CN208689629U - A kind of service on buses or trains all-in-one machine - Google Patents
A kind of service on buses or trains all-in-one machine Download PDFInfo
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- CN208689629U CN208689629U CN201821545327.7U CN201821545327U CN208689629U CN 208689629 U CN208689629 U CN 208689629U CN 201821545327 U CN201821545327 U CN 201821545327U CN 208689629 U CN208689629 U CN 208689629U
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Abstract
The utility model provides a kind of service on buses or trains all-in-one machine, which includes industrial control computer, station display screen, touch LCD screen, surveys wine module, card reader module, fingerprint instrument, audio, video data dump module, camera module and developing Of Remote Control Power module.The card reader module, which can be read in crew's IC card, goes out to move back diligent information；The survey wine module carries out alcohol content detection to crew；The fingerprint instrument is used for identification, frequently registers to going out to move back；The station display screen is handled for guiding crew to carry out operation, and shows that process and equipment state are handled in operation；The touch LCD screen moves back the display of diligent information and alcohol content testing result and the input of control instruction for going out；The audio, video data dump module moves back audio, video data when duty for dump crew；The developing Of Remote Control Power module can realize the function of remote power-off；The camera module can not only realize video calling, but also can go out to move back diligent substantial length of operation to crew and record.
Description
Technical field
The utility model relates to a kind of all-in-one machines, specifically, relate to a kind of service on buses or trains all-in-one machine.
Background technique
With the high speed development of railway, the demand of crew is increasing, but the culture speed of crew professional
It is much insufficient compared with its demand, the working efficiency of crew how is effectively improved, when compressing the auxiliary labor of crew, is become
One urgent problem to be solved.At the same time, locomotive depot wishes to make railway by the standardization and standardization to crew's operation
Safety management is strengthened.Currently, there are also the functions that system realizes crew's Self-service attendance-leave, but these systems are all deposited
Remind early warning and card reading failure can not be correct if there is abnormal not can be carried out when being moved back diligent operation out in crew
The problems such as processing, has developed a kind of service on buses or trains all-in-one machine for these problems.The service on buses or trains all-in-one machine not only may be implemented it is self-service go out move back
The key operations links such as evening turns out for work (leakproof multiplies), alcohol detects, operating revelation " four verifications, four feedback " occur in diligent operation to carry out
Control, and when crew handles out and moves back diligent operation, situations such as operating is leaked if there is maloperation, can be reported in the page
It is alert to remind prompt；When card reading failure, it can automatically reset；It can whole record service on buses or trains by installing camera outside cabinet
The operating process of member, provides technological means for locomotive operation safety management, avoids the generation of many potential safety problems.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, by technological innovation, to provide a kind of service on buses or trains all-in-one machine.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of service on buses or trains all-in-one machine, the all-in-one machine
Including cabinet, industrial control computer, station display screen, touch LCD screen, card reader module, survey wine module, metal keyboard, fingerprint
Instrument, audio, video data dump module, power supply module, lighting module, camera module, network module, print module, power supply are long-range
Control module.
The industrial control computer is separately connected fingerprint instrument, print module, audio, video data dump mould by USB interface
Block, metal keyboard, sieve skill camera in camera module；By RS232 serial ports and USB interface, wine module and reading are surveyed in connection
Card device module；By USB interface and DVI interface, touch LCD screen is connected, the size of touch LCD screen is 19 ~ 22 cun.
The station display screen, is shown using color LED screen, is mounted on above cabinet, is connect by network interface with interchanger.
The touch LCD screen, includes two parts of touch screen and liquid crystal display, and the two is close together.
The card reader module includes card reader mainboard and its expansion board.It wherein, include dual redundant on card reader mainboard
IC card seat, 2 loudspeaker and audio amplifier circuit.Dual redundant IC card seat is connected on card reader mainboard by I/O interface, each IC
Green, red and green color indicator light below deck are respectively used to instruction plug-in card state and read-write card state；The audio amplification electricity
Road amplification can amplify the audio from industrial control computer, and amplified audio can be played out by loudspeaker；Expansion board is mainly used
In the light on and off of control driver's hand account illuminating lamp band.
The wine module of surveying is mounted on the upper left-hand of cabinet, including alcohol content detection module, iris recognition module and
Wine instrument bottom plate is surveyed, alcohol content detection module is connect by connector with inflatable bar, and iris recognition module is by connector and turns
Shaft portion connection, spindle portion support that 180 degree adjusts amplitude up and down, is adjusted to suitable position according to use demand.
The metal keyboard, using USB interface metal keyboard.
The fingerprint instrument, positioned at the right side of metal keyboard.
The audio, video data that the audio, video data dump module records when starting a work shift for dump crew.
The power supply module and industrial control computer, the card reader mainboard in card reader module, the survey wine instrument in survey wine module
Router in bottom plate, network module is connected, and provides power supply for them.
The lighting module is two LED light strip, and the all-in-one machine Decorative lamp belt before cabinet is provided by industrial control computer
DC12V power supply, driver's hand account illuminating lamp band provide DC12V power supply by the expansion board in card reader module.
The camera module includes before being mounted on sieve skill camera right above cabinet and being mounted on cabinet by connecting rod
The hemisphere or gun-shaped camera of side.
The network module is by wireless router, USB Modem, wired network interface and group of switches at wireless routing
Device, USB Modem and wired network interface are connected with industrial control computer respectively, and the industrial control computer, station display screen,
Camera module and energy supply control module pass through RJ45 network interface respectively and are connected with interchanger.
The print module includes printer, the paper taking port on cabinet, puts paper mouth and maintain easily the drawer of printer.
The developing Of Remote Control Power module, including from externally input alternating current 220V power supply, power outlet, switch, network
The interchanger and network electric power controller of module, network electric power controller are connect by network interface with the interchanger in network module,
It is communicated with industrial control computer by network.
The utility model has substantive features and progress compared with the prior art, and the utility model is mutual by each module
Cooperation, may be implemented the automatic control to key link, realize that engine drivers in locomotive depot send class room to turn out for work/move back and diligent, stationed abroad moves back diligent point out
Equal job managements, realize the real requirements such as remote on-off.Identity is carried out by iris recognition, fingerprint recognition, input work number
Certification, the accuracy that triple guarantees ensure to authenticate, prevents from taking over other's shift, emits the generation for blowing phenomenon.When going out to move back diligent card reading, card reading failure
It can automatically reset；It can still automatically reset when surveying wine failure and survey wine again.It whole can be guided and be multiplied by setting station display screen
Business person is moved back diligent operation out, while showing that process and equipment state are handled in crew's operation, by outside crew's all-in-one machine
Hemisphere or gun-shaped camera are installed in face, can acquire crew in real time and handle out and move back diligent overall process, and send to engineering and send class room
Person on duty's operational terminal is inquired, it is ensured that operating process has mark that can follow, while realizing crew and going out to move back " the machine control of diligent process
The double card control means of+people control " guarantee that crew goes out to move back the standardization and standardization of diligent operation, railway operation safety are effectively ensured.
Detailed description of the invention
Fig. 1 is the hardware external structure of the utility model.
Fig. 2 is the hardware composite structural diagram of the utility model.
Fig. 3 is the card reader module structure chart of the utility model.
Fig. 4 is the survey wine function structure chart of the utility model.
Fig. 5 is the developing Of Remote Control Power function structure chart of the utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
To achieve the goals above, the technical scheme adopted by the utility model is
As shown in Figs. 1-5, a kind of service on buses or trains all-in-one machine, the all-in-one machine include cabinet 1, industrial control computer, station display screen 2,
Touch LCD screen 3 surveys wine module, fingerprint instrument 5, audio, video data dump module 6, print module, card reader module 7, metallic bond
Disk 8, lighting module, camera module, network module, power supply module and developing Of Remote Control Power module.
The industrial control computer, using magnificent AIMB-203 industrial master board is ground by USB interface, be separately connected survey wine module 4,
Fingerprint instrument 5, print module, power supply module, audio, video data dump module 6, metal keyboard 8, card reader module 7；
The station display screen 2, is shown using LED screen, is mounted on crew and is gone out to move back top and the crew of diligent all-in-one machine
Diligent all-in-one machine is moved back out to be used cooperatively, and is guided crew to carry out operation on corresponding service on buses or trains all-in-one machine and is handled, while can show
Process and equipment state are handled in crew's operation, achieve the purpose that more shift service on buses or trains operations are orderly handled.
The touch LCD screen 3, includes touch screen and liquid crystal display two parts, and liquid crystal display is connected by DVI interface
Industrial control computer is connect, touch screen is attached by USB interface and industrial control computer, and touch screen is tightly attached on liquid crystal display,
Having a size of 19 ~ 22 cun, the display of diligent information and alcohol content testing result and the input of control instruction are moved back for going out.
The upper left-hand surveyed wine module and be mounted on cabinet 1, is calculated by USB interface chip and serial ports and the industry control
Machine communication；Including alcohol content detection module 4, iris recognition module 14 and wine instrument bottom plate is surveyed, alcohol content detection module 4 passes through
Connector is connect with inflatable bar 15, and iris recognition module 14 is connect by connector with spindle portion, and spindle portion is supported up and down
180 degree adjusts amplitude, is adjusted to suitable position according to use demand, to carry out alcohol content detection to crew, and by wine
Smart content detection result is sent to the industrial control computer.Alcohol content detection module 4 and iris recognition module 14 are that can insert
It pulls out, it is easy to repair when being damaged, it is ensured that easy to use.Iris recognition module 14 includes iris camera, colored camera shooting
Head, status indicator lamp, infrared light compensating lamp and colored light compensating lamp；Iris camera and colour imagery shot pass through USB port respectively and survey
The connection of wine instrument bottom plate, iris recognition when detecting for drinking and takes pictures, cheating when preventing from surveying wine.Status indicator lamp is for referring to
During showing iris recognition, the distance of tested personnel's distance iris camera, hypertelorism or excessively close display red light, distance are suitble to
Show green light.Infrared light compensating lamp and colored light compensating lamp are respectively used to light filling when camera work, to reinforce identification, camera shooting effect
Fruit.When surveying wine failure, industrial control computer controls CH374S USB interface chip by a single-chip microcontroller and is communicated, when USB goes out
When existing communication failure, industrial control computer sends communication failure order to the single-chip microcontroller by serial ports, and single-chip microcontroller controls CH374S
USB interface chip power-off automatically resets.
The fingerprint instrument 5 goes out crew to move back and frequently register, be mounted on the right side of metal keyboard for carrying out identification
Side.
The audio, video data dump module 6 includes two USB3.0 dump mouths, can when crew carries out moving back diligent operation
Crew is dumped to the monitoring audio/video (including road conditions etc. in front of locomotive) during crew starts a work shift to go out to move back on diligent all-in-one machine, is led to
Crossing network can upload to the locomotive audio, video data of dump on the server of upper system, convenient for analyzing and checking, in dump
When dump progress checked by the progress bar on touch LCD screen 3 at any time.
The print module includes printer, the paper taking port 9 on cabinet, puts paper mouth 10 and maintain easily the pumping of printer
Drawer delivers information for printing operating revelation.
The card reader module 7 is communicated by serial ports and USB interface chip with the industrial control computer, including card reader master
Plate and expansion board.It wherein include dual redundant IC card seat, 2 loudspeaker and audio amplifier circuit on card reader mainboard.Wherein, dual redundant
IC card seat is connected on card reader mainboard by I/O interface, goes out to move back diligent information to read in crew's IC card, and will go out to move back
Diligent information is uploaded to the industrial control computer.The expansion board is connect with the card reader mainboard, is shone for controlling driver's hand account
Whether bright light bar is powered.The audio amplifier circuit can be used for amplifying the audio from industrial control computer, pass through loudspeaker
The audio of amplification can be played out (such as when card reading failure, survey wine failure, video calling sound information).It is lost in card reading
When losing, detect that the information of card reading failure, the industrial control computer are sent to single-chip microcontroller by serial ports and instructed, single-chip microcontroller control
The power-off of CY7C68013A-128AXC USB interface chip automatically resets.
The metal keyboard 8 connects the industrial control computer by USB interface, is used for input paramete information, does not have to for a long time
When backlight in a dormant state, light backlight automatically when having operation, when light is bad, can clearly input each
Kind parameter.
The lighting module is two LED light strip, and the all-in-one machine Decorative lamp belt 11 before cabinet is provided by industrial control computer
DC12V power supply, driver's hand account illuminating lamp band 12 provide DC12V power supply by the expansion board of card reader module.
The camera module includes sieve skill camera C270 for video calling, and is used for monitoring record crew
The hemisphere or gun-shaped video camera 13 of overall process are operated, to realize that crew goes out to move back the double card control of " the machine control+people's control " of diligent process
Means guarantee that crew goes out to move back the standardization and standardization of diligent operation.
The network module can support cable network, the online of wireless network two ways.Wired network interface includes intelligent acess
Mouth and USB Modem access port, the wireless router supports 3G network, 4G network, in inconvenient arrangement cable network
In the case of carried out data transmission using wireless network.
The power supply module, predominantly industrial control computer provide alternating current 220V power supply, are the card reader in card reader module
Mainboard surveys the survey wine instrument bottom plate in wine module, the router offer DC12V supply voltage in network module, and AC220V power supply turns
It is changed to DC12V power supply and uses 50W Switching Power Supply.
The developing Of Remote Control Power module, including from externally input alternating current 220V power supply, power outlet, switch, network
The interchanger and network electric power controller of module, network electric power controller are connect by network interface with the interchanger in network module.
When stuck state occurs suddenly in the service on buses or trains all-in-one machine of point stationed abroad, instruction control remotely can be sent to industrial control computer by network
Network electric power controller power-off processed, service on buses or trains all-in-one machine can power off after receiving instruction, realize the function of remote power-off.In net
Under the action of network Security Separate, when restarting service on buses or trains all-in-one machine, operation data can be reverted to original state, guaranteed
Crew, which smoothly completes out, moves back diligent operation.
The operating process turned out for work using the utility model:
Crew's attendance management include turn out for work registration, alcohol content detection, license check, print and check announcement disclose,
Card reading and testing before card, reception and registration of turning out for work, class envisions, operation of turning out for work completion.
The log-on operation i.e. crew that turns out for work clicks " registration of turning out for work " on service on buses or trains all-in-one machine, and fingerprint or work number identify successfully
Afterwards, attendance time selects diligent train number or inputs train number of turning out for work according to schedule, and networking host computer obtains the plan of turning out for work.The process allows
Attendance time shifts to an earlier date to handle in 20 minutes and turn out for work according to schedule, pre-set time be more than then do not allow to handle within 20 minutes to turn out for work, if
Crew is more than attendance time, can prompt to administer the class of group room person on duty, driver turn out for work it is late arrive, by the class's of group room association process.
Alcohol content detection carries out needing to detect whether crew drinks, works as inspection after crew obtains the plan of turning out for work
When surveying underproof should in ten minutes repetition measurement, can be carried out after qualified in next step.Underproof machine is detected to continuous quadratic
Vehicle crew forbids failure to turn out for work in ten hours.
Certificate is checked, i.e., surveys wine qualification in crew and acquisition is turned out for work after planning list, and networking host computer checks crew's
Whether information corresponds to, such as: plan of starting a work shift, certificate, training information carry out control by preset Rule of judgment, are driving
Sailing in the case that type is not inconsistent, training information is not complete does not allow to turn out for work.Next step operation is carried out if information all meets the requirements.
Operating revelation is printed and checks, crew, which selects to deliver, discloses section, and the delivery of the automatic printing section discloses simultaneously
It is written in IC card.Engine drivers in locomotive depot is disclosed according to the announcement of display, discloses to delivery carry out cropping, mark, verification one by one.
Card reading selects LKJ ephemeral data typing section with card, crew is tested, and card reader module automatically writes after being inserted into IC card
LKJ ephemeral data file；It after the completion of writing card, is examined into LKJ ephemeral data, by the delivery of system software control cropping, mark
Announcement checks item by item.Chance test card it is unqualified when, the telephone number that shows according to screen is contacted with the class of group room, according to engine dispatcher
Instruction handle.
Turn out for work reception and registration, be exactly crew conscientiously read the upper file obtained from server, safety message, important instruction,
The contents such as security risk cue card and requirement.
Before class it is contemplated that i.e. according to the information such as plan display train number, section, locomotive position of turning out for work；It is automatic according to section information
It generates and multiplies Risk-warning, such as: weather risk, vehicle risk, while the newest maintenance feelings of locomotive are shown according to examination and repair system
Condition.
It turns out for work after the completion of operation, crew clicks " completion of turning out for work, please take out IC card ", just operable, when there is net
When the situation of network exception, crew should contact with person on duty in time, handle operation of turning out for work.Since Self-service attendance-leave system is without LKJ
Ephemeral data analog functuion meets letter connection and closes the operating revelation that deactivated, train operation pathway changes, need to simulate in LKJ ephemeral data
Simulated operation is carried out in operation test equipment.
It carries out moving back diligent operating process using the utility model:
Crew carries out moving back diligent registration first, and after iris recognition success, networking host computer obtains system and moves back diligent meter
Draw single, then progress alcohol content detection.Secondly, insertion IC card carries out card reading and writes card, it is automatic by audio-video dump apparatus
Dump LKJ log data file is simultaneously uploaded to host computer.Conveniently check locomotive operation situation and the relevant information of crew,
If suspension can not upload situation in time, can be uploaded again immediately after network recovery.Finally, prompt " is moved back diligent completion, please be taken
The diligent operation of moving back of IC card out ", crew terminates.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of service on buses or trains all-in-one machine, it is characterised in that: the all-in-one machine includes that cabinet, industrial control computer, interchanger, station are shown
Screen, touch LCD screen, card reader module survey wine module, metal keyboard, fingerprint instrument, audio, video data dump module, power supply mould
Block, lighting module, camera module, network module, print module and developing Of Remote Control Power module；
The interchanger, respectively with the industrial control computer, station display screen, camera module, developing Of Remote Control Power module phase
Connection, for extending network interface；
The station display screen and the industrial control computer are handled by network interface connection for guiding crew to carry out operation, and
Process and equipment state are handled in display operation；
The touch LCD screen is connect with the industrial control computer, for going out to move back the aobvious of diligent information and alcohol content testing result
Show and the input of control instruction；
The card reader module is communicated by serial ports and USB interface chip with the industrial control computer, to read crew's IC card
Interior goes out to move back diligent information, and will go out to move back diligent information and be uploaded to the industrial control computer；
The survey wine module is communicated by serial ports and USB interface chip with the industrial control computer, to carry out alcohol to crew
Content detection, and alcohol content testing result is uploaded to the industrial control computer；
The metal keyboard is connect with the industrial control computer, is used for input paramete information；
The fingerprint instrument is communicated by USB interface with the industrial control computer, for carrying out identification, is frequently stepped on to going out to move back
Note；
The audio, video data dump module is connect with the industrial control computer, the audio-video recorded when for crew to start a work shift
Data dump is to the service on buses or trains all-in-one machine；
The output of the power supply module is separately connected other modules, for providing 12V supply voltage；
The lighting module uses two LED light strip, uses respectively as driver's hand account headlamp and all-in-one machine ornament lamp.
2. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: the industrial control computer is industrial using China 203 is ground
Mainboard.
3. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: the survey wine module includes containing for carrying out alcohol
The alcohol content detection module, the iris recognition module for verifying testee's identity and survey wine instrument bottom plate of detection are measured, it is described
Alcohol content detection module and the iris recognition module are separately positioned on the survey wine instrument bottom plate.
4. service on buses or trains all-in-one machine according to claim 3, it is characterised in that: the iris recognition module includes iris camera
And colour imagery shot；The iris camera and the colour imagery shot are connect by USB mouthfuls with interface bottom plate respectively, are used for
It the iris recognition drunk when detecting and takes pictures, cheating when preventing from surveying wine.
5. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: the industrial control computer is controlled by a single-chip microcontroller
The USB interface chip carries out card reading, sends card reading to the single-chip microcontroller by serial ports and unsuccessfully orders, the single-chip microcontroller controls institute
USB interface chip power-off is stated to automatically reset.
6. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: the metal keyboard uses USB interface metallic bond
Disk.
7. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: the integrated machine system further includes and the industry control meter
The camera module of calculation machine connection.
8. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: the integrated machine system further includes and the industry control meter
The connection of calculation machine, for realizing the network module of the Internet transmission, the network module includes wired network mouth, USB Modem and nothing
Line router.
9. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: further include delivering beating for information for printing to disclose
Impression block, the print module and the industrial control computer communicate to connect.
10. service on buses or trains all-in-one machine according to claim 1, it is characterised in that: further include developing Of Remote Control Power module, the electricity
Source remote control module includes from externally input alternating current 220V power supply, power supply toggle switch and network electric power controller, network
Power-supply controller of electric is connect by network interface with interchanger, is communicated with industrial control computer by network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545327.7U CN208689629U (en) | 2018-09-21 | 2018-09-21 | A kind of service on buses or trains all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545327.7U CN208689629U (en) | 2018-09-21 | 2018-09-21 | A kind of service on buses or trains all-in-one machine |
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| Publication Number | Publication Date |
|---|---|
| CN208689629U true CN208689629U (en) | 2019-04-02 |
Family
ID=65889216
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| CN201821545327.7U Active CN208689629U (en) | 2018-09-21 | 2018-09-21 | A kind of service on buses or trains all-in-one machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751742A (en) * | 2019-10-23 | 2020-02-04 | 成都地铁运营有限公司 | Subway crew service attendance and attendance all-in-one system |
| CN111145377A (en) * | 2019-12-31 | 2020-05-12 | 河南思维信息技术有限公司 | Intelligent and integrated attendance and attendance management method and system |
| CN112671424A (en) * | 2020-12-28 | 2021-04-16 | 北京交大思诺科技股份有限公司 | Multifunctional locomotive attendant handheld communication terminal |
| CN113744422A (en) * | 2020-05-28 | 2021-12-03 | 郑州畅想高科股份有限公司 | Attendance method and attendance returning method of crew members and crew attendance returning system |
| CN114681636A (en) * | 2020-12-31 | 2022-07-01 | 郑州畅想高科股份有限公司 | Expired gas alcohol detection module disinfection device and alcohol tester and attendance exit and attendance return integrated machine |
-
2018
- 2018-09-21 CN CN201821545327.7U patent/CN208689629U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751742A (en) * | 2019-10-23 | 2020-02-04 | 成都地铁运营有限公司 | Subway crew service attendance and attendance all-in-one system |
| CN111145377A (en) * | 2019-12-31 | 2020-05-12 | 河南思维信息技术有限公司 | Intelligent and integrated attendance and attendance management method and system |
| CN113744422A (en) * | 2020-05-28 | 2021-12-03 | 郑州畅想高科股份有限公司 | Attendance method and attendance returning method of crew members and crew attendance returning system |
| CN112671424A (en) * | 2020-12-28 | 2021-04-16 | 北京交大思诺科技股份有限公司 | Multifunctional locomotive attendant handheld communication terminal |
| CN112671424B (en) * | 2020-12-28 | 2022-08-05 | 北京交大思诺科技股份有限公司 | Multifunctional locomotive attendant handheld communication terminal |
| CN114681636A (en) * | 2020-12-31 | 2022-07-01 | 郑州畅想高科股份有限公司 | Expired gas alcohol detection module disinfection device and alcohol tester and attendance exit and attendance return integrated machine |
| CN114681636B (en) * | 2020-12-31 | 2024-04-12 | 郑州畅想高科股份有限公司 | Expiration gas alcohol detection module disinfection device, alcohol tester and attendance machine |
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