JPH01106864U - - Google Patents
Info
- Publication number
- JPH01106864U JPH01106864U JP167188U JP167188U JPH01106864U JP H01106864 U JPH01106864 U JP H01106864U JP 167188 U JP167188 U JP 167188U JP 167188 U JP167188 U JP 167188U JP H01106864 U JPH01106864 U JP H01106864U
- Authority
- JP
- Japan
- Prior art keywords
- switching regulator
- rest period
- period adjustment
- terminal
- temperature
- 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 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/021—Control thereof
- F25B2321/0212—Control thereof of electric power, current or voltage
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案による温度制御回路の一実施例
を示すブロツク図、第２図は本考案の他の実施例
を示すブロツク図、第３図はスイツチングレギユ
レータの休止期間調整端子の電位に対するスイツ
チングレギユレータの電流スイツチングのデユー
テイの特性を示す図、第４図は従来の温度制御回
路の一例を示すブロツク図、第５図はペルチエ素
子の構造図、第６図は温度検出素子の温度に対す
る抵抗値の特性を示す図である。
１……スイツチングレギユレータ、２……休止
期間調整端子、３……出力端子、５……ペルチエ
素子、６……温度検出素子、７……基準電圧入力
端子、８……抵抗電圧変換回路、９……クランプ
回路、１０……トランジスタ。
FIG. 1 is a block diagram showing one embodiment of the temperature control circuit according to the present invention, FIG. 2 is a block diagram showing another embodiment of the present invention, and FIG. 3 is a block diagram showing the rest period adjustment terminal of the switching regulator. Figure 4 is a block diagram showing an example of a conventional temperature control circuit. Figure 5 is a structural diagram of a Peltier element. Figure 6 is a temperature detection diagram. FIG. 3 is a diagram showing the characteristics of resistance value versus temperature of an element. 1... Switching regulator, 2... Resistance period adjustment terminal, 3... Output terminal, 5... Peltier element, 6... Temperature detection element, 7... Reference voltage input terminal, 8... Resistance voltage conversion Circuit, 9...clamp circuit, 10...transistor.
Claims (1)
期間調整端子を有しかつ出力端子がペルチエ素子
の一方に接続されるスイツチングレギユレータと
、前記ペルチエ素子に接近して設置され温度によ
り抵抗値が変化する温度検出素子と、この温度検
出素子の端子間電圧と比較する基準電圧入力端子
を有する抵抗電圧変換回路とを設け、この抵抗電
圧変換回路に前記休止期間調整端子が接続されて
構成される温度制御回路において、前記スイツチ
ングレギユレータの休止期間調整端子にクランプ
回路が接続されることを特徴とする温度制御回路
。 A switching regulator having a rest period adjustment terminal for controlling the duty of current switching and having an output terminal connected to one of the Peltier elements, and a switching regulator installed close to the Peltier element whose resistance value changes depending on the temperature. A temperature control circuit comprising a detection element and a resistance voltage conversion circuit having a reference voltage input terminal for comparison with the voltage between the terminals of the temperature detection element, and the rest period adjustment terminal is connected to the resistance voltage conversion circuit. 2. A temperature control circuit according to claim 1, wherein a clamp circuit is connected to a rest period adjustment terminal of the switching regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP167188U JPH01106864U (en) | 1988-01-12 | 1988-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP167188U JPH01106864U (en) | 1988-01-12 | 1988-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106864U true JPH01106864U (en) | 1989-07-19 |
Family
ID=31201759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP167188U Pending JPH01106864U (en) | 1988-01-12 | 1988-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007150231A (en) * | 2005-10-27 | 2007-06-14 | Denso Corp | Thermoelectric converter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57111712A (en) * | 1980-12-29 | 1982-07-12 | Fujitsu Ltd | Control circuit for voltage applied to heater |
| JPS604679B2 (en) * | 1976-12-16 | 1985-02-05 | セイコーインスツルメンツ株式会社 | Pulse motor rotation monitoring device |
-
1988
- 1988-01-12 JP JP167188U patent/JPH01106864U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS604679B2 (en) * | 1976-12-16 | 1985-02-05 | セイコーインスツルメンツ株式会社 | Pulse motor rotation monitoring device |
| JPS57111712A (en) * | 1980-12-29 | 1982-07-12 | Fujitsu Ltd | Control circuit for voltage applied to heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007150231A (en) * | 2005-10-27 | 2007-06-14 | Denso Corp | Thermoelectric converter |