CN100491869C - Geothermal heat exchanger and heat pump type air conditioner utilizing geothermal heat - Google Patents
Geothermal heat exchanger and heat pump type air conditioner utilizing geothermal heat Download PDFInfo
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- CN100491869C CN100491869C CNB2005101186070A CN200510118607A CN100491869C CN 100491869 C CN100491869 C CN 100491869C CN B2005101186070 A CNB2005101186070 A CN B2005101186070A CN 200510118607 A CN200510118607 A CN 200510118607A CN 100491869 C CN100491869 C CN 100491869C
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
To provide a geothermal heat pump type air conditioner for saving energy by reducing load of a hydrothermal heat pump, generating no heat exchange loss owing to high heat exchange efficiency of an underground heat exchanger and for making it easy to process the underground heat exchanger, bore a hole for burying the underground heat exchanger and conduct a burial work. The geothermal heat pump type air conditioner consists of the underground heat exchanger equipped with a resin supply pipe part through which a heat medium spirally flows downward underground near an earth surface and a return pipe part for returning the heat medium out from the supply pipe part to above the ground, a water coil for conducting heat exchange of air for air supply by flowing the heat medium which is heated and/or cooled by the underground heat exchanger and a water heat source heat pump for conducting heat exchange of a circulation refrigerant by flowing the heat medium and for conducting heat exchange of the air for air supply via the water coil by the circulation refrigerant.
Description
Technical field
The geothermal utilization heat-pump type air-conditioner that the present invention relates to a kind of subterranean heat exchanger and possess this subterranean heat exchanger.
Background technology
Underground temperature in the position darker than desired depth, roughly is steady temperature in the middle of 1 year.Utilize the characteristic of this subsurface temperature, developed a kind of air-conditioning system air-conditioning, that utilize underground heat of carrying out.Keeping the underground heat of steady temperature utilizes heating agent to gather heat by heat exchanger.
Be used in the heat exchanger of the aircondition that utilizes underground heat, have that heating agent can pass through, all be the past flow tube of U font, excavated cavity is up to underground deep layer portion, insert and bury underground U character segment, carry out heat exchange between the underground heat that has of soil and the heat around through inner heating agent maintenance toward flow tube.Toward the viewpoint of flow tube, use plastic pipe according to corrosion resistance and durability etc.
In addition, use this subterranean heat exchanger, between the heating agent of adjusted temperature and circulation refrigerant, carry out heat exchange, and can between circulation refrigerant and air feed are with air, carry out heat exchange, constitute hydro-thermal source heat pump.
Patent documentation 1: TOHKEMY 2001-289533 communique
Patent documentation 2: TOHKEMY 2003-207174 communique
In above-mentioned heat exchanger,, can suppress operating cost lower owing to do not use evaporimeter (boiler) and cooler (chiller).But,, therefore require to save more the energy because energy situation is more and more nervous.
But the heat in order need to obtain in above-mentioned subterranean heat exchanger need excavate towards the shaft of deep layer portion for a long time with special excavating equipment.Therefore, need prevent the processing of the shaft avalanche of having excavated, follow the post processings such as earth, water burst of excavation etc., exist the flow chart number too much and increase the problem of manufacturing cost.
Adopt and to suppress manufacturing cost at least, make the scheme of inserting a plurality of U font subterranean heat exchangers etc. in that the capacity that inserts the U font subterranean heat exchanger in the shaft increases, shaft.But, in underground narrow scope, concentrate and gather heat, for example in the winter time the time, because the heat of the per unit volume of capturing from underground increases, thereby the recovery of subsurface temperature needs the long period, therefore, adopts that heat continue to reduce and air-conditioning can't turn round, perhaps must use anti-icing fluid to be used to prevent to freeze, so the problem of existence generation environmental pollution etc.
In addition, in the subterranean heat exchanger of U font, because toward the road and return in the road, heating agent is through identical path flow, for example in the winter time the time, return the face of land to heating agent till, from gathering the heating agent heat release of heat, existence may produce the problem of very big thermal loss easily.
Summary of the invention
The present invention In view of the foregoing makes, and its purpose is, a kind of subterranean heat exchanger and geothermal utilization heat-pump type air-conditioner are provided, and can suppress manufacturing cost, and can suppress heat loss.
For achieving the above object, the subterranean heat exchanger of the 1st invention can be embedded in undergroundly, can carry out heat exchange between the heating agent of internal flow and soil, it is characterized in that having: flow tube, and shape, above-mentioned heating agent can flow downwards in inside in the shape of a spiral; And flow tube, the above-mentioned heating agent that flow to the below from this flow tube can being directed on the ground, above-mentioned flow tube is wound into downwards enlarged diameter or diameter reduction successively.
The subterranean heat exchanger of the 2nd invention is characterized in that, in the 1st invention, above-mentioned flow tube is wound into flat shape and is circle, polygonal or ellipse.
The subterranean heat exchanger of the 3rd invention is characterized in that, in the 1st invention, above-mentioned flow tube is a flat tube.
The subterranean heat exchanger of the 4th invention is characterized in that, in the 1st invention, above-mentioned flow tube is a pipe, and the cross section of tube wall forms wavy.
The subterranean heat exchanger of the 5th invention is characterized in that, in the 3rd invention, above-mentioned flow tube has pointed section at the long diameter side end in the cross section of flat tube.
The geothermal utilization heat-pump type air-conditioner of the 6th invention is characterized in that possessing: as each described subterranean heat exchanger in the claim 1 to 5; Water coil has carried out the heating agent of heat exchange and air feed with carrying out heat exchange between the air by this subterranean heat exchanger; And hydro-thermal source heat pump, have: the air feed side air heat exchanger that carries out heat exchange between above-mentioned heating agent and the circulation refrigerant after the air feed that carries out the heat source side water heat exchanger of heat exchange between the circulation refrigerant of inner loop and passed through above-mentioned water coil is with air and heat exchange.
The geothermal utilization heat-pump type air-conditioner of the 7th invention is characterized in that, in above-mentioned the 6th invention, the condensed water that produces with above-mentioned air feed side air heat exchanger comes wetting above-mentioned water coil.
The geothermal utilization heat-pump type air-conditioner of the 8th invention is characterized in that, in the 6th or the 7th invention, is elliptical tube at above-mentioned air feed side air heat exchanger and the employed heat transfer tube of above-mentioned water coil.
The geothermal utilization heat-pump type air-conditioner of the 9th invention is characterized in that, in arbitrary invention of the 6th to the 8th invention, on the main body cover that is provided with above-mentioned hydro-thermal source heat pump and above-mentioned water coil, has the air-feeding ventilator assembly that is communicated with by pipeline.
The invention effect:
According to the 1st invention, make flow tube become thin and long helical form, be embedded near the face of land, make heating agent do counter-current flow with respect to geothermal heat flow, improve heat exchanger effectiveness thus and disperse on a large scale underground, bit by bit carry out heat exchange with on every side soil.Thus, can obtain heating agent is carried out the required geothermal flow of adjustment, the geothermal flow of the per unit volume of capturing from underground is reduced.Usually, the degree of depth is the influence that the subsurface temperature till the 1m is subjected to atmosphere easily, low and summer in winter height.But heating agent can be gathered heat (winter) or temperature difference that can heat release (summer) for underground soil, so the temperature of underground recovers easily, can be for a long time operation of air conditioner continuously.In addition, owing to can adopt heat continuously,, need not use the non freezing solution of high price even use the water of non-environmental-pollution misgivings also can not freeze as heating agent.
And, flow tube being formed helical form, thereby easily processing, the structure by spring has retractility, so shock resistance is good, and is abundant to the durability of earthquake, can prevent that the heating agent that causes because of breakage from leaking.On the other hand, make heating agent return the effect on ground as long as flow tube has, therefore can shorten length, the heat loss that causes with underground heat exchange once more reduces, and heat exchanger effectiveness improves, and heat medium temperature is stable thus.In addition, the common excavating equipment that waits with monobucket excavator (power shovel) with the hole of burying underground of flow tube carries out shallow degree excavation and gets final product near the face of land, the shortening excavation time, can realize the minimizing expense.
Change the size of the winding diameter of spiral helicine flow tube, avoid the repetition of pipe portion heat exchange area each other thus, do not carry out the early recovery that heat exchange realizes subsurface temperature on a large scale with do not have omitting, can improve heat exchanger effectiveness underground.For example, the mode that enlarges successively with diameter downwards forms under the situation of flow tube, and increases underground heat along with deepening correspondingly, increases the diameter of flow tube 1 and increases heat exchange amount, can improve heat exchanger effectiveness thus.In addition, burying underground under the situation of flow tube, piling up earth, forming the chevron shape along the shape of flow tube thus, can not destroy the shape of flow tube and bury underground from the diameter central portion.On the other hand, the mode of dwindling successively with diameter downwards forms under the situation of flow tube, and mortar shape ground corresponding with its shape forms to bury underground use the hole, and constructing becomes is more prone to.
According to the 2nd invention, make flow tube form the helical form of circle, ellipse, polygonal etc., heating agent is disperseed on a large scale underground, dispersion is adopted heat and subsurface temperature is recovered easily.In addition, flow tube is formed under the situation of polygonal etc. of oval, rectangle etc., can easily be embedded in the soil of narrow elongate.
According to the 3rd invention, fast because flow tube is a flat at the heat transfer rate that the pipe central portion flows to heating agent, further improve heat exchanger effectiveness.In addition, owing to be flat tube, bending machining can be processed into flow tube helical form, the shape etc. of crawling simply easily.
According to the 4th invention, flow tube is a pipe, and the cross section of tube wall forms wavyly, therefore, increases heat and passes area, can further improve the sinuous flow effect at the heating agent of internal flow, can improve heat exchanger effectiveness more.
According to the 5th invention, flow tube is a flat tube, and the major diameter side end of section is pointed, therefore, is easy to generate sinuous flow in the heating agent of internal flow, promotes to conduct heat by forced convertion, further improves heat exchanger effectiveness.
According to above invention, flow tube is attenuated and long tube is crawled at left and right directions, and, separate predetermined space and be configured to a pair of (two) flow tube as the shape that can induce heating agent downwards.Via the flow tube of this shape, make heating agent with respect to the geothermal heat flow counter-current flow, improve rate of heat exchange thus, and disperse on a large scale underground, bit by bit carry out heat exchange.Thus, can obtain heating agent is regulated the required geothermal flow of temperature, the geothermal flow of the per unit volume of capturing from underground is reduced.Usually, be that the subsurface temperature of 1m position is subjected to atmospheric effect easily to the degree of depth, low and summer in winter height.But heating agent can be gathered heat (during winter) or temperature difference that can heat release (during summer) is for underground, and therefore, subsurface temperature recovers easily, can carry out for a long time operation of air conditioner continuously.In addition,, can use the water of non-environmental-pollution misgivings also can not freeze, need not use the non freezing solution of high price as heating agent owing to can adopt heat continuously.
And flow tube is that heating agent crawls in inside and the shape that can flow downwards, has the retractility as spring, and is abundant to the durability of earthquake, can prevent heating agent leakage that breakage causes etc.On the other hand, get final product because flow tube has the effect of sending heating agent back to ground, can shorten length, the heat loss that produces with the heat exchange once more of underground is few, by improving rate of heat exchange, heat medium temperature is stablized.In addition, the burying underground of flow tube carried out shallow degree with the hole with common excavating equipments such as monobucket excavatoies and excavated just enough near the face of land, can realize shortening the excavation time, the minimizing expense.And, make two flow tubes mutually opposed and make both narrowed width, can easily in the soil of narrow elongate, bury underground thus.
According to above invention, when flow tube extends downwards, change the repetition that distance between a pair of flow tube is avoided pipe portion heat exchange area each other, do not have the ground of omission on a large scale to carry out heat exchange, realize the early recovery of subsurface temperature, can improve heat exchanger effectiveness.For example, distance between the two enlarges downwards under the situation that ground forms flow tube successively, when burying flow tube underground, piles up soil near both pars intermedias, becomes along the chevron of the shape of flow tube, can not destroy the shape of flow tube and buries underground.On the other hand, distance between the two forms under the situation of flow tube downwards successively with dwindling, cooperates its shape and makes to bury underground with the hole and form V groove shape, and construction is more prone to.
According to the 6th invention, use hydro-thermal source heat pump, air feed with till the air cooling or being heated to design temperature, is cooled off or heats with the heating agent of water coil, so that air feed usefulness air is near design temperature.Thus, the load of hydro-thermal source heat pump can be alleviated, the energy that is equivalent to alleviate load component can be saved.In addition,, with water coil cooling air feed air, do not need the running of hydro-thermal source heat pump, can expect to economize more the effect of the energy by only in cold air load less period.
And flow tube forms and makes thin and long pipe crawl and can guide the shape of heating agent downwards along left and right directions, separates predetermined space and is configured to a pair of flow tube.Past road pipeline via this shape makes heating agent carry out counter-current flow with respect to geothermal heat flow, improves heat exchanger effectiveness, and can disperse on a large scale underground, bit by bit carries out heat exchange.Thus, can obtain heating agent is regulated the required geothermal flow of temperature, can make from the geothermal flow of the underground per unit volume of capturing and reduce.
In addition, helically forms toward pipe portion of portion and easily processing, and because of spring structure has the retractility excellent in vibration resistance, and is abundant to the durability of earthquake, can prevent the heating agent leakage that caused by breakage etc.On the other hand, flow tube has the effect that makes heating agent return ground and gets final product, and can shorten length, and the heat loss that produces with underground heat exchange once again reduces, and by improving rate of heat exchange, heat medium temperature is stable thus.In addition, the burying underground of flow tube carried out shallow degree with the hole with common excavating equipments such as monobucket excavatoies and excavated and get final product near the face of land, the shortening excavation time, can realize the minimizing of expense.
According to the 7th invention, the condensed water wet water coil pipe with air feed side air heat exchanger produces particularly can increase the cooling effect in the water coil thus when cold air operation, can reduce the load of hydro-thermal source heat pump, can expect to save the effect of the energy.And, by utilizing condensed water, need not water supply installation, not waste.
According to the 8th invention, the pressure loss of water coil and air heat exchanger reduces and improves heat exchanger effectiveness, therefore can use small-sized fans, can realize reducing noise.Also can make water coil and air heat exchanger miniaturization, can realize the miniaturization of aircondition integral body.
According to the 9th invention, space, supply position etc. are corresponding with being provided with, and can freely select the position of air-feeding ventilator assembly and construction easily.In addition, do not use the variable air quantity system, therefore do not have the pressure loss, can realize the miniaturization of fan, and can realize low noiseization.
Description of drawings
Fig. 1 is the integrally-built oblique view of geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention;
Fig. 2 is the left side view of structure of the geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention;
Fig. 3 is the block diagram of the structure of the hydro-thermal source heat pump that uses in the geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention;
Fig. 4 is the figure of the partial structurtes of the hydro-thermal source heat pump that uses in the geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention;
Fig. 5 is the figure of cross sectional shape of the flow tube of expression present embodiment;
Fig. 6 is the figure of other shape of the flow tube of present embodiment;
Fig. 7 is that the winding form of the pattern ground expression flow tube that makes present embodiment is the figure of foursquare situation roughly;
Fig. 8 is that to make the winding form of the flow tube of present embodiment be the figure of rectangular situation in pattern ground expression;
Fig. 9 is that to make the winding form of the flow tube of present embodiment be the figure of oblong situation in pattern ground expression;
The figure of the shape of a pair of flow tube of Figure 10 pattern ground expression present embodiment.
The specific embodiment
Fig. 1 to Fig. 4 represents an embodiment of the geothermal utilization heat-pump type air-conditioner of embodiments of the present invention.Fig. 1 is the integrally-built oblique view of the geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention; Fig. 2 is the left side view of structure of the geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention.Fig. 3 is the block diagram of the structure of the hydro-thermal source heat pump 9 that uses in the geothermal utilization heat-pump type air-conditioner of pattern ground expression embodiments of the present invention; The figure of the partial structurtes of the hydro-thermal source heat pump 9 that uses in the geothermal utilization heat-pump type air-conditioner of Fig. 4 for pattern ground expression embodiments of the present invention.
The geothermal utilization heat-pump type air-conditioner of present embodiment, possess: subterranean heat exchanger 7, it is included near the face of land, and heating agent can form that spiral helicine pipe inside vortex shape descends and the plastic flow tube 1 that flows and make the heating agent of sending from flow tube 1 return the flow tube 2 on ground; Water coil 8 makes the heating agent water flowing of being regulated temperature by subterranean heat exchanger 7, and and air feed with carrying out heat exchange between the air; Compression hydro-thermal source heat pump 9 makes between heating agent water flowing and the circulation refrigerant and carries out heat exchange, and the air feed that has passed through water coil 8 is with carrying out heat exchange between air and the circulation refrigerant; And air-feeding ventilator assembly 14, directly or by pipeline link with the main body cover 13 that is provided with hydro-thermal source heat pump 9 and water coil 8, can control indivedual air quantity freely.The condensed water wet water coil pipe 8 that the air feed side air heat exchanger 4 of water heat source heat pump 9 produces constitutes any individual operation that can freely switch in water coil 8 and the hydro-thermal source heat pump 9 or both turn round in the lump.
Hydro-thermal source heat pump 9 possesses at least: air feed side air heat exchanger 4 and heat source side water heat exchanger 5, carry out different operations in the evaporization process of circulation refrigerant and condensation operation; The compressor 6 of compression cycle refrigerant; Make the mechanism of decompressor of expansion valve that the circulation refrigerant expands etc.; And the switching mechanism of valve etc., switch the evaporization process and the condensation operation of air feed side air heat exchanger 4 and heat source side water heat exchanger 5; Tubing can circulate refrigerant.Heat pump 9 pairs of circulation refrigerants in hydro-thermal source are with this reiteration of operations such as evaporation, compression, condensation, expansion, to air, heating agent of carrying out heat exchange with the circulation refrigerant etc., absorb heat in evaporization process, carry out heat release in the condensation operation.
Air feed side air heat exchanger 4 passes through heating agent condensation or vaporization cycle refrigerant by cooling of circulation refrigerant or heating air feed air in heat source side water heat exchanger 5.Heat source side water heat exchanger 5 for example is board-like heat exchanger.Heat-exchangers of the plate type is overlapping with a plurality of heat transfer plates, and heating agent and refrigerant cross flow one between heat transfer plate and heat transfer plate constitute and can carry out heat exchange mutually.Each heat-transfer pipe of air feed side air heat exchanger 4 and water coil 8 can be a round tube, preferably the few elliptical tube of the pressure loss.
And the configuration of water coil 8 and air feed side air heat exchanger 4 can freely change, for example, can be to the direction of ventilation reversing of position, also can be in direction of ventilation permutations overlappingly not.
On main body cover 13, be provided with the reflux gas inlet port, by pipeline etc. a plurality of air-feeding ventilator parts 14 grades that possess blow-off outlet being set is provided with, the indoor reflux gas that enters from the reflux gas inlet port, a side or both sides at water coil 8 or air feed side air heat exchanger 4 carry out adjustment, from blow-off outlet to indoor air feed.And, though not shown, air-feeding ventilator assembly 14 directly is attached on the main body cover 13, the fan 15 in the air-feeding ventilator assembly 14 is arranged in the main body cover 13, and setting, the structure of each parts are not particularly limited.
One of flow tube 1 and flow tube 2 usefulness are managed integrally formed or other pipeline are formed by connecting, for example being embedded in, the degree of depth is near the burying underground with in the hole 3 of excavating in the face of land of 3m position, flow tube 1 is connected with the gateway pipe arrangement of flow tube 2 with the water coil 8 and the heating agent of heat source side water heat exchanger 5, and the heating agent that carries out heat exchange between the underground circulates by pump, as the uses such as heat source water of air conditioner.And, do not limit and make water as heating agent, also can use salt solution or other various liquid.
Fig. 6 A and Fig. 6 B are the figure of other shape of the flow tube 1 of expression present embodiment.As shown in Figure 6A, flow tube 1 can be wound into downwards diameter reduction successively.Under this situation, bury the mortar shape that can form easy excavation with hole 3 underground.The flow tube 2 perpendicular internal side diameters that are located at flow tube 1 are also buried underground easily with hole 3 accommodates, and can realize excavating and burying underground rapidization of operation.Certainly, shown in Fig. 6 B, flow tube 1 can be wound into all is same diameter.
Fig. 7 A, Fig. 7 B, Fig. 7 C, Fig. 8 A, Fig. 8 B and Fig. 8 C are that the winding form of the flow tube 1 of pattern ground expression present embodiment is the figure of polygonal situation roughly.Fig. 7 A, Fig. 7 B, Fig. 7 C are that the winding form of pattern ground expression flow tube 1 is foursquare figure roughly.Fig. 7 A is that expression flow tube 1 in pattern ground enlarges the state that width is wound into square (quadrangle) downwards successively, Fig. 7 B be pattern ground expression flow tube 1 downwards successively reduced width be wound into foursquare state, Fig. 7 C is that all width of pattern ground expression flow tube are wound into foursquare state in the same manner.
Fig. 8 A, Fig. 8 B, Fig. 8 C are that the winding form of pattern ground expression flow tube 1 is rectangular figure.Fig. 8 A is that expression flow tube 1 in pattern ground is wound into the state that enlarges width downwards successively, Fig. 8 B is that expression flow tube 1 in pattern ground is wound into downwards the state of reduced width successively, and Fig. 8 C is that expression flow tube 1 in pattern ground is wound into the identical state of all width.So, each length of the linearity pipe portion of flow tube 1 does not limit especially, in addition except quadrangle, can be triangle, hexagon yet.
Fig. 9 A, Fig. 9 B, Fig. 9 C are that the winding form of the flow tube 1 of pattern ground expression present embodiment is the figure of oblong situation.Fig. 9 A is that expression flow tube 1 in pattern ground is wound into downwards the state of enlarged diameter successively, Fig. 9 B is that expression flow tube 1 in pattern ground is wound into downwards the state of diameter reduction successively, and Fig. 9 C is that expression flow tube 1 in pattern ground is wound into the identical state of all diameters.
And, by forming the shape shown in Fig. 8 A, Fig. 8 B, Fig. 8 C, Fig. 9 A, Fig. 9 B and Fig. 9 C, can make the groove shape of burying underground with the narrow width that is shaped as easy excavation in hole 3.In addition, the winding form of flow tube 1 is not limited to as the above embodiments, and the size of the winding number of flow tube 1 (progression), diameter (width) etc. is not particularly limited, and flow tube 1 can enlarge downwards or dwindle in whole or in part.
Figure 10 A, Figure 10 B, Figure 10 C are the figure of shape of a pair of flow tube 1,1 of pattern ground expression present embodiment.Shown in Figure 10 A, 10B and 10C, possess: separate the predetermined space configuration, the a pair of plastic flow tube 1,1 that heating agent can crawl in inside and flow downwards, and making the heating agent that comes out from a pair of flow tube 1,1 return the flow tube 2 on ground, other structure is identical with the situation that possesses above-mentioned spiral helicine flow tube 1.
The interval that Figure 10 A represents 1,1 of a pair of flow tube is condition of enlarged successively downwards, and Figure 10 B represents the situation that the interval of 1,1 of a pair of flow tube narrows down successively downwards, and the interval that Figure 10 C represents 1,1 of a pair of flow tube is identical situations all.Under the situation of Figure 10 A, when burying operation underground, in the space of seizing on both sides by the arms, make and bury soil underground and be piled into chevron, bury naturally medial surface underground along a pair of flow tube 1,1 by a pair of flow tube 1,1.Under the situation of Figure 10 B, can form the V-shaped groove that excavates easily with burying underground with hole 3, under the situation of Figure 10 C, will bury the groove shape that forms the narrow width of excavating easily with hole 3 underground.
And, the number that turns back (at the number that crawls of the heating agent of internal flow) of flow tube 1, the increase and decrease at the interval that flow tube is 1,1 does not limit especially.In addition, in the above-described embodiment, flow tube 1 formed to intersect in the other direction in the end of a plurality of parallel linearity pipe portions turn back, and make heating agent, but the length of linearity pipe portion, progression do not limit especially in internal flow.
Claims (13)
1. subterranean heat exchanger is embedded in undergroundly, makes between the heating agent of internal flow and soil and carries out heat exchange, it is characterized in that having:
Flow tube is for helical form, above-mentioned heating agent flow downwards in inside; And
Flow tube will be directed on the ground from the above-mentioned heating agent that this flow tube flows downwards,
Above-mentioned flow tube is wound into downwards enlarged diameter or diameter reduction successively.
2, subterranean heat exchanger as claimed in claim 1 is characterized in that, above-mentioned flow tube is wound into flat shape and is circle, polygonal or ellipse.
3, subterranean heat exchanger as claimed in claim 1 is characterized in that, above-mentioned flow tube is a flat tube.
4, subterranean heat exchanger as claimed in claim 1 is characterized in that, above-mentioned flow tube is a pipe, and the cross section of tube wall forms wavy.
5, subterranean heat exchanger as claimed in claim 3 is characterized in that, above-mentioned flow tube has pointed section at the long diameter side end in the cross section of flat tube.
6. geothermal utilization heat-pump type air-conditioner is characterized in that possessing:
As each described subterranean heat exchanger in the claim 1 to 5;
Water coil carries out heat exchange between the heating agent that has been carried out heat exchange by this subterranean heat exchanger and air feed are with air; And
Hydro-thermal source heat pump has: above-mentioned heating agent and the air feed side air heat exchanger that carries out heat exchange between the air feed that carries out the heat source side water heat exchanger of heat exchange between the circulation refrigerant of inner loop and passed through above-mentioned water coil is with air and circulation refrigerant.
7. geothermal utilization heat-pump type air-conditioner as claimed in claim 6 is characterized in that, the condensed water that produces with above-mentioned air feed side air heat exchanger comes wetting above-mentioned water coil.
8. geothermal utilization heat-pump type air-conditioner as claimed in claim 6 is characterized in that, the heat-transfer pipe that uses in above-mentioned air feed side air heat exchanger and above-mentioned water coil is elliptical tube.
9. geothermal utilization heat-pump type air-conditioner as claimed in claim 7 is characterized in that, the heat-transfer pipe that uses in above-mentioned air feed side air heat exchanger and above-mentioned water coil is elliptical tube.
10. geothermal utilization heat-pump type air-conditioner as claimed in claim 6 is characterized in that, on the main body cover that is provided with above-mentioned hydro-thermal source heat pump and above-mentioned water coil, has the air-feeding ventilator assembly that is communicated with by pipeline.
11. geothermal utilization heat-pump type air-conditioner as claimed in claim 7 is characterized in that, on the main body cover that is provided with above-mentioned hydro-thermal source heat pump and above-mentioned water coil, has the air-feeding ventilator assembly that is communicated with by pipeline.
12. geothermal utilization heat-pump type air-conditioner as claimed in claim 8 is characterized in that, on the main body cover that is provided with above-mentioned hydro-thermal source heat pump and above-mentioned water coil, has the air-feeding ventilator assembly that is communicated with by pipeline.
13. geothermal utilization heat-pump type air-conditioner as claimed in claim 9 is characterized in that, on the main body cover that is provided with above-mentioned hydro-thermal source heat pump and above-mentioned water coil, has the air-feeding ventilator assembly that is communicated with by pipeline.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005194106A JP4182961B2 (en) | 2005-07-01 | 2005-07-01 | Geothermal heat pump air conditioner |
| JP194106/2005 | 2005-07-01 | ||
| JP194107/2005 | 2005-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1892151A CN1892151A (en) | 2007-01-10 |
| CN100491869C true CN100491869C (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101186070A Active CN100491869C (en) | 2005-07-01 | 2005-10-31 | Geothermal heat exchanger and heat pump type air conditioner utilizing geothermal heat |
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| Country | Link |
|---|---|
| JP (1) | JP4182961B2 (en) |
| CN (1) | CN100491869C (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008005197U1 (en) * | 2008-04-15 | 2008-07-10 | Frei, Peter | ground collector |
| GB2468496B (en) * | 2009-03-10 | 2011-09-14 | Mark Brice | Percussion mole |
| JP2013155949A (en) * | 2012-01-31 | 2013-08-15 | Nakano Refrigerators Co Ltd | Refrigeration device |
| RU2538520C1 (en) * | 2013-07-15 | 2015-01-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования"Северо-Восточный федеральный университет имени М.К. Аммосова" | Natural conditioner |
| JP5584839B1 (en) * | 2014-02-19 | 2014-09-03 | 博明 上山 | Hybrid spiral pile with integrated underground heat collection function |
| CN104912068B (en) * | 2015-05-27 | 2016-08-03 | 黄光勤 | Improve the hollow round table screw type energy pilework of heat transfer efficiency |
| JP2017203573A (en) * | 2016-05-10 | 2017-11-16 | シャープ株式会社 | Air conditioner and method for installing auxiliary heat exchanger |
| CN106403098B (en) * | 2016-08-30 | 2019-02-12 | 湖南中大经纬地热开发科技有限公司 | Terrestrial heat utilization system based on earth surface water source and hot spring tail water |
| KR102131670B1 (en) * | 2018-02-09 | 2020-07-08 | 엘에스일렉트릭(주) | Container for power conversion system |
| CN109855220A (en) * | 2019-02-25 | 2019-06-07 | 冉东林 | A kind of system adjusting temperature |
| CN110243033B (en) * | 2019-05-13 | 2021-02-05 | 湖南达道新能源开发有限公司 | Geothermal air conditioner beneficial to heat exchange |
| KR102106733B1 (en) * | 2019-07-25 | 2020-05-04 | (주) 그린텍아이엔씨 | Water and sewage supervisory control and data acquisition control panel controling temperature with geothermy |
| CN111076269A (en) * | 2019-12-26 | 2020-04-28 | 河北博纳德能源科技有限公司 | Split type ground source heat pump system |
| CN111023626A (en) * | 2019-12-26 | 2020-04-17 | 河北博纳德能源科技有限公司 | Split type ground source heat pump frequency conversion unit device |
-
2005
- 2005-07-01 JP JP2005194106A patent/JP4182961B2/en active Active
- 2005-10-31 CN CNB2005101186070A patent/CN100491869C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007010275A (en) | 2007-01-18 |
| JP4182961B2 (en) | 2008-11-19 |
| CN1892151A (en) | 2007-01-10 |
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