CN206094374U - Components of a whole that can function independently low temperature frequency conversion trigeminy supplies heat pump system - Google Patents

Components of a whole that can function independently low temperature frequency conversion trigeminy supplies heat pump system Download PDF

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Publication number
CN206094374U
CN206094374U CN201620999471.2U CN201620999471U CN206094374U CN 206094374 U CN206094374 U CN 206094374U CN 201620999471 U CN201620999471 U CN 201620999471U CN 206094374 U CN206094374 U CN 206094374U
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water
heat exchanger
interface
shell
valve
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杜军
张小娟
马晓龙
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Zhejiang creates a new energy Limited by Share Ltd
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ZHEJIANG CEN NEW ENERGY TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The utility model provides a components of a whole that can function independently low temperature frequency conversion trigeminy supplies heat pump system, including install outdoor outer machine with install indoor plate heat exchanger, fan coil, warm up, the water tank, plate heat exchanger be provided with tube side runner and shell side runner, compressor, cross valve, finned heat exchanger, reservoir are drawn together to outer press packed bale, and the cross valve is provided with D interface, C interface, S interface and E interface, the export and the D interface connection of compressor, import and S interface connection, finned heat exchanger's both ends are connected with C interface and reservoir respectively, and the both ends of tube side runner are connected with E interface and reservoir respectively among the plate heat exchanger, and both ends and the fan coil of shell side runner is connected and forms water circulating loop among the plate heat exchanger, and the both ends of shell side runner are warmed up with ground and are connected formation water circulating loop among the plate heat exchanger, and formation water circulating loop is connected with the water tank in the both ends of shell side runner among the plate heat exchanger. The utility model has the advantages of reasonable design, the partial installation, the noise is little, the energy consumption is low.

Description

A kind of split low temperature frequency conversion trigeneration heat pump system
Technical field
The utility model is related to a kind of split low temperature frequency conversion trigeneration heat pump system, mainly for low temp areas pair such as the north Air-conditioning, floor heating, the demand of hot water.
Background technology
Heat pump techniques often apply to the fields such as domestic hot-water, Teat pump boiler, the common heat pump in market, and function phase is to list One, the utilization of heat pump in current industry, usually solar energy is combined with electrical heating, or electrical heating and the combination of air energy, all Electric energy is used, it is relatively costly, greatly reduce operating cost.If not using electric energy, simply simple solar heater, plus Thermal effect is again undesirable, can not meet the demand of user.
The environment in the north is relatively low due to winter temperature, and general heat pump power consumption is larger, heat at low ambient temperatures and The performance of water heating is not good, and northern interior will install floor heating, bigger to the energy consumption of heat pump.
Further, since northern temperature is low, if source pump easy bursting by freezing installed outdoors, thus it is general all installed in room It is interior.But interior is mounted in, some unit noises are again very big, affect the normal life of user.
Utility model content
Technical problem to be solved in the utility model is to overcome the above-mentioned deficiency in the presence of prior art, and provides one Plant reasonable in design, partial installation, the split low temperature frequency conversion trigeneration heat pump system that noise is little, energy consumption is low.
The utility model solves the technical scheme that adopted of above-mentioned technical problem:A kind of split low temperature frequency conversion trilogy supply heat Pumping system, it is characterised in that:It include outer machine installed outdoors and install plate type heat exchanger indoors, fan coil, Warm, water tank;Described plate type heat exchanger is provided with tube side runner and shell-side flow path;Described outer machine include compressor, cross valve, Finned heat exchanger, reservoir, cross valve is provided with D interface, C interface, S interfaces and E interface, and outlet and the D interface of compressor connect Connect, import is connected with S interfaces;The two ends of finned heat exchanger are connected respectively with C interface and reservoir, the inlet of reservoir and go out Check valve is provided with the pipeline that liquid mouth is connected with finned heat exchanger;In plate type heat exchanger the two ends of tube side runner respectively with E Interface and reservoir connect, and are provided with unidirectionally on the pipeline that the inlet and liquid outlet of reservoir are connected with plate type heat exchanger Valve.
Refrigerant is circulated in the tube side runner of outer machine and plate type heat exchanger, is transferred heat in plate type heat exchanger Water in shell-side flow path;Check valve is used to control the flow direction of refrigerant.
The two ends of shell-side flow path are connected to form water-flow circuit with fan coil in plate type heat exchanger, shell-side flow path delivery port Air-conditioning two-port valve is provided with the pipeline being connected with fan coil water inlet;The two ends of shell-side flow path and floor heating in plate type heat exchanger Connection forms water-flow circuit, and floor heating two-port valve is provided with the pipeline that shell-side flow path delivery port is connected with floor heating water inlet;Plate The two ends of shell-side flow path are connected to form water-flow circuit with water tank in formula heat exchanger, the water return pipeline of water tank and the return pipe of floor heating Road is converged and is connected with the water inlet of shell-side flow path after connection, and the meet of two water return pipelines is provided with electric T-shaped valve, two Water return pipeline converge after water return pipeline on be provided with water pump.
By controlling two-port valve, triple valve, cross valve, water heating, air-conditioning heating refrigeration, floor heating, defrosting etc. can be carried out Operation.
Electric expansion valve is provided with the liquid outlet of reservoir described in the utility model, for being depressured.
Hot-water coil pipe is provided with water tank described in the utility model, the water circulation time of water tank is accessed at the two ends of hot-water coil pipe Road.Hot water in water-flow circuit flows through hot-water coil pipe, heat exchange occurs with the water in water tank, there is provided domestic hot-water.
A plurality of hot-water heating loop is provided with floor heating described in the utility model, every hot-water heating loop parallel connection accesses floor heating Water-flow circuit, on every hot-water heating loop magnetic valve is provided with.Hot water in water-flow circuit flows through hot-water heating loop, with floor heating Heat exchange in equipment, there is provided heat there is.
The utility model compared with prior art, with following positive effect:
(1)Outer machine contains the big part of noise, is placed in outdoor, and water route pipeline is disposed within, bursting by freezing is prevented, using two-way Saving design, cold-producing medium reduces low pressure loss, prevents heating capacity from losing, and improves defrosting efficiency;
(2)The system is developed mainly for northern air-conditioning+hot water demand, is used in low temperature ring using low temperature converter technique Heat under border has better performance to show with water heating, and highest can improve 30% heating capacity;Efficiency can improve 25% during refrigeration, keep away Exempt from unit repeated priming, cause the impact to electrical network;
(3)The system adopts Multifunctional design, can freeze, heat, floor heating and domestic hot-water, by matching somebody with somebody in systems Put two-port valve and triple valve control realization;When realizing every kind of function, refrigerant trend is controlled by cross valve, while can also control Two or more functions realize simultaneously, to reach the purpose that each season uses;
(4)The unit is low and design for northern environment temperature, and temperature can be heated normally and efficiently at -30 DEG C, and unit is same When have freeze, heat, water heating function, greatly reduce the cost of investment of air-conditioning and Hot water units.Winter heating is same sometimes When using other end-equipments such as floor heating.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model China and foreign countries machine and plate type heat exchanger.
Fig. 3 is the utility model water heating, the structural representation of defrosting.
The flow graph of refrigerant when Fig. 4 is the utility model water heating, air-conditioning heating, floor heating.
Fig. 5 is the utility model air-conditioning heating, the structural representation of refrigeration.
Fig. 6 is the structural representation of the utility model floor heating.
The flow graph of refrigerant when Fig. 7 is the utility model air conditioner refrigerating, defrosting is warm.
The structural representation that Fig. 8 the utility model air-conditioning heatings, floor heating are carried out simultaneously.
Specific embodiment
Below in conjunction with the accompanying drawings and by embodiment the utility model is described in further detail.
Embodiment:
Referring to Fig. 1~Fig. 2, the present embodiment includes outer machine 100 installed outdoors and installation plate type heat exchanger indoors 1st, fan coil 2, floor heating 3, water tank 4;Described plate type heat exchanger 1 is provided with tube side runner 11 and shell-side flow path 12;Described Outer machine 100 includes compressor 5, cross valve 6, finned heat exchanger 7, reservoir 8, and cross valve 6 is provided with D interface, C interface, S interfaces And E interface, the outlet of compressor 5 is connected with D interface, and import is connected with S interfaces;The two ends of finned heat exchanger 7 respectively with C interface Connect with reservoir 8, on the pipeline that the inlet 81 and liquid outlet 82 of reservoir 8 are connected with finned heat exchanger 7 list is provided with To valve 10;The two ends of tube side runner 11 are connected respectively with E interface and reservoir 8 in plate type heat exchanger 1, the inlet of reservoir 8 81 and the pipeline that is connected with plate type heat exchanger 1 of liquid outlet 82 on be provided with check valve 10.
Refrigerant is circulated in the tube side runner 11 of outer machine 100 and plate type heat exchanger 1, by heat in plate type heat exchanger 1 Amount passes to the water in shell-side flow path 12;Check valve 10 is used to control the flow direction of refrigerant.
The two ends of shell-side flow path 12 are connected to form water-flow circuit with fan coil 2 in plate type heat exchanger 1, shell-side flow path 12 Air-conditioning two-port valve 21 is provided with the pipeline that delivery port is connected with the water inlet of fan coil 2;Shell-side flow path 12 in plate type heat exchanger 1 Two ends be connected to form water-flow circuit with floor heating 3, on the pipeline that the delivery port of shell-side flow path 12 is connected with the water inlet of floor heating 3 arrange There is floor heating two-port valve 31;The two ends of shell-side flow path 12 are connected to form water-flow circuit with water tank 4 in plate type heat exchanger 1, water tank 4 Water return pipeline converges with the water return pipeline of floor heating 3 and is connected with the water inlet of shell-side flow path 12 after connection, the remittance of two water return pipelines Be provided with electric T-shaped valve 15 at conjunction, two water return pipelines converge after water return pipeline on be provided with water pump 16.
By controlling two-port valve, triple valve 15, cross valve 6, water heating, air-conditioning heating refrigeration, floor heating, defrosting can be carried out Deng operation.
In the present embodiment, electric expansion valve 17 is provided with the liquid outlet 82 of reservoir 8, for being depressured.
In the present embodiment, hot-water coil pipe 41 is provided with water tank 4, the water circulation of water tank 4 is accessed at the two ends of hot-water coil pipe 41 Loop.Hot water in water-flow circuit flows through hot-water coil pipe 41, heat exchange occurs with the water in water tank 4, there is provided domestic hot-water.
In the present embodiment, a plurality of hot-water heating loop 32 is provided with floor heating 3, every parallel connection of hot-water heating loop 32 accesses floor heating 3 Water-flow circuit, be provided with magnetic valve 33 on every hot-water heating loop 32.Hot water in water-flow circuit flows through hot-water heating loop 32, there is heat exchange with the equipment of floor heating 3, there is provided heat.Whether magnetic valve 33 is used to controlling the use in each bar hot-water heating loop 32.
Referring to Fig. 3~Fig. 4, when needing water heating, electricity on cross valve 6, D interface is connected with E interface, and C interface connects with S interfaces Logical, triple valve 15 is closed, and air-conditioning two-port valve 21 is closed, and floor heating two-port valve 31 is closed.
The operation principle of water heating is:
(1)The input of compressor 5 sucks the gaseous coolant of low-temp low-pressure, and the gas for being compressed into HTHP is discharged, and is led to Cross D interface and E interface enters the tube side runner 11 of plate type heat exchanger 1;
(2)The gas of HTHP carries out heat exchange in plate type heat exchanger 1, and the gas of HTHP is cold at normal temperatures But liquid, is condensed into, cryogenic high pressure liquid refrigerants is formed;Meanwhile, the gas of HTHP is released heat and is used for heating shell side stream Water in road 12, makes water heat up and becomes hot water;
(3), by check valve 10 through reservoir 8, the refrigerant of outflow is by electricity for the refrigerant flowed out from plate type heat exchanger 1 Sub- expansion valve 17, pressure drop is returned to than extraneous low temperature, forms low-temp low-pressure liquid refrigerants, the energy with heat absorption evaporation Power;
(4)The liquid refrigerants of low-temp low-pressure enters finned heat exchanger 7, itself evaporation after the heat in refrigerant absorption air, Become low temperature low pressure gas;
(5)Low temperature low pressure gas are returned to compressor 5 and are compressed again after C interface and S interfaces;
Refrigerant is and so on circulated, and is constantly absorbed heat from air, is compressed in compressor 5, is put in plate type heat exchanger 1 Heat, hot water preparing.
The cold water that hot water in shell-side flow path 12 is entered in hot-water coil pipe 41, with water tank 4 by the water-flow circuit of water tank 4 Heat exchange is carried out, the temperature of cold water rises in water tank 4 becomes hot water and uses for life;Hot water radiator in the water-flow circuit of water tank 4 Become to flow back to shell-side flow path 12 after cold water and reheat, circulated with this.
The direction of arrow is the flow direction of water in Fig. 3, and the direction of arrow is the flow direction of refrigerant in Fig. 4.
Referring to Fig. 4~Fig. 5, when needing air-conditioning heating, electricity on cross valve 6, D interface connects with E interface, C interface and S interfaces Connection, triple valve 15 is normally opened, and air-conditioning two-port valve 21 is normally opened, and floor heating two-port valve 31 is closed.
The operation principle of air-conditioning heating is:
(1)The input of compressor 5 sucks the gaseous coolant of low-temp low-pressure, and the gas for being compressed into HTHP is discharged, and is led to Cross D interface and E interface enters the tube side runner 11 of plate type heat exchanger 1;
(2)The gas of HTHP carries out heat exchange in plate type heat exchanger 1, and the gas of HTHP is cold at normal temperatures But liquid, is condensed into, cryogenic high pressure liquid refrigerants is formed;Meanwhile, the gas of HTHP is released heat and is used for heating shell side stream Water in road 12, makes water heat up and becomes hot water;
(3), by check valve 10 through reservoir 8, the refrigerant of outflow is by electricity for the refrigerant flowed out from plate type heat exchanger 1 Sub- expansion valve 17, pressure drop is returned to than extraneous low temperature, forms low-temp low-pressure liquid refrigerants, the energy with heat absorption evaporation Power;
(4)The liquid refrigerants of low-temp low-pressure enters finned heat exchanger 7, itself evaporation after the heat in refrigerant absorption air, Become low temperature low pressure gas;
(5)Low temperature low pressure gas are returned to compressor 5 and are compressed again after C interface and S interfaces;
Refrigerant is and so on circulated, and is constantly absorbed heat from air, is compressed in compressor 5, is put in plate type heat exchanger 1 Heat, hot water preparing.
Hot water in shell-side flow path 12 enters fan coil 2 by the water-flow circuit of air-conditioning, carries out in fan coil 2 Heat exchange, the blowout hot blast of fan coil 2 is used for air-conditioning heating;Hot water radiator in the water-flow circuit of air-conditioning becomes after cold water Flow back to shell-side flow path 12 to reheat, circulated with this.
The direction of arrow is the flow direction of water in Fig. 5, and the direction of arrow is the flow direction of refrigerant in Fig. 4.
Referring to Fig. 4, Fig. 6, when needing floor heating 3, electricity on cross valve 6, D interface is connected with E interface, and C interface connects with S interfaces Logical, triple valve 15 is normally opened, and air-conditioning two-port valve 21 is closed, and floor heating two-port valve 31 is normally opened.
The operation principle of floor heating 3 is:
(1)The input of compressor 5 sucks the gaseous coolant of low-temp low-pressure, and the gas for being compressed into HTHP is discharged, and is led to Cross D interface and E interface enters the tube side runner 11 of plate type heat exchanger 1;
(2)The gas of HTHP carries out heat exchange in plate type heat exchanger 1, and the gas of HTHP is cold at normal temperatures But liquid, is condensed into, cryogenic high pressure liquid refrigerants is formed;Meanwhile, the gas of HTHP is released heat and is used for heating shell side stream Water in road 12, makes water heat up and becomes hot water;
(3), by check valve 10 through reservoir 8, the refrigerant of outflow is by electricity for the refrigerant flowed out from plate type heat exchanger 1 Sub- expansion valve 17, pressure drop is returned to than extraneous low temperature, forms low-temp low-pressure liquid refrigerants, the energy with heat absorption evaporation Power;
(4)The liquid refrigerants of low-temp low-pressure enters finned heat exchanger 7, itself evaporation after the heat in refrigerant absorption air, Become low temperature low pressure gas;
(5)Low temperature low pressure gas are returned to compressor 5 and are compressed again after C interface and S interfaces;
Refrigerant is and so on circulated, and is constantly absorbed heat from air, is compressed in compressor 5, is put in plate type heat exchanger 1 Heat, hot water preparing.
Hot water in shell-side flow path 12 enters hot-water heating loop 32 by the water-flow circuit of floor heating 3, in hot-water heating loop 32 Heat exchange is carried out, the heat that the equipment of floor heating 3 is absorbed in water carries out the heat supply of floor heating 3;Hot water radiator in hot-water heating loop 32 becomes cold Shell-side flow path 12 is flowed back to after water to reheat, and is circulated with this.
The direction of arrow is the flow direction of water in Fig. 6, and the direction of arrow is the flow direction of refrigerant in Fig. 4.
Referring to Fig. 5, Fig. 7, when needing air conditioner refrigerating, cross valve 6 does not go up electricity, and D interface is connected with C interface, and E interface connects with S Mouth connection, triple valve 15 is normally opened, and air-conditioning two-port valve 21 is normally opened, and floor heating two-port valve 31 is closed.
The operation principle of air conditioner refrigerating is:
(1)The input of compressor 5 sucks the gaseous coolant of low-temp low-pressure, and the gas for being compressed into HTHP is discharged, and is led to Cross D interface and C interface enters finned heat exchanger 7;
(2)The gas of HTHP is radiated in the heat exchanger of fin side, is formed cryogenic high pressure liquid refrigerants and is discharged;
(3), by check valve 10 through reservoir 8, the refrigerant of outflow is by electricity for the refrigerant flowed out from finned heat exchanger 7 Sub- expansion valve 17, pressure drop is returned to than extraneous low temperature, forms low-temp low-pressure liquid refrigerants;
(4)The liquid refrigerants of low-temp low-pressure carries out hot friendship by check valve 10 into the tube side runner 11 of plate type heat exchanger 1 Change, refrigerant absorbs itself evaporation after the heat of water in shell-side flow path 12, becomes low temperature low pressure gas;Water in shell-side flow path 12 dissipates Heat becomes the cold water of low temperature;
(5)The cold media gas of low-temp low-pressure from plate type heat exchanger 1 out after, after E interface and S interfaces, return to compression Machine 5 is compressed again;
Refrigerant is and so on circulated, and is compressed in compressor 5, heat release in atmosphere, is absorbed heat in plate type heat exchanger 1, system Take the cold water of low temperature.
Cold water in shell-side flow path 12 enters fan coil 2 by the water-flow circuit of air-conditioning, carries out in fan coil 2 Heat exchange, temperature is raised after the heat in cold water absorption air;Lower the temperature after simultaneously air is absorbed heat, carry out air conditioner refrigerating;Air-conditioning Water-flow circuit in cold water endothermic temperature raise after flow back to shell-side flow path 12 and lower the temperature into cold water again, circulated with this.
The direction of arrow is the flow direction of water in Fig. 5, and the direction of arrow is the flow direction of refrigerant in Fig. 7.
Referring to Fig. 4, Fig. 8, when needing to carry out air-conditioning heating and floor heating 3 simultaneously, electricity on cross valve 6, D interface connects with E interface Logical, C interface and S orifices, triple valve 15 is normally opened, and air-conditioning two-port valve 21 is normally opened, and floor heating two-port valve 31 is normally opened.
Floor heating 3 and air-conditioning heating are while the operation principle for carrying out is:
(1)The input of compressor 5 sucks the gaseous coolant of low-temp low-pressure, and the gas for being compressed into HTHP is discharged, and is led to Cross D interface and E interface enters the tube side runner 11 of plate type heat exchanger 1;
(2)The gas of HTHP carries out heat exchange in plate type heat exchanger 1, and the gas of HTHP is cold at normal temperatures But liquid, is condensed into, cryogenic high pressure liquid refrigerants is formed;Meanwhile, the gas of HTHP is released heat and is used for heating shell side stream Water in road 12, makes water heat up and becomes hot water;
(3), by check valve 10 through reservoir 8, the refrigerant of outflow is by electricity for the refrigerant flowed out from plate type heat exchanger 1 Sub- expansion valve 17, pressure drop is returned to than extraneous low temperature, forms low-temp low-pressure liquid refrigerants, the energy with heat absorption evaporation Power;
(4)The liquid refrigerants of low-temp low-pressure enters finned heat exchanger 7, itself evaporation after the heat in refrigerant absorption air, Become low temperature low pressure gas;
(5)Low temperature low pressure gas are returned to compressor 5 and are compressed again after C interface and S interfaces;
Refrigerant is and so on circulated, and is constantly absorbed heat from air, is compressed in compressor 5, is put in plate type heat exchanger 1 Heat, hot water preparing.
Hot water in shell-side flow path 12 enters the water-flow circuit of floor heating 3 and the water-flow circuit of air-conditioning simultaneously.
In the water-flow circuit of floor heating 3, hot water enters hot-water heating loop 32, and heat exchange, floor heating 3 are carried out in hot-water heating loop 32 The heat that equipment is absorbed in water carries out the heat supply of floor heating 3;Hot water radiator in hot-water heating loop 32 becomes to flow back to shell-side flow path after cold water 12 reheat, and are circulated with this.
In the water-flow circuit of air-conditioning, hot water enters fan coil 2, and heat exchange, fan coil are carried out in fan coil 2 2 blowout hot blasts are used for air-conditioning heating;Hot water radiator in the water-flow circuit of air-conditioning becomes to flow back to shell-side flow path 12 after cold water Reheat, circulated with this.
The direction of arrow is the flow direction of water in Fig. 8, and the direction of arrow is the flow direction of refrigerant in Fig. 4.
Referring to Fig. 3, Fig. 7, when needing defrosting, cross valve 6 does not go up electricity, and D interface is connected with C interface, and E interface connects with S interfaces Logical, triple valve 15 is closed, and air-conditioning two-port valve 21 is closed, and floor heating two-port valve 31 is closed.
The operation principle of defrosting is:,
(1)The input of compressor 5 sucks the gaseous coolant of low-temp low-pressure, and the gas for being compressed into HTHP is discharged, and is led to Cross D interface and C interface enters finned heat exchanger 7;
(2)The gas of HTHP is radiated in the heat exchanger of fin side, is formed cryogenic high pressure liquid refrigerants and is discharged;Wing Then heat absorption is defrosted in piece heat exchanger 7;
(3), by check valve 10 through reservoir 8, the refrigerant of outflow is by electricity for the refrigerant flowed out from finned heat exchanger 7 Sub- expansion valve 17, pressure drop is returned to than extraneous low temperature, forms low-temp low-pressure liquid refrigerants;
(4)The liquid refrigerants of low-temp low-pressure carries out hot friendship by check valve 10 into the tube side runner 11 of plate type heat exchanger 1 Change, refrigerant absorbs itself evaporation after the heat of water in shell-side flow path 12, becomes low temperature low pressure gas;Water in shell-side flow path 12 dissipates Heat becomes the cold water of low temperature;
(5)The cold media gas of low-temp low-pressure from plate type heat exchanger 1 out after, after E interface and S interfaces, return to compression Machine 5 is compressed again;
Refrigerant is and so on circulated, and is compressed in compressor 5, and heat release in atmosphere defrosts to finned heat exchanger 7, Absorb heat in plate type heat exchanger 1, produce the cold water of low temperature.
The hot water that cold water in shell-side flow path 12 is entered in hot-water coil pipe 41, with water tank 4 by the water-flow circuit of water tank 4 Heat exchange is carried out, the hot water cooling in water tank 4 becomes cold water;Cold water heat absorption in the water-flow circuit of water tank 4 becomes after hot water Flow back to shell-side flow path 12 to freeze again, circulated with this.
Because defrosting process needs have hot water in water tank 4, therefore defrosting process is usually have many remaining hot waters in water tank 4 In the case of carry out.Defrosting is often carried out without the need for Jing, is had in water tank 4 once in a while in the case of many remaining hot waters and is defrosted in the short time. Not only facilitated but also do not consumed the energy, unnecessary hot water was preferably utilized.
The direction of arrow is the flow direction of water in Fig. 3, and the direction of arrow is the flow direction of refrigerant in Fig. 7.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, as long as its part does not specify concrete shape Shape and size, then the part can be any shape and size being adapted with its structure;Meanwhile, the title that part is taken Can be with difference.The equivalent or simple change that all constructions according to described in the utility model inventional idea, feature and principle are done, wraps Include in the protection domain of the utility model patent.

Claims (4)

1. a kind of split low temperature frequency conversion trigeneration heat pump system, it is characterised in that:It includes outer machine installed outdoors and installation Plate type heat exchanger indoors, fan coil, floor heating, water tank;Described plate type heat exchanger is provided with tube side runner and shell side stream Road;
Described outer machine includes compressor, cross valve, finned heat exchanger, reservoir, and cross valve is provided with D interface, C interface, S and connects Mouth and E interface, the outlet of compressor is connected with D interface, and import is connected with S interfaces;
The two ends of finned heat exchanger are connected respectively with C interface and reservoir, and inlet and liquid outlet and the fin of reservoir exchange heat Check valve is provided with the pipeline of device connection;
The two ends of tube side runner are connected respectively with E interface and reservoir in plate type heat exchanger, the inlet and liquid outlet of reservoir Check valve is provided with the pipeline being connected with plate type heat exchanger;
The two ends of shell-side flow path are connected to form water-flow circuit with fan coil in plate type heat exchanger, shell-side flow path delivery port and wind Air-conditioning two-port valve is provided with the pipeline of machine coil inlets connection;
The two ends of shell-side flow path are connected to form water-flow circuit with floor heating in plate type heat exchanger, and shell-side flow path delivery port enters with floor heating Floor heating two-port valve is provided with the pipeline of mouth of a river connection;
The two ends of shell-side flow path are connected to form water-flow circuit with water tank in plate type heat exchanger, water return pipeline and the floor heating of water tank Water return pipeline converges and is connected with the water inlet of shell-side flow path after connection, and the meet of two water return pipelines is provided with electric three passes Valve, two water return pipelines converge after water return pipeline on be provided with water pump.
2. split low temperature frequency conversion trigeneration heat pump system according to claim 1, it is characterised in that:The reservoir goes out Electric expansion valve is provided with liquid mouth.
3. split low temperature frequency conversion trigeneration heat pump system according to claim 1 and 2, it is characterised in that:Described water tank Hot-water coil pipe is inside provided with, the water-flow circuit of water tank is accessed at the two ends of hot-water coil pipe.
4. split low temperature frequency conversion trigeneration heat pump system according to claim 1 and 2, it is characterised in that:Described floor heating On be provided with a plurality of hot-water heating loop, every hot-water heating loop water-flow circuit for accessing floor heating in parallel, on every hot-water heating loop It is provided with magnetic valve.
CN201620999471.2U 2016-08-31 2016-08-31 Components of a whole that can function independently low temperature frequency conversion trigeminy supplies heat pump system Active CN206094374U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107238152A (en) * 2017-05-23 2017-10-10 特灵空调系统(中国)有限公司 A kind of variable-frequency multi-connection type fluorine water system
CN109028626A (en) * 2018-06-25 2018-12-18 山东阿尔普尔节能装备有限公司 A kind of high accumulation energy type air-cooled screw unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107238152A (en) * 2017-05-23 2017-10-10 特灵空调系统(中国)有限公司 A kind of variable-frequency multi-connection type fluorine water system
CN109028626A (en) * 2018-06-25 2018-12-18 山东阿尔普尔节能装备有限公司 A kind of high accumulation energy type air-cooled screw unit

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