CN201160276Y - Public transport vehicle information transmission equipment with wireless radio frequency recognition function - Google Patents
Public transport vehicle information transmission equipment with wireless radio frequency recognition function Download PDFInfo
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- CN201160276Y CN201160276Y CNU2007201989721U CN200720198972U CN201160276Y CN 201160276 Y CN201160276 Y CN 201160276Y CN U2007201989721 U CNU2007201989721 U CN U2007201989721U CN 200720198972 U CN200720198972 U CN 200720198972U CN 201160276 Y CN201160276 Y CN 201160276Y
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Abstract
The utility model discloses an information transmission equipment of public transport with radio frequency identification function, which is jointly formed into an intelligent information acquisition terminal with a vehicle information acquisition equipment, and can implement information communication with a main communication station. The utility model is characterized in that: the information transmission equipment comprises an antenna, an antenna selector switch, a detection module, a receiving module, a transmitter module and a control module; wherein the input end of the antenna selector switch is connected with output ends of the control module and the transmitter module; and the output end of the antenna selector switch is connected with the input ends of the detection module and the receiving module; the output ends of the detection module and the receiving module are connected with the input end of the control module respectively; the input end of the control module is connected with the output end of the vehicle information acquisition equipment; the output end of the control module is connected with the input end of the transmitter module as well. The utility model has the advantages that: the radio frequency identification technology can be used in identifying vehicle number, information and data transmission; the application is simple and reliable, and the cost is low; thereby the information transmission equipment can be generally promoted in the intelligent information acquisition terminal of public transport.
Description
Technical field
The utility model relates to the public transit vehicle information transmission equipment, relates in particular to a kind of public transit vehicle information transmission equipment with wireless radio frequency identification function that adopts wireless radio-frequency.
Background technology
Urban public transport is one of the important basic function in city and logo image, is the important component part of urban transportation system.For accelerating development the public transport cause, give full play to information-based advantage, at present, the public passenger transport information system is being built energetically with perfect, the public transport information acquisition intelligent terminal is installed on the public bus network commerial vehicle, is realized public transport information acquisition and information system management.
Common public transit vehicle information gathering intelligent terminal adopts data information acquisition hard-disc storage working method more, terminal is stored in the terminal hard disk by certain data format after with the information needed collection, treat to download data in the information processing data storehouse by the data acquisition personnel behind the certain hour, need timing to decide the people in actual the use and carry out transfer of data work, it is numerous and diverse to work, workload is big, the management expectancy height.In some high-grade public transit vehicle information gathering intelligent terminal, have information transmission equipment, but all adopt GPRS or wireless local net mode to communicate, equipment complexity, operation cost height.In some public transit vehicle information gathering intelligent terminal, also adopt REID, but only this technology has been applied to the numbering identification of vehicle, do not had the information data transmission function.
Along with the bus information management system builds with perfect, public transit vehicle information gathering intelligent terminal is had higher requirement, require the information gathering terminal to have the automatic information transfer function, and use simple and reliablely, use cost is low.At present, common public transit vehicle information gathering intelligent terminal can't satisfy this class instructions for use, and the large-scale promotion that has influenced public transit vehicle information gathering intelligent terminal is used.
Summary of the invention
Shortcoming at existing common public transit vehicle information gathering intelligent terminal, the purpose of this utility model provides a kind of public transit vehicle information transmission equipment with wireless radio frequency identification function, automatically transmit the information that public transit vehicle is gathered, a plurality of public transit vehicle information transmission equipments by with the writing to each other of communication main website, can give the communication main website with the message transmission of vehicle separately.
For realizing above-mentioned target, the utility model adopts following technical scheme: the public transit vehicle information transmission equipment with wireless radio frequency identification function, form public transit vehicle information gathering intelligent terminal jointly with collecting vehicle information equipment, carry out information communication with the communication main website; Be characterized in that described public transit vehicle information transmission equipment with wireless radio frequency identification function comprises antenna, antenna selection switch, detection module, receiver module, transmitter module and control module;
Described antenna selection switch is used for information transmission equipment is switched in dormancy and operating state; The output of this antenna selection switch input link control module and transmitter module, its output connects the input of detection module and receiver module;
Described detection module is used for detection and exports a direct current level to control module; The information that described receiver module is accepted to send from the communication main website by selector switch is transferred to control module again; The output of described detection module and receiver module is connected with the input of control module respectively;
Described control module is used to control selector switch and switches to emission state, to communication main website emission information, and sends letter in information and finishes and control selector switch again after becoming and make information transmission equipment be in accepting state; The input of this control module is connected with the output of collecting vehicle information equipment, and the output of this control module also is connected with the input of transmitter module.
Above-mentioned public transit vehicle information transmission equipment with wireless radio frequency identification function, wherein, described control module comprises a level triggers unit, an information encoding-decoding unit, a protocol processing unit;
Described level triggers unit is used to accept the DC level of detection module output, and the input of this level triggers unit is connected with the output of detection module, and its output is connected with the input of protocol processing unit;
Described protocol processing unit is used for the control information coding unit and sends identification information, and this protocol processing unit is connected with the information encoding-decoding unit is two-way;
Described information encoding-decoding unit is used for by transmitter module to the communication main station transmit its identification, the input of this information encoding-decoding unit is connected with the output of receiver module, and the output of this information encoding-decoding unit also is connected with the input of transmitter module and antenna selection switch.
Above-mentioned public transit vehicle information transmission equipment with wireless radio frequency identification function, wherein, the communication mode that described public transit vehicle information gathering intelligent terminal and communication main website carry out information communication is the time-division multiplex method, occupies separately time slot method and is implemented in same channel multiple signals and carries out a plurality of device datas transmission by time frame being divided into some time slots and Ge Lu signal.
Above-mentioned public transit vehicle information transmission equipment with wireless radio frequency identification function, wherein, described level triggers unit adopts switching circuit to constitute.
Above-mentioned public transit vehicle information transmission equipment with wireless radio frequency identification function, wherein, described information encoding-decoding unit adopts the programmable gate array circuit to constitute.
Because the utility model has adopted above technical scheme, can adopt REID in public transit vehicle information gathering intelligent terminal, and this technology is applied to the numbering identification of vehicle, has the function of information data transmission.And, can use in the large-scale promotion of public transit vehicle information gathering intelligent terminal because application is simple and reliable, and use cost is low.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is that the public transit vehicle information transmission equipment that the utlity model has wireless radio frequency identification function is installed in the vehicle network diagram with master station communication.
Fig. 2 is the electrical block diagram that the utlity model has the public transit vehicle information transmission equipment of wireless radio frequency identification function.
Fig. 3 the utlity model has the public transit vehicle information transmission equipment of wireless radio frequency identification function and the workflow diagram of communication master station communication.
Embodiment
See also Fig. 1, Fig. 2, Fig. 1 is that the public transit vehicle information transmission equipment that the utlity model has wireless radio frequency identification function is installed in the vehicle network diagram with master station communication.Fig. 2 is the electrical block diagram that the utlity model has the public transit vehicle information transmission equipment of wireless radio frequency identification function.The utlity model has the public transit vehicle information transmission equipment 100 and the collecting vehicle information equipment 200 common public transit vehicle information gathering intelligent terminals of forming of wireless radio frequency identification function, be installed in the vehicle 300, carry out information communication with communication main website 400.
Please continue to consult Fig. 2, described public transit vehicle information transmission equipment 100 with wireless radio frequency identification function comprises antenna 1, antenna selection switch 2, detection module 3, receiver module 4, transmitter module 5 and control module 6.Described antenna selection switch 2 is used for information transmission equipment is switched between dormancy and operating state; The input link control module 6 of this antenna selection switch 2 and the output of transmitter module 5, the output of this antenna selection switch 2 connects the input of detection module 3 and receiver module 4; Described detection module 3 is used for detection and exports a direct current level to control module 6, and the output of this detection module 3 is connected with the input of control module 6; The information that described receiver module 4 is accepted to send from the communication main website by selector switch 2 is transferred to control module 6 again, and the output of this receiver module 4 is connected with the input of control module 6; The input of described control module 6 is connected with the output of collecting vehicle information equipment 200, the output of this control module 6 also is connected with the input of transmitter module 5, this control module 6 is used to control selector switch 2 and switches to emission state, to communication main website 400 emission information, and send letter in information and finish and control selector switch 2 again after becoming and make information transmission equipment be in accepting state.
Please continue to consult Fig. 2.The utlity model has in the public transit vehicle information transmission equipment of wireless radio frequency identification function, described control module 6 comprises a level triggers unit 61, an information encoding-decoding unit 62, a protocol processing unit 63; Described level triggers unit 61 is used to accept the DC level of detection module output, and the input of this level triggers unit is connected with the output of detection module, and its output is connected with the input of protocol processing unit; Described protocol processing unit 63 is used for the control information coding unit and sends identification information, and this protocol processing unit is connected with the information encoding-decoding unit is two-way; Described information encoding-decoding unit 62 is used for by transmitter module to the communication main station transmit its identification, the input of this information encoding-decoding unit also is connected with the output of receiver module, and the output of this information encoding-decoding unit is connected with the input of transmitter module and antenna selection switch.In the present embodiment, described level triggers unit adopts switching circuit to constitute.Described information encoding-decoding unit adopts the programmable gate array circuit to constitute.
The utlity model has in the public transit vehicle information transmission equipment of wireless radio frequency identification function,, have a plurality of information transmission equipments owing in communication master station communication scope, have many public transit vehicles sometimes.In communication master station communication scope, a plurality of information transmission equipments send data to it simultaneously, for guaranteeing when a plurality of information transmission equipments are given a communication main website transfer of data simultaneously, can not occur interfering with each other, adopt the anti-collision communication means of radio frequency identification special use to be overcome, the utility model adopts time-division multiplex method (TDMA), occupies separately time slot method and is implemented in same channel multiple signals and carries out a plurality of device datas transmission by time frame being divided into some time slots and Ge Lu signal.
Operation principle of the present utility model is:
When information transmission equipment was not in the message transmission state, control module was in the dormancy operating state, and selector switch makes information transmission equipment be in the reception operating state.When receiving the continuous wave signal post-detection that communication main website antenna sends, information transmission equipment detection module exports a direct current level, triggering was started working control module after level triggers unit in this DC level input control module, level triggers unit received this DC level.After the control module operate as normal, the control selector switch switches to emission state, the control module protocol processing unit is sent identification information by the information coding unit, identification information is launched through transmitter module, export to communication main website antenna and receive behind selector switch, antenna, the control module protocol processing unit was controlled selector switch again and is made information transmission equipment be in accepting state after information transmission equipment information transmission information was finished.The confirmation transmission equipment was started working after the communication main website received this identification information.The communication main website sends the transfer of data requirement to the vehicle termination information transmission equipment by the communication protocol of design, protocol processing unit in the information transmission equipment control module is taken out the information of vehicles of being gathered from collecting vehicle information equipment after receiving transmission request message,, after sending, transmitter module, selector switch, antenna receive through the coding packing of information coding unit by communication main website antenna.Communication main website and information transmission equipment are finally finished whole vehicle Information Monitoring transmission course after finishing repeatedly communication process (communication handshake, transfer of data, data validation etc.) by the communication protocol requirement.
See also Fig. 3, this is to the utlity model has the public transit vehicle information transmission equipment of wireless radio frequency identification function and the workflow schematic diagram of communication master station communication, being clear and describing, is the embodiment of example with two information transmission equipments (information transmission equipment 1 and information transmission equipment 2) shown in the figure.In the communication, the communication main website sends broadcasting instructions, and each information transmission equipment sends return instruction by the agreement time slot.After but the communication main website has the sequence number inventory of all communication equipments, select an information transmission equipment to carry out transfer of data communication.After finishing, transfer of data communicates with other information transmission equipments successively.
The public transit vehicle information transmission equipment that the utlity model has wireless radio frequency identification function can carry out the public transit vehicle message transmission automatically, and uses simple and reliablely, and use cost is low, has better practicability and economy.
Claims (4)
1, the public transit vehicle information transmission equipment that has wireless radio frequency identification function is formed public transit vehicle information gathering intelligent terminal jointly with collecting vehicle information equipment, carries out information communication with the communication main website; It is characterized in that described public transit vehicle information transmission equipment with wireless radio frequency identification function comprises antenna, antenna selection switch, detection module, receiver module, transmitter module and control module;
Described antenna selection switch is used for information transmission equipment is switched in dormancy and operating state; The output of this antenna selection switch input link control module and transmitter module, its output connects the input of detection module and receiver module;
Described detection module is used for detection and exports a direct current level to control module; The information that described receiver module is accepted to send from the communication main website by selector switch is transferred to control module again; The output of described detection module and receiver module is connected with the input of control module respectively;
Described control module is used to control selector switch and switches to emission state, to communication main website emission information, and sends letter in information and finishes and control selector switch again after becoming and make information transmission equipment be in accepting state; The input of this control module is connected with the output of collecting vehicle information equipment, and the output of this control module also is connected with the input of transmitter module.
2, the public transit vehicle information transmission equipment with wireless radio frequency identification function according to claim 1 is characterized in that, described control module comprises a level triggers unit, an information encoding-decoding unit, a protocol processing unit;
Described level triggers unit is used to accept the DC level of detection module output, and the input of this level triggers unit is connected with the output of detection module, and its output is connected with the input of protocol processing unit;
Described protocol processing unit is used for the control information coding unit and sends identification information, and this protocol processing unit is connected with the information encoding-decoding unit is two-way;
Described information encoding-decoding unit is used for by transmitter module to the communication main station transmit its identification, the input of this information encoding-decoding unit is connected with the output of receiver module, and the output of this information encoding-decoding unit also is connected with the input of transmitter module and antenna selection switch.
3, the public transit vehicle information transmission equipment with wireless radio frequency identification function according to claim 2 is characterized in that, described level triggers unit adopts switching circuit to constitute.
4, the public transit vehicle information transmission equipment with wireless radio frequency identification function according to claim 2 is characterized in that, described information encoding-decoding unit adopts the programmable gate array circuit to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201989721U CN201160276Y (en) | 2007-12-06 | 2007-12-06 | Public transport vehicle information transmission equipment with wireless radio frequency recognition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201989721U CN201160276Y (en) | 2007-12-06 | 2007-12-06 | Public transport vehicle information transmission equipment with wireless radio frequency recognition function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201160276Y true CN201160276Y (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201989721U Expired - Fee Related CN201160276Y (en) | 2007-12-06 | 2007-12-06 | Public transport vehicle information transmission equipment with wireless radio frequency recognition function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201160276Y (en) |
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2007
- 2007-12-06 CN CNU2007201989721U patent/CN201160276Y/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20121206 |