CN105513334A - Laser-relay-communication-based vehicle team voice command contact system - Google Patents
Laser-relay-communication-based vehicle team voice command contact system Download PDFInfo
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- CN105513334A CN105513334A CN201510807874.2A CN201510807874A CN105513334A CN 105513334 A CN105513334 A CN 105513334A CN 201510807874 A CN201510807874 A CN 201510807874A CN 105513334 A CN105513334 A CN 105513334A
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- 238000004891 communication Methods 0.000 title claims abstract description 33
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096791—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Optical Communication System (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The present invention discloses a laser-relay-communication-based vehicle team voice command contact system comprising an in-vehicle control unit and infrared receiving and transmitting units, the infrared receiving and transmitting units are respectively arranged on front and rear ends outside a vehicle, by use of the in-vehicle control unit, a voice command instruction to be transmitted is encoded into a binary code, and the binary code is respectively transmitted and received by the infrared receiving and transmitting units. After the binary code is received and decoded by adjacent vehicles, a current operating state and a current instruction are displayed in real-time, a voice synthesis chip is used for restoring the binary code into an original voice command, a voice broadcast is accompanied in real-time, meanwhile the infrared receiving and transmitting units on the front and rear ends of each vehicle respectively transmit the voice command instruction to be transmitted to other vehicles, after the voice command instruction to be transmitted is received by other vehicles, the above steps are repeated, the instruction is transmitted like relaying until all vehicles receive the voice command instruction. A communication distance is expanded in relay communication form, and at a final receiving end, the voice synthesis chip is used for broadcasting the voice command instruction to achieve the goal of transmitting of the voice command instruction by laser relay communication.
Description
1, technical field
At height, secret field fleet moves occasion, the sound instruction that will transmit is weaved into binary code, binary code is transmitted by the transmitter and receiver circuit of infrared laser, at receiving end, binary code is reduced into original sound instruction, and report sound instruction by chipspeech, meanwhile, by instruction is passed to Adjacent vehicles, expand communication distance with relay communication form, transmit voice command and contact object to realize laser relay communication.
2, background technology
Requiring that high secret field fleet moves occasion, because fleet is in travel condition, in fleet, vehicle location can change at any time, and how the commander sent from commander's vehicle and traffic order are correctly communicated to each vehicle is a problem that must solve.Wire communication mode can not be used under severe field environment, adopt radio communication system, ensure and the reliability that data are transmitted just must improve the emissive power in radio station, especially under night radio listening silence state, the probability be found will inevitably be increased.Infrared laser communication is not easily found by people and intercepts and captures, good confidentiality; Infrared laser communication does not use control by wireless frequency, not by nature and artificial interference, and strong interference immunity; Infrared laser communicator volume is little, and structure is simple, cheap.So, can not Wireline set up, under avoiding be found situation under radio listening silence state night again, use infrared communication to be more satisfactory selection.
Infrared laser communication realizes data transmit-receive by the mutual conversion between data electric pulse and infrared light pulse.Utilize the carrier of infrared ray as information of 940nm near-infrared band, binary signal is modulated to some pulse signals, infrarede emitting diode is finally driven to launch infrared signal, after receiving end receives infrared pulse signal, infrared signal is converted to electric signal, after the process such as amplification, filtering, give demodulator circuit again and carry out demodulation, export after being reduced to binary digital signal.Voice communication is the mankind's the most direct the most general communication modes, and especially wave at middle finger of advancing and get in touch with, received speech signal instruction is most convenient.But because infrared laser communication can not direct voice signal, coding and the chipspeech that must solve sound instruction report problem.In addition, because the permeability of infrared ray to nontransparent object is poor, it must communicate in horizon grange, causes limited transmission distance system, and how improving infrared laser communication distance is the technical barrier that another one will solve.
3, summary of the invention
The present invention adopts infrared laser relay communication as the liaison method between fleet, realize order command assigning in full fleet, and the request command that each car sends also is sent by the forwarding transmission between every two cars to command car by relay mode.In order command transmittance process, display current operating state and present instruction in real time, utilizes speech synthesis technique in real time with voice broadcast simultaneously.Contact between fleet is refile successively, instruction is sent by the control module of command car, the instruction that will send is forwarded again respectively to other vehicle by the infrared receiving/transmission unit of the rear and front end of each car, after other vehicle receives instruction, repeat above-mentioned steps again, instruction is transmitted, until all vehicles can receive as relay.
Consider more than one of fleet's possibility, will be numbered fleet, in instruction, comprise the information that the fleets such as fleet's identification code identify.For each fleet, can be divided into command car and non-command car, but synchronization command car only has one, this environment residing for Yao Shi fleet is specified, and will require that command car can set at any time like this when designing.
Containing 32 bit codes in one frame data of infrared emission, comprise 28 user codes, the radix-minus-one complement of 8 bit data codes and 8 bit data codes and the synchronization bit of last position.User code is also identification code, and it is used to refer to the kind of infrared communication system, to distinguish other communication system, prevents the misoperation of each infrared communication system.Numeric data code is also order code, it represent corresponding controlling functions, can complete various feature operation in receiver according to the numerical value of function code. and data radix-minus-one complement is the radix-minus-one complement of numeric data code, whether produces mistake to proofread data in transmitting procedure at receiving end.In the present invention, user code is designed to fleet's coding, vehicle code and command car and non-command car tag number, and numeric data code is then the coding of the phonetic order of commander and the contact that will transmit.
Native system is made up of three parts, be namely be positioned at car control module and be positioned at car front and back ends infrared receiving/transmission unit.Control module in car is the core of whole system, is decided reception or the transmission of order by it.After the order of control module sends, the infrared receiving/transmission unit of the front and back ends of car can receive this order, at this moment this element vehicle that just will enter to it sends order, then other vehicle more successively relay forward the order received, complete the work of whole contacted system with this.
In car, control module is the most important parts of whole system, and it is primarily of auxiliary circuit compositions such as single-chip microcomputer, voice circuit module of electric, LCD MODULE, input through keyboard circuit and microcontroller power supply, clock and resets.Its system chart is as shown in Figure 1:
Control module in car with single-chip microcomputer W77E58 for control device, the circuit that the speech chip ISD1420 that the recording playback of voice is produced by ISD company forms realizes, display device is that LM12232 LCD MODULE completes, transport condition residing for display car amount and order, these three parts in addition other auxiliary circuit form the control module in car.Order records all in advance, these demanded storage are in pre-set interval, the input and sending of order is all completed by button, keyboard is made up of 16 keys of 4 × 4, when after input through keyboard order, show current order and the state of car by LCD MODULE, simultaneously with voice message, operating personnel can easily via the prompting of voice current determine current order whether want send, finally decide the transmission of order by acknowledgement key.
Order transmission be by single-chip microcomputer between serial communication realize, after transceiver module receives order, will to other car amount with the form forward command of infrared communication, each Transmit-Receive Unit can send same order continuously in 30 seconds, sent once, until the rolling stock of a fleet all have received the order that command car is sent every one second.
Be positioned at the infrared transceiver module block diagram of car front-end and back-end as shown in Figure 2.
4, accompanying drawing explanation
Fig. 1 is control module the general frame in car;
Fig. 2 is the infrared transceiver module block diagram of car front-end and back-end.
5, embodiment
(1) infrared transmitting circuit
In infrared data emission process, because maximum average current when sending signal needs tens mA (corresponding mW level emissive power), so go to drive infrared light emitting diode after needing triode to amplify, data are exported from P3 mouth the 6th pin (P3.7) by data.T0 timing produces 38KHz carrier signal.
(2) infrared receiving circuit
LT0038 is the small-sized integrated Receiver received for infrared remote control, integrated infrared reception, amplification, demodulation, without any need for outward element, just can complete from infrared receiver to exporting all working with Transistor-Transistor Logic level signal compatibility, and volume is the same with common plastic packaging triode size, it is suitable for various infra-red remote control and Infrared data transmission, centre frequency 38.0kHz.Receiver externally only has 3 pins: OUT, GND, Vcc and interface microcontroller very convenient, 1 pin output of pulse signal, 2 pin GND are connected to the ground wire of system, 3 pin connect power supply (+Vcc), receive the serial code after demodulation, corresponding 00H is advancement commands, and 01H is for retreating instruction, 02H is left-hand rotation instruction, and 03H is right-hand rotation instruction.Thus control LCD, speech chip program function can be gone to.
Infrared receiver LT0038 chip converts the steering order pulse of certain format to the data that transmitting terminal sends, and completes ultrared reception, amplification, demodulation, and is reduced into the pulse signal launching form.Finally by decoding, pulse signal is converted to data, thus realize the transmission of phonetic order.
(3) LCD liquid crystal display circuit
The LCD MODULE of LM12232, it is made up of the LCDs of 122 × 32 and 2 pieces of SED1520 driving chip.This display module provides the direct interface with single-chip microcomputer, and all Presentation Functions are realized by controller instruction.By single+5V Power supply, data mode has 4 or 8 two kinds selections.Inside there is the character library of display 96 ascii characters and 92 special characters.LM12232 LCD MODULE is directly connected with the P0 mouth of single-chip microcomputer.Use P0 as data line in the design, E1, E2 receive P3.3, P3.7 respectively, and resetting pin meets P1.3.R/W is connected to P1.4, if need backlight effect, then 17,18 pin should be received on 5V VDD-to-VSS respectively.
(4) speech chip interface circuit
ISD1400 series monolithic audio record circuit, the whole basic function circuit in sheet needed for the high-quality voice recording-reproducing system such as clock oscillator, 128K byte E2PROM (the erasable read-only memory of electrically programmable), microphony amplifier, automatic gain control circuit, anti-interference filter, differential power amplifier.Address input end A0 ~ A7 valid value range is 00000000 ~ 10011111, and this shows to be divided at most 160 memory cells, recording playback can reach 160 sections of voice messagings.Determined the start address of every section of voice by A0 ~ A7, and start address directly reflects the initial time of recording playback.ISD1420 sectional stores 20 seconds voice messagings, and calculate by readable 3 Chinese characters p.s., within 20 seconds, sectional stores more than 609 phonetic Chinese character.In ISD1420, segmentation, stored in the voice such as " advance ", " retrogressing ", " left-hand rotation ", " right-hand rotation ", presses REC key in advance, starts recording after REC pin level step-down, until unclamp button level is drawn high or chip record is full time terminate.After End of Tape, recording pointer shifts to next effective address automatically.Under the control of single-chip microcomputer, after infrared decoding, according to the address of pre-recorded speech, corresponding voice of giving an order " advance ", " retrogressing ", " left-hand rotation ", " right-hand rotation " just can be made into voice command system, i.e. the vehicle-mounted contacted system of " sociable ".In the present invention, speech chip is operated in directly address pattern, and namely A7, A6 have 1 to be 0.A0, A1 that P1.0, P1.1 of single-chip microcomputer receive speech chip respectively do position, addressing location and use, and A2 ~ A7 is not with direct ground connection.Loop playback PE and stopping PL meeting P3.6 and P3.7 respectively.
Claims (4)
1., based on a fleet voice commander contacted system for laser relay communication, it is characterized in that:
Adopt infrared laser relay communication as the liaison method between fleet, realize order command assigning in full fleet by the forwarding transmission between every two cars, and the request command that each car sends also is sent to command car by relay mode.In order command transmittance process, display current operating state and present instruction in real time, utilizes speech synthesis technique in real time with voice broadcast simultaneously.Contact between fleet is refile successively, instruction is sent by the control module of command car, the instruction that will send is forwarded again respectively to other vehicle by the infrared receiving/transmission unit of the rear and front end of each car, after other vehicle receives instruction, repeat above-mentioned steps again, instruction is transmitted, until all vehicles can receive as relay.
2. a kind of fleet voice commander contacted system based on laser relay communication as described in right 1, its coded system is:
Consider more than one of fleet's possibility, will be numbered fleet, in instruction, comprise the information that the fleets such as fleet's identification code identify.For each fleet, can be divided into command car and non-command car, but synchronization command car only has one, this environment residing for Yao Shi fleet is specified, and will require that command car can set at any time like this when designing.
Containing 32 bit codes in one frame data of infrared emission, comprise 28 user codes, the radix-minus-one complement of 8 bit data codes and 8 bit data codes and the synchronization bit of last position.User code is also identification code, and it is used to refer to the kind of infrared communication system, to distinguish other communication system, prevents the misoperation of each infrared communication system.Numeric data code is also order code, it represent corresponding controlling functions, can complete various feature operation in receiver according to the numerical value of function code. and data radix-minus-one complement is the radix-minus-one complement of numeric data code, whether produces mistake to proofread data in transmitting procedure at receiving end.In the present invention, user code is designed to fleet's coding, vehicle code and command car and non-command car tag number, and numeric data code is then the coding of the phonetic order of commander and the contact that will transmit.
3. a kind of fleet voice commander contacted system based on laser relay communication as described in right 1, its composition structure is:
Be made up of three parts, be namely be positioned at car control module and be positioned at car front and back ends infrared receiving/transmission unit.Control module in car is the core of whole system, is decided reception or the transmission of order by it.After the order of control module sends, the infrared receiving/transmission unit of the front and back ends of car can receive this order, at this moment this element vehicle that just will enter to it sends order, then other vehicle more successively relay forward the order received, complete the work of whole contacted system with this.
4. a kind of fleet voice commander contacted system based on laser relay communication as described in right 3, controlling element characteristic in its car is:
In car, control module is the most important parts of whole system, and it is primarily of auxiliary circuit compositions such as single-chip microcomputer, voice circuit module of electric, LCD MODULE, input through keyboard circuit and microcontroller power supply, clock and resets.Its system chart is as shown in Figure 1:
Control module in car with single-chip microcomputer W77E58 for control device, the circuit that the speech chip ISD1420 that the recording playback of voice is produced by ISD company forms realizes, display device is that LM12232 LCD MODULE completes, transport condition residing for display car amount and order, these three parts in addition other auxiliary circuit form the control module in car.Order records all in advance, these demanded storage are in pre-set interval, the input and sending of order is all completed by button, keyboard is made up of 16 keys of 4 × 4, when after input through keyboard order, show current order and the state of car by LCD MODULE, simultaneously with voice message, operating personnel can easily via the prompting of voice current determine current order whether want send, finally decide the transmission of order by acknowledgement key.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510807874.2A CN105513334A (en) | 2015-11-20 | 2015-11-20 | Laser-relay-communication-based vehicle team voice command contact system |
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| CN201510807874.2A CN105513334A (en) | 2015-11-20 | 2015-11-20 | Laser-relay-communication-based vehicle team voice command contact system |
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2015
- 2015-11-20 CN CN201510807874.2A patent/CN105513334A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| CN1904871A (en) * | 2005-07-29 | 2007-01-31 | 鸿富锦精密工业（深圳）有限公司 | Communication system for use between electronic devices and method thereof |
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