JPH0188372U - - Google Patents
Info
- Publication number
- JPH0188372U JPH0188372U JP18337587U JP18337587U JPH0188372U JP H0188372 U JPH0188372 U JP H0188372U JP 18337587 U JP18337587 U JP 18337587U JP 18337587 U JP18337587 U JP 18337587U JP H0188372 U JPH0188372 U JP H0188372U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- switch
- circuit
- refrigerating machine
- contact
- 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
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
第１図は本考案の要部たるロータリー圧縮機の
始動制御回路に電源が異相で印加された状態を示
す回路図、第２図は同始動制御回路に電源が正相
で印加された状態を示す回路図、そして第３図は
従来の始動制御回路を示す図である。
図中、１：ロータリー圧縮機、２：電磁接触器
、３ａ：防露ヒータ、５：逆相防止器、１０：相
切替用のスイツチ。
Figure 1 is a circuit diagram showing a state in which power is applied in different phases to the starting control circuit of a rotary compressor, which is the main part of the present invention, and Figure 2 is a circuit diagram showing a state in which power is applied in positive phase to the starting control circuit. FIG. 3 is a diagram showing a conventional starting control circuit. In the figure, 1: rotary compressor, 2: electromagnetic contactor, 3a: anti-dew heater, 5: reverse phase preventer, 10: switch for phase switching.
Claims (1)
イルを励磁しないで三相２００Ｖ用ロータリー圧
縮機を始動しないようになつている逆相防止器と
、異相の切替えを行なう相切替スイツチと、防露
ヒータ用の単相１００Ｖ回路および前記電磁接触
器のコイルを含む回路の開閉を行なう冷凍機スイ
ツチを含む前記圧縮機の始動制御回路を備えた冷
凍もしくは冷蔵シヨーケースにおいて、前記相切
替スイツチの接片と共に前記冷凍機スイツチの接
片を同時に操作するようにそれらのスイツチは一
体に構成され、前記冷凍機スイツチの接片はいず
れの接点に接しても回路を閉じるようになつてい
ることを特徴とする冷凍冷蔵シヨーケース。 A reverse phase preventer prevents the three-phase 200V rotary compressor from starting without exciting the magnetic contactor coil when power is applied in different phases, a phase changeover switch that switches between different phases, and In a freezing or refrigerating case equipped with a single-phase 100V circuit for a dew heater and a start control circuit for the compressor including a refrigerator switch that opens and closes a circuit including a coil of the electromagnetic contactor, a contact piece of the phase changeover switch is provided. and the refrigerating machine switch are integrally configured so that the contact pieces of the refrigerating machine switch can be operated simultaneously, and the contact piece of the refrigerating machine switch closes the circuit when it comes into contact with any of the contacts. A frozen and refrigerated case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18337587U JPH0522773Y2 (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18337587U JPH0522773Y2 (en) | 1987-12-01 | 1987-12-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0188372U true JPH0188372U (en) | 1989-06-12 |
| JPH0522773Y2 JPH0522773Y2 (en) | 1993-06-11 |
Family
ID=31474797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18337587U Expired - Lifetime JPH0522773Y2 (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522773Y2 (en) |
-
1987
- 1987-12-01 JP JP18337587U patent/JPH0522773Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522773Y2 (en) | 1993-06-11 |
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