CN102479418A - Safety device applied to passenger cars - Google Patents
Safety device applied to passenger cars Download PDFInfo
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- CN102479418A CN102479418A CN2010105595706A CN201010559570A CN102479418A CN 102479418 A CN102479418 A CN 102479418A CN 2010105595706 A CN2010105595706 A CN 2010105595706A CN 201010559570 A CN201010559570 A CN 201010559570A CN 102479418 A CN102479418 A CN 102479418A
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- passenger vehicle
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Abstract
A safety device applied to passenger cars consists of a thermal-infrared human body sensor, a processing chip, a display module, an alarm module and a car locking actuating module which are all arranged on a car door. The thermal-infrared human body sensor is arranged close to the car door and used for sensing persons getting on or off the car, and is started when the car door is opened. If persons get on the car, the thermal-infrared human body sensor detects the number of the persons, the processing chip counts the number by increasing, and then the number is displayed on the display module. If persons get off the car, the thermal-infrared human body sensor detects the number of the persons getting off the car, the processing chip counts the number by decreasing, and the number of persons stay in the car is displayed simultaneously. When the number counted by a single-chip microcomputer exceeds the preset full number of the car, the processing chip drives the alarm module and the car locking actuating module, so that overloading remind can be provided and forward running of the car which is in overloading state can be limited.
Description
Technical field:
The invention belongs to the traffic safety field, relate to a kind of safety feature that is applied on the passenger vehicle, particularly a kind of patronage on can the auto inventory passenger vehicle, and when passenger carriage overloading the time, make and reporting to the police and the device of restriction passenger vehicle action.
Background technology:
In recent years; Because the passenger traffic overload is very dangerous; For the life security that ensures traffic safety with client, various places at different levels government all pays much attention to the passenger traffic overload problems, and traffic at different levels and public security department strengthen the passenger traffic dynamics that overloads of hitting; Remain incessant after repeated prohibition but remain, the passenger carriage overloading phenomenon is still very serious.The passenger carriage overloading phenomenon why manage by refractory; Be the passenger vehicle network operator for many money-makings on the one hand, put profit-making first that the people of overloading just can earn the hundreds of yuan more more; Be the result that interests are ordered about, be also that on the other hand corruption, client's numbness and entire society's passenger capacity of competent authorities is not enough.If can give passenger vehicle network operator and relevant competent authorities with more supervision from the limiting overload of passenger vehicle own, can effectively reduce the generation of overload.
Be called infrared ray at the spectrum medium wavelength from 0.76 to 400 micron one section, infrared ray is an invisible ray.All materials that are higher than absolute zero (273.15 ℃) can produce infrared ray, and modern physics is referred to as heat ray.Human body can produce infrared ray equally.The people is a homeothermal animal, and the infrared ray that is produced by human body has certain characteristic wavelength, utilizes this character, and people have invented out the thermal infrared human inductor, and has obtained in a lot of fields using widely.
Summary of the invention:
In order to solve the often deficiency of overload of existing passenger vehicle transportation microbus, the invention provides the safety feature on a kind of passenger vehicle of application, its patronage on can the auto inventory passenger vehicle is made when passenger carriage overloading and being reported to the police and to the action of limiting overload vehicle.
The present invention is by the thermal infrared human inductor that is positioned at car door, process chip, and display module, alarm module, the automotive locking execution module is formed.The thermal infrared human inductor is positioned near the car door, is used to detect the personnel that get on or off the bus, and when car door was opened, this installed startup; If someone gets on the bus, the thermal infrared human inductor detects the number of getting on the bus, and the process chip accumulated counts also shows on display module; If someone gets off, the thermal infrared human inductor detects the number of getting off, and the process chip counting successively decreases, and also demonstrates the current number in the car simultaneously; When the counting of single-chip microcomputer accumulative total surpassed preset full number, process chip drove alarm module and automotive locking execution module, in time makes the prompting of overload and the continuation action of limiting overload vehicle.
Wherein the thermal infrared human inductor is an a kind of pair of detector thermal infrared human inductor.It is by a Fresnel Lenses, and 2 infrared acquisitions that polarity is opposite, characteristic is consistent are first, and 1 current-limiting resistance is formed.The power supply positive and negative polarities are inserted in 2 infrared acquisition unit series connection backs, and current-limiting resistance is parallelly connected with detector, and voltage output end is in the middle of 2 infrared acquisition units.The infrared ray that the human body that Fresnel Lenses will pass through produces focuses on and projects in the infrared acquisition unit, can judge the people's whether people's process even process are arranged moving direction according to the size of output voltage.
Among the present invention, when the infrared ray of human body radiation when Fresnel Lenses projects in the infrared acquisition unit, the output signal changes, this signal is through a BPF. then.Because it is very faint that the output signal changes, amplify so tackle this signal, adopt the integrated form operational amplifier that signal is carried out 2 grades of amplifications among the present invention, to obtain enough gains.Signal is after amplifying, and through a window comparator, if signal intensity surpasses the bound of comparer, comparer is exported high level signal; Output low level signal then during no abnormal situation.
When process chip is judged the overshoot of passengers inside the car's quantity, with the audio-signal-driven loudspeaker of output certain frequency.The automotive locking execution module is realized that by the relay that is installed in the motor braking circuit when process chip was judged the overshoot of passengers inside the car's quantity, the process chip pilot relay broke off, thereby automobile can't be started.Display module is made up of the LED display lamp, and process chip driving LED display lamp shows personnel amount.
In order to prevent that passenger vehicle operation personnel from breaking off apparatus of the present invention for seeking profit privately, apparatus of the present invention all are built in the passenger car body, in the passenger vehicle assembling, just are installed in the passenger vehicle.
Description of drawings:
Fig. 1 is a composition structured flowchart of the present invention;
Fig. 2 is the structural representation of thermal infrared human inductor of the present invention;
Fig. 3 is the synoptic diagram of infrared induction circuit of the present invention;
Fig. 4 is the treatment scheme synoptic diagram of process chip of the present invention.
10. thermal infrared peoplesniffers among the figure, 20. process chip, 30. alarm modules, 40. display modules; 50. the automotive locking execution module, 11. Fresnel Lenses, 12 and 13 is infrared acquisition unit, 14. current-limiting resistances; 15. positive source, 16. output signals, 17. power cathodes, 18. probe bodys; R1.R2.R3.R4.R5.R6.R7.R8.R9.R10.R11 is a fixed resistance, and C1.C2.C3.C4.C5.C6 is an electric capacity, and P1.P2.P3.P4 is the integrated form operational amplifier, and D1.D2 is a diode.
Embodiment:
Below in conjunction with accompanying drawing the present invention is done further explanation.
As shown in Figure 1, the present invention is by thermal infrared peoplesniffer (10), process chip (20), and alarm module (30), display module (40), (50) five parts of automotive locking execution module are formed.Thermal infrared peoplesniffer (10) detects through passenger's infrared signal and is converted into electric signal and flows to process chip (20); Process chip (20) is made judgement according to the signal of thermal infrared detector (10); Passengers quantity is shown through display module (40); When passenger carriage overloading, make prompting through alarm module (30), and through the action of automotive locking execution module (50) restriction passenger vehicle.Only need do plus and minus calculation because process chip (20) is general, not need too high handling property, therefore can get final product with the lower single-chip microcomputer of price; Because the passenger vehicle number generally can not surpass 100 people, so display module (40) can be used 2 sections LED display lamps; Alarm module (30) is generally loudspeaker, makes auditory tone cues, and a wireless communication unit also can be arranged when being necessary, the situation that will overload directly sends to the Competent Authorities of Transport and Communications.
As shown in Figure 2, thermal infrared human inductor according to the invention is by Fresnel Lenses (11), two infrared acquisitions units (12,13), and current-limiting resistance (14), probe body (18) is formed.Two infrared acquisition units (12) and (13) be cascaded and polarity opposite, be connected between positive source (15) and the power cathode (17) after current-limiting resistance (14) and infrared acquisition unit is parallelly connected, export signal (16) and between two infrared acquisition units, pick out.
As shown in Figure 3, capacitor C 1, capacitor C 2, resistance R 1, resistance R 2 is formed bandwidth-limited circuit, and wherein capacitor C 2, resistance R 2 series connection backs and capacitor C 1, resistance R 1 is connected in parallel, and output terminal is between capacitor C 2 and resistance R 2; Integrated form operational amplifier P1 will amplify through filtered signal, and resistance R 3, R4, R5 and capacitor C 3, C4, C5 play the effect of stabilizing circuit; Operational amplifier (P2) plays voltage ratio effect, and resistance R 6, R7 provide reference voltage; Operational amplifier P3, P4 further compare, and resistance R 9, R10, R11 provide reference voltage; Diode D1, D2 make output more stable; Capacitor C 6, resistance R 8 designs for circuit stability.
As shown in Figure 4, behind the system initialization, be in waiting status, when having detected people's process, just produce look-at-me; If the look-at-me of detecting is just called interruption subroutine, otherwise continue to wait for; Carry out plus and minus calculation during the execution of interruption subroutine, and the change of patronage is shown on the LED lamp; Behind the plus and minus calculation, judge whether passenger vehicle overloads, if not overload continues the wait look-at-me, if passenger carriage overloading then produces alerting signal and locking signal, so that the action of prompting in time and limiting overload passenger vehicle.
More than be to explanation of the present invention and non-limiting, based on other embodiments of inventive concept, all within protection scope of the present invention.
Claims (8)
1. a safety feature that is applied on the passenger vehicle is characterized in that, this device is by the thermal infrared human inductor that is positioned at car door, process chip, and display module, alarm module, the automotive locking execution module is formed; The thermal infrared human inductor is positioned near the car door, is used to detect the personnel that get on or off the bus, and when car door was opened, this installed startup; If someone gets on the bus, the thermal infrared human inductor detects the number of getting on the bus, and the process chip accumulated counts also shows on display module; If someone gets off, the thermal infrared human inductor detects the number of getting off, and the process chip counting successively decreases, and also demonstrates the current number in the car simultaneously; When the counting of single-chip microcomputer accumulative total surpassed preset full number, process chip drove alarm module and automotive locking execution module, in time makes the prompting of overload and the continuation action of limiting overload vehicle.
2. a kind of safety feature that is applied on the passenger vehicle according to claim 1 is characterized in that, said thermal infrared human inductor is made up of Fresnel Lenses, infrared acquisition unit that 2 characteristics are identical, 1 current-limiting resistance and probe body; Fresnel Lenses is fixed on the probe body; 2 infrared acquisition units are cascaded with opposite polarity mode, current-limiting resistance with insert after 2 infrared eyes are parallelly connected between the power positive cathode; Output terminal is between 2 infrared acquisition units.
3. a kind of safety feature that is applied on the passenger vehicle according to claim 1 is characterized in that said process chip is a single-chip microcomputer.
4. a kind of safety feature that is applied on the passenger vehicle according to claim 1 is characterized in that, said display module is 2 sections LED lamps.
5. a kind of safety feature that is applied on the passenger vehicle according to claim 1 is characterized in that said alarm module is a loudspeaker.
6. a kind of safety feature that is applied on the passenger vehicle according to claim 1 is characterized in that said alarm module is a wireless communication unit.
7. a kind of safety feature that is applied on the passenger vehicle according to claim 1 is characterized in that said alarm module is loudspeaker and wireless communication unit.
8. a kind of safety feature that is applied on the passenger vehicle according to claim 1; It is characterized in that; The working method of said automotive locking execution module is in the passenger vehicle braking circuit, to add a relay, thereby the relay disconnection makes passenger vehicle can't continue action when passenger carriage overloading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105595706A CN102479418A (en) | 2010-11-24 | 2010-11-24 | Safety device applied to passenger cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105595706A CN102479418A (en) | 2010-11-24 | 2010-11-24 | Safety device applied to passenger cars |
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| Publication Number | Publication Date |
|---|---|
| CN102479418A true CN102479418A (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105595706A Pending CN102479418A (en) | 2010-11-24 | 2010-11-24 | Safety device applied to passenger cars |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136813A (en) * | 2013-02-05 | 2013-06-05 | 陈均球 | School bus safety management system and utilization method thereof |
| CN103448550A (en) * | 2013-07-26 | 2013-12-18 | 南京工业职业技术学院 | Automatic bus overload alarm device |
| CN103712696A (en) * | 2013-12-30 | 2014-04-09 | 中通客车控股股份有限公司 | Vehicle-mounted human body detection device |
| CN105620355A (en) * | 2015-12-18 | 2016-06-01 | 中山市民众镇民众中心小学 | Personnel overloading promote device on bus |
| CN107220700A (en) * | 2017-06-09 | 2017-09-29 | 安徽富煌科技股份有限公司 | A kind of data display device based on passenger flow counting instrument |
| CN111169378A (en) * | 2020-01-22 | 2020-05-19 | 浙江吉利汽车研究院有限公司 | Vehicle overload detection method, system and device |
-
2010
- 2010-11-24 CN CN2010105595706A patent/CN102479418A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136813A (en) * | 2013-02-05 | 2013-06-05 | 陈均球 | School bus safety management system and utilization method thereof |
| CN103448550A (en) * | 2013-07-26 | 2013-12-18 | 南京工业职业技术学院 | Automatic bus overload alarm device |
| CN103712696A (en) * | 2013-12-30 | 2014-04-09 | 中通客车控股股份有限公司 | Vehicle-mounted human body detection device |
| CN105620355A (en) * | 2015-12-18 | 2016-06-01 | 中山市民众镇民众中心小学 | Personnel overloading promote device on bus |
| CN105620355B (en) * | 2015-12-18 | 2018-01-05 | 中山市民众镇民众中心小学 | A kind of personnel overload suggestion device on car |
| CN107220700A (en) * | 2017-06-09 | 2017-09-29 | 安徽富煌科技股份有限公司 | A kind of data display device based on passenger flow counting instrument |
| CN111169378A (en) * | 2020-01-22 | 2020-05-19 | 浙江吉利汽车研究院有限公司 | Vehicle overload detection method, system and device |
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Application publication date: 20120530 |