CN103264724A - Infrared transceiving device for signals of steering wheel buttons - Google Patents
Infrared transceiving device for signals of steering wheel buttons Download PDFInfo
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- CN103264724A CN103264724A CN2013101387337A CN201310138733A CN103264724A CN 103264724 A CN103264724 A CN 103264724A CN 2013101387337 A CN2013101387337 A CN 2013101387337A CN 201310138733 A CN201310138733 A CN 201310138733A CN 103264724 A CN103264724 A CN 103264724A
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Abstract
The invention relates to an infrared transceiving device for signals of steering wheel buttons and belongs to the technical field of auto spare parts. The device comprises an emitting part used for emitting infrared signals of the steering wheel buttons, and a receiving part used for receiving the infrared signals of the steering wheel buttons emitted by the emitting part and executing the corresponding functions of the signals, wherein the emitting part comprises a button module, a code modulation module and a signal emitting module; and the receiving part comprises an infrared ray receiving module, a code processing module, a restoration module, a time sequence module, an alarming module and a function executing module. According to the device disclosed by the invention, certain auxiliary devices inside and outside a vehicle and function control terminals are concentrated on the steering wheel, the situation that a driver is distracted when controlling devices through a center console is avoided, and the driving safety is improved; infrared rays are adopted to transmit and control signals to reduce the troubles of wiring; and a microcontroller is adopted for recognition, the security is strong, the decoding is accurate and rapid, procedures are erasable and are capable of master reset, the appearance is attractive, and updating and maintenance are convenient.
Description
Technical field
The present invention relates to a kind of bearing circle push button signalling infrared transceiver device, belong to the vehicular spare parts technical field.
Background technology
At present, automobile has been gone into ten million family, and the electron steering of some equipment provides great convenience to the mankind on the car.As the control in vehicle window and skylight, air-conditioning, functions such as MP3 player.But, the control end of these equipment is not often in driver's scope within reach, as vehicle window just on car door, air-conditioning and MP3 player are just on the console between driver and the copilot, not easily with regard to making the driver when driving, operate these functions like this, and divert one's attention to produce traffic hidden danger easily.Though the multifunctional direction dish that has has added by the key control function, the sort of or traditional wired installation, under bearing circle around line one by one, as signal transmission usefulness, can seem in a mess like this and also maintenance inconvenient.If existing keypress function on the bearing circle can be broken away from wired limitation again, so not only can be under the situation of departure direction dish not other equipment of control, avoid diverting attention, more attractive in appearance and easy to maintenance.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of bearing circle push button signalling infrared transceiver device.At bearing circle key board is housed, after button is pressed, can sends specific remote control mode, launch by an infrared signal reception reception through infrared transmitting tube, also control the execution driving circuit through the microcontroller decoding and control corresponding equipment.
Technical scheme of the present invention is: a kind of bearing circle push button signalling infrared transceiver device comprises for the radiating portion of downrange dish button infrared signal and the receiving unit that is used for receiving the bearing circle button infrared signal of radiating portion emission and finishes the execution of its corresponding function;
Described radiating portion comprises:
-key-press module 1 is used for triggering control signal;
-code modulation module 2 is used for coding and the modulation of signal;
-signal emission module 3 is used for the code signal that modulates is launched;
Described receiving unit comprises:
-infrared ray receiver module 6 is used for receiving the code signal that signal emission module 3 emits;
-coding processing module 5 is used for resolving the code signal that infrared ray receiver module 6 receives;
-reseting module is used for system and resets;
-tfi module is for the sequential that the microcontroller normal operation is provided;
-alarm module 7 is used for that system makes mistakes or the warning during malicious interference;
-function execution module 8 is for the function of carrying out key-press module 1 correspondence.
Described key-press module 1 is installed on the bearing circle 9, code modulation module 2 is at key-press module 1 time and coupled, signal emission module 3 be installed in bearing circle 9 times, link to each other with code modulation module 2, and light-emitting diode D1 upwards, infrared emission tube 4 all exposes downwards.
Described receiving unit is installed in the bearing circle post tips, particularly the integrated infrared receiving terminal RX1 in the infrared ray receiver module 6 be installed in that outermost end is all exposed and and signal emission module 3 in infrared emission tube 4 between clear block.
Described code modulation module 2 is equipped with microcontroller, and the RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, and P1 port and key-press module 1 directly are electrically connected.
Described signal emission module 3 comprises light-emitting diode D1, aerotron Q1, infrared emission tube 4, resistance R 1, R2, capacitor C 1; Resistance R 1 links to each other with diode D1, resistance R 2 aerotron Q1, and the aerotron Q1C utmost point links to each other with infrared ray D2 power valve, the E utmost point links to each other with R2, the B utmost point links to each other with microcontroller P2.1, and diode D1 is connected with the vacant P2.0 pin of microcontroller.
Described infrared ray receiver module 6 comprises integrated infrared receiving terminal RX1, and its first pin links to each other with the microcontroller external interrupt, and second pin links to each other with GND, and the 3rd pin links to each other with VCC.
Described coding processing module 5 is equipped with microcontroller, and the RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, infrared ray receiver module 6, function execution module 8, alarm module 7.
Described reseting module comprises switch S 1, resistance R 3, R4, capacitor C 2,1 one sections elder generations of switch S connect with resistance R 3 back in parallel with capacitor C 2 at last and microcontroller reset pin RST be electrically connected, the other end links to each other with the VCC of system, resistance R 4 one ends link to each other with the microcontroller reset pin, and the other end links to each other with the GND of system.
Described tfi module comprises crystal oscillator Y1, capacitor C 3, C4, and capacitor C 3, C4 one end link to each other with microcontroller X1, X2 pin by the bipod of crystal oscillator Y1, and the other end altogether.
Described alarm module 7 comprises resistance R 5, buzzer phone FM, light-emitting diode D3, aerotron Q2, and the aerotron Q2B utmost point is connected with microcontroller P2.3 by resistance R 5, C utmost point ground connection, and the E utmost point links to each other with buzzer phone FM.
Principle of work of the present invention is: code modulation module 2 is equipped with microcontroller, link to each other with reseting module and to be used for system and to reset, link to each other with tfi module, be used for providing the sequential of microcontroller normal operation, directly be electrically connected with key-press module 1, utilize programming control scanning key-press module 1, with push button signalling coding and modulation, be electrically connected with signal emission module 3, the signal that modulates is launched through signal emission module 3; Signal emission module 3 comprises light-emitting diode D1, aerotron Q1, infrared emission tube 4, resistance R 1, R2, capacitor C 1.Resistance R 1 links to each other with diode D1, resistance R 2 aerotron Q1 and is used for current limliting, aerotron Q1 links to each other with infrared ray D2 power valve and is used for the signal amplification, the aerotron Q1C utmost point links to each other with infrared ray D2 power valve, the E utmost point links to each other with R2, the B utmost point links to each other with microcontroller P2.1, diode D1 is connected with the vacant P2.0 pin of microcontroller, and diode D1 is connected with modulation circuit and is used for the successful launch feedback; Infrared ray receiver module 6 comprises integrated infrared receiving terminal RX1, and its first pin links to each other with the microcontroller external interrupt, and second pin links to each other with GND, and the 3rd pin links to each other with VCC; Coding processing module 5 is equipped with microcontroller, link to each other with reseting module and to be used for system and to reset, link to each other with tfi module, be used for providing the sequential of microcontroller normal operation, with infrared ray receiver module 6, be used for infrared signal parsing, verification, executable operations, link to each other with function execution module 8, be used for carrying out the corresponding function of button on the key-press module 1, linking to each other with alarm module 7 is used for reporting to the police; Reseting module comprises switch S 1, resistance R 3, R4, capacitor C 2,1 one sections elder generations of switch S connect with resistance R 3 back in parallel with capacitor C 2 at last and microcontroller reset pin RST be electrically connected, the other end links to each other with the VCC of system and is used for providing high level to reset, resistance R 4 one ends link to each other with the microcontroller reset pin, the other end links to each other with the GND of system, is used for the recovery after restoration low level; Tfi module comprises crystal oscillator Y1, capacitor C 3, C4, and capacitor C 3, C4 one end link to each other with microcontroller X1, X2 pin by the bipod of crystal oscillator Y1, and the other end adopts outside concussion mode that the system sequence of work is provided for microcontroller altogether; Alarm module 7 comprises resistance R 5, buzzer phone FM, light-emitting diode D3, aerotron Q2, the aerotron Q2B utmost point is connected with microcontroller P2.3 by resistance R 5, C utmost point ground connection, the E utmost point links to each other with buzzer phone FM, when wrong infrared signal sends or has the people to use decoding remote controller malice to crack when of the present invention, buzzer phone will give the alarm under the control of program; Function execution module 8 comprises the control circuit of some functions, links to each other with other vacant pins of microcontroller, and after correct infrared remote control signal is resolved out, under system program control, corresponding function will be performed.
The invention has the beneficial effects as follows: the control end of some accessory equipments inside and outside the car and function is concentrated on the bearing circle, avoid chaufeur to divert one's attention because of control convenience on console, improve travel safety; Adopt the infrared transmission control signal, reduce the trouble of line; The identification of employing microcontroller, strong security, decoding is accurate, quick, and program is erasable, can reset by a key appearance looks elegant, upgrading, easy to maintenance.
Description of drawings
Fig. 1 is structural scheme of mechanism of the present invention
Fig. 2 is the system chart of radiating portion of the present invention
Fig. 3 is the system chart of receiving unit of the present invention
Fig. 4 is key-press module schematic diagram of the present invention
Fig. 5 is code modulation module module frame chart of the present invention
Fig. 6 is signal emission module schematic diagram of the present invention
Fig. 7 is infrared ray receiver module schematic diagram of the present invention
Fig. 8 is the present invention's processing module module frame chart of encoding
Fig. 9 is reseting module schematic diagram of the present invention
Figure 10 is tfi module schematic diagram of the present invention
Figure 11 is alarm module schematic diagram of the present invention
Figure 12 is function execution module module frame chart of the present invention
Figure 13 is radiating portion flow chart of the present invention
Figure 14 is receiving unit flow chart of the present invention
Each label is among the figure: 1-key-press module, 2-code modulation module, 3-signal emission module, 4-infrared emission tube, the 5-processing module of encoding, 6-infrared ray receiver module, 7-alarm module, 8-function execution module, 9-bearing circle, 10-bearing circle pivot shaft.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment one: as shown in the figure, a kind of bearing circle push button signalling infrared transceiver device comprises for the radiating portion of downrange dish button infrared signal and the receiving unit that is used for receiving the bearing circle button infrared signal of radiating portion emission and finishes the execution of its corresponding function;
Described radiating portion comprises:
-key-press module 1 is used for triggering control signal;
-code modulation module 2 is used for coding and the modulation of signal;
-signal emission module 3 is used for the code signal that modulates is launched;
Described receiving unit comprises:
-infrared ray receiver module 6 is used for receiving the code signal that signal emission module 3 emits;
-coding processing module 5 is used for resolving the code signal that infrared ray receiver module 6 receives;
-reseting module is used for system and resets;
-tfi module is for the sequential that the microcontroller normal operation is provided;
-alarm module 7 is used for that system makes mistakes or the warning during malicious interference;
-function execution module 8 is for the function of carrying out key-press module 1 correspondence.
Described key-press module 1 is installed on the bearing circle 9, code modulation module 2 is at key-press module 1 time and coupled, signal emission module 3 be installed in bearing circle 9 times, link to each other with code modulation module 2, and light-emitting diode D1 upwards, infrared emission tube 4 all exposes downwards.
Described receiving unit is installed in the bearing circle post tips, particularly the integrated infrared receiving terminal RX1 in the infrared ray receiver module 6 be installed in that outermost end is all exposed and and signal emission module 3 in infrared emission tube 4 between clear block.
Described code modulation module 2 is equipped with microcontroller, and the RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, and P1 port and key-press module 1 directly are electrically connected.
Described signal emission module 3 comprises light-emitting diode D1, aerotron Q1, infrared emission tube 4, resistance R 1, R2, capacitor C 1; Resistance R 1 links to each other with diode D1, resistance R 2 aerotron Q1, and the aerotron Q1C utmost point links to each other with infrared ray D2 power valve, the E utmost point links to each other with R2, the B utmost point links to each other with microcontroller P2.1, and diode D1 is connected with the vacant P2.0 pin of microcontroller.
Described infrared ray receiver module 6 comprises integrated infrared receiving terminal RX1, and its first pin links to each other with the microcontroller external interrupt, and second pin links to each other with GND, and the 3rd pin links to each other with VCC.
Described coding processing module 5 is equipped with microcontroller, and the RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, infrared ray receiver module 6, function execution module 8, alarm module 7.
Described reseting module comprises switch S 1, resistance R 3, R4, capacitor C 2,1 one sections elder generations of switch S connect with resistance R 3 back in parallel with capacitor C 2 at last and microcontroller reset pin RST be electrically connected, the other end links to each other with the VCC of system, resistance R 4 one ends link to each other with the microcontroller reset pin, and the other end links to each other with the GND of system.
Described tfi module comprises crystal oscillator Y1, capacitor C 3, C4, and capacitor C 3, C4 one end link to each other with microcontroller X1, X2 pin by the bipod of crystal oscillator Y1, and the other end altogether.
Described alarm module 7 comprises resistance R 5, buzzer phone FM, light-emitting diode D3, aerotron Q2, and the aerotron Q2B utmost point is connected with microcontroller P2.3 by resistance R 5, C utmost point ground connection, and the E utmost point links to each other with buzzer phone FM.
Embodiment two: as shown in the figure, Fig. 2 is the system chart that the present invention is used for the radiating portion of bearing circle push button signalling infrared receiving/transmission.This radiating portion is made of key-press module 1, code modulation module 2 and signal emission module 3.After system powers on, code modulation module 2 can constantly refresh the level information at key-press module 1 place, a button is pressed on key-press module 1, the level of system can be dragged down, code modulation module 2 detects system has low level to occur, which button is pressed when being detected by programming control, and take out this button corresponding codes in the memory device internally, the carrier wave that code modulation module 2 meetings simultaneously produce 38KHz carries out remodulation to improve transmitting frequency to coding, reduce power supply power consumption, this moment, coded modulation finished.Coding after the modulation is launched by the infrared emission tube 4 in the signal emission module 3 again.After signal succeeded in sending up away, program was carried out one-period, and the light-emitting diode D1 of signal emission module 3 can dodge as feedback.Because each button on the key-press module 1 is to be connected separately with the pin of microcontroller, so when code modulation module 2 adopted the mode of lining by line scan to scan, different buttons can produce different codings.
Fig. 3 is the system chart that the present invention is used for the receiving unit of bearing circle push button signalling infrared receiving/transmission.This receiving unit is made of infrared ray receiver module 6, coding processing module 5, function execution module 8 and alarm module 7.After system powered on, coding processing module 5 can constantly refresh the level at microcontroller INT0 pin place, and the OUT pin of the integrated infrared receiving terminal RX1 in INTO pin and the infrared ray receiver module 6 links to each other.When integrated infrared receiving terminal RX1 receives infrared signal, can be within it portion amplify--gain--filtering--demodulation--after the shaping by OUT pin output low level falling edge, at this moment, the system that coding processing module 5 detects the low level falling edge occurs and produces interruption, the microcontroller handling interrupt is called the coding handler, decoding after the terminal output of program is resolved, calling coding comparison program identification is which push button signalling is received, through verification, relatively, after the identification, carry out signal and be transferred to function execution module 8, function execution module 8 is drive parts of objective function.Processing module 5 identifications if the signal that infrared ray receiver module 6 receives is not encoded, or decoding failure, buzzer phone FM in the alarm module 7 can ring three times under programming control continuously, light-emitting diode D3 flicker three times, as alarm, prevent transmitter module 3 misworks, and the illegal operation of the interference of external infrared signal and malice decoding.Because the coding difference of each button, and encoding processor divides strict decoding contrast checking procedure arranged in 7 programs of carrying out, so solved problems such as mess code, error code and interference code, interference problem can not occur even two the present invention use also simultaneously.
Fig. 5 is the module frame chart of the code modulation module 2 of the present invention's sending module 1 of being used for bearing circle push button signalling infrared receiving/transmission, this module is equipped with microcontroller, its RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, and P1 port and key-press module 1 directly are electrically connected.When push button signalling produced, the microcontroller in the code modulation module 2 can be identified corresponding button and extract keyboard-coding, produces the carrier modulation of 38KHz simultaneously, and modulation is launched by signal emission module 3.Because each button on the key-press module 1 is to be connected separately with the pin of microcontroller, so when code modulation module 2 adopted the mode of lining by line scan to scan, different buttons can produce different codings.
Fig. 6 is the circuit theory of the signal emission module 3 of the present invention's sending module 1 of being used for bearing circle push button signalling infrared receiving/transmission, as figure, comprises light-emitting diode D1, aerotron Q1, infrared emission tube 4, resistance R 1, R2, capacitor C 1.Resistance R 1 links to each other with diode D1, resistance R 2 aerotron Q1, and the aerotron Q1C utmost point links to each other with infrared ray D2 power valve, the E utmost point links to each other with R2, the B utmost point links to each other with microcontroller P2.1, and diode D1 is connected with the vacant P2.0 pin of microcontroller.After the modulation signal operation of code modulation module 2 was finished, microcontroller can be controlled the infrared ray of infrared emission tube 4 emission carrying informations.After emission finished, D1 can dodge the feedback as successful launch.
Fig. 8 is the module frame chart of the coding processing module 5 of the present invention's receiver module 2 of being used for bearing circle push button signalling infrared receiving/transmission.This module is equipped with microcontroller, and its RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, links to each other with infrared ray receiver module 6, links to each other with function execution module 8, links to each other with alarm module 11.After the integrated infrared receiving terminal RX1 of infrared ray receiver module 6 receives infrared ray, can produce a low level falling edge information, can trigger this module and produce interruption, the decoding of microcontroller handling interrupt calling program, controller reads coding, verification is not inconsistent as check code, then ignores this signal, not carrying out the feature operation disease gives the alarm, correctly then continue decoding as check code, call comparison program after the decoding and carry out verification, relatively, identify key information, and carry out the objective function of button.
Fig. 9 is that the present invention is used for the sending module 1 of bearing circle push button signalling infrared receiving/transmission and the reseting module that receiver module 2 all needs.As Fig. 9, this module comprises switch S 1, resistance R 3, R4, capacitor C 2,1 one sections elder generations of switch S connect with resistance R 3 back in parallel with capacitor C 2 at last and microcontroller reset pin RST be electrically connected, the other end links to each other with the VCC of system, resistance R 4 one ends link to each other with the microcontroller reset pin, and the other end links to each other with the GND of system.Switch S 1 is contact switch, presses the back circuit and connects, and unclamps the back circuit and disconnects.After switch S 1 was pressed, system obtained high level and resets, and after switch S 1 was unclamped, low level was recovered by system, and program re-executes, and finishes reset operation.
Figure 10 is that the present invention is used for the sending module 1 of bearing circle push button signalling infrared receiving/transmission and the tfi module that receiver module 2 all needs, as Figure 10, this module comprises crystal oscillator Y1, capacitor C 3, C4, capacitor C 3, C4 one end link to each other with microcontroller X1, X2 pin by the bipod of crystal oscillator Y1, and the other end altogether.After system powered on, crystal oscillator Y1 work was for microcontroller provides the essential time sequential routine.
2, Figure 11 is the schematic circuit diagram of the alarm module 7 of the present invention's receiver module 2 of being used for bearing circle push button signalling infrared receiving/transmission, as Figure 11, this module comprises resistance R 5, buzzer phone FM, light-emitting diode D3, aerotron Q2, the aerotron Q2B utmost point is connected with microcontroller P2.3 by resistance R 5, C utmost point ground connection, the E utmost point links to each other with buzzer phone FM.When system need report to the police, the FM pin that defines on the microcontroller can produce the pulse of certain frequency, the buzzer phone sounding, and program can be controlled light-emitting diode D3 flicker three times simultaneously, produces alarm message, and the prompting operator notes and deals with problems.
Figure 12 the present invention is for the module frame chart of the function execution module 8 of the receiver module 2 of bearing circle push button signalling infrared receiving/transmission.After the function of coding processing module 5 is carried out the signal generation, can control this module and carry out corresponding function.
When a button is pressed on the key-press module 1, can produce a string specific remote control mode, remote control mode carries out remodulation to improve transmitting frequency by the carrier frequency of code modulation module 2 certain frequency of process, reduce power supply power consumption, by the infrared emission tube 4 in the infrared transmission module 5 to aerial emission, integrated infrared receiving terminal RX1 in the infrared ray receiver module 6 receives the infrared ray signal,--gain is--after filtering--demodulation--shaping through amplifying after being converted to the microampere order electric signal, be transferred to coding processing module 5 reduction remote control modes, microcontroller carries out code identification, it is which button is pressed that microcontroller is distinguished, start function execution module 10 control relevant devices or realize corresponding function, when carrying out this process, tfi module in the radiating portion, tfi module in the receiving unit is being worked always, and the sequential of normal operation is provided for microcontroller.Because each button has different remote control modes and needs through a series of pairing authentication, thus one by building function of control, and can be not disturbed.Because the corresponding fixing coding of button has check part, so solved safety problems such as mess code, error code, interference code in the coding.
When the infrared ray receiver module 6 of receiving portion 2 is sensed infrared signal, can produce a falling edge signal and remind microcontroller to handle external interrupt, microcontroller reads coding, verification, be not inconsistent as check code, then ignore this signal, do not carry out the feature operation disease and give the alarm.Pass through as verification, then continue decoding, the comparing function sign indicating number is also carried out respective operations, finishes a signal transmission control.When button is pressed above 108us, send the running fire sign indicating number, receiving system is judged to be continuous executable operations and stops to send until push button signalling, and just button is released.
In the present embodiment, default system powers on, and, when alarm module 7 work, need carry out reset operation and could implement again.
By reference to the accompanying drawings the specific embodiment of the present invention has been done detailed description above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from aim of the present invention, make various variations.
Claims (10)
1. a bearing circle push button signalling infrared transceiver device is characterized in that: comprise for the radiating portion of downrange dish button infrared signal and the receiving unit that is used for receiving the bearing circle button infrared signal of radiating portion emission and finishes the execution of its corresponding function;
Described radiating portion comprises:
-key-press module (1) is used for triggering control signal;
-code modulation module (2) is used for coding and the modulation of signal;
-signal emission module (3) is used for the code signal that modulates is launched;
Described receiving unit comprises:
-infrared ray receiver module (6) is used for receiving the code signal that signal emission module (3) emits;
-coding processing module (5) is used for resolving the code signal that infrared ray receiver module (6) receives;
-reseting module is used for system and resets;
-tfi module is for the sequential that the microcontroller normal operation is provided;
-alarm module (7) is used for that system makes mistakes or the warning during malicious interference;
-function execution module (8) is used for carrying out the corresponding function of key-press module (1).
2. bearing circle push button signalling infrared transceiver device according to claim 1, it is characterized in that: described key-press module (1) is installed on the bearing circle (9), code modulation module (2) is also coupled down at key-press module (1), signal emission module (3) is installed under the bearing circle (9), links to each other with code modulation module (2), and light-emitting diode (D1) makes progress, infrared emission tube (4) all exposes downwards.
3. bearing circle push button signalling infrared transceiver device according to claim 1, it is characterized in that: described receiving unit is installed in the bearing circle post tips, particularly the integrated infrared receiving terminal (RX1) in the infrared ray receiver module (6) be installed in that outermost end is all exposed and and signal emission module (3) in infrared emission tube (4) between clear block.
4. bearing circle push button signalling infrared transceiver device according to claim 1 and 2, it is characterized in that: described code modulation module (2) is equipped with microcontroller, the RST pin links to each other with reseting module, X1, X2 pin link to each other with tfi module, and P1 port and key-press module (1) directly are electrically connected.
5. bearing circle push button signalling infrared transceiver device according to claim 1 and 2, it is characterized in that: described signal emission module (3) comprises light-emitting diode (D1), aerotron (Q1), infrared emission tube (4), resistance (R1, R2), electric capacity (C1); Resistance (R1) links to each other with diode (D1), resistance (R2) aerotron (Q1), aerotron (Q1) the C utmost point links to each other with infrared ray (D2) power valve, the E utmost point links to each other with R2, the B utmost point links to each other with microcontroller P2.1, and diode (D1) is connected with the vacant P2.0 pin of microcontroller.
6. according to claim 1 or 3 described bearing circle push button signalling infrared transceiver devices, it is characterized in that: described infrared ray receiver module (6) comprises integrated infrared receiving terminal (RX1), its first pin links to each other with the microcontroller external interrupt, second pin links to each other with GND, and the 3rd pin links to each other with VCC.
7. according to claim 1 or 3 described bearing circle push button signalling infrared transceiver devices, it is characterized in that: described coding processing module (5) is equipped with microcontroller, the RST pin links to each other with reseting module, and X1, X2 pin link to each other with tfi module, infrared ray receiver module (6), function execution module (8), alarm module (7).
8. according to claim 1 or 3 described bearing circle push button signalling infrared transceiver devices, it is characterized in that: described reseting module comprises switch (S1), resistance (R3, R4), electric capacity (C2), one section elder generation of switch (S1) connect with resistance (R3) back in parallel with electric capacity (C2) at last and microcontroller reset pin (RST) be electrically connected, the other end links to each other with the VCC of system, resistance (R4) end links to each other with the microcontroller reset pin, and the other end links to each other with the GND of system.
9. according to claim 1 or 3 described bearing circle push button signalling infrared transceiver devices, it is characterized in that: described tfi module comprises crystal oscillator (Y1), electric capacity (C3, C4), electric capacity (C3, a C4) end links to each other with microcontroller X1, X2 pin by the bipod of crystal oscillator (Y1), and the other end altogether.
10. according to claim 1 or 3 described bearing circle push button signalling infrared transceiver devices, it is characterized in that: described alarm module (7) comprises resistance (R5), buzzer phone (FM), light-emitting diode (D3), aerotron (Q2), aerotron (Q2) the B utmost point is connected with microcontroller P2.3 by resistance (R5), C utmost point ground connection, the E utmost point links to each other with buzzer phone (FM).
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| CN201310138733.7A CN103264724B (en) | 2013-04-22 | 2013-04-22 | A kind of bearing circle push button signalling infrared transceiver device |
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| CN201310138733.7A CN103264724B (en) | 2013-04-22 | 2013-04-22 | A kind of bearing circle push button signalling infrared transceiver device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494541A (en) * | 2014-12-18 | 2015-04-08 | 江苏天安智联科技股份有限公司 | Wireless infrared steering wheel controller |
| CN106143585A (en) * | 2016-06-30 | 2016-11-23 | 科世达（上海）管理有限公司 | The signal transmitting apparatus of a kind of vehicle steering and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0119350A1 (en) * | 1983-03-16 | 1984-09-26 | Sheller-Globe Corporation | Multifunction steering wheel |
| CN201198296Y (en) * | 2008-03-12 | 2009-02-25 | 卢灿光 | Learning type general automobile steering wheel controller |
| CN201477406U (en) * | 2009-07-29 | 2010-05-19 | 李亚银 | Keypad control decoder of automobile steering wheel |
| CN201580323U (en) * | 2010-01-13 | 2010-09-15 | 米拉迪力江·依明 | Multifunctional touch remote-control player for steering wheels |
| CN203345004U (en) * | 2013-04-22 | 2013-12-18 | 昆明理工大学 | Infrared key signal receiving and transmitting device of steering wheel |
-
2013
- 2013-04-22 CN CN201310138733.7A patent/CN103264724B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0119350A1 (en) * | 1983-03-16 | 1984-09-26 | Sheller-Globe Corporation | Multifunction steering wheel |
| CN201198296Y (en) * | 2008-03-12 | 2009-02-25 | 卢灿光 | Learning type general automobile steering wheel controller |
| CN201477406U (en) * | 2009-07-29 | 2010-05-19 | 李亚银 | Keypad control decoder of automobile steering wheel |
| CN201580323U (en) * | 2010-01-13 | 2010-09-15 | 米拉迪力江·依明 | Multifunctional touch remote-control player for steering wheels |
| CN203345004U (en) * | 2013-04-22 | 2013-12-18 | 昆明理工大学 | Infrared key signal receiving and transmitting device of steering wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494541A (en) * | 2014-12-18 | 2015-04-08 | 江苏天安智联科技股份有限公司 | Wireless infrared steering wheel controller |
| CN106143585A (en) * | 2016-06-30 | 2016-11-23 | 科世达（上海）管理有限公司 | The signal transmitting apparatus of a kind of vehicle steering and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103264724B (en) | 2015-12-23 |
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Effective date of registration: 20171113 Address after: 650051 No. 50 East Ring Road, Yunnan, Kunming Patentee after: Kunming University of Science and Technology driving training Co.,Ltd. Address before: 650093 Kunming, Yunnan, Wuhua District Road, No. 253 Patentee before: Kunming University of Science and Technology |
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