JPS6453879U - - Google Patents
Info
- Publication number
- JPS6453879U JPS6453879U JP14867387U JP14867387U JPS6453879U JP S6453879 U JPS6453879 U JP S6453879U JP 14867387 U JP14867387 U JP 14867387U JP 14867387 U JP14867387 U JP 14867387U JP S6453879 U JPS6453879 U JP S6453879U
- Authority
- JP
- Japan
- Prior art keywords
- motors
- blowers
- switch circuit
- series
- parallel
- 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
- 238000010257 thawing Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Defrosting Systems (AREA)
Description
第１図は本考案の一実施例を示す送風機モータ
の制御回路図、第２図は除霜用電熱器の電気回路
図、第３図は従来の送風機モータの制御回路図、
第４図はシヨーケースの一例の側断面図である。
図中、１：ケース本体、３：通風路、４：冷却
器、５，６：送風機、５ａ，６ａ：送風機モータ
、１６：スイツチ回路、１７：リレースイツチ。
Fig. 1 is a control circuit diagram of a blower motor showing an embodiment of the present invention, Fig. 2 is an electric circuit diagram of an electric heater for defrosting, and Fig. 3 is a control circuit diagram of a conventional blower motor.
FIG. 4 is a side sectional view of an example of the show case. In the figure, 1: case body, 3: ventilation path, 4: cooler, 5, 6: blower, 5a, 6a: blower motor, 16: switch circuit, 17: relay switch.
Claims (1)
に冷却器および複数の送風機が配置されている冷
凍もしくは冷蔵シヨーケースにおいて、各前記送
風機のモータを冷却運転時には並列接続に且つ除
霜時には直列接続にするため前記モータの接続を
並列から直列にまたはその逆に切替え得るスイツ
チ回路を含むことを特徴とする冷凍冷蔵シヨーケ
ース。 (2) 前記スイツチ回路の切替えは励磁コイルに
よつて作動されるリレースイツチで行なわれる実
用新案登録請求の範囲第１項記載の冷凍冷蔵シヨ
ーケース。[Claims for Utility Model Registration] (1) In a freezing or refrigerating case in which a cooler and a plurality of blowers are arranged in a ventilation passage provided in the case body, the motors of each of the blowers are connected in parallel during cooling operation. and a switch circuit capable of switching the connection of the motors from parallel to series or vice versa in order to connect the motors in series during defrosting. (2) The refrigerator/freezer case according to claim 1, wherein the switch circuit is switched by a relay switch operated by an excitation coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14867387U JPS6453879U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14867387U JPS6453879U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6453879U true JPS6453879U (en) | 1989-04-03 |
Family
ID=31420203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14867387U Pending JPS6453879U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453879U (en) |
-
1987
- 1987-09-29 JP JP14867387U patent/JPS6453879U/ja active Pending
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