JPH01112372U - - Google Patents
Info
- Publication number
- JPH01112372U JPH01112372U JP580588U JP580588U JPH01112372U JP H01112372 U JPH01112372 U JP H01112372U JP 580588 U JP580588 U JP 580588U JP 580588 U JP580588 U JP 580588U JP H01112372 U JPH01112372 U JP H01112372U
- Authority
- JP
- Japan
- Prior art keywords
- gas refrigerator
- frequency
- output
- refrigerator
- gas
- 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
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
第１図はこの考案の一実施例を示す概略図、第
２図は従来のガス冷凍機の駆動装置の概略図であ
る。
図において１は正弦波発振器、２はアナログパ
ワーアンプ、３はガス冷凍機、４は磁気回路、５
はコイル、６はピストン、７は冷却器、８は蓄熱
器、９は位相検出器、１０は振幅増巾器、１１は
正弦波可変発振器、１２はコイル電流を検出す
る電流検出器、１３はオンオフ制御できるデイジ
タルパワーアンプ、１４は電流共振回路、はコ
イル５に流れる電流である。なお、図中同一ある
いは相当部分には同一符号を付して示してある。
FIG. 1 is a schematic diagram showing an embodiment of this invention, and FIG. 2 is a schematic diagram of a conventional drive device for a gas refrigerator. In the figure, 1 is a sine wave oscillator, 2 is an analog power amplifier, 3 is a gas refrigerator, 4 is a magnetic circuit, and 5
is a coil, 6 is a piston, 7 is a cooler, 8 is a heat storage device, 9 is a phase detector, 10 is an amplitude amplifier, 11 is a sine wave variable oscillator, 12 is a current detector that detects the coil current, 13 is a A digital power amplifier that can be turned on and off; 14 is a current resonance circuit; and 14 is a current flowing through the coil 5. It should be noted that the same or corresponding parts in the figures are indicated by the same reference numerals.
Claims (1)
たガス冷凍機の駆動装置において、ガス冷凍機が
動作しやすい固有振動数を持つ周波数近辺に設定
でき、かつＤＣ電圧で発振周波数が変化できるＡ
Ｃ可変発振器と、ガス冷凍機を励振するため前記
ＡＣ可変発振器出力に従い、オンオフ制御できる
パワーアンプと、前記パワーアンプ出力をガス冷
凍機が具備する固有振動数とほぼ等しい点で電流
共振を起すことができる共振回路と、前記ガス冷
凍機の駆動コイルに流れる電流を検出、増幅する
電流検出器と、ガス冷凍機の駆動コイルの端子電
圧と前記電流検出器出力を位相比較する位相検出
器と、この位相検出器出力のＤＣ電圧を周波数調
整し、増幅する振幅増幅器と、前記スターリング
サイクルエンジンの熱力学サイクル動作で、低温
空間を構成しうる能力を持つガス冷凍機とを具備
したことを特徴とするガス冷凍機の駆動装置。 In a gas refrigerator drive device that uses the principle of a Stirling cycle engine, the frequency can be set near the natural frequency at which the gas refrigerator can easily operate, and the oscillation frequency can be changed by DC voltage A.
A C variable oscillator, a power amplifier that can be turned on and off according to the output of the AC variable oscillator to excite the gas refrigerator, and the power amplifier output causes current resonance at a point approximately equal to the natural frequency of the gas refrigerator. a current detector that detects and amplifies the current flowing through the drive coil of the gas refrigerator; and a phase detector that compares the phase of the terminal voltage of the drive coil of the gas refrigerator and the output of the current detector; The present invention is characterized by comprising an amplitude amplifier that frequency-adjusts and amplifies the DC voltage output from the phase detector, and a gas refrigerator capable of forming a low-temperature space through the thermodynamic cycle operation of the Stirling cycle engine. A drive device for a gas refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP580588U JPH01112372U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP580588U JPH01112372U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01112372U true JPH01112372U (en) | 1989-07-28 |
Family
ID=31209495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP580588U Pending JPH01112372U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01112372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230061A (en) * | 1989-03-01 | 1990-09-12 | Daikin Ind Ltd | Free displacer type stirling freezer |
-
1988
- 1988-01-20 JP JP580588U patent/JPH01112372U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230061A (en) * | 1989-03-01 | 1990-09-12 | Daikin Ind Ltd | Free displacer type stirling freezer |
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