CN201945087U - Compact type cool/warm air-conditioning and water heating triple-purpose machine capable of establishing natural circulation heat exchange automatically - Google Patents
Compact type cool/warm air-conditioning and water heating triple-purpose machine capable of establishing natural circulation heat exchange automatically Download PDFInfo
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- CN201945087U CN201945087U CN2010206371939U CN201020637193U CN201945087U CN 201945087 U CN201945087 U CN 201945087U CN 2010206371939 U CN2010206371939 U CN 2010206371939U CN 201020637193 U CN201020637193 U CN 201020637193U CN 201945087 U CN201945087 U CN 201945087U
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Abstract
The utility model discloses a technical scheme of a compact type cool/warm air-conditioning and water heating triple-purpose machine capable of establishing natural circulation heat exchange automatically. The machine is characterized in that: a water heat exchange loop system capable of establishing natural circulation heat exchange automatically is adopted; a water storage tank and a multilayer helix tube reel type hot water coagulation heat exchanger or a hot water coagulation heat exchanger provided with a diversion sleeve helix tube disposed in the water storage tank are placed in an outdoor unit; compared with a cool/warm air conditioner, a three-way valve and a hot water coagulation heat exchanger are added in the refrigerant loop of the machine; some especial connections are arranged: the exhaust outlet of a compressor is connected with the air inlet of the three-way valve, the first gas outlet of the three-way valve is connected with the refrigerant inlet of the hot water coagulation heat exchanger, the second gas outlet of the three-way valve in three-way communication with the refrigerant outlet of the hot water coagulation heat exchanger, and the first and second joint of a four-way valve, the low voltage air outlet pipe of the solenoid pilot valve of the three-way valve is connected with the air suction pipe of a compressor on a refrigerant loop, the high voltage air outlet pipe of the solenoid pilot valve of the four-way valve is connected with the exhaust pipe of a compressor on a refrigerant loop. The machine of the utility model achieves the functions of watering heating and refrigerating, water heating, refrigerating and heating.
Description
Technical field
The utility model relates to refrigeration air conditioner, Teat pump boiler and field of energy-saving technology.
Background technology
Existing family expenses air conditioner only uses in two seasons of winter in summer, and spring, autumn are caused the seasonality waste of equipment and fund generally by idle.Existing air conditioner is transform as cold-heat air-conditioning, water-heating three-purpose machine, under the function prerequisite that ensures air-conditioning, substitute domestic, electric water heater, can economize on electricity 70%, energy-saving effect is obvious, and market potential is huge.For realizing this target, existing at present a lot of relevant patented technologies, but most of patents all dispose a plurality of magnetic valves or a plurality of cross valve in refrigerating circuit make the loop structure complexity, and the fault rate height is perhaps installed trouble, is difficult to promote; Although this case applicant is engaged in the research of cold-heat air-conditioning, water-heating three-purpose machine over 10 years always, declare and be authorized to a plurality of relevant patented technologies, for example: a kind of energy saving tripurpose machine for hot and cold air conditioning and supplying hot water (patent No.: 00264455.x), energy-conservation cold-heat air-conditioning, water-heating three-purpose machine (the patent No.: 02116049.X) of a kind of four seasons, air source hot pump water heater (the patent No.: 200510053315.3) of band fair water sleeves heat exchanger storage tank, heat-pump hot-water unit (the patent No.: 200610085913.3) etc. that the water internal circulation heat-exchanging loop is arranged, still dislike refrigerant loop configuration valve many, the throttle structure complexity; Hot water coagulation heat exchanger with the air source hot pump water heater of fair water sleeves heat exchanger storage tank is and the off-premises station split in addition, need be in the erecting bed being connected the refrigeration cycle of hot water coagulation heat exchanger refrigerant line and off-premises station, this need drive air in the hot water coagulation heat exchanger with the cold-producing medium in the refrigeration cycle of off-premises station, cause the uncertainty of refrigerant charge and the waste that incoagulable gas is driven not thorough and cold-producing medium, not only influence unit efficiency, and increase mounting hardness and cost of manufacture, increase trouble to the user is installed.These reasons have hindered the marketization of three-way set, make three-way set not bring into play fine effect in the low-carbon economy epoch.
The utility model content
In order to advance cold-heat air-conditioning, water-heating three-purpose machine to enter into market, in energy-conservation, play a role, need overcome the above-mentioned deficiency of its prior art, the utility model proposes a kind of can be self-built the compact cold-heat air-conditioning, water-heating three-purpose machine of Natural Circulation stream heat exchange, not only possesses the double refrigeration of the water of heating, heat water, refrigeration gas, it is multi-functional to heat gas, and make structure further simplify compactness, save the cold-producing medium connecting line and be connected valve, make the complete machine production cost lower, reduce installation process cold-producing medium leakage rate, make the refrigerant charge of refrigerating circuit stable, refrigerating circuit is switched more convenient reliable, move more stablely, efficient is higher.
For realizing above-mentioned target, the utility model adopts following technical scheme to be:
The compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream heat exchange includes refrigerant circuit systems, water heat exchange circuit system, storage tank, signals collecting and circuit control system; Described refrigerant circuit systems, comprise off-premises station and indoor set two assemblies, off-premises station is equipped with compressor, flow controller, outdoor wind heat exchanger and fan thereof, cross valve, filter, gas-liquid separator etc., and indoor set is equipped with indoor wind heat exchanger and fan thereof etc.; Outdoor casing is provided with first and second two angle valves that are connected with indoor wind heat exchanger upper and lower end interface; Described storage tank is the press-bearing water tank that heat-insulation layer is arranged of stored hot water, is provided with to replenish water inlet interface and hot water effluent's interface; The individual interface of cross valve main valve body one side is designated as cross valve first interface, the sequence number of three interfaces of the opposite side of cross valve main valve body, when fixing on the cross valve coil approximately and not having electricity with first interface in the interface that is communicated be cross valve second interface, when the cross valve coil has electricity with first interface in the interface that is communicated be cross valve the 3rd interface, interface placed in the middle is cross valve the 4th interface, the 4th interface is not communicated with when the cross valve coil has electricity with in the 3rd interface, again when the cross valve coil has electricity with second interface in the interface that is communicated with; Described flow controller is capillary or electric expansion valve or heating power expansion valve; The control signal of described collection includes the outlet temperature of indoor wind heat exchanger and outdoor wind heat exchanger heat-exchanging tube, the coolant-temperature gage of storage tank, indoor air temperature, the pressure of inspiration(Pi) of compressor and pressure at expulsion etc.;
It is characterized in that: described self-built Natural Circulation flows the compact cold-heat air-conditioning, water-heating three-purpose machine of heat exchange, is equipped with the hot water coagulation heat exchanger of refrigerant loop and the crosslinked device of water heat exchange circuit; The hot water coagulation heat exchanger is installed on the off-premises station chassis, or is installed in the storage tank and is installed on the off-premises station chassis together with storage tank; Described water heat exchange circuit system is the water heat exchange circuit system of self-built Natural Circulation stream heat exchange, comprises storage tank and the hot water coagulation heat exchanger of guide functions is arranged; There are two kinds of forms in the water heat exchange circuit system of described self-built Natural Circulation stream heat exchange: a kind of is to place the hot water coagulation heat exchanger that guide functions is arranged the interior Natural Circulation of case in the storage tank to flow heat exchange type; Another kind is there being the hot water coagulation heat exchanger of guide functions to place outside the storage tank, with connecting water pipe the water inlet of the water-flowing path of hot water coagulation heat exchanger and delivery port are coupled together the header type Natural Circulation stream heat exchange type that is constituted with the circulating water outlet and the recirculated water water inlet of storage tank respectively; Described refrigerant circuit systems also includes a triple valve; The connected mode of refrigerant loop is: the exhaust outlet of compressor is connected with the air inlet of triple valve; First gas outlet of triple valve is connected with the refrigerant inlet of hot water coagulation heat exchanger; The refrigerant outlet of second gas outlet of triple valve and cross valve first interface and the hot water coagulation heat exchanger tee joint that connects; Cross valve second and third, four interfaces are connected with the last end interface of outdoor wind heat exchanger, first angle valve on the outdoor casing, the air inlet of gas-liquid separator respectively; The gas outlet of gas-liquid separator is connected with the air inlet of compressor; On the following end interface of outdoor wind heat exchanger and the connecting line between second angle valve on the outdoor casing flow controller and filter are installed; With two pipes that removably connect the upper/lower terminal mouth of the indoor wind heat exchanger of indoor set is connected with first and second angle valve on the outdoor casing; Fill cold-producing medium in the refrigerant loop that is linked to be; Described triple valve is the Pneumatic three-way valve that has solenoid pilot valve, and the low pressure escape pipe of its solenoid pilot valve is directly connected on the compressor suction duct of refrigerant loop; Described cross valve is the Pneumatic four-way valve that has solenoid pilot valve, and the high-pressure pipe of its solenoid pilot valve is directly connected on the compressor exhaust pipe of refrigerant loop; Described flow controller is that double fluid is to flow controller; Described refrigerant circuit systems can organize heat water hold concurrently refrigeration, heat water, the gas that freezes, heat gas and defrost five kinds of circulations;
The compact cold-heat air-conditioning, water-heating three-purpose machine of described self-built Natural Circulation stream heat exchange, perhaps, between the compressor outlet pipeline and compressor air suction pipeline of the refrigerant circuit systems of also stating thereon, increase the bypass line of a quick balance sysmte air pressure when shutting down, normally closed solenoid valve is installed on bypass line, and magnetic valve moment unlatching was closed again after tens seconds during shutdown;
The water heat exchange circuit system of Natural Circulation stream heat exchange type in the described case, it has the hot water coagulation heat exchanger of guide functions, it is the hot water coagulation heat exchanger that two-layer above multi-layer helical pipe roll type is arranged, be nested with one heart and uprightly place storage tank axle center district, the volume in helix tube reel institute envelope district is less than 1/3rd of storage tank volume, and the height of helix tube reel and storage tank height are approaching, the two ends of each bar helix tube are in parallel respectively to be welded on the air inlet main of cold-producing medium and the liquid of cold-producing medium flows out on the main, the air inlet main of cold-producing medium and liquid flow out the hole connector that main passes the storage tank sidewall, and is dead the clearance seal between main and the hole connector endoporus with the mechanical seal mode; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll;
The water heat exchange circuit system of Natural Circulation stream heat exchange type in the described case, it has the hot water coagulation heat exchanger of guide functions, or have the hot water coagulation heat exchanger of fair water sleeves helix tube type, be nested or enclose the phase embedding by 2 to 6 many spirally-wound tubes circles and intersect, the outside is with fair water sleeves, uprightly be installed in the heat exchanger in the storage tank, the equal in length of each helix tube or near equating to be advisable, air inlet main and liquid that the employing mode of being connected in parallel is welded on cold-producing medium flow out on the main, advancing of cold-producing medium, go out the hole connector that main passes the storage tank sidewall, and use the mechanical seal mode, dead the clearance seal between main and the hole connector endoporus; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll, and fair water sleeves rolls with stainless sheet steel; Several support bars respectively are equipped with at the fair water sleeves two ends, and the case lamina tecti and the base plate that utilize support bar to withstand on storage tank produce crooked elastic force, and fair water sleeves is fixed in the storage tank together with helix tube; The height of fair water sleeves is a little less than hot water effluent's open height at storage tank top, the bottom encumbrance cm distance of its lower port and storage tank, and the water inlet of storage tank is arranged on the bottom;
The water heat exchange circuit system of described header type Natural Circulation stream heat exchange type, it has the hot water coagulation heat exchanger of guide functions, be the hot water coagulation heat exchanger that constitutes by thin and tall shape cylinder tank and the multi-layer helical pipe reel spiral shell of placing in it, cylinder tank helix tube type hot water coagulation heat exchanger by name; The ratio of height to diameter of cylinder tank is greater than 2, helix tube reel number is greater than 2, place with one heart, the volume in helix tube reel institute envelope district is near the volume of storage tank, the height of each helix tube reel is all approaching with the height of cylinder tank, its two ends are in parallel respectively be welded on the air inlet main of cold-producing medium and main that refrigerant liquid flows out on, the air inlet main of cold-producing medium and liquid flow out main and pass the hole connector that is welded on the cylinder tank sidewall, and use the mechanical seal mode, dead the clearance seal between main and the hole connector endoporus; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll; The upper and lower end of cylinder tank is respectively equipped with bigbore water-in and water-out interface; Described water inlet and the delivery port that the cylinder tank helix tube type hot water coagulation heat exchanger of guide functions is arranged, be connected with the circulation water inlet with the circulating outlet of storage tank respectively, the tip position of storage tank is higher than the delivery port of cylinder tank helix tube type hot water coagulation heat exchanger, the bottom of storage tank is not less than the bottom water inlet position of cylinder tank helix tube type hot water coagulation heat exchanger, constitutes the water heat exchange circuit system of header type Natural Circulation stream heat exchange type thus;
The hot water coagulation heat exchanger that guide functions is arranged of described header type Natural Circulation stream heat exchange type, or, coaxial sleeve helical coil cartridge type hot water condensing heat exchanger, spiral-wound roll tightly is enclosed within the storage tank outer wall, and the height of spiral-wound roll and the height of storage tank are approaching; By current, the upper/lower terminal mouth of interior pipe is connected with circulation water inlet, the water outlet interface of the upper and lower part of storage tank respectively, constitutes the header type Natural Circulation and flows heat exchange type water heat exchange circuit system in the pipe of the interior pipe of coaxial sleeve; By cold-producing medium, the upper and lower end interface of refrigerant passage is connected on the refrigerant loop between the interior pipe of coaxial sleeve and the outer tube;
Described double fluid is double-current to capillary to flow controller, or double-current to electric expansion valve, or double fluid is to heating power expansion valve; Described double fluid is that double fluid is to equal length or double-current to the unequal length capillary restrictor to capillary restrictor; Double fluid is the single capillary flow controller to the equal length flow controller, or 2 flow controllers that above equal length capillary paralleling constitutes; Double fluid is to the unequal length capillary restrictor, be with two unequal length capillaries flow controller of reverse direction flow parallel connection again of respectively connecting after the check valve, or first and second two sections capillary series connection, the check valve and second capillary paralleling, two sections capillaries of the import of check valve and first and second connect the flow controller that end is connected altogether;
Described refrigerant circuit systems organize heat water hold concurrently refrigeration, heat water, the gas that freezes, heat five kinds of circulations of gas and defrosting, the control of its cold-producing medium flow process and electrical part is respectively:
(1) heats the cold-producing medium flow process that water is held concurrently and freezed: compressor → triple valve → hot water coagulation heat exchanger → cross valve → outdoor wind heat exchanger → flow controller → filter → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor; Compressor leaves, triple valve coil no power, and cross valve coil no power, the outdoor fan of outdoor wind heat exchanger stops, and the indoor fan of indoor wind heat exchanger is opened;
(2) heat the cold-producing medium flow process of water: compressor → triple valve → hot water coagulation heat exchanger → cross valve → indoor wind heat exchanger → filter → flow controller → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor; Compressor leaves, triple valve coil no power, and the cross valve coil electricity, the outdoor fan of outdoor wind heat exchanger is opened, and the indoor fan of indoor wind heat exchanger stops;
(3) the cold-producing medium flow process of refrigeration gas: compressor → triple valve → cross valve → outdoor wind heat exchanger → flow controller → filter → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor; Compressor leaves, the triple valve coil electricity, and cross valve coil no power, the outdoor fan of outdoor wind heat exchanger is opened, and the indoor fan of indoor wind heat exchanger is opened;
(4) heat the cold-producing medium flow process of gas: compressor → triple valve → cross valve → indoor wind heat exchanger → filter → flow controller → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor; Compressor leaves, triple valve coil no power, and the cross valve coil electricity, the outdoor fan of outdoor wind heat exchanger is opened, and the indoor fan of indoor wind heat exchanger is opened;
(5) the cold-producing medium flow process of defrosting mode: compressor → triple valve → cross valve → outdoor wind heat exchanger → flow controller → filter → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor; Compressor leaves, triple valve coil no power, and cross valve coil no power, the outdoor fan of outdoor wind heat exchanger stops, and the indoor fan of indoor wind heat exchanger stops.
Innovative point of the present utility model is:
1, simple in structure at refrigerant circulation loop of the present utility model, compare with existing cooling and heating air conditioner, only add a triple valve and hot water coagulation heat exchanger; Refrigerant circulation loop constitutes ingenious, and particularly the exhaust outlet of compressor is connected with the air inlet of triple valve; First gas outlet of triple valve, be connected with the refrigerant inlet of hot water coagulation heat exchanger, the connect connected mode of tee joint of the refrigerant outlet of second gas outlet of triple valve and cross valve first interface and hot water coagulation heat exchanger has important value: (1) make three-way set of the present utility model possess hot water hold concurrently refrigeration, heat water, the gas that freezes, heat four kinds of functions of gas; (2) can keep the throttle mechanism of former cooling and heating air conditioner; (3) heat water and heat two circulation times that water is held concurrently refrigeration at structure, indoor wind heat exchanger and outdoor wind heat exchanger respectively as the subcooler of hot water coagulation heat exchanger, the condensation heat that both can all reclaim compression refrigerant gas heats water, can also improve refrigerating capacity and increase hot water output, the highest heat recovery efficiency is arranged; (4) at the refrigeration gas that switches to the common air-conditioning machine with when heating gas, the obstructed superheated water condensing heat exchanger of the gas of cold-producing medium, the condensing pressure of system can maintain with storage tank in the pairing normal pressure of design temperature, the rising of can breaking.
2, adopted the key technology of the handover success of guaranteeing triple valve used in the refrigerant loop and cross valve: (1) is directly connected to the low pressure escape pipe of the solenoid pilot valve of triple valve on the compressor suction duct of refrigerant loop, otherwise be operated in the gas circuit of the triple valve on higher pressure refrigerant gas road in default of low pressure, the exhaust nonpassage of solenoid pilot valve, triple valve just can not be worked; (2) high-pressure pipe of the solenoid pilot valve of cross valve is directly connected on the compressor exhaust pipe of refrigerant loop; Cross valve of the present utility model is to switch the highly pressurised liquid stream to use in heating the water circulation, cross valve self lacks the high-pressure air source of solenoid pilot valve, so the air inlet pipe of the solenoid pilot valve of the cross valve that is made into by existing cross valve must be connected on the compressor exhaust pipe, otherwise, can not normally move.These improvement have been arranged, just made refrigerant loop make easy switching reliable, systematic function is stable.
3, adopted the water heat exchange circuit system of self-built Natural Circulation stream heat exchange and the design of the hot water coagulation heat exchanger of guide functions is arranged; (1) is built in the hot water coagulation heat exchanger of the multi-layer helical pipe roll type in the storage tank; (2) have the hot water coagulation heat exchanger of fair water sleeves helix tube type; (3) place that storage tank is outer to connect and compose the coaxial sleeve helical coil cartridge type hot water condensing heat exchanger that the header type Natural Circulation flows heat exchange type with storage tank; (4) place that storage tank is outer to connect and compose the cylinder tank helix tube type hot water coagulation heat exchanger that the header type Natural Circulation flows heat exchange type with storage tank; Four kinds of used principles of mode all are will be the low amounts of water around the heat exchange amount of the hot water coagulation heat exchanger heating heat exchanger tube, make it to be rapidly heated, and borrow density to diminish, the arrival storage tank top of directly rising rapidly, and avoid and the mixing of a large amount of waters of storage tank as far as possible; Like this, not by direct-fired water, density still descends greatly in the storage tank, sets up Natural Circulation stream automatically, thereby has strengthened the speed that the current in the helix tube reel rise, and has improved the exchange capability of heat of hot water coagulation heat exchanger; The outermost layer of the multi-layer helical pipe reel of no fair water sleeves adopts many helix tube, can be similar to and play the fair water sleeves buffer action, and further reduce cost.
The water heat exchange circuit system and the design that the hot water coagulation heat exchanger of guide functions is arranged of the heat exchange of self-built Natural Circulation stream, resulting benefit is summed up as following 5 points: first, improved the exchange capability of heat of hot water coagulation heat exchanger, more have a clear superiority in when inflow temperature hangs down and go out hot water continuously, can exert oneself than the common immersion type coil heat exchanger of selling on the market exceeds 1 times; Second, make the mean temperature of the hot water coagulation heat exchanger inner refrigerant of guide functions be higher than the inflow temperature of bottom, be lower than leaving water temperature again, can make the condensing pressure of cold-producing medium circulation maintain best region work, the condensation saturation temperature that is cold-producing medium is in 40～50 ℃ of zones, it is big to exert oneself, and the COP value is high; The 3rd, start shooting and just can take out hot water in several minutes, be not subjected to the influence of storage tank volume size, and the ordinary hot pump hot water machine of big volume storage tank to just can be got hot water for a long time after heating; The 4th, it is reflux type that the cold-producing medium and the water of the hot water coagulation heat exchanger of guide functions are arranged, so utilize the sensible heat of the overheated gas of compressor air-discharging, can make the hot water temperature of hot water coagulation heat exchanger output, higher than the pairing saturation temperature of the condensing pressure of system, and directly delivering to the storage tank top, the user can directly obtain the hot water of maximum temperature; Simultaneously under 55 ℃ of situations of leaving water temperature of national Specification, even use the R22 freon refrigerant, system can superpressure yet; The 5th, the water heat exchange circuit system of self-built Natural Circulation stream heat exchange efficient and compact, so can adopt less storage tank, and directly place on the off-premises station chassis, or be installed in the outdoor casing, this further makes complete machine structure and simple and compact again, reduced the connection copper pipe, reduce the loss of installation process cold-producing medium, make the complete machine stable performance, installation and convenient.Moreover, because the design's employing stainless steel tube replaces copper pipe, though the thermal conductivity factor of tube wall littler,, can guarantee that the copper ion look does not appear in water quality, reduce cost approximately half than copper pipe.
In a word, owing to taked above-mentioned a plurality of utility model measure, domestic efficient cold-heat air-conditioning, water-heating three-purpose machine easy for installation simple in structure of the present utility model, can adapt to and cold and hotly measure different and any allotment with the hot water demand, really realized comprehensive frigiopyretic dysentery usefulness, the utilization rate maximization of equipment year, the average annual maximized target of energy-saving efficiency; Structure is simplified most, has avoided the leakage problem of many valves, has solved in many heat exchangers multiloop heat pump water heater system, and the unbalanced difficult problem of cold-producing medium had improved operation stability of equipment when the loop that the various heat exchange device is formed was moved; Being easy to batch making, being easy to install, can reduce cost significantly, is the energy-conservation domestic hot-water's of producing of real science good equipment, has wide market prospects, will play a role in low-carbon economy, contributes.
Description of drawings
Fig. 1 is the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream of the present utility model heat exchange, the system architecture of embodiment 1 and fundamental diagram, the built-in hot water coagulation heat exchanger that has the fair water sleeves helix tube type of storage tank, be installed in the outdoor casing, belong to from the water heat exchange circuit system that sets up Natural Circulation stream heat exchange type in the case.
Fig. 2 is the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream of the present utility model heat exchange, the system architecture of embodiment 2 and fundamental diagram, the hot water coagulation heat exchanger of the built-in multi-layer helical pipe of storage tank roll type, be installed in the outdoor casing, belong to from the water heat exchange circuit system that sets up Natural Circulation stream heat exchange type in the case.
Fig. 3 is the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream of the present utility model heat exchange, the system architecture of embodiment 3 and fundamental diagram, storage tank and coaxial sleeve helical coil cartridge type hot water condensing heat exchanger, all be installed in the outdoor casing, belong to from the water heat exchange circuit system that sets up header type Natural Circulation stream heat exchange type.
Fig. 4 is the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream of the present utility model heat exchange, the system architecture of embodiment 4 and fundamental diagram, cylinder tank helix tube type hot water coagulation heat exchanger is installed in the outdoor casing, the vertical type storage tank is installed in outside the outdoor casing, belongs to from the water heat exchange circuit system that sets up header type Natural Circulation stream heat exchange type.
Fig. 5 is the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream of the present utility model heat exchange, the system architecture of embodiment 5 and fundamental diagram, cylinder tank helix tube type hot water coagulation heat exchanger is installed in the outdoor casing, traverse formula storage tank is mounted on the off-premises station top, belongs to from the water heat exchange circuit system that sets up header type Natural Circulation stream heat exchange type.
(a) figure of Fig. 6 is the storage tank of the utility model embodiment 1 and the longitudinal profile schematic diagram of the built-in hot water condenser that has the fair water sleeves helix tube type, (b) figure is the schematic cross-sectional view of three spirally-wound tubes circle phase embedding arranged crosswise modes, and (c) figure is be nested the with one heart schematic cross-sectional view of arrangement of 4 spirally-wound tubes circles.
(a) of Fig. 7 and (b) be respectively the longitudinal profile of hot water coagulation heat exchanger of the storage tank of the utility model embodiment 2 and built-in multi-layer helical pipe roll type and the schematic diagram in cross section.
(a) of Fig. 8 and (b) be respectively the longitudinal profile of cylinder tank helix tube type hot water coagulation heat exchanger of the utility model embodiment 4 and the schematic diagram in cross section.
The specific embodiment
Further describe the structure and the operation principle of the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream of the present utility model heat exchange by embodiment below in conjunction with accompanying drawing.But the utility model content is not limited only to shown in the accompanying drawing.
The structural relation of embodiment 1 and operation principle are by Fig. 1 and Fig. 6 illustrated together.
As shown in Figure 1, two of Fig. 1 dashed rectangle A, B represent that respectively the self-built Natural Circulation of the utility model flows off-premises station, the indoor set two big assemblies of the compact cold-heat air-conditioning, water-heating three-purpose machine of heat exchange; Have in the storage tank 8 that the hot water coagulation heat exchanger 2 of fair water sleeves helix tube type uprightly is placed on, storage tank also is installed in the outdoor casing.Compressor 1 also is installed, triple valve 3, cross valve 4, flow controller J, outdoor wind heat exchanger 5 and fan 5a thereof, gas-liquid separator 6 etc. on the off-premises station; Indoor wind heat exchanger 7 and fan 7a thereof are placed in the indoor set; Storage tank 8 is the press-bearing water tank that heat-insulation layer is arranged of stored hot water; The individual interface of cross valve main valve body one side is designated as cross valve first interface 1. (code name is D in refrigeration and air-conditioning technical standard application handbook), three interfaces of the opposite side of cross valve main valve body, when fixing on the cross valve coil approximately and not having electricity with first interface in the interface that is communicated be cross valve second interface 2. (code name is C in manual of standards), when the cross valve coil has electricity with first interface in the interface that is communicated be cross valve the 3rd interface 3. (code name is E in manual of standards), interface placed in the middle is cross valve the 4th interface 4. (code name is S in manual of standards), promptly when the cross valve coil has electricity with in the 3rd interface, be not communicated with, again when the cross valve coil has electricity with second interface in the interface that is communicated with; The cross valve first interface diameter is less relatively, generally as common inlet; Cross valve the 4th interface is generally as public outlet;
The refrigerant loop connected mode of embodiment 1 is, the exhaust outlet of compressor 1 is connected with the air inlet of triple valve 3,1. first gas outlet of triple valve 3 with the interior interface that is communicated with of air inlet, is not connected with the refrigerant inlet of hot water coagulation heat exchanger 2 when promptly the triple valve coil has electricity; 1. 2. triple valve second gas outlet be connected intercommunicated with the refrigerant outlet of hot water coagulation heat exchanger 2 with cross valve first interface 4; 2. cross valve second interface 4 is connected with the last end interface of outdoor wind heat exchanger 5, after 3. cross valve the 3rd interface 4 is connected to the first angle valve Z1 on the outdoor casing, be connected with the last end interface of indoor wind heat exchanger 7 with the pipe that removably connects again, 4. cross valve the 4th interface 4 is connected with the air inlet of gas-liquid separator 6, and the gas outlet of gas-liquid separator is connected with the air inlet of compressor 1; The following end interface of outdoor wind heat exchanger 5 is connected with first interface of flow controller J, behind the second interface in-line filter G of flow controller, is connected to the second angle valve Z2 on the outdoor casing, is connected with the following end interface of indoor wind heat exchanger 7 with the pipe that removably connects again; Fill cold-producing medium in the loop that is linked to be; Between the compressor outlet pipeline and compressor air suction pipeline of refrigerant circuit systems, increase the bypass line of a quick balance sysmte air pressure when shutting down, normally closed solenoid valve is installed on bypass line, and magnetic valve moment unlatching was closed again after tens seconds during shutdown;
The triple valve 3 of embodiment 1 is the Pneumatic three-way valves that have solenoid pilot valve 3a, form by the existing Pneumatic four-way valve transformation of the way that has solenoid pilot valve in market, promptly there is the cross valve main valve body the middle interface of three interfaces to block, the solenoid pilot valve 3a low pressure tubule that goes out to breathe hard, from original with cut off being connected of mouthpiece (code name is the adapter of S in standardization), one section tubule of repair welding is connected with the compressor suction duct of refrigerant loop as solenoid pilot valve low pressure escape pipe L1 and leads to; Described cross valve 4 is the Pneumatic four-way valves that have solenoid pilot valve 4a, form by the existing Pneumatic four-way valve improvement that has solenoid pilot valve in market, promptly the short tubule of the high pressure admission of solenoid pilot valve, from cutting off original the connection with cross valve first mouthpiece, one section tubule of repair welding is connected logical with the compressor exhaust pipe of refrigerant loop as the high-pressure pipe L2 of solenoid pilot valve, L1 and L2 use and a little put a line and represent especially in Fig. 1;
Described flow controller J adopts two sections capillary J1 and J2 series connection, and the double fluid of a check valve D1 and second section capillary J2 parallel way is to capillary restrictor, and the flow direction of check valve is pointed to indoor wind heat exchanger 7.
The self-built circular flow heat exchange mode of embodiment 1 is further specified by Fig. 6.The structural representation of storage tank 8 shown in Figure 1 and its interior hot water coagulation heat exchanger 2 that has the fair water sleeves helix tube type of installation, further refinement in Fig. 6, Fig. 6 (a) is the longitudinal profile of the storage tank of the built-in hot water coagulation heat exchanger that has a fair water sleeves helix tube type, storage tank 8 is a press-bearing water tank, and the hot water coagulation heat exchanger 2 and the fair water sleeves 13 of helix tube type uprightly is installed in the storage tank; 3 or 4 support bars respectively are equipped with at the fair water sleeves two ends, and support bar 14 outwards opens, and utilize support bar to withstand on the case lamina tecti of storage tank and the elastic force that base plate produces microbend, and fair water sleeves is fixed in the storage tank together with helix tube; Be welded with cold-producing medium air inlet main and liquid on the water storage tank wall and flow out hole connector RF and the LF that main passes through, hole connector is threaded, cold-producing medium into and out of adopting after main passes the hole connector of storage tank sidewall nut and seal washer dead the clearance seal between main and the hole connector endoporus; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll, and Fig. 6 (b) is depicted as the schematic cross-sectional view of three spirally-wound tubes circle phase embedding arranged crosswise modes; Fig. 6 (c) is depicted as be nested the with one heart schematic cross-sectional view of arrangement of 4 spirally-wound tubes circles; The outside of storage tank is surrounded by heat-insulation layer 12, and the water inlet interface LS of storage tank is in the bottom, and hot water outlet RS is on top; Fig. 1 has provided the connected mode in the water route and the user water route of system, into water check valve Ds1 is housed on the running water water inlet pipe, water intaking valve F1 is equipped with superpressure safety protective valve Fa on the hot water outlet pipe, hot water effluent's interface of heat storage water tank is connected with user's hot water feeding pipe; When the warm refrigerant fluid enters the hot water coagulation heat exchanger, the low amounts of water of fair water sleeves inner region is subjected to the common heating of each helix tube, be rapidly heated, and borrow density to diminish, directly rise rapidly and arrive the storage tank top, the isolation of fair water sleeves, avoided mixing of the outer a large amount of waters of hot water and fair water sleeves, the water density of fair water sleeves periphery is still bigger, so, under the water density difference effect in the inside and outside district of fair water sleeves, set up circular flow automatically, thereby strengthened the speed that the current in the helix tube reel rise, improved the exchange capability of heat of hot water coagulation heat exchanger;
The control signal refrigerant evaporator outlet temperature of embodiment 1 described collection is temp probe T1, the T2 of outdoor, indoor wind heat exchanger upper port, the hot water temperature of the storage tank T3 that pops one's head in, compressor air suction and pressure at expulsion probe P1 and P2; Temp probe T1, the T2 of outdoor, indoor wind heat exchanger provides air conditioner control parameter, and the hot water temperature T3 that pops one's head in provides and heats water running control parameter, and pressure probe P1 and P2 provide security of system protection parameter;
The compact cold-heat air-conditioning, water-heating three-purpose machine of embodiment 1 described self-built Natural Circulation stream heat exchange, have four kinds of function closed circuits: heat the double refrigeration of water, heat water, refrigeration gas, heat the gas closed circuit, can organize four kinds of function circulations and a kind of defrost cycle operational mode, wherein heat the double refrigeration of water and heat water-flow circuit, be respectively refrigeration and heat the wind heat exchanger used as condenser in the gas closed circuit and exhaust outlet of compressor between add the new independent loop that the hot water coagulation heat exchanger forms, be called for short three heat-exchanger circuits of the preposition tandem of hot water coagulation heat exchanger; The circuit control of five kinds of circulation patterns and the cold-producing medium flow process of closed circuit are respectively:
(1) heat the water refrigeration mode of holding concurrently: compressor 1 starts, triple valve 3 and cross valve 4 coil no powers, and indoor machine fan 7a opens, and outdoor machine fan 5a is closed down; The cold-producing medium flow process: compressor 1 → triple valve 3 1. → J1 and D1 → filter G → second angle valve Z2 → indoor wind heat exchanger 7 → the first angle valve Z1 → cross valves 4 (3. → the 4.) → gas-liquid separator 6 → compressor 1 of hot water coagulation heat exchanger 2 → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 → flow controller J; This circulation, indoor wind heat exchanger absorption refrigeration, the heat release of hot water coagulation heat exchanger heats water.
(2) heat aqueous mode: compressor starts, triple valve coil no power, and the cross valve coil electricity, outdoor machine fan is opened, and indoor machine fan is closed down; Cold-producing medium flow process: the J2 of compressor 1 → triple valve 3 (1.) → hot water coagulation heat exchanger 2 → cross valve 4 (1. → 3.) → first angle valve Z1 → indoor wind heat exchanger 7 → the second angle valves Z2 → filter G → flow controller J and J1 → outdoor wind heat exchanger 5 → cross valve 4 (2. → 4.) → gas-liquid separator 6 → compressor 1; This circulation, indoor wind heat exchanger heat absorption, the heat release of hot water coagulation heat exchanger heats water.
(3) refrigeration gas pattern: compressor starts, the triple valve coil electricity, and cross valve coil no power, indoor machine fan is opened, and outdoor machine fan is opened; Cold-producing medium flow process: the J1 of compressor 1 → triple valve 3 (2.) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 → flow controller J and D1 → filter G → second angle valve Z2 → indoor wind heat exchanger 7 → the first angle valve Z1 → cross valves 4 (3. → 4.) → gas-liquid separator 6 → compressor 1; This circulation, indoor wind heat exchanger heat absorption, the heat release of outdoor wind heat exchanger.
(4) heat the gas pattern: compressor starts, the triple valve coil electricity, and the cross valve coil electricity, indoor machine fan is opened, and outdoor machine fan is opened; Cold-producing medium flow process: compressor 1 → triple valve 3 (2.) → cross valve 4 (1. → 3.) → first angle valve Z1 → indoor wind heat exchanger 7 → the second angle valves Z2 → filter G → flow controller J J2 and J1 → outdoor wind heat exchanger 5 → cross valve 4 (2. → 4.) → gas-liquid separator 6 → compressor 1; This circulation, outdoor wind heat exchanger heat absorption, the heat release of indoor wind heat exchanger.
(5) defrosting mode: compressor starts, the triple valve coil electricity, and cross valve coil no power, indoor machine fan 7a closes, and outdoor machine fan 5a closes; Cold-producing medium flow process: the J1 of compressor 1 → triple valve 3 (2.) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 → flow controller J and D1 → filter G → second angle valve Z2 → indoor wind heat exchanger 7 → the first angle valve Z1 → cross valves 4 (3. → 4.) → gas-liquid separator 6 → compressor 1; This circulation, indoor wind heat exchanger absorbs heat on a small quantity, outdoor wind heat exchanger heat release defrosting.
The structural relation of embodiment 2 and operation principle are by Fig. 2 and Fig. 7 illustrated together.
The compact cold-heat air-conditioning, water-heating three-purpose machine of the self-built Natural Circulation stream heat exchange of embodiment 2, with the three-way set of embodiment 1 be identical in refrigerant circuit systems, only be the mode difference of the self-built Natural Circulation stream of hot water coagulation heat exchanger; As Fig. 2 and shown in Figure 7, described hot water coagulation heat exchanger is the hot water coagulation heat exchanger of multi-layer helical pipe roll type, is directly placed the water heat exchange circuit system of Natural Circulation stream heat exchange type in the case that makes up in the storage tank by 3 helical layer pipe reels; 80 millimeters of the inner drum diameters of 3 helical layer pipe reels, 110 millimeters of middle drum diameters, 140 millimeters of outer drum diameters, outer reel 2c adopts 2 helix tubes, in, each helix tube of inner drum 2b, 2a, every spiral pipe range is at 5～6 meters, stainless steel tube with 0.8 millimeter of 9.52 millimeters wall thickness of caliber rolls, concentric locking collar stands in the heat exchanger in the storage tank from the inside to the outside, 0.6 meter of the height of helix tube reel, 0.65 meter of the height of storage tank, 60 liters of storage tank volumes, about 10 liters of the volume of helix tube reel envelope is 1/6 of storage tank volume; Each helix tube adopts the mode that is connected in parallel, the upper port of each helix tube is welded on the air inlet main of cold-producing medium, the liquid that lower port is welded on cold-producing medium flows out on the main, the air inlet main of cold-producing medium and liquid flow out the hole connector that main passes the storage tank sidewall, hole connector is to be welded on the storage tank sidewall and to be threaded, and adopts nut and seal washer dead the clearance seal between main and the hole connector endoporus.When warm refrigerant gas enters each helix tube of hot water coagulation heat exchanger, the water of each helix tube periphery begins to rise, because the helix tube levels of outer reel distance is closeer, together with the current that rise, automatically form the cylindrical shape separation layer, with outermost layer helix tube reel is the boundary, is the moisture in the storage tank two districts, in the helix tube reel, the helix tube of internal layer just only is responsible for heating the water that encloses in the outer spiral tube reel, so the water of helix tube reel inner region is heated fast, fast rise arrives the top of storage tank, the falling under water of outer spiral tube reel outskirt, enter helix tube reel inner region from helix tube reel lower curtate, set up the circular flow heat exchange certainly; Because the water flow velocity of helix tube outer wall improves,, heat water efficient and also improve so exchange capability of heat improves.The technical scheme of described embodiment 2 and embodiment 1 usefulness fair water sleeves are isolated the hot and cold pool of storage tank, and setting up the circular flow heat exchange mode has close effect, still, has saved fair water sleeves, more saves cost.
Structural relation and the operation principle of embodiment 3 are further specified by Fig. 3, self-built Natural Circulation stream the compact cold-heat air-conditioning, water-heating three-purpose machine of heat exchange and comparing of embodiment 1 and embodiment 2 of embodiment 3, and refrigerant circuit systems is identical; The main distinction is, the water heat exchange circuit system of embodiment 3 is the water heat exchange circuit system that is flowed heat exchange type by the header type Natural Circulation that storage tank and its outer hot water coagulation heat exchanger 2 connect and compose; The described hot water coagulation heat exchanger 2 that guide functions is arranged is the helical coil cartridge type hot water condensing heat exchangers that roll with coaxial sleeve, and spiral-wound roll tightly is enclosed within the storage tank outer wall, and the height of spiral-wound roll and the height of storage tank are approaching; The upper/lower terminal mouth of the interior pipe of coaxial sleeve circulation water inlet, the water outlet interface of the upper and lower part of storage tank respectively connects; By cold-producing medium, the upper and lower end interface of cold-producing medium is connected on the refrigerant loop between the interior pipe of coaxial sleeve and the sleeve pipe.
The structural relation of embodiment 4 and operation principle are further specified by Fig. 4 and Fig. 8, and self-built Natural Circulation stream the compact cold-heat air-conditioning, water-heating three-purpose machine of heat exchange and comparing of embodiment 1 and embodiment 3 of embodiment 4 are identical in refrigerant circuit systems; The water heat exchange circuit system of embodiment 4, though the same with embodiment 3 be to adopt hot water coagulation heat exchanger 2 is placed outside the storage tank, is connected with storage tank by upper and lower connection water pipe, formation header type Natural Circulation flows the water heat exchange circuit system of heat exchange type; But the hot water coagulation heat exchanger that guide functions is arranged of embodiment 4 as shown in Figure 8, is a cylinder tank helix tube type hot water coagulation heat exchanger 2; Described cylinder tank helix tube type hot water coagulation heat exchanger, comprise thin and tall shape cylinder tank and place its interior multi-layer helical pipe reel 2, the ratio of height to diameter of cylinder tank 8 is greater than 2, helix tube reel number haves three layers, place with one heart, inner helix pipe reel 2a, middle helix tube reel 2b, the height of each helix tube reel of outer spiral tube reel 2c is all approaching with the height of cylinder tank, the external diameter of outermost helix tube reel and the internal diameter of cylinder tank are approaching, can 10 millimeter less than normal, the radial spacing of different layers helix tube reel greater than the spiral caliber at 5～10 millimeters, the equal in length of each helix tube is advisable, each helix tube adopts the mode that is connected in parallel, pass through cold-producing medium in the helix tube, flowing water between helix tube, the upper port of each helix tube is welded on the air inlet main of cold-producing medium, the liquid that lower port is welded on cold-producing medium flows out on the main, the air inlet main of cold-producing medium and liquid flow out the hole connector that main passes the storage tank sidewall, hole connector is to be welded on the storage tank sidewall, be threaded, adopt nut and seal washer dead the clearance seal between main and the hole connector endoporus, helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll; The upper and lower end of cylinder tank is respectively equipped with the water-in and water-out interface of 40 millimeters of bores, be connected with circulation water inlet XRS with the circulating outlet XLS of storage tank respectively, the tip position of storage tank 8 is higher than the delivery port of cylinder tank helix tube type hot water coagulation heat exchanger 2, the lower curtate of storage tank is not less than the bottom water inlet position of cylinder tank helix tube type hot water coagulation heat exchanger, constitutes the water heat exchange circuit system of header type Natural Circulation stream heat exchange type thus; The storage tank of embodiment 4 is a vertical type, and independent and off-premises station is existed side by side, and cylinder tank helix tube type hot water coagulation heat exchanger is installed on the interior chassis of outdoor casing.When the cold-producing medium of heat passes through in the helix tube of cylinder tank helix tube type hot water coagulation heat exchanger, because the volume of tank body is little, diameter is less than 18 centimetres, highly about 55 centimetres, about 10 liters of volume, water in the tank body is heated rapidly, cylinder tank helix tube type hot water coagulation heat exchanger and storage tank are linker, the water that storage tank is cool flows to the bottom of hot water coagulation heat exchanger from the bottom cycle water delivery port of storage tank, the hot water at hot water coagulation heat exchanger top passes through delivery port, flow to the storage tank top, set up the heat exchange of header type Natural Circulation stream automatically, higher heat exchange efficiency is arranged.This scheme makes the off-premises station volume can be less, and the storage tank variable volume is moving.Different with the efficient jar of heat exchanger that sell in market, it in the helix tube of cylinder tank helix tube type hot water coagulation heat exchanger refrigerant fluid by high pressure, the outer circulating water of helix tube in the tank body, the aquaporin area is big, and the current dynamic resistance is little, and water pressure is little more than high-pressure refrigerant pressure, the cylinder tank skin needn't be blocked up, available corrosion resistant plate rolls, and the spiral caliber is little, the pressure-bearing height.So cylinder tank helix tube type hot water coagulation heat exchanger is fit to be used with storage tank.The water inlet joint LS of storage tank avoids the too low current of inflow temperature in winter directly to enter the hot water coagulation heat exchanger in storage tank half eminence, causes condensation temperature low excessively, system's undercapacity.Storage tank delivery port joint RS is at topmost, water out adapter be connected to bypass pressure release branch road, storage tank protection against overpressure valve Fa is housed on the pressure release bypass line.
The structural relation and the operation principle of the compact cold-heat air-conditioning, water-heating three-purpose machine of the self-built Natural Circulation stream heat exchange of embodiment 5 are further specified by Fig. 5, as shown in Figure 5, the three-way set difference of the three-way set of embodiment 5 and embodiment 4 is, the storage tank of embodiment 5 is a traverse formula storage tank, is mounted on the off-premises station top.The operation principle of the water heat exchange circuit system of the header type Natural Circulation stream heat exchange type that is constituted is identical with embodiment 4, and circular flow heat transfer free convection ability is stronger.The cold-producing medium road of embodiment 5 not between the compressor outlet pipeline and compressor air suction pipeline of its refrigerant circuit systems, increases the bypass line of quick balance sysmte air pressure when shutting down; Shut down after several minutes, system's air pressure can tend to balance, and therefore, starting once more after the shutdown must take to shut down several minutes control measure of back time-delay, could guarantee safe starting.
Claims (7)
1. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream heat exchange includes refrigerant circuit systems, water heat exchange circuit system, storage tank, signals collecting and circuit control system; Described refrigerant circuit systems comprises off-premises station and indoor set two assemblies, and off-premises station is equipped with compressor, flow controller, outdoor wind heat exchanger and fan thereof, cross valve, filter, gas-liquid separator, and indoor set is equipped with indoor wind heat exchanger and fan thereof; Outdoor casing is provided with first and second two angle valves that are connected with indoor wind heat exchanger upper and lower end interface; Described storage tank is the press-bearing water tank that heat-insulation layer is arranged of stored hot water, is provided with to replenish water inlet interface and hot water effluent's interface; The individual interface of cross valve main valve body one side is designated as cross valve first interface, the sequence number of three interfaces of the opposite side of cross valve main valve body, when fixing on the cross valve coil approximately and not having electricity with first interface in the interface that is communicated be cross valve second interface, when the cross valve coil has electricity with first interface in the interface that is communicated be cross valve the 3rd interface, interface placed in the middle is cross valve the 4th interface, the 4th interface is not communicated with when the cross valve coil has electricity with in the 3rd interface, again when the cross valve coil has electricity with second interface in the interface that is communicated with; Described flow controller is capillary or electric expansion valve or heating power expansion valve; The control signal of described collection includes the outlet temperature of indoor wind heat exchanger and outdoor wind heat exchanger heat-exchanging tube, the coolant-temperature gage of storage tank, indoor air temperature, the pressure of inspiration(Pi) of compressor and pressure at expulsion;
It is characterized in that: described self-built Natural Circulation flows the compact cold-heat air-conditioning, water-heating three-purpose machine of heat exchange, is equipped with the hot water coagulation heat exchanger of refrigerant loop and the crosslinked device of water heat exchange circuit; The hot water coagulation heat exchanger is installed on the off-premises station chassis, or is installed in the storage tank and is installed on the off-premises station chassis together with storage tank; Described water heat exchange circuit system is the water heat exchange circuit system of self-built Natural Circulation stream heat exchange, comprises storage tank and the hot water coagulation heat exchanger of guide functions is arranged; There are two kinds of forms in the water heat exchange circuit system of described self-built Natural Circulation stream heat exchange: a kind of is to place the hot water coagulation heat exchanger that guide functions is arranged the interior Natural Circulation of case in the storage tank to flow heat exchange type; Another kind is there being the hot water coagulation heat exchanger of guide functions to place outside the storage tank, with connecting water pipe the water inlet of the water-flowing path of hot water coagulation heat exchanger and delivery port are coupled together the header type Natural Circulation stream heat exchange type that is constituted with the circulating water outlet and the recirculated water water inlet of storage tank respectively; Described refrigerant circuit systems also includes a triple valve; The connected mode of refrigerant loop is: the exhaust outlet of compressor is connected with the air inlet of triple valve; First gas outlet of triple valve is connected with the refrigerant inlet of hot water coagulation heat exchanger; The refrigerant outlet of second gas outlet of triple valve and cross valve first interface and the hot water coagulation heat exchanger tee joint that connects; Cross valve second and third, four interfaces are connected with the last end interface of outdoor wind heat exchanger, first angle valve on the outdoor casing, the air inlet of gas-liquid separator respectively; The gas outlet of gas-liquid separator is connected with the air inlet of compressor; On the following end interface of outdoor wind heat exchanger and the connecting line between second angle valve on the outdoor casing flow controller and filter are installed; With two pipes that removably connect the upper/lower terminal mouth of the indoor wind heat exchanger of indoor set is connected with first and second angle valve on the outdoor casing; Fill cold-producing medium in the refrigerant loop that is linked to be; Described triple valve is the Pneumatic three-way valve that has solenoid pilot valve, and the low pressure escape pipe of its solenoid pilot valve is directly connected on the compressor suction duct of refrigerant loop; Described cross valve is the Pneumatic four-way valve that has solenoid pilot valve, and the high-pressure pipe of its solenoid pilot valve is directly connected on the compressor exhaust pipe of refrigerant loop.
2. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream as claimed in claim 1 heat exchange; it is characterized in that: perhaps; between the compressor outlet pipeline and compressor air suction pipeline of the refrigerant circuit systems of also stating thereon; increase the bypass line of a quick balance sysmte air pressure when shutting down; normally closed solenoid valve is installed on bypass line, and magnetic valve moment unlatching was closed again after tens seconds during shutdown.
3. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream as claimed in claim 1 heat exchange, it is characterized in that: the water heat exchange circuit system of Natural Circulation stream heat exchange type in the described case, it has the hot water coagulation heat exchanger of guide functions, it is the hot water coagulation heat exchanger that two-layer above multi-layer helical pipe roll type is arranged, be nested with one heart and uprightly place storage tank axle center district, the volume in helix tube reel institute envelope district is less than 1/3rd of storage tank volume, and the height of helix tube reel and storage tank height are approaching, the two ends of each bar helix tube are in parallel respectively to be welded on the air inlet main of cold-producing medium and the liquid of cold-producing medium flows out on the main, the air inlet main of cold-producing medium and liquid flow out the hole connector that main passes the storage tank sidewall, and is dead the clearance seal between main and the hole connector endoporus with the mechanical seal mode; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll.
4. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream as claimed in claim 1 heat exchange, it is characterized in that: the water heat exchange circuit system of Natural Circulation stream heat exchange type in the described case, it has the hot water coagulation heat exchanger of guide functions, or have the hot water coagulation heat exchanger of fair water sleeves helix tube type, be nested or enclose the phase embedding by 2 to 6 many spirally-wound tubes circles and intersect, the outside is with fair water sleeves, uprightly be installed in the heat exchanger in the storage tank, the equal in length of each helix tube or near equating to be advisable, air inlet main and liquid that the employing mode of being connected in parallel is welded on cold-producing medium flow out on the main, advancing of cold-producing medium, go out the hole connector that main passes the storage tank sidewall, and dead with the mechanical seal mode the clearance seal between main and the hole connector endoporus; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll; Several support bars respectively are equipped with at the fair water sleeves two ends, and the case lamina tecti and the base plate that utilize support bar to withstand on storage tank produce crooked elastic force, and fair water sleeves is fixed in the storage tank together with helix tube; The height of fair water sleeves is a little less than hot water effluent's open height at storage tank top, the bottom encumbrance cm distance of its lower port and storage tank, and the water inlet of storage tank is arranged on the bottom.
5. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream as claimed in claim 1 heat exchange, it is characterized in that: the water heat exchange circuit system of described header type Natural Circulation stream heat exchange type, it has the hot water coagulation heat exchanger of guide functions, be the hot water coagulation heat exchanger that constitutes by thin and tall shape cylinder tank and the multi-layer helical pipe reel of placing in it, cylinder tank helix tube type hot water coagulation heat exchanger by name; The ratio of height to diameter of cylinder tank is greater than 2, helix tube reel number is greater than 2, place with one heart, the volume in helix tube reel institute envelope district is near the volume of storage tank, the height of each helix tube reel is all approaching with the height of cylinder tank, its two ends are in parallel respectively be welded on the air inlet main of cold-producing medium and main that refrigerant liquid flows out on, the air inlet main of cold-producing medium and liquid flow out main and pass the hole connector that is welded on the cylinder tank sidewall, and use the mechanical seal mode, dead the clearance seal between main and the hole connector endoporus; Helix tube adopts stainless steel tube or copper pipe or Alpaka pipe to roll; The upper and lower end of cylinder tank is respectively equipped with bigbore water-in and water-out interface; Described water inlet and the delivery port that the cylinder tank helix tube type hot water coagulation heat exchanger of guide functions is arranged, be connected with the circulation water inlet with the circulating outlet of storage tank respectively, the tip position of storage tank is higher than the delivery port of cylinder tank helix tube type hot water coagulation heat exchanger, the bottom of storage tank is not less than the bottom water inlet position of cylinder tank helix tube type hot water coagulation heat exchanger, constitutes the water heat exchange circuit system of header type Natural Circulation stream heat exchange type thus.
6. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream as claimed in claim 1 heat exchange, it is characterized in that: the hot water coagulation heat exchanger that guide functions is arranged of described header type Natural Circulation stream heat exchange type, or, coaxial sleeve helical coil cartridge type hot water condensing heat exchanger, spiral-wound roll tightly is enclosed within the storage tank outer wall, and the height of spiral-wound roll and the height of storage tank are approaching; By current, the upper/lower terminal mouth of interior pipe is connected with circulation water inlet, the water outlet interface of the upper and lower part of storage tank respectively, constitutes the header type Natural Circulation and flows heat exchange type water heat exchange circuit system in the pipe of the interior pipe of coaxial sleeve; By cold-producing medium, the upper and lower end interface of refrigerant passage is connected on the refrigerant loop between the interior pipe of coaxial sleeve and the outer tube.
7. the compact cold-heat air-conditioning, water-heating three-purpose machine of self-built Natural Circulation stream as claimed in claim 1 heat exchange is characterized in that: described double fluid is double-current to capillary to flow controller, or double-current to electric expansion valve, or double fluid is to heating power expansion valve; Described double fluid is that double fluid is to equal length or double-current to the unequal length capillary restrictor to capillary restrictor; Double fluid is the single capillary flow controller to the equal length flow controller, or 2 flow controllers that above equal length capillary paralleling constitutes; Double fluid is to the unequal length capillary restrictor, be with two unequal length capillaries flow controller of reverse direction flow parallel connection again of respectively connecting after the check valve, or first and second two sections capillary series connection, the check valve and second capillary paralleling, two sections capillaries of the import of check valve and first and second connect the flow controller that end is connected altogether.
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| CN2010206371939U CN201945087U (en) | 2010-12-02 | 2010-12-02 | Compact type cool/warm air-conditioning and water heating triple-purpose machine capable of establishing natural circulation heat exchange automatically |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032999A (en) * | 2011-10-08 | 2013-04-10 | 陈则韶 | Dual-heat source heat pump water heating all-in-one machine employing dual four-way valves for switching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032999A (en) * | 2011-10-08 | 2013-04-10 | 陈则韶 | Dual-heat source heat pump water heating all-in-one machine employing dual four-way valves for switching |
| CN103032999B (en) * | 2011-10-08 | 2014-12-03 | 陈则韶 | Dual-heat source heat pump water heating all-in-one machine employing dual four-way valves for switching |
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