CN203657932U - Frequency output type multifunctional sensor - Google Patents
Frequency output type multifunctional sensor Download PDFInfo
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- CN203657932U CN203657932U CN201320796393.2U CN201320796393U CN203657932U CN 203657932 U CN203657932 U CN 203657932U CN 201320796393 U CN201320796393 U CN 201320796393U CN 203657932 U CN203657932 U CN 203657932U
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- 230000035807 sensation Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000004378 air conditioning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model is applied to the field of a vehicle-mounted sensor, and provides a frequency output type multifunctional sensor. The frequency output type multifunctional sensor comprises a housing. The housing is internally provided with a thermistor assembly, a humidity-sensitive capacitor assembly, a light-sensitive assembly, and a system control circuit which is connected with the thermistor assembly, the humidity-sensitive capacitor assembly and the light-sensitive assembly. The system control circuit is also connected with a connector. According to the utility model, the thermistor assembly, the humidity-sensitive resistor assembly and the light-sensitive assembly are arranged in the same housing to form a multifunctional sensor which is simultaneously provided with a temperature detection function, a humidity detection function and a light intensity detection function, the multifunctional sensor provided by the utility model is convenient to install and does not occupy too much space of an instrument desk, besides, wire harnesses are concentrated, the wiring is convenient, the sensor fault probability is reduced, the detection precision is high, the service life is long, and a more comfortable environment can be provided for people in a vehicle.
Description
Technical field
The utility model onboard sensor field, relates in particular to a kind of frequency output type Multifunction Sensor.
Background technology
In existing automobile air conditioner control system, generally only has temperature sensor, even if there is humidity sensor, temperature sensor is also to separate independently with humidity sensor, because these two kinds of sensors are installed and worked independently separately, make transducer sensitivity low, car load wire harness complexity, take Auto Instrument desk space, increase the complexity of instrument desk shape-designing and mould, so not only increase installation cost, sensor failure probability also increases, and, humidity sensor generally adopts resistive humidity sensor, its measuring accuracy, range, operating temperature range, antistatic, dirt exclusion capabilities is limited, and stability and reliability are not good, make the temperature data of sensor output inaccurate, affect air-conditioner control system and adjust effect.Simultaneously, current automobile air conditioner control system is adjusted through row environment inside car according to vehicle interior temperature, humidity, but under actual conditions, occupant's comfort level is relevant with intensity of illumination in car, current onboard sensor cannot be exported intensity signal in car, make automobile air conditioner control system that vehicle interior temperature, humidity and light intensity are combined and carry out environment inside car adjustment, occupant cannot be in optimal comfort state.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of frequency output type Multifunction Sensor, be intended to solve in existing automobile air conditioner control system the technical matters that onboard sensor installation cost is high, failure rate is high, measurement result is inaccurate, cannot adjust environment inside car in conjunction with vehicle interior temperature, humidity and light intensity.
The utility model is to realize like this, a kind of frequency output type Multifunction Sensor, comprise housing, the system, control circuit that is provided with thermistor component, humicap assembly, light sensation assembly in described housing and is connected with described thermistor component, humicap assembly, light sensation assembly, described system, control circuit is also connected with plug connector.
Further, described Multifunction Sensor comprises housing, the system, control circuit that is provided with thermistor component, humicap assembly, light sensation assembly in described housing and is connected with described thermistor component, humicap assembly, light sensation assembly, described system, control circuit is also connected with plug connector.
Further, described photosensitive components comprises light activated element and light guide member, and the light-sensitive surface of described light activated element is placed towards compartment direction in space.
Further, described light activated element pin two ends are parallel with an open circuit protection element, and the negative pole pin of described light activated element is in series with a short circuit protection component.
Further, described open circuit protection element and short circuit protection component are rated resistance.
Further, described plug connector comprises six stitch, is respectively that temperature is exported stitch, stitch, humidity power supply stitch, humidity output stitch, light intensity power supply stitch, light intensity are exported stitch altogether.
Further, described housing comprises upper-lower casing, and described upper-lower casing connects with buckle mode or ultrasonic soldering mode.
Further, described lower house both sides are provided with the installation earhole for Multifunction Sensor being installed on to Auto Instrument desk.
Further, described plug connector is arranged on described lower house afterbody.
The beneficial effects of the utility model are: in technical solutions of the utility model, thermistor component, humicap assembly and light sensation assembly are arranged in same housing, form a Multifunction Sensor, have temperature, humidity, light intensity test function, on the one hand, the Multifunction Sensor that the utility model provides is easy for installation simultaneously, can not take the too much space of instrument desk, and wire harness is concentrated, cabling is convenient, has reduced probability of sensor failure; On the other hand, Multifunction Sensor has adopted humicap assembly, compared to hygristor assembly, it has higher precision, wider range, wider operating temperature range, response time, better antistatic, the ability of preventing dust, resist various corrosive gass, higher stability and reliability faster; The third aspect, due to Multifunction Sensor can output temperature, humidity and light intensity data, make automotive control system adjust environment inside cars in conjunction with these three key elements, more comfortable environment inside car is provided.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the Multifunction Sensor that provides of the utility model embodiment;
Fig. 2 is the stereographic map of the Multifunction Sensor that provides of the utility model embodiment;
Fig. 3 is the left view of the Multifunction Sensor that provides of the utility model embodiment;
Fig. 4 is the scheme of installation of the Multifunction Sensor that provides of the utility model embodiment;
Fig. 5 is the structural drawing of the light sensation assembly that provides of the utility model embodiment;
Fig. 6 is the Multifunction Sensor housing assembling schematic diagram that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
For technical scheme described in the utility model is described, describe below by specific embodiment.
Fig. 1 is the schematic diagram of the frequency output type Multifunction Sensor that provides of the utility model embodiment, Fig. 2 is the stereographic map of Multifunction Sensor, Fig. 3 is the rear view of Multifunction Sensor, only shows for convenience of explanation the part relevant to the utility model embodiment.
With reference to Fig. 1-Fig. 3, the Multifunction Sensor that the present embodiment provides comprises housing 1, the system, control circuit 5 that is provided with thermistor component 2, humicap assembly 3, light sensation assembly 4 in described housing 1 and is connected with described thermistor component 2, humicap assembly 3, light sensation assembly 4, described system, control circuit 5 is also connected with plug connector 6.
In the present embodiment, thermistor component 2, humicap assembly 3 and light sensation assembly 4 are placed in same housing 1, described thermistor is a kind of temperature sensor, the temperature transition detecting can be become to corresponding signal output, described thermistor can NTC type thermistor or other types, and the present embodiment is not done concrete restriction.Described humicap is a kind of moisture sensor device, the humidity detecting can be converted to corresponding frequency signal output, the corresponding different humidity of different frequency, compared to hygristor, humicap has higher precision (± 1%RH), wider range (1～99%RH), wider operating temperature range (60 ℃～140 ℃), response time (≤5S) faster, better antistatic, dustproof, resist the ability of various corrosive gass, higher stability and reliability (drift value 0.5%RH/), therefore make the accuracy of detection of the Multifunction Sensor that the present embodiment provides, scope is higher, longer service life.Described light sensation assembly 4 is a kind of optical sensor parts, the light intensity data detecting can be converted to corresponding signal output.Described system, control circuit 5 is control modules of Multifunction Sensor inside, be used for controlling each device work, described system, control circuit 5 is connected with plug connector 6, in use, described plug connector 6 is wired to automobile air conditioner control system, like this, automobile air conditioner control system just can receive and come from the signal that thermistor component 2, humicap assembly 3 and light sensation assembly 4 are exported, and according to these three signals, environment inside car is carried out to corresponding regulation and control.
Enumerate as a kind of example, described plug connector 6 comprises six stitch, is respectively that temperature is exported stitch, stitch, humidity power supply stitch, humidity output stitch, light intensity power supply stitch, light intensity are exported stitch altogether.Described temperature output stitch output voltage signal proportional to environment inside car temperature, described humidity output stitch output frequency signal proportional to environment inside car humidity, described humidity power supply stitch receive from automobile air conditioner control system+5V voltage signal, be used to humicap assembly that power supply is provided, described light intensity power supply stitch receive from automobile air conditioner control system+5V voltage signal, be used to light sensation assembly that power supply is provided, described light intensity output stitch output intensity data-signal.
In the present embodiment, thermistor component 2 is for detection of the temperature regime in car, and humicap assembly 3 is for detection of humidity conditions in car, and described light sensation assembly 4 is for detection of intensity of illumination in car.When concrete use, as shown in Figure 4, Multifunction Sensor 100 is installed on Auto Instrument desk 200, and plug connector is docked with automobile air conditioner control system, on the Multifunction Sensor that the present embodiment provides, adopt passive air intake structure, sensor is not with fan, Multifunction Sensor 100 is positioned at air-conditioning duct 300 1 sides, in figure, the direction of arrow is airflow direction, in the time having Air Flow in air channel, make the inner negative pressure that produces of sensor housing, air in car enters sensor housing by instrument desk grid, make thermistor component and humicap assembly can accurately respond to rapidly vehicle interior temperature and humidity conditions, in addition, light sensation assembly 4 can also be exported corresponding light intensity signal according to intensity of illumination in car, automobile air conditioner control system integrated temperature signal, moisture signal and light intensity signal are adjusted environment inside car.Such as in the time temperature being detected higher than preset temperature, increase air conditioning for automobiles power and increase air output, when air humidity in car is higher than 75% time, in car, airborne moisture will progressively condense into frost, and coagulate on the larger car inwall of the temperature difference, have a strong impact on driver's front sight line, now, automobile air conditioner control system detects that in car, air humidity exceeds standard, and carries out defrost operation, and according to the temperature inside and outside car, reasonably automatically regulate vehicle interior temperature and air conditioning air exhaust amount; In the time that light intensity is greater than preset value in car, increase air conditioning exhausting amount etc.
As a kind of structure of light sensation assembly 4, as shown in Figure 5, described light sensation assembly 4 comprises light filter 41 and at least one photosensitive components 42 with light transmission function, and described light filter 41 is arranged in the sensitive volume of described photosensitive components 42, and described photosensitive components is connected to described system, control circuit.Described photosensitive components 42 comprises light activated element 421 and light guide member 422, and the light-sensitive surface of described light activated element is placed towards compartment direction in space.Preferably; described light activated element 421 pin two ends are parallel with an open circuit protection element 423; the negative pole pin of described light activated element 421 is in series with a short circuit protection component 424, and described open circuit protection element 423 and short circuit protection component 424 are rated resistance, guarantees the serviceable life of light activated element.
In the time that concrete generation is manufactured, as shown in Figure 6, described housing 1 comprises upper shell 11 and lower house 12, described upper-lower casing connects by buckle mode, upper-lower casing can be produced in batches, after lower house inside installs all devices, lower house 12 is fastened on to upper shell 11, upper-lower casing just can be fixed as one easily like this, has facilitated production and the maintenance of Multifunction Sensor.Certainly, this buckle connected mode is that a kind of example of the present embodiment is enumerated, and can also adopt other connected modes, such as upper-lower casing connects by ultrasonic soldering, repeats no more herein.In use, Multifunction Sensor 100 need to be inserted on Auto Instrument desk 200, and Multifunction Sensor 100 is positioned at air-conditioning duct 300 1 sides, as a kind of specific implementation, described lower house 12 both sides are provided with the installation earhole 101 for Multifunction Sensor being installed on to Auto Instrument desk, passing described installation earhole 101 with screw is fixed on Multifunction Sensor on Auto Instrument desk, certainly also can adopt other mounting meanss, such as, by buckle mode, Multifunction Sensor is fixed on Auto Instrument desk, described plug connector is arranged on described lower house afterbody.
The Multifunction Sensor that the present embodiment provides is a kind of frequency output type temperature humidity light intensity Multifunction Sensor that is applicable to automobile air conditioner control system, this sensor can improve the sensitivity of sensor greatly, reduce the complexity of instrument desk shape-designing and mould, reduce installation cost and crash rate, and measuring accuracy is accurate, long service life, has improved environment inside car timely and reasonably, reduce driver's driving risk, improve comfort level by bus.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a frequency output type Multifunction Sensor, it is characterized in that, described Multifunction Sensor comprises housing, the system, control circuit that is provided with thermistor component, humicap assembly, light sensation assembly in described housing and is connected with described thermistor component, humicap assembly, light sensation assembly, described system, control circuit is also connected with plug connector.
2. frequency output type Multifunction Sensor as claimed in claim 1, is characterized in that, described light sensation assembly comprises light filter and at least one photosensitive components with light transmission function, and described photosensitive components is connected to described system, control circuit.
3. frequency output type Multifunction Sensor as claimed in claim 2, is characterized in that, described photosensitive components comprises light activated element and light guide member, and the light-sensitive surface of described light activated element is placed towards compartment direction in space.
4. frequency output type Multifunction Sensor as claimed in claim 3, is characterized in that, described light activated element pin two ends are parallel with an open circuit protection element, and the negative pole pin of described light activated element is in series with a short circuit protection component.
5. frequency output type Multifunction Sensor as claimed in claim 4, is characterized in that, described open circuit protection element and short circuit protection component are rated resistance.
6. frequency output type Multifunction Sensor as described in claim 1-5 any one, it is characterized in that, described plug connector comprises six stitch, is respectively that temperature is exported stitch, stitch, humidity power supply stitch, humidity output stitch, light intensity power supply stitch, light intensity are exported stitch altogether.
7. frequency output type Multifunction Sensor as claimed in claim 6, is characterized in that, described housing comprises upper-lower casing, and described upper-lower casing connects with buckle mode or ultrasonic soldering mode.
8. frequency output type Multifunction Sensor as claimed in claim 7, is characterized in that, described lower house both sides are provided with the installation earhole for Multifunction Sensor being installed on to Auto Instrument desk.
9. frequency output type Multifunction Sensor as claimed in claim 8, is characterized in that, described plug connector is arranged on described lower house afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320796393.2U CN203657932U (en) | 2013-12-03 | 2013-12-03 | Frequency output type multifunctional sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320796393.2U CN203657932U (en) | 2013-12-03 | 2013-12-03 | Frequency output type multifunctional sensor |
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| Publication Number | Publication Date |
|---|---|
| CN203657932U true CN203657932U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320796393.2U Expired - Lifetime CN203657932U (en) | 2013-12-03 | 2013-12-03 | Frequency output type multifunctional sensor |
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| Country | Link |
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| CN (1) | CN203657932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084802A (en) * | 2017-04-24 | 2017-08-22 | 中国商用飞机有限责任公司 | Airplane wire harness temperature monitoring equipment |
| WO2022040928A1 (en) * | 2020-08-25 | 2022-03-03 | 深圳市汇顶科技股份有限公司 | Temperature measurement circuit, temperature measurement and light measurement circuit, temperature measurement method, and temperature measurement and light measurement method |
-
2013
- 2013-12-03 CN CN201320796393.2U patent/CN203657932U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084802A (en) * | 2017-04-24 | 2017-08-22 | 中国商用飞机有限责任公司 | Airplane wire harness temperature monitoring equipment |
| WO2022040928A1 (en) * | 2020-08-25 | 2022-03-03 | 深圳市汇顶科技股份有限公司 | Temperature measurement circuit, temperature measurement and light measurement circuit, temperature measurement method, and temperature measurement and light measurement method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |