JPH0197161U - - Google Patents
Info
- Publication number
- JPH0197161U JPH0197161U JP19144787U JP19144787U JPH0197161U JP H0197161 U JPH0197161 U JP H0197161U JP 19144787 U JP19144787 U JP 19144787U JP 19144787 U JP19144787 U JP 19144787U JP H0197161 U JPH0197161 U JP H0197161U
- Authority
- JP
- Japan
- Prior art keywords
- compressor
- detecting
- flow rate
- cooling evaporator
- control valve
- 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
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
第１図はこの考案のクレーム対応図、第２図は
この考案の一実施例の車両用冷凍装置の全体構成
図、第３図は第２図の冷凍装置における冷蔵庫単
独モードの制御動作を示すフローチヤート、第４
図は従来の車両用冷凍装置の全体構成図である。
１……メインの冷媒配管、３……コンプレツサ
、５……コンデンサ、９……冷房用電磁弁（流量
制御弁）、１３……冷房用エバポレータ、１９…
…制御回路（第１検出手段、停止手段、タイマ）
、２０……回転数検出器（第２検出手段）、２２
……外気温センサ（第２検出手段）、２３……冷
蔵庫ユニツト、２５……サブの冷媒配管、３７…
…冷却板（冷蔵庫用エバポレータ）。
Fig. 1 is a complaint correspondence diagram of this invention, Fig. 2 is an overall configuration diagram of a vehicle refrigeration system according to an embodiment of this invention, and Fig. 3 shows a control operation of the refrigerator-only mode in the refrigeration system of Fig. 2. Flowchart, 4th
The figure is an overall configuration diagram of a conventional vehicular refrigeration system. 1... Main refrigerant piping, 3... Compressor, 5... Condenser, 9... Cooling solenoid valve (flow control valve), 13... Cooling evaporator, 19...
...Control circuit (first detection means, stop means, timer)
, 20... Rotation speed detector (second detection means), 22
...Outside temperature sensor (second detection means), 23...Refrigerator unit, 25...Sub refrigerant piping, 37...
...Cooling plate (refrigerator evaporator).
Claims (1)
、冷房用エバポレータを備えてサイクル構成し、
サブの冷媒配管を介して前記冷房用エバポレータ
と並列に介設した冷蔵庫用エバポレータを備えて
なる冷蔵庫ユニツトを設け、前記冷房用エバポレ
ータへの流量を制御する流量制御弁を設け、前記
コンプレツサを所定の過負荷条件で停止させる停
止手段を設け、前記流量制御弁による制御流量が
所定値を下回ることを検出する第１検出手段を設
け、前記コンプレツサ稼働によるコンデンサでの
放熱能力を検出する第２検出手段を設け、前記第
１検出手段の検出時に第２検出手段の検出する放
熱能力が所定値を上回るとき前記停止手段による
コンプレツサ停止時間を延長するタイマを設けた
ことを特徴とする車両用冷凍装置。 The main refrigerant piping is equipped with a compressor, condenser, and cooling evaporator to form a cycle.
A refrigerator unit including a refrigerator evaporator interposed in parallel with the cooling evaporator via a sub-refrigerant pipe is provided, a flow control valve for controlling the flow rate to the cooling evaporator is provided, and the compressor is operated at a predetermined level. A stop means for stopping the operation under an overload condition is provided, a first detection means is provided for detecting that the flow rate controlled by the flow rate control valve falls below a predetermined value, and a second detection means is provided for detecting the heat dissipation capacity of the condenser due to the operation of the compressor. A refrigeration system for a vehicle, characterized in that a timer is provided for extending the compressor stop time by the stopping means when the heat dissipation capacity detected by the second detecting means exceeds a predetermined value at the time of detection by the first detecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19144787U JPH0197161U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19144787U JPH0197161U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197161U true JPH0197161U (en) | 1989-06-28 |
Family
ID=31482358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19144787U Pending JPH0197161U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197161U (en) |
-
1987
- 1987-12-18 JP JP19144787U patent/JPH0197161U/ja active Pending
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