CN206133304U - EOAS equipment detecting system - Google Patents
EOAS equipment detecting system Download PDFInfo
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- CN206133304U CN206133304U CN201621189299.0U CN201621189299U CN206133304U CN 206133304 U CN206133304 U CN 206133304U CN 201621189299 U CN201621189299 U CN 201621189299U CN 206133304 U CN206133304 U CN 206133304U
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Abstract
The utility model provides a EOAS equipment detecting system, is through detecting host computer bring -up test instruction, and EOAS host computer test fixture surveys the EOAS host computer with the quilt and carries out the data interaction, through interactive process's data analysis, determines the unusual of each communication interface, also can monitor two way power output and the audio signal input of EOAS host computer simultaneously, pass test, the host computer shows the test result in real time to judge it is whether normal that each is surveyed test panel card function. This system device is including detecting host computer, EOAS host computer test fixture and being gone up each integrated circuit board testing software by test equipment. The utility model discloses the advantage: adopt multiple emulation measuring technology, network technique, through sending different simulation tests instructions data, interface converting, detect each equipment board card function of EOAS host computer, communication, export power supply voltage, solve effectively that EOAS host computer equipment board card volume production detects and the routine maintenance detects the scheduling problem.
Description
Technical field
This utility model belongs to railroad train detection application, is specifically related to a kind of enter EOAS on-vehicle host equipment
Row automatic checkout system.
Background technology
EMUs driver manipulation information analysis system (EOAS), realizes collection, storage and the data of driver's manipulation data
Analysis；The automatic acquisition of the system is located at the DMS data centers of the Ministry of Railways for information about, and passes through portion, interoffice information channel transfer
To relevant Railway Bureau's application server, each locomotive depot arranges terminal unit, realizes motor train unit train operation essential information, Si Jicao
The real-time directional transmissions of the data such as control information.EMUs driver manipulation information analysis system possesses motor train unit train operation essential information
And driver manipulates the functions such as presentation of information inquiry, important information warning, the analysis of information classification collect statistics, the inquiry of historical data.
With outsourcing, the production in enormous quantities of EOAS systems, in scheduling and planning, checkout procedure, life is caused because lacking debugging tool
Produce inefficiency problem more to project.In order to preferably realize the automatization of process of producing product, scheduling and planning efficiency, rule are improved
The production procedure of model EOAS main frames, unification carry out Static Detection and function debugging to each board, need for EOAS main frames
Scheduling and planning researches and develops a EOAS test fixtures detecting system, ensures the efficiency of outsourcing production in enormous quantities and improves stable
Property.
The content of the invention
The purpose of this utility model provides a kind of EOAS device detection systems, by detecting that host computer sends test instruction,
EOAS host tests frock carries out data interaction with tested EOAS main frames, by the data analysiss of interaction, judges each
The exception of communication interface, while can also monitor the output of two-way power supply and audio signal input of EOAS main frames；By test, on
Whether position machine shows test result in real time, normal so as to judge each tested board function.
For achieving the above object, this utility model is employed the following technical solutions：
A kind of EOAS device detection systems, including detection host computer, EOAS host test frocks；It is described detection host computer with
EOAS host test frocks are attached by network；
The detection host computer, issues for test command, test result shows；
The EOAS host tests frock, for receiving, perform detection host computer send test instruction, to test instruction
The board equipment being sent to after pretreatment on outside EOAS main frames；The each board of outside EOAS main frames is received simultaneously tests feedback letter
Breath, is sent after pretreatment to detection host computer.
The EOAS host tests frock, comprising EOAS host test frock cabinets, EOAS host test frock mainboards and
Each interface accessory；
The EOAS host tests frock cabinet, fixes for EOAS host test frock mainboards and each interface accessory is fixed
And install；
The EOAS host tests frock mainboard, for receiving, the test instruction that sends of perform detection host computer, Jing locates in advance
It is forwarded to outside EOAS main frames to be tested after reason, while receive EOAS host tests feedback information and be forwarded to detecting upper
Machine；
Each interface accessory, connects for external apparatus interface, is fixed on EOAS host test frock case front panels
On shell.
The EOAS host tests frock mainboard, comprising analogue collection module, dio Output Modules, main processing block,
RS232 interface modules, RS485 interface modules, RS422 interface modules, Network Interface Module, ethernet interface module, power supply mould
Block；The analogue collection module, dio Output Modules, RS232 interface modules, RS485 interface modules, RS422 interface modules,
Network Interface Module, ethernet interface module are electrically connected with main processing block；The ethernet interface module and detection host computer
It is communicatively coupled by TCP/IP networks；
The analogue collection module, externally exports direct current power source voltage for gathering outside EOAS main frames two-way, and will
Collection voltages are transmitted to main processing block after isolation is amplified；The power supply that the EOAS main frames two-way is externally exported, respectively+
5VDC and+24VDC；
The dio Output Modules, for by main processing block export 2k audio signals Jing after isolation, partial pressure, interface conversion
Transmit to outside EOAS host audios input interface；
The main processing block, sends test instruction and heartbeat data packets for receiving detection host computer, and surveys to receiving
Examination instruction carries out response, parsing, classification process, and is sent instruction is tested to the survey of outside EOAS main frames by corresponding interface
Test plate (panel) card；Meanwhile, main processing block receives the packet of outside EOAS main frames feedback, sends upper to detecting after pretreatment
Machine；
The RS232 interface modules, send the test instruction of WTD plate interfaces, Jing interface conversions for receiving main processing block
After send to outside EOAS main frames WTD plates；
The RS485 interface modules, send the test instruction of DTAG plate interfaces, Jing interface conversions for receiving main processing block
After send to outside EOAS Host DTs AG plates；
The RS422 interface modules, refer to for receiving main processing block and sending CIR plates, CPM plates, RDDU plate interfaces and test
Order, sends to the CIR plates of outside EOAS main frames, CPM plates, RDDU plates Jing after interface conversion；
The Network Interface Module, for the COMM boards of test fixture and outside EOAS main frames, DRWTD boards, DUMP
Communication test is carried out between board and CPU board card；The Network Interface Module, is configured with multiple independent network interfaces, and each is only
Vertical network interface COMM boards respectively with outside EOAS main frames, led between DRWTD boards, DUMP boards and CPU board card
Letter connection；
The ethernet interface module, for detecting that host computer is communicatively coupled；
The power module, for by outside input alternating current 220V Power convert for needed for EOAS host test frocks direct current
12V running voltages.
The detection host computer, using industrial computer, can be with multiple EOAS host tests works by the network switch
Row connection communication, test are put into, test result is carried out by external-connection displayer and is shown.
Using the present invention of above-mentioned technical proposal, it has advantages below：
(1) present invention adopt various emulation testing technologies, network technology, by send different simulation testing director data,
Interface conversion, detects to each equipment plate card function of EOAS main frames, communication, output supply voltage, effectively solving EOAS main frame
The problems such as equipment plate card volume production is detected and regular maintenance is detected.
(2) present invention is developed for EOAS system host equipment, and equipment adopts modular construction, externally using standard
Connector, facilitates testing staff to use equipment, manages.
Description of the drawings
Fig. 1 is system construction drawing of the present utility model.
Fig. 2 is software data flow process figure of the present utility model.
Fig. 3 is single machine test flow chart of the present utility model.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described, is retouched
The embodiment stated is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, this area
The every other embodiment obtained under the premise of creative work is not made by technical staff, belongs to the model of present invention protection
Enclose.
As shown in figure 1, a kind of EOAS device detection systems, hardware includes detecting host computer, EOAS host test frocks；Survey
During examination, tester carries out Correlation selection by detecting upper computer software interface, surveys comprising single-board testing, one key of unit in option
Examination, the test of one key of multimachine etc.；After tester clicks on sends instruction, by network interface, test item instruction is sent to
EOAS host test frocks；Test fixture performs test successively, sends test data bag to EOAS main frames；Survey in EOAS main frames
Examination software can feed back to different packets, and the packet is transmitted in detection after EOAS host test frock pretreatment
According to the instruction of the instruction and withdrawal for sending before, position machine, detection host computer judge whether each board function is normal.
A kind of EOAS device detection systems, hardware include detecting host computer, EOAS host test frocks；The detection is upper
Machine is attached by Ethernet with EOAS host test frocks；
The detection host computer, issues for test command, tests feedback result and show；
The EOAS host tests frock, for receiving, perform detection host computer send test instruction, to test instruction
Send after pretreatment to outside EOAS motherboards card apparatus；The each board of outside EOAS main frames is received simultaneously tests feedback information, Jing
Send after pretreatment to detection host computer.
The EOAS host tests frock, comprising EOAS host test frock cabinets, EOAS host test frock mainboards and
Each interface accessory；
The EOAS host tests frock cabinet, fixes for EOAS host test frock mainboards and each interface accessory is fixed
And install；
The EOAS host tests frock mainboard, for receiving, the test instruction that sends of perform detection host computer, Jing locates in advance
It is forwarded to outside EOAS main frames to be tested after reason, while receive EOAS host tests feedback information and be forwarded to detecting upper
Machine；
Each interface accessory, connects for external apparatus interface, is fixed on EOAS host test frock case front panels
On shell.
The EOAS host tests frock mainboard, comprising analogue collection module, dio Output Modules, main processing block,
RS232 interface modules, RS485 interface modules, RS422 interface modules, Network Interface Module, ethernet interface module, power supply mould
Block；The analogue collection module, dio Output Modules, RS232 interface modules, RS485 interface modules, RS422 interface modules,
Network Interface Module, ethernet interface module are electrically connected with main processing block；The ethernet interface module and detection host computer
It is communicatively coupled by TCP/IP networks；
The analogue collection module, externally exports direct current power source voltage for gathering outside EOAS main frames two-way, and will
Collection voltages are transmitted to main processing block after isolation is amplified；The power supply that the EOAS main frames two-way is externally exported, respectively+
5VDC and+24VDC；
The dio Output Modules, for by main processing block export 2k audio signals Jing after isolation, partial pressure, interface conversion
Transmit to outside EOAS host audios input interface；
The main processing block, sends test instruction and heartbeat data packets for receiving detection host computer, and surveys to receiving
Examination instruction carries out response, parsing, classification process, and is sent instruction is tested to the survey of outside EOAS main frames by corresponding interface
Test plate (panel) card；Meanwhile, main processing block receives the packet of outside EOAS main frames feedback, sends upper to detecting after pretreatment
Machine；
The RS232 interface modules, send the test instruction of WTD plate interfaces, Jing interface conversions for receiving main processing block
After send to outside EOAS main frames WTD plates；
The RS485 interface modules, send the test instruction of DTAG plate interfaces, Jing interface conversions for receiving main processing block
After send to outside EOAS Host DTs AG plates；
The RS422 interface modules, refer to for receiving main processing block and sending CIR plates, CPM plates, RDDU plate interfaces and test
Order, sends to the CIR plates of outside EOAS main frames, CPM plates, RDDU plates Jing after interface conversion；
The Network Interface Module, for the COMM boards of test fixture and outside EOAS main frames, DRWTD boards, DUMP
Communication test is carried out between board and CPU board card；The Network Interface Module, is configured with multiple independent network interfaces, and each is only
Vertical network interface COMM boards respectively with outside EOAS main frames, led between DRWTD boards, DUMP boards and CPU board card
Letter connection；
The ethernet interface module, for detecting that host computer is communicatively coupled；
The power module, for by outside input alternating current 220V Power convert for needed for EOAS host test frocks direct current
12V running voltages.
The detection host computer, using industrial computer, can be with multiple EOAS host tests works by the network switch
Row connection communication, test are put into, test result is carried out by external-connection displayer and is shown.
As shown in Fig. 2 when EOAS device detection systems are tested, sending test instruction by detection host computer, EOAS main frames are surveyed
Trial work attaching carries out repeat-back after receiving test instruction, while sending heartbeat signal；EOAS host tests frock is surveyed to receiving
Examination instruction carries out pretreatment and forwards outside EOAS main frames；The each board test software of EOAS main frames is received after reception is instructed to hard
Part board function is tested, and test data is fed back to EOAS host test frocks, and EOAS host tests frock is to receiving
Test feedback data enters pretreatment, then feeds back to detection host computer；Meanwhile, EOAS host tests frock collection EOAS main frames
CIR plates output direct current 5V power supplys, DUMP plates export direct current 24V power supplys, and gathered data is carried out on after A/D conversions, packing are processed
Reach detection host computer.
A kind of EOAS equipment detection methods, it comprises the steps of：
1., detect that host computer and EOAS host tests frock set up communication connection, by detecting that upper computer software selects to survey
Die trial formula, category of test and it is devices under, and sends test instruction；
2., EOAS host tests frock docking Acceptance Tests instruction carries out pretreatment, is then forwarded to outside EOAS main frames each
Board is tested；
3., outside EOAS main frames are parsed after receiving test instruction, and feedback test data are to EOAS host test works
Dress, EOAS host tests frock are forwarded to detection host computer by network interface and are shown.
In step 1, the detection host computer is built-in with inspection software, realizes detecting by TCP/IP network communication modes
Detection host computer is set to client during data interaction, by EOAS by host computer and the data interaction of EOAS host test frocks
Host test frock is set to service end, and detection host computer actively sends connection request to service end after starting, treats network connection
Corresponding test operation is carried out after foundation；
The detection upper computer software test pattern, is divided into multimachine test pattern and single machine test pattern；During test, pass through
Manual type carries out test mode selection operation on detection upper computer software；The multimachine test pattern is more by artificial selection
Machine test pattern button, then carries out multiple single machine tests in a parallel fashion, and the test result centralized displaying of each main frame is existed
Check for user in the unified result output page；
As shown in figure 3, during single machine test, carry out networking connection status detection first, check EOAS host tests frock with
Whether the connection of EOAS host CPUs plate is normal；By detecting that upper computer software selects the independent testing button of EOAS main frame frocks, then
Select system test or single-board testing；During system test, system test button is selected by software interface, software is according to setting plate
Card testing sequence automatically selects board and carries out system test to EOAS main frames；During single-board testing, by the option board of software interface
Card title is tested to a certain piece of board of EOAS main frames；After system test or single-board testing pass through, detection host computer sends to be surveyed
Examination instruction/data；EOAS main frames receive test and instruct and perform test, then feedback test data；Detection host computer is received to be surveyed
Examination feedback data, and according to board detected rule analytical data, finally export and be detected board analysis result；
The single-board testing, including communication interface test, apparatus function test, voltage tester；
The communication interface test, by detecting that host computer sends specific test data, compares EOAS main frame frocks anti-
The test data of feedback, judges that equipment unification is normal if repeatedly test data is consistent, on the contrary then determining interface exception；
The apparatus function test, sends apparatus function test instruction by host computer, parses frock according to communication protocol
The test data of feedback；Repeatedly test, if parsing the equal function of test data result normally if judge that the function is normal, instead
Then judge abnormal；
The voltage tester：Equipment current voltage data which is gathered and set are fed back according to EOAS main frame frocks
Voltage range is judged, judges that equipment voltage is normal, otherwise then judge that equipment voltage is different if magnitude of voltage is in the range of setting
Often.
In step 2, the EOAS host tests frock, internal processor adopt single-chip microcomputer, single-chip microcomputer to receive by network interface
Test instruction and heartbeat packet that host computer sends, and the test instruction and heartbeat packet to receiving carries out response, then will test
Instruction is parsed, and according to the difference of test plate, is sent instruction is tested to outside EOAS main frames by corresponding interface
Each tested board；Meanwhile, EOAS host tests frock receives feedback data of the test board to test instruction, and will feedback
Data are forwarded by network interface again and deliver to detection host computer；
The EOAS host tests frock, external interface types include RS422, RS485, RS232, network interface；The RS422
Interface, three kinds of the outside EOAS host C PM plates of connection, CIR plates and RDDU plates, EOAS host test frocks are gone here and there by single channel RS422
Mouth receives the data that EOAS host C PM plates, CIR plates and RDDU plates send according to the pattern that timesharing switches；
The RS485 interfaces, the outside EOAS Host DT AG plates of connection, EOAS host test frocks are gone here and there by single channel RS485
Mouth receives the data that EOAS Host DT AG plates send；
The RS232 interfaces, the outside EOAS main frame WTD plates of connection, EOAS host tests frock pass through single channel RS485 serial ports
Receive the data that EOAS main frame WTD plates send；
The network interface, EOAS host tests frock CPU, DUMP, COMM, DRWTD plate respectively with EOAS main frames
Connection, and receive the data that each board sends；Meanwhile, EOAS host tests frock is led to using network interface with detection host computer
Letter；
The EOAS host tests frock, communicated network interface IP address with detection host computer, realizes that this connects by debugging serial ports
The configuration and inquiry of mouth IP address and MAC Address.
In step 3, the EOAS device detection systems are also soft including each board test on EOAS main frames is devices under
Part；The outside EOAS main frames, before each board hardware testing is carried out, install the supporting test software of each board first；It is described
Outside EOAS main frames board test, including the test of serial ports class board, the test of network interface class board, the test of BATT board tests, CPU board；
The EOAS serial port of host computer class board, including CPM plates, CIR plates, RDDU plates, DTAG plates, WTD plates；The serial ports class
Board is tested, including LED status test, audio data collecting test, serial communication test, backplane communication test；
The display lamp test mode test, test serial ports class board working condition, communications status, right when tested situation
Lower display lamp is flicker, does not flash when abnormal；
The audio data collecting functional test, EOAS host audio plate test softwares when receive test instruction after,
Sampled value is read in interrupt handling routine, and is compared with last time collection numerical value, be more than when double sampling numerical value is detected
Corresponding mark is put during certain threshold value, and is sent to test fixture by serial ports with other data together；
The serial communication function test, after EOAS main frame board test softwares receive particular data test instruction, so
Data to receiving in mastery routine are parsed afterwards, judge that data are normally sent to EOAS main frames by same serial ports afterwards
Test fixture；
The backplane communication test, EOAS main frame board test softwares are by backplane bus timing to EOAS host CPU plates
Registration and status information are sent, when receiving the rearmounted corresponding mark of the correct response data of EOAS host CPU plates, and with other data
Sent to EOAS host test frocks by corresponding serial ports together；
The EOAS main frames network interface class board, including CPU board, DUMP plates, COMM plates, DRWTD plates；The network interface class board
Test, after EOAS host tests frock starts, regularly sends registration or status information to EOAS host CPUs plate, when receiving
After EOAS host CPU plate response datas, put communication function and normally indicate；The each board of EOAS main frames initiates TCP connections afterwards, if even
The work(test data instruction to be received such as then is connected into, if connection is unsuccessful, proceeds TCP connections next time；It is after successful connection, right
The test data for receiving is carried out dissection process and is sent to EOAS host test frocks by network interface；
The EOAS host Bs ATT board tests, are completed to communicate and are tested by CPU board；EOAS host tests frock starts
Afterwards, registration or status information are sent to EOAS host CPUs plate regularly, when EOAS host CPU plate response messages are received, puts bus
Communication mark, is then carried out the control test of BATT plates display lamp, capacitance voltage acquisition process, is sent out by CPU board after data assembling
Deliver to EOAS host test frocks；
The EOAS host CPUs board test, comprising network interface communication test, USB interface test, the test of CF cards, system clock
Test, house dog test；On EOAS host CPU plates after electricity, test software automatic matched somebody with somebody according to fixed network on CPU board
Confidence breath actively asks network connection to EOAS host tests frock, and after network sets up connection, test software monitors EOAS master
The test director data that machine test fixture sends, it is waiting receive network interface test data after feedback on the one hand complete primary network
Interface testing；Meanwhile, on CPU board, test software performs USB interface readwrite tests, CF card readwrite tests, system clock test, and
Test result is transmitted to EOAS main frames and surveys frock；EOAS host CPU plates house dog is tested, and circulates journey by performing test software
Sequence after system reboot is completed and connects upper EOAS host tests frock, sends system state data until system reset is restarted
Condition adjudgement is carried out for EOAS host tests frock.
The present invention adopts various emulation testing technologies, network technology, by sending different simulation testing director data, interface
Conversion, detects to each equipment plate card function of EOAS main frames, communication, output supply voltage, effectively solving EOAS main process equipment
The problems such as board volume production is detected and regular maintenance is detected.
The present invention is developed for EOAS system host equipment, and equipment adopts modular construction, is externally connect using standard
Plug-in unit, facilitates testing staff to use equipment, manages.
Claims (4)
1. a kind of EOAS device detection systems, is characterized in that, it includes detecting host computer, EOAS host test frocks；The inspection
Survey host computer to be attached by network with EOAS host test frocks；
The detection host computer, issues for test command, test result shows；
The EOAS host tests frock, it is for receiving, the test instruction that sends of perform detection host computer, pre- to test instruction to locate
The board equipment being sent to after reason on outside EOAS main frames；The each board of outside EOAS main frames is received simultaneously tests feedback information, Jing
Send after pretreatment to detection host computer.
2. EOAS device detection systems according to claim 1, is characterized in that：The EOAS host tests frock, comprising
EOAS host test frock cabinets, EOAS host test frock mainboards and each interface accessory；
The EOAS host tests frock cabinet, fixes for EOAS host test frock mainboards and each interface accessory is fixed and pacified
Dress；
The EOAS host tests frock mainboard, for receiving, perform detection host computer send test instruction, after pretreatment
It is forwarded to outside EOAS main frames to be tested, while receiving EOAS host tests feedback information and being forwarded to detection host computer；
Each interface accessory, connects for external apparatus interface, is fixed on EOAS host test frock case front panel shells
On.
3. EOAS device detection systems according to claim 1, is characterized in that：The EOAS host tests frock mainboard,
Comprising analogue collection module, dio Output Modules, main processing block, RS232 interface modules, RS485 interface modules, RS422
Interface module, Network Interface Module, ethernet interface module, power module；The analogue collection module, audio output mould
Block, RS232 interface modules, RS485 interface modules, RS422 interface modules, Network Interface Module, ethernet interface module and master
Processing module is electrically connected；The ethernet interface module is communicatively coupled by TCP/IP networks with detection host computer；
The analogue collection module, externally exports direct current power source voltage for gathering outside EOAS main frames two-way, and will collection
Voltage is transmitted to main processing block after isolation is amplified；The power supply that the EOAS main frames two-way is externally exported, respectively+5VDC
With+24VDC；
The dio Output Modules, for main processing block output 2k audio signals are transmitted Jing after isolation, partial pressure, interface conversion
To outside EOAS host audio input interfaces；
The main processing block, sends test instruction and heartbeat data packets for receiving detection host computer, and docks Acceptance Tests and refer to
Order carries out response, parsing, classification process, and is sent instruction is tested to the test board of outside EOAS main frames by corresponding interface
Card；Meanwhile, main processing block receives the packet of outside EOAS main frames feedback, is sent to detection host computer after pretreatment；
The RS232 interface modules, send the test instruction of WTD plate interfaces for receiving main processing block, send out Jing after interface conversion
Deliver to outside EOAS main frames WTD plates；
The RS485 interface modules, send the test instruction of DTAG plate interfaces for receiving main processing block, send out Jing after interface conversion
Deliver to outside EOAS Host DTs AG plates；
The RS422 interface modules, send CIR plates, CPM plates, the test instruction of RDDU plate interfaces, Jing for receiving main processing block
Send after interface conversion to the CIR plates of outside EOAS main frames, CPM plates, RDDU plates；
The Network Interface Module, for the COMM boards of test fixture and outside EOAS main frames, DRWTD boards, DUMP boards
Communication test is carried out and CPU board card between；The Network Interface Module, is configured with multiple independent network interfaces, each separate mesh
Network interface COMM boards respectively with outside EOAS main frames, between DRWTD boards, DUMP boards and CPU board card, carry out communication link
Connect；
The ethernet interface module, for detecting that host computer is communicatively coupled；
The power module, for by outside input alternating current 220V Power convert for needed for EOAS host test frocks direct current 12V
Running voltage.
4. EOAS device detection systems according to claim 1, is characterized in that：The detection host computer, using industry meter
Calculation machine, can be attached with multiple EOAS host tests frocks by the network switch and communicate, test, by external-connection displayer
Carry out test result to show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189299.0U CN206133304U (en) | 2016-10-31 | 2016-10-31 | EOAS equipment detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189299.0U CN206133304U (en) | 2016-10-31 | 2016-10-31 | EOAS equipment detecting system |
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| Publication Number | Publication Date |
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| CN206133304U true CN206133304U (en) | 2017-04-26 |
Family
ID=58578106
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221997A (en) * | 2019-05-20 | 2019-09-10 | 湖北三江航天万峰科技发展有限公司 | A kind of USB interface-based versatile interface interconnecting device |
| CN110824386A (en) * | 2019-10-21 | 2020-02-21 | 中车太原机车车辆有限公司 | Wire winding test device for electronic plug-in box of electric locomotive |
| CN113890635A (en) * | 2021-09-29 | 2022-01-04 | 四川虹美智能科技有限公司 | Detection tool, detection device, detection method and medium for intelligent product |
-
2016
- 2016-10-31 CN CN201621189299.0U patent/CN206133304U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221997A (en) * | 2019-05-20 | 2019-09-10 | 湖北三江航天万峰科技发展有限公司 | A kind of USB interface-based versatile interface interconnecting device |
| CN110824386A (en) * | 2019-10-21 | 2020-02-21 | 中车太原机车车辆有限公司 | Wire winding test device for electronic plug-in box of electric locomotive |
| CN113890635A (en) * | 2021-09-29 | 2022-01-04 | 四川虹美智能科技有限公司 | Detection tool, detection device, detection method and medium for intelligent product |
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