CN208238304U - A kind of frost removal and condenser and heat pump with the frost removal - Google Patents
A kind of frost removal and condenser and heat pump with the frost removal Download PDFInfo
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- CN208238304U CN208238304U CN201820822025.3U CN201820822025U CN208238304U CN 208238304 U CN208238304 U CN 208238304U CN 201820822025 U CN201820822025 U CN 201820822025U CN 208238304 U CN208238304 U CN 208238304U
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- defrosting
- unit
- frost removal
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- condenser
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Abstract
The utility model relates to Defrost technology fields, disclose a kind of frost removal and condenser and heat pump with the frost removal.The frost removal includes air supply unit and at least one defrosting unit, and the defrosting unit includes air inlet and outlet and Venturi tube；The air inlet connects the entrance of the Venturi tube, and the venturi throat, which is drawn, inhales white mouth, and described to inhale conveying pipe of refrigerant of the white mouth towards outdoor condenser, the air outlet connects the diffuser of the Venturi tube；The air supply unit is used to supply to the defrosting unit.The utility model realizes defrosting using Venturi tube characteristic, and structure is simple, durable, function admirable, and discharge characteristic variation fluctuation is small, is suitable for outdoor condenser defrosting.
Description
Technical field
The utility model relates to Defrost technology fields, more particularly to a kind of frost removal and with the condenser of the frost removal
And heat pump.
Background technique
Air source heat pump takes into account cold and heat supply, occupies little space, energy-saving and environmental protection, the advantages that facilitating, by more and more
Favor.But its frosting problem is the principal element normally heated in influence heat pump unit winter, especially in the north and high humidity south
The winter in area, heat pump unit can hardly operate normally.The outdoor condenser frosting problem of heat pump early has become technique
The one of development is big to be hindered, especially when outdoor coil pipe used temperature is lower than the dew-point temperature of outdoor air and is lower than 0 DEG C, outdoor disk
Pipe will frosting, cause when serious heat pump heat supply penalty and Energy Efficiency Ratio (Coefficient Of Performance, below
Abbreviation COP) substantially reduce.It there now have been many Defrost methods, there are three types of main Defrost methods, is by hot gas respectively
Logical method, inverse round-robin method, electrical heating method.And above-mentioned three kinds of methods are required to realize the phase transformation of frost, can expend a large amount of energy.
The method generallyd use at present is inverse round-robin method.When actual use shows indoor heating in winter, due to outdoor cold
Condenser frosting is serious, causes heat transfer effect bad, thus internal system meeting automatic conversion workflow, changes the stream of refrigerant
To making refrigerant preferentially flow into condenser, realize outdoor heating, indoor refrigeration.This method is melted using refrigerant phase-change heat-exchange
Frost, but it is indoor at this time just into refrigeration mode, i.e. blows cold wind indoors, and this will affect the comfort level of the people in indoor environment.
Meanwhile after outdoor defrosting, when restarting indoor heating mode, more energy will be consumed, and once outdoor
Condenser frosting again, and need switch operating process again.This is also that the heat pump heating effect in winter that denounces always of people is poor
The problem of where.And now widely used finned cooler defrosting difficulty, it is difficult to utilize the normal of the phase for not changing frost
Rule means defrost to realize, and the defrosting effect of usual manner is not very good.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of structures simple, long-lived frost removal, condenser and heat pump, with solution
The bad problem of certainly existing frost removal big energy-consuming, defrosting effect, avoids the influence to indoor environment.
(2) technical solution
In order to solve the above technical problems, the utility model provides a kind of frost removal, including air supply unit is removed at least one
White unit, the defrosting unit includes air inlet and outlet and Venturi tube；The air inlet connects entering for the Venturi tube
Mouthful section, the venturi throat, which is drawn, inhales white mouth, described to inhale conveying pipe of refrigerant of the white mouth towards outdoor condenser, it is described go out
Air port connects the diffuser of the Venturi tube；The air supply unit is used to supply to the defrosting unit.
Further, when the defrosting unit is multiple, multiple defrosting units are along the conveying pipe of refrigerant axis
To direction arranged in series, defrosting pipeline is formed.
Further, multiple defrosting pipelines are arranged side by side on the outdoor condenser surface.
Further, the suction white the distance between mouth and the conveying pipe of refrigerant is 0.5cm~1.5cm.
Further, the air supply unit includes the air intake pump being connected with the air inlet or is connected with the air outlet
Aspiration pump.
It further, further include heating device；The heating device setting is in the air inlet, for heating from described
Air inlet enters the air-flow of the defrosting unit.
It further, further include temperature sensor and micro control unit；Outdoor condenser is arranged in the temperature sensor
Surface, the temperature sensor and the air supply unit are electrically connected with the micro control unit.
The utility model also provides a kind of condenser, including above-mentioned frost removal.
The utility model also provides a kind of heat pump, including above-mentioned condenser.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
A kind of frost removal provided by the utility model, including air supply unit and at least one defrosting unit；Defrost unit packet
It containing air inlet and outlet and Venturi tube, is drawn from venturi throat and inhales white mouth, inhale refrigeration of the white mouth towards outdoor condenser
Agent delivery pipe, the high-speed flow provided using air supply unit form very big negative pressure in its throat by Venturi tube, make in pressure difference
The solid-state frost being attached on outdoor condenser can be sucked out, and blown away in time with lower, complete defrosting process.The frost removal utilizes
Venturi tube characteristic defrosts to realize, structure is simple, durable, function admirable, and discharge characteristic variation fluctuation is small, is suitble to
It defrosts in outdoor condenser.
The utility model also provides a kind of condenser, including above-mentioned frost removal, and installation is simple, practical, is not easy frosting.
The utility model also provides a kind of heat pump, and including above-mentioned condenser, winter heat transfer effect is excellent, and COP value is high, section
It can power saving.
Detailed description of the invention
Fig. 1 is the schematic diagram of one of the utility model embodiment defrosting unit；
Fig. 2 is the top view of one of the utility model embodiment frost removal；
Fig. 3 is the main view of one of the utility model embodiment frost removal；
Fig. 4 is the main view of another frost removal in the utility model embodiment；
Fig. 5 is the main view of another frost removal in the utility model embodiment；
Description of symbols:
1: air inlet；2: Venturi tube；21: venturi tube inlet section；
22: venturi throat；23: Venturi tube diffuser；24: inhaling white mouth；
3: air outlet；4: outdoor condenser；41: conveying pipe of refrigerant；
42: the first fins；43: the second fins 5: intake stack；
6: wind pipe；7: heating device.
Specific embodiment
To keep the purposes, technical schemes and advantages of utility model clearer, below in conjunction with the drawings and specific embodiments,
Technical solution in utility model is explicitly described.Obviously, described embodiment is that utility model a part is implemented
Example, instead of all the embodiments.Based on the embodiment in utility model, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, belong to the range of utility model protection.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " first "
" second " is the number in order to clearly illustrate product component progress, does not represent any essential distinction.Term " preceding " " rear " with
It is conventional to product structure cognition subject to." upper one " " the latter " is to be based on putting in order and describing."upper" "lower" is with attached drawing
Subject to shown direction.For the ordinary skill in the art, above-mentioned term can be understood in this reality as the case may be
With the concrete meaning in novel.
It should be noted that unless otherwise clearly defined and limited, term " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected.For the ordinary skill in the art, it can understand above-mentioned term in utility model with concrete condition
Concrete meaning.
Fig. 1 is the schematic diagram of one of the utility model embodiment defrosting unit, and Fig. 2 is in the utility model embodiment
A kind of frost removal top view, as depicted in figs. 1 and 2, frost removal provided by the utility model, including air supply unit and at least
One defrosting unit.That is defrosting unit can be one, be also possible to multiple.Specifically, defrosting element number is according to easy frosting
The size of degree and outdoor condenser 4, reasonable distribution arrangement.Each defrosting unit includes air inlet 1, air outlet 3 and text
Venturi 2；Air inlet 1 connects the entrance 21 of Venturi tube 2, and the throat 22 of Venturi tube 2, which draws, inhales white mouth 24, inhales white mouth 24
Towards the conveying pipe of refrigerant 41 of outdoor condenser 4, air outlet 3 connects the diffuser 23 of Venturi tube 2.Air supply unit provides high
Fast air-flow makes air enter defrosting unit from air inlet 1, is inhaling the white formation of mouth 24 pressure difference when flowing through Venturi tube 2, is siphoning away attachment
In the solid-state frost on conveying pipe of refrigerant 41, then it is discharged from air outlet 3, completes defrosting process.
Frost removal provided in this embodiment utilizes height by setting air supply unit and the defrosting unit containing Venturi tube
Outdoor condenser will be attached under the action of pressure difference in the very big negative pressure that its throat is formed when fast air-flow flows through Venturi tube
On solid-state frost be sucked out, and blow away in time, avoided in pipeline internal residual from air outlet.The frost removal structure letter of the present embodiment
Clean, function admirable is durable, and the heating operations of the process that defrosts and heat pump are mutually indepedent, avoids the influence to indoor environment.
Meanwhile discharge characteristic variation fluctuation is small, is suitable for outdoor condenser defrosting, but also optimize heat transfer effect, enhances interior
The comfort level of user improves the COP value of heat pump, energy saving.Also, during defrosting, or the not season of frost
In section, dedusting can also be played the role of, dedusting function is identical as the defrosting operation of function.
Further, as shown in Fig. 2, multiple defrosting units can be along conveying pipe of refrigerant when the unit that defrosts has multiple
41 axial direction arranged in series form defrosting pipeline.Defrost unit quantity can according to the concrete condition of outdoor condenser 4 into
Row arrangement.Such as Fig. 2, by taking three are defrosted the defrosting pipeline that units are constituted as an example.The air inlet 1 of first defrosting unit constitutes this and removes
The air inlet of white pipeline, the air inlet 1 of the connection of the air outlet 3 second defrosting unit of the first defrosting unit, the second defrosting unit
Air outlet 3 connects the air inlet 1 of third defrosting unit, and the air outlet 3 of third defrosting unit constitutes the air outlet of the defrosting pipeline.
Unless otherwise specified, in the utility model conveying pipe of refrigerant axial direction be the linear section pipeline section of conveying pipe of refrigerant axis
To direction.
Arragement direction when multiple defrosting units are connected in series is axial parallel with conveying pipe of refrigerant 41, it is preferable that defrosting
Pipeline interior air-flow direction is identical as the refrigerant flow direction in conveying pipe of refrigerant 41.The present embodiment utilizes multiple defrosting unit strings
Connection forms the defrosting pipeline of multistage Venturi tube composition, and structure is simple, increases inhalation flow.In addition to the company in the present embodiment
It connects outside mode, defrosting pipeline can also be formed in such a way that multiple defrosting units are in parallel, the air inlet 1 of multiple defrosting units connects
Unified air inlet general pipeline is met, multiple air outlets 3 connect unified outlet air general pipeline, and keep inhaling white mouth 24 towards conveying pipe of refrigerant
41.Further, as shown in Fig. 3~Fig. 5, multiple defrosting pipelines can be arranged side by side on outdoor 4 surface of condenser.Usually
The conveying pipe of refrigerant 41 of outdoor condenser 4 is the S-shaped coil pipe group that copper pipe is bent into, and increases heat dissipation area, likewise, multiple remove
White pipeline is arranged side by side, and respectively corresponds every delivery pipe all the way of S-shaped coil pipe group.It is arranged side by side by multiple defrosting pipelines, makes room
4 defrosting effect of external condenser is uniform.It is understood that multiple rows of when being had by multiple defrosting pipelines that units are composed in series that defrost
When, any each defrosting unit excluded in white pipeline is arranged along the axis of conveying pipe of refrigerant, each to exclude between white pipeline side by side
Arrangement.When multiple defrosting units are connected in parallel to form defrosting pipeline, there can also be multiple rows of defrosting on the surface of outdoor condenser
Pipeline respectively excludes arranged side by side between white pipeline.
Further, multiple groups fin 42 can be set on the outside of the conveying pipe of refrigerant 41 of outdoor condenser 4, defrosting pipeline can
It is arranged on the outermost fin of outdoor condenser 4 with opposite.
Further, defrosting pipeline can also be arranged along the radial of conveying pipe of refrigerant 41 at file form, can also be same
When horizontally-arranged file alternating expression arrangement, inhale white mouth 24 towards conveying pipe of refrigerant 41 as long as meeting, and high-speed flow can remove
Flowing in white pipeline.
Further, inhaling white the distance between mouth 24 and conveying pipe of refrigerant 41 can be 0.5cm~1.5cm.Such as Fig. 2 institute
Show, for rib heat exchanging pipe, the first fin 42 with to inhale white mouth 24 opposite, the second fin 43 not with to inhale white mouth 24 opposite, first
The height of fin 42 has not only ensured the defrosting effect for inhaling white mouth 24 less than the height of the second fin 43, but also avoids reducing outdoor cold
The exchange capability of heat of condenser 4.The frost removal of the present embodiment can also be directly installed on the same outdoor condenser 4 of all fin heights
Surface.
Further, as shown in figure 3, the air inlet of multiple defrosting pipelines pools together, an intake stack 5 is formed.
When air supply unit is air intake pump, the high-speed flow of generation is sent into each defrosting pipeline by intake stack 5 by the outlet of air intake pump
Air inlet.Air supply unit is also an option that high pressure gas cylinder or other equipment that gas can be made to enter defrosting pipeline.It is preferred that
A heating device 7 is arranged in ground at intake stack 5；Heating device 7 is used to heat the air-flow entered from air inlet.Work as hot gas
When stream blows over defrosting pipeline, solid-state frost can be melted, be conducive to defrosting process, avoid solid-state frost from being enriched in pipeline, cause pipeline
Blocking.Heating device can use electric heating wire, electrically heated rod etc..It is understood that when air supply unit is opened, heating dress
Setting 7 can be not turned on, at this point, defrosting unit, under the action of air supply unit, the frost on conveying pipe of refrigerant and/or fin is with solid
State form is absorbed；Alternatively, heating device 7 can be opened simultaneously with air supply unit, is conducive to solid-state frost becoming liquid, be convenient for
Absorb frost after, defrosting unit in flowing, alternatively, convenient for by solid-state frost be converted into liquid in favor of absorb.
Other than the mode in above-described embodiment, as shown in figure 4, the air outlet of multiple defrosting pipelines pools together, shape
At a wind pipe 6.When air supply unit is aspiration pump, the bleeding point of aspiration pump connects wind pipe 6.Because of the pumping of aspiration pump
Pressure difference can be formed at port with ambient atmosphere, the air of defrosting pipeline air inlet is inhaled into, and is formed in defrosting pipeline
Air-flow.Preferably, device for filtering and collecting can be set at wind pipe 6, the solid-state frost of discharge is subjected to centralized collection processing,
Solid-state frost can also be melted into water, do and further utilize.
Further, as shown in figure 5, frost removal had not only included intake stack 5, but also include wind pipe 6, also set up simultaneously
Heating device 7, air supply unit can choose air intake pump or aspiration pump.The present embodiment had both improved the defrosting effect of frost removal,
Again the frost of discharge, more practicability and economy can be utilized with centralized collection.
Further, frost removal can also include temperature sensor, and the table of outdoor condenser 4 is arranged in temperature sensor
Face, the temperature for sensing chamber's external condenser 4.Temperature sensor can use thermal resistance sensor, thermocouple sensor etc..
Further, frost removal can also include micro control unit, temperature sensor and air supply unit with the micro-control
Unit electrical connection.Micro control unit receive temperature sensor the detection temperature signal sended over, then by with preset temperature
Value comparison, obtains comparison result.When detecting temperature lower than preset temperature value, it is single to gas supply that micro control unit just sends enabling signal
Member starts to defrost.When detecting temperature higher than preset temperature value, micro control unit just sends stop signal to air supply unit, stops
Defrosting.
The utility model additionally provides a kind of condenser including above-mentioned frost removal.Installation is simple, practical, is not easy to tie
Frost.
The utility model also provides a kind of heat pump including above-mentioned condenser；The heat pump is preferably Heat Pump Cycle For Air Conditioning, in the winter
Season, heat transfer effect was excellent, and COP value is high, energy saving.It is understood that being also possible to the heat pump of other forms, as long as the heat
The frost removal of pump can effectively absorb the frost on conveying pipe of refrigerant and/or fin.
It can be seen from the above embodiments that, frost removal provided by the utility model includes air supply unit and at least one is removed
White unit；The unit that defrosts includes at least one Venturi tube, draws the white mouth of suction from venturi throat, it is cold towards outdoor to inhale white mouth
The conveying pipe of refrigerant of condenser, the high-speed flow provided using air supply unit are formed greatly negative by Venturi tube in its throat
Pressure, the solid-state frost being attached on outdoor condenser can be sucked out, and blow away in time under differential pressure action, complete defrosting process.
The frost removal realizes defrosting using Venturi tube characteristic, and structure is simple, durable, function admirable, and discharge characteristic becomes
It is small to change fluctuation, is suitable for outdoor condenser defrosting.In addition, the utility model can also be dusted, summer frost-free when
It waits, can periodically be actuated for dedusting；In winter when frosting, it can defrost simultaneously and dedusting.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of frost removal, which is characterized in that including air supply unit and at least one defrosting unit, the defrosting unit include into
Air port, air outlet and Venturi tube；The air inlet connects the entrance of the Venturi tube, and the venturi throat is drawn
White mouth is inhaled, described to inhale conveying pipe of refrigerant of the white mouth towards outdoor condenser, the air outlet connects the expansion of the Venturi tube
Dissipate section；The air supply unit is used to supply to the defrosting unit.
2. frost removal according to claim 1, which is characterized in that multiple described to remove when the defrosting unit is multiple
White unit forms defrosting pipeline along the conveying pipe of refrigerant axial direction arranged in series.
3. frost removal according to claim 2, which is characterized in that multiple defrosting pipelines are arranged side by side on the outdoor
Condenser surface.
4. frost removal according to any one of claim 1-3, which is characterized in that the white mouth of the suction and the refrigerant are defeated
Sending the distance between pipe is 0.5cm~1.5cm.
5. frost removal according to claim 1, which is characterized in that the air supply unit includes being connected with the air inlet
Air intake pump or the aspiration pump being connected with the air outlet.
6. frost removal according to claim 1, which is characterized in that further include heating device；The heating device setting exists
The air inlet, for heating the air-flow for entering the defrosting unit from the air inlet.
7. frost removal according to claim 4, which is characterized in that further include temperature sensor and micro control unit；The temperature
The surface of outdoor condenser is arranged in degree sensor, and the temperature sensor and the air supply unit are electric with the micro control unit
Connection.
8. a kind of condenser, which is characterized in that including such as described in any item frost removals of claim 1-7.
9. a kind of heat pump, which is characterized in that including condenser as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820822025.3U CN208238304U (en) | 2018-05-30 | 2018-05-30 | A kind of frost removal and condenser and heat pump with the frost removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820822025.3U CN208238304U (en) | 2018-05-30 | 2018-05-30 | A kind of frost removal and condenser and heat pump with the frost removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208238304U true CN208238304U (en) | 2018-12-14 |
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ID=64576213
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820822025.3U Expired - Fee Related CN208238304U (en) | 2018-05-30 | 2018-05-30 | A kind of frost removal and condenser and heat pump with the frost removal |
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| Country | Link |
|---|---|
| CN (1) | CN208238304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822920A (en) * | 2021-01-08 | 2021-05-18 | 兰洋(宁波)科技有限公司 | Efficient cooling system for data center |
-
2018
- 2018-05-30 CN CN201820822025.3U patent/CN208238304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822920A (en) * | 2021-01-08 | 2021-05-18 | 兰洋(宁波)科技有限公司 | Efficient cooling system for data center |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20190530 |
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| CF01 | Termination of patent right due to non-payment of annual fee |