CN1276581A - Digital pulse type safety instrument - Google Patents
Digital pulse type safety instrument Download PDFInfo
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- CN1276581A CN1276581A CN 99114910 CN99114910A CN1276581A CN 1276581 A CN1276581 A CN 1276581A CN 99114910 CN99114910 CN 99114910 CN 99114910 A CN99114910 A CN 99114910A CN 1276581 A CN1276581 A CN 1276581A
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- Prior art keywords
- automobile
- pulse
- transmitter
- type safety
- digital pulse
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Abstract
A digital pulse type safety instrument for ensuring the safety running of vehicle is disclosed. It features that the ambient condition of running vehicle can be provided for driver by actively sending out and receiving digital pulse signals to prevent accidents. Its advantages are high correctness and response, low cost and high anti-interference power.
Description
Digital pulse type safety instrument is to be used for the vitals of support vehicles safety traffic, is used for providing to the driver the peripheral situation of vehicle ', collides avoiding, and garage rolls unexpected traffic hazards such as boundary away from.
Existing vehicle safety instrument mainly contains the crashproof instrument of ultrasound wave, and polytypes such as stadimeter adopt the passive measurement mode mostly, exist to measure inaccurate, slow in reacting, equipment cost height, problems such as anti-interference is poor, and range of application is little.
The mode that the present invention initiatively sends and receives by digital pulse provides the peripheral situation of vehicle ' to the driver, collides avoiding, and garage rolls unexpected traffic hazards such as boundary away from.
It now is the principle of work that example illustrates digital pulse type safety instrument with the automobile.
Fig. 1 is a digital pulse type safety instrument technical scheme schematic diagram.
Among the figure:
1. body of a motor car schematic top plan view (direction of arrow is headstock or automobile positive travel direction)
2. transmission infrared pulse code is 100 digital transmitter 3. receivers
4. receiver 5. transmission infrared pulse codes are 010 digital transmitter
6. receiver 7. transmission infrared pulse codes are 110 digital transmitter
8. transmission infrared pulse code is 101 digital transmitter 9. receivers
10. receiver 11. transmission infrared pulse codes are 001 digital transmitter
12. receiver 13. transmission infrared pulse codes are 011 digital transmitter
14. transmission infrared pulse code is 111 the digital transmitter in border
In the digital pulse type safety instrument technical scheme, transmitter is installed on the automobile position apart from ground one constant altitude.So-called constant altitude is meant the automobile that digital pulse type safety instrument is installed for arbitrary, and this height value all equates.Every of transmitter sends the pulsatile once digital code at regular intervals, and the code that the transmitter of installing on automobile different directions position is launched is different.
Fig. 2 is the digital pulse train code synoptic diagram that digital pulse type safety instrument is launched on different directions installation site on the automobile.
Among the figure:
1. body of a motor car schematic top plan view (the solid arrow direction is headstock or automobile positive travel direction)
2. circle, the road boundary marker of transmitter is installed
The empty direction of arrow is digital pulse transmit direction among the figure.The coordinate diagram of each empty arrow indication is the digital pulse train of being launched on this direction.Wherein, the t in the coordinate system is the time, and δ is a pulse strength.
Below with two closely travel situations that the automobile of digital pulse type safety instrument is installed the application principle of digital pulse type safety instrument technical scheme is described.
Fig. 3 is the situation that two automobiles travels in opposite directions.
Among the figure:
1. automobile A supposes that its position is metastable, can be used as the object of reference of automobile B change in location
2. the automobile B situation of travelling in the same way at automobile A left back and automobile A with respect to automobile A
3. the automobile B situation of travelling in the same way at automobile A dead astern and automobile A with respect to automobile A
4. the automobile B situation of travelling in the same way at automobile A right back and automobile A with respect to automobile A
The direction of arrow is the travel direction of each automobile among the figure.
If automobile A cruising, when automobile B from automobile A rear near automobile A and when entering in the scope that pulse strength that transmitter launches can effectively receive, this moment automobile A, B will receive pulse digital signal.If automobile B is when the left back (position 2 among Fig. 3) of automobile A, it is 100 pulse code signal that automobile B will receive sequential value, and it is 101 pulse code signal that automobile A will receive sequential value; If automobile B is when the dead astern (position 3 among Fig. 3) of automobile A, it is 010 pulse code signal that automobile B will receive sequential value, and it is 001 pulse code signal that automobile A will receive sequential value; If automobile B is when the right back (position 4 among Fig. 3) of automobile A, it is 110 pulse code signal that automobile B will receive sequential value, and it is 011 pulse code signal that automobile A will receive sequential value.Different pulse code sequences can be with flashing light, buzzing after direction judgement, amplification etc. are handled, mode drivers such as phonetic warning, thereby the driver that can make automobile A, B knows that the other side has entered in the scope of one's own side's certain distance, thereby can cause that the driver takes to slow down or other preventive measure.
Fig. 4 is the situation that two automobiles travels relatively.
Among the figure:
1. automobile A supposes that its position is metastable, can be used as the object of reference of automobile B change in location
Automobile B with respect to automobile A in automobile A left front relative situation of travelling with automobile A
Automobile B with respect to automobile A in automobile A dead ahead relative situation of travelling with automobile A
Automobile B with respect to automobile A in automobile A right front relative situation of travelling with automobile A
The direction of arrow is the travel direction of each automobile among the figure.
If automobile A cruising, when automobile B from automobile A the place ahead near automobile A and when entering in the scope that pulse strength that transmitter launches can effectively receive, this moment automobile A, B will receive pulse digital signal.If automobile B is when the left front (position 2 among Fig. 4) of automobile A, it is 101 pulse code signal that automobile B will receive sequential value, and it is 101 pulse code signal that automobile A will receive sequential value; If automobile B is when the dead ahead (position 3 among Fig. 4) of automobile A, it is 001 pulse code signal that automobile B will receive sequential value, and it is 001 pulse code signal that automobile A will receive sequential value; If automobile B is when the right front (position 4 among Fig. 4) of automobile A, it is 011 pulse code signal that automobile B will receive sequential value, and it is 011 pulse code signal that automobile A will receive sequential value.Different pulse code sequences can be with mode drivers such as flashing light, buzzing, phonetic warnings after direction judgement, amplification etc. are handled, thereby the driver that can make automobile A, B knows that the other side has entered in the scope of one's own side's certain distance, thereby can cause that the driver takes to slow down or other preventive measure.
Fig. 5 is that automobile and boundary marker carry out the situation that signal transmits.
Among the figure:
1. body of a motor car schematic top plan view (direction of arrow is headstock or automobile positive travel direction)
2. be located at the boundary marker that impulse sender is installed in roadside
3. be located at the preceding boundary marker that impulse sender is installed of barrier
In the time of in running car enters the scope that pulse strength that the boundary marker transmitter launched can effectively receive, it is 111 pulse code signal that automobile will receive sequential value, can be after direction judgement, amplification etc. are handled with mode drivers such as flashing light, buzzings, oneself entered in the scope of circle, roadside or barrier certain distance thereby the driver is known, thereby can cause that the driver takes to slow down or other preventive measure.
Fig. 6 is the structure principle chart of transmitter.
Among the figure:
1. clock 2. sequencers 3. amplifiers 4. infrared transmitter
In transmitter, clock is used for the control sequence generator and produces certain hour sequence code at interval, and this sequence code signal amplifies electric light change of back by infrared transmitter through amplifier it is sent.
Fig. 7 is the structure principle chart of receiver.
Among the figure:
1. infrared ray sensor 2. pre-process circuits 3. attention devices
In receiver, after infrared ray sensor receives pulse sequence signal, it is sent into pre-service such as pre-process circuit amplifies, direction determining, and then control corresponding warning device.
The mode that digital pulse type safety instrument adopts transmitter and receiver to be separated, can adapt to dissimilar vehicles by defining different pulse numbers, not only can be applied to motor vehicles such as automobile, also can be applied to human powered vehicles such as bicycle as the case may be.
Be installed in transmission and the reception of digital pulse type safety instrument by active pulse digit code signal on the automobile, make the driver can under the surrounding enviroment of complexity, understand extraneous situation, thereby take corresponding safety practice.For example the automobile of running at high speed on highway under the dense fog situation can be understood its vehicle condition all around by digital pulse type safety instrument, thereby can in time slow down to avoid taking place traffic hazards such as rear-end collision.
Claims (1)
- A kind of digital pulse type safety instrument technical scheme, form by transmitter and receiver two parts, it is characterized in that by being installed in the locational transmitter of vehicle different directions and being installed in the situation that the transmitter on the boundary marker of road surface sends different pulse digit codes and comes the detection vehicle periphery by the mode that receiver receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114910 CN1276581A (en) | 1999-06-03 | 1999-06-03 | Digital pulse type safety instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114910 CN1276581A (en) | 1999-06-03 | 1999-06-03 | Digital pulse type safety instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1276581A true CN1276581A (en) | 2000-12-13 |
Family
ID=5277943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99114910 Pending CN1276581A (en) | 1999-06-03 | 1999-06-03 | Digital pulse type safety instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1276581A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011095016A1 (en) * | 2010-02-05 | 2011-08-11 | 深圳市科陆变频器有限公司 | Voltage limitation circuit for power switch devices connected in series |
| CN103456182A (en) * | 2013-09-06 | 2013-12-18 | 浙江大学 | Road edge detection method and system based on distance measuring sensor |
-
1999
- 1999-06-03 CN CN 99114910 patent/CN1276581A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011095016A1 (en) * | 2010-02-05 | 2011-08-11 | 深圳市科陆变频器有限公司 | Voltage limitation circuit for power switch devices connected in series |
| CN103456182A (en) * | 2013-09-06 | 2013-12-18 | 浙江大学 | Road edge detection method and system based on distance measuring sensor |
| CN103456182B (en) * | 2013-09-06 | 2015-10-21 | 浙江大学 | A kind of road edge detection method based on distance measuring sensor and system thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |