CN208579407U - Fan-coil device - Google Patents
Fan-coil device Download PDFInfo
- Publication number
- CN208579407U CN208579407U CN201820738658.6U CN201820738658U CN208579407U CN 208579407 U CN208579407 U CN 208579407U CN 201820738658 U CN201820738658 U CN 201820738658U CN 208579407 U CN208579407 U CN 208579407U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- fin
- fan
- exchanger tube
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000429 assembly Methods 0.000 claims abstract description 36
- 230000000712 assembly Effects 0.000 claims abstract description 36
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 18
- 238000012546 transfer Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003416 augmentation Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 239000003507 refrigerant Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 21
- 238000001816 cooling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000001788 irregular Effects 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000000411 inducer Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of fan-coil device, including fan assembly, coil pipe and condensate drain pan, coil pipe includes shell, and positioned at the heat exchanger of housing cavity.Heat exchanger is made of fin component and at least one set of heat exchange tube assemblies；Every group of heat exchange tube assemblies are the heat exchanger tube I that a row is arranged successively from top to bottom；Heat exchanger tube I in every group of heat exchange tube assemblies is sequentially connected logical, the medium channel of composition U-shaped or S-shaped.Fin component includes at least two fins；Fin is successively sleeved on I outer surface of every heat exchanger tube from left to right.The utility model only arranges row's heat exchanger tube I in air direction windward, reduce air stream by pipe number of rows, so that air flow resistance be made to reduce；This arrangement also increases heat transfer temperature difference, improves heat output；Heat exchanger tube is not in fin center in the utility model, and is biased into air-flow direction downstream side, can augmentation of heat transfer, improve mean temperature difference, improve heat exchange amount, enhance air conditioning condition under dehumidifying effect.
Description
Technical field
The utility model relates to air conditioner end equipment fields, and in particular to a kind of fan-coil device.
Background technique
Fan coil, wall-hanger, vertical cabinet-type air conditioner are three kinds of room conditioning end equipments more commonly used at present.In above-mentioned room
In interior air-conditioning device, the heat-carrying working medium such as water or refrigerant flows in pipe, and air is driven through outside fin and heat exchanger tube through blower
Surface exchanges heat with intraductal working medium, by working medium cooling and dehumidifying (air conditioning condition) or heating (supplying thermal condition).This room conditioning end
Device heat exchanger structure is mostly fin tube type, and using copper pipe or aluminium pipe sleeve stringed alumium fin, fin and heat exchanger tube are realized after tube expansion
It being in close contact, structure is simple, and it is easily manufactured, it is very widely used.
To reduce chilled water pump power consumption in air-conditioning system, engineers and technicians propose the big temperature difference air conditioner system in water side, will
Cold water supply backwater temperature difference increases to 7 degree or so or higher by conventional 5 degree, and the indoor ends device such as conventional fan coil needs
Correspondingly increase pipe number of rows, to meet the needs of heat exchange, so that windage be made to dramatically increase, blower power consumption and noise are improved.In this way,
With the development of air-conditioning technical, this indoor end apparatus structure design the shortcomings that display.
On the other hand, to improve air-conditioning refrigeration system efficiency, recent domestic has carried out independent temperature-humidity control air-conditioning
Systematic research exploitation, is different from conventional air conditioning system, and in humiture independence control air conditioner system, refrigerant temperature is raised to room
More than interior air dew point temperature, to handle sensible heat, cool down for room, air cooling-down and dehumidifying are real in different equipment and in the process
Existing, using equipment such as dry coil pipe, radiating walls, they only cool down air, do not dehumidify processing sensible heat.Due to refrigerant temperature
Degree improves, and reduces with the heat transfer temperature difference of room air, and conventional blower coil heat exchange ability reduces, and cooling ability decline is in this way
It when room temperature lowering, just needs to increase air quantity and dimensions, this will cause the rising of blower power consumption, noise and cost again, very
Independent temperature-humidity control bring benefit is counteracted in big degree.
To overcome disadvantages mentioned above, special dry-type fan coil unit has been designed and developed in the industry, has redesigned heat exchanger tube
Loop structure arrangement, make flow process and air of the working medium in heat exchanger tube close to counter-current flow, improve effectively heat transfer temperature
Difference.But due under air conditioning condition room temperature level determine substantially, in humiture independence control air conditioner system refrigerant temperature with
The dew-point temperature of room air is close, and the heat transfer temperature difference between room air and refrigerant is less than conventional air-conditioning situation significantly, therefore,
The dry-type fan coil cooling ability of this structure is still limited.In addition, as conventional blower coil pipe, in this dry type blower
In coil pipe, managing outer air will flow through multiple rows of heat exchanger tube (3 to 5 row), and windage increases with pipe number of rows and increased, and blower power consumption is higher,
Noise is larger；And refrigerant then will repeatedly flow through several one half bends in heat exchanger tube, refrigerant flow resistance is larger, also increases
Refrigerant conveys power consumption, and affecting air-conditioning system can imitate.
It is disclosed in patent document (201220115454.X) " the ultra-thin draught fan coil pipe based on small diameter tube, multithread road surface air cooler "
Refrigerant passes through multithread road respectively and exchanges heat, the method for improving heat exchange efficiency, but the quantity of its chilled water channel unit be 4~
6；The U-tube number of rows 2 of chilled water channel unit or 3 rows, on air-flow direction, air will stream 2~3 heat exchanger tubes,
The still once big defect of windage in the prior art.
Utility model content
The technical problems to be solved in the utility model is the fan-coil device for proposing a kind of low windage.
In order to solve the above technical problems, the utility model proposes a kind of fan-coil device, including fan assembly, coil pipe and
Condensate drain pan；The coil pipe includes shell and the heat exchanger positioned at housing cavity, and condensate drain pan is located at immediately below heat exchanger；
The heat exchanger is made of fin component and at least one set of heat exchange tube assemblies:
Every group of heat exchange tube assemblies are the (heat exchanger tube I of heat exchanger tube I that a row is arranged successively (vertical/to be staggered) from top to bottom
Quantity >=2)；
Heat exchanger tube I in every group of heat exchange tube assemblies is sequentially connected logical, composition medium channel.
The fin component includes at least two fins；
The fin is successively sleeved on I outer surface of every heat exchanger tube from left to right；
The heat exchanger tube I is located at fin close to the one end in air-flow direction downstream side.
Improvement as the utility model fan-coil device:
Every I center of heat exchanger tube is W1 at a distance from one end of air-flow direction upstream side with fin, is leaned on fin
The distance of the one end in nearly air-flow direction downstream side is W2；
W1:W2 is 1.5~6:1.
Further improvement as the utility model fan-coil device:
When heat exchanger includes at least two groups heat exchange tube assemblies, heat exchange tube assemblies are arranged successively from top to bottom；
Further improvement as the utility model fan-coil device:
The fan-coil device includes at least one set of fan assembly；
Every group of fan assembly is made of two blowers and a motor, and two blowers are connected to the motor.
Further improvement as the utility model fan-coil device:
The blower is centrifugal blower or cross flow fan.
Further improvement as the utility model fan-coil device:
The fin is straight fins or Special-shaped fin.
The heat exchanger tube I is round tube or elliptical tube.
Further improvement as the utility model fan-coil device:
The heat exchanger further includes the auxiliary thermal region right above condensate drain pan；
The auxiliary thermal region is by least two rows of heat exchanger tube II (number of heat exchange tubes II >=2) structures being arranged successively from top to bottom
At；
The heat exchanger tube II is sequentially connected logical, composition medium channel；
The fin is successively sleeved on II outer surface of every heat exchanger tube I and heat exchanger tube from left to right.
Compared with prior art, the utility model has the technical advantages that:
1, the utility model only arranges row's heat exchanger tube I in direction windward, is connected to heat exchanger tube I according to actual needs, is formed
One or more medium flow channels；On the one hand the big temperature difference fortune of medium side can be achieved in the design that the utility model exchanges heat pipe I
Row, can first mate's reduction refrigerant conveying energy consumption, the water cooler efficiency of first mate's raising simultaneously.
2, the utility model only arranges row's heat exchanger tube I in air direction windward, reduce air stream by pipe
Number of rows, so that air flow resistance be made to reduce；This arrangement also increases heat transfer temperature difference, improves heat output；This is practical simultaneously
It is novel also to increase used blower number, suitably increase air quantity, on the one hand do not increase air drag overall, on the other hand, improves
Heat transfer temperature difference enhances exchange capability of heat；The design of the utility model can be improved cold water mean temperature in air conditioning condition, make cold
Water dispenser group efficiency improves, and when fan coil operates in dry cooling condition, can remove condensate drain pan；Supplying thermal condition can reduce heat level
Equal temperature improves heat pump heat efficiency.
3, straight fins, including regular rectangular shape, or " L " type, " [" type, " [" shape, trapezoidal etc. can be used in the utility model fin
Polymorphic structure, heat exchanger tube are biased into air-flow direction downstream side not in fin center, can augmentation of heat transfer, improve flat
Equal heat transfer temperature difference improves heat exchange amount, enhances the dehumidifying effect under air conditioning condition.
4, the utility model adds auxiliary thermal region, which is located at the bottom half portion of fin, right above condensate drain pan,
The cryogenic energy of the initial inducer of air conditioner cold water, enhancing heat exchange and dehumidifying effect can be more fully utilized, meets air-conditioning to humidity
The needs of control.
5, it is abnormally-structured that Special-shaped fin, including sector, V-type, Z-type or W type etc. also can be used in the utility model fin, reduces
Heat exchanger height, is easily installed, and is also convenient for harmonious with house decoraton.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of fan-coil device in embodiment 1, and structure when left figure is using centrifugal blower 4 is shown
It is intended to, structural schematic diagram when right figure is using cross flow fan 6；
Fig. 2 is the schematic side view of Fig. 1 left figure；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the schematic top plan view of Fig. 1, and upper figure is the schematic top plan view of Fig. 1 left figure, and the following figure is that the vertical view of Fig. 1 right figure is shown
It is intended to；
Fig. 5 is using the structural schematic diagram of fan-coil device when several (6) blowers, and upper figure is to be centrifuged using 6
Structural schematic diagram when blower 4, the structural schematic diagram when following figure is using 6 cross flow fans 6；
Fig. 6 is the structural schematic diagram for the fan-coil device that number of tube passes is 4, and left figure heat exchanger tube I 2 is successively vertical from top to bottom
Arrangement, right figure heat exchanger tube I 2 are successively staggered from top to bottom；
Fig. 7 is the structural schematic diagram for the fan-coil device that number of tube passes is 8, and left figure heat exchanger tube I 2 is successively vertical from top to bottom
Arrangement, right figure heat exchanger tube I 2 are successively staggered from top to bottom；
Fig. 8 is fan-coil device working method schematic diagram, and figure A is air blast schematic diagram, and figure B and C is air inducing mode
Schematic diagram；
Fig. 9 is fin 1 and heat exchanger tube I 2 (round tube) assembling schematic diagram, and scheming fin 1 shown in A is regular rectangular shape, schemes B and C
Shown in fin 1 be irregular, scheme D shown in fin 1 be rule it is trapezoidal；
Figure 10 is fin 1 and heat exchanger tube I 2 (elliptical tube) assembling schematic diagram, and scheming fin 1 shown in A is regular rectangular shape, schemes B
It is irregular with fin 1 shown in C, scheming fin 1 shown in D is that rule is trapezoidal；
Figure 11 is polymorphic structure fin and heat exchanger tube I 2 (round tube) assembling schematic diagram；
Figure 12 is polymorphic structure fin and heat exchanger tube I 2 (elliptical tube) assembling schematic diagram；
Figure 13 is the assembling schematic diagram that polymorphic structure fin increases auxiliary thermal region (5 heat exchanger tubes II), schemes two rows of heat exchange in A
Pipe II is arranged parallel to each other, and schemes two rows of heat exchanger tubes II in B and is intertwined；
Figure 14 is the assembling schematic diagram that polymorphic structure fin increases auxiliary thermal region (8 heat exchanger tubes II), schemes two rows of heat exchange in A
Pipe II is arranged parallel to each other, and schemes two rows of heat exchanger tubes II in B and is intertwined；
Figure 15 is that media flow when I 2 number of tube passes of heat exchanger tube is 6 and is divided into two different medium channels in the present embodiment is shown
It is intended to, wherein upper figure is refrigerant intake-outlet in not ipsilateral heat exchanger structure schematic diagram, the following figure is refrigerant intake-outlet same
The heat exchanger structure schematic diagram of side；
Figure 16 is that media flow when I 2 number of tube passes of heat exchanger tube is 8 and is divided into two different medium channels in the present embodiment is shown
It is intended to；
Figure 17 is that media flow when I 2 number of tube passes of heat exchanger tube is 6 and is divided into three different medium channels in the present embodiment is shown
It is intended to；
Figure 18 is media flow schematic diagram when heat transferring medium is refrigerant in Fig. 2；
The media flow schematic diagram that Figure 19 is Figure 15 heat transferring medium when being refrigerant, wherein upper figure is relatively in upper figure and Figure 15
It answers, the following figure is corresponding with the following figure in Figure 15；
Figure 20 is media flow schematic diagram when heat transferring medium is refrigerant in Figure 16.
In figure, 1. fins, 2. heat exchanger tubes I, 3. motors, 4. centrifugal blowers, 5. expansion valves, 6. cross flow fans, 7. condensed waters
Disk, 8. water conservancy diversion grids, 10. shells.
Specific embodiment
The utility model is described further combined with specific embodiments below, but the protection scope of the utility model is simultaneously
It is not limited only to this.
Embodiment 1, fan-coil device, as shown in Fig. 1-2 0, including fan assembly, coil pipe and condensate drain pan 7, coil pipe packet
Include shell 10, and the heat exchanger positioned at 10 inner cavity of shell.Shell 10 is equipped with air port I and air port II, and 10 inner cavity of shell passes through
Air port II is connected with external environment.Fan assembly is fixedly linked with shell 10, and is connected by air port I with 10 inner cavity of shell
Logical, condensate drain pan 7 is placed on immediately below heat exchanger, the condensed water generated for collecting heat exchanger work.Above-mentioned fan assembly, disk
Pipe and condensate drain pan 7 action and relative positional relationship belong to the prior art, therefore not in the present invention to its into
Row is discussed in detail.
As shown in Figure 2, heat exchanger is made of fin component and at least one set of heat exchange tube assemblies；Every group of heat exchange tube assemblies are one
Arrange the heat exchanger tube I 2 being arranged successively from top to bottom (quantity of heat exchanger tube I 2 is at least two)；Heat exchange in every group of heat exchange tube assemblies
Pipe I 2 is sequentially connected logical, the medium channel of composition U-shaped or S-shaped.Fin component includes at least two fins 1；Fin 1 is from left to right
Successively it is sleeved on I 2 outer surface of every heat exchanger tube, that is, all heat exchanger tubes I 2 are sleeved in each fin 1 (whole for drawing
It is clean, therefore the fin in the middle section Fig. 21 is cooked into omission processing, and other schematic side views also do corresponding omission processing).
For heat exchanger only with one group of heat exchange tube assemblies, this group of heat exchange tube assemblies are successively vertical from top to bottom using 6 in Fig. 2
The heat exchanger tube I 2 of arrangement, heat exchanger tube I 2 are sequentially communicated, and constitute the medium channel of S-shaped.As shown by the arrows in Figure 2, refrigerant (or
Heating agent) it is flowed into from the heat exchanger tube I 2 of bottom, intermediate each section of heat exchanger tube I 2 is flowed through, is finally flowed out from the heat exchanger tube I 2 of the top, this
When refrigerant inflow and outflow in the same side.Under air conditioning condition (that is, when refrigeration), the water recovery in air is in fin 1 and heat exchange
I 2 surface of pipe, is dropped in condensate drain pan 7, arranges to outdoor.
The quantity of heat exchanger tube I 2 can be selected (such as 4 sections, 6 sections according to real work in each group of heat exchange tube assemblies
Or 8 sections), as shown in Figure 6 and Figure 7.
As shown in Figure 1, in the present embodiment there are two types of the arrangement modes of heat exchanger tube I 2:
As shown in Fig. 1 left figure, which is successively vertically arranged from top to bottom, and the center line of each heat exchanger tube I 2 exists
Projection on horizontal plane is overlapped.
As shown in Fig. 1 right figure, which is successively staggered from top to bottom, at this time the center line of each heat exchanger tube I 2
Projection in the horizontal plane is not overlapped.
As shown in figure 4, in the present embodiment fan assembly by being made of two blowers and a motor 3, two blowers with
Motor 3 is connected, that is, motor 3 drives coupled blower to work simultaneously.Two blowers are connected with 10 inner cavity of shell.
Centrifugal blower 4 or cross flow fan 6 can be used in blower in the present embodiment, and the fan assembly being made of centrifugal blower 4 is such as
Shown in the upper figure of Fig. 4, the fan assembly being made of cross flow fan 6 is as shown in Fig. 4 following figure.
From the figure 3, it may be seen that the utility model is provided only with row's heat exchanger tube I 2, air is only streamed by a heat exchanger tube I 2, this
Sample air flow resistance is smaller.To guarantee heat exchange amount, pipe range can be increased, and increase air quantity, but because air is only streamed by one
Branch heat exchanger tube, resistance reduce, and total windage does not increase.In actual use as needed connection heat exchanger tube I 2, formed one or
Multiple medium flow channels；The big temperature difference operation of medium side can be achieved in the design of above-mentioned exchange heat pipe I 2, can first mate's reduction refrigerant
Conveying energy consumption, first mate improves water cooler efficiency simultaneously.
It is realized in the present embodiment by increasing fan assembly quantity, (3 groups of fan assemblies) as shown in Figure 5.Conventional blower disk
Guan Zhong, air will be streamed through excessive branch heat exchanger tube I 2, and air flow resistance is larger, and blower power consumption is higher.To further decrease sky
Air-flow dynamic resistance, heat exchanger tube I 2 can also use elliptical tube in addition to using round tube (as shown in Figure 10/Figure 12).
As shown in figure 8, by taking cross flow fan 6 as an example, the utility model can according to different needs of work using it is different give,
Air inducing mode, to realize refrigeration/heat supply:
Air blast mode is as shown in the figure A of Fig. 8: the air inlet of cross flow fan 6 is connected with outdoor environment, and gas outlet passes through wind
Mouth I is connected with 10 inner cavity of shell, the heat exchanger in 10 inner cavity of gas outlet face shell.Room air is by cross flow fan 6
Air inlet sucking, and 10 inner cavity of shell is flowed by the gas outlet of cross flow fan 6, flow through heat exchanger.Air is from I 2 appearance of heat exchanger tube
When face and 1 surface of fin are flowed through, after the refrigerant in heat exchanger tube I 2 is cooling or heating, level stream air outlet II, by one section away from
From rear, air-flow sinking, the air inlet side of cross flow fan 6 is returned to from lower part, this mode is above to send formula next time, is suitble to space wider
Abundant room.
Air inducing mode is as shown in the figure B and C of Fig. 8: being equipped with water conservancy diversion grid 8 at 6 gas outlet of cross flow fan at this time；Cross flow fan
6 gas outlet is connected with outdoor environment, and air inlet is connected by air port I with 10 inner cavity of shell, the air inlet face shell
Heat exchanger in 10 inner cavities.Room air now flows into 10 inner cavity of shell by air port II, flows through and change under the attraction of cross flow fan 6
Hot device.When air is flowed through from I 2 outer surface of heat exchanger tube and 1 surface of fin, after the refrigerant cooling or heating in heat exchanger tube I 2, by
Air port I is sucked by 6 air inlet of cross flow fan, is being sent out downwards by 6 gas outlet of cross flow fan through water conservancy diversion grid 8, is last time
Under send mode, be adapted to fit the lesser room in space.
Note: the working method of centrifugal blower 4 is identical as cross flow fan 6, therefore does not carry out repeated description in the present specification.
Straight fins or Special-shaped fin can be selected in fin 1 in the present embodiment, and Special-shaped fin structure includes but is not limited to curved bend
Bent structure and indentation structure (such as W-shaped, V-arrangement structure).By using tortuous, arc-shaped bend structure fin in the present embodiment
1, heat exchanger vertical height can be reduced, reduces volume, is easily installed use.
In Fig. 9, scheming fin 1 shown in A is regular rectangular shape, and scheming fin 1 shown in B and C is irregular, schemes D institute
The fin 1 shown is that rule is trapezoidal.As shown in Figure 9, heat exchanger tube I 2 is not on middle position in fin 1, and is biased into the wind
Direction (that is, air-flow direction downstream side), W1 indicates I 2 center of heat exchanger tube and fin 1 on air-flow direction in Fig. 9
Swim side one end distance, W2 indicate I 2 center of heat exchanger tube with fin 1 at a distance from the one end in air-flow direction downstream side,
W1:W2 is 1.5~6:1 (note: W1:W2 is specially 2.4:1 in the present embodiment).H1, H2 indicate rectangle part in irregular
The height on one side.
As shown in figure 11, when used straight fins are polymorphic structure, position of the every heat exchanger tube I 2 in fin 1 is still inclined
To air-flow direction downstream side, ratio is still that W1:W2 is 1.5~6:1.
Note: it is common technology that 1 set of fin is filled to composition heat exchanger on heat exchanger tube I 2 in the art, therefore above-mentioned only right
Suit mode when to fin 1 using different straight fins describes in detail, and those skilled in the art can according to above content
Be easy to replacement and obtain that heat exchanger tube I 2 is staggered or using Special-shaped fin when is set with mode, thus in the present specification not to its into
Row detailed description.
Embodiment 2 increases by one group of heat exchange tube assemblies in embodiment 1, remaining is equal to embodiment 1.
The present embodiment selects two groups of heat exchange tube assemblies, and two groups of heat exchange tube assemblies are divided at this time is arranged successively for two groups up and down, that is, this
Utility model is only with row's heat exchanger tube I 2, and all heat exchanger tubes I 2 are according to above-mentioned arrangement mode vertical/staggered row from top to bottom
Column obtain two medium channels up and down.
Note: when using at least two groups heat exchange tube assemblies, heat exchange tube assemblies are arranged successively from top to bottom, that is, this is practical new
Type direction windward only arranges row's heat exchanger tube I 2.
Medium flows separately through two medium channels in the present embodiment, and the temperature difference of refrigerant inlet and outlet reduces, this is conducive to improve
Total heat transfer temperature difference, so that heat exchange amount is improved, work feelings that are larger suitable for room load, needing especially to increase cooling supply or heating load
Condition.The quantity of heat exchanger tube I 2 in two groups of heat exchange tube assemblies can be selected respectively according to real work situation.
When number of tube passes is 6, following two situation can be divided into.
Contain 3 heat exchanger tubes I 2 in two groups of heat exchange tube assemblies up and down of the heat exchanger as shown in Figure 15 upper figure, on Figure 15
Arrow in figure is not it is found that the inlet and outlet of medium channel are ipsilateral at this time.
Upper group of heat exchange tube assemblies of heat exchanger shown in the following figure in Figure 15 are containing there are two heat exchanger tube I 2, the following group heat exchange tube assemblies
Containing 4 heat exchanger tubes I 2, such as the arrow in Figure 15 following figure it is found that the inlet and outlet of medium channel are in the same side at this time.
Note: 3 groups of heat exchange tube assemblies also can be used in the utility model, as shown in figure 17,3 groups of heat exchange tube assemblies from top to bottom according to
Secondary arrangement contains 2 heat exchanger tubes I 2 in every heat exchange tube assemblies.In practical work process, number of tube passes can be selected as needed, and
The connection of heat exchanger tube I 2 is set to form at least one medium channel.
Similarly, it when number of tube passes is 8, the quantity to heat exchanger tube I 2 in upper and lower heat exchange tube assemblies can carry out according to actual needs
Selection.As shown in figure 16,4 heat exchanger tubes I 2 are contained in two groups of heat exchange tube assemblies up and down of heat exchanger, such as the arrow in Figure 16
It is found that the inlet and outlet of medium channel are in the same side at this time.
When above-mentioned medium is refrigerant, then expansion valve 5, the expanded valve section of refrigerant are set in the entrance of medium channel
Enter after stream and heat exchanger tube I 2 is flowed by medium channel entrance, is flowed out after flowing through heat exchanger channels by medium channel exit.It is different
The heat exchanger of medium channel and tube side is as depicted in figures 18-20.
Embodiment 3 increases auxiliary thermal region in embodiment 1, remaining is equal to embodiment 1.
The present embodiment adds auxiliary thermal region in heat exchanger, i.e., increases pipe number of rows (at least two rows of) in 1 regional area of fin,
To improve cooling and dehumidifying ability, meet air-conditioning humid control needs using the energy of air conditioner cold water initial inducer low temperature part.
As shown in Figure 13 and Figure 14, auxiliary thermal region and heat exchanger assembly same column, 7 surface of condensate drain pan.Auxiliary thermal region by
At least two rows of heat exchanger tubes II being arranged successively from top to bottom constitute (every II quantity of row's heat exchanger tube is at least 2)；Heat exchanger tube II according to
It is secondary to be connected, constitute medium channel.
Note: it can be parallel to each other or be staggered between two rows of heat exchanger tubes II；
It is arranged parallel to each other and refers to that the center line of two corresponding heat exchanger tubes II coincides in the projection of vertical plane, such as Figure 13
Middle A figure and A figure in Figure 14.
The interlaced center line for referring to two corresponding heat exchanger tubes II is not overlapped in the projection of vertical plane, such as B in Figure 13
Figure and B figure arrangement in Figure 14.
Heat exchanger tube II is set with fin 1 with heat exchanger tube I 2 in embodiment 1, outer surface, that is, wing 1 successively covers from left to right
Mounted in the outer surface of every heat exchanger tube I 2 and heat exchanger tube II.
Auxiliary thermal region is made of 5 heat exchanger tubes II, a to e institute of the heat exchanger tube II in the A figure such as in Figure 13 of the position on fin 1
Show, at this point, heat exchanger tube II can be sequentially communicated by a to e sequence, obtains a medium channel.
Auxiliary thermal region is made of 8 heat exchanger tubes II, a to h institute of the heat exchanger tube II in the A figure such as in Figure 14 of the position on fin 1
Show, at this point, heat exchanger tube II can be sequentially communicated by a to h sequence, obtains a medium channel.
When fin 1 is using other fins, auxiliary thermal region can be still added in the manner described above, and circle can be used in heat exchanger tube II
Pipe/elliptical tube.Mode of communicating can also designed, designed according to actual needs, the initial inducer of air conditioner cold water can be made full use of
The energy of low temperature part.
Experiment 1, identical heat exchange amount air-side blockage and blower power consumption compare:
In the case of 7 DEG C of cooling water inlet water temperature, 22 DEG C of exit water temperature, conventional structure fan coil and the utility model Figure 16 institute
Show that the designed breeding of the fan coil of structure is as shown in table 1.
The heat exchanger of the fan coil of structure as shown in figure 16 is made of upper and lower two groups of heat exchange tube assemblies, two groups of set of heat exchange tubes
Contain 4 heat exchanger tubes I 2 in part.
Note: fin 1 is all made of identical plain fin, pitch of fins 2.5mm, pipe outside diameter 9.52mm, wall thickness 0.35mm, pitch-row
31.75mm。
Table 1.
Note: pipe range is the pipe range of single heat exchange tube I 2 in table 1 (and table 2).
As seen from Table 1, (that is, heat exchange amount is mutually sympathized in the case of identical cooling water inlet and exit water temperature and water flow
Under condition), the air-side blockage and blower power consumption of the fan coil of the utility model design are substantially less than conventional scheme, are realizing water
While the big temperature difference in side is run, blower power consumption is reduced.
Experiment 2, dry coil pipe operating condition compare.
In the case of 16 DEG C of cooling water inlet water temperature, 20 DEG C of exit water temperature, conventional structure fan coil and structure shown in Figure 16
The designed breeding of fan coil is as shown in table 2.
This experiment also has detected the designed breeding of fan coil when windward side heat exchanger tube number is 9, as shown in table 2.
The heat exchanger of fan coil when windward side heat exchanger tube number is 9 is by three groups of set of heat exchange tubes being arranged successively from top to bottom
Part is constituted, and 3 heat exchanger tubes I 2 are contained in every group of heat exchange tube assemblies.
Note: fin 1 uses identical plain fin, pitch of fins 2.0/2.5mm, pipe outside diameter 9.52mm, wall thickness 0.35mm, pitch-row
31.75mm。
Table 2
As seen from Table 2, under heat exchange amount same case, the air wide pre. drop and power of the utility model, water side
Pressure drop is significantly lower than conventional structure fan coil, and there is apparent superiority to be used in humiture independence control air conditioner system
Sensible heat load is undertaken, end water, air drag and power consumption can be significantly reduced, helps to improve entire air-conditioning system energy efficiency.
The heat exchanger of the utility model only arranges row's heat exchanger tube I 2 in direction windward, so that air be made only to stream by one
Branch heat exchanger tube, such air flow resistance are smaller.The utility model is to guarantee heat exchange amount, can increase the pipe range of heat exchanger tube I 2,
And increase fan delivery, but because air is only streamed by a heat exchanger tube I 2, resistance is reduced, and total windage does not increase；And normal
It advises in fan coil, air will be streamed through excessive branch heat exchanger tube I 2, and air flow resistance is larger, and blower power consumption is higher；It changes simultaneously
Heat pipe I 2 is end to end, forms one or more medium flow channels, it can be achieved that cold water (or hot water) big temperature difference, same cooling supply
(heat supply) amount down-off can reduce, and can significantly reduce refrigerant conveying energy consumption；In addition, conventional blower coil pipe is because of air along stream
Dynamic direction temperature constantly reduces (when air-conditioning) or raising (when heat supply), the heat transfer temperature difference in air and heat exchanger tube I 2 between medium compared with
Small, because air is only streamed by a heat exchanger tube I 2 in the utility model, i.e., all air for flowing through heat exchanger tube I 2 are initially warm
Degree is identical, therefore total heat transfer temperature difference is larger, this is conducive to improve heat output.
Finally, it should also be noted that it is listed above be only the utility model several specific embodiments.Obviously,
The utility model is not limited to above embodiments, and acceptable there are many deformations.Those skilled in the art can be practical new from this
All deformations that type disclosure is directly exported or associated, are considered as the protection scope of the utility model.
Claims (7)
1. fan-coil device, including fan assembly, coil pipe and condensate drain pan (7)；The coil pipe includes shell (10) and is located at
The heat exchanger of shell (10) inner cavity, condensate drain pan (7) are located at immediately below heat exchanger；It is characterized by:
The heat exchanger is made of fin component and at least one set of heat exchange tube assemblies:
Every group of heat exchange tube assemblies are the heat exchanger tube I (2) that a row is arranged successively from top to bottom；
Heat exchanger tube I (2) in every group of heat exchange tube assemblies is sequentially connected logical, composition medium channel；
The fin component includes at least two fins (1)；
The fin (1) is successively sleeved on every heat exchanger tube I (2) outer surface from left to right；
The heat exchanger tube I (2) is located at the one end of fin (1) close to air-flow direction downstream side.
2. fan-coil device according to claim 1, it is characterised in that:
Every heat exchanger tube I (2) center is W1 at a distance from one end of air-flow direction upstream side with fin (1), with fin
(1) distance close to the one end in air-flow direction downstream side is W2；
W1:W2 is 1.5~6:1.
3. fan-coil device according to claim 1, it is characterised in that:
When heat exchanger includes at least two groups heat exchange tube assemblies, heat exchange tube assemblies are arranged successively from top to bottom.
4. any fan-coil device according to claim 1~3, it is characterised in that:
The fan-coil device includes at least one set of fan assembly；
Every group of fan assembly is made of two blowers and a motor (3), and two blowers are connected with motor (3).
5. fan-coil device according to claim 4, it is characterised in that:
The blower is centrifugal blower (4) or cross flow fan (6).
6. fan-coil device according to claim 5, it is characterised in that:
The fin (1) is straight fins；
The heat exchanger tube I (2) is round tube or elliptical tube.
7. fan-coil device according to claim 6, it is characterised in that:
The heat exchanger further includes the auxiliary thermal region right above condensate drain pan (7)；
The auxiliary thermal region is made of at least two rows of heat exchanger tubes II being arranged successively from top to bottom；
The heat exchanger tube II (21) is sequentially connected logical, composition medium channel；
The fin (1) is successively sleeved on II outer surface of every heat exchanger tube I (2) and heat exchanger tube from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820738658.6U CN208579407U (en) | 2018-05-17 | 2018-05-17 | Fan-coil device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820738658.6U CN208579407U (en) | 2018-05-17 | 2018-05-17 | Fan-coil device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579407U true CN208579407U (en) | 2019-03-05 |
Family
ID=65506701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820738658.6U Active CN208579407U (en) | 2018-05-17 | 2018-05-17 | Fan-coil device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548224A (en) * | 2018-05-17 | 2018-09-18 | 浙江理工大学 | Fan-coil device |
-
2018
- 2018-05-17 CN CN201820738658.6U patent/CN208579407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548224A (en) * | 2018-05-17 | 2018-09-18 | 浙江理工大学 | Fan-coil device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108548224A (en) | Fan-coil device | |
| CN101514829B (en) | Tube-plate evaporative condensing air-conditioning unit with packing | |
| CN107990758A (en) | Heat exchanger and heat pump system | |
| CN111829074B (en) | Air conditioner indoor unit and air conditioner | |
| CN208579407U (en) | Fan-coil device | |
| CN202546960U (en) | Horizontal type outdoor unit for evaporative cooling | |
| CN109441765B (en) | Efficient heat recovery system suitable for air compressor | |
| CN217584650U (en) | Dehumidifier | |
| CN202485532U (en) | Heat exchanger with middle water collecting pipe, and air conditioner and heating unit with exchanger | |
| CN2196773Y (en) | Multiple-effect heat exchanger | |
| CN201391953Y (en) | Plate pipe evaporation type condensation air-conditioning machine set with padding | |
| CN208154611U (en) | A kind of Heat exchanger blower coil device | |
| CN208333166U (en) | heat exchanger and heat pump system | |
| CN1321862A (en) | Heat regeneration horizontal thermotube air-conditioning air-breather equipment | |
| CN102419128A (en) | Heat exchanger with middle water collecting pipe | |
| CN208296374U (en) | A kind of rotary surface air cooler structure of air-conditioning refrigeration system wind direction | |
| CN102705983A (en) | Indoor separate installation type air-energy water heater | |
| CN209197508U (en) | Dry and wet or so arranges integrated enclosed cooling device | |
| CN202915763U (en) | Transverse flow finned-tube type and high-efficient tube type combined evaporative air cooler | |
| CN102538102A (en) | Evaporation cooling horizontal outdoor machine for semiconductor refrigeration | |
| CN208312769U (en) | A kind of dedicated fin-tube type heat exchanger of air-conditioning | |
| CN202274552U (en) | Energy-saving air exhaust heat pump air conditioner | |
| CN201199078Y (en) | Air conditioner | |
| CN202546964U (en) | Horizontal evaporative cooling outdoor unit and fin semiconductor refrigeration indoor unit compounded air conditioner | |
| CN220852371U (en) | Fan coil device for countercurrent heat exchange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |