CN106080272A - A kind of station wagon - Google Patents
A kind of station wagon Download PDFInfo
- Publication number
- CN106080272A CN106080272A CN201610499765.3A CN201610499765A CN106080272A CN 106080272 A CN106080272 A CN 106080272A CN 201610499765 A CN201610499765 A CN 201610499765A CN 106080272 A CN106080272 A CN 106080272A
- Authority
- CN
- China
- Prior art keywords
- seat
- station wagon
- logical block
- pressure transducer
- decision circuitry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000005616 pyroelectricity Effects 0.000 description 16
- 230000005669 field effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 108010067216 glycyl-glycyl-glycine Proteins 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- GZXOHHPYODFEGO-UHFFFAOYSA-N triglycine sulfate Chemical compound NCC(O)=O.NCC(O)=O.NCC(O)=O.OS(O)(=O)=O GZXOHHPYODFEGO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Abstract
A kind of station wagon, including some seats, the seat of described seat is provided with pressure transducer, the front of each described seat is provided with pyroelectric sensor, described pressure transducer and pyroelectric sensor are all coupled to decision circuitry, described decision circuitry is used for judging whether passenger takes a seat, it is judged that circuit is coupled to station wagon controller.First, human body is judged to there may be error by single sensor, is so very easy to affect testing result, by arranging two sensors, only two sensors all meet condition, just judge that corresponding occupant takes a seat, so, improve judgement precision, ensure practicality, simultaneously, it is not necessary to guide checks, more convenient and easy to implement.
Description
Technical field
The present invention relates to a kind of station wagon.
Background technology
Take more than 9 people (including operating seat), typically there is square compartment, for carrying passenger and with oneself
The commercial car of luggage, this kind of vehicle is mainly used in public transport and group's transport uses.
Passenger vehicle has monolayer, also has bilayer；Have hinged, also have drawbar trailer type.There are two, single-door, or standby
There is luggage compartment.Most passenger vehicles use Diesel Driven, currently also have pure electric vehicle, all-metal body.Calculate according to number of passengers
The consumed energy and shared path area, mass transportation facilities is than individual vehicle economy, and this is that many countries are preferential sends out
The one of the main reasons of exhibition public transport passenger vehicle.For world wide, car manufacturing and universal ratio are wide, therefore as public
The Coach Manufacture of traffic main body altogether, either from design concept or designing technique, all shows quite ripe, the visitor in Europe
Car technical merit and the capacity of scientific research occupy first place in the world.The designed capacity of Chinese Bus Industry and manufacture level, occupy weight in the world
The position wanted.
At present, the passenger vehicle travelling proportion accounted for of travelling at home is relatively big, a sight spot of often playing, and it is clear to be all that guide carries out number
Point and notice, and particularly double decker coach, be just more difficult to carry out number and check inspection, be so relatively easy to forget at sight spot passenger
In.
Summary of the invention
In view of this, it is an object of the present invention to provide a kind of a kind of station wagon that can take a seat number of passengers with auto inventory.
In order to solve above-mentioned technical problem, the technical scheme is that
A kind of station wagon, including some seats, the seat of described seat is provided with pressure transducer, each described seat
Front is provided with pyroelectric sensor, and described pressure transducer and pyroelectric sensor are all coupled to decision circuitry, described judgement
Circuit is used for judging whether passenger takes a seat, it is judged that circuit is coupled to station wagon controller.First, human body is judged by single sensor
There may be error, be so very easy to affect testing result, by arranging two sensors, only two sensors are the most satisfied
Condition, just judges that corresponding occupant takes a seat, so, improves judgement precision, it is ensured that practicality, simultaneously, it is not necessary to guide
Check, more convenient and easy to implement.
Further, described decision circuitry includes the first logical block and the second logical block, described pyroelectric sensor
Feeding back the first signal to the first logical block, described second logical block includes comparison circuit, when pressure transducer output
During the reference voltage that sampled voltage exports more than described comparison circuit, described pressure transducer output secondary signal is to the second logic
Unit；When the first logical block and the second logical block all receive signal, corresponding decision circuitry exports a count level,
Described station wagon controller receives all count level cumulative output one statistical data.
Further, described second logical block also includes a depositor, preserves current weight when described depositor enables
Value also forms gravimetric value scope, and when the sampled voltage of described pressure transducer meets gravimetric value scope, pressure transducer exports
Secondary signal is to the second logical block；When the sampled voltage of described pressure transducer meets not gravimetric value scope, it is judged that circuit
The seat information that output is corresponding.
Further, described station wagon controller is coupled to the speed feedback module of station wagon, when station wagon rotating speed is more than
During preset value, arbitrary decision circuitry detection passenger all triggers car alarm when not taking a seat and reports to the police.
The technology of the present invention effect major embodiment is in the following areas: first, and human body is judged to there may be by mistake by single sensor
Difference, is so very easy to affect testing result, and by arranging two sensors, only two sensors all meet condition, just sentence
Disconnected corresponding occupant takes a seat, and so, improves judgement precision, it is ensured that practicality, simultaneously, it is not necessary to guide checks,
More convenient and easy to implement.
Accompanying drawing explanation
Fig. 1: present configuration schematic diagram；
Fig. 2: circuit topology figure of the present invention；
Fig. 3: heat discharge prin-ciple figure of the present invention；
Fig. 4: pressure detecting schematic diagram of the present invention.
Reference: 111, pressure transducer；112, pressure reference module；113, pressure comparison module；200, seat；
300, pyroelectric infrared sensor；310, optical filter.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in further detail, so that technical solution of the present invention is more
Should be readily appreciated that and grasp.
Shown in seeing figures.1.and.2, a kind of station wagon, including some seats 200, the seat of described seat 200 is provided with pressure
Force transducer 111, the front of each described seat 200 is provided with pyroelectric sensor, removes beyond the seat 200 of forefront,
The position of pyroelectric sensor installed by the seat 200 of other positions all can be on the back of previous seat 200, and forefront
The corresponding hot pyroelectric sensor installation site of seat 200 can be on windshield, and described pressure transducer 111 and pyroelectricity pass
Sensor is all coupled to decision circuitry, and described decision circuitry is used for judging whether passenger takes a seat, it is judged that circuit is coupled to station wagon control
Device processed.First, human body is judged to there may be error by single sensor, is so very easy to affect testing result, by arranging
Two sensors, only two sensors all meet condition, just judge that corresponding occupant takes a seat, so, improve judgement
Precision, it is ensured that practicality, simultaneously, it is not necessary to guide checks, more convenient and easy to implement.And pressure transducer 111 is pacified
It is contained on base.
Described decision circuitry includes the first logical block and the second logical block, described pyroelectric sensor feedback the first letter
Number to the first logical block, described second logical block includes comparison circuit, when the sampled voltage of pressure transducer 111 output
During the reference voltage exported more than described comparison circuit, described pressure transducer 111 exports secondary signal to the second logical block；
When the first logical block and the second logical block all receive signal, corresponding decision circuitry exports a count level, described
Station wagon controller receives all count level cumulative output one statistical data.
Described second logical block also includes a depositor, preserves current weight value and form weight when described depositor enables
Value scope, when the sampled voltage of described pressure transducer 111 meets gravimetric value scope, pressure transducer 111 exports second
Signal is to the second logical block；When the sampled voltage of described pressure transducer 111 meets not gravimetric value scope, it is judged that circuit is defeated
Go out the seat information of correspondence.
Described station wagon controller is coupled to the speed feedback module of station wagon, when station wagon rotating speed is more than preset value,
Arbitrary decision circuitry detection passenger all triggers car alarm when not taking a seat and reports to the police.
Circuit part is as follows, described pyroelectric infrared sensor 300 optical filter 310, field effect transistor and pyroelectricity element,
Described housing is provided with through hole, and described optical filter 310 is connected in described through hole, described field effect transistor and pyroelectricity element position
In the enclosure interior of described pyroelectric infrared sensor 300, described pyroelectricity element is connected to grid and the ground of described field effect transistor
Between end, the drain electrode of described field effect transistor is connected to the first switch element and second switch unit, and its source electrode is connected to high level.Optics is filtered
The Main Function of mirror 310 is only to allow wavelength infrared ray (Infrared wavelength that human body sends) about 10 μm to pass through, and incite somebody to action
Light, sunlight and other radiation filter, with the interference that suppression is extraneous.Infrared induction source is generally in series or in parallel by two
Pyroelectricity element forms, and the electrode of the two pyroelectricity element is contrary, and two pyroelectricity elements are almost had by ambient background radiation
There is identical effect so that it is the pyroelectric effect of generation is cancelled out each other, and output signal is close to zero.Once You Ren intrusion detection district
In territory, human infrared radiation is focused on by partial mirror, and is received by pyroelectricity element, owing to angle is different, and two panels pyroelectricity
The heat that element receives is different, and pyroelectricity energy is the most different, it is impossible to be completely counterbalanced by, and after treated processing of circuit, output controls letter
Number.Pyroelectric effect is similar to piezoelectric effect, refers to cause the phenomenon of plane of crystal electric charge due to the change of temperature.Pyroelectricity
Infrared sensor 300 is made up of ceramic oxide or piezolectric crystal unit, makes electrode on two surfaces of element, supervises at sensor
When in the range of survey, temperature has the change of △ T, pyroelectric effect can produce electric charge △ Q, the most between electrodes on two electrodes
Produce a faint voltage △ V.Owing to its output impedance is high, a field effect transistor is had to carry out impedance change in the sensor
Change.Produced by pyroelectric effect, electric charge △ Q can be combined by the ion in air and disappear, i.e. constant when ambient temperature-stable
Time, △ T=O, sensor is without output.Human body or the bigger animal of volume have constant body temperature, typically at 37 degree, so meeting
Send the infrared ray about specific wavelength 10 μm, when human body enters detection zone, because human body temperature and ambient temperature have difference, human body
The infrared ray about 10 μm launched gathers infrared induction source (pyroelectricity element) after being strengthened by Fresnel lens optical filter
On, infrared induction source will lose charge balance when receiving human infrared radiation, outwards discharges electric charge, and then produces △ T
And △ T circuit to the periphery is exported.The drain electrode of described field effect transistor is provided with EMI electric capacity with ground end.On the one hand drain electrode can be made to export
Magnitude of voltage close to constant, and its output is susceptible to the impact of magnetic disturbance.Described fet gate is provided with biased electrical with ground end
Resistance.It is current signal owing to electrocaloric effect creates signal, so arranging a resistance by the grid of scene effect pipe with ground end,
Current signal can be converted into voltage signal, and its threshold values turned on can be regulated by the resistance of regulation biasing resistor, the most just
It is the sensitivity of regulation pyroelectric infrared sensor 300, simple in construction, it is easy to accomplish.Realize detection.Pyroelectric infrared sensor
300 include housing, optical filter 310, field effect transistor and pyroelectricity element, and housing is provided with through hole, and optical filter 310 is connected in
In through hole, field effect transistor and pyroelectricity element are positioned at the enclosure interior of pyroelectric infrared sensor 300, and pyroelectricity element is connected to field
Between grid and the ground end of effect pipe, field effect transistor drain electrode is connected to control device, and its source electrode is connected to high level.Field effect transistor drains
It is provided with EMI electric capacity with ground end.Fet gate is provided with biasing resistor with ground end.With reference to shown in Fig. 3 and Fig. 4, can know permissible
Be configured as relay (ka1 and KA1) by the crystal-like upper and lower surface configuration electrode of Barium metatitanate. one, upper surface coated with
Black film, if there being infrared ray to irradiate off and on, its surface temperature rises △ T, and generation is changed by the atomic arrangement of its crystals,
Cause spontaneous polarisation charge, between upper/lower electrode, produce voltage △ U；Its main working parameters has running voltage (conventional heat
Releasing electricity infrared sensor 300 operating voltage range is 3～15V), operation wavelength (usually 7.5～14 μm), source voltage (logical
Be often 0.4～1.1V, R=47k Ω), output signal voltage (typically larger than 2.0V) said two pyroelectricity element PZT series connection sets
Put, wait the material of conventional thermal release electric infra-red ray light-sensitive element to have ceramic oxide and piezoquartz, as Barium metatitanate., lithium tantalate,
The principle of triglycine sulfate and titanium lead plumbate etc., when human body proximity, field effect transistor turns on so that relay coil KA1 obtains electric
Control relay contact closure.Now can control pressure detection circuit by the signal S1 of relay or output to work.
With reference to shown in Fig. 4, described pressure detection circuit 11 includes pressure transducer 111, for induced environment pressure and turn
Turn to force samples voltage；Pressure transducer 111 is set to the pressure transducer 111 that any feedback signal is voltage signal, can
Select different accuracy and the model of detection range according to demand.Pressure reference module 112, is used for providing pressure reference voltage；Institute
State pressure reference module 112 and include being sequentially connected in series the first resistance R11 of setting, the second resistance R12 and the 3rd resistance R13；Described
The node that first resistance R11 and the second resistance R12 couples provides reference voltage.Described 3rd resistance R13 is adjustable resistance.Described
First resistance R11 has been arranged in parallel anti-interference module 114, and described anti-interference module 114 includes the 4th resistance R14 being arranged in series and opens
Closing element Q1, the controlled terminal of described switch element Q1 is coupled to pressure anomaly signal S1.
Pressure comparison module 113, is coupled to pressure transducer 111, when force samples voltage is higher than pressure reference voltage,
Send pressure anomaly signal S3.It includes comparator, and its model elects LM355 as, and its positive input terminal couples pressure reference module
112, negative input end couples pressure tactility apparatus, and its outfan is coupled with the 5th resistance R15 and the 6th resistance R6 being arranged in series, its
Resistance is disposed as 10K Europe, and the node that the 5th resistance R15 and the 6th resistance R6 couples is coupled with NPN pipe, when being output as high level
Time, described NPN pipe turns on, and exports secondary signal S2.
And the function that weight data is deposited, it is simply that base modules is replaced, the data of feedback are deposited, then
By digital-to-analogue conversion output reference signal, this reference electrical signal preferably ranges from value, a level saltus step.
Certainly, being more than the representative instance of the present invention, in addition, the present invention can also have other multiple to be embodied as
The technical scheme that mode, all employing equivalents or equivalent transformation are formed, within all falling within the scope of protection of present invention.
Claims (4)
1. a station wagon, including some seats, it is characterised in that the seat of described seat is provided with pressure transducer, each
The front of described seat is provided with pyroelectric sensor, and described pressure transducer and pyroelectric sensor are all coupled to judge electricity
Road, described decision circuitry is used for judging whether passenger takes a seat, it is judged that circuit is coupled to station wagon controller.
2. station wagon as claimed in claim 1 a kind of, it is characterised in that described decision circuitry includes the first logical block and the
Two logical blocks, described pyroelectric sensor feeds back the first signal to the first logical block, and described second logical block includes
Comparison circuit, when the reference voltage that the sampled voltage of pressure transducer output exports more than described comparison circuit, described pressure
Sensor output secondary signal is to the second logical block；When the first logical block and the second logical block all receive signal,
Corresponding decision circuitry exports a count level, and described station wagon controller receives all count level cumulative output one statistics
Data.
3. a kind of station wagon as claimed in claim 1, it is characterised in that described second logical block also includes a depositor,
Preserve current weight value when described depositor enables and form gravimetric value scope, when the sampled voltage of described pressure transducer meets
During gravimetric value scope, pressure transducer output secondary signal is to the second logical block；Sampled voltage when described pressure transducer
During satisfied not gravimetric value scope, it is judged that the seat information that circuit output is corresponding.
4. a kind of station wagon as claimed in claim 1, it is characterised in that described station wagon controller is coupled to turning of station wagon
Speed feedback module, when station wagon rotating speed is more than preset value, arbitrary decision circuitry detection passenger all triggers vehicle-mounted report when not taking a seat
Alert device is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499765.3A CN106080272A (en) | 2016-06-29 | 2016-06-29 | A kind of station wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499765.3A CN106080272A (en) | 2016-06-29 | 2016-06-29 | A kind of station wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106080272A true CN106080272A (en) | 2016-11-09 |
Family
ID=57214645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610499765.3A Pending CN106080272A (en) | 2016-06-29 | 2016-06-29 | A kind of station wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106080272A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937802A (en) * | 2017-04-13 | 2017-07-11 | 广汉市朗加家居有限公司 | One kind improves sanguimotor intelligent infrared by sitting facility |
| CN110174177A (en) * | 2018-02-19 | 2019-08-27 | 艾普凌科有限公司 | Signal deteching circuit and signal detecting method |
| CN114056461A (en) * | 2020-07-30 | 2022-02-18 | 魏宏帆 | Bicycle with suspension cushion and magnetic force regulation and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100001564A1 (en) * | 2008-07-04 | 2010-01-07 | Kuk-Ki Im | Passenger detection device of automobile |
| CN202453975U (en) * | 2012-01-04 | 2012-09-26 | 浙江吉利汽车研究院有限公司 | System for counting the number of people of buses |
| CN102963328A (en) * | 2012-12-17 | 2013-03-13 | 池云霞 | Counter for school bus |
| CN204895369U (en) * | 2015-07-01 | 2015-12-23 | 中南林业科技大学 | Tourism management is with passenger detection device that takes a seat |
-
2016
- 2016-06-29 CN CN201610499765.3A patent/CN106080272A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100001564A1 (en) * | 2008-07-04 | 2010-01-07 | Kuk-Ki Im | Passenger detection device of automobile |
| CN202453975U (en) * | 2012-01-04 | 2012-09-26 | 浙江吉利汽车研究院有限公司 | System for counting the number of people of buses |
| CN102963328A (en) * | 2012-12-17 | 2013-03-13 | 池云霞 | Counter for school bus |
| CN204895369U (en) * | 2015-07-01 | 2015-12-23 | 中南林业科技大学 | Tourism management is with passenger detection device that takes a seat |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937802A (en) * | 2017-04-13 | 2017-07-11 | 广汉市朗加家居有限公司 | One kind improves sanguimotor intelligent infrared by sitting facility |
| CN110174177A (en) * | 2018-02-19 | 2019-08-27 | 艾普凌科有限公司 | Signal deteching circuit and signal detecting method |
| CN110174177B (en) * | 2018-02-19 | 2023-07-14 | 艾普凌科有限公司 | Signal detection circuit and signal detection method |
| CN114056461A (en) * | 2020-07-30 | 2022-02-18 | 魏宏帆 | Bicycle with suspension cushion and magnetic force regulation and control method |
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Application publication date: 20161109 |
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