CN109451440A - Vehicle data transmission equipment, vehicle and data transmission system - Google Patents

Vehicle data transmission equipment, vehicle and data transmission system Download PDF

Info

Publication number
CN109451440A
CN109451440A CN201811205799.2A CN201811205799A CN109451440A CN 109451440 A CN109451440 A CN 109451440A CN 201811205799 A CN201811205799 A CN 201811205799A CN 109451440 A CN109451440 A CN 109451440A
Authority
CN
China
Prior art keywords
vehicle
data transmission
controller
module
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811205799.2A
Other languages
Chinese (zh)
Inventor
党忠明
刘代星
袁卫平
张颂山
许慎之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Zhongming Technology Co Ltd
Original Assignee
Shaanxi Zhongming Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Zhongming Technology Co Ltd filed Critical Shaanxi Zhongming Technology Co Ltd
Priority to CN201811205799.2A priority Critical patent/CN109451440A/en
Publication of CN109451440A publication Critical patent/CN109451440A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/02Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40Support for services or applications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to identification data to transmit correlative technology field, and in particular to a kind of vehicle data transmission equipment, vehicle and data transmission system.Wherein, vehicle data transmission equipment includes: controller and first communication module.Controller connects first communication module.Controller is for being fixed at vehicle;First communication module is the first radio-frequency module;Controller is also used to connect by the first radio-frequency module with preset first serial communication.So set, being carried out data transmission by vehicle data transmission equipment provided by the present application, preset first communication terminal reduces the risk that preset first communication terminal is invaded, improves the safety of preset first communication terminal without connecting internet.

Description

Vehicle data transmission equipment, vehicle and data transmission system
Technical field
The present invention relates to identification data to transmit correlative technology field, and in particular to a kind of vehicle data transmission equipment, vehicle And data transmission system.
Background technique
With the continuous development of the information transmission technology.The information transmission technology is used in each side in people's production and living Face.
Especially in vehicle transport related aspect.People by the way that relevant device is arranged on vehicle so that, vehicle can To send vehicle position information and other information to company Intranet by internet Connected Corp. Intranet.
In above scheme, company Intranet needs to connect internet, can just carry out the interaction of the information between vehicle.But It is that company Intranet is connect with internet, the risk for bringing company Intranet to be invaded reduces the safety of company Intranet.Therefore, must It must solve the technical risk that company Intranet and internet are connected directly.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of vehicle data transmission equipment, Vehicle and data transmission system.
In order to achieve the above object, the present invention adopts the following technical scheme:
According to the application in a first aspect, the application provides a kind of vehicle data transmission equipment, provided by the present application data Transmission device includes:
Controller, for being fixed at vehicle;
The first communication module being connect with the controller;The first communication module is the first radio-frequency module;
The controller is also used to connect by first radio-frequency module with preset first serial communication.
Optionally, further includes:
The locating module connecting with the controller, the locating module obtain vehicle for being fixed at vehicle Location information.
Optionally, the locating module is Beidou positioning module or GPS module.
Optionally, the controller includes: storage unit;
The storage unit, for storing the basic information and mission bit stream of the vehicle;
The controller is specifically used for sending the base to preset first communication terminal by first radio-frequency module Plinth information and mission bit stream.
Optionally, further includes: the second communication module being connect respectively with the controller and locating module;
Second communication module connects internet by preset decoding device;
The controller is also used to be communicatively coupled by the second communication module with internet;
The locating module, what is be used for is communicatively coupled by the second communication module with internet.
Optionally, further includes: box body;
The controller and the first communication module are arranged in the tray interior.
According to the application second aspect, the application provides a kind of vehicle.Vehicle provided by the present application include: vehicle body, With the vehicle data transmission equipment being arranged on the vehicle body;
The vehicle data transmission equipment is vehicle data transmission equipment described in the application first aspect.
According to the application third aspect, the application provides a kind of data transmission system.Data transmission system provided by the present application System, comprising: at least one vehicle just has the first service host of radio communication function;
The vehicle is the vehicle provided such as the application second aspect.
The controller is communicatively coupled by first radio-frequency module and the first service host.
Further, when the vehicle data transmission equipment is vehicle data transmission equipment as claimed in claim 5, The data transmission system further include:
Default second service host, intelligent terminal;
The controller is also used to connect by the second communication module with the default second service host communication;
The intelligent terminal is connect by the internet with the default second service main-machine communication.
Optionally, the intelligent terminal is mobile phone, computer, PDA.
The invention adopts the above technical scheme, and controller and the first radio-frequency module, controller are arranged on vehicle to be led to Radio-frequency module is crossed to connect with preset first serial communication.That is: controller can by radio-frequency module with in company Network Communication connection.So set, being carried out data transmission by vehicle data transmission equipment provided by the present application, company Intranet is not necessarily to Internet is connected, the risk that company Intranet is invaded is reduced, improves the safety of company Intranet.
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, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the vehicle data transmission equipment that one embodiment of the invention provides.
Fig. 2 be another embodiment of the present invention provides vehicle data transmission equipment structural schematic diagram.
Fig. 3 be another embodiment of the present invention provides vehicle structural schematic diagram.
Fig. 4 is the structural schematic diagram for the data transmission system that one embodiment of the invention provides.
Fig. 5 be another embodiment of the present invention provides data transmission system structural schematic diagram.
Appended drawing reference:
1- vehicle, 11- vehicle body, 12- vehicle data transmission device, 121- controller, 1211- storage unit, 122- First communication module, 123- locating module, 124- second communication module, 21- first service host, 22- second service host, 3- Intelligent terminal.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
Fig. 1 is the structural schematic diagram for the vehicle data transmission equipment that one embodiment of the invention provides.Referring to Fig.1, the application The vehicle data transmission equipment of offer, comprising: controller 121, for being fixed at vehicle;Connected to the controller first Communication module 122;First communication module 122 is the first radio-frequency module;Controller 121, be also used to by the first radio-frequency module with Preset first serial communication connection.
The invention adopts the above technical scheme, and controller and the first radio-frequency module, controller are arranged on vehicle to be led to Radio-frequency module is crossed to connect with preset first serial communication.That is: controller can by radio-frequency module with in company Network Communication connection.So set, being carried out data transmission by vehicle data transmission equipment provided by the present application, company Intranet is not necessarily to Internet is connected, the risk that company Intranet is invaded is reduced, improves the safety of company Intranet.
Wherein, the first communication terminal has radio-frequency antenna, can receive the information of the first radio-frequency module transmission.
Fig. 2 be another embodiment of the present invention provides vehicle data transmission equipment structural schematic diagram.Referring to Fig. 2, this Shen The vehicle data transmission equipment that please be provide, further includes: locating module 123 connected to the controller, locating module 123 is for being arranged On vehicle, and obtain the location information of vehicle;
Locating module is exactly to be integrated with RF radio frequency chip, baseband chip and core CPU, and the group plus associated peripheral circuits At an integrated circuit.Further, locating module can be Beidou positioning module or GPS module.Beidou positioning module is One positioned using Chinese Beidou satellite navigation system (BeiDou Navigation Satellite System, BDS) Kind locating module, has high sensitivity, advantage low in energy consumption.Wherein, Chinese Beidou satellite navigation system is that China voluntarily develops Global Satellite Navigation System;GPS mould group is the locating module that another manufacturer provides, and equally has high sensitivity, low in energy consumption Advantage.
Further, controller 121 includes: storage unit 1211;Storage unit 1211, for storing the basic letter of vehicle Breath and mission bit stream.So set, when vehicle data transmission equipment is connect with default first communication terminal turn-off data, control Information to be sent can be stored in storage unit 1211 by device 121, when vehicle data transmission equipment communicates eventually with default first When data connection is restored at end, controller 121 can send to preset first communication terminal and be stored in the storage of storage unit 1211 Information.Through the above scheme, vehicle data transmission equipment can be effectively avoided to connect with default first communication terminal unstable When loss of data the case where.
In practical application, the data information of vehicle will not only be sent to company Intranet, it is also necessary to some connection internets Equipment its transmission.Following scheme: vehicle data transmission equipment is inventors herein proposed to solve the above-mentioned problems further include: respectively The second communication module being connect with the controller and locating module;The controller is also used to through the second communication mould Block is communicatively coupled with internet;The locating module, what is be used for is led to by the second communication module with internet Letter connection.Wherein, second communication module connects internet by preset decoding device.Locating module can pass through the second communication Module is to internet upload location information.Controller can upload the essential information of vehicle by second communication module to internet And mission bit stream.It is communicated to connect so set, vehicle data transmission equipment can be established with internet.Wherein, the second communication mould Block can be Internet of Things card module.Further, vehicle data transmission equipment is communicatively coupled by internet and other equipment.
Wherein, vehicle data transmission equipment can send (this to preset first communication terminal by the first radio-frequency module Default first communication terminal at place can be company Intranet);Information can be uploaded to internet by the second communication terminal.
In practical application, in order to avoid the behaviors such as collision damage vehicle data transmission equipment, inventors herein propose such as lower section Case: vehicle data transmission equipment further include: box body;Controller and first communication module are arranged in tray interior.Further vehicle Other structures easy to damage also can be set in tray interior in data transmission set.So set, box body can be effective Protect vehicle data transmission equipment in ground.
Fig. 3 be another embodiment of the present invention provides vehicle structural schematic diagram.Referring to Fig. 3, the application provides a kind of vehicle , comprising: vehicle body 11 and the vehicle data transmission equipment 12 being arranged on vehicle body;
Wherein vehicle data transmission equipment is vehicle data transmission equipment provided by the present application.So set, being set on vehicle It is equipped with vehicle data transmission equipment, vehicle data transmission equipment includes controller and the first radio-frequency module, and controller can pass through Radio-frequency module is connect with preset first serial communication.That is: controller can pass through radio-frequency module and and company Intranet Communication connection.Being carried out data transmission by vehicle data transmission equipment provided by the present application, company Intranet is not necessarily to connect internet, The risk that company Intranet is invaded is reduced, the safety of company Intranet is improved.
Vehicle data transmission equipment can be any one vehicle provided by the present application in certain vehicle provided by the present application Data transmission set.Specific beneficial effect please join open the statement in above-mentioned vehicle data transmission equipment, just not herein one by one It repeats.
Fig. 4 is the structural schematic diagram for the data transmission system that one embodiment of the invention provides.Referring to Fig. 4, the application is also mentioned For a kind of data transmission system characterized by comprising at least one vehicle 1 just has the first service master of radio communication function Machine 21;Vehicle is vehicle provided by the present application.The controller passes through first radio-frequency module and the first service host It is communicatively coupled.So set, being provided with vehicle data transmission equipment on vehicle, vehicle data transmission equipment includes controller With the first radio-frequency module, controller can be connect by radio-frequency module with preset first serial communication.That is: controller It can be communicated to connect by radio-frequency module with first service host 21.By vehicle data transmission equipment provided by the present application into The transmission of row data, first service host 21 reduce the risk that service host is invaded, improve service host without connecting internet Safety.
Fig. 5 be another embodiment of the present invention provides data transmission system structural schematic diagram.As shown in figure 5, the application The data transmission system of offer, data transmission system further include: default second service host 22, intelligent terminal 3;The control Device is also used to through the second communication module 124 and default 22 communication connection of second service host;The intelligent terminal 3 are communicated to connect by the internet and the default second service host 22.Further, intelligent terminal 3 can for mobile phone, The equipment such as computer, PAD.So set, intelligent terminal can be carried out by internet and the controller of vehicle data transmission equipment Communication connection, obtains location information, mission bit stream of vehicle etc..
Specifically, controller can be, but not limited to as 51 single-chip microcontrollers.51 single-chip microcontrollers are a kind of existing chips, can be completed The generation of some instructions and the control work of some electric appliances.In this application, 51 single-chip microcontrollers are mainly responsible for communication module and send Data information.
About the device and equipment in above-described embodiment, wherein modules and component have executed the concrete mode of operation It is described in detail in the embodiment of the method, no detailed explanation will be given here.It is understood that above-mentioned Same or similar part can mutually refer in each embodiment, and unspecified content may refer to it in some embodiments The same or similar content in his embodiment.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple " Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction executing method with storage Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (10)

1. a kind of vehicle data transmission equipment characterized by comprising
Controller, for being fixed at vehicle;
The first communication module being connect with the controller;The first communication module is the first radio-frequency module;
The controller is also used to connect by first radio-frequency module with preset first serial communication.
2. equipment according to claim 1, which is characterized in that further include:
The locating module connecting with the controller, the locating module obtain vehicle for being fixed at vehicle Location information.
3. equipment according to claim 2, which is characterized in that the locating module is Beidou positioning module or GPS module.
4. equipment according to claim 1, which is characterized in that the controller includes: storage unit;
The storage unit, for storing the basic information and mission bit stream of the vehicle;
The controller is specifically used for sending the basis letter to preset first communication terminal by first radio-frequency module Breath and mission bit stream.
5. equipment according to claim 2, which is characterized in that further include: connect respectively with the controller and locating module The second communication module connect;
The controller is also used to be communicatively coupled by the second communication module with internet;
The locating module, what is be used for is communicatively coupled by the second communication module with internet.
6. equipment according to claim 1, which is characterized in that further include: box body;
The controller and the first communication module are arranged in the tray interior.
7. a kind of vehicle characterized by comprising vehicle body and the vehicle data transmission being arranged on the vehicle body Equipment;
The vehicle data transmission equipment is vehicle data transmission equipment as described in any one of claims 1 to 6.
8. a kind of data transmission system characterized by comprising at least one vehicle just has the first clothes of radio communication function Business host;
The vehicle is vehicle as claimed in claim 7.
The controller is communicatively coupled by first radio-frequency module and the first service host.
9. data transmission system according to claim 8, which is characterized in that when the vehicle data transmission equipment is as weighed Benefit require 5 described in vehicle data transmission equipment when, the data transmission system further include:
Default second service host, intelligent terminal;
The controller is also used to connect by the second communication module with the default second service host communication;
The intelligent terminal is connect by the internet with the default second service main-machine communication.
10. data transmission system according to claim 9, which is characterized in that the intelligent terminal is mobile phone or computer.
CN201811205799.2A 2018-10-18 2018-10-18 Vehicle data transmission equipment, vehicle and data transmission system Pending CN109451440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811205799.2A CN109451440A (en) 2018-10-18 2018-10-18 Vehicle data transmission equipment, vehicle and data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811205799.2A CN109451440A (en) 2018-10-18 2018-10-18 Vehicle data transmission equipment, vehicle and data transmission system

Publications (1)

Publication Number Publication Date
CN109451440A true CN109451440A (en) 2019-03-08

Family

ID=65546634

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811205799.2A Pending CN109451440A (en) 2018-10-18 2018-10-18 Vehicle data transmission equipment, vehicle and data transmission system

Country Status (1)

Country Link
CN (1) CN109451440A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110033221A (en) * 2019-04-15 2019-07-19 陕西中矿科技有限公司 A kind of bulk supply tariff supply chain SaaS platform based on intelligence fortune box
CN110830576A (en) * 2019-11-07 2020-02-21 中国第一汽车股份有限公司 Vehicle-mounted air conditioner reservation method, device, equipment and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204142959U (en) * 2014-09-17 2015-02-04 深圳市方格精密器件有限公司 The mobile unit of a kind of 4G communication, multiple satnav
CN205384745U (en) * 2016-01-26 2016-07-13 北京招通致晟科技有限公司 Airport station level ground dispatch system and on -vehicle positioner
WO2018028145A1 (en) * 2016-08-08 2018-02-15 深圳市元征科技股份有限公司 Vehicle control system
CN208798241U (en) * 2018-10-18 2019-04-26 陕西中矿科技有限公司 Vehicle data transmission equipment, vehicle and data transmission system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204142959U (en) * 2014-09-17 2015-02-04 深圳市方格精密器件有限公司 The mobile unit of a kind of 4G communication, multiple satnav
CN205384745U (en) * 2016-01-26 2016-07-13 北京招通致晟科技有限公司 Airport station level ground dispatch system and on -vehicle positioner
WO2018028145A1 (en) * 2016-08-08 2018-02-15 深圳市元征科技股份有限公司 Vehicle control system
CN208798241U (en) * 2018-10-18 2019-04-26 陕西中矿科技有限公司 Vehicle data transmission equipment, vehicle and data transmission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110033221A (en) * 2019-04-15 2019-07-19 陕西中矿科技有限公司 A kind of bulk supply tariff supply chain SaaS platform based on intelligence fortune box
CN110830576A (en) * 2019-11-07 2020-02-21 中国第一汽车股份有限公司 Vehicle-mounted air conditioner reservation method, device, equipment and storage medium

Similar Documents

Publication Publication Date Title
SG128566A1 (en) Wireless local area network communications module and integrated chip package
CN105099527A (en) Passive Near Field Communication (NFC) communication interface having independent energy receiving antenna
CN204836605U (en) Thing networking radio network gateway
CN105894081A (en) Passive double-frequency electronic label chip and electronic label
CN109451440A (en) Vehicle data transmission equipment, vehicle and data transmission system
CN100576770C (en) The control device of array antenna
CN105320981A (en) Bluetooth radio frequency identification active RFID tag
CN109353378A (en) A kind of vehicle-mounted monitoring information transmission device of railway and its implementation
CN208798241U (en) Vehicle data transmission equipment, vehicle and data transmission system
CN104217242A (en) Active 13.56MHz RFID (Radio Frequency Identification Device)
CN107657195A (en) A kind of three-in-one control system based on NFC, RFID and bluetooth
CN105573190A (en) Wave beam control system
CN102256018B (en) Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof
CN201436790U (en) GPRS wireless communication system of vehicular multimedia interaction device
CN104838592B (en) The RFIC configuration being lost for realizing the antenna trace of reduction
CN102446283A (en) Mobile communication terminal integrated with radio frequency identification device (RFID) function
CN102062863A (en) Satellite navigation RF (Radio-Frequency) module
CN203366322U (en) Signal switching device
CN203086471U (en) Network NFC (Near Field Communication) equipment
CN201508486U (en) Slave for welding machine system based on wireless sensor network
CN206506524U (en) A kind of signal sending and receiving equipment
CN201936329U (en) UHF (UltraHigh Frequency) RFID (Radio Frequency Identification) antenna demultiplexer
CN201323570Y (en) Separate mobile communication terminal and radio frequency device and main body therein
CN107070481A (en) A kind of signal sending and receiving equipment
CN202512486U (en) RS232 serial port data acquisition card

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination