CN102506498A - Automobile air-conditioning system with double evaporators and control method of automobile air-conditioning system - Google Patents

Automobile air-conditioning system with double evaporators and control method of automobile air-conditioning system Download PDF

Info

Publication number
CN102506498A
CN102506498A CN 201110294798 CN201110294798A CN102506498A CN 102506498 A CN102506498 A CN 102506498A CN 201110294798 CN201110294798 CN 201110294798 CN 201110294798 A CN201110294798 A CN 201110294798A CN 102506498 A CN102506498 A CN 102506498A
Authority
CN
Grant status
Application
Patent type
Prior art keywords
evaporator
air
compressor
controller
conditioning
Prior art date
Application number
CN 201110294798
Other languages
Chinese (zh)
Other versions
CN102506498B (en )
Inventor
孟庆彬
李才立
邓维仆
Original Assignee
奇瑞汽车股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Abstract

The invention provides an independently controllable automobile air-conditioning system with double evaporators and a control method of the automobile air-conditioning system. Energy conservation and emission reduction are realized while automobile internal comfort is guaranteed, and good economic benefit is realized. The automobile air-conditioning system with the double evaporators comprises a compressor, a condenser, a liquid storage dryer and an air-conditioning controller, the compressor, the condenser and the liquid storage dryer are successively serially connected via a pipeline, the liquid storage dryer is connected with two branches via two branched pipelines, one of the two branches is connected with a front electromagnetic valve, a front expansion valve and a front evaporator, the other branch is connected with a rear electromagnetic valve, a rear expansion valve and a rear evaporator, the front evaporator and the rear evaporator are connected with the compressor via a pressure balance device, and the front electromagnetic valve, the rear electromagnetic valve and the compressor are controlled by the air-conditioning controller. The air-conditioning system comprises the two evaporators, is high in refrigerating output and fast in cooling, can keep fine automobile internal comfort, saves energy and has good economic benefit. Operation of the two evaporators is controlled independently.

Description

一种汽车双蒸发器空调系统及其控制方法技术领域[0001] 本发明属于汽车空调技术领域,特别涉及到一种适用于大型MPV车型的可独立控制的汽车双蒸发器空调系统及其控制方法。 An automotive air conditioning system and a dual evaporator TECHNICAL FIELD [0001] The present invention belongs to the automotive air-conditioning technology, and particularly relates to a dual evaporator air conditioning system of automobiles and a control method for large MPV models may be independently controlled . 背景技术[0002] 商务车作为长途旅途的重要交通工具,深受消费者的喜爱,而商务车对整车的舒适性要求也较高,尤其在炎热的夏季和寒冷的冬季,对空调系统的性能要求更高。 [0002] as an important means of transport commercial vehicle long journey, the favorite of consumers, while commercial vehicle comfort requirements of the vehicle is higher, especially in the hot summer and cold winter, the air conditioning system higher performance requirements. 大型的商务车一般都配有三排或更多排的座位,传统的空调一般都布置在仪表台下方,受风量和制冷量的限制,很难保证后排乘客的舒适度。 Large commercial vehicles are generally equipped with three or more rows of seats, the traditional air-conditioning is generally disposed below the instrument panel, is limited by the air flow and cooling capacity, it is difficult to ensure the comfort of the rear passengers. 虽然可以加大空调的风量和制冷量,但是因为前后排的距离较远,仍难以平衡前后排的温度及风速,因此难以使前后排的乘客同时感到舒适。 Although it is possible to increase the air flow and air-conditioning cooling capacity, but because the front and rear of distance, is still difficult to balance the front and rear rows of temperature and wind speed, it is difficult to make front and rear passengers feel comfortable at the same time. 发明内容[0003] 本发明的目的是提出一种适用于大型MPV车型的可独立控制的汽车双蒸发器空调系统及其控制方法,在保证车内舒适度的同时兼顾节能减排,具有良好的经济效益。 SUMMARY OF THE INVENTION [0003] The object of the present invention is to propose a model for large MPV car independently controlled dual evaporator air conditioning system and a control method taking into account energy saving to ensure the comfort of the car, while having good economic benefits. [0004] 本发明的汽车双蒸发器空调系统包括压缩机、冷凝器、储液干燥器及空调控制器, 关键在于所述压缩机、冷凝器、储液干燥器通过管路依次串联,所述储液干燥器通过二分支管路与两条支路连接,所述两条支路中一条支路连接有前电磁阀、前膨胀阀和前蒸发器,另一条支路连接有后电磁阀、后膨胀阀和后蒸发器;所述前蒸发器、后蒸发器通过压力平衡装置与压缩机相连;所述前电磁阀、后电磁阀、压缩机均受空调控制器所控制。 [0004] The dual evaporator air conditioning system of automobiles according to the present invention comprises a compressor, a condenser, a drier and air-conditioning controller, the key is the compressor, condenser, drier in series through the line, the drier and through two branch lines connecting the two branches, said two branches one branch is connected with a front solenoid valve, the expansion valve before the evaporator and the front, the other branch is connected with a solenoid valve, after the expansion valve and the evaporator; the front evaporator, the evaporator is connected by means of the compressor pressure equalization; said front solenoid valve, solenoid valve, air-conditioning compressors subject to the control of the controller. [0005] 上述空调系统具备两个可独立控制的蒸发器,其控制方法具体包括如下步骤:A :开启空调:空调控制器首先根据用户命令开启前电磁阀和/或后电磁阀以开启前蒸发器和/或后蒸发器,然后再检测车内温度、车外温度及空调压力,当车内温度、车外温度及空调压力满足条件时控制压缩机开启,从而启动空调;B :关闭空调:空调控制器根据用户命令关闭前电磁阀和/或后电磁阀以关闭前蒸发器和/或后蒸发器,当前蒸发器和后蒸发器均关闭后,空调控制器关闭压缩机。 [0005] The air conditioning system includes two independently controllable evaporator, a control method includes the following steps: A: the open air: Air conditioning controller first electromagnetic valve before opening prior to evaporation and / or to open solenoid valve according to a user command and / or the rear evaporator, and then detected inside temperature, outside temperature and air pressure, the compressor is turned on when the control inside temperature, outside temperature and air pressure condition is satisfied, thereby starting air conditioning; B: Close Air conditioning: air conditioning controller according to a user command to close the electromagnetic valve before and / or after the solenoid valve to close the front of the evaporator and / or the rear evaporator, the evaporator and the current rear evaporator are closed, the controller closes the air conditioning compressor. [0006] 进一步地,所述前蒸发器与后蒸发器的功率比例为6 :4,鼓风机的功率与之相应。 [0006] Further, the power ratio of the front evaporator and the rear evaporator is 6: 4, the blower power corresponding thereto. 储液干燥器容积要足够大,在只有一个蒸发器工作的时候能够有效的储存液态制冷剂。 Drier volume should be large enough, when only one of an evaporator can effectively storing liquid refrigerant. [0007] 进一步地,所述压缩机为具有防结霜功能的定排量压缩机,所述前蒸发器与后蒸发器均设置有与空调控制器相连的温度传感器,其除霜方法包括如下步骤:C:空调除霜:当只有一个蒸发器工作时,若空调控制器检测到该蒸发器的温度低于结霜的设定温度时,则空调控制器关闭压缩机,只有当该蒸发器的温度恢复到6°c以上且时间间隔大于8秒时,空调控制器开启压缩机;当两个蒸发器均在工作时,若其中一个蒸发器的温度低于结霜的设定温度时,空调控制器关闭对应该蒸发器的电磁阀,只有在该蒸发器的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启对应该蒸发器的电磁阀;当两个蒸发器的温度均低于结霜的设定温度时,空调控制器关闭压缩机,任何一个蒸发器的的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启压缩机。 [0007] Further, the compressor is a constant displacement compressor having an anti-frost function, the front evaporator and the rear evaporator are provided with a temperature sensor connected to the controller of the air conditioner, the method comprising the defroster step: C: defrost Air conditioning: when only one an evaporator, the air conditioning controller if the detected temperature of the evaporator is below the set temperature of the frost, the controller turns off the air conditioning compressor, the evaporator only when when the temperature has returned to more than 6 ° c and the time interval is greater than 8 seconds, air-conditioning compressor controller opens; when both evaporators are at work, wherein if the temperature of the evaporator is lower than a set temperature of frost, should the air conditioner controller closes the solenoid valve of the evaporator, only when the temperature of the evaporator is returned to above 6 ° C and the time interval is greater than 8 seconds, the controller opens the solenoid valve of the air conditioner should evaporator; when two evaporators when the temperatures are below the set temperature of the frost, the controller closes the air-conditioning compressor, the temperature of any of the evaporator restored to more than 6 ° C and the time interval is greater than 8 seconds, air-conditioning compressor controller opens. [0008] 进一步地,所述冷凝器与储液干燥器之间的管路中设置有压力传感器,其压力保护的方法具体包括如下步骤:D :压力保护:空调控制器通过压力传感器检测所在管路内的压力,当管路内的压力低于2. Obar或者高于32bar时,空调控制器关闭压缩机。 [0008] Further, the line between the condenser and the receiver drier is provided with a pressure sensor, which pressure protection method includes the following steps: D: Pressure Protection: air conditioning controller where the detection by the pressure sensor tube the pressure in the passage when the pressure in the line is less than 2. Obar or higher than 32 bar, the air conditioning controller turning off the compressor. [0009] 本发明的汽车双蒸发器空调系统包括两个蒸发器,制冷量大,降温快,可以保持良好的车内舒适度,而且两个蒸发器的工作独立控制,节能,具有良好的经济效益。 [0009] The present invention car dual evaporator air conditioning system includes two evaporators, cooling capacity, faster cooling, maintaining good interior comfort, and the work of the independent control of two evaporators, energy-saving, good economic benefit. 附图说明[0010] 图1是本发明的汽车双蒸发器空调系统的结构原理图。 BRIEF DESCRIPTION [0010] FIG. 1 is a configuration diagram of the present invention automobile dual evaporator air conditioning system. 具体实施方式[0011] 下面对照附图,通过对实施实例的描述,对本发明的具体实施方式如所涉及的各构件的形状、构造、各部分之间的相互位置及连接关系、各部分的作用及工作原理等作进一步的详细说明。 DETAILED DESCRIPTION [0011] The following reference to the drawings, the description of embodiment examples, specific embodiments of the present invention as the shape of the respective members involved, the structure, the mutual positional relationship and the connection between the parts, each part of the action and working principle for further details. [0012] 实施例1 :如图1所示,本实施例的汽车双蒸发器空调系统包括具有防结霜功能的定排量压缩机1、冷凝器2、压力传感器3、储液干燥器4及空调控制器,压缩机1、冷凝器2、压力传感器3、 储液干燥器4通过管路依次串联,储液干燥器4通过二分支管路与两条支路连接,所述两条支路中一条支路连接有前电磁阀5、前膨胀阀6和前蒸发器7,另一条支路连接有后电磁阀8、后膨胀阀9和后蒸发器10 ;所述前蒸发器7、后蒸发器10通过压力平衡装置11与压缩机1相连;前蒸发器7与后蒸发器10均设置有与空调控制器相连的温度传感器,前电磁,5、后电磁阀8、压缩机1均受空调控制器所控制(图中未画出空调控制器及温度传感器)。 [0012] Example 1: 1, the dual evaporator air conditioning system of automobiles according to the present embodiment comprises a fixed displacement compressor having an anti-frost function 1, a condenser 2, a pressure sensor 3, a drier 4 and air-conditioning controller, a compressor 1, a condenser 2, a pressure sensor 3, a drier 4 through a pipe in series, drier 4 is connected to the two branches by two branch pipes, said two branch a branch passage connected to the front solenoid valve 5, the first expansion valve 6 and evaporator 7 and, the other branch is connected with a solenoid valve 8, the expansion valve 9 and the rear evaporator 10; the front of the evaporator 7, after the evaporator 10 of the compressor 11 is connected through a pressure equalizing device; and evaporator 7 and the rear evaporator 10 is provided with a temperature sensor connected to the controller of the air conditioner, front electromagnetic, 5, solenoid valve 8, the compressor 1 are Air conditioning is controlled by the controller (not shown air conditioner controller and a temperature sensor in the drawing). [0013] 上述空调系统具备两个可独立控制的蒸发器,其控制方法具体包括如下步骤:A :开启空调:空调控制器首先根据用户命令开启前电磁阀和/或后电磁阀以开启前蒸发器和/或后蒸发器,然后再检测车内温度、车外温度及空调压力,当车内温度、车外温度及空调压力满足条件时控制压缩机开启,从而启动空调;B :关闭空调:空调控制器根据用户命令关闭前电磁阀和/或后电磁阀以关闭前蒸发器和/或后蒸发器,当前蒸发器和后蒸发器均关闭后,空调控制器关闭压缩机。 [0013] The air conditioning system includes two independently controllable evaporator, a control method includes the following steps: A: the open air: Air conditioning controller first electromagnetic valve before opening prior to evaporation and / or to open solenoid valve according to a user command and / or the rear evaporator, and then detected inside temperature, outside temperature and air pressure, the compressor is turned on when the control inside temperature, outside temperature and air pressure condition is satisfied, thereby starting air conditioning; B: Close Air conditioning: air conditioning controller according to a user command to close the electromagnetic valve before and / or after the solenoid valve to close the front of the evaporator and / or the rear evaporator, the evaporator and the current rear evaporator are closed, the controller closes the air conditioning compressor. [0014] C:空调除霜:当只有一个蒸发器工作时,若空调控制器检测到该蒸发器的温度低于结霜的设定温度(可以设定为o°c)时,则空调控制器关闭压缩机,只有当该蒸发器的温度恢复到6°c以上且时间间隔大于8秒时,空调控制器开启压缩机;当两个蒸发器均在工作时,若其中一个蒸发器的温度低于结霜的设定温度时,空调控制器关闭对应该蒸发器的电磁阀,只有在该蒸发器的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启对应该蒸发器的电磁阀;当两个蒸发器的温度均低于结霜的设定温度时,空调控制器关闭压缩机,任何一个蒸发器的的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启压缩机。 [0014] C: Defrost Air conditioning: When only one of an evaporator, the air conditioning controller when the detected temperature of the evaporator is below the set temperature for frosting (can be set to o ° c), the air conditioning control the compressor is off, only when the temperature of the evaporator is returned to above 6 ° c and the time interval is greater than 8 seconds, air-conditioning compressor controller opens; when both evaporators are at work, wherein if a temperature of the evaporator when frost is below the set temperature, air-conditioning controller closes the solenoid valve of the evaporator should be when only the temperature of the evaporator is returned to above 6 ° C and the time interval is greater than 8 seconds, turn on the air conditioning controller should evaporated when the temperatures of the two evaporators are below the set temperature of the frost, the controller closes the air-conditioning compressor, an evaporator temperature of any recovery above 6 ° C and the time interval is greater than 8 seconds; the solenoid valve's air conditioning compressor controller is turned on. [0015] D :压力保护:空调控制器通过压力传感器检测所在管路内的压力,当管路内的压力低于2. Obar或者高于32bar时,空调控制器关闭压缩机。 [0015] D: Protection Pressure: the pressure in the air-conditioning controller detecting sensor where the line pressure, when the pressure in the conduit is lower than 2. Obar or higher than 32 bar, the air conditioning controller turning off the compressor.

Claims (7)

  1. 1. 一种汽车双蒸发器空调系统,包括压缩机、冷凝器、储液干燥器及空调控制器,其特征在于所述压缩机、冷凝器、储液干燥器通过管路依次串联,所述储液干燥器通过二分支管路与两条支路连接,所述两条支路中一条支路连接有前电磁阀、前膨胀阀和前蒸发器,另一条支路连接有后电磁阀、后膨胀阀和后蒸发器;所述前蒸发器、后蒸发器通过压力平衡装置与压缩机相连;所述前电磁阀、后电磁阀、压缩机均受空调控制器所控制。 1. A vehicle dual evaporator air conditioning system includes a compressor, a condenser, a drier and air-conditioning controller, wherein said compressor, condenser, drier in series through the line, the drier and through two branch lines connecting the two branches, said two branches one branch is connected with a front solenoid valve, the expansion valve before the evaporator and the front, the other branch is connected with a solenoid valve, after the expansion valve and the evaporator; the front evaporator, the evaporator is connected by means of the compressor pressure equalization; said front solenoid valve, solenoid valve, air-conditioning compressors subject to the control of the controller.
  2. 2.根据权利要求1所述的汽车双蒸发器空调系统,其特征在于所述压缩机为具有防结霜功能的定排量压缩机,所述前蒸发器与后蒸发器均设置有与空调控制器相连的温度传感ο The automotive dual evaporator air conditioning system according to claim 1, wherein said compressor is a constant displacement compressor having an anti-frost function, the front evaporator and the rear evaporator are provided with air-conditioning a controller connected to the temperature sensing ο
  3. 3.根据权利要求1或2所述的汽车双蒸发器空调系统,其特征在于所述前蒸发器与后蒸发器的功率比例为6:4。 The automotive dual evaporator air conditioning system of claim 1 or claim 2, characterized in that the power ratio of the front evaporator and the rear evaporator is 6: 4.
  4. 4.根据权利要求1或2所述的汽车双蒸发器空调系统,其特征在于所述冷凝器与储液干燥器之间的管路中设置有压力传感器。 The car of claim 12 or dual evaporator air conditioning system as claimed in claim, characterized in that the line between the condenser and the receiver drier is provided with a pressure sensor.
  5. 5. 一种汽车双蒸发器空调系统的控制方法,其特征在于包括如下步骤:A :开启空调:空调控制器首先根据用户命令开启前电磁阀和/或后电磁阀以开启前蒸发器和/或后蒸发器,然后再检测车内温度、车外温度及空调压力,当车内温度、车外温度及空调压力满足条件时控制压缩机开启,从而启动空调;B :关闭空调:空调控制器根据用户命令关闭前电磁阀和/或后电磁阀以关闭前蒸发器和/或后蒸发器,当前蒸发器和后蒸发器均关闭后,空调控制器关闭压缩机。 A method for controlling an automotive air conditioning system of the dual evaporator, comprising the steps of: A: the open air: air conditioning controller according to a user command to turn on first electromagnetic valve before and / or after the solenoid valve to open before the evaporator and / or after the evaporator, and then detected inside temperature, outside temperature and air pressure, the compressor is turned on when the control inside temperature, outside temperature and air pressure condition is satisfied, thereby starting air conditioning; B: close the air: air conditioning controller The solenoid valve is closed before a user command and / or to close the solenoid valve before the evaporator and / or the rear evaporator, the evaporator and the current rear evaporator are closed, the controller closes the air conditioning compressor.
  6. 6.根据权利要求5所述的汽车双蒸发器空调系统的控制方法,其特征在于包括如下步骤:C:空调除霜:当只有一个蒸发器工作时,若空调控制器检测到该蒸发器的温度低于结霜的设定温度时,则空调控制器关闭压缩机,只有当该蒸发器的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启压缩机;当两个蒸发器均在工作时,若其中一个蒸发器的温度低于结霜的设定温度时,空调控制器关闭对应该蒸发器的电磁阀,只有在该蒸发器的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启对应该蒸发器的电磁阀;当两个蒸发器的温度均低于结霜的设定温度时,空调控制器关闭压缩机,任何一个蒸发器的的温度恢复到6°C以上且时间间隔大于8秒时,空调控制器开启压缩机。 The automobile control method of claim 5 dual evaporator air conditioning system as claimed in claim, characterized by comprising the steps of: C: Defrost Air conditioning: when only one an evaporator, if the controller detects that the air-conditioning evaporator when the temperature is below the set temperature of the frost, the controller turns off the air-conditioning compressor, only when the temperature of the evaporator is returned to above 6 ° C and the time interval is greater than 8 seconds, air-conditioning compressor controller opens; when two an evaporator are in operation, wherein if a temperature of the evaporator is lower than the set temperature of the frost, should be on the air-conditioning controller closes the solenoid valve of the evaporator, the evaporator only when the temperature is returned to more than 6 ° C and when the time interval is greater than 8 seconds, the air conditioning controller opens the solenoid valve of the evaporator should be; when the temperatures of the two evaporators are below the set temperature of the frost, the controller closes the air-conditioning compressor, an evaporator of any when the temperature returns to above 6 ° C and the time interval is greater than 8 seconds, air-conditioning compressor controller opens.
  7. 7.根据权利要求5或6所述的汽车双蒸发器空调系统的控制方法,其特征在于包括如下步骤:D :压力保护:空调控制器通过压力传感器检测所在管路内的压力,当管路内的压力低于2. Obar或者高于32bar时,空调控制器关闭压缩机。 The car of claim 5 or 6 control method of dual evaporator air conditioning system as claimed in claim, characterized by comprising the steps of: D: Pressure Protection: The pressure in the conduit where the sensor for detecting the air-conditioning controller, when the line when the pressure in the higher or lower than 2. Obar 32bar, the air conditioning controller turning off the compressor.
CN 201110294798 2011-09-28 2011-09-28 Control method of automobile air-conditioning system CN102506498B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110294798 CN102506498B (en) 2011-09-28 2011-09-28 Control method of automobile air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110294798 CN102506498B (en) 2011-09-28 2011-09-28 Control method of automobile air-conditioning system

Publications (2)

Publication Number Publication Date
CN102506498A true true CN102506498A (en) 2012-06-20
CN102506498B CN102506498B (en) 2014-02-05

Family

ID=46218609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110294798 CN102506498B (en) 2011-09-28 2011-09-28 Control method of automobile air-conditioning system

Country Status (1)

Country Link
CN (1) CN102506498B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104676824A (en) * 2013-11-29 2015-06-03 杭州三花研究院有限公司 Automobile air conditioner control method and system and automobile air conditioner system thereof
CN105509389A (en) * 2016-01-26 2016-04-20 南京西百客汽车空调有限公司 Air conditioning system of automobile
CN106123399A (en) * 2016-06-22 2016-11-16 黄河交通学院 Automobile air conditioning system evaporator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193716A (en) * 1984-03-15 1985-10-02 Nissan Motor Co Ltd Car air-conditioner
US20030051494A1 (en) * 2001-09-20 2003-03-20 Shigeki Ohya Refrigerant cycle system including two evaporators
CN201045547Y (en) * 2007-03-30 2008-04-09 东风汽车集团股份有限公司 Automobile air conditioner hot air device
WO2010051198A2 (en) * 2008-10-31 2010-05-06 Carrier Corporation Control of multiple zone refrigerant vapor compression systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193716A (en) * 1984-03-15 1985-10-02 Nissan Motor Co Ltd Car air-conditioner
US20030051494A1 (en) * 2001-09-20 2003-03-20 Shigeki Ohya Refrigerant cycle system including two evaporators
CN201045547Y (en) * 2007-03-30 2008-04-09 东风汽车集团股份有限公司 Automobile air conditioner hot air device
WO2010051198A2 (en) * 2008-10-31 2010-05-06 Carrier Corporation Control of multiple zone refrigerant vapor compression systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104676824A (en) * 2013-11-29 2015-06-03 杭州三花研究院有限公司 Automobile air conditioner control method and system and automobile air conditioner system thereof
CN105509389A (en) * 2016-01-26 2016-04-20 南京西百客汽车空调有限公司 Air conditioning system of automobile
CN106123399A (en) * 2016-06-22 2016-11-16 黄河交通学院 Automobile air conditioning system evaporator

Also Published As

Publication number Publication date Type
CN102506498B (en) 2014-02-05 grant

Similar Documents

Publication Publication Date Title
US20110016896A1 (en) Air conditioner for vehicle with heat pump cycle
US6237357B1 (en) Vehicular air conditioner using heat pump
US20080011005A1 (en) Air-conditioning system for vehicle
CN201438053U (en) Air-conditioning system of novel special motor coach
CN101279580A (en) Residual heat pump air conditioner system for fuel-cell vehicle
CN101975422A (en) Warm/cool air-conditioner and defrosting method thereof
US20130019615A1 (en) Heat pump system for vehicle and control method thereof
CN101078568A (en) Electric automobile air-conditioning system
US20060162359A1 (en) Vehicular air-conditioning system
CN201082690Y (en) Windward overhead type passenger car air-conditioner
CN104290561A (en) Method for recycling exhaust air heat of electric automobile and heat pump air-conditioning system adopting same
CN103697625A (en) Pure-electric-vehicle heat pump air-conditioning system and control method thereof
CN104315742A (en) Electric automobile air conditioning heat pump system with economizer and control method thereof
US20130025312A1 (en) Heat pump air conditioning system for vehicle
CN103978867A (en) Electric automobile based multi-mode intelligent air conditioning system
CN202747508U (en) Heat pump air conditioning system of electric automobile
CN201373615Y (en) Dual temperature refrigerating device for refrigerator car and refrigerated container
CN103158486A (en) Car air-conditioning system
US20070193292A1 (en) Air conditioning system
CN101737999A (en) Refrigerating and heating systems for electric automobile
CN202032709U (en) Dual-purpose device for automotive air conditioning condensation water
JP2009149288A (en) Vehicular air conditioner
JP2000062452A (en) Air conditioner for vehicle
CN101922818A (en) Air conditioning unit of rail transit train
CN201769651U (en) Refrigerator car with function of liquefied natural gas (LNG) cold energy recovery

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C14 Grant of patent or utility model