CN211854596U - Defrosting system of refrigeration house - Google Patents
Defrosting system of refrigeration house Download PDFInfo
- Publication number
- CN211854596U CN211854596U CN202020029051.8U CN202020029051U CN211854596U CN 211854596 U CN211854596 U CN 211854596U CN 202020029051 U CN202020029051 U CN 202020029051U CN 211854596 U CN211854596 U CN 211854596U
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- freezer
- air
- pipeline
- hot gas
- vortex tube
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- 238000010257 thawing Methods 0.000 title abstract description 28
- 238000005057 refrigeration Methods 0.000 title description 9
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 238000004378 air conditioning Methods 0.000 claims abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a vortex tube field of heating, in particular to freezer defrosting system. The utility model discloses a freezer defrost system includes vortex tube, steam recovery unit, hot gas flow wind gap and air conveying device, air conveying device's delivery outlet with the air inlet intercommunication of vortex tube, the air conditioning export of vortex tube lets in the freezer indoor, and its steam outlet is through first tube coupling the hot gas flow wind gap, the hot gas flow wind gap is close to the evaporimeter for blow and defrost to the indoor evaporimeter of freezer, steam recovery unit intercommunication is in on the first pipeline, its steam that is used for collecting the off-premises station and discharges and assemble extremely in the first pipeline. The advantages are that: structural design is reasonable, and operation simple to use, convenience can be effectual to the indoor evaporimeter defrosting of freezer to can retrieve off-premises station heat energy at the defrosting process, defrosting efficiency is higher, energy-conservation, environmental protection.
Description
Technical Field
The utility model relates to a vortex tube field of heating, in particular to freezer defrosting system.
Background
The surface of an evaporator in a cold storage is frosted frequently, and the frosted surface can hinder the conduction and the emission of cold energy of a refrigerating evaporator pipeline, and finally the refrigerating effect is influenced. When the thickness of the frost layer ice layer on the surface of the evaporator reaches a certain degree, the refrigeration efficiency even drops below 30%, which results in great waste of electric energy and shortens the service life of the refrigeration system. It is necessary to perform the refrigerator defrosting operation in an appropriate cycle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a freezer defrosting system is provided, the effectual defect of overcoming prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a freezer defrost system, including vortex tube, steam recovery unit, hot gas flow tuyere and air delivery mechanism, the delivery outlet of above-mentioned air delivery mechanism and the air inlet intercommunication of above-mentioned vortex tube, the air conditioning export of above-mentioned vortex tube lets in the freezer indoor, its steam outlet passes through first pipeline and connects above-mentioned hot gas flow tuyere, above-mentioned hot gas flow tuyere is close to the evaporimeter, in order to blow to the indoor evaporimeter of freezer and defrost, above-mentioned steam recovery unit intercommunication is on above-mentioned first pipeline, it is used for collecting the steam that the off-premises station discharged and assemble to in above-mentioned first pipeline.
The utility model has the advantages that: structural design is reasonable, and operation simple to use, convenience can be effectual to the indoor evaporimeter defrosting of freezer to can retrieve off-premises station heat energy at the defrosting process, defrosting efficiency is higher, energy-conservation, environmental protection.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a control valve is arranged at the joint of the hot gas outlet of the vortex tube and the first pipeline.
The beneficial effect who adopts above-mentioned further scheme is the flowmeter velocity of flow of being convenient for control steam to reach better defrosting effect.
Further, the hot gas recovery device comprises a venturi tube and a wind collecting cover, the first pipeline comprises two sections, an air inlet and an air outlet of the venturi tube are connected between the two sections of the first pipeline, a negative pressure air suction port of the venturi tube is communicated with the interior of the wind collecting cover through a pipeline, and an opening of the wind collecting cover is close to a hot gas discharge port of the outdoor unit.
The beneficial effects of adopting above-mentioned further scheme are that can effectual collection off-premises station exhaust steam, utilize the steam of retrieving to participate in the defrosting, reach energy-conserving, the purpose of environmental protection.
Furthermore, a filter screen is arranged at the negative pressure suction port of the Venturi tube.
Adopt the beneficial effect of above-mentioned further scheme to be can effectual filtration foreign matter granule.
Further, the air delivery device is a fan unit or a blower installed outdoors.
The beneficial effects of adopting above-mentioned further scheme are convenient to use, and air delivery is effectual.
The evaporator is characterized by further comprising a control system, the control system comprises a controller and a temperature sensor arranged at the evaporator, the control valve is an electric control valve, and the controller is electrically connected with the temperature sensor, the air conveying device and the control valve respectively.
The beneficial effect of adopting above-mentioned further scheme is that conveniently carry out automated control operation to whole defrost system for it is more convenient to use.
Drawings
Fig. 1 is a schematic structural view of the defrosting system of the refrigeration house of the utility model;
fig. 2 is a schematic structural view of a vortex tube in the defrosting system of the refrigeration house of the utility model;
fig. 3 is the utility model discloses a venturi's schematic structure among freezer defrost system.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a vortex tube, 2, a hot air recovery device, 3, a hot air tuyere, 4, an evaporator, 5, a control valve, 6, an air conveying device, 7, a temperature sensor, 21, a venturi tube, 22, an air collecting cover, 211 and a filter screen.
Detailed Description
The principles and features of the present invention are described below, with the examples being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention.
Example (b): as shown in fig. 1 to 3, the freezer defrosting system of this embodiment includes a vortex tube 1, a hot gas recovery device 2, a hot gas flow port 3 and an air delivery device 6, an output port of the air delivery device 6 is communicated with an air inlet of the vortex tube 1, a cold gas outlet of the vortex tube 1 is introduced into the freezer chamber, the hot gas outlet thereof is connected to the hot gas flow port 3 through a first pipeline, the hot gas flow port 3 is close to an evaporator 4 for blowing to the evaporator 4 in the freezer chamber for defrosting, and the hot gas recovery device 2 is communicated with the first pipeline for collecting the hot gas discharged from the outdoor unit and collecting the hot gas into the first pipeline.
Before use, the hot air flow port 3 is arranged above the evaporator 4, the cold air outlet is arranged in the cold storage, and the working principle is as follows:
the air conveying device 6 sends outside air into the interior of the vortex tube 1 at a certain pressure and speed through an air inlet of the vortex tube 1, hot air flow and cold air flow of about 110 ℃ are generated in the vortex tube 1, the hot air flow enters a hot air flow air port 3 through a first pipeline through a hot air outlet of the vortex tube 1, in the process, hot air (generated by heat exchange) discharged by an outdoor unit is recovered by a hot air recovery device 2, then is converged into the first pipeline and mixed with the hot air generated by the vortex tube 1, the hot air flow is increased, the defrosting efficiency is improved, finally, the hot air flow air port 3 blows towards an evaporator 4 below the evaporator 4, defrosting operation is carried out on the evaporator 4, a cooling layer on the surface of the evaporator 8 is rapidly removed, and meanwhile, the cold air generated by the vortex tube 1 is sent into a refrigeration house to provide.
The whole system has reasonable structural design, simple and convenient operation and use, can effectively defrost the indoor evaporator of the refrigeration house, can recover the heat energy of the outdoor unit in the defrosting process, and has higher defrosting efficiency, energy conservation and environmental protection.
As a preferred embodiment, the air outlet of the hot air outlet 3 is slit-shaped, so that the contact area between the hot air and the evaporator 4 is increased, and the defrosting efficiency is improved.
In a preferred embodiment, a control valve 5 is provided at a connection between the hot gas outlet of the vortex tube 1 and the first pipeline.
In this embodiment, by controlling the opening/closing parameters of the operation control valve 5, the flow rate and flow velocity of the hot-gas defrosting can be adjusted, and the optimal defrosting state can be adjusted.
In a preferred embodiment, the hot gas recovery device 2 includes a venturi tube 21 and a wind-collecting cover 22, the first pipeline includes two sections, an air inlet and an air outlet of the venturi tube 21 are connected between the two sections of the first pipeline, a negative pressure air inlet of the venturi tube 21 is communicated with the interior of the wind-collecting cover 22 through a pipeline, and a mouth of the wind-collecting cover 22 is close to a hot gas discharge port of the outdoor unit.
In this embodiment, the air collecting cover 22 collects the hot air at the hot air discharge port of the outdoor unit, and then the hot air is sent into the venturi tube 21 through the negative pressure air suction port of the venturi tube 21 through the pipeline to be mixed with the hot air flow generated by the vortex tube 1, so that the flow rate and the flow velocity of the hot air led to the hot air flow port 3 by the first pipeline are improved, the defrosting effect is improved, and the design effectively recovers the heat in the discharged hot air of the outdoor unit, thereby playing a better role in energy conservation and environmental protection.
In a preferred embodiment, a filter screen 211 is provided at the negative pressure intake port of the venturi tube 21.
In this embodiment, the filter screen 211 can effectively filter the impurities contained in the hot air recovered by the air collection cover 22, so as to ensure that the air entering the refrigerator is relatively fresh and the impurity content is reduced.
In a preferred embodiment, the air-sending device 6 is a fan unit or a blower installed outdoors.
In this embodiment, the fan unit or the blower is adopted to effectively draw the outside air and send the air into the vortex tube 1, and of course, the air delivery device 6 may be replaced by an air compressor or other devices to increase the pressure, flow rate and flow rate of the air.
As a preferred embodiment, the air conditioner further comprises a control system, wherein the control system comprises a controller and a temperature sensor 7 arranged at the evaporator 4, the control valve 5 is an electric control valve, and the controller is electrically connected with the temperature sensor 7, the air delivery device 6 and the control valve 5 respectively.
In the embodiment, when the temperature of the temperature sensor 7 is lower than a set value, the whole defrosting system starts to work, specifically, the controller controls the air conveying device 6 to operate and opens the control valve 5, the air conveying device 6 inputs air to enter the vortex tube 1 to generate hot air flow and cold air flow in the vortex tube 1, the hot air flow enters the hot air flow opening 3 through the first pipeline to defrost, the cold air flow is supplemented to enter the refrigeration house, and the whole system can realize automatic operation through the control system, so that the manual input is reduced, the energy-saving operation cost is saved, the operation is more convenient, and the defrosting efficiency is high.
It should be noted that: the pipeline of the air inlet of the vortex tube 1 is a reducing pipe, namely the sectional area is gradually reduced from the far end to the near end so as to increase the flow velocity and pressure of the gas entering the vortex tube 1 and better generate hot gas flow and cold gas flow.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a freezer defrost system which characterized in that: including vortex tube (1), steam recovery unit (2), hot gas wind gap (3) and air conveyor (6), the delivery outlet of air conveyor (6) with the air inlet intercommunication of vortex tube (1), the air conditioning export of vortex tube (1) lets in the freezer indoor, and its steam outlet is connected through first pipeline hot gas wind gap (3), hot gas wind gap (3) are close to evaporimeter (4) for blow and defrost to indoor evaporimeter (4) of freezer, steam recovery unit (2) intercommunication is in on the first pipeline, it is used for collecting the steam that the off-premises station discharged and assemble extremely in the first pipeline.
2. The freezer defrost system of claim 1, further comprising: and a control valve (5) is arranged at the joint of the hot gas outlet of the vortex tube (1) and the first pipeline.
3. The freezer defrost system of claim 2, wherein: the hot gas recovery device (2) comprises a Venturi tube (21) and a wind collection cover (22), the first pipeline comprises two sections, the gas inlet and the gas outlet of the Venturi tube (21) are connected between the two sections of first pipelines, the negative pressure suction port of the Venturi tube (21) is communicated with the interior of the wind collection cover (22) through a pipeline, and the mouth of the wind collection cover (22) is close to the hot gas discharge port of the outdoor unit.
4. The freezer defrost system of claim 3, wherein: and a filter screen (211) is arranged at the negative pressure suction port of the Venturi tube (21).
5. The freezer defrost system of any one of claims 2 to 4, further comprising: the air conveying device (6) is a fan unit or a blower arranged outdoors.
6. The freezer defrost system of claim 5, wherein: the air conditioner is characterized by further comprising a control system, the control system comprises a controller and a temperature sensor (7) arranged at the evaporator (4), the control valve (5) is an electric control valve, and the controller is electrically connected with the temperature sensor (7), the air conveying device (6) and the control valve (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020029051.8U CN211854596U (en) | 2020-01-08 | 2020-01-08 | Defrosting system of refrigeration house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020029051.8U CN211854596U (en) | 2020-01-08 | 2020-01-08 | Defrosting system of refrigeration house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211854596U true CN211854596U (en) | 2020-11-03 |
Family
ID=73212525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020029051.8U Expired - Fee Related CN211854596U (en) | 2020-01-08 | 2020-01-08 | Defrosting system of refrigeration house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211854596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566388A (en) * | 2021-08-06 | 2021-10-29 | 深圳朴坂科技有限公司 | Power generation device capable of improving energy efficiency ratio of air conditioner |
| CN113983728A (en) * | 2021-10-18 | 2022-01-28 | 珠海格力电器股份有限公司 | Defrosting method, device and equipment for evaporator and temperature adjusting system |
| CN114046624A (en) * | 2021-11-15 | 2022-02-15 | 浙江凯迪制冷设备有限公司 | Air cooler installed outside refrigerator for refrigeration house |
-
2020
- 2020-01-08 CN CN202020029051.8U patent/CN211854596U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566388A (en) * | 2021-08-06 | 2021-10-29 | 深圳朴坂科技有限公司 | Power generation device capable of improving energy efficiency ratio of air conditioner |
| CN113983728A (en) * | 2021-10-18 | 2022-01-28 | 珠海格力电器股份有限公司 | Defrosting method, device and equipment for evaporator and temperature adjusting system |
| CN114046624A (en) * | 2021-11-15 | 2022-02-15 | 浙江凯迪制冷设备有限公司 | Air cooler installed outside refrigerator for refrigeration house |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |