CN208901683U - Air source heat pump system - Google Patents
Air source heat pump system Download PDFInfo
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- CN208901683U CN208901683U CN201821500483.1U CN201821500483U CN208901683U CN 208901683 U CN208901683 U CN 208901683U CN 201821500483 U CN201821500483 U CN 201821500483U CN 208901683 U CN208901683 U CN 208901683U
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Abstract
The application provides a kind of air source heat pump system, the First Heat Exchanger including being located at air side；First Heat Exchanger includes multiple micro-channel flats arranged side by side and collecting pipe；Each micro-channel flat is vertically arranged, so that the broadside of each micro-channel flat is perpendicular to horizontal plane.Because each micro-channel flat is vertically arranged, so when First Heat Exchanger is used as evaporator, even if forming water droplet in micro-channel flat because evaporating temperature is too low, but because there is no corresponding components to carry water droplet, so water droplet slides along micro-channel flat surface to the downside of micro-channel flat under gravity and the straight down double action of wind-force, and it can rapidly drop to drip tray.Likewise, extraneous dust can not also be fallen in the gap between micro-channel flat, and pass through from the gap among micro-channel flat, the gap between micro-channel flat is blocked so as to avoid dust accretions and reduces the frosting ice formation issues therefore occurred.
Description
Technical field
This application involves Heating, Ventilation and Air Conditioning (HVAC) Technology fields, are specifically related to a kind of air source heat pump system.
Background technique
Air source heat pump system is that the marketization is promoted at present, and the evaporation using refrigerant in air side evaporator is inhaled
Heat, compressed after water-side heat heat dissipation flow heated water, realize heat recovery.For the work for guaranteeing air source heat pump system
The specific surface area of efficiency, air side evaporator and air heat-exchange increases as far as possible.In order to replace copper pipe, improve heat exchange ratio
Surface area, this field have had developed micro-channel flat；But in practical application, because micro-channel flat heat exchange efficiency is very
Height, and in practical application micro-channel flat and its fin specific structure and its specific usage mode so that utilizing it
The evaporator of manufacture it is easy to appear external ponding, dust stratification and the problem of cause frosting to freeze so that the heat exchange of evaporator itself
Efficiency seriously reduces, and it is required that air source heat pump system opens defrosting mode.
Utility model content
The application provides a kind of air source heat pump system, to solve the problems, such as that background technique refers to.
The application provides a kind of air source heat pump system, the First Heat Exchanger including being located at air side；
The First Heat Exchanger includes multiple micro-channel flats arranged side by side, and is connected with each micro-channel flat
Logical collecting pipe；
Each micro-channel flat is vertically arranged, so that the broadside of each micro-channel flat is perpendicular to level
Face.
Optionally, the First Heat Exchanger includes the radiating fin being arranged between the adjacent micro-channel flat；
The radiating fin is vertically arranged, so that the radiating surface of the radiating fin is perpendicular to horizontal plane.
Optionally, the First Heat Exchanger includes that air-flow is made to flow into via the micro-channel flat upside, is flat by microchannel
The blower flowed out on the downside of pipe.
Optionally, the assembling is in the positive upside of the micro-channel flat, and/or,
It is mounted on the downside of micro-channel flat, and is located at the micro-channel flat except horizontal plane orthographic projection region.
Optionally, the First Heat Exchanger includes being arranged on the downside of the micro-channel flat, is located at the micro-channel flat
Water-collecting tray in orthographic projection region.
Optionally, the First Heat Exchanger includes the splashproof material being arranged between the micro-channel flat and the water-collecting tray
The bed of material.
Optionally, each micro-channel flat is at least partially disposed on same plane.
Optionally, including the liquid storage tank-type heat exchanger positioned at side medium to be heated；
The liquid storage tank-type heat exchanger includes refrigerant storage chamber, the heat exchanging chamber on the upside of the refrigerant storage chamber；
The heat exchanging chamber includes heat exchanger tube；The heat exchanging chamber is isolated into refrigerant flowing lumen and Jie to be heated by the heat exchanger tube
Mass flow cavity；
The refrigerant storage chamber is connected to refrigerant flowing lumen.
Optionally, the refrigerant inlet of the refrigerant flowing lumen is located at the top of the liquid storage tank-type heat exchanger；The refrigerant
The refrigerant exit of storage chamber also is located at the top of the liquid storage tank-type heat exchanger.
Optionally, the medium entrance of the medium passing chamber to be added is located at the lower part of the liquid storage tank-type heat exchanger；Institute
The media outlet for stating medium passing chamber to be added is located at the top of the liquid storage tank-type heat exchanger.
Because each micro-channel flat is vertically arranged, in First Heat Exchanger as evaporator in use, even if
Water droplet is formed in micro-channel flat because temperature is too low, but because there is no corresponding components to carry water droplet, water
Drop slides along micro-channel flat surface to the downside of micro-channel flat in gravity, and can rapidly fall.Likewise,
Extraneous dust can not also be fallen in the gap between micro-channel flat, and be passed through from the gap among micro-channel flat, from
And it avoids dust accretions and blocks the gap between micro-channel flat and reduce the frosting ice formation issues therefore occurred.
Detailed description of the invention
Fig. 1 is air source heat pump overall schematic provided by the embodiments of the present application；
Fig. 2 is the top view of the First Heat Exchanger of air source heat pump system provided by the embodiments of the present application；
Wherein: 11- First Heat Exchanger, 111- micro-channel flat, 112- collecting pipe, 113- radiating fin, 114- blower,
115- water-collecting tray, 116- splashproof material layer, 12- four-way valve, 13- compressor, 14- liquid storage tank-type heat exchanger, the storage of 141- refrigerant
Chamber, 142- heat exchanging chamber, 143- heat exchanger tube, 144- refrigerant inlet, 145- refrigerant exit, 146- medium entrance, 147- media outlet,
15- throttle valve, 16- check valve, 17- device for drying and filtering.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
Fig. 1 is air source heat pump overall schematic provided by the embodiments of the present application, and Fig. 2 is sky provided by the embodiments of the present application
The top view of the First Heat Exchanger of air supply heat pump system.As shown in Figure 1, air source heat pump system packet provided by the embodiments of the present application
First Heat Exchanger 11, four-way valve 12, compressor 13, the second heat exchanger, throttle valve 15 are included, aforementioned all parts are sequentially communicated, shape
At the circulation path that a realization refrigerant is flowed along arrow, refrigerant realizes the collection of heat along aforementioned circulation path and releases
It puts, heating is located at the water of the second heat exchanger side.
Specifically, First Heat Exchanger 11 includes micro-channel flat 111 and collecting pipe 112, the quantity of micro-channel flat 111 is
Multiple, the quantity of collecting pipe 112 is two.Multiple micro-channel flats 111 are arranged side by side, both ends respectively with two collecting pipes
112 connections, so that refrigerant is flowed into from a collecting pipe 112 and flowed out from another collecting pipe 112.As shown in Fig. 2, the application
In embodiment, each micro-channel flat 111 is vertically arranged, and the big face broadside of heat exchange of each micro-channel flat 111 hangs down
Directly in horizontal plane.Do a simple introduction to the structure of micro-channel flat herein: micro-channel flat is substantially in cubic, including length
Side, broadside and thickness edges, long side are to be parallel to one side of microchannel extending direction, and broadside is a side perpendicular to long side,
And thickness edges are a smallest size of side.
It is contemplated that because each micro-channel flat 111 is vertically arranged, in First Heat Exchanger 11 as evaporation
Device in micro-channel flat 111 in use, even if form water droplet because temperature is too low, but because there is no corresponding components
Water droplet is carried, so sliding under the double action of wind-force of the water droplet in gravity and straight down along 111 surface of micro-channel flat
To the downside of micro-channel flat 111, and it can rapidly drop to drip tray.Likewise, extraneous dust can not also fall in it is micro-
In gap between the flat tube of channel, and pass through from the gap among micro-channel flat 111, is blocked up so as to avoid dust accretions
It fills in the gap between micro-channel flat and reduces the frosting ice formation issues therefore occurred.
Continuing with referring to fig. 2, in the embodiment of the present application, First Heat Exchanger 11 further includes radiating fin 113, radiating fin
113 connect with micro-channel flat 111, and radiating fin 113 is also vertically arranged, so that it radiates, big face is also perpendicularly to level
Face.It is arranged with micro-channel flat 111 above-mentioned similar, radiating fin 113, which is vertically arranged also, can reduce condensed water, dust
Accumulation on radiating fin 113 then reduces 11 surface of First Heat Exchanger and a possibility that frosting, freeze occurs.
It should be noted that the radiating fin 113 in the embodiment of the present application is mainly used for improving First Heat Exchanger 11 and air
Contact area then improves the heat exchange efficiency of First Heat Exchanger 11.In other embodiments, if micro-channel flat 111 itself
Good heat transfer effect has been had reached, radiating fin 113 above-mentioned can also be not provided with.
In practical application, micro-channel flat 111 above-mentioned and radiating fin 113 can be manufactured using aluminium.Because of aluminium
Material surface will form fine and close oxide film, therefore can be avoided and the problem of electrochemical corrosion occur.In not external impacts
Under effect, the middle copper pipe used is compared compared with the existing technology, can be improved First Heat Exchanger 11 using micro-channel flat 111
Service life.
As shown in Figure 1, First Heat Exchanger 11 further includes in the air source heat pump system that the application specific embodiment provides
Blower 114, blower 114 are used for so that air rapidly blows over micro-channel flat 111 and radiating fin, then increase air with it is micro-
The heat exchanger effectiveness of channel flat tube 111, heat exchange fin.In the present embodiment, blower 114 makes air-flow via micro-channel flat 111
Upside flow into, by micro-channel flat
111 downside outflow.It is contemplated that because the effect of air-flow, condenses the water of formation in micro-channel flat 111
It drips, fall in dust granule in microchannel surface by the effect of wind-force, and wind-force and gravity are substantially in the same direction, improve water
Drop and dust are detached from the rate and possibility of micro-channel flat 111 and radiating fin, then further reduce microchannel surface
Between gap be blocked a possibility that.
In practical application, blower 114 above-mentioned may be mounted at the surface of micro-channel flat 111, also may be mounted at
The lower section of micro-channel flat 111.In the case where blower 114 is mounted on the just upside of micro-channel flat 111, blower 114 can't
It is influenced by condensed water in micro-channel flat 111；And in the case that blower 114 is mounted on 111 downside of micro-channel flat, in order to
Avoid condensed water low onto blower 114, analysis may be mounted at micro-channel flat 111 except horizontal plane orthographic projection region.
As previously mentioned, First Heat Exchanger 11 is as evaporator in use, surface is likely to form condensed water and along microchannel
Flat tube 111 and radiating fin 113 drip, in order to avoid drippage condensed water to the impact of the pedestal of support First Heat Exchanger 11,
Base-plates surface is avoided region of largely dripping occur simultaneously, First Heat Exchanger 11 provided by the embodiments of the present application further includes water-collecting tray
115.The whole downside of micro-channel flat 111 and radiating fin 113 is arranged in water-collecting tray 115, is located at micro-channel flat 111 and heat dissipation
In the orthographic projection region of fin 113.
Further, First Heat Exchanger 11 can also include splashproof material layer 116.Splashproof material layer 116 is arranged micro-
Between channel flat tube 111 and water-collecting tray 115, for buffering the water droplet to be dripped by micro-channel flat 111, radiating fin 113, avoid
Water droplet is directly dropped in water-collecting tray 115 and splashes and be bonded on micro-channel flat 111, radiating fin 113 or other component.
In practical application, the application specific embodiment provide First Heat Exchanger 11 further include positioned at micro-channel flat 111,
The wire support member and guard block in 112 outside of collecting pipe, are used to support micro-channel flat 111, collecting pipe 112, radiating fin
Piece 113 and fan, and prevent external force stroke above-mentioned parts, particularly external force stroke micro-channel flat 111 and cause
The damage of core heat exchanger components.
In the application specific embodiment, the upper portion of each micro-channel flat 111 exists in same level, lower portion
Same level, that is, each micro-channel flat 111 are on sustained height, are not overlapped in vertical direction between each other.
Corresponding, radiating fin 113 is arranged between two adjacent micro-channel flats 111.It is contemplated that using such structure,
The condensed water formed in each micro-channel flat 111, each fin directly drops onto splashproof material layer 116 above-mentioned.?
In other embodiments, it is also possible that 111 multilayer of micro-channel flat is arranged, it is envisioned that in this case, upper layer microchannel
The condensed water water droplet that flat tube 111 is formed may drop in lower layer's micro-channel flat 111, then increase lower layer's micro-channel flat
111 there is a possibility that frosting, freeze；Therefore, the First Heat Exchanger more than 11 that multilayer micro-channel flat 111 is arranged is used seldom
There are the low latitudes of low temperature.
It is storage continuing with the second heat exchanger in the air source heat pump system provided referring to Fig. 1, the application specific embodiment
Liquid tank-type heat exchanger 14.Wherein liquid storage tank-type heat exchanger 14 includes refrigerant storage chamber 141, positioned at 141 upside of refrigerant storage chamber
Heat exchanging chamber 142.Heat exchanger tube 143 is provided in heat exchanging chamber 142, heat exchanging chamber 142 above-mentioned is isolated into refrigerant stream by heat exchanger tube 143
Cavity and dielectric cavity to be heated, and refrigerant storage chamber 141 is connected to refrigerant flowing lumen above-mentioned.
Using liquid storage tank-type heat exchanger 14 provided by the embodiments of the present application, refrigerant is first flowed into refrigerant flowing lumen, with
Thermal medium to be added carries out heat exchange and cools down；Refrigerant after cooling, which is flowed into refrigerant storage chamber 141, to be stored, and is being throttled
Refrigerant storage chamber 141 is flowed out according to certain rate under the control of valve 15.
It is contemplated that the second heat exchanger is arranged to liquid storage tank-type heat exchanger 14 above-mentioned, it is not necessary that storage is being separately provided
The fluid reservoir of refrigerant is improved so that being arranged in indoor component integration degree in heat pump system, reduces heat pump system
The volume of occupancy indoors.
In concrete application, air source heat pump system above-mentioned is mainly used for heating water, therefore above-mentioned to be heated
Medium in medium flow field cavity is mostly water.
Specifically, referring to Figure 1, the refrigerant inlet 144 of aforementioned refrigerant flowing lumen is located at the upper of liquid storage tank-type heat exchanger 14
Portion, and the refrigerant exit 145 of refrigerant storage chamber 141 also is located at the top of liquid storage tank-type heat exchanger 14.Therefore, when refrigerant is through over-voltage
After contracting machine 13 compresses, refrigerant flowing lumen is entered from superposed refrigerant exit 145, and gradually cool down and be flowed into refrigerant and deposit
Storage chamber 141；Liquid storage tank-type heat exchanger 14 is flowed out in the refrigerant exit 145 that the refrigerant of refrigerant storage chamber 141 passes through positioned at upside.It can
To expect, the refrigerant circulation path of this spline structure can be accumulated to avoid refrigerant in the bottom of Burn chamber, then be avoided because of heat exchanging chamber
The problem of 142 bottoms accumulation refrigerant, refrigerant cannot be discharged rapidly and influence heat exchange efficiency.
It is located at liquid storage tank-type heat exchanger 14 continuing with the medium entrance 146 referring to Fig. 1, medium passing chamber to be added above-mentioned
Lower part, the media outlet 147 of medium passing chamber to be added is located at the top of liquid storage tank-type heat exchanger 14.It is contemplated that be added
Thermal medium temperature at medium entrance 146 is lower, and with the upside for flowing to medium passing chamber to be added, temperature gradually mentions
High, density reduces.Also, as the upward side of thermal medium to be added is flowed, the refrigerant temperature for heating thermal medium to be added is also higher and higher,
Therefore it can guarantee that there is preferable temperature transmission effect between refrigerant and value to be heated, fully absorb refrigerant compression and discharge
Heat.
As shown in Figure 1, under normal circumstances, air source heat pump system above-mentioned is used for in liquid storage tank-type heat exchanger 14
Thermal medium heating to be added, the flow direction of refrigerant is along direction shown in arrow, i.e., from compressor 13- four-way valve 12- fluid reservoir
Formula heat exchanger 14- throttle valve 15- First Heat Exchanger 11- four-way valve 12 returns compressor 13.
And in some cases, such as when outdoor temperature is too low or rain and snow weather, First Heat Exchanger 11 is still
It is likely to occur in the case of frosting, in order to enable the quick defrost of First Heat Exchanger 11, four-way valve 12 switches the flow direction of refrigerant, so that cold
Matchmaker is returned again by 13 compressions of compressor-four-way valve 12- First Heat Exchanger 11- throttle valve 15- liquid storage tank-type heat exchanger 14- four-way valve 12
To compressor 13；And under this case, because of the limitation of throttle valve 15, the heat exchange efficiency of First Heat Exchanger 11 is lower.To improve
Heat exchange efficiency, air source heat pump system provided by the embodiments of the present application further include check valve 16, and check valve 16 and throttle valve 15 are simultaneously
The setting of connection ground, one end connect with First Heat Exchanger 11, and the other end is connect with liquid storage tank-type heat exchanger 14, and check valve 16 is by the
One heat exchanger 11 is to 14 one-way conduction of liquid storage tank-type heat exchanger；Therefore, only when carrying out defrosting operation to First Heat Exchanger 11,
Check valve 16 can just be connected and flow through refrigerant.In some other embodiment, if there is the general of frosting in First Heat Exchanger 11
Rate is smaller, can also be not provided with check valve 16 above-mentioned.
Continuing with referring to Fig. 1, the air source heat pump system that the application specific embodiment provides further includes device for drying and filtering 17,
Device for drying and filtering 17 is arranged between First Heat Exchanger 11 and liquid storage tank-type heat exchanger 14, for absorbing moisture in refrigerant and miscellaneous
Matter, to avoid the micro-channel flat 111 and throttle valve 15 in moisture and impurity blocking First Heat Exchanger 11.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above and disclosed herein but be not limited to similar functions
Technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of air source heat pump system, it is characterised in that: the First Heat Exchanger including being located at air side；
The First Heat Exchanger includes multiple micro-channel flats arranged side by side, and be connected to each micro-channel flat
Collecting pipe；
Each micro-channel flat is vertically arranged, so that the broadside of each micro-channel flat is perpendicular to horizontal plane.
2. air source heat pump system according to claim 1, it is characterised in that:
The First Heat Exchanger includes the radiating fin being arranged between the adjacent micro-channel flat；
The radiating fin is vertically arranged, so that the radiating surface of the radiating fin is perpendicular to horizontal plane.
3. air source heat pump system according to claim 1 or 2, it is characterised in that:
The First Heat Exchanger includes flowing into air-flow via the micro-channel flat upside, by flowing out on the downside of micro-channel flat
Blower.
4. air source heat pump system according to claim 3, it is characterised in that:
The assembling in the positive upside of the micro-channel flat, and/or,
It is mounted on the downside of micro-channel flat, and is located at the micro-channel flat except horizontal plane orthographic projection region.
5. air source heat pump system according to claim 1 or 2, it is characterised in that:
The First Heat Exchanger includes being arranged on the downside of the micro-channel flat, is located in micro-channel flat orthographic projection region
Water-collecting tray.
6. air source heat pump system according to claim 5, it is characterised in that:
The First Heat Exchanger includes the splashproof material layer being arranged between the micro-channel flat and the water-collecting tray.
7. air source heat pump system according to claim 1 or 2, it is characterised in that:
Each micro-channel flat is at least partially disposed on same plane.
8. air source heat pump system according to claim 1 or 2, it is characterised in that:
Liquid storage tank-type heat exchanger including being located at side medium to be heated；
The liquid storage tank-type heat exchanger includes refrigerant storage chamber, the heat exchanging chamber on the upside of the refrigerant storage chamber；
The heat exchanging chamber includes heat exchanger tube；The heat exchanging chamber is isolated into refrigerant flowing lumen and medium flow field to be heated by the heat exchanger tube
Cavity；
The refrigerant storage chamber is connected to refrigerant flowing lumen.
9. air source heat pump system according to claim 8, it is characterised in that:
The refrigerant inlet of the refrigerant flowing lumen is located at the top of the liquid storage tank-type heat exchanger；The refrigerant of the refrigerant storage chamber
Outlet also is located at the top of the liquid storage tank-type heat exchanger.
10. air source heat pump system according to claim 9, it is characterised in that:
The medium entrance of the medium passing chamber to be added is located at the lower part of the liquid storage tank-type heat exchanger；The thermal medium to be added
The media outlet of flowing lumen is located at the top of the liquid storage tank-type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500483.1U CN208901683U (en) | 2018-09-13 | 2018-09-13 | Air source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500483.1U CN208901683U (en) | 2018-09-13 | 2018-09-13 | Air source heat pump system |
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| Publication Number | Publication Date |
|---|---|
| CN208901683U true CN208901683U (en) | 2019-05-24 |
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ID=66572313
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500483.1U Active CN208901683U (en) | 2018-09-13 | 2018-09-13 | Air source heat pump system |
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| Country | Link |
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| CN (1) | CN208901683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193169A1 (en) * | 2021-03-17 | 2022-09-22 | 上海精智实业股份有限公司 | Heat sink for communication setting |
-
2018
- 2018-09-13 CN CN201821500483.1U patent/CN208901683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193169A1 (en) * | 2021-03-17 | 2022-09-22 | 上海精智实业股份有限公司 | Heat sink for communication setting |
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