JPH049368U - - Google Patents
Info
- Publication number
- JPH049368U JPH049368U JP5029390U JP5029390U JPH049368U JP H049368 U JPH049368 U JP H049368U JP 5029390 U JP5029390 U JP 5029390U JP 5029390 U JP5029390 U JP 5029390U JP H049368 U JPH049368 U JP H049368U
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- temperature
- outdoor
- indoor
- vehicle
- 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
- 239000003507 refrigerant Substances 0.000 claims 2
- 238000010257 thawing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Description
第１，２図は本考案の一実施例を示す回路図、
第３図は従来のヒートポンプサイクルの模式図で
ある。
７……キースイツチ、８……キーリレー、９…
…タイマ、９ａ……限時接点、１０……リレー、
１１……冷房用サーモスタツト、１２……暖房用
サーモスタツト、１３……サーモスタツト、１４
……リレー、１５……四方弁、１６……接触器。
Figures 1 and 2 are circuit diagrams showing an embodiment of the present invention;
FIG. 3 is a schematic diagram of a conventional heat pump cycle. 7...Key switch, 8...Key relay, 9...
...Timer, 9a...Time-limited contact, 10...Relay,
11... Cooling thermostat, 12... Heating thermostat, 13... Thermostat, 14
... Relay, 15 ... Four-way valve, 16 ... Contactor.
Claims (1)
風機、室外送風機、膨張機構よりなるヒートポン
プ空調装置において、室代熱交内の冷媒温度を検
知するサーモスタツトを設け、このサーモスタツ
トと運転台のキースイツチおよびキーリレーとを
連動せしめ、車両の折り返し点において、室外熱
交内の冷媒温度が一定温度以下になつた時のみ除
霜運転を実施する回路を設けたことを特徴とする
車両用ヒートポンプ空調装置。 In a heat pump air conditioner consisting of a compressor, an outdoor heat exchanger, a four-way valve, an indoor heat exchanger, an indoor blower, an outdoor blower, and an expansion mechanism, a thermostat is installed to detect the refrigerant temperature in the indoor heat exchanger, and the operation A heat pump for a vehicle, characterized in that it is provided with a circuit that operates in conjunction with a key switch and a key relay, and performs defrosting operation only when the temperature of the refrigerant in the outdoor heat exchanger falls below a certain temperature at the turning point of the vehicle. Air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5029390U JPH049368U (en) | 1990-05-16 | 1990-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5029390U JPH049368U (en) | 1990-05-16 | 1990-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049368U true JPH049368U (en) | 1992-01-28 |
Family
ID=31568714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5029390U Pending JPH049368U (en) | 1990-05-16 | 1990-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010234945A (en) * | 2009-03-31 | 2010-10-21 | Hitachi Ltd | Heat pump air conditioning device for railway vehicle |
| JP2015104932A (en) * | 2013-11-28 | 2015-06-08 | 三菱電機株式会社 | Air conditioner for vehicle |
-
1990
- 1990-05-16 JP JP5029390U patent/JPH049368U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010234945A (en) * | 2009-03-31 | 2010-10-21 | Hitachi Ltd | Heat pump air conditioning device for railway vehicle |
| JP2015104932A (en) * | 2013-11-28 | 2015-06-08 | 三菱電機株式会社 | Air conditioner for vehicle |