CN116238284A - Heat pump air conditioning system - Google Patents
Heat pump air conditioning system Download PDFInfo
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- CN116238284A CN116238284A CN202310216535.1A CN202310216535A CN116238284A CN 116238284 A CN116238284 A CN 116238284A CN 202310216535 A CN202310216535 A CN 202310216535A CN 116238284 A CN116238284 A CN 116238284A
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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
- B60H1/00007—Combined heating, ventilating, or cooling devices
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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
- B60H1/00321—Heat exchangers for air-conditioning devices
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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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
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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
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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Abstract
Description
技术领域technical field
本发明涉及热管理系统技术领域,尤其是涉及一种热泵空调系统。The invention relates to the technical field of heat management systems, in particular to a heat pump air conditioning system.
背景技术Background technique
热泵空调系统是新能源汽车的重要组成部分,其极大程度的影响了新能源汽车的续航里程及乘客的使用舒适度。现有热泵空调系统空调箱一般为两芯体结构,也即包括室内蒸发器和室内冷凝器,在高温环境下,利用室内蒸发器进行乘员舱制冷,室内冷凝器闲置,在低温环境下,利用室内冷凝器进行乘员舱制热,室内蒸发器闲置。因能源汽车的室内空间有限,则这种现有热泵空调系统的换热面积受限,热泵空调系统的换热效果均欠佳。The heat pump air-conditioning system is an important part of new energy vehicles, which greatly affects the mileage of new energy vehicles and the comfort of passengers. The air-conditioning box of the existing heat pump air-conditioning system generally has a two-core structure, that is, it includes an indoor evaporator and an indoor condenser. The indoor condenser is used for heating the passenger compartment, and the indoor evaporator is idle. Due to the limited indoor space of energy vehicles, the heat exchange area of the existing heat pump air conditioning system is limited, and the heat exchange effect of the heat pump air conditioning system is not good.
发明内容Contents of the invention
本发明的目的在于提供一种热泵空调系统,以在一定程度上解决现有技术中存在的热泵空调系统的换热欠佳技术问题。The purpose of the present invention is to provide a heat pump air-conditioning system to solve the technical problem of poor heat exchange existing in the prior art to a certain extent.
本发明提供了一种热泵空调系统,包括:动力源组件、换向组件、第一换热器、第二换热器、第三换热器和并联管道;所述第一换热器包括第一接口和第二接口,所述第二换热器包括第三接口和第四接口,所述第三换热器包括第一连通口和第二连通口;所述换向组件与所述动力源组件的流出端连通,所述换向组件分别与所述第一连通口、第二接口和第三接口连接,以将所述动力源组件与所述第一连通口连通或者将所述动力源组件分别与所述第二接口和所述第三接口连通;所述第二接口通过第一管路与所述动力源组件的流入端连通,所述第一管路上设有第一阀,所述第三接口通过第二管路与所述动力源组件的流入端连通,所述第二管路上设有第二阀;所述第一接口通过第三管路与所述第二连通口连通,所述第四接口通过第四管路与所述第一连通口连通;所述并联管道的一端与所述第一接口连通,另一端与所述第四接口连通;所述第二连通口通过第一支管与所述动力源组件的流入端连通,所述第一支管上设有第三阀。The present invention provides a heat pump air-conditioning system, comprising: a power source assembly, a reversing assembly, a first heat exchanger, a second heat exchanger, a third heat exchanger and parallel pipes; the first heat exchanger includes a first An interface and a second interface, the second heat exchanger includes a third interface and a fourth interface, the third heat exchanger includes a first communication port and a second communication port; the reversing assembly and the power The outflow end of the source assembly communicates, and the reversing assembly is respectively connected to the first communication port, the second interface and the third interface, so as to communicate the power source assembly with the first communication port or connect the power source assembly to the first communication port. The source assembly communicates with the second interface and the third interface respectively; the second interface communicates with the inflow end of the power source assembly through a first pipeline, and the first pipeline is provided with a first valve, The third interface communicates with the inflow end of the power source assembly through a second pipeline, and a second valve is arranged on the second pipeline; the first interface communicates with the second communication port through a third pipeline The fourth port communicates with the first port through the fourth pipeline; one end of the parallel pipeline communicates with the first port, and the other end communicates with the fourth port; the second port communicates The port communicates with the inflow end of the power source assembly through a first branch pipe, and a third valve is arranged on the first branch pipe.
当需要制冷时,换向组件将动力源组件的流出端与第三换热器的第一连通口连通,切断动力源组件与第二接口和第三接口的连通管路;可以使第一阀和第二阀均打开(也即第一管路和第二管路均打开),关闭第三阀(也即关闭第一支管):介质由动力源组件流出至第三换热器内,流出第三换热器的介质中,一部分介质由第一接口进入第一换热器内进行换热,换热后的介质由第二接口进入第一管路,然后流回动力源组件。另一部分介质由并联管道进入第四接口,然后进入第二换热器进行换热,换热后的介质由第三接口流入第二管路,然后流回动力源组件,实现了第一换热器和第二换热器的并联,此时,两个换热器均工作,制冷强度高,制冷效率高。当然,可以选择性的关闭第二阀,从而关闭第二管路,使得介质只经过第一换热器换热,此时,第一换热器作为蒸发器使用,可以实现一般制冷。When refrigeration is required, the reversing assembly communicates the outflow end of the power source assembly with the first communication port of the third heat exchanger, and cuts off the communication pipeline between the power source assembly and the second interface and the third interface; the first valve can be and the second valve are both open (that is, the first pipeline and the second pipeline are both open), and the third valve is closed (that is, the first branch pipe is closed): the medium flows out from the power source assembly into the third heat exchanger, and flows out In the medium of the third heat exchanger, a part of the medium enters the first heat exchanger through the first interface for heat exchange, and the heat-exchanged medium enters the first pipeline through the second interface, and then flows back to the power source assembly. The other part of the medium enters the fourth interface through the parallel pipeline, and then enters the second heat exchanger for heat exchange. The heat-exchanged medium flows into the second pipeline through the third interface, and then flows back to the power source assembly, realizing the first heat exchange The parallel connection of the heat exchanger and the second heat exchanger, at this time, both heat exchangers work, the cooling intensity is high, and the cooling efficiency is high. Of course, the second valve can be selectively closed, thereby closing the second pipeline, so that the medium only passes through the first heat exchanger for heat exchange. At this time, the first heat exchanger is used as an evaporator to realize general refrigeration.
本发明提供的热泵空调系统中,至少可以在制冷过程中实现第一换热器和第二换热器并联,两者均作为蒸发器使用,可以在不增加蒸发器的数量前提下,增大换热面积,提高换热效率,改善换热效果。In the heat pump air-conditioning system provided by the present invention, at least the parallel connection of the first heat exchanger and the second heat exchanger can be realized during the refrigeration process, both of which can be used as evaporators, and the number of evaporators can be increased without increasing the number of evaporators. Heat exchange area, improve heat exchange efficiency, improve heat exchange effect.
进一步地,所述第二管路与所述换向组件连通,所述第一管路与所述第二管路连通;所述第二阀位于所述第二管路与所述换向组件的连通点以及所述第一管路和所述第二管路的连通点之间,所述第一阀位于所述第一管路与所述第二管路的连通点以及所述第一管路与所述动力源组件的流入端的连通点之间。Further, the second pipeline communicates with the reversing assembly, the first pipeline communicates with the second pipeline; the second valve is located between the second pipeline and the reversing assembly Between the connection point of the first pipeline and the connection point of the second pipeline, the first valve is located at the connection point of the first pipeline and the second pipeline and the first Between the connection point of the pipeline and the inflow end of the power source assembly.
在需要制热时,换向组件将动力源组件的流出端与第二管路连通,打开第二阀,关闭第一阀,此时动力源组件的流出端与第二接口和第三接口均连通,将第三阀打开:由动力源组件的流出端流出的介质进入第二管路,一部分介质由第三接口进入第二换热器换热后由第四接口流出;另一部分介质通过第二阀后进入第一管路,然后由第二接口进入第一换热器换热后由第一接口流出,然后进入并联管道7,该部分介质与由第四接口流出的介质汇合流向第一连通口,介质进入第三换热器换热后由第二连通口流出,并流向第一支管,由第一支管流回动力源组件。此时,两个换热器均工作,制热强度高,制热效率高。当然可以选择性的关闭第二阀,切断动力源组件的流出端与第二接口的连通,此时,介质进入第二换热器换热,而不进入第一换热器换热,实现一般制热。When heating is required, the reversing assembly connects the outflow end of the power source assembly with the second pipeline, opens the second valve, and closes the first valve. At this time, the outflow end of the power source assembly is connected to the second interface and the third interface. Connected, open the third valve: the medium flowing out from the outflow end of the power source assembly enters the second pipeline, part of the medium enters the second heat exchanger through the third interface and flows out through the fourth interface after exchanging heat; the other part of the medium passes through the second heat exchanger After the second valve, it enters the first pipeline, then enters the first heat exchanger through the second interface and flows out through the first interface, and then enters the
能够实现第一换热器和第二换热器同时作为蒸发器和冷凝器使用,在不增加蒸发器和冷凝器的数量前提下,增大换热面积,提高换热效率,改善换热效果;还可以实现制热强度的选择,可以第一换热器和第二换热器均换热,也可以第二换热器换热,而且,可以简化热泵空调系统的管路结构。The first heat exchanger and the second heat exchanger can be used as evaporator and condenser at the same time, without increasing the number of evaporators and condensers, the heat exchange area can be increased, the heat exchange efficiency can be improved, and the heat exchange effect can be improved ; It can also realize the selection of heating intensity, both the first heat exchanger and the second heat exchanger can exchange heat, and the second heat exchanger can also exchange heat, and the pipeline structure of the heat pump air-conditioning system can be simplified.
进一步地,所述并联管道上设有第一单向阀,所述第一单向阀阻止流体由所述第四接口侧流向所述第一接口侧。Further, the parallel pipeline is provided with a first one-way valve, and the first one-way valve prevents fluid from flowing from the fourth interface side to the first interface side.
进一步地,所述热泵空调系统还包括第四换热器;所述第四换热器连接在所述第一支管上。Further, the heat pump air-conditioning system further includes a fourth heat exchanger; the fourth heat exchanger is connected to the first branch pipe.
进一步地,所述换向组件和所述并联管道均与所述第四管路连通;所述第四管路上连接有第二单向阀,所述第二单向阀位于所述换向组件与所述第四管路的连通点和所述并联管道与所述第四管路的连通点之间。Further, both the reversing assembly and the parallel pipeline are in communication with the fourth pipeline; a second one-way valve is connected to the fourth pipeline, and the second one-way valve is located in the reversing assembly. Between the communication point with the fourth pipeline and the communication point between the parallel pipeline and the fourth pipeline.
进一步地,所述第四管路上还设有第四阀;所述第一支管和所述并联管道均与所述第三管路连通;所述第三管路上设有第五阀。Further, a fourth valve is provided on the fourth pipeline; both the first branch pipe and the parallel pipeline are connected to the third pipeline; a fifth valve is provided on the third pipeline.
进一步地,所述热泵空调系统还包括第二支管,所述第二支管的一端与所述动力源组件的流出端连通,另一端与所述动力源组件的流入端连通,所述第二支管上设有第六阀。Further, the heat pump air-conditioning system further includes a second branch pipe, one end of the second branch pipe communicates with the outflow end of the power source assembly, and the other end communicates with the inflow end of the power source assembly, and the second branch pipe There is a sixth valve on it.
进一步地,所述换向组件为三通电磁阀。Further, the reversing assembly is a three-way solenoid valve.
进一步地,所述热泵空调系统还包括第三支管和第四支管;所述第三支管连通在所述动力源组件的流出端和所述第二管路之间,所述第四支管连通在所述动力源组件的流出端与所述第四管路之间;所述换向组件包括设置在所述第三支管上的第一并联电磁阀和设置在所述第四支管上的第二并联电磁阀。Further, the heat pump air-conditioning system further includes a third branch pipe and a fourth branch pipe; the third branch pipe communicates between the outflow end of the power source assembly and the second pipeline, and the fourth branch pipe communicates with the Between the outflow end of the power source assembly and the fourth pipeline; the reversing assembly includes a first parallel solenoid valve set on the third branch pipe and a second parallel solenoid valve set on the fourth branch pipe Parallel solenoid valves.
进一步地,所述第二换热器还包括第五接口,所述热泵空调系统还包括第五支管,所述第五支管连通在所述第二管路和所述第五接口之间;所述第二管路上,位于所述第二管路与所述第五支管的连通点和所述第三接口之间,设有第七阀,所述第五支管上设有第八阀。Further, the second heat exchanger also includes a fifth interface, and the heat pump air-conditioning system further includes a fifth branch pipe, and the fifth branch pipe communicates between the second pipeline and the fifth interface; On the second pipeline, a seventh valve is provided between the connection point between the second pipeline and the fifth branch pipe and the third interface, and an eighth valve is provided on the fifth branch pipe.
应当理解,前述的一般描述和接下来的具体实施方式两者均是为了举例和说明的目的并且未必限制本公开。并入并构成说明书的一部分的附图示出本公开的主题。同时,说明书和附图用来解释本公开的原理。It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate subject matter of the present disclosure. Meanwhile, the specification and drawings serve to explain the principles of the present disclosure.
附图说明Description of drawings
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案,下面将对具体实施方式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,下面描述中的附图是本发明的一些实施方式,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,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1为本发明第一实施例的热泵空调系统的原理图;1 is a schematic diagram of a heat pump air-conditioning system according to a first embodiment of the present invention;
图2为本发明第二实施例的热泵空调系统的原理图;2 is a schematic diagram of a heat pump air-conditioning system according to a second embodiment of the present invention;
图3为图2所示的热泵空调系统在制冷模式下或制冷双温区模式下的运行图;Fig. 3 is an operation diagram of the heat pump air-conditioning system shown in Fig. 2 in the cooling mode or in the cooling dual temperature zone mode;
图4为图2所示的热泵空调系统在制冷模式和发热部件强制冷却模式下的运行图;FIG. 4 is an operation diagram of the heat pump air-conditioning system shown in FIG. 2 in the cooling mode and the forced cooling mode of the heat-generating components;
图5为图2所示的热泵空调系统在发热部件强制冷却模式下的运行图;FIG. 5 is an operation diagram of the heat pump air-conditioning system shown in FIG. 2 in the forced cooling mode of the heat-generating components;
图6为图2所示的热泵空调系统在制热模式下的运行图;FIG. 6 is an operation diagram of the heat pump air-conditioning system shown in FIG. 2 in the heating mode;
图7为图2所示的热泵空调系统在压缩机自加热制热模式下的运行图;FIG. 7 is an operation diagram of the heat pump air-conditioning system shown in FIG. 2 in the compressor self-heating heating mode;
图8为图2所示的热泵空调系统在除湿模式下的运行图。Fig. 8 is an operation diagram of the heat pump air-conditioning system shown in Fig. 2 in the dehumidification mode.
图标:1-压缩机;2-气液分离器;3-第三换热器;301-第一连通口;302-第二连通口;4-第一换热器;401-第一接口;402-第二接口;5-第二换热器;501-第三接口;502-第四接口;503-第五接口;6-第四换热器;7-并联管道;8-第一管路;9-第二管路;10-第一支管;11-第三管路;12-第四管路;13-第一单向阀;14-第二单向阀;15-第二支管;16-第三支管;17-第四支管;18-第五支管;19-第一并联电磁阀;20-第二并联电磁阀;21-第三并联电磁阀;22-第四并联电磁阀;23-第一并联电子膨胀阀;24-第二并联电子膨胀阀;25-第三并联电子膨胀阀;26-第四并联电子膨胀阀;27-第五并联电子膨胀阀;28-第六并联电子膨胀阀;29-鼓风机。Icons: 1-compressor; 2-gas-liquid separator; 3-third heat exchanger; 301-first communication port; 302-second communication port; 4-first heat exchanger; 401-first interface; 402-second interface; 5-second heat exchanger; 501-third interface; 502-fourth interface; 503-fifth interface; 6-fourth heat exchanger; 7-parallel pipe; 8-first pipe 9-the second pipeline; 10-the first branch; 11-the third pipeline; 12-the fourth pipeline; 13-the first one-way valve; 14-the second one-way valve; 15-the second branch ; 16-the third branch pipe; 17-the fourth branch pipe; 18-the fifth branch pipe; 19-the first parallel solenoid valve; 20-the second parallel solenoid valve; 21-the third parallel solenoid valve; 22-the fourth parallel solenoid valve ; 23-first parallel electronic expansion valve; 24-second parallel electronic expansion valve; 25-third parallel electronic expansion valve; 26-fourth parallel electronic expansion valve; 27-fifth parallel electronic expansion valve; 28-sixth Parallel electronic expansion valve; 29-blower.
具体实施方式Detailed ways
下面将结合附图对本发明的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them.
通常在此处附图中描述和显示出的本发明实施例的组件可以以各种不同的配置来布置和设计。因此,以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围,而是仅仅表示本发明的选定实施例。The components of the embodiments of the invention generally described and shown in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention.
基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
在本发明的描述中,需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”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。此外,术语“第一”、“第二”、“第三”、“第四”、“第五”、“第六”、“第七”、“第八”仅用于描述目的,而不能理解为指示或暗示相对重要性。In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh", and "eighth" are used for descriptive purposes only and do not Read as indicating or implying relative importance.
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
需要说明的是,本发明实施例中的第三换热器3主要与室外空气换热,第一换热器4和第二换热器5主要与鼓风机29吸入空气换热,第四换热器6主要是与冷却介质换热。It should be noted that the
如图1至图8所示,本发明提供一种热泵空调系统,包括动力源组件、换向组件、第一换热器4、第二换热器5、第三换热器3和并联管道7;第一换热器4包括第一接口401和第二接口402,第二换热器5包括第三接口501和第四接口502,第三换热器3包括第一连通口301和第二连通口302;换向组件与动力源组件的流出端(也即介质由动力源组件流出的一侧)连通,换向组件分别与第一连通口301、第二接口402和第三接口501连接,以将动力源组件与第一连通口301连通或者将动力源组件分别与第二接口402和第三接口501连通;第二接口402通过第一管路8与动力源组件的流入端(也即介质流入动力源组件流出的一侧)连通,第一管路8上设有第一阀,第三接口501通过第二管路9与动力源组件的流入端连通,第二管路9上设有第二阀;第一接口401通过第三管路11与第二连通口302连通,第四接口502通过第四管路12与第一连通口301连通;并联管道7的一端与第一接口401连通,另一端与第四接口502连通;第二连通口302通过第一支管10与动力源组件的流入端连通,第一支管10上设有第三阀。As shown in Figures 1 to 8, the present invention provides a heat pump air conditioning system, including a power source assembly, a reversing assembly, a
本实施例中,当需要制冷时,换向组件将动力源组件的流出端与第三换热器3的第一连通口301连通,切断动力源组件与第二接口402和第三接口501的连通管路;可以使第一阀和第二阀均打开(也即第一管路8和第二管路9均打开),关闭第三阀(也即关闭第一支管10):介质由动力源组件流出至第三换热器3内,流出第三换热器3的介质中,一部分介质由第一接口401进入第一换热器4内进行换热,换热后的介质由第二接口402进入第一管路8,然后流回动力源组件。另一部分介质由并联管道7进入第四接口502,然后进入第二换热器5进行换热,换热后的介质由第三接口501流入第二管路9,然后流回动力源组件,实现了第一换热器4和第二换热器5的并联,此时,两个换热器均工作,制冷强度高,制冷效率高。当然,可以选择性的关闭第二阀,从而关闭第二管路9,使得介质只经过第一换热器4换热,此时,第一换热器4作为蒸发器使用,可以实现一般制冷。In this embodiment, when cooling is required, the reversing assembly communicates the outflow end of the power source assembly with the
本实施例提供的热泵空调系统中,至少可以在制冷过程中实现第一换热器4和第二换热器5并联,两者均作为蒸发器使用,可以在不增加蒸发器的数量前提下,增大换热面积,提高换热效率,改善换热效果。In the heat pump air-conditioning system provided in this embodiment, at least the parallel connection of the
其中,可以设置相互独立的管路来实现换向组件分别与第一接口401和第二接口402连接,第一管路8和第二管路9相互独立,此时,当需要制热时,换向组件将动力源组件的流出端分别与第二接口402和第三接口501连通,第一阀关闭,第二阀和第三阀均打开,由动力源组件的流出端流出的介质:一部分介质由第三接口501进入第二换热器5换热后由第四接口502流出;另一部分介质由第二接口402进入第一换热器4换热后由第一接口401流出,然后进入并联管道7,该部分介质与由第四接口502流出的介质汇合流向第一连通口301,介质进入第三换热器3换热后由第二连通口302流出,并流向第一支管10,由第一支管10流回动力源组件。此时,两个换热器均作冷凝器工作,制热强度高,制热效率高。Among them, mutually independent pipelines can be set to realize the connection between the reversing components and the
本实施例提供的热泵空调系统中,可以实现第一换热器4和第二换热器5既可以作为冷凝器使用又可以作为蒸发器使用,在不增加蒸发器和冷凝器的数量前提下,增大换热面积,提高换热效率,改善换热效果。In the heat pump air conditioning system provided in this embodiment, the
作为一种可选方案,如图1至图8所示,第二管路9与换向组件连通,第一管路8与第二管路9连通(也即,第二管路9通过第一管路8与动力源组件的流入端连通,第一管路8通过第二管路9与换向组件连通);第二阀位于第二管路9与换向组件的连通点以及第一管路8和第二管路9的连通点之间,第一阀位于第一管路8与第二管路9的连通点以及第一管路8与动力源组件的流入端的连通点之间。As an alternative, as shown in Figures 1 to 8, the
本实施例中,制冷过程与上述过程相同,在次不再赘述。第二接口402通过第一管路8和第二管路9实现与换向组件的连通,第三接口501通过第二管路9和第一管路8实现与动力源组件的流入端的连通,可以避免设置其他管路,使得热泵空调系统的管路结构简单。在需要制热时,换向组件将动力源组件的流出端与第二管路9连通,打开第二阀,关闭第一阀,此时动力源组件的流出端与第二接口402和第三接口501均连通,将第三阀打开:由动力源组件的流出端流出的介质进入第二管路9,一部分介质由第三接口501进入第二换热器5换热后由第四接口502流出;另一部分介质通过第二阀后进入第一管路8,然后由第二接口402进入第一换热器4换热后由第一接口401流出,然后进入并联管道7,该部分介质与由第四接口502流出的介质汇合流向第一连通口301,介质进入第三换热器3换热后由第二连通口302流出,并流向第一支管10,由第一支管10流回动力源组件。此时,两个换热器均工作,制热强度高,制热效率高。当然可以选择性的关闭第二阀,切断动力源组件的流出端与第二接口402的连通,此时,介质进入第二换热器5换热,而不进入第一换热器4换热,实现一般制热。In this embodiment, the refrigeration process is the same as the above process, and will not be repeated here. The
本实施例提供的热泵空调系统能够实现第一换热器4和第二换热器5同时作为蒸发器和冷凝器使用,在不增加蒸发器和冷凝器的数量前提下,增大换热面积,提高换热效率,改善换热效果;还可以实现制热强度的选择,可以第一换热器4和第二换热器5均换热,也可以第二换热器5换热,而且,可以简化热泵空调系统的管路结构。The heat pump air conditioning system provided in this embodiment can realize that the
还可以在热泵空调系统中设置用于检测介质压力和温度的元件。Elements for detecting medium pressure and temperature can also be provided in the heat pump air conditioning system.
如图1至图8所示,在上述实施例基础之上,进一步地,并联管道7上设有第一单向阀13,第一单向阀13阻止流体由第四接口502侧流向第一接口401侧,避免介质逆流,保障流体流向的控制效果。As shown in Figures 1 to 8, on the basis of the above embodiments, further, the
如图1至图8所示,在上述实施例基础之上,进一步地,热泵空调系统还包括第四换热器6,第四换热器6连接在第一支管10上。具体地,第三阀连接在第一支管10上,且位于第四换热器6和第三管路11与第一支管10的连通点之间。As shown in FIGS. 1 to 8 , on the basis of the above embodiments, the heat pump air-conditioning system further includes a
本实施例中,设置第四换热器6可以实现对车辆上的发热部件(例如:电池或者发电机等)进行冷却,或者回收发热部件的余热用于制热。In this embodiment, the installation of the
如图1至图8所示,在上述实施例基础之上,进一步地,换向组件和并联管道7均与第四管路12连通;第四管路12上连接有第二单向阀14,第二单向阀14位于换向组件与第四管路12的连通点和并联管道7与第四管路12的连通点之间,第二单向阀14阻止介质由换向组件与第四管路12的连通点向并联管道7与第四管路12的连通点的方向,以及第二换热器5方向流通。As shown in Figures 1 to 8, on the basis of the above-mentioned embodiments, further, both the reversing assembly and the
如图1至图8所示,在上述实施例基础之上,进一步地,第四管路12上还设有第四阀;第一支管10和并联管道7均与第三管路11连通;第三管路11上设有第五阀。有利于热泵空调系统实现更多工作模式,具体应用在下文的具体举例中进行详细说明。As shown in Figures 1 to 8, on the basis of the above embodiments, further, a fourth valve is also provided on the
如图1至图8所示,在上述实施例基础之上,进一步地,热泵空调系统还包括第二支管15,第二支管15的一端与动力源组件的流出端连通,另一端与动力源组件的流入端连通,第二支管15上设有第六阀,这种设置有利于热泵空调系统实现更多工作模式,具体应用在下文的具体举例中进行详细说明。As shown in Figures 1 to 8, on the basis of the above embodiments, the heat pump air-conditioning system further includes a
作为一种可选方案,换向组件可以为三通电磁阀,采用集成式电磁阀可以使得热泵空调系统的管路结构简单。As an optional solution, the reversing component can be a three-way solenoid valve, and the use of an integrated solenoid valve can make the pipeline structure of the heat pump air-conditioning system simple.
作为一种可选方案,热泵空调系统还包括第三支管16和第四支管17;第三支管16连通在动力源组件的流出端和第二管路9之间,第四支管17连通在动力源组件的流出端与第四管路12之间;换向组件包括设置在第三支管16上的第一并联电磁阀19和设置在第四支管17上的第二并联电磁阀20。本实施例中,当需要将动力源组件的流出端与第三换热器3连通时,打开第二并联电磁阀20,关闭第一并联电磁阀19;当需要将动力源组件的流出端与第二管路9连通时,关闭第二并联电磁阀20,打开第一并联电磁阀19。采用电磁阀实现换向控制,可以使得换向组件的成本低。As an optional solution, the heat pump air-conditioning system also includes a
如图2至图8所示,在上述实施例基础之上,进一步地,第二换热器5还包括第五接口503,热泵空调系统还包括第五支管18,第五支管18连通在第二管路9和第五接口503之间;第二管路9与第五支管18的连通点和第三接口501之间设有第七阀,第五支管18上设有第八阀。As shown in Figures 2 to 8, on the basis of the above embodiments, further, the
本事实施例中,可以通过第七阀和第八阀来控制第一介质进入第二换热器5的流量,从而可以实现双温区功能,避免设置温度风门,降低生产成本。In this embodiment, the flow of the first medium into the
第一阀、第二阀、第三阀、第四阀、第五阀、第六阀、第七阀以及第八阀均可以采用电动阀等。The first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve and the eighth valve can all use electric valves or the like.
具体地,在本发明的一些实施例中,第一阀和第二阀可以起到开断的作用,可选地,第一阀为第三并联电磁阀21,第二阀为第四并联电磁阀22;第三阀、第四阀、第五阀、第六阀、第七阀和第八阀可以起到调节流量的作用,较佳均采用并联电子膨胀阀,也即分别为第一并联电子膨胀阀23、第二并联电子膨胀阀24、第三并联电子膨胀阀25、第四并联电子膨胀阀26、第五并联电子膨胀阀27和第六并联电子膨胀阀28。Specifically, in some embodiments of the present invention, the first valve and the second valve can play the role of breaking, optionally, the first valve is the third
具体地,动力源组件包括压缩机1和气液分离器2,气液分离器2的进口端为动力源组件的流入端,压缩机1的出口端为动力源组件的流出端,气液分离器2的出口端与压缩机1的进口端连通。气液分离器2可以为套管式,也可为U型管式,结构不限,主要起到液态制冷剂和气态制冷剂分离、储液、回油、干燥、过滤等作用,可防止压缩机1缺油及湿压缩。Specifically, the power source assembly includes a compressor 1 and a gas-
具体地,在第一换热器4的一侧设置鼓风机29,从而可将第一换热器4和第二换热器5处的空气吹入乘员舱。Specifically, a
下面以换向组件包括第一并联电磁阀19和第二并联电磁阀20,以及包括其他实施例技术特征的实施例(如图2所示)具体说明热泵空调系统不同工作模式下的工作过程:The working process of the heat pump air-conditioning system in different working modes will be specifically described below with the reversing assembly including the first
如图3所示,热泵空调系统的制冷模式:As shown in Figure 3, the cooling mode of the heat pump air conditioning system:
第一并联电磁阀19关闭,第二并联电磁阀20、第三并联电磁阀21和第四并联电磁阀22打开;第一并联电子膨胀阀23和第四并联电子膨胀阀26均关闭,第二并联电子膨胀阀24、第三并联电子膨胀阀25、第五并联电子膨胀阀27和第六并联电子膨胀阀28均打开,鼓风机29打开。压缩机1排出高温高压制冷剂通过第二并联电磁阀20和第二并联电子膨胀阀24流入第三换热器3,此时第二并联电子膨胀阀24全开,制冷剂在第三换热器3内冷凝放热后通过第三并联电子膨胀阀节流分支两路,一路通过第一接口401流入第一换热器4内以吸收空气热量,然后从第二接口402流出;另一路通过第一单向阀13从第四接口502流入第二换热器5内以吸收空气热量后,分别从第三接口501和第五接口503流出,分别经过第五并联电子膨胀阀27、第六并联电子膨胀阀28和第四并联电磁阀22与第二接口402流出的制冷剂汇合一起流入第三并联电磁阀21,然后进入气液分离器2,此时第五并联电子膨胀阀27和第六并联电子膨胀阀28均为全开。制冷剂在气液分离器2中进行气液分离干燥后流入压缩机1,至此完成制冷剂制冷模式循环。鼓风机29吸入空气依次经过第一换热器4,第二换热器5换热后吹入到乘员舱,实现乘员舱制冷。The first
制冷模式运行时,也可以将第四并联电磁阀22、第五并联电子膨胀阀27和第六并联电子膨胀阀28均关闭,即控制制冷剂不在第二换热器5内流动与空气进行换热,制冷剂其它流动方式同上述流动过程,在此不再赘述。When the cooling mode is running, the fourth
双温区制冷模式运行时,通过调控第五并联电子膨胀阀27和第六并联电子膨胀阀28开度即可,打开第五并联电子膨胀阀27和第六并联电子膨胀阀28两者中的一个,或者第五并联电子膨胀阀27和第六并联电子膨胀阀28均打开,但是开度不同,即控制流出第二换热器5两芯体内的流量来控制制冷剂与空气的热交换量,制冷剂其它流动方式同高温制冷模式流动过程一致,在此不再赘述。When operating in the cooling mode with dual temperature zones, it is sufficient to adjust the opening degrees of the fifth parallel
如图4所示,热泵空调系统的制冷模式和发热部件强制冷却模式:As shown in Figure 4, the cooling mode of the heat pump air-conditioning system and the forced cooling mode of the heat-generating components:
在制冷模式下,发热部件超过自身的安全要求温度时,需要对发热部件进行冷却。第一并联电磁阀19关闭,第二并联电磁阀20、第三并联电磁阀21和第四并联电磁阀22均打开;第四并联电子膨胀阀26关闭,第一并联电子膨胀阀23、第二并联电子膨胀阀24、第三并联电子膨胀阀25、第五并联电子膨胀阀27和第六并联电子膨胀阀28均打开;鼓风机29打开。压缩机1排出高温高压制冷剂通过第二并联电磁阀20和第二并联电子膨胀阀24流入第三换热器3,此时第二并联电子膨胀阀24全开,制冷剂在第三换热器3内冷凝放热后分支两路,一路经过第一并联电子膨胀阀23节流后流入第四换热器6,此时制冷剂在第四换热器6内蒸发吸热,然后流出至气液分离器2中;另一路流入第三并联电子膨胀阀25节流,节流后的制冷剂再次分支两路,一路通过第一接口401流入第一换热器4吸收空气热量,然后从第二接口402流出,另一路通过第一单向阀13从第四接口502流入第二换热器5继续吸收空气热量后,分别从第三接口501和第五接口503流出经过第五并联电子膨胀阀27和第六并联电子膨胀阀28,然后经过第四并联电磁阀22与由第二接口402流出的制冷剂汇合一起流入第三并联电磁阀21和气液分离器2,此时第五并联电子膨胀阀27和第六并联电子膨胀阀28均可以为全开。制冷剂在气液分离器2中进行气液分离干燥后流入压缩机1,完成制冷剂制冷模式和发热部件强制冷却模式循环。鼓风机29吸入环境中的空气依次经过第一换热器4,第二换热器5换热后吹入到乘员舱,实现乘员舱制冷。In the cooling mode, when the temperature of the heat-generating component exceeds its own safety requirement, the heat-generating component needs to be cooled. The first
如图5所示,热泵空调系统的发热部件强制冷却模式:As shown in Figure 5, the forced cooling mode of the heat-generating components of the heat pump air-conditioning system:
乘员舱内没有制冷需求,发热部件超过自身的安全要求温度时,需要对发热部件制冷。此时,可以将第二并联电磁阀20打开,第一并联电磁阀19、第三并联电磁阀21和第四并联电磁阀22均关闭;第三并联电子膨胀阀25、第四并联电子膨胀阀26、第五并联电子膨胀阀27和第六并联电子膨胀阀28均关闭,第一并联电子膨胀阀23和第二并联电子膨胀阀24均打开,鼓风机29关闭。压缩机1排出高温高压制冷剂通过第二并联电磁阀20和第二并联电子膨胀阀24后流入第三换热器3,此时第二并联电子膨胀阀24全开,制冷剂在第三换热器3内冷凝放热后经过第一并联电子膨胀阀23节流流入第四换热器6,此时制冷剂在第四换热器6内蒸发吸热,然后流出至气液分离器2中,制冷剂在气液分离器2中进行气液分离干燥后流入压缩机1,完成发热部件强制冷却模式循环。There is no cooling requirement in the passenger compartment, and when the temperature of the heating component exceeds its own safety requirement, it needs to be cooled. At this time, the second
如图6所示,热泵空调系统的制热模式:As shown in Figure 6, the heating mode of the heat pump air conditioning system:
第一并联电磁阀19和第四并联电磁阀22打开,第二并联电磁阀20和第三并联电磁阀21关闭,第三并联电子膨胀阀25和第四并联电子膨胀阀26均关闭,第一并联电子膨胀阀23、第二并联电子膨胀阀24、第五并联电子膨胀阀27和第六并联电子膨胀阀28均打开;鼓风机29打开。压缩机1排出高温高压制冷剂通过第一并联电磁阀19后分支两路,一路分别经过第五并联电子膨胀阀27和第六并联电子膨胀阀28后通过相应的第三接口501和第五接口503流入第二换热器5冷凝放热,第五并联电子膨胀阀27和第六并联电子膨胀阀28均可以调节流量,两者全打开则为乘员舱单温区制热,两者通过控制调节进行流量分配则可实现乘员舱双温区制热;另一路经过第四并联电磁阀22后,通过第二接口402流入第一换热器4冷凝放热,放热后制冷剂通过第一接口401流出,然后和制冷剂经过第一单向阀13后与通过第四接口502流出的制冷剂汇合一起流入第二单向阀14,然后流过第二并联电子膨胀阀24节流,制冷剂在第三换热器3内蒸发吸热后依次流入第一并联电子膨胀阀23,第四换热器6和气液分离器2,此时第一并联电子膨胀阀23全开,第四换热器6内无冷却液流动,制冷剂在第四换热器6内不进行换热,第四换热器6相当于连接通道。制冷剂在气液分离器2中进行气液分离干燥后流入压缩机1,完成制冷剂制热模式循环。鼓风机29吸入环境中的空气依次经过第一换热器4,第二换热器5换热后吹入到乘员舱,实现乘员舱制热。The first
在制热乘员舱模式下,若发热部件有余热可以回收利用,制冷剂从第三换热器3内蒸发吸热后依次流入第一并联电子膨胀阀23,第四换热器6,此时第一并联电子膨胀阀23节流,第四换热器6内制冷剂与余热进行热交换,吸收余热,然后流出至气液分离器2和压缩机1,完成发热部件余热回收模式。In the heating passenger compartment mode, if the heat-generating components have waste heat that can be recycled, the refrigerant evaporates and absorbs heat from the
制热模式运行时,也可以将第四并联电磁阀22关闭,即控制制冷剂不流入第一换热器4内流动与空气进行换热,制冷剂从压缩机1排气口流出经过第一并联电磁阀19,然后分别经过第五并联电子膨胀阀27和第六并联电子膨胀阀28后通过相应的第三接口501和第五接口503直接流入第二换热器5,其它流动方式同上述流动过程,在此不在一一赘述。When the heating mode is running, the fourth
如图7所示,热泵空调系统的压缩机1自加热制热模式:As shown in Figure 7, the compressor 1 of the heat pump air-conditioning system is in the self-heating and heating mode:
在较低温环境下,汽车在冷启动且乘员舱制热时,整车热泵空调系统会切换至压缩机1自加热制热乘员舱模式,将压缩机1的出口处气态制冷剂引致气液分离器2进口处以增加吸气密度,进而提高热泵空调系统制热能力。In a relatively low temperature environment, when the car is cold started and the passenger compartment is heated, the heat pump air conditioning system of the vehicle will switch to the mode of compressor 1 self-heating and heating the passenger compartment, and the gaseous refrigerant at the outlet of compressor 1 will cause gas-liquid separation. The inlet of the
此时,可以将第一并联电磁阀19和第四并联电磁阀22均打开,第二并联电磁阀20和第三并联电磁阀21均关闭;第三并联电子膨胀阀25关闭,第一并联电子膨胀阀23、第二并联电子膨胀阀24、第四并联电子膨胀阀26、第五并联电子膨胀阀27和第六并联电子膨胀阀28均打开;鼓风机29打开。压缩机1排出高温高压制冷剂分支两路,一路通过第四并联电子膨胀阀26流入气液分离器2;另一路流入第一并联电磁阀19,制冷剂从第一并联电磁阀19流出后又分支两路,一路分别经过第五并联电子膨胀阀27、第六并联电子膨胀阀28后通过相应的第三接口501和第五接口503流入第二换热器5冷凝放热,第五并联电子膨胀阀27和第六并联电子膨胀阀28均可以进行流量调节,两者全打开则为乘员舱单温区制热,两者通过控制调节进行流量分配则可实现乘员舱双温区制热;另一路经过第四并联电磁阀22后,通过第二接口402流入第一换热器4冷凝放热,放热后制冷剂通过第一接口401流出,然后流过第一单向阀13后,与由第四接口502流出的制冷剂汇合一起流入第二单向阀14,然后经过第二并联电子膨胀阀24和第三换热器3,制冷剂在第三换热器3内不发生换热直接流出至第一并联电子膨胀阀23,然后进入第四换热器6和气液分离器2,此时第一并联电子膨胀阀23全开,第四换热器6内无冷却液流动,制冷剂在第四换热器6内不进行换热,此回路相当于连接通道。制冷剂在气液分离器2中进行气液分离干燥后流入压缩机1吸气口,完成压缩机1自加热制热乘员舱模式循环。鼓风机29吸入环境中的空气依次经过第一换热器4,第二换热器5换热后吹入到乘员舱,实现乘员舱制热。At this time, both the first
如图8所示,热泵空调系统的除湿模式:As shown in Figure 8, the dehumidification mode of the heat pump air conditioning system:
当乘员舱内湿度过高时,需要对乘员舱除湿。可以将第二并联电磁阀20和第四并联电磁阀22均关闭,第一并联电磁阀19和第三并联电磁阀21均打开;第一并联电子膨胀阀23和第四并联电子膨胀阀26均关闭,第二并联电子膨胀阀24、第三并联电子膨胀阀25、第五并联电子膨胀阀27和第六并联电子膨胀阀28均打开,鼓风机29打开。压缩机1排出高温高压制冷剂通过第一并联电磁阀19后,分别经过第五并联电子膨胀阀27和第六并联电子膨胀阀28后通过相应的第三接口501和第五接口503流入第二换热器5,制冷剂在第二换热器5内冷凝放热后通过第四接口502流出,然后经过第二单向阀14和第二并联电子膨胀阀24流入第三换热器3,此时第二并联电子膨胀阀24节流,制冷剂在第三换热器3可冷凝放热,也可蒸发吸热,具体需根据环境温度和逻辑控制第二并联电子膨胀阀24的开度决定,然后经过第三并联电子膨胀阀25,通过第一接口401流入第一换热器4,在第一换热器4内吸收空气热量降低空气湿度通过第二接口402流出,然后依次经过第三并联电磁阀21和气液分离器2流入压缩机1。鼓风机29从乘员舱吸入的湿空气经过第一换热器4冷却减湿后,然后在经过第二换热器5吸热升温来维持乘员舱的舒适度,如此循环,实现乘员舱的除湿。When the humidity in the passenger compartment is too high, it is necessary to dehumidify the passenger compartment. Both the second
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。在此处所提供的说明书中,说明了大量具体细节。然而,能够理解,本发明的实施例可以在没有这些具体细节的情况下实践。在一些实例中,并未详细示出公知的方法、结构和技术,以便不模糊对本说明书的理解。此外,本领域的技术人员能够理解,尽管在此所述的一些实施例包括其它实施例中所包括的某些特征而不是其它特征,但是不同实施例的特征的组合意味着处于本发明的范围之内并且形成不同的实施例。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope. In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. Furthermore, those skilled in the art will understand that although some embodiments described herein include some features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the invention. and form different embodiments.
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