JPS6338022A - Hygrometer for vehicle - Google Patents
Hygrometer for vehicleInfo
- Publication number
- JPS6338022A JPS6338022A JP17997886A JP17997886A JPS6338022A JP S6338022 A JPS6338022 A JP S6338022A JP 17997886 A JP17997886 A JP 17997886A JP 17997886 A JP17997886 A JP 17997886A JP S6338022 A JPS6338022 A JP S6338022A
- Authority
- JP
- Japan
- Prior art keywords
- thermistor
- sensing element
- humidity
- water
- tank
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 abstract description 6
- 230000004043 responsiveness Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/02—Moistening ; Devices influencing humidity levels, i.e. humidity control
- B60H3/022—Moistening ; Devices influencing humidity levels, i.e. humidity control for only humidifying the air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は車両用湿度測定装置に係り、特に、車両用空調
機に用いるに好適な車両用湿度測定装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a vehicle humidity measuring device, and particularly to a vehicle humidity measuring device suitable for use in a vehicle air conditioner.
従来、車両用空調機の温度センサと１．て一般的に、多
孔質セラミックや電解質湿度センサが用いられていた。Conventionally, temperature sensors for vehicle air conditioners and 1. Generally, porous ceramic or electrolyte humidity sensors have been used.
これらのセンサを用いたものとじては、例えば実開昭５
７−２１９４７号に記載されているものが知られている
。Examples of devices using these sensors include, for example, the
The one described in No. 7-21947 is known.
上記従来技術では、多孔質セラミックを用いたセンサの
ときには定期的にセンサを加熱してクリーニングする必
要があり、また電解質湿度センサの場合には応答性が遅
いという不具合があった。In the above-mentioned prior art, there is a problem that when a sensor uses porous ceramic, it is necessary to periodically heat and clean the sensor, and when an electrolyte humidity sensor is used, the response is slow.
また高分子湿度センサも用いられているが、このセンサ
の場合には保護膜を必要とするため、電解質湿度センサ
のものと同様応答性が悪いという不具合があった。Polymer humidity sensors have also been used, but because they require a protective film, they have the same problem as electrolyte humidity sensors of poor responsiveness.
本発明は、前記従来の課題に鑑みてなされたものであり
、その目的は、定期的に加熱してクリーニングすること
なくかつ応答性の早い車両用湿度測定装置を提供するこ
とにある。The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to provide a humidity measuring device for a vehicle that does not require periodic heating and cleaning and has quick response.
前記目的を達成するために、本発明は、車室内の空気の
温度に感応する感温素子と、感温素子の表面を覆う吸水
部材と、水と貯留するタンクと、タンク内の水を吸水部
材まで導く毛細管と、感温素子の出力を電気信号に変換
し、該電気信号を基に車室内の湿度を算出する演算器と
、感温素子の周囲に送風する送風機とを有する車両用湿
度測定装置を構成したものである。In order to achieve the above object, the present invention provides a temperature sensing element that is sensitive to the temperature of air inside a vehicle, a water absorption member that covers the surface of the temperature sensing element, a tank that stores water, and a water absorption member that absorbs water in the tank. A humidity sensor for a vehicle that includes a capillary tube that leads to the component, a computing unit that converts the output of the temperature sensing element into an electrical signal and calculates the humidity in the vehicle interior based on the electrical signal, and a blower that blows air around the temperature sensing element. This constitutes a measuring device.
タンク内の水を毛細管を介して給水部材まで導き感温素
子の周囲を湿らせる。さらに送風機から感温素子の周囲
に送風し感温素子の応答性を早め、この感温素子の出力
を基に車室内の温度を算出する。これにより応答性の早
い湿度を測定することができる。The water in the tank is guided through the capillary tube to the water supply member to moisten the area around the temperature sensing element. Furthermore, a blower blows air around the temperature sensing element to speed up the response of the temperature sensing element, and the temperature inside the vehicle is calculated based on the output of this temperature sensing element. This makes it possible to measure humidity with quick response.
以下、本発明の実施例を図面に基づいて詳細に説明する
。Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図には、本発明の好適な実施例の構成が示されてい
る。第１図において、ボディ１によって通風炉が形成さ
れており、このボディ１にはフィルタ２．フィルタカバ
ー３．アスピレータ４．モータ５．サーミスタ６が装置
されている。サーミスタ６は温度測定用の感温素子とし
て機能しており、定電圧回路１７から抵抗Ｒｚを介して
電力が供給されており、サーミスタ６の出力が演算器と
してのマイクロコンピュータ１９に供給されるようにな
っている。FIG. 1 shows the configuration of a preferred embodiment of the present invention. In FIG. 1, a ventilation furnace is formed by a body 1, and a filter 2. Filter cover 3. Aspirator 4. Motor 5. A thermistor 6 is installed. The thermistor 6 functions as a temperature-sensing element for temperature measurement, and is supplied with power from the constant voltage circuit 17 via the resistor Rz, so that the output of the thermistor 6 is supplied to the microcomputer 19 as an arithmetic unit. It has become.
また、ボディ１には金網パイプ１２が装着されており、
この金網パイプ１２の端部にはパイプ１１が装着されて
いる。このパイプ１１内には毛細管１０が挿入されてい
る。そしてパイプ１１と毛細管１０がそれぞれタンク７
内に挿入されている。このタンク７内にはキャップ８を
介して水が注入されており、タンク７内の水が毛細管１
０を介して金網パイプ１２まで導かれるようになってい
る。金網パイプ１２内には吸水部材としての脱脂綿１３
が装着されており、この脱脂綿１３内には湿度検出用の
サーミスタ１４が挿入されている。In addition, a wire mesh pipe 12 is attached to the body 1,
A pipe 11 is attached to the end of this wire mesh pipe 12. A capillary tube 10 is inserted into this pipe 11. The pipe 11 and the capillary tube 10 are respectively connected to the tank 7.
inserted inside. Water is injected into this tank 7 through a cap 8, and the water in the tank 7 flows through a capillary tube 1.
0 to the wire mesh pipe 12. Absorbent cotton 13 as a water absorption member is placed inside the wire mesh pipe 12.
A thermistor 14 for detecting humidity is inserted into the absorbent cotton 13.
このため、サーミスタ１４の表面には毛細管１０によっ
て汲み上げられた水が脱脂綿１３を介して付着されるよ
うになっている。このサーミスタ１４には定電圧回路１
７．抵抗Ｒｚを介して電力が供給されており、サーミス
タ１４の出力がマイクロコンピュータ１９に供給される
ようになっている。またサーミスタ１４は通風路中に挿
入されているため、送風機としてのアスピレータファン
４が作動するとサーミスタ１４の周囲に風が当たり、サ
ーミスタ１４の表面に付着した水が蒸発しやすくなって
いる。なお、サーミスタ６および１４はそれぞれ電源線
１６に接続されており、電源線１５．１６はそれぞれバ
ッテリに接続されている。Therefore, the water pumped up by the capillary tube 10 is attached to the surface of the thermistor 14 via the absorbent cotton 13. This thermistor 14 has a constant voltage circuit 1
7. Power is supplied through the resistor Rz, and the output of the thermistor 14 is supplied to the microcomputer 19. Furthermore, since the thermistor 14 is inserted into the ventilation path, when the aspirator fan 4 as a blower operates, wind blows around the thermistor 14, making it easier for water adhering to the surface of the thermistor 14 to evaporate. Note that the thermistors 6 and 14 are each connected to a power line 16, and the power lines 15 and 16 are each connected to a battery.
マイクロコンピュータ１９はＣＰＵ、ＲＯＭ。The microcomputer 19 is a CPU and a ROM.
ＲＡＭなどを有し、サーミスタ６．１４の検出出力を電
気信号に変換し、電気信号を基に車室内の温度と湿度を
算出することができるようになっている。It has a RAM, etc., converts the detection output of the thermistor 6.14 into an electrical signal, and can calculate the temperature and humidity inside the vehicle based on the electrical signal.
以上の構成において、湿度を測定する場合には、モータ
５を回してサーミスタ１４周囲の風速を約３ ｍ ／
Ｓｅｅになるように設定すれば、サーミスタ１４の周囲
に付着した水が素速く蒸発しサーミスタ１４の応答性を
高めることができる。In the above configuration, when measuring humidity, the motor 5 is rotated to adjust the wind speed around the thermistor 14 to approximately 3 m/min.
If the temperature is set so that the temperature is set to 1, the water attached around the thermistor 14 will quickly evaporate, and the responsiveness of the thermistor 14 can be improved.
また、本実施例においては、サーミスタ６とサーミスタ
１４の出力を基に温度と湿度を測定するようにしている
ため、これらサーミスタ６．１４の出力を基に相対湿度
を求めることもできる。このため、相対湿度から空調機
を除湿制御すべきか加湿すべきかの判定をおこなうこと
ができ、車室内の湿度を２０〜６０％に制御することが
可能となる。また加湿用の水はタンク７内の水を利用す
れば加湿用の水の有無を点検する手間を省くことができ
る。Further, in this embodiment, since the temperature and humidity are measured based on the outputs of thermistors 6 and 14, the relative humidity can also be determined based on the outputs of these thermistors 6 and 14. Therefore, it is possible to determine whether the air conditioner should be dehumidified or humidified based on the relative humidity, and it is possible to control the humidity in the vehicle interior to 20 to 60%. Furthermore, if the water in the tank 7 is used as the humidifying water, it is possible to save the trouble of checking the presence or absence of the humidifying water.
また、アスピレータファン４は空調装置を動作させて３
０分間動作させ、その後１０分ごとに動かしモータ５の
通電電流を減らしたり、水９の消費量を低減したりすれ
ば、湿度測定装置を追加したための電力や水の消費量を
減らすことも可能である。In addition, the aspirator fan 4 operates the air conditioner and
By operating for 0 minutes and then moving every 10 minutes to reduce the current applied to the motor 5 and reduce the consumption of water 9, it is also possible to reduce the consumption of electricity and water due to the addition of a humidity measuring device. It is.
以上説明したように、本発明によれば、湿度測定用の感
温素子を加熱によるセルフクリーニングを必要としない
構成とするとともに湿度測定用感温素子の周囲に付着し
た水を迅速に蒸発させるようにしたため、応答性の向上
を図ることができる。As explained above, according to the present invention, the temperature sensing element for humidity measurement has a structure that does not require self-cleaning by heating, and the water attached around the temperature sensing element for humidity measurement can be quickly evaporated. This makes it possible to improve responsiveness.
第１図は本発明の一実施例を示す構成図である。
４・・・アスピレータファン、５・・・モータ、６，１
４・・・サーミスタ、７・・・タンク、１ｏ・・・毛細
管、１３・・・脱脂綿・・・１９・・・マイクロコンピ
ュータ。FIG. 1 is a block diagram showing an embodiment of the present invention. 4... Aspirator fan, 5... Motor, 6,1
4... Thermistor, 7... Tank, 1o... Capillary tube, 13... Absorbent cotton... 19... Microcomputer.
Claims (1)
子の表面を覆う吸水部材と、水を貯留するタンクと、タ
ンク内の水を吸水部材まで導く毛細管と、感温素子の出
力を電気信号に変換し、該電気信号を基に車室内の湿度
を算出する算出器と、感温素子の周囲に送風する送風機
と、を有することを特徴とする車両用湿度測定装置。1. A temperature sensing element that senses the temperature of the air inside the vehicle, a water absorption member that covers the surface of the temperature sensing element, a tank that stores water, a capillary tube that guides the water in the tank to the water absorption member, and a water absorption member that controls the output of the temperature sensing element. A vehicle humidity measuring device comprising: a calculator that converts the humidity into an electrical signal and calculates the humidity inside the vehicle based on the electrical signal; and a blower that blows air around a temperature sensing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17997886A JPS6338022A (en) | 1986-08-01 | 1986-08-01 | Hygrometer for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17997886A JPS6338022A (en) | 1986-08-01 | 1986-08-01 | Hygrometer for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6338022A true JPS6338022A (en) | 1988-02-18 |
Family
ID=16075311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17997886A Pending JPS6338022A (en) | 1986-08-01 | 1986-08-01 | Hygrometer for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338022A (en) |
-
1986
- 1986-08-01 JP JP17997886A patent/JPS6338022A/en active Pending
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