switching interface 4 is identical as 6.1 structure of output interface, and the second switching interface 4 is connected with diagnosis harness 7.
Embodiment 2:
As shown in Fig. 2, the present invention provides a kind of All-in-One EOL diagnostic tool radio transfering device, including first connects Mouth 1, WiFi interconnecting module 2, serial ports interconnecting module 3, the second switching interface 4, power conversion module 9 and switching board 12；
First switching interface 1, WiFi interconnecting module 2, serial ports interconnecting module 3, the second switching interface 4 are arranged at pinboard On card 12；
First switching interface 1 is connect with the second switching interface 4, and serial ports interconnecting module 3 and the first switching interface 1 and WiFi turn Connection module 2 connects, and WiFi interconnecting module 2 is by being wirelessly connected with host computer 5；
The All-in-One EOL diagnostic tool 6 includes output interface 6.1, the output interface 6.1 and the first switching interface 1 Connection, the second switching interface 4 is identical as 6.1 structure of output interface, and the second switching interface 4 is connected with diagnosis harness 7；
First switching interface 1 includes the first CAN bus sending port 1.1, the first port 1.2 CAN bus RX, the 2nd CAN Bus sending port 1.3 and the second port 1.4 CAN bus RX, the first K bus interface 1.5, the first L bus interface 1.6, EOL Sending port 1.7, the port EOL-RX 1.8, first voltage port 1.9 and second voltage port 1.10；
Second switching interface 4 includes the first CAN bus receiving port 4.1, the first port 4.2 CAN bus TX, the 2nd CAN Bus receiving port 4.3, the second port 4.4 CAN bus TX, the 2nd K bus interface 4.5, the 2nd L bus interface 4.6 and power supply Port 4.7；
First CAN bus sending port 1.1 is connect with the first CAN bus receiving port 4.1, the first port CAN bus RX 1.2 connect with the first port CAN bus TX 4.2, the second CAN bus sending port 1.3 and the second CAN bus receiving port 4.3 Connection, the second port CAN bus RX 1.4 are connect with the second port CAN bus TX 4.4, and the first K bus interface 1.5 and the 2nd K are total Line interface 4.5 connects, and the first L bus interface 1.6 is connect with the 2nd L bus interface 4.6；
Power conversion module 9 includes voltage input end 9.1 and voltage output end 9.2；
Serial ports interconnecting module 3 includes EOL receiving port 3.1, the port EOL-TX 3.2, UART sending port 3.3, UART-RX Port 3.4, the first operating voltage end 3.5 and the second operating voltage end 3.6；
WiFi interconnecting module 2 includes UART receiving port 2.1, the port UART-TX 2.2, prevention at radio-frequency port 2.3, WiFi power supply Port 2.4, power supply indicator port 2.5 and work light port 2.6；
The voltage input of the power port 4.7 and power conversion module 9 of first voltage port 1.9 and the second switching interface 4 9.1 connection of end, the voltage output end 9.2 of power conversion module 9 and the WiFi power port 2.4 of WiFi interconnecting module 2 and serial ports The second operating voltage end 3.6, power supply indicator 10 and the work light 11 of interconnecting module 3 connect；
First operating voltage end 3.5 of serial ports interconnecting module 3 and the second voltage port 1.10 of the first switching interface 1 connect It connects, the EOL receiving port 3.1 of serial ports interconnecting module 3 is connect with the EOL sending port 1.7 of the first switching interface 1, serial ports switching The port EOL-TX 3.2 of module 3 is connect with the port EOL-RX 1.8 of the first switching interface 1；
The UART sending port 3.3 of serial ports interconnecting module 3 is connect with the UART receiving port 2.1 of WiFi interconnecting module 2, string The port UART-RX 3.4 of mouth interconnecting module 3 is connect with the port UART-TX 2.2 of WiFi interconnecting module 2, WiFi interconnecting module 2 Prevention at radio-frequency port 2.3 and host computer 5 be wirelessly connected, the power supply indicator port 2.5 of WiFi interconnecting module 2 and power supply indicator 10 The other end connection, the work light port 2.6 of WiFi interconnecting module 2 is connect with the other end of work light 11.
The first voltage port 1.9 of the first switching interface 1 in above-described embodiment 2, power conversion module 9 voltage input 4.7 voltage of power port of end 9.1 and the second switching interface 4 is 24V；
The second voltage port 1.10 of first switching interface 1 and 3.5 voltage of the first operating voltage end of serial ports interconnecting module 3 It is 5.5V；
The voltage output end 9.2 of power conversion module 9 and 3.6 voltage of the second operating voltage end of serial ports interconnecting module 3 are equal For 3.3V；
First switching interface 1 uses and 4 matched 15 hole interface of the second switching interface；
The output interface 6.1 of second switching interface 4 and All-in-One EOL diagnostic tool 6 is connect using 15 needles of same specification and model Mouthful.
Embodiment 3:
As different from Example 2, as shown in fig. 6, power conversion module 9 further includes enable end；
The voltage input end 9.1 of power conversion module 9 includes voltage input anode and voltage input negative terminal；
The voltage output end 9.2 of power conversion module 9 includes voltage output anode and voltage output negative terminal；
The first voltage port 1.9 of first switching interface 1 and the voltage input anode of power conversion module 9 and enable end connect It connects, the voltage output anode of power conversion module 9 is connect with the WiFi power port 2.4 of WiFi interconnecting module 2, power supply modulus of conversion The voltage input negative terminal and voltage output negative terminal of block 9 are grounded.
Embodiment 4:
As different from Example 2, as shown in figure 5, serial ports interconnecting module 3 further includes upper pull end, several ground terminals, first Filtering anode, the first filtering negative terminal, the second filtering anode, second filter negative terminal, the first operating voltage negative terminal and reversely enable End；
Pull-up pin is connect with voltage output end 9.2, and each ground terminal is grounded, and the second operating voltage end 3.6 is also connected with There is first capacitor, the anode of first capacitor is connect with the second operating voltage end 3.6, the cathode ground connection of first capacitor；First filtering Anode is connected with the second capacitor, and the anode of the second capacitor is connect with the first filtering anode, the cathode of the second capacitor and the first filtering Negative terminal connection；Second filtering anode is connected with third capacitor, and the anode of third capacitor is connect with the second filtering anode, third capacitor Cathode with second filtering negative terminal connect；First operating voltage negative terminal is connected with the 4th capacitor, the anode and first of the 4th capacitor The connection of operating voltage negative terminal, the cathode of the 4th capacitor is connect with reversed enable end, and is grounded.
Embodiment 5:
As different from Example 2, as shown in Figure 3 and Figure 4, switching board 12 use dual platen, including the first side 12.1, Second side 12.2, third side 12.3 and the 4th side 12.4；
First switching interface 1 is arranged at the third side 12.3 at switching 12 back side of board, and the setting of the second switching interface 4 is turning At positive first side 12.1 of fishplate bar card 12；
The front of switching board 12 is arranged in power supply indicator 10, work light 11 and serial ports interconnecting module 3；
The back side of switching board 12 is arranged in WiFi interconnecting module 2 and power conversion module 9.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions should all appoint in covering scope of the invention What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims It is quasi-.

Claims (10)

1. a kind of All-in-One EOL diagnostic tool radio transfering device, which is characterized in that turn including the first switching interface (1), WiFi Connection module (2), serial ports interconnecting module (3), the second switching interface (4) and switching board (12)；
First switching interface (1), WiFi interconnecting module (2), serial ports interconnecting module (3), the second switching interface (4), which are arranged at, to be turned On fishplate bar card (12)；
First switching interface (1) is connect with the second switching interface (4), serial ports interconnecting module (3) and the first switching interface (1) and WiFi interconnecting module (2) connection, WiFi interconnecting module (2) is by being wirelessly connected with host computer (5)；
The All-in-One EOL diagnostic tool (6) includes output interface (6.1), the output interface (6.1) and the first switching interface (1) it connects, the second switching interface (4) is identical as output interface (6.1) structure, and the second switching interface (4) is connected with diagnosis harness (7)。
2. All-in-One EOL diagnostic tool radio transfering device as described in claim 1, which is characterized in that the first switching interface It (1) include the first CAN bus sending port (1.1), the first port CAN bus RX (1.2), the second CAN bus sending port (1.3), the second port CAN bus RX (1.4), the first K bus interface (1.5) and the first L bus interface (1.6)；
Second switching interface (4) includes the first CAN bus receiving port (4.1), the first port CAN bus TX (4.2), second CAN bus receiving port (4.3), the second port CAN bus TX (4.4), the 2nd K bus interface (4.5) and the 2nd L bus interface (4.6)；
First CAN bus sending port (1.1) is connect with the first CAN bus receiving port (4.1), the first port CAN bus RX (1.2) it is connect with the first port CAN bus TX (4.2), the second CAN bus sending port (1.3) and the second CAN bus receiving end Mouth (4.3) connection, the second port CAN bus RX (1.4) are connect with the second port CAN bus TX (4.4), the first K bus interface (1.5) it is connect with the 2nd K bus interface (4.5), the first L bus interface (1.6) is connect with the 2nd L bus interface (4.6).
3. All-in-One EOL diagnostic tool radio transfering device as described in claim 1, which is characterized in that the first switching interface It (1) include EOL sending port (1.7) and the port EOL-RX (1.8)；
Serial ports interconnecting module (3) include EOL receiving port (3.1), the port EOL-TX (3.2), UART sending port (3.3) and The port UART-RX (3.4)；
WiFi interconnecting module (2) includes UART receiving port (2.1), the port UART-TX (2.2) and prevention at radio-frequency port (2.3)；
EOL sending port (1.7) is connect with EOL receiving port (3.1), and the port EOL-RX (1.8) and the port EOL-TX (3.2) connect It connects；
UART sending port (3.3) is connect with UART receiving port (2.1), the port UART-RX (3.4) and the port UART-TX (2.2) it connects；
WiFi interconnecting module (2) is wirelessly connected by prevention at radio-frequency port (2.3) and host computer (5).
4. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 3, which is characterized in that further include that power supply turns It changes the mold block (9), power conversion module (9) includes voltage input end (9.1) and voltage output end (9.2)；
First switching interface (1) further includes first voltage port (1.9) and second voltage port (1.10)；
Voltage input end (9.1) is connect with first voltage port (1.9)；
Second switching interface (4) further includes power port (4.7)；
First voltage port (1.9) is also connect with power port (4.7).
5. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 4, which is characterized in that WiFi interconnecting module It (2) further include WiFi power port (2.4), power supply indicator port (2.5) and work light port (2.6)；
WiFi power port (2.4) is connect with voltage output end (9.2)；
Power supply indicator port (2.5) is connected with power supply indicator (10), the other end and voltage output of power supply indicator (10) Hold (9.2) connection；
Work light port (2.6) is connected with work light (11), the other end and voltage output of work light (11) Hold (9.2) connection.
6. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 5, which is characterized in that power conversion module It (9) further include enable end；
The voltage input end (9.1) of power conversion module (9) includes voltage input anode and voltage input negative terminal；
The voltage output end (9.2) of power conversion module (9) includes voltage output anode and voltage output negative terminal；
The first voltage port (1.9) of first switching interface (1) and the voltage input anode of power conversion module (9) and enable end Connection, the voltage output anode of power conversion module (9) are connect with the WiFi power port (2.4) of WiFi interconnecting module (2), electricity The voltage input negative terminal and voltage output negative terminal of source conversion module (9) are grounded.
7. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 5, which is characterized in that serial ports interconnecting module It (3) further include the first operating voltage end (3.5) and the second operating voltage end (3.6)；
First operating voltage end (3.5) is connect with second voltage port (1.10)；
Second operating voltage end (3.6) is connect with voltage output end (9.2).
8. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 7, which is characterized in that serial ports interconnecting module It (3) further include that upper pull end, several ground terminals, the first filtering anode, the first filtering negative terminal, the second filtering anode, the second filtering are negative End, the first operating voltage negative terminal and reversed enable end；
Pull-up pin is connect with voltage output end (9.2), and each ground terminal is grounded, and the second operating voltage end (3.6) is also connected with There is first capacitor, the anode of first capacitor is connect with the second operating voltage end (3.6), the cathode ground connection of first capacitor；First filter Wave anode is connected with the second capacitor, and the anode of the second capacitor is connect with the first filtering anode, the cathode of the second capacitor and the first filter The connection of wave negative terminal；Second filtering anode is connected with third capacitor, and the anode of third capacitor is connect with the second filtering anode, third electricity The cathode of appearance is connect with the second filtering negative terminal；First operating voltage negative terminal is connected with the 4th capacitor, the anode of the 4th capacitor and the The connection of one operating voltage negative terminal, the cathode of the 4th capacitor is connect with reversed enable end, and is grounded.
9. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 7, which is characterized in that the first switching interface (1) voltage input end (9.1) of first voltage port (1.9), power conversion module (9) and the second switching interface (4) Power port (4.7) voltage is 24V；
The second voltage port (1.10) of first switching interface (1) and the first operating voltage end (3.5) of serial ports interconnecting module (3) Voltage is 5.5V；
The voltage output end (9.2) of power conversion module (9) and the second operating voltage end (3.6) electricity of serial ports interconnecting module (3) Pressure is 3.3V；
First switching interface (1) uses and the matched 15 hole interface of the second switching interface (4)；
The output interface (6.1) of second switching interface (4) and All-in-One EOL diagnostic tool (6) uses 15 needles of same specification and model Interface.
10. All-in-One EOL diagnostic tool radio transfering device as claimed in claim 6, which is characterized in that switching board (12) Using dual platen, including the first side (12.1), second side (12.2), third side (12.3) and the 4th side (12.4)；
First switching interface (1) setting is at the third side (12.3) at switching board (12) back side, the second switching interface (4) setting At switching board (12) positive first side (12.1)；
Power supply indicator (10), work light (11) and serial ports conversion module (3) setting are in the front of switching board (12)；
WiFi interconnecting module (2) and power conversion module (9) setting are at the back side of switching board (12).
CN201910790005.1A 2019-08-26 2019-08-26 All-in-one EOL diagnostic tool wireless switching device Active CN110493094B (en)

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CN105974911A (en) * 2016-07-26 2016-09-28 中国重汽集团济南动力有限公司 Wifi-type EOL tool and diagnosis method utilizing same
CN205942433U (en) * 2016-07-26 2017-02-08 中国重汽集团济南动力有限公司 EOL instrument of wifi version
CN208999822U (en) * 2018-05-09 2019-06-18 中国重汽集团济南动力有限公司 A kind of DCU circuitry self test system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060125855A1 (en) * 2004-05-27 2006-06-15 Silverbrook Research Pty Ltd Printer controller for supplying data to one or more printheads via serial links
CN103841098A (en) * 2012-11-23 2014-06-04 Zf腓德烈斯哈芬股份公司 Communication Devices, Radio Switch and Method for Communication
CN105974911A (en) * 2016-07-26 2016-09-28 中国重汽集团济南动力有限公司 Wifi-type EOL tool and diagnosis method utilizing same
CN205942433U (en) * 2016-07-26 2017-02-08 中国重汽集团济南动力有限公司 EOL instrument of wifi version
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