CN1513687A - Air-conditioning system of vehicle - Google Patents
Air-conditioning system of vehicle Download PDFInfo
- Publication number
- CN1513687A CN1513687A CNA2003101183961A CN200310118396A CN1513687A CN 1513687 A CN1513687 A CN 1513687A CN A2003101183961 A CNA2003101183961 A CN A2003101183961A CN 200310118396 A CN200310118396 A CN 200310118396A CN 1513687 A CN1513687 A CN 1513687A
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- CN
- China
- Prior art keywords
- cooling water
- refrigerant
- heat
- temperature booster
- heat exchanger
- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00492—Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
- B60H1/005—Regenerative cooling means, e.g. cold accumulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
Abstract
The air conditioning device for the vehicle has a cooler cooling intra-cabin blowout air, a refrigerant circulation route equipped with a compressor compressing the refrigerant cooling the cooler, and a heater circulated by engine cooling water. The air conditioning device for the vehicle performs heat exchanging between the engine cooling water circulating in the heater and the refrigerant circulating in the cooler.
Description
Technical field
The present invention relates to a kind of air conditioning system for vehicle, especially relate to, when vehicle is in appropriate state, can in a/c system, store cold/heat, and when needing, recover a kind of air conditioning system for vehicle of stored energy, thereby saved energy.
Background technology
At present, along with the development that reduces fuel consumption in vehicles, proposed need be in the a/c system of vehicle conserve energy.In this external hybrid automobile or the electronlmobil, because driving engine stop when tickover (hereinafter referred to as " idling stop ") requires a/c system to work under this condition.Because these demands, technique known is the circulating system that a cold storage medium is provided separately therein, and cold is stored in the cold storage medium when vehicle operating, and the cold that the needed cold of air conditioner refrigerating pattern stores during by idling stop provides.In addition, another technique known is to carry out cold by the heater core of using chilled air cools to be placed in the downstream therein to store, cold air wherein is from the evaporator that is arranged on the downstream, and suitably emits the cold (for example JP-A-2001-1750) of storage.
But, in the method for the above-mentioned circulating system that the cold storage medium is provided separately, be necessary to provide a cooler, be used at the cold storage medium and carry out carrying out interchange of heat between the air of air regulation, therefore, have such problem promptly, its volume and quality can be bigger than the interior environment system of routine.In the disclosed said method, store owing to only carry out cold by the cold air that comes from evaporator drier among this external JP-A-2001-1750, so the cold that can store seldom, practicality is very low.
Summary of the invention
An object of the present invention is to provide a kind of air conditioning system for vehicle, it can discharge cold or the heat that is stored in the temperature booster that uses engine cooling water, described temperature booster utilizes the cold of refrigerant in the a/c system and heat and needn't newly add cooler, wherein cooler is used at the cold storage medium and carries out carrying out interchange of heat between the air of air regulation, thereby effectively utilize braking energy in air regulation, guarantee the cooling power when idling stop, and save the energy that is used for air regulation consumption.
Use the air conditioning system for vehicle of claim 1 to realize above-mentioned purpose.Air conditioning system for vehicle according to the present invention has cooling vessel, be used to cool off the air that is blown into vehicle interior, refrigerant circulation loop comprises the compressor of the refrigerant that is used for the compression cooling cooling vessel, and make engine cooling water on-cycle temperature booster, it is characterized in that in temperature booster the on-cycle engine cooling water and in cooling vessel, carry out interchange of heat between the on-cycle refrigerant.In other words, it needn't use the cold air of from evaporator drier, but utilizes the refrigerant in the refrigerant circulation loop to carry out cold storage and heat storage.
In air conditioning system for vehicle, a cooling water heat exchanger is provided, as the device that carries out interchange of heat between engine cooling water and the refrigerant, described refrigerant is arranged in temperature booster, perhaps is arranged in the loop of the engine cooling water that is recycled to temperature booster.In addition, the structure of cooling water heat exchanger can be that the intake section and the exit portion of temperature booster communicates with each other, provide one can in temperature booster, make engine cooling water on-cycle medium circulation loop, as cold storage medium or heat storage medium, and a pump that is used for circulatory mediator is set on the medium circulation loop.
In addition, air conditioning system for vehicle can be constructed like this, on refrigerant circulation loop, be provided with one and be recycled to the refrigerant loop of cooling water heat exchanger, a bypass, and between cooling water heat exchanger circulation loop and bypass circulation, switch the device of a refrigerant flow paths in the refrigerant loop of cooling water heat exchanger.Like this, the refrigerant by the circulating refrigerant loop carries out cold storage and heat storage to cooling water heat exchanger if desired, when when not required, will not be recycled to cooling water heat exchanger by refrigerant.
In addition, air conditioning system for vehicle can be constructed like this, make a/c system have a heat pump that can use cooling vessel as a heating arrangement, by the high-temperature high-pressure refrigerant by compressor compresses is flow in the cooling vessel, in temperature booster, carry out interchange of heat between on-cycle engine cooling water and the refrigerant heat is stored in the temperature booster, and so construct a/c system and make the heat of emitting storage when under situations such as idling stop, lacking the thermal source that is used to heat.
In addition, air conditioning system for vehicle can be constructed like this, make a/c system have a deceleration determinator, be used for measuring or detect vehicle and whether be in deceleration regime, and when vehicle is in deceleration regime, operation said pump, increase are used for carrying out the amount of interchange of heat to be used for cold storage or heat storage between engine cooling water and refrigerant.
In addition, air conditioning system for vehicle can be constructed like this, make a/c system have an idling determinator, be used for measuring or detecting a vehicle being in idling mode or idling stop state, and when vehicle is in idling mode or idling stop state, the operation said pump is emitted cold or heat from temperature booster.
In addition, air conditioning system for vehicle can be constructed like this, make a/c system have a cooling water expansion tank shoutoff mechanism, be used to cut off cooling water path, make the engine cooling water of the warm heat of launched machine can not flow into temperature booster, and the air that needn't add the type of thermal communication subcooler under the strongest refrigerating mode uses the cooling water expansion tank shoutoff mechanism to cut off the cold path that anhydrates, and cold is stored in the engine cooling water in the temperature booster.
In addition, air conditioning system for vehicle can be constructed like this, switching by control refrigerant flow paths shifter, make in common refrigerant circulation, refrigerant only flows into cooling water heat exchanger at the strongest refrigerating mode, in heat pump cycle, when the temperature of cooling water heat exchanger is not higher than preset value, refrigerant usually flows into cooling water heat exchanger, and can not flow into cooling water heat exchanger at other situation refrigerant.
In air conditioning system for vehicle according to the present invention, owing to utilized the refrigerant in the refrigerant circulation loop to carry out in the temperature booster that uses engine cooling water that cold stores or heat stores, make to store lot of energy fast and emit cold or heat becomes possibility from temperature booster when needed.Therefore need in the mono-structure, not add new cooler with at the cold storage medium be used for carrying out interchange of heat between the air of air regulation, and cold stores and the heat storage can to utilize the cold of refrigerant self and heat to carry out effectively in a/c system.Store and the heat storage by this cold, make that effectively the vehicle braked energy being used in air regulation becomes possibility, and guarantee cooling power enough when idling stop, save the energy that air-conditioning consumes when idling.
Therefore, in air conditioning system for vehicle according to the present invention, can use the refrigerant in the refrigerant circulation loop in engine cooling water, to store cold and heat effectively, when lacking low-temperature receiver or thermal source, can provide low-temperature receiver or thermal source for air-conditioning by being released in the cold or the heat that store in the engine cooling water at idling stop.In addition because effectively utilized heat energy, generally can be in a/c system conserve energy.
Description of drawings
Further aspect of the present invention and advantage can be understood from following detailed description to the preferred embodiment of the present invention with reference to the accompanying drawings, wherein:
Fig. 1 is the scheme drawing according to the air conditioning system for vehicle of the embodiment of the invention.
Fig. 2 is the perspective schematic view of the temperature booster in Fig. 1, and shows the loop around temperature booster.
Fig. 3 is the scheme drawing of air conditioning system for vehicle according to another embodiment of the present invention.
The specific embodiment
Fig. 1 shows the schematic structure according to the air conditioning system for vehicle of the embodiment of the invention.Fig. 2 shows the example in the loop of the temperature booster in Fig. 1.In the air conditioning system for vehicle shown in Fig. 1, provide a cooling vessel 6 (evaporator of refrigerant) to be used to cool off the air that is blown into vehicle interior, and be recycled to cooling vessel 6 as the refrigerant in the refrigerant circulation loop 1 of cooling loop, thus cooling cooling vessel 6.A compressor that is used for compressed refrigerant 2, condenser 3, a storage tank dryer 4 are set in refrigerant circulation loop 1 and comprise the throttle mechanism 5 of expansion valve etc.Entrance at air duct 14 (air-conditioning unit) is provided with a supply ventilating fan 15, suction air is blown into vehicle interior, through subcooler 6 with after being arranged on the temperature booster 8 of cooling vessel 6 downstream parts, for example be conditioned by air discharge port as the air of controlled temperature and be in DEF-pattern, VENT-pattern and the FOOT-pattern of aperture separately.One air-blending air door 16 is arranged on the front of temperature booster 8, and temperature booster 8 can be controlled by regulating air-blending air door 16 in the ratio of the air of temperature booster 8 with bypass.Cooler outlet air-temperature pickup 21 is arranged on the outlet side of cooling vessel 6.
As shown in Figure 2, engine cooling water can be recycled to temperature booster 8 through cooling water circulation loop 11, and the amount of supply engine cooling water expansion tank can be controlled by the hydraulic valve 7 of the entrance side that is arranged on temperature booster 8.
In addition, first shoutoff mechanism 12 comprises an opening/closing valve that is arranged on the temperature booster inlet side cooling water circulation loop 11, second shoutoff mechanism 13 is arranged on the exit of temperature booster 8, by these devices, can cut off if desired from starting the engine cooling water-circulating of pusher side to temperature booster 8.
In the present embodiment, a cooling water heat exchanger 25 is arranged on the outlet side of temperature booster 8, with temperature booster 8 one, constructs the cooling water expansion tank that cooling water heat exchanger 25 makes it possible to store therein scheduled volume like this.In addition, in this embodiment, the entrance and exit of temperature booster 8, and the inlet of temperature booster 8 and the cooling water heat exchanger 25 that is arranged on temperature booster 8 outlet sides communicate with each other, and the medium circulation loop 10 that can circulate as the engine cooling water of cold storage medium or heat storage medium is provided.The pump 9 of circulatory mediator is arranged on the medium circulation loop 10.
Can construct like this according to system of the present invention, make it possible in temperature booster 8 on-cycle engine cooling water and cycle through between the refrigerant of cooling vessel 6 carry out interchange of heat.In this embodiment, as illustrated in fig. 1 and 2, refrigerant circulation loop 1 extends through cooling water heat exchanger 25, and can carry out interchange of heat between the cooling water expansion tank in refrigerant and the cooling water heat exchanger 25.In addition, the mobile bypass of refrigerant also is arranged on the refrigerant circulation loop 1 in the bypass circulation 17 of cooling water heat exchanger 25.The refrigerant circulation that enters the refrigerant circulation of cooling water heat exchanger 25 and enter bypass circulation 17 is switched by the refrigerant flow paths shifter, this shifter is made of the 3rd shoutoff mechanism 18 and the 4th shoutoff mechanism 19, and wherein each shoutoff mechanism all comprises opening/closing valve or flow regulating valve.Can cool off or heat on-cycle cooling water expansion tank in cooling water heat exchanger 25, utilize the refrigerant stored energy that is recycled in the cooling water heat exchanger 25 simultaneously, so cold stores and heat stores the possibility that becomes.Temperature sensor 22 is arranged in the cooling water heat exchanger 25, so that can detect the temperature that cold stores or heat stores.
Although cooling water heat exchanger 25 is made of one with temperature booster 8 in the above-described embodiments, as shown in Figure 3, cooling water heat exchanger 25 also can separate with temperature booster 8, is arranged on the position of the outlet side and the close cooling vessel 6 of air pipe 14.
In the air conditioning system for vehicle of like this structure, when being used for cold and storing, by cutting off first shoutoff mechanism 12 and second shoutoff mechanism 13 stores cold in engine cooling water.At this moment, the refrigerant of the cooling vessel 6 of flowing through can be introduced in the cooling water heat exchanger 25 as shown in Figure 1, and refrigerant can be introduced into as shown in Figure 3 after flowing through throttle mechanism 5.Between cooling water expansion tank and refrigerant, carry out interchange of heat, and the cooling water expansion tank in cooling water heat exchanger 25 is cooled.
At the strongest refrigerating mode, open the 3rd shoutoff mechanism 18, close the 4th shoutoff mechanism 19, refrigerant is introduced into cooling water heat exchanger 25.Except the strongest refrigerating mode and the hot water that will cool off driving engine were introduced temperature booster 8 this situations, the 3rd shoutoff mechanism 18 was a closed condition, and the 4th shoutoff mechanism 19 is an open mode, and refrigerant can not be introduced into cooling water heat exchanger 25.Like this, can prevent be cooled water heating of refrigerant, unless when cold stores.
Capable of circulation as the engine cooling water of cold storage medium to medium circulation loop 10.By cutting off first shoutoff mechanism 12 and second shoutoff mechanism 13, cut off from the hot water that starts pusher side (engine cooling water), by recirculated cooling water between temperature booster 8 and medium circulation loop 10, can carry out cold storage and cold and discharge (or heat stores and heat discharges).
When vehicle is in deceleration regime, be increased in the amount of interchange of heat between the cooling water expansion tank in refrigerant and the cooling water heat exchanger 25 by process pump 9.And, by increasing work speed or its quantity discharged of compressor 2, also can utilize the vehicle braked energy to cool off cooling water expansion tank.
When the cooling power of cooling vessel 6 when situations such as idling stop reduce, can discharge the cold that is stored in the cooling water heat exchanger 25 by process pump 9.When vehicle idling does not carry out idling stop, by reducing work speed or its quantity discharged of compressor 2, can reduce the energy that compressor consumes, and discharge the cold that stores by process pump 9.
When being higher than preset value by temperature sensor 22 detected temperature, wherein temperature sensor is used to detect the temperature as the cooling water expansion tank of cold storage medium, switch to routine operation (work speed of compressor is very big in this case, or the actual displacement agent of compression man is very big) from the cold releasing operation.In addition, if in the idling stop process, can move driving engine and guarantee cooling power.
Outside the ratio, the present invention can be applied to a heat pump.That is to say that the present invention can be applied to the heat pump of cooling vessel therein 6 as heating arrangement.In this case, can carry out heat storage and heat discharges.When its temperature of 22 of TEMP is lower than preset value, preferably make refrigerant flow into cooling water heat exchanger 25.
In heat pump, as shown in Figure 1, preferably near with compressor 2 and refrigerant circulation loop 1 that cooling vessel 6 is connected on cooling water heat exchanger 25 is set.If cooling water heat exchanger 25 be set at cooling vessel 6 and refrigerant circulation loop 1 that expansion valve 5 (throttle mechanism) is connected in as shown in Figure 3, the refrigerant of condensation and liquefaction can be heated once more in cooling vessel 6, refrigerant is gasified once more, therefore, this is worthless to heat pump.
Therefore, undertaken by the interchange of heat between the cooling water expansion tank of the refrigerant of refrigerant circulation loop side and temperature booster side that cold stores or heat stores, store a large amount of colds or heat, and cold or heat by emitting storage when needing can effectively utilize temperature booster and carry out air regulation and conserve energy efficiently.
Claims (9)
1. air conditioning system for vehicle, has a cooling vessel that is used to cool off the air that is blown into vehicle interior, a refrigerant circulation loop comprises a compressor that is used for the refrigerant of the described cooling vessel of compression cooling, and temperature booster, engine cooling water is recycled in the described temperature booster, it is characterized in that the described engine cooling water of on-cycle and be recycled between the described refrigerant of described cooling vessel and carry out interchange of heat in described temperature booster.
2. a/c system according to claim 1, it is characterized in that, a cooling water heat exchanger is provided, as the device that between described engine cooling water and described refrigerant, carries out interchange of heat, described refrigerant is arranged on the described temperature booster, perhaps is positioned on the loop of the described engine cooling water that is recycled to described temperature booster.
3. a/c system according to claim 1 and 2, it is characterized in that, an inlet and an outlet of described temperature booster communicate with each other, provide one in described temperature booster, to make described engine cooling water on-cycle medium circulation loop, as cold storage medium or heat storage medium, and a pump that is used for circulatory mediator is set on described medium circulation loop.
4. a/c system according to claim 2, it is characterized in that, on described refrigerant circulation loop, be provided with one and be recycled to the refrigerant loop of described cooling water heat exchanger, a bypass, and between described cooling water heat exchanger circulation loop and described bypass circulation, switch the device of a refrigerant flow paths in the refrigerant loop of described cooling water heat exchanger.
5. a/c system according to claim 1 and 2, it is characterized in that, described a/c system has can use the heat pump of described cooling vessel as heating arrangement, by the high-temperature high-pressure refrigerant by described compressor compresses is flow in the described cooling vessel, by in described temperature booster, carrying out interchange of heat between described engine cooling water of on-cycle and the described refrigerant, heat is stored in the described temperature booster, and so constructs described a/c system and make the heat that discharges described storage when under situations such as idling stop, lacking the thermal source that is used to heat.
6. a/c system according to claim 3, it is characterized in that, described a/c system has a deceleration determinator, be used for measuring or detect a vehicle whether be in deceleration regime, and when vehicle is in deceleration regime, move described pump, increase the amount be used between described engine cooling water and described refrigeration are neat, carrying out interchange of heat to be used for cold and to store or heat stores.
7. a/c system according to claim 3, it is characterized in that, described a/c system has an idling determinator, be used for measuring or detect vehicle and be in idling mode or idling stop state, and when vehicle is in idling mode or idling stop state, move described pump, from described temperature booster, emit cold or heat.
8. a/c system according to claim 1 and 2, it is characterized in that, described a/c system has a cooling water expansion tank shoutoff mechanism, be used to cut off a cooling water path, make the engine cooling water of the warm heat of launched machine can not flow into described temperature booster, and under the strongest refrigerating mode, needn't add the air that type of thermal communication is crossed described cooling vessel, use described cooling water expansion tank shoutoff mechanism to cut off the described cold path that anhydrates, and cold is stored in the engine cooling water in the described temperature booster.
9. a/c system according to claim 4, it is characterized in that, by controlling the switching of described refrigerant flow paths shifter, make in common refrigerant circulation, refrigerant only flows into described cooling water heat exchanger at the strongest refrigerating mode, in heat pump cycle, when the temperature of described cooling water heat exchanger is not higher than preset value, refrigerant usually flows into described cooling water heat exchanger, and can not flow into described cooling water heat exchanger at other situation refrigerant.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002308318A JP2004142551A (en) | 2002-10-23 | 2002-10-23 | Air conditioning device for vehicle |
| JP308318/02 | 2002-10-23 | ||
| JP308318/2002 | 2002-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1513687A true CN1513687A (en) | 2004-07-21 |
| CN100384651C CN100384651C (en) | 2008-04-30 |
Family
ID=32089443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101183961A Expired - Fee Related CN100384651C (en) | 2002-10-23 | 2003-10-23 | Air-conditioning system of vehicle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2004142551A (en) |
| CN (1) | CN100384651C (en) |
| DE (1) | DE10349291A1 (en) |
| FR (1) | FR2846280B1 (en) |
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| CN103287239A (en) * | 2012-03-02 | 2013-09-11 | 汉拏空调株式会社 | Heat pump system for vehicle and method of controlling the same |
| CN103477162A (en) * | 2011-04-13 | 2013-12-25 | 丰田自动车株式会社 | Heat exchange apparatus |
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| CN103851685A (en) * | 2012-12-03 | 2014-06-11 | 阿布杜林·易李杜铯 | Device for heating and/or hot water supply |
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| CN105682955A (en) * | 2014-01-21 | 2016-06-15 | 翰昂系统株式会社 | Heat pump system for vehicle |
| CN107000543A (en) * | 2014-11-27 | 2017-08-01 | 康奈可关精株式会社 | Air conditioner for vehicles |
| CN107042747A (en) * | 2016-01-13 | 2017-08-15 | 博格思众公司 | Refrigeration system with overheat, supercooling and refrigerant charge control |
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- 2002-10-23 JP JP2002308318A patent/JP2004142551A/en active Pending
-
2003
- 2003-10-23 CN CNB2003101183961A patent/CN100384651C/en not_active Expired - Fee Related
- 2003-10-23 FR FR0312401A patent/FR2846280B1/en not_active Expired - Fee Related
- 2003-10-23 DE DE10349291A patent/DE10349291A1/en not_active Ceased
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103140364B (en) * | 2010-08-02 | 2016-02-17 | 法雷奥热系统公司 | The a/c system on the inner loop road comprising air conditioning loop and cooperate with air conditioning loop, especially for power actuated vehicle |
| CN103140364A (en) * | 2010-08-02 | 2013-06-05 | 法雷奥热系统公司 | Air-conditioning system, notably for a motor vehicle, comprising an air-conditioning loop and a secondary loop collaborating with the air-conditioning loop |
| CN103477162A (en) * | 2011-04-13 | 2013-12-25 | 丰田自动车株式会社 | Heat exchange apparatus |
| CN103648810A (en) * | 2011-06-30 | 2014-03-19 | 汉拿伟世通空调有限公司 | Air conditioning device for vehicle |
| CN103648810B (en) * | 2011-06-30 | 2016-02-24 | 汉拿伟世通空调有限公司 | Air conditioner for motor vehicle |
| CN103287239A (en) * | 2012-03-02 | 2013-09-11 | 汉拏空调株式会社 | Heat pump system for vehicle and method of controlling the same |
| CN103287239B (en) * | 2012-03-02 | 2015-08-12 | 汉拿伟世通空调有限公司 | vehicular heat pump system and control method thereof |
| CN103851685A (en) * | 2012-12-03 | 2014-06-11 | 阿布杜林·易李杜铯 | Device for heating and/or hot water supply |
| CN103851685B (en) * | 2012-12-03 | 2017-04-26 | 阿布杜林·易李杜铯 | Device for heating and/or hot water supply |
| CN105682955A (en) * | 2014-01-21 | 2016-06-15 | 翰昂系统株式会社 | Heat pump system for vehicle |
| CN107000543A (en) * | 2014-11-27 | 2017-08-01 | 康奈可关精株式会社 | Air conditioner for vehicles |
| CN105128622A (en) * | 2015-08-21 | 2015-12-09 | 苏州斯卡柏通讯技术有限公司 | Electric vehicle heat pump air-conditioning system |
| CN107848365A (en) * | 2015-10-21 | 2018-03-27 | 宝马股份公司 | Air-conditioning device and the method for running such air-conditioning device |
| CN107042747A (en) * | 2016-01-13 | 2017-08-15 | 博格思众公司 | Refrigeration system with overheat, supercooling and refrigerant charge control |
| CN107042747B (en) * | 2016-01-13 | 2022-03-04 | 博格思众公司 | Refrigeration system with superheat, subcooling and refrigerant charge control |
| CN109974412A (en) * | 2019-04-29 | 2019-07-05 | 苏州达善净化科技有限公司 | A kind of dehumidifying energy-saving drying device and furnace drying method |
| CN109974412B (en) * | 2019-04-29 | 2023-11-03 | 苏州达善净化科技有限公司 | Dehumidifying energy-saving drying equipment and drying method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004142551A (en) | 2004-05-20 |
| CN100384651C (en) | 2008-04-30 |
| FR2846280B1 (en) | 2009-04-17 |
| FR2846280A1 (en) | 2004-04-30 |
| DE10349291A1 (en) | 2004-05-13 |
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