JPH0439659U - - Google Patents
Info
- Publication number
- JPH0439659U JPH0439659U JP8249290U JP8249290U JPH0439659U JP H0439659 U JPH0439659 U JP H0439659U JP 8249290 U JP8249290 U JP 8249290U JP 8249290 U JP8249290 U JP 8249290U JP H0439659 U JPH0439659 U JP H0439659U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- self
- heating type
- resistance element
- refrigerant
- 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.)
- Granted
Links
- 239000003507 refrigerant Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Air Conditioning Control Device (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図ないし第７図は本実施例に係り、第１図
は空調装置を示す全体構成図、第２図は冷媒貯蔵
タンクを示す平面図、第３図は第２図の冷媒貯蔵
タンクの側面図、第４図は冷媒貯蔵タンクの縦断
面図、第５図は冷媒状態検出センサを拡大して示
す縦断面図、第６図は印加電圧制御回路を示す電
気回路図、第７図は自己発熱型サーミスタの特性
線図、第８図は冷媒状態検出センサを構成するサ
ーミスタおよびハウジングの温度状態を示す特性
線図である。
１３……冷媒状態検出センサ、１４……ハウジ
ング、１６……自己発熱型サーミスタ（自己発熱
型感温抵抗素子）、２０……サーミスタ（感温セ
ンサ）、２４……印加電圧制御回路（印加電圧制
御手段）。
Figures 1 to 7 relate to this embodiment, with Figure 1 being an overall configuration diagram showing the air conditioner, Figure 2 being a plan view showing a refrigerant storage tank, and Figure 3 being a diagram of the refrigerant storage tank shown in Figure 2. 4 is a longitudinal sectional view of the refrigerant storage tank, FIG. 5 is an enlarged longitudinal sectional view of the refrigerant state detection sensor, FIG. 6 is an electric circuit diagram showing the applied voltage control circuit, and FIG. 7 is a longitudinal sectional view of the refrigerant storage tank. FIG. 8 is a characteristic diagram of the self-heating type thermistor showing the temperature state of the thermistor and housing constituting the refrigerant state detection sensor. 13... Refrigerant condition detection sensor, 14... Housing, 16... Self-heating type thermistor (self-heating type temperature sensitive resistance element), 20... Thermistor (temperature sensor), 24... Applied voltage control circuit (applied voltage control means).
Claims (1)
と、該ハウジング内の先端部に設けられ、該ハウ
ジングの外部から電圧を印加されることにより、
前記冷媒の温度を該ハウジングを介して検知する
自己発熱型感温抵抗素子とからなる冷媒状態検出
装置において、前記自己発熱型感温抵抗素子の近
傍に位置して前記ハウジング内に設けられた感温
センサと、該感温センサからの検出信号に基づき
前記自己発熱型感温抵抗素子に外部から印加する
電圧を制御する印加電圧制御手段とを備えたこと
を特徴とする冷媒状態検出装置。 A cylindrical housing is provided in the middle of the refrigerant flow path, and a voltage is applied from the outside of the housing to the tip of the housing.
In the refrigerant state detection device comprising a self-heating type temperature-sensitive resistance element that detects the temperature of the refrigerant through the housing, the refrigerant state detection device includes a self-heating type temperature-sensitive resistance element provided in the housing and located near the self-heating type temperature-sensitive resistance element. A refrigerant state detection device comprising: a temperature sensor; and applied voltage control means for controlling a voltage externally applied to the self-heating type temperature-sensitive resistance element based on a detection signal from the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082492U JPH086211Y2 (en) | 1990-08-03 | 1990-08-03 | Refrigerant condition detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082492U JPH086211Y2 (en) | 1990-08-03 | 1990-08-03 | Refrigerant condition detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0439659U true JPH0439659U (en) | 1992-04-03 |
| JPH086211Y2 JPH086211Y2 (en) | 1996-02-21 |
Family
ID=31629357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990082492U Expired - Lifetime JPH086211Y2 (en) | 1990-08-03 | 1990-08-03 | Refrigerant condition detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH086211Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944613B (en) * | 2021-01-29 | 2022-11-15 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner and air conditioner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53138144A (en) * | 1977-05-06 | 1978-12-02 | Nippon Denso Co Ltd | Insufficient coolant detector |
| JPS63128228A (en) * | 1986-11-18 | 1988-05-31 | Daikin Ind Ltd | Heat detecting element |
-
1990
- 1990-08-03 JP JP1990082492U patent/JPH086211Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53138144A (en) * | 1977-05-06 | 1978-12-02 | Nippon Denso Co Ltd | Insufficient coolant detector |
| JPS63128228A (en) * | 1986-11-18 | 1988-05-31 | Daikin Ind Ltd | Heat detecting element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH086211Y2 (en) | 1996-02-21 |
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