JPH03107316U - - Google Patents
Info
- Publication number
- JPH03107316U JPH03107316U JP1610290U JP1610290U JPH03107316U JP H03107316 U JPH03107316 U JP H03107316U JP 1610290 U JP1610290 U JP 1610290U JP 1610290 U JP1610290 U JP 1610290U JP H03107316 U JPH03107316 U JP H03107316U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- radiator
- hydraulic oil
- air conditioner
- 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
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims 18
- 230000001105 regulatory effect Effects 0.000 claims 4
- 239000010724 circulating oil Substances 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 1
Description
第１図及び第３図は本考案の第１実施例を示す
もので、第１図は車両用空気調和装置の回路図、
第２図は従来の車両用空気調和装置の回路図、第
３図は車両用空気調和装置の設置状態を示す概略
構成図、第４図は本考案の第２実施例の要部を示
す回路図、第５図は本考案の第３実施例の要部を
示す回路図、第６図は本考案の第４実施例の要部
を示す回路図、第７図は本考案の第５実施例の要
部を示す回路図、第８図は本考案の第６実施例の
要部を示す回路図、第９図は本考案の第７実施例
の要部を示す回路図、第１０図は本考案の第８実
施例の要部を示す回路図である。
図中、３０……油タンク、３１ａ，３１ｂ……
油圧ポンプ、３２……油圧モータ、３３ａ〜３３
ｅ……リリーフバルブ、３４……放熱器、３５ａ
〜３５ｄ……電磁弁、３６，４５……クラツチ機
構、３７……可変絞りバルブ、３８……発熱オリ
フイス、３９ｂ……バイパス管、３９ｃ……二方
弁、３９ｄ……サーモスタツト、４０……圧縮機
、４４……蒸発器、５２……空調風路、Ｃ……油
圧回路、Ｄ……冷凍回路。
1 and 3 show a first embodiment of the present invention, and FIG. 1 is a circuit diagram of a vehicle air conditioner;
Figure 2 is a circuit diagram of a conventional vehicle air conditioner, Figure 3 is a schematic configuration diagram showing the installation state of the vehicle air conditioner, and Figure 4 is a circuit diagram showing the main parts of a second embodiment of the present invention. Fig. 5 is a circuit diagram showing the main part of the third embodiment of the present invention, Fig. 6 is a circuit diagram showing the main part of the fourth embodiment of the invention, and Fig. 7 is a circuit diagram showing the main part of the fourth embodiment of the invention. FIG. 8 is a circuit diagram showing the main parts of the sixth embodiment of the present invention; FIG. 9 is a circuit diagram showing the main parts of the seventh embodiment of the present invention; FIG. 10 FIG. 2 is a circuit diagram showing a main part of an eighth embodiment of the present invention. In the figure, 30...oil tank, 31a, 31b...
Hydraulic pump, 32...Hydraulic motor, 33a-33
e...Relief valve, 34...Radiator, 35a
~35d... Solenoid valve, 36, 45... Clutch mechanism, 37... Variable throttle valve, 38... Heat generating orifice, 39b... Bypass pipe, 39c... Two-way valve, 39d... Thermostat, 40... Compressor, 44... Evaporator, 52... Air conditioning air path, C... Hydraulic circuit, D... Refrigeration circuit.
Claims (1)
とを有する油圧回路と、蒸発器を空調風路中に配
置した冷凍回路とを備え、該冷凍回路の圧縮機を
油圧モータに連結した車両用空気調和装置におい
て、 前記油圧モータと前記放熱器にそれぞれ別個の
第１及び第２油圧ポンプにて作動油を供給すると
ともに、該放熱器を前記空調風路中に設け、 前記放熱器側の第２油圧ポンプは前記油圧モー
タに連結するとともに、該油圧モータと前記圧縮
機及び該第２油圧ポンプとを連結或いは解除する
第１及び第２クラツチ機構を設け、 前記油圧回路には、前記第２油圧ポンプと前記
放熱器との間に位置し作動油に圧力差を生じさせ
るバルブと、該バルブへの作動油の流れを規制或
いは解除する第１切換え手段を設けた ことを特徴とする車両用空気調和装置。 (2) バルブを圧力差を調整できる可変リリーフ
バルブにて構成した ことを特徴とする請求項(1)記載の車両用空気調
和装置。 (3) バルブの作動油の流量を制御する可変絞り
バルブを設けた ことを特徴とする請求項(1)記載の車両用空気調
和装置。 (4) 可変リリーフバルブへの作動油の流量を制
御する可変絞りバルブを設けた ことを特徴とする請求項(2)記載の車両用空気調
和装置。 (5) バルブを圧力差の異なる複数のリリーフバ
ルブにて構成するとともに、該各リリーフバルブ
を放熱器と第２油圧ポンプとの間に並列に挿入し
、該各リリーフバルブに択一的に作動油を流通さ
せる第２切換え手段を設けた ことを特徴とする請求項(1)記載の車両用空気調
和装置。 (6) 油圧モータと作動油の熱を放出する放熱器
とを有する油圧回路と、蒸発器を空調風路中に配
置した冷凍回路とを備え、該冷凍回路の圧縮機を
油圧モータに連結した車両用空気調和装置におい
て、 前記油圧モータと前記放熱器にそれぞれ別個の
第１及び第２油圧ポンプにて作動油を供給すると
ともに、該放熱器を前記空調風路中に設け、 前記放熱器側の第２油圧ポンプは前記油圧モー
タに連結するとともに、該油圧モータと前記圧縮
機及び該第２油圧ポンプとを連結或いは解除する
第１及び第２クラツチ機構を設け、 前記油圧回路には、前記第２油圧ポンプと前記
放熱器との間に位置し作動油に圧力差を生じさせ
る発熱オリフイスと、流量差のある複数の開閉バ
ルブからなり該各開閉バルブを開閉することによ
り該発熱オリフイスへの作動油の流量を制御する
流量制御手段と、該流量制御手段への作動油の流
通を規制或いは解除する第１切換え手段とを設け
たことを特徴とする車両用空気調和装置。 (7) 各開閉バルブへの作動油の流量を制御する
可変絞りバルブを設けた ことを特徴とする請求項(6)記載の車両用空気調
和装置。 (8) 油圧モータと作動油の熱を放出する放熱器
とを有する油圧回路と、蒸発器を空調風路中に配
置した冷凍回路とを備え、該冷凍回路の圧縮機を
油圧モータに連結した車両用空気調和装置におい
て、 前記油圧モータと前記放熱器にそれぞれ別個の
第１及び第２油圧ポンプにて作動油を供給すると
ともに、該放熱器を前記空調風路中に設け、 前記放熱器側の第２油圧ポンプは前記油圧モー
タに連結するとともに、該油圧モータと前記圧縮
機及び該第２油圧ポンプとを連結或いは解除する
第１及び第２クラツチ機構を設け、 前記油圧回路には、前記放熱器の下流側と前記
第２油圧ポンプの吸入側とを連結するバイパス管
を設けるとともに、該第２油圧ポンプと該放熱器
との間に位置し作動油に圧力差を生ぜしめる発熱
オリフイスと、該発熱オリフイスへの作動油の流
量を規制或いは解除する第１切換え手段と、該放
熱器から流出した作動油の該バイパス管への流通
を規制或いは解除する第２切換え手段と、作動油
の温度に基づき設定温度に達していないときは該
第２切換え手段により該バイパス管へ作動油を流
通させる制御手段とを設けた ことを特徴とする車両用空気調和装置。[Scope of Claim for Utility Model Registration] (1) A hydraulic circuit having a hydraulic motor and a radiator that releases heat from hydraulic oil, and a refrigeration circuit in which an evaporator is disposed in an air conditioning air passage, In a vehicle air conditioner in which a compressor is connected to a hydraulic motor, hydraulic oil is supplied to the hydraulic motor and the radiator using separate first and second hydraulic pumps, and the radiator is connected to the air conditioning air path. A second hydraulic pump on the side of the radiator is connected to the hydraulic motor, and first and second clutch mechanisms are provided for connecting or disconnecting the hydraulic motor, the compressor, and the second hydraulic pump. , the hydraulic circuit includes a valve located between the second hydraulic pump and the radiator to create a pressure difference in the hydraulic oil, and a first switching means for regulating or canceling the flow of the hydraulic oil to the valve. A vehicle air conditioner characterized by being provided with. (2) The vehicle air conditioner according to claim (1), wherein the valve is a variable relief valve that can adjust the pressure difference. (3) The air conditioner for a vehicle according to claim (1), further comprising a variable throttle valve that controls the flow rate of hydraulic oil in the valve. (4) The vehicle air conditioner according to claim (2), further comprising a variable throttle valve that controls the flow rate of hydraulic oil to the variable relief valve. (5) The valve is configured with a plurality of relief valves having different pressure differences, each relief valve is inserted in parallel between the radiator and the second hydraulic pump, and each relief valve is selectively activated. The air conditioner for a vehicle according to claim 1, further comprising a second switching means for circulating oil. (6) A hydraulic circuit including a hydraulic motor and a radiator that releases heat from hydraulic oil, and a refrigeration circuit in which an evaporator is disposed in an air conditioning air passage, and the compressor of the refrigeration circuit is connected to the hydraulic motor. In the air conditioner for a vehicle, hydraulic oil is supplied to the hydraulic motor and the radiator by separate first and second hydraulic pumps, and the radiator is provided in the air conditioning air passage, and the radiator is provided on the radiator side. The second hydraulic pump is connected to the hydraulic motor, and is provided with first and second clutch mechanisms for connecting or disconnecting the hydraulic motor, the compressor, and the second hydraulic pump, and the hydraulic circuit is connected to the hydraulic circuit. It consists of a heat-generating orifice located between the second hydraulic pump and the radiator to create a pressure difference in the hydraulic oil, and a plurality of on-off valves with different flow rates.By opening and closing each of the on-off valves, the heat-generating orifice is An air conditioner for a vehicle, comprising: a flow rate control means for controlling the flow rate of hydraulic oil; and a first switching means for regulating or canceling the flow of the hydraulic oil to the flow rate control means. (7) The vehicle air conditioner according to claim (6), further comprising a variable throttle valve that controls the flow rate of hydraulic oil to each opening/closing valve. (8) A hydraulic circuit including a hydraulic motor and a radiator that releases heat from hydraulic oil, and a refrigeration circuit in which an evaporator is disposed in an air conditioning air passage, and the compressor of the refrigeration circuit is connected to the hydraulic motor. In the air conditioner for a vehicle, hydraulic oil is supplied to the hydraulic motor and the radiator by separate first and second hydraulic pumps, and the radiator is provided in the air conditioning air passage, and the radiator is provided on the radiator side. The second hydraulic pump is connected to the hydraulic motor, and is provided with first and second clutch mechanisms for connecting or disconnecting the hydraulic motor, the compressor, and the second hydraulic pump, and the hydraulic circuit is connected to the hydraulic circuit. A bypass pipe connecting the downstream side of the radiator and the suction side of the second hydraulic pump is provided, and a heat generating orifice is provided between the second hydraulic pump and the radiator to create a pressure difference in the hydraulic oil. , a first switching means for regulating or canceling the flow of hydraulic oil to the heat generating orifice; a second switching means for regulating or canceling the flow of hydraulic oil flowing out from the radiator to the bypass pipe; An air conditioner for a vehicle, comprising: control means for causing hydraulic oil to flow to the bypass pipe by the second switching means when the set temperature has not been reached based on the temperature.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1610290U JPH03107316U (en) | 1990-02-20 | 1990-02-20 | |
| DE4033551A DE4033551A1 (en) | 1989-10-23 | 1990-10-22 | Air-conditioning system for vehicle with rotary cab - includes radiator valve opened for heating or dehumidification, or both, but closed for air-cooling mode |
| US07/601,354 US5085269A (en) | 1989-10-23 | 1990-10-23 | Hydraulically driven heating and air conditioning system for vehicles such as mobile cranes |
| GB9023015A GB2237870B (en) | 1989-10-23 | 1990-10-23 | Air conditioning system for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1610290U JPH03107316U (en) | 1990-02-20 | 1990-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107316U true JPH03107316U (en) | 1991-11-05 |
Family
ID=31519388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1610290U Pending JPH03107316U (en) | 1989-10-23 | 1990-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107316U (en) |
-
1990
- 1990-02-20 JP JP1610290U patent/JPH03107316U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4786643B2 (en) | Air conditioning | |
| US6422308B1 (en) | Heat pump type air conditioner for vehicle | |
| EP1039250B1 (en) | Refrigerating cycle with a by-pass line | |
| JP2007532851A5 (en) | ||
| JPS63104209U (en) | ||
| EP0737839A3 (en) | Heat pump type air conditioner using circulating-fluid branching passage | |
| US5524819A (en) | Expansion and check valve combination | |
| US3273799A (en) | Automotive booster heater | |
| JPH03107316U (en) | ||
| JP2966597B2 (en) | Two-way solenoid valve | |
| JPS63279063A (en) | Simultaneous air-conditioning method at plurality of position | |
| US5092521A (en) | Heater system for the passenger compartment of a motor vehicle | |
| JP2752899B2 (en) | Vehicle air conditioner | |
| US4180234A (en) | Pneumatically operated valve with a manually operated back-up displacing mechanism | |
| JPH0363404U (en) | ||
| JPH01150081A (en) | Solenoid valve | |
| GB2127182A (en) | An arrangement for regulating the flow of heat transfer medium flowing through a heat exchange element | |
| JP3097220B2 (en) | Engine driven air conditioner | |
| JPS63275865A (en) | Double stage reducing valve | |
| JP3326322B2 (en) | Air conditioner and air conditioner system equipped with this air conditioner | |
| JP3282391B2 (en) | Vehicle fuel cooling system | |
| JP3984779B2 (en) | Refrigeration cycle | |
| CN116792970A (en) | Heat pump system and control method thereof | |
| JPS6039726Y2 (en) | air conditioner | |
| JPS62186012A (en) | Cooling fan drive control device for vehicle |