JPS6367856U - - Google Patents
Info
- Publication number
- JPS6367856U JPS6367856U JP16097186U JP16097186U JPS6367856U JP S6367856 U JPS6367856 U JP S6367856U JP 16097186 U JP16097186 U JP 16097186U JP 16097186 U JP16097186 U JP 16097186U JP S6367856 U JPS6367856 U JP S6367856U
- Authority
- JP
- Japan
- Prior art keywords
- bridge circuit
- absolute humidity
- temperature
- resistor
- switch
- 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 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案に係る絶対湿度検知装置の回路
図、第２図は本考案に係る絶対湿度検知装置を備
えた電子レンジの構成を示す概略図、第３図はセ
ンサの断面図、第４図はブリツジ回路図である。
９……絶対湿度検知装置、１２……制御部、９
７……限流抵抗、９８……スイツチ、９９……ブ
リツジ回路、９９１ａ，９９１ｂ……温度検出素
子、９９２，９９３……抵抗。
FIG. 1 is a circuit diagram of an absolute humidity detection device according to the present invention, FIG. 2 is a schematic diagram showing the configuration of a microwave oven equipped with an absolute humidity detection device according to the present invention, and FIG. 3 is a sectional view of the sensor. Figure 4 is a bridge circuit diagram. 9...Absolute humidity detection device, 12...Control unit, 9
7... Current limiting resistor, 98... Switch, 99... Bridge circuit, 991a, 991b... Temperature detection element, 992, 993... Resistor.
Claims (1)
出素子と、この２個の温度検出素子と対辺関係に
ある２個の抵抗とからなるブリツジ回路を備え、
このブリツジ回路の出力端子から絶対湿度に応じ
た信号を出力する絶対湿度検知装置において、前
記ブリツジ回路への通電電流を制限する抵抗と、 該抵抗をその閉成にて短絡するスイツチと、 該スイツチを予め開成しておきブリツジ回路に
通電させた後にスイツチを閉成してブリツジ回路
に通電させる制御部と、 を備えたことを特徴とする絶対湿度検知装置。 ２ 前記２個の温度検出素子は、温度上昇に従つ
て抵抗値が大きくなる特性を有する実用新案登録
請求の範囲第１項記載の絶対湿度検知装置。 ３ 前記２個の温度検出素子は白金抵抗体である
実用新案登録請求の範囲第１項記載の絶対湿度検
知装置。[Claims for Utility Model Registration] 1. A bridge circuit comprising two temperature detection elements that detect temperature by resistance change and two resistors on opposite sides of the two temperature detection elements,
This absolute humidity detection device outputs a signal according to absolute humidity from the output terminal of the bridge circuit, and includes: a resistor that limits the current flowing to the bridge circuit; a switch that short-circuits the resistor when the resistor is closed; An absolute humidity detection device comprising: a control unit that opens a switch in advance, energizes the bridge circuit, and then closes a switch to energize the bridge circuit. 2. The absolute humidity detecting device according to claim 1, wherein the two temperature detecting elements have a characteristic that the resistance value increases as the temperature rises. 3. The absolute humidity detection device according to claim 1, wherein the two temperature detection elements are platinum resistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16097186U JPS6367856U (en) | 1986-10-20 | 1986-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16097186U JPS6367856U (en) | 1986-10-20 | 1986-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6367856U true JPS6367856U (en) | 1988-05-07 |
Family
ID=31086856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16097186U Pending JPS6367856U (en) | 1986-10-20 | 1986-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6367856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665855U (en) * | 1993-02-22 | 1994-09-16 | 株式会社芝浦電子製作所 | Humidity detector |
-
1986
- 1986-10-20 JP JP16097186U patent/JPS6367856U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665855U (en) * | 1993-02-22 | 1994-09-16 | 株式会社芝浦電子製作所 | Humidity detector |