WO2024092916A1 - 一种多区域变风量的空气调节系统 - Google Patents

一种多区域变风量的空气调节系统 Download PDF

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WO2024092916A1
WO2024092916A1 PCT/CN2022/134507 CN2022134507W WO2024092916A1 WO 2024092916 A1 WO2024092916 A1 WO 2024092916A1 CN 2022134507 W CN2022134507 W CN 2022134507W WO 2024092916 A1 WO2024092916 A1 WO 2024092916A1
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air
mixing
valve
fresh
conditioning system
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PCT/CN2022/134507
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English (en)
French (fr)
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徐峻
李长胜
赵金龙
毕仲国
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中车长春轨道客车股份有限公司
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Publication of WO2024092916A1 publication Critical patent/WO2024092916A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

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  • the invention belongs to the technical field of air conditioning systems, and in particular relates to a multi-zone variable air volume air conditioning system.
  • the air inside the rail train compartment is uniformly processed by the air-conditioning unit and then delivered into the passenger compartment through the air duct to meet the comfort requirements of the entire interior passenger compartment.
  • the air-conditioning system of EMUs can only perform air conditioning for the entire carriage and does not have the ability to perform regional regulation.
  • the temperature regulation accuracy is low, and when there are fewer passengers and their seating positions are distributed, it causes a waste of air-conditioning capacity resources.
  • the purpose of the present invention is to provide a multi-zone variable air volume air conditioning system, which changes the traditional integrated air conditioning method of the carriage and realizes personalized air conditioning of local areas of the carriage by dividing the carriage into independent areas.
  • the present invention provides a multi-zone variable air volume air conditioning system, comprising a plurality of independent mixing air boxes and at least one air duct;
  • a plurality of the mixing air boxes are arranged in different compartments, each of the mixing air boxes is provided with a variable frequency blower, each of the mixing air boxes is provided with a fresh air inlet, a return air inlet and a supply air outlet, the inlet of the air duct is used for fresh air, the outlet is connected with the fresh air inlet of the mixing air box, the return air inlet is used to inhale the return air in the corresponding compartment, and the supply air outlet is used to supply the mixed air of the fresh air and the return air into the corresponding compartment;
  • It also includes a temperature sensor arranged on each of the mixing air boxes, a fresh air valve arranged at the fresh air inlet, and a return air valve arranged at the return air inlet.
  • the above-mentioned multi-zone variable air volume air conditioning system further includes a control device for controlling the valve opening size of the fresh air valve and the return air valve according to the temperature value detected by the temperature sensor.
  • At least one mixing air box is arranged in each compartment.
  • an air handling device is provided at the inlet of the air duct.
  • a purification unit for purifying gas is arranged in the box body of the mixing air box, and the purification unit divides the inner cavity of the box body into two parts.
  • the fresh air valve and the return air valve are both arranged on one side of the purification unit, and the variable frequency blower and the temperature sensor are both arranged on the other side of the purification unit.
  • the purification unit includes a filter and/or an air sterilization module.
  • the number of the air duct is one, and the air duct is connected in series with all the fresh air valves.
  • the fresh air valve is a three-way valve, two valve ports of the fresh air valve are connected to the air duct, and the other valve port is connected to the mixing air box.
  • the number of the air ducts is multiple, and the multiple air ducts correspond one-to-one to all the fresh air valves respectively.
  • the air duct is an insulated air duct wrapped with an insulation layer.
  • the present invention provides a multi-zone variable air volume air conditioning system, which has the following beneficial effects:
  • the carriage is divided into several independent areas, each of which has an independent modular mixing air box. Fresh air is sucked in through the variable frequency blower of each mixing air box, mixed with the return air in the mixing air box, and then sent into the carriage area where it is located.
  • Each mixing air box is equipped with a fresh air valve and a return air valve, and is also equipped with a temperature sensor to monitor the temperature of the mixed air. By adjusting the opening size of the fresh air valve and the return air valve, the mixing ratio of the fresh air and the return air is controlled, thereby controlling the supply air temperature and achieving the target set value.
  • the traditional integrated air conditioning method of the carriage is changed. By dividing the carriage into independent areas, personalized air conditioning of local areas of the carriage is achieved.
  • FIG1 is a schematic structural diagram of a multi-zone variable air volume air conditioning system provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the structure of a mixing bellows provided in an embodiment of the present invention.
  • 1-mixing air box 101-box; 102-purification unit; 103-frequency converter blower; 104-temperature sensor; 105-return air valve; 106-mixing chamber; 107-fresh air valve; 108-fresh air inlet; 109-supplied air outlet;
  • orientations such as up, down, front, back, left, right, etc.
  • orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
  • the core of the present invention is to provide a multi-zone variable air volume air conditioning system, which changes the traditional integrated air conditioning method of the carriage and realizes personalized air conditioning of local areas of the carriage by dividing the carriage into independent areas.
  • FIG. 1 is a schematic structural diagram of a multi-zone variable air volume air conditioning system provided by an embodiment of the present invention.
  • the present invention provides a multi-zone variable air volume air conditioning system, which includes a plurality of independent mixing air boxes 1 and at least one air duct 2.
  • variable frequency blower 103 has an adjustable air volume function. By adjusting the fan speed, variable air volume regulation can be achieved.
  • Each mixing air box 1 is provided with a fresh air inlet 108, a return air inlet and a supply air outlet 109.
  • the inlet of the air duct 2 is used to introduce the processed fresh air 3, and the outlet of the air duct 2 is connected to the fresh air inlet 108 on the mixing air box 1.
  • the return air inlet is used to inhale the return air 4 (passenger compartment air) in the corresponding compartment, and the supply air outlet 109 is used to send the mixed air 5 into the compartment after the fresh air 3 and the return air 4 are mixed in the mixing air box 1.
  • the present invention further comprises a temperature sensor 104 arranged on each mixing air box 1, a fresh air valve 107 arranged at the fresh air inlet 108, and a return air valve 105 arranged at the return air inlet.
  • the multi-zone variable air volume air conditioning system divides the car into several independent areas, each of which has an independent modular mixing air box 1.
  • the fresh air 3 is sucked in by the variable frequency blower 103 of each mixing air box 1, and after being mixed with the return air 4 in the mixing air box 1, it is sent into the car area where it is located.
  • Each mixing air box 1 is provided with a fresh air valve 107 and a return air valve 105, and is also arranged with a temperature sensor 104, which can monitor the temperature of the mixed air 5, and control the mixing ratio of the fresh air 3 and the return air 4 by adjusting the opening size of the fresh air valve 107 and the return air valve 105, thereby controlling the supply air temperature and reaching the target set value.
  • valve opening sizes of the fresh air valve 107 and the return air valve 105 can be adjusted manually, and can also realize automatic adjustment function according to the control device.
  • the multi-zone variable air volume air conditioning system provided by the present invention further includes a control device for controlling the valve opening size of the fresh air valve 107 and the return air valve 105 according to the temperature value detected by the temperature sensor 104.
  • the control device monitors the temperature of the mixed air 5 in real time, and automatically adjusts the air valve through the feedback thereof to control the mixing ratio of the fresh air 3 and the return air 4, thereby controlling the supply air temperature.
  • each carriage is provided with at least one mixing air box 1.
  • the number of mixing air boxes 1 arranged in each carriage can also be selected in proportion according to the actual space of each carriage, which is not further limited here.
  • an air treatment device is provided at the inlet of the air duct 2 , and the fresh air 3 is sent into the air duct 2 after being treated by the air treatment device.
  • a purification unit 102 for purifying gas is provided in the box body 101 of the mixing air box 1.
  • the purification unit 102 divides the inner cavity of the box body 101 into two parts.
  • the fresh air valve 107 and the return air valve 105 are both arranged on one side of the purification unit 102, and the variable frequency blower 103 and the temperature sensor 104 are both arranged on the other side of the purification unit 102.
  • the purification unit 102 includes a filter and/or an air sterilization module. Of course, the purification unit 102 can also use other equipment with purification function, which is not further limited here.
  • the treated fresh air 3 enters the box 101 on the top of the car through the fresh air inlet 108, is regulated by the fresh air valve 107, and is mixed with the return air 4 passing through the return air valve 105 in the mixing chamber 106.
  • the mixed air 5 is filtered by the filter and the air sterilization module, it passes through the variable frequency blower 103 and the air outlet 109 into the independent area where the mixing air box 1 is located.
  • the temperature sensor 104 is arranged in the cavity where the variable frequency blower 103 is located.
  • the mixing air box 1 is provided with a filter and an air sterilization module inside, and the mixed air 5 is sent into the passenger compartment after being filtered and sterilized, ensuring good air quality in the compartment.
  • the number of modular mixing air boxes 1 in the entire compartment can be determined according to actual needs, and each mixing air box 1 can be controlled separately without affecting each other.
  • the number of the air duct 2 is one, and the air duct 2 is connected in series with all the fresh air valves 107 , so that the mixing air boxes 1 in each area are connected in series through the air duct 2 .
  • the fresh air valve 107 is a three-way valve, two of the valve ports of the fresh air valve 107 are connected to the air duct 2, and the other valve port is connected to the mixing air box 1.
  • the mixing air boxes 1 are connected in series through the air duct 2, and the processed fresh air 3 enters the air duct 2, and is mixed with the return air 4 from the passenger compartment entering from both sides of each mixing air box 1 before being sent to an independent area.
  • Multiple mixing air boxes 1 are arranged linearly, and the air duct 2 is also arranged in a straight line, which can effectively save space and is convenient and concise in layout.
  • the air duct 2 is a heat-insulating air duct wrapped with a heat-insulating layer.
  • Each area controlled by the multi-zone variable air volume system can be individually controlled according to the temperature and air volume requirements in the area.
  • the mixing air box 1 in one area fails, other mixing air boxes 1 can still work normally without affecting the air conditioning of other areas in the car, and the reliability is strong.
  • the multi-zone variable air volume system can provide regional personalized air supply according to the number and distribution of passengers, reduce the energy consumption of the air conditioning system, and save more energy.
  • the mixing air box 1 adopts a modular design, which is easy to install and maintain.
  • the multi-zone variable air volume air conditioning system has changed the traditional integrated air conditioning in the car. By dividing the car into independent areas, it can realize personalized air conditioning in local areas of the car. While improving the temperature adjustment accuracy, it also reduces the energy consumption of air conditioning.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Central Air Conditioning (AREA)

Abstract

一种多区域变风量的空气调节系统，包括多个独立的混合风箱(1)、风管(2)、设置于各混合风箱(1)上的温度传感器(104)、新风阀(107)以及回风阀(105)。将车厢分为独立的几个区域，每个区域均具有独立的模块化混合风箱(1)，新风通过各混合风箱(1)的变频送风机(103)吸入，在混合风箱(1)内与回风混合后，送入其所处的车厢区域内。每个混合风箱(1)设有新风阀(107)与回风阀(105)，同时布置有温度传感器(104)，可以对混合风的温度进行监控，通过调节新风阀(107)与回风阀(105)开启的大小，进而控制新风与回风的混合比例，从而控制送风温度，进而达到目标设定值。通过上述设置，改变了传统的车厢一体化空气调节方式，通过将车厢独立区域划分，实现对车厢局部区域的个性化空气调节。

Description

一种多区域变风量的空气调节系统
本申请要求于2022年10月31日提交中国专利局、申请号为202211344442.9、发明名称为“一种多区域变风量的空气调节系统”的国内申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明属于空气调节系统技术领域，特别涉及一种多区域变风量的空气调节系统。
背景技术
轨道列车车厢内的空气是经由空调机组统一处理后，经由风道送入客室内，满足整个内部客室的舒适度需求。
目前动车组空调系统仅能对车厢整体进行空气调节，不具备区域性调节的能力，温度调节精度低，且在旅客较少和其坐位置分布的情况下，造成空调能力资源浪费。
因此，如何开发一种具备多区域独立变风量调节的空气调节系统，是本领域技术人员亟待解决的问题。
发明内容
本发明的目的在于提供一种多区域变风量的空气调节系统，改变了传统的车厢一体化空气调节方式，通过将车厢独立区域划分，实现对车厢局 部区域的个性化空气调节。
为解决上述技术问题，本发明提供一种多区域变风量的空气调节系统，包括多个独立的混合风箱以及至少一个风管；
多个所述混合风箱布置于不同的车厢内，各所述混合风箱内均设置有变频送风机，各所述混合风箱上均设置有新风入口、回风入口以及送风出口，所述风管的入口用于新风、出口与所述混合风箱上的新风入口连通，所述回风入口用于吸入对应车厢内的回风，所述送风出口用于向对应车厢内送入新风和回风混合后的混合风；
还包括设置于各所述混合风箱上的温度传感器，设置于所述新风入口的新风阀以及设置于所述回风入口的回风阀。
可选的，在上述多区域变风量的空气调节系统中，还包括控制装置，用于根据所述温度传感器检测的温度值，控制所述新风阀和所述回风阀的阀门开启大小。
可选的，在上述多区域变风量的空气调节系统中，每个车厢至少布置一个所述混合风箱。
可选的，在上述多区域变风量的空气调节系统中，所述风管的入口设置有空气处理装置。
可选的，在上述多区域变风量的空气调节系统中，所述混合风箱的箱体内设置有用于对气体净化的净化单元，所述净化单元将所述箱体的内腔分隔成两部分，所述新风阀和所述回风阀均设置于所述净化单元的一侧， 所述变频送风机和所述温度传感器均设置于所述净化单元的另一侧。
可选的，在上述多区域变风量的空气调节系统中，所述净化单元包括过滤网和/或空气杀菌模块。
可选的，在上述多区域变风量的空气调节系统中，所述风管的数量为一个，所述风管与所有所述新风阀串联。
可选的，在上述多区域变风量的空气调节系统中，所述新风阀为三通阀，所述新风阀的其中两个阀口与所述风管连通，另一个阀口与所述混合风箱连通。
可选的，在上述多区域变风量的空气调节系统中，所述风管的数量为多个，多个所述风管分别与所有所述新风阀一一对应。
可选的，在上述多区域变风量的空气调节系统中，所述风管为包裹有保温层的保温风管。
本发明提供了一种多区域变风量的空气调节系统，其有益效果在于：
将车厢分为独立的几个区域，每个区域均具有独立的模块化混合风箱，新风通过各混合风箱的变频送风机吸入，在混合风箱内与回风混合后，送入其所处的车厢区域内。每个混合风箱设有新风阀与回风阀，同时布置有温度传感器，可以对混合风的温度进行监控，通过调节新风阀与回风阀开启的大小，进而控制新风与回风的混合比例，从而控制送风温度，进而达到目标设定值。通过上述设置，改变了传统的车厢一体化空气调节方式，通过将车厢独立区域划分，实现对车厢局部区域的个性化空气调节。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本发明实施例提供的一种多区域变风量的空气调节系统的结构示意图；
图2为本发明实施例提供的混合风箱的结构示意图。
上图中：
1-混合风箱；101-箱体；102-净化单元；103-变频送风机；104-温度传感器；105-回风阀；106-混合腔；107-新风阀；108-新风入口；109-送风出口；
2-风管；
3-新风；4-回风；5-混合风。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发 明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，多个的含义是两个以上，如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
本发明的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本发明中的具体含义。
本发明的核心是提供一种多区域变风量的空气调节系统，改变了传统的车厢一体化空气调节方式，通过将车厢独立区域划分，实现对车厢局部区域的个性化空气调节。
为了使本领域的技术人员更好地理解本发明提供的技术方案，下面将结合附图和具体实施例对本发明作进一步的详细说明。
具体地，请参考图1，图1为本发明实施例提供的一种多区域变风量的空气调节系统的结构示意图。
本发明提供的一种多区域变风量的空气调节系统，包括多个独立的混 合风箱1以及至少一个风管2。
其中，多个混合风箱1布置于不同的车厢内，各混合风箱1内均设置有变频送风机103，变频送风机103具有风量可调节功能，通过调节风机转速，可实现变风量调节。
各混合风箱1上均设置有新风入口108、回风入口以及送风出口109。风管2的入口用于通入处理后的新风3，风管2的出口与混合风箱1上的新风入口108连通。回风入口用于吸入对应车厢内的回风4(客室空气)，送风出口109用于待新风3和回风4在混合风箱1内混合后，向车厢内送入混合风5。
本发明还包括设置于各混合风箱1上的温度传感器104，设置于新风入口108的新风阀107以及设置于回风入口的回风阀105。
本发明提供的多区域变风量的空气调节系统，将车厢分为独立的几个区域，每个区域均具有独立的模块化混合风箱1，新风3通过各混合风箱1的变频送风机103吸入，在混合风箱1内与回风4混合后，送入其所处的车厢区域内。每个混合风箱1设有新风阀107与回风阀105，同时布置有温度传感器104，可以对混合风5的温度进行监控，通过调节新风阀107与回风阀105开启的大小，进而控制新风3与回风4的混合比例，从而控制送风温度，进而达到目标设定值。通过上述设置，改变了传统的车厢一体化空气调节方式，通过将车厢独立区域划分，实现对车厢局部区域的个性化空气调节。
新风阀107和回风阀105的阀门开启大小可以通过手动调节，还可以根据控制装置实现自动调节功能。
在一具体实施例中，本发明提供的多区域变风量的空气调节系统，还包括控制装置，用于根据温度传感器104检测的温度值，控制新风阀107和回风阀105的阀门开启大小。控制装置通过实时对混合风5的温度进行监控，通过其反馈，自动调节风阀，控制新风3与回风4的混合比例，从而控制送风温度。
为了确保车厢可以分为几个独立的区域，每个车厢至少布置一个混合风箱1。当然，还可以根据各车厢的实际空间按比例选择每个车厢内布置的混合风箱1数量，在此不做进一步限定。
在一具体实施例中，风管2的入口设置有空气处理装置，新风3由空气处理装置处理后送入风管2内。
在上述具体实施例的基础上，混合风箱1的箱体101内设置有用于对气体净化的净化单元102，净化单元102将箱体101的内腔分隔成两部分，新风阀107和回风阀105均设置于净化单元102的一侧，变频送风机103和温度传感器104均设置于净化单元102的另一侧。
净化单元102包括过滤网和/或空气杀菌模块，当然，净化单元102还可以采用其他具有净化功能的设备，在此不做进一步限定。
处理后的新风3由新风入口108进入车厢顶部的箱体101内，被新风阀107调节后，与经过回风阀105的回风4在混合腔106内混合，混合风 5经过滤网和空气杀菌模块过滤后，通过变频送风机103经送风出口109进入混合风箱1所在的独立区域内，温度传感器104设置在变频送风机103所在的腔内。
混合风箱1内部设有过滤网和空气杀菌模块，混合风5气流经其过滤杀菌后送入客室，保证车厢内具有良好的空气品质。整个车厢的模块化混合风箱1数量可根据实际需求进行制定，每个混合风箱1均可单独控制，互不影响。
在一种形式下，风管2的数量为一个，风管2与所有新风阀107串联，使各区域的混合风箱1通过风管2串联在一起。
具体地，新风阀107为三通阀，新风阀107的其中两个阀口与风管2连通，另一个阀口与混合风箱1连通。如图1所示，混合风箱1通过风管2进行串联，处理后的新风3进入风管2，与每个混合风箱1两侧进入的客室回风4混合后再送入独立区域内。多个混合风箱1呈线性排布，该风管2同样呈一条直线布置，可有效节省空间，布置方便简洁。
在另一种形式下，风管2的数量为多个，多个风管2分别与所有新风阀107一一对应。还可以通过一个总的新风装置处通过不同的风管2一一连接不同的混合风箱1。
为了防止新风3吸收外部热量，风管2为包裹有保温层的保温风管。
本发明提供的技术方案带来的有益效果在于：
多区域变风量系统所控制的每个区域可根据区域内的温度、风量需求 进行单独控制，当一个区域的混合风箱1故障，其他混合风箱1仍可正常工作，不影响车厢内其他区域的空气调节，可靠性强。多区域变风量系统可根据乘客数量、分布位置进行区域性个性化送风，降低空调系统能耗，更节能。混合风箱1采用模块化设计，安装和维护方便。
多区域变风量的空气调节系统改变了传统的车厢一体化空气调节，通过将车厢独立区域划分，实现对车厢局部区域的个性化空气调节。在提高温度调节精度的同时，降低空调耗能。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (10)

  1. 一种多区域变风量的空气调节系统，其特征在于，包括多个独立的混合风箱以及至少一个风管；
    多个所述混合风箱布置于不同的车厢内，各所述混合风箱内均设置有变频送风机，各所述混合风箱上均设置有新风入口、回风入口以及送风出口，所述风管的入口用于新风、出口与所述混合风箱上的新风入口连通，所述回风入口用于吸入对应车厢内的回风，所述送风出口用于向对应车厢内送入新风和回风混合后的混合风；
    还包括设置于各所述混合风箱上的温度传感器，设置于所述新风入口的新风阀以及设置于所述回风入口的回风阀。
  2. 根据权利要求1所述的多区域变风量的空气调节系统，其特征在于，还包括控制装置，用于根据所述温度传感器检测的温度值，控制所述新风阀和所述回风阀的阀门开启大小。
  3. 根据权利要求1所述的多区域变风量的空气调节系统，其特征在于，每个车厢至少布置一个所述混合风箱。
  4. 根据权利要求1所述的多区域变风量的空气调节系统，其特征在于，所述风管的入口设置有空气处理装置。
  5. 根据权利要求1-4任一项所述的多区域变风量的空气调节系统，其特征在于，所述混合风箱的箱体内设置有用于对气体净化的净化单元，所述净化单元将所述箱体的内腔分隔成两部分，所述新风阀和所述回风阀均 设置于所述净化单元的一侧，所述变频送风机和所述温度传感器均设置于所述净化单元的另一侧。
  6. 根据权利要求5所述的多区域变风量的空气调节系统，其特征在于，所述净化单元包括过滤网和/或空气杀菌模块。
  7. 根据权利要求1所述的多区域变风量的空气调节系统，其特征在于，所述风管的数量为一个，所述风管与所有所述新风阀串联。
  8. 根据权利要求7所述的多区域变风量的空气调节系统，其特征在于，所述新风阀为三通阀，所述新风阀的其中两个阀口与所述风管连通，另一个阀口与所述混合风箱连通。
  9. 根据权利要求1所述的多区域变风量的空气调节系统，其特征在于，所述风管的数量为多个，多个所述风管分别与所有所述新风阀一一对应。
  10. 根据权利要求1所述的多区域变风量的空气调节系统，其特征在于，所述风管为包裹有保温层的保温风管。
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