CN104896786A - Combined cooling and heating integrated machine with double evaporators - Google Patents
Combined cooling and heating integrated machine with double evaporators Download PDFInfo
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- CN104896786A CN104896786A CN201510260078.1A CN201510260078A CN104896786A CN 104896786 A CN104896786 A CN 104896786A CN 201510260078 A CN201510260078 A CN 201510260078A CN 104896786 A CN104896786 A CN 104896786A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/004—Outdoor unit with water as a heat sink or heat source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/009—Compression machines, plants or systems with reversible cycle not otherwise provided for indoor unit in circulation with outdoor unit in first operation mode, indoor unit in circulation with an other heat exchanger in second operation mode or outdoor unit in circulation with an other heat exchanger in third operation mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
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Abstract
本发明涉及一种双蒸发器的冷热联供一体机，属于能源类节能技术领域。本发明包括蒸发器Ⅰ、蒸发器Ⅱ、压缩机、四通换向阀、套管式冷凝器、节流装置、阀门Ⅰ、阀门Ⅱ；所述蒸发器Ⅰ的一端与阀门Ⅱ连接，蒸发器Ⅰ的另一端分别与蒸发器Ⅱ、四通换向阀的P口相连；蒸发器Ⅱ的一端与阀门Ⅰ连接，蒸发器Ⅱ的另一端与四通换向阀的P口相连；具体的，蒸发器Ⅰ、蒸发器Ⅱ和四通换向阀的P口用三通连接起来；节流装置出口与阀门Ⅰ、阀门Ⅱ采用三通相连接。本发明能通过双蒸发器来调节用户所需要的冷热负荷不匹配的情况，实现按需供热，按需供冷，提高机组的制冷制热效率，让机组高效运行，具有很强的实用性。
The invention relates to a double evaporator combined cooling and heating integrated machine, which belongs to the technical field of energy saving. The present invention includes evaporator I, evaporator II, compressor, four-way reversing valve, casing condenser, throttling device, valve I, and valve II; one end of the evaporator I is connected to the valve II, and the evaporator The other end of I is connected to the P port of the evaporator II and the four-way reversing valve; one end of the evaporator II is connected to the valve I, and the other end of the evaporator II is connected to the P port of the four-way reversing valve; specifically, The evaporator Ⅰ, evaporator Ⅱ and P port of the four-way reversing valve are connected with a three-way; the outlet of the throttling device is connected with the valve Ⅰ and valve Ⅱ with a three-way. The invention can adjust the mismatching of cooling and heating loads required by users through double evaporators, realize on-demand heating and on-demand cooling, improve the cooling and heating efficiency of the unit, and allow the unit to operate efficiently, with strong practicability .
Description
技术领域 technical field
本发明涉及一种双蒸发器的冷热联供一体机，属于能源类节能技术领域。 The invention relates to a dual evaporator combined cooling and heating integrated machine, which belongs to the technical field of energy saving.
背景技术 Background technique
在能源危机、环境危机的双重压力下，节能减排已经成为人们备受关注的话题。热泵是一种基于逆卡诺循环，从低位热源中吸取热量，并将热量传递给高位热源的一种高效节能装置。热泵作为空调的一种形式，广泛应用于的建筑冷热源中。其主要组成构件有蒸发器、冷凝器、节流装置和压缩机。空气源热泵在夏季运行时，将大量的冷凝热经冷凝器排放到环境中，造成能源浪费的同时也造成了环境热污染。从节能角度考虑，对其在夏季制冷过程中产生的冷凝热进行回收再利用，无论是这种回收冷凝热来提供热量的系统，还是制热时把系统产生的冷量回收再利用的系统都是冷热联供系统。 Under the dual pressure of energy crisis and environmental crisis, energy conservation and emission reduction has become a topic of great concern. The heat pump is a high-efficiency energy-saving device based on the reverse Carnot cycle, which absorbs heat from a low-level heat source and transfers heat to a high-level heat source. As a form of air conditioning, heat pumps are widely used in building cold and heat sources. Its main components are evaporator, condenser, throttling device and compressor. When the air source heat pump is running in summer, a large amount of condensation heat is discharged to the environment through the condenser, which causes energy waste and environmental thermal pollution. From the point of view of energy saving, it is necessary to recover and reuse the condensation heat generated in the cooling process in summer, whether it is a system that recovers condensation heat to provide heat, or a system that recovers and reuses the cold energy generated by the system during heating. It is a combined heating and cooling system.
冷热联供一体机，可以实现在夏季运行时，室内制冷的同时生产生活热水。冬季运行时，除了生产用于供暖和生活的热水还可以产生一定温度的冷冻水用于粮食的存储和蔬菜的保鲜。但是常规的冷热联供系统，随着运行时间的变化系统的能效系数将降低。因为在系统蒸发器压力基本保持不变时，随着冷凝温度/压力的上升，压缩机的压比将增大，输气系数将减小，系统单位容积的制冷量将降低。此外，对于热负荷大、冷负荷小的温和地区，系统还会出现冷热负荷不匹配的情况。因此，合理改造冷热联供一体机的系统结构，解决建筑能耗中冷、热负荷的匹配问题成为满足用户需求、提高系统性能、降低建筑能耗的关键所在。 The integrated cooling and heating unit can produce domestic hot water while cooling the room during summer operation. During winter operation, in addition to producing hot water for heating and domestic use, it can also generate frozen water at a certain temperature for grain storage and vegetable preservation. However, for conventional combined cooling and heating systems, the energy efficiency coefficient of the system will decrease as the operating time changes. Because when the system evaporator pressure remains basically constant, as the condensing temperature/pressure rises, the pressure ratio of the compressor will increase, the gas transmission coefficient will decrease, and the cooling capacity per unit volume of the system will decrease. In addition, for mild areas with large heating load and small cooling load, the system will also have a mismatch between cooling and heating loads. Therefore, rationally transforming the system structure of the integrated cooling and heating system and solving the matching problem of cooling and heating loads in building energy consumption have become the key to meeting user needs, improving system performance, and reducing building energy consumption.
发明内容 Contents of the invention
本发明要解决的技术问题是：本发明提供一种双蒸发器的冷热联供一体机，解决建筑能耗中冷负荷小、热负荷大的不匹配问题，调节系统的蒸发温度，从而提高系统性能、降低建筑能耗。 The technical problem to be solved by the present invention is: the present invention provides a dual evaporator cooling and heating integrated machine, which solves the mismatch problem of small cooling load and large heating load in building energy consumption, and adjusts the evaporation temperature of the system, thereby improving system performance and reduce building energy consumption.
本发明技术方案是：一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； The technical solution of the present invention is: a dual evaporator cooling and heating integrated machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, throttling device 6 , valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; one end of the evaporator II2 is connected to the valve I7 Connection, the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P port of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected with a three-way; the throttling device 6 The outlet is connected with valve Ⅰ7 and valve Ⅱ8 with a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅰ1蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid evaporates and absorbs heat through the evaporator I1 to become a low-temperature and low-pressure gas; such a cycle completes the combined cooling and heating.
本发明在常规冷热联供系统结构的基础上，采用增加一个风冷式蒸发器，并将其与原系统中的套管式蒸发器并联，来解决冷热负荷不匹配的情况。设计合理的双蒸发器冷热联供一体机的结构，在满足室内冷负荷需求后，系统切换至室外风冷式蒸发器从空气中泵热，来弥补冷热负荷的差值，调节系统的蒸发温度，使系统满足冷热负荷匹配的同时依然可以高效运行； On the basis of the structure of the conventional combined cooling and heating system, the present invention adopts an additional air-cooled evaporator and connects it in parallel with the sleeve-type evaporator in the original system to solve the situation of mismatching cooling and heating loads. The structure of the dual evaporator cooling and heating integrated machine is reasonably designed. After meeting the indoor cooling load demand, the system switches to the outdoor air-cooled evaporator to pump heat from the air to make up for the difference between the cooling and heating loads and adjust the system. The evaporating temperature enables the system to meet the matching of cooling and heating loads while still operating efficiently;
在冷热联供时，对于冷、热负荷不匹配的情况，采用蒸发器Ⅰ1与蒸发器Ⅱ2并联，从低温热源中泵热，来满足用户对热量的需求；其中蒸发器Ⅰ1用于从低温热源泵热来弥补热负荷与冷负荷的差值，蒸发器Ⅱ2用于制冷，满足室内冷负荷。 In the case of combined cooling and heating, for the case where the cooling and heating loads do not match, the evaporator I1 and the evaporator II2 are connected in parallel to pump heat from a low-temperature heat source to meet the user's demand for heat; The heat source pumps heat to make up the difference between the heating load and the cooling load, and the evaporator II2 is used for cooling to meet the indoor cooling load.
本发明的工作原理是： The working principle of the present invention is:
设备开始运行时，风冷式蒸发器不工作，套管式蒸发器工作来完成系统换热循环，此时机组同时制冷和制热（冷热联供）。当满足室内冷负荷需求后，将蒸发器切换至室外的风冷式蒸发器，通过风冷式蒸发器从空气中泵热来弥补冷热负荷之间的差值，调节蒸发温度，保证系统高效运行。 When the equipment starts to run, the air-cooled evaporator does not work, and the casing evaporator works to complete the heat exchange cycle of the system. At this time, the unit is cooling and heating at the same time (combined cooling and heating). When the indoor cooling load requirement is met, switch the evaporator to an outdoor air-cooled evaporator, and use the air-cooled evaporator to pump heat from the air to make up for the difference between the cooling and heating loads, adjust the evaporation temperature, and ensure system efficiency run.
具体的原理如下所示： The specific principle is as follows:
假如室内温度高于外接的控制系统所设定的阈值温度时，打开阀门Ⅰ7，同时关闭阀门Ⅱ8，此时采用安装在室内的蒸发器Ⅱ2吸热，利用室内的热量来热负荷的需求； If the indoor temperature is higher than the threshold temperature set by the external control system, open the valve Ⅰ7 and close the valve Ⅱ8 at the same time. At this time, the evaporator Ⅱ2 installed in the room is used to absorb heat, and the heat in the room is used to meet the heat load demand;
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
假如室内温度低于外接的控制系统所设定的阈值温度时，关闭阀门Ⅰ7，同时打开阀门Ⅱ8，此时采用安装在室外的蒸发器Ⅰ1吸热，利用室外的热量来热负荷的需求； If the indoor temperature is lower than the threshold temperature set by the external control system, close the valve I7 and open the valve II8 at the same time. At this time, the evaporator I1 installed outdoors is used to absorb heat, and the outdoor heat is used to meet the heat load demand;
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅰ1蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid evaporates and absorbs heat through the evaporator I1 to become a low-temperature and low-pressure gas; such a cycle completes the combined cooling and heating.
如果此双蒸发器的冷热联供一体机外接一个控制系统时，那么可以相应的设置阈值温度，以及实现自动开关阀门的动作，如果此双蒸发器的冷热联供一体机没有外接一个控制系统时，那么使用者可以根据自己的感知室内温度的变化手动的去打开或是关闭相应的阀门去实现冷热联供。 If the combined heating and cooling machine with double evaporators is connected to a control system, the threshold temperature can be set accordingly, and the automatic switch valve action can be realized. When the system is installed, the user can manually open or close the corresponding valve according to the change of the perceived indoor temperature to realize the combined cooling and heating.
本发明的有益效果是： The beneficial effects of the present invention are:
此装置能通过双蒸发器来调节用户所需要的冷热负荷不匹配的情况，实现按需供热，按需供冷，提高机组的制冷制热效率，让机组高效运行，具有很强的实用性； This device can adjust the mismatch of cooling and heating loads required by users through dual evaporators, realize on-demand heating and on-demand cooling, improve the cooling and heating efficiency of the unit, and allow the unit to operate efficiently, which is very practical ;
此装置能通过将套管式蒸发器切换至风冷式蒸发器，调节系统的蒸发温度，保证系统的高效运行。从而既保证提供热量，又缩短了设备运行时间，提高了设备的工作效率，达到节能的目的。可广泛应用于各种冷负荷小，热负荷大的场合。 This device can adjust the evaporation temperature of the system by switching the casing evaporator to the air-cooled evaporator to ensure the efficient operation of the system. In this way, the heat supply is ensured, the running time of the equipment is shortened, the working efficiency of the equipment is improved, and the purpose of energy saving is achieved. It can be widely used in various occasions with small cooling load and large heating load.
附图说明 Description of drawings
图1是本发明结构示意图； Fig. 1 is a structural representation of the present invention;
图1中各标号：1-蒸发器Ⅰ，2-蒸发器Ⅱ，3-压缩机，4-四通换向阀，5-套管式冷凝器，6-节流装置，7-阀门Ⅰ，8-阀门Ⅱ。 The labels in Figure 1: 1-evaporator Ⅰ, 2-evaporator Ⅱ, 3-compressor, 4-four-way reversing valve, 5-tube condenser, 6-throttling device, 7-valve Ⅰ, 8 - Valve II.
具体实施方式 Detailed ways
下面结合附图和具体实施例，对本发明作进一步说明。 The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
实施例1：如图1所示，一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； Example 1: As shown in Figure 1, a dual evaporator cooling and heating integrated machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, Throttling device 6, valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; One end is connected to the valve I7, and the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P ports of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected by a three-way; The outlet of the throttling device 6 is connected with the valve I7 and the valve II8 through a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
实施例2：如图1所示，一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； Embodiment 2: As shown in Figure 1, a dual evaporator cooling and heating integrated machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, Throttling device 6, valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; One end is connected to the valve I7, and the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P ports of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected by a three-way; The outlet of the throttling device 6 is connected with the valve I7 and the valve II8 through a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
实施例3：如图1所示，一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； Embodiment 3: As shown in Figure 1, a dual evaporator cooling and heating integrated machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, Throttling device 6, valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; One end is connected to the valve I7, and the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P ports of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected by a three-way; The outlet of the throttling device 6 is connected with the valve I7 and the valve II8 through a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
实施例4：如图1所示，一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； Embodiment 4: As shown in Figure 1, a dual evaporator cooling and heating integrated machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, Throttling device 6, valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; One end is connected to the valve I7, and the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P ports of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected by a three-way; The outlet of the throttling device 6 is connected with the valve I7 and the valve II8 through a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅰ1蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid evaporates and absorbs heat through the evaporator I1 to become a low-temperature and low-pressure gas; such a cycle completes the combined cooling and heating.
实施例5：如图1所示，一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； Embodiment 5: As shown in Figure 1, a dual evaporator cooling and heating integrated machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, Throttling device 6, valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; One end is connected to the valve I7, and the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P ports of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected by a three-way; The outlet of the throttling device 6 is connected with the valve I7 and the valve II8 through a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
假如室内温度高于外接的控制系统所设定的阈值温度时，打开阀门Ⅰ7，同时关闭阀门Ⅱ8，此时采用安装在室内的蒸发器Ⅱ2吸热，利用室内的热量来热负荷的需求； If the indoor temperature is higher than the threshold temperature set by the external control system, open the valve Ⅰ7 and close the valve Ⅱ8 at the same time. At this time, the evaporator Ⅱ2 installed in the room is used to absorb heat, and the heat in the room is used to meet the heat load demand;
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
实施例6：如图1所示，一种双蒸发器的冷热联供一体机，包括蒸发器Ⅰ1、蒸发器Ⅱ2、压缩机3、四通换向阀4、套管式冷凝器5、节流装置6、阀门Ⅰ7、阀门Ⅱ8；所述蒸发器Ⅰ1的一端与阀门Ⅱ8连接，蒸发器Ⅰ1的另一端分别与蒸发器Ⅱ2、四通换向阀4的P口相连；蒸发器Ⅱ2的一端与阀门Ⅰ7连接，蒸发器Ⅱ2的另一端与四通换向阀4的P口相连；具体的，蒸发器Ⅰ1、蒸发器Ⅱ2和四通换向阀4的P口用三通连接起来；节流装置6出口与阀门Ⅰ7、阀门Ⅱ8采用三通相连接； Embodiment 6: As shown in Figure 1, a dual evaporator integrated cooling and heating machine, including evaporator I1, evaporator II2, compressor 3, four-way reversing valve 4, casing condenser 5, Throttling device 6, valve I7, valve II8; one end of the evaporator I1 is connected to the valve II8, and the other end of the evaporator I1 is respectively connected to the P port of the evaporator II2 and the four-way reversing valve 4; One end is connected to the valve I7, and the other end of the evaporator II2 is connected to the P port of the four-way reversing valve 4; specifically, the P ports of the evaporator I1, the evaporator II2 and the four-way reversing valve 4 are connected by a three-way; The outlet of the throttling device 6 is connected with the valve I7 and the valve II8 through a three-way connection;
所述四通换向阀4的A口与压缩机3的吸气口相连接，压缩机3的出气口与四通换向阀4的B口相连接，四通换向阀4的T口与套管式冷凝器5的入口相连接；套管式冷凝器5的出口与节流装置6的入口相连接。 The A port of the four-way reversing valve 4 is connected with the suction port of the compressor 3, the gas outlet of the compressor 3 is connected with the B port of the four-way reversing valve 4, and the T port of the four-way reversing valve 4 It is connected with the inlet of the sleeve condenser 5; the outlet of the sleeve condenser 5 is connected with the inlet of the throttling device 6.
所述蒸发器Ⅰ1放置在室外，采用风冷翅片式蒸发器；蒸发器Ⅱ2放置在室内，采用套管式蒸发器。 The evaporator I1 is placed outdoors and adopts an air-cooled finned evaporator; the evaporator II2 is placed indoors and adopts a sleeve-type evaporator.
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅱ2蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid is evaporated and absorbed by the evaporator II2 to become a low-temperature and low-pressure gas; this cycle completes cooling and heating.
假如室内温度低于外接的控制系统所设定的阈值温度时，关闭阀门Ⅰ7，同时打开阀门Ⅱ8，此时采用安装在室外的蒸发器Ⅰ1吸热，利用室外的热量来热负荷的需求； If the indoor temperature is lower than the threshold temperature set by the external control system, close the valve I7 and open the valve II8 at the same time. At this time, the evaporator I1 installed outdoors is used to absorb heat, and the outdoor heat is used to meet the heat load demand;
所述压缩机3压缩低温低压的制冷剂蒸汽后变成高温高压的制冷剂蒸汽，高温高压的制冷剂蒸汽进入套管式冷凝器5，通过套管式冷凝器5冷凝后为低温高压的制冷剂液体，低温高压的制冷剂液体流经节流装置6节流降压为低温低压的液体，低温低压的液体经蒸发器Ⅰ1蒸发吸热为低温低压的气体；如此循环完成冷热联供。 The compressor 3 compresses the low-temperature and low-pressure refrigerant vapor to become a high-temperature and high-pressure refrigerant vapor, and the high-temperature and high-pressure refrigerant vapor enters the casing condenser 5, and after being condensed by the casing condenser 5, it becomes a low-temperature and high-pressure refrigeration system. The low-temperature and high-pressure refrigerant liquid flows through the throttling device 6 to throttle and reduce pressure to become a low-temperature and low-pressure liquid, and the low-temperature and low-pressure liquid evaporates and absorbs heat through the evaporator I1 to become a low-temperature and low-pressure gas; such a cycle completes the combined cooling and heating.
上面结合附图对本发明的具体实施例作了详细说明，但是本发明并不限于上述实施例，在本领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下作出各种变化。 The specific embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and can also be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art. Variations.
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