CN106323042B - A kind of low temp heating piece - Google Patents
A kind of low temp heating piece Download PDFInfo
- Publication number
- CN106323042B CN106323042B CN201610827039.XA CN201610827039A CN106323042B CN 106323042 B CN106323042 B CN 106323042B CN 201610827039 A CN201610827039 A CN 201610827039A CN 106323042 B CN106323042 B CN 106323042B
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- Prior art keywords
- parallel channels
- plate
- fin
- heat exchanging
- exchanging structure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/124—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being formed of pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D2015/0225—Microheat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/06—Hollow fins; fins with internal circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
Abstract
The present invention relates to a kind of low temp heating pieces, more than one the parallel channels formula fin heat exchanging structure combined with plate thermotransport device and with the plate thermotransport device including one group, plate thermotransport device is the platy structure for carrying out heat exchange transmission in its interior microcapillary that there is two or more to be arranged side by side of the metal material through extrusion forming and each microcapillary by flow media, parallel channels formula fin heat exchanging structure is compound in the plate face of plate thermotransport device and parallel channels formula fin heat exchanging structure has several air convection channels being arranged side by side, parallel channels formula fin heat exchanging structure includes the sparse type fin heat exchanging structure of parallel channels formula.The present invention is by the plate thermotransport device enhanced heat exchange of specific structure and can carry out natural air heat convection as needed in the compound parallel channels formula fin heat exchanging structure of its plate face and forced air convection exchanges heat, improve heat exchange efficiency, realize effective heating function, have the advantages that low-temperature energy-saving, at low cost, non-maintaining, and can realize that precision management is energy saving.
Description
Technical field
The present invention relates to heating and ventilation project technical field, especially a kind of low temp heating piece.
Background technology
It is the natural convection with radiation heat transfer, i.e. passive heat radiation side that heating terminal room air, which exchanges heat a kind of, at present
Formula such as radiator, floor heating etc., one is the radiant heatings based on hyperthermia radiation, such as super bath, also belong to passive type, also
One is the forced convertion heating of fan coil pipe type, belong to active mode.Passive type and active heat collector have excellent lack at present
Point, but belong to completely self-contained system, it is mutually not general.
The supply water temperature of current natural convection radiator is all higher, radiator surface heat dissipation area, usually presses most
Unfavorable load designs heat exchange area, the result is that weather is good or the room of sunny side in temperature it is excessively high, it is difficult to adjust, not only waste
Mass energy, and it is uncomfortable.And low temp heating piece then uses plate heat exchanger, water route formed using welding manner, not only cost
High, complex process, and the internal heat of each fluid flowing path is not strengthened, heat exchange amount is restricted, thus corresponding external empty
The fin area of gas heat exchange is restricted, therefore plate heat exchanger appearance area in low temperature supplying hot water is big, and air flowing does not have
The runner of Relatively centralized, thus the active mode enhanced heat exchange of forced convertion can not be used.When heat engines such as use air source heat pumps
When heat source of hot water is provided, since the efficiency of heat engine is related with outside weather conditions under the conditions of given heating supply water temperature, knot
Fruit is that the heat extracted in outside air in the maximum cold snap air source heat pump of thermic load is reduced instead, caused by consequence
Be or net for air-source heat pump units power crossed and draws trolley in the big ox of most of time with i.e. so-called, cause great resource and
Energy waste or selected net for air-source heat pump units cannot meet the requirement of the big load such as cold snap, this is current sky
Air supply heat pump heating especially radiator end heating technology can not the inexpensive problem solved.
For air source heat pump, if suitably reducing heating supply water temperature, even if outside air temperature is low, the effect of air source heat pump
Rate can also greatly improve, and will propose new severe problem to heating terminal especially radiator heating at this time：Heating is unilateral
Product is excessive, and of high cost, area occupied is big, in addition, the temperature in the room of different directions is difficult to adjust, causes energy waste.For
Traditional radiator, since heating medium channel is using larger-diameter pipe, not only specific surface area is small, but also internal heat
Thermal resistance it is big, the coefficient of heat transfer is low, can not effectively expand outside fin heat exchange area, can only be solved by increasing tube side or flow velocity
Certainly this contradiction additionally consumes more pump work.
Invention content
The present invention is directed to traditional radiator causes the coefficient of heat transfer low and Conventional plate-type using larger diameter pipe surface area is small
Low temp heating piece device is of high cost and complex process can not also use the active mode enhanced heat exchange of forced convertion and traditional heating
The problems such as regulating power of piece air side heat exchange adaptation variable load is poor, provides a kind of low temp heating piece, passes through specific structure
Plate thermotransport device enhanced heat exchange and in the compound parallel channels formula fin heat exchanging structure of its plate face, the parallel channels of all round closure
There is formula fin heat exchanging structure special air convection channel can carry out natural air heat convection as needed, and further match
Forced air convection heat exchange is closed, can automatically adjust and select as needed convection model to improve heat exchange efficiency, is realized effective
Heating function, since air heat exchange area, heat convection and liquid in pipe fluid interchange are obtained for great raising outside pipe, because
This can realize heating under low supply water temperature, realize energy saving, at low cost, non-maintaining advantage, and can realize intelligent essence
Tubule reason is energy saving.
Technical scheme is as follows：
A kind of low temp heating piece, which is characterized in that including one group with plate thermotransport device and with the plate heat
More than one parallel channels formula fin heat exchanging structure that transport devices combine, the plate thermotransport device are metal material through squeezing
Have in more than two microcapillaries being arranged side by side and each microcapillary in its molded and heat exchange transmission is carried out by flow media
Platy structure, the equivalent diameter of the microcapillary is 3-10mm, and the both ends of the plate thermotransport device are separately connected heating
Flow media in water inlet line and heating outlet conduit and each microcapillary and the water phase in heating inlet and outlet pipe lines are logical or mutual
Physical isolation；The parallel channels formula fin heat exchanging structure is compound in the plate face of plate thermotransport device and the parallel channels formula
Fin heat exchanging structure has several air convection channels being arranged side by side, and the parallel channels formula fin heat exchanging structure includes parallel
The sparse type fin heat exchanging structure of channel-type, the sparse type fin heat exchanging structure of parallel channels formula is for all round closure and in sparse type
The structure of heat transfer free convection is carried out in the parallel channels that fin is formed.
The parallel channels formula fin heat exchanging structure further includes parallel channels formula intensity fin heat exchanging structure, described parallel
Channel-type intensity fin heat exchanging structure is to be forced by wind turbine with wind turbine and in the parallel channels that intensive fin is formed
The structure of heat convection, the sparse type fin heat exchanging structure of the parallel channels formula and parallel channels formula intensity fin heat exchanging structure
The direction of air convection channel be vertical direction.
The plate thermotransport device is parallel stream flat pipe, and the parallel stream flat pipe is vertically or horizontal direction is set
It sets, the parallel stream flat pipe is to be communicated with flowing with more than two concurrent flow microcapillaries and each concurrent flow microcapillary both ends to be situated between
The plate pipeline of matter, the parallel stream flat pipe be provided with the water inlet communicated with heater inlet pipe road and with heating outlet conduit
The water outlet communicated.
The plate thermotransport device is micro heat pipe array plate, and the micro heat pipe array plate is vertically arranged, each micro-
Tubule is respectively formed independently operated micro heat pipe, and the micro heat pipe array plate is to be arranged side by side with two or more and independently operated
Heater inlet pipe road and heating outlet conduit are inserted into the both ends of the platy structure of micro heat pipe array, the micro heat pipe array plate respectively
And the flow media in each micro heat pipe array is mutually physically isolated with the water phase in heating inlet and outlet pipe lines.
The sparse type fin heat exchanging structure of parallel channels formula fits in the side plate face of plate thermotransport device, parallel logical
Road formula intensity fin heat exchanging structure fits in another lateral plates of plate thermotransport device, the parallel channels formula intensity wing
The quantity ratio of piece heat exchange structure and the sparse type fin heat exchanging structure of the parallel channels formula is 1/19-1/3.
The sparse type fin heat exchanging structure of the parallel channels formula and parallel channels formula intensity fin heat exchanging structure are compound
It is arranged in double-deck in the side plate face of plate thermotransport device, a channel of the parallel channels formula intensity fin heat exchanging structure
Face paste is together in the side plate face of plate thermotransport device, opposite another logical of the parallel channels formula intensity fin heat exchanging structure
Road face paste closes the sparse type fin heat exchanging structure of parallel channels formula.
It is defeated that the sparse type fin heat exchanging structure of parallel channels formula uses the more than two and double-deck setting to fit in plate heat
Transport the side plate face of device, another lateral plates fitting parallel channels formula intensity fin heat exchange knot of the plate thermotransport device
Structure is bonded parallel channels formula intensity fin heat exchanging structure and the sparse type fin heat exchanging structure of another group of parallel channels formula successively.
In the parallel channels formula intensity fin heat exchanging structure, the wind turbine is set to the flat of intensive fin formation
On the outside of the stage casing of row of channels；
Or, the wind turbine is set to the end for the parallel channels that intensive fin is formed, it is provided with the described of wind turbine at this time
The end seals for the parallel channels that intensive fin is formed.
The spacing of fin of the sparse type fin heat exchanging structure of parallel channels formula is 10mm -30mm to be suitble to 500mm--
The natural air heat convection and smokestack effect of aerostatic buoyancy driving in the fin channels of 2000mm high, the parallel channels formula
The spacing of fin of intensive fin heat exchanging structure is 3mm -10mm to be suitble to the forced air convection of small-sized wind turbine driving to change
Heat；
And/or micro- fin of enhanced heat exchange, institute are provided on the internal face of the microcapillary in the plate thermotransport device
State micro- fin height be more than microcapillary boundary layer thickness.
The air pair in parallel channels that the intensive fin of the parallel channels formula intensity fin heat exchanging structure is formed
For flow resistance power within 20Pa, the wind turbine uses small-sized fan of the power within 5W；
And/or the parallel channels that the sparse type fin of the sparse type fin heat exchanging structure of parallel channels formula is formed are along plate
The plate length direction subsection setup of shape thermotransport device, between the parallel channels that each section of sparse type fin is formed setting distributing damper with
Enhance heat exchange property；
And/or when heating supply water temperature and indoor temperature difference are in 20 DEG C ± 2 DEG C of Low Temperature Difference heat supply, the low temperature is warm
The heat dissipation capacity of the unit apparent area of gas piece>800W/m2。
The technique effect of the present invention is as follows：
The present invention relates to the plate thermotransport devices and and plate of a kind of novel low temp heating piece, including specific structure
The both ends of the parallel channels formula fin heat exchanging structure that thermotransport device combines, plate thermotransport device connect heating inlet and outlet pipe lines
And the flow media in plate thermotransport device leads to the water phase in heating inlet and outlet pipe lines or is mutually physically isolated so that heating
The water of water inlet line is discharged after plate thermotransport device enhanced heat exchange through heating outlet conduit, coordinates in plate thermotransport device
The compound parallel channels formula fin heat exchanging structure of plate face cooperate, by parallel in parallel channels formula fin heat exchanging structure
The sparse type fin heat exchanging structure of channel-type carries out natural air heat convection, and further preferably passes through parallel channels as needed
Formula intensity fin heat exchanging structure carries out forced air convection heat exchange, and low temp heating piece of the present invention in this way can be in most of time
Normal load conditions under by natural convection air drive energy saver mode run, realize energy-saving heating, that is to say, that just
When normal loading condiction work, heat exchange and surface emissivity is driven to realize indoor heating using motorless natural convection air；It is opening
Dynamic initial stage, external interference, hot humidity load are more than under normal condition, are strengthened in the way of starting fan driving forced convertion driving
Heat exchange and dehumidifying, can meet heat exchange load the temperature difference even if between indoor air temperature and supply water temperature is relatively low, and because
Heating supply water temperature can be significantly reduced to realize the substantially energy saving of operation.The microcapillary of plate thermotransport device is set
Equivalent diameter is 3-10mm, can enhance the water of the flow media and heater inlet pipe road in plate thermotransport device in this way
Heat exchange surface area simultaneously matches with external compound parallel channels formula fin heat exchanging structure, improves thermotransport efficiency.Solution of the present invention
Enhanced heat exchange problem in the liquid line that conventional termination of having determined cannot achieve, pole is matched from principle outside unit tube surface area
The compound parallel channels formula fin heat exchanging structure (or being air heat-exchange fin) of large area, while solving the nature outside pipe
The contradiction of convection current and combination drive, can according to different loading condictions, realize it is energy saving to greatest extent, and can be substantially
Heat supply temperature is reduced, realizes the substantially energy saving of system, heating supply water temperature is under conditions of 30--38 DEG C, even if the table of radiator
It is suitable with traditional radiator to see size, also can guarantee normal heating.The heating end that the present invention designs --- low temp heating piece is adopted
It is designed with the unique mechanisms of plate thermotransport device and parallel channels formula fin heat exchanging structure, the plate heat of specific platy structure is defeated
It transports device and carries out Heat transmission and enhanced heat exchange, then association is fitted closely by compound parallel channels formula fin heat exchanging structure and the two
With work, the contact of area as big as possible between the two exchanges heat, and improves heat exchange contact area, carries out high heat transfer,
High heat flux density is uniformly distributed, indoor air temperature (low temp heating piece is arranged indoors) is quickly improved, radiating efficiency is high, ties
Structure is compact, noiseless, without transmission parts and low energy consumption, under stable, normal working condition, pass through what free convection drove
Passive heat radiation can meet energy-saving heating requirement, therefore can meet 50- under the conditions of the passive heat radiation of free convection driving
The energy-saving heating requirement of 80% normal heating time, it is logical to impose a condition with indoor temperature under cold, extreme weather conditions
It crosses control system and automatically controls unlatching small-power, extremely low noise wind turbine progress forced heat-exchanging, heat transfer free convection can be supplemented
Insufficient part, it is particularly possible to by reducing heating supply water temperature so as to greatly improve efficiency of heat engine, solve cold snap
Air source heat pump is difficult to meet the technical barrier of heating requirement, can additionally be adjusted in a manner of traditional frequency conversion and manually by replacing completely
The energy-saving run that the mode of valve carries out, it is not only at low cost, non-maintaining, the control of different temperatures can also be carried out to each room
System realizes that precision management is energy saving, and can greatly save traditional heating system energy consumption, and with fabulous safe and reliable
Property, also have many advantages, such as that thermotransport is fast, heat exchange efficiency is high, highly reliable, at low cost, non-maintaining.Low temperature of the present invention is warm
Gas piece can also greatly improve the efficiency of solar energy utilization of solar heat water warm, be the important technology of various cleaning heating and energy savings
Means.
It is parallel stream flat pipe to be preferably provided with plate thermotransport device, the flow media at the both ends of parallel stream flat pipe respectively with it is warm
Gas inlet and outlet pipe lines communicate, i.e., the flow media at the both ends of parallel stream flat pipe is logical with the water phase in heating inlet and outlet pipe lines respectively,
In application, parallel stream flat pipe is vertically or horizontally arranged, and parallel stream flat pipe is connected to the heat source in heater inlet pipe road,
By compound parallel channels formula fin heat exchanging structure and room air heat exchange to which heating indoor air reaches heating purpose.It is special
Determining concurrent flow flat tube configuration can realize and maximum being bonded of parallel channels formula fin heat exchanging structure, cooperation natural air
Heat convection and forced air convection heat exchange, improve heat exchange efficiency, further function as the energy-efficient effect of hybrid-driven.
It is micro heat pipe array plate to be preferably provided with plate thermotransport device, and each microcapillary is respectively formed independently operated micro heat pipe certainly
Heat pipe effect is so formed, micro heat pipe array plate is vertically arranged, and heating water inlet is inserted at the both ends of micro heat pipe array plate respectively
Pipeline and heating outlet conduit, micro heat pipe array plate are exchanged heat by parallel channels formula fin heat exchanging structure with room air,
To distribute the energy for the heat source being connected in heater inlet pipe road through micro heat pipe array plate, it is connected to by heater inlet pipe road
Heat source and micro heat pipe array plate carry out heat exchange and carry out heating indoor air, achieve the effect that indoor heating, that is to say, that answering
Used time is that the condensation segment of micro heat pipe array plate absorbs the cold of cold air inside by parallel channels formula fin heat exchanging structure and passes through
The heat of heat source in the heater inlet pipe road of evaporator section contact realizes energy-saving heating to heat the air passed through.The low-grade fever of the structure
Pipe array board manufacture craft is simple, has the advantages that heat transfer efficiency is high, at the same micro heat pipe array plate have bigger heat-absorbent surface/
Heat delivery surface, cooperation parallel channels formula fin heat exchanging structure can further increase absorption heat-exchange efficiency.The micro heat pipe array of use
Plate is arranged side by side with two or more and independently operated micro heat pipe array, and heat pipe effect can independently occur in each micro heat pipe,
Other micro heat pipe normal works will not be influenced the damage of a certain micro heat pipe, meanwhile, micro heat pipe array can cooperate with simultaneously
Work, significantly improves heat exchange efficiency；In addition, micro- wing of augmentation of heat transfer can also be further provided in each micro heat pipe (to be formed
Capillary slot) or indent microflute so that no matter the heat-sinking capability of the unit steam circulation of evaporator section or condensation segment obtains pole
It is big to strengthen, with the heat-transfer effect that conventional heat pipe is incomparable.It is exchanged heat using hybrid cross-ventilation and coordinates heat pipe effect phase transformation
Interior, can be reached ideal heating temperature by the mode of heat exchange within a short period of time, and heat transfer efficiency height, good heating effect are easy to
Wide popularization and application.
Description of the drawings
Fig. 1 a, 1b, 1c are respectively stereogram, front view and the vertical view of the first preferred structure of low temp heating piece of the present invention
Figure.
Fig. 2 is the preferred structure schematic diagram of the plate thermotransport device of low temp heating piece of the present invention.
Fig. 3 is the preferred cross-sections structural schematic diagram of plate thermotransport device shown in Fig. 2.
Fig. 4 is the schematic diagram of second of preferred structure of low temp heating piece of the present invention.
Fig. 5 a and 5b are respectively the parallel channels formula in the parallel channels formula fin heat exchanging structure of low temp heating piece of the present invention
The schematic diagram of sparse type fin heat exchanging structure and parallel channels formula intensity fin heat exchanging structure.
Fig. 6 is the vertical view of the third preferred structure of low temp heating piece of the present invention.
Fig. 7 a and 7b are respectively the stereogram and vertical view of the 4th kind of preferred structure of low temp heating piece of the present invention.
Fig. 8 is the partial schematic diagram of the 5th kind of preferred structure of low temp heating piece of the present invention.
Each label lists as follows in figure：
1- plate thermotransport devices；The sparse type fin heat exchanging structure of 2- parallel channels formulas；3- parallel channels formula is intensive
Fin heat exchanging structure；4- wind turbines；5- heater inlet pipes road；6- heating outlet conduits；7- water inlets；8- water outlets；9-
Micro- fin；10- distributing dampers.
Specific implementation mode
The present invention will be described below in conjunction with the accompanying drawings.
The present invention relates to a kind of low temp heating pieces, the stereogram, front view as described in Fig. 1 a, 1b, 1c and vertical view, including
Plate thermotransport device 1 and parallel channels formula fin heat exchanging structure, plate thermotransport device 1 are metal material through extrusion forming
There is the plate knot for carrying out heat exchange transmission in more than two microcapillaries being arranged side by side and each microcapillary by flow media in it
Structure, the equivalent diameter of microcapillary are 3-10mm, preferably 4-6mm, the both ends of plate thermotransport device 1 be separately connected heating into
Flow media in waterpipe 5 and heating outlet conduit 6 and each microcapillary and the water phase in heating inlet and outlet pipe lines are logical or mutual
Physical isolation；Parallel channels formula fin heat exchanging structure is compound in the plate face of plate thermotransport device 1 and parallel channels formula fin changes
Heat structure has the air convection channel being arranged side by side that several plate length directions along plate thermotransport device 1 are sequentially arranged, and puts down
Row of channels formula fin heat exchanging structure includes that the sparse type fin heat exchanging structure 2 of parallel channels formula and parallel channels formula intensity fin change
Heat structure 3, the sparse type fin heat exchanging structure 2 of parallel channels formula is for all round closure and in the parallel channels that sparse type fin is formed
The structure of heat transfer free convection is carried out, in other words, the air convection channel of the sparse type fin heat exchanging structure of parallel channels formula 2 is
Alternatively referred to as it is the sparse type fin channels of natural air heat convection for the parallel channels that sparse type fin is formed；It is parallel logical
Road formula intensity fin heat exchanging structure 3 be with wind turbine 4 and intensive fin formed parallel channels in pass through wind turbine semi-finals system
The structure of heat convection, in other words, the air convection channel of parallel channels formula intensity fin heat exchanging structure 3 is intensity
The parallel channels that fin is formed, are alternatively referred to as the intensive fin channels to be exchanged heat by wind turbine forced air convection；Wind turbine 4 by
Control system drives and faces intensive fin channels setting.Under stable, normal working condition, pass through motorless sky
The passive heat radiation of gas free convection driving can meet indoor heating requirement, and temperature sensor and wet is provided in control system
The devices such as sensor are spent, indoor temperature and humidity etc. are monitored, are started when monitoring indoor temperature less than set temperature
Wind turbine starts wind turbine when monitoring indoor humidity higher than setting humidity, with indoor temperature is setting under cold, extreme condition
Condition is automatically controlled by control system and opens small-power, extremely low noise wind turbine carries out forced heat-exchanging and dehumidifying, can be supplemented
It is negative to meet heat exchange for the insufficient part of heat transfer free convection the temperature difference even if between indoor air temperature and supply water temperature is relatively low
Lotus, while realizing energy saving in running.Preferably, low temp heating piece of the invention can normally heat in 30-45 DEG C of supply water temperature,
Wherein 38 DEG C of supply water temperature -- it is heated using free convection at 45 DEG C, 30 DEG C -38 DEG C are mixed using free convections with forced convertion
Heating.
Preferably, plate thermotransport device is parallel stream flat pipe, which can vertically or level side
To setting, parallel stream flat pipe be disposal molding there are more than two concurrent flow microcapillaries and each concurrent flow microcapillary both ends are equal
It is communicated with the plate pipeline of flow media, as shown in Fig. 2, parallel stream flat pipe is provided with the water inlet communicated with heater inlet pipe road 5
The flow media of mouth 7 and the water outlet 8 communicated with heating outlet conduit 6, the both ends of parallel stream flat pipe is passed in and out with heating respectively
Water phase in waterpipe is logical.The key point of low temp heating piece design of the present invention also preferably relates to as follows：The inside of parallel stream flat pipe
Enhanced heat exchange and its Low Temperature Difference heat exchange amount and external compound parallel channels formula fin heat exchanging structure large area fin and and air
The heat exchange amount of the big temperature difference need to match；Heat transfer free convection amount matches with normal heating load；Forced-convection heat transfer amount with
External disturbance load is flux matched.Preferably, it is more than two rectangular parallel holes (i.e. section of microcapillary in plate thermotransport device
Shape is rectangle), the hydraulic diameter of parallel hole is 3mm -10mm, should ensure that microcapillary inner wall surface area is sufficiently large to strengthen
The heat exchange of hydraulic fluid side, and ensure that flow resistance is relatively small and is not easy to plug.It is further preferred that in plate thermotransport device
Micro- fin 9 of enhanced heat exchange is provided on the internal face of microcapillary, as shown in figure 3, the height of micro- fin 9 is more than the side of microcapillary
The thickness of interlayer, micro- fin 9 play the role of further enhanced heat exchange.1 (the parallel stream flat of plate thermotransport device in application
Pipe) connection heater inlet pipe road 5 heat source, by compound parallel channels formula fin heat exchanging structure and room air heat exchange to
Heating indoor air reaches heating purpose, and the water in heater inlet pipe road is after parallel stream flat pipe exchanges heat by heating outlet conduit stream
Go out.When heating supply water temperature and indoor temperature difference are in 20 DEG C ± 2 DEG C of Low Temperature Difference heat supply, the unit table of the low temp heating piece
See the heat dissipation capacity of area>800W/m2.Specific parallel stream flat pipe structure can be realized with parallel channels formula fin heat exchanging structure most
The fitting of big degree, the solderable connection of the two coordinate natural air heat convection and forced air convection heat exchange, improve heat exchange
Efficiency further functions as the energy-efficient effect of hybrid-driven.Lead to liquid medium --- the water of heat supply in parallel stream flat pipe, it is parallel logical
There is road formula fin heat exchanging structure air convection channel, which also to be understood as, is parallel flowing plate and is the parallel flowing plate for leading to room air,
The air convection channel of parallel stream flat pipe and parallel channels formula fin heat exchanging structure is bonded to each other and has parallel channels, i.e. liquid
Medium channel and air duct pass through parallel stream flat pipe and parallel channels formula fin heat exchanging structure between liquid medium and air
The heat conduction of all inside and outside walls of air convection channel and fluid convection carry out heat exchange.
Fig. 4 is the schematic diagram of second of preferred structure of low temp heating piece of the present invention, the plate thermotransport in the embodiment
Device uses micro heat pipe array plate, i.e., each microcapillary to be respectively formed independently operated micro heat pipe, and micro heat pipe array plate is vertically
Setting, micro heat pipe array plate are to be arranged side by side and the platy structure of independently operated micro heat pipe array with two or more, low-grade fever
Heater inlet pipe road 5 and heating outlet conduit 6 and after such insertion welded seal, each micro heat pipe are inserted into the both ends of pipe array board respectively
Flow media in array is mutually physically isolated with the water phase in heating inlet and outlet pipe lines.In heating as shown in figure 4, heating is intake
Pipeline 5 is located at lower section, is connected to heat source in underlying heater inlet pipe road 5, the evaporator section of micro heat pipe array plate is inserted at this time
In heater inlet pipe road 5, the heating outlet conduit 6 for being now placed in top is idle, and the condensation segment of micro heat pipe array plate leads to parallel
The fitting of road formula fin heat exchanging structure, the condensation segment of micro heat pipe array plate pass through cold in parallel channels formula fin heat exchanging structure absorption chamber
The heat of air cold and the heat source in the heater inlet pipe road contacted by evaporator section heats the air passed through.According to heating
Actual demand can control heating outlet conduit by valve and be in idle condition.That is, micro heat pipe array plate pass through it is parallel
Channel-type fin heat exchanging structure exchanges heat with room air, by the energy for the heat source being connected in heater inlet pipe road through low-grade fever
Pipe array board distributes, and the heat source being connected to by heater inlet pipe road carries out heat exchange to heat interior with micro heat pipe array plate
Air achievees the effect that indoor energy-saving heating.
Parallel channels formula fin heat exchanging structure in the plate thermotransport device of low temp heating piece of the present invention includes parallel logical
The sparse type fin heat exchanging structure 2 of road formula and parallel channels formula intensity fin heat exchanging structure 3, the sparse type fin of parallel channels formula change
Heat structure 2 and parallel channels formula intensity fin heat exchanging structure 3 be construed as all having horizontal plate face as binding face to
It is bonded with the platen surface of plate thermotransport device, the sparse type fin heat exchanging structure 2 of parallel channels formula and parallel channels formula are intensive
3 all round closure of fin heat exchanging structure and both ends perforation, i.e. the both ends perforation of air convection channel, therefore the section of air convection channel
For four side types.The structure of the sparse type fin heat exchanging structure of parallel channels formula 2 is as shown in Figure 5 a, and the sparse type fin of parallel channels formula changes
The air convection channel of heat structure 2 is the sparse type fin channels of natural air heat convection, and it is dilute to be preferably provided with parallel channels formula
The spacing of fin of the type of dredging fin heat exchanging structure 2 is 10mm -30mm to be suitble to the sky in the fin channels of 500mm--2000mm high
The natural air heat convection of air supporting power drive and smokestack effect, if spacing is 10mm -30mm along parallel stream flat length of tube side
To the sparse type fin channels of arrangement.The structure of parallel channels formula intensity fin heat exchanging structure is as shown in Figure 5 b, parallel channels
The air convection channel of formula intensity fin heat exchanging structure 3 is that the close of forced air convection heat exchange (is not drawn into) in figure by wind turbine
Collection type fin channels, the spacing of fin for being preferably provided with parallel channels formula intensity fin heat exchanging structure 3 are 3mm -10mm to be suitble to
Smallest wind turbine driving forced air convection heat exchange, as spacing be 3mm -10mm along parallel stream flat pipe length direction cloth
The intensive fin channels set, the cross-ventilation in the intensive fin channels of parallel channels formula intensity fin heat exchanging structure 3
Resistance within 20Pa, wind turbine by control system drive and be arranged at intensive fin channels, the power of wind turbine within 5W,
It is preferred that within 2W, wind turbine is preferably small-sized axial flow fan.The outlet mainstream wind direction of wind turbine is either along intensive fin air duct
Direction, or blown out perpendicular to intensive fin air channel, when fan operation, forced convertion caused by wind turbine only occurs
In intensive fin air duct, when wind turbine stops, embodiment as shown in Figure 1a, the heat in parallel stream flat pipe passes through described close
Fin heat conduction in collection type fin channels realizes normal heat exchange to sparse type fin air duct and by natural convection air.
Fig. 6 is the vertical view of the third preferred structure of low temp heating piece of the present invention, the embodiment parallel channels formula fin
The sparse type fin heat exchanging structure of the parallel channels formula of heat exchange structure 2 fits in the side plate face of plate thermotransport device 1, parallel logical
Road formula intensity fin heat exchanging structure 3 fits in another lateral plates of plate thermotransport device 1, and wind turbine 4 is arranged in parallel channels
The side of formula intensity fin heat exchanging structure 3 and the forced air convection driven so as to wind turbine 4 in face of intensive fin channels
Heat exchange.The parallel channels formula intensity fin heat exchanging structure of each low temp heating piece setting and the parallel channels formula are sparse
The quantity of type fin heat exchanging structure can select to be arranged according to actual needs, for example, both quantity than may range from 0-1/
3 or 1/19-1/3, optimal number than ranging from 1/7-1/5.That is, when quantity ratio is 0, i.e., only it is arranged parallel
The sparse type fin heat exchanging structure of channel-type, without parallel channels formula intensity fin heat exchanging structure is arranged.It is flat when being arranged simultaneously
When row of channels formula intensity fin heat exchanging structure and the sparse type fin heat exchanging structure of parallel channels formula, parallel channels formula intensity wing
The quantity of piece heat exchange structure is less than the quantity of the sparse type fin heat exchanging structure of parallel channels formula.
For low temp heating piece of the present invention, plate thermotransport device may be used one group, two groups, or more group,
One group or more integrally formed plate thermotransport device, every group of plate thermotransport device is preferably used to be combined with parallel channels
Formula fin heat exchanging structure, the parallel channels formula fin heat exchanging structure that every group of plate thermotransport device combines can also be one, two
A, or more, it is designed according to actual size and demand.The both sides of plate thermotransport device 1 can all compound one with
The sparse type fin heat exchanging structure of upper parallel channels formula 2 (can referred to as sparse type fin channels structure 2), to enhance natural air pair
The heat exchange amount of stream；The both sides of plate thermotransport device 1 can also all compound more than one parallel channels formula intensity fin change
Heat structure 3 (can referred to as intensive fin channels structure 3), to enhance the heat exchange amount of forced air convection.Sparse type fin is logical
The side plate face that the more than two and double-deck setting fits in plate thermotransport device 1, plate thermotransport device may be used in road structure 2
Another lateral plates of part 1 can be bonded intensive fin channels structure 3 or can be bonded intensive fin channels structure 3 successively
With another group of sparse type fin channels structure 1.Such as Fig. 1 a, 1b, 1c illustrated embodiment, three groups of sparse type fin channels knots are used altogether
The side plate face paste of structure 2 and one group of intensity fin channels structure 3, plate thermotransport device 1 closes two layers of sparse type fin channels
Another lateral plates of structure 2, plate thermotransport device 1 are also bonded double-layer structure --- it is bonded intensive fin channels knot successively
Structure 3 and sparse type fin channels structure 2.4th kind of preferred knot of low temp heating piece of the present invention that can also be as illustrated in figs. 7 a and 7b
The stereogram and vertical view of structure use two groups of sparse type fin channels structures 2 and two groups of intensity fin channels structures 3, plate altogether
The side plate face paste of shape thermotransport device 1 closes two layers of sparse type fin channels structure 2, another side plate of plate thermotransport device 1
Face paste closes two layers of intensive fin channels structure 3, and wind turbine 4 is arranged in the outside of intensive fin channels structure 3 and in face of close
Collection type fin channels.
Certainly, the sparse type fin heat exchanging structure 2 of parallel channels formula and parallel channels formula intensity fin heat exchanging structure 3 be (i.e.
Sparse type fin channels structure 2 and intensive fin channels structure 3) it can also be compound in the side of plate thermotransport device 1
Plate face is arranged in double-deck, and plate thermotransport device 1 is bonded intensive fin channels structure 3 and sparse type fin channels structure successively
2, specifically, a surface channel of intensive fin channels structure 3 fits in the side plate face of plate thermotransport device 1, it is intensive
The opposite another surface channel of fin channels structure 3 is bonded the sparse type fin channels structure 3, and wind turbine 4 is arranged in sparse type wing
Between the fin of piece channel design 2 and in face of the intensive fin channels of intensive fin channels structure 3.
As shown in Fig. 1 a, 1b and Fig. 7 a, wind turbine 4 is set on the outside of the stage casing for the parallel channels that intensive fin is formed, wind
From intensive fin channels, (cross-ventilation of the parallel channels that intensive fin is formed, i.e. intensity fin channels structure 3 is logical
Road) both ends be blown into, so as to pressure balance, improve forced air convection heat exchange efficiency.Certainly, wind turbine can also be set to other
Wind turbine is such as set to the end set (such as upper end or lower end) for the parallel channels that intensive fin is formed, is arranged at this time by position
Have an end seals for the parallel channels that the intensive fin of wind turbine formed, so wind from intensive fin channels (i.e.
The air convection channel of intensive fin channels structure 3) the other end be blown into, with ensure forced air convection heat exchange effect.
The air convection channel of parallel channels formula fin heat exchanging structure along plate thermotransport device 1 plate length direction arrange,
When plate length is long (parallel stream flat pipe or micro heat pipe array plate of long size), to improve the heat exchange of air convection channel,
The sparse type fin heat exchanging structure of multigroup parallel channels formula 2, Duo Zuping can be set along the long section gap of plate of plate thermotransport device 1
(or perhaps between each section of sparse type fin channels) setting distributing damper 10 between the sparse type fin heat exchanging structure of row of channels formula 2
To enhance heat exchange property, the partial schematic diagram of the 5th kind of preferred structure as shown in Figure 8, in this way in first segment (or perhaps the
One group) cross-ventilations of the sparse type fin channels of the sparse type fin heat exchanging structure of parallel channels formula 2 is out to distributing damper 10
Side, the sparse type fin channels of the sparse type fin heat exchanging structure of second segment (or perhaps second group) parallel channels formula 2
Cross-ventilation is reentered from the other side of distributing damper 10, and then improves air convection efficiency, enhances heat exchange property.
It should be pointed out that specific implementation mode described above can make those skilled in the art that the present invention be more fully understood
It creates, but do not limit the invention in any way is created.Therefore, although this specification creates the present invention with reference to drawings and examples
It makes and has been carried out detailed description, it will be understood by those skilled in the art, however, that still can modify to the invention
Either equivalent replacement also or deformation, parallel channels formula fin heat exchanging structure is removed using as described in embodiment in low temp heating piece
Outside complex method, it can also use in the side of plate thermotransport device or bilateral plate face in single layer, bilayer or multilayer composite square
Formula, as long as operation principle meets the requirement of technical solution of the present invention.In short, all do not depart from the invention spirit and
The technical solution of range and its improvement should all be covered in the protection domain of the invention patent.
Claims (8)
1. a kind of low temp heating piece, which is characterized in that defeated with plate thermotransport device and with the plate heat including one group
More than one parallel channels formula fin heat exchanging structure that device combines is transported, the plate thermotransport device is metal material through squeezing
Heat exchange transmission is carried out by flow media in its molding interior microcapillary that there is two or more to be arranged side by side and each microcapillary
Platy structure, the equivalent diameter of the microcapillary are 3-10mm, the both ends of the plate thermotransport device be separately connected heating into
Flow media in waterpipe and heating outlet conduit and each microcapillary leads to the water phase in heating inlet and outlet pipe lines or mutual object
Reason isolation；The parallel channels formula fin heat exchanging structure is compound in the plate face of plate thermotransport device and the parallel channels formula wing
It includes parallel logical that piece heat exchange structure, which has several air convection channels being arranged side by side, the parallel channels formula fin heat exchanging structure,
The sparse type fin heat exchanging structure of road formula, the sparse type fin heat exchanging structure of parallel channels formula is for all round closure and in sparse type wing
The structure of heat transfer free convection is carried out in the parallel channels that piece is formed, the parallel channels formula fin heat exchanging structure further includes parallel
Channel-type intensity fin heat exchanging structure, the parallel channels formula intensity fin heat exchanging structure are with wind turbine and in intensity
Pass through the structure of wind turbine forced-convection heat transfer, the sparse type fin heat exchange knot of parallel channels formula in the parallel channels that fin is formed
The direction of the air convection channel of structure and parallel channels formula intensity fin heat exchanging structure is vertical direction；
In the parallel channels formula intensity fin heat exchanging structure, the wind turbine is set to the parallel logical of intensive fin formation
On the outside of the stage casing in road；Or, the wind turbine is set to the end for the parallel channels that intensive fin is formed, it is provided with wind turbine at this time
The end seals for the parallel channels that the intensity fin is formed.
2. low temp heating piece according to claim 1, which is characterized in that the plate thermotransport device is parallel stream flat
Pipe, the parallel stream flat pipe is vertically or horizontally arranged, and the parallel stream flat pipe is with more than two concurrent flows
Microcapillary and each concurrent flow microcapillary both ends are communicated with the plate pipeline of flow media, and the parallel stream flat pipe is provided with and warms up
The water inlet that gas water inlet line communicates and the water outlet communicated with heating outlet conduit.
3. low temp heating piece according to claim 1, which is characterized in that the plate thermotransport device is micro heat pipe array
Plate, the micro heat pipe array plate are vertically arranged, and each microcapillary is respectively formed independently operated micro heat pipe, the micro heat pipe battle array
Strake is to be arranged side by side and the platy structure of independently operated micro heat pipe array with two or more, the micro heat pipe array plate
Flow media and heating Inlet and outlet water in heater inlet pipe road and heating outlet conduit and each micro heat pipe array are inserted into both ends respectively
Water phase in pipeline is mutually physically isolated.
4. the low temp heating piece according to one of claims 1 to 3, which is characterized in that the sparse type wing of parallel channels formula
Piece heat exchange structure fits in the side plate face of plate thermotransport device, and parallel channels formula intensity fin heat exchanging structure fits in plate
Another lateral plates of shape thermotransport device, the parallel channels formula intensity fin heat exchanging structure and the parallel channels formula are sparse
The quantity ratio of type fin heat exchanging structure is 1/19-1/3.
5. the low temp heating piece according to one of claims 1 to 3, which is characterized in that the sparse type wing of parallel channels formula
Piece heat exchange structure and parallel channels formula intensity fin heat exchanging structure are compound in the side plate face of plate thermotransport device in double
Layer setting, a surface channel of the parallel channels formula intensity fin heat exchanging structure fit in the side plate of plate thermotransport device
Face, the opposite another surface channel of the parallel channels formula intensity fin heat exchanging structure are bonded the sparse type wing of parallel channels formula
Piece heat exchange structure.
6. the low temp heating piece according to one of claims 1 to 3, which is characterized in that the sparse type wing of parallel channels formula
Piece heat exchange structure fits in the side plate face of plate thermotransport device, the plate thermotransport using the more than two and double-deck setting
Another lateral plates fitting parallel channels formula intensity fin heat exchanging structure of device is bonded parallel channels formula intensity wing successively
Piece heat exchange structure and the sparse type fin heat exchanging structure of another group of parallel channels formula.
7. low temp heating piece according to claim 1, which is characterized in that the sparse type fin heat exchange knot of parallel channels formula
The spacing of fin of structure is 10mm -30mm to be suitble to the nature of the aerostatic buoyancy driving in the fin channels of 500mm--2000mm high
Cross-ventilation exchanges heat and smokestack effect, and the spacing of fin of the parallel channels formula intensity fin heat exchanging structure is 3mm -10mm
To be suitble to the forced air convection heat exchange of small-sized wind turbine driving；
And/or micro- fin of enhanced heat exchange is provided on the internal face of the microcapillary in the plate thermotransport device, it is described micro-
The height of fin is more than the thickness in the boundary layer of microcapillary.
8. low temp heating piece according to claim 7, which is characterized in that the parallel channels formula intensity fin heat exchange knot
The cross-ventilation resistance in parallel channels that the intensive fin of structure is formed within 20Pa, the wind turbine use power 5W with
Interior small-sized fan；
And/or the parallel channels that the sparse type fin of the sparse type fin heat exchanging structure of parallel channels formula is formed are along plate warm
The plate length direction subsection setup of transport devices, setting distributing damper is to enhance between the parallel channels that each section of sparse type fin is formed
Heat exchange property；
And/or when heating supply water temperature and indoor temperature difference are in 20 DEG C ± 2 DEG C of Low Temperature Difference heat supply, the low temp heating piece
Unit apparent area heat dissipation capacity>800W/m2。
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| CN201610827039.XA CN106323042B (en) | 2016-09-14 | 2016-09-14 | A kind of low temp heating piece |
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| CN201610827039.XA CN106323042B (en) | 2016-09-14 | 2016-09-14 | A kind of low temp heating piece |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201700006842A1 (en) * | 2017-01-23 | 2018-07-23 | Mauro Annunziata | Room dehumidifier |
| CN106989426A (en) * | 2017-05-23 | 2017-07-28 | 杨金钢 | A kind of low-temperature flue gas heat recovery heat exchange device based on low-grade fever Manifold technology |
| CN107726674A (en) * | 2017-07-27 | 2018-02-23 | 杭州三花家电热管理系统有限公司 | Heat exchanger and heat pump |
| CN108050579A (en) * | 2017-12-23 | 2018-05-18 | 黑龙江聚拢华玺智能科技有限公司 | A kind of low temp heating radiator |
| CN108050580A (en) * | 2017-12-24 | 2018-05-18 | 黑龙江聚拢华玺智能科技有限公司 | A kind of high-efficiency radiator |
| EP3540354A1 (en) * | 2018-03-15 | 2019-09-18 | Mahle International GmbH | Corrugated fin composite for a heat exchanger |
| WO2020103858A1 (en) * | 2018-11-20 | 2020-05-28 | 英特换热设备(浙江)有限公司 | Microchannel plate, heating radiator and air conditioning terminal device having same |
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Effective date of registration: 20190104 Address after: 255200 Pioneering Building, Pioneering Avenue, Boshan Economic Development Zone, Zibo City, Shandong Province Patentee after: Zibo Boyi New Energy Technology Development Co., Ltd. Address before: No. 100, Chaoyang District flat Park, Beijing, Beijing Patentee before: Zhao Yaohua |