CN109682152A - Low-temperature cold store air-cooler defrosting deicer - Google Patents
Low-temperature cold store air-cooler defrosting deicer Download PDFInfo
- Publication number
- CN109682152A CN109682152A CN201811541225.2A CN201811541225A CN109682152A CN 109682152 A CN109682152 A CN 109682152A CN 201811541225 A CN201811541225 A CN 201811541225A CN 109682152 A CN109682152 A CN 109682152A
- Authority
- CN
- China
- Prior art keywords
- air duct
- air
- cooler
- defrosting
- evaporator
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/065—Removing frost by mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The present invention relates to a kind of low-temperature cold store air-cooler defrosting deicers, the air-cooler includes evaporator, the air duct with evaporator sealed connection, center is equipped with cold wind motor in air duct, the defrosting deicer includes the slab that removes that can move axially and scrape defrosting along air duct, temperature sensor and pressure sensor are equipped in air duct, air duct and evaporator junction are equipped with adjuster, temperature sensor and pressure sensor are connected with adjuster respectively, and adjuster is according to the received temperature of institute, pressure signal control except the mobile deicing defrosting of slab.The configuration of the present invention is simple can carry out in due course defrosting deicing to air-cooler automatically, accelerate frost and melt speed, improve the heat transfer coefficient and working efficiency of cold wind machine heat exchanger, effect stability is reliable and high-efficient.
Description
Technical field
The present invention relates to freezer air-cooler technical field, especially a kind of low-temperature cold store air-cooler defrosting deicer.
Background technique
With the economic sustained and rapid development in China, living standards of the people are significantly improved, and the construction of domestic cryogenic refrigeration is in recent years
It is next fast-developing, and gradually tend to be mature.In order to meet resident to the diversification of agricultural product, freshness, extend shelf life of products,
The seasonal effect etc. for adjusting product requires, and the construction of freezer is more and more, at the same time, the food-safe concern of people and low
Warm air-cooler defrosting (ice) problem is also growing day by day.
Due to the presence of vapor in freezer, under normal circumstances, when cold storehouse temperature is lower than 0 DEG C, the water in air steams
Gas meeting generating state variation, becomes liquid water from gaseous state and becomes solid ice again.When defrosting or deicing, due to the presence of wind speed, water
Drop can generally accumulate in the lower part of air-cooler air duct in dropping process, since cold storehouse temperature is lower, if shipwreck is to flow out
It goes to will appear icing phenomenon, not deicing for a long time then the more can tie the more thick, and ice is possible to for the fan blade of air-cooler being frozen in air duct
Together, when being again started up the motor of air-cooler, motor can be stuck, if not taking power-off measure at once, can burn this
Motor.Especially when environment temperature is lower than -10 DEG C, evaporator cannot improve always well except ice problem.As not in time
Effective deicing, the refrigerant flow in the heat exchanger tube of evaporator are gradually reduced, and seriously affect cold storage refrigerating system in setting situation
Under stable operation, and heat exchange pipe external surface also due to freeze and make draught area reduce, flow resistance increase, in very great Cheng
The operation of system is affected on degree.
Currently, the method that domestic processing freezer air-cooler freezes is mainly by following several:
(1) general freezer can all have the function of heating wire defrost, and air-cooler can be evaporated by directly initiating electric heating wire
Frost (ice) above.
(2) it just can only first be rushed with water without automatic defrosting ice-melting function, but in this way be the way of short time, with water deicing
It only can be increasingly severe.
(3) air curtain is installed additional on the door of refrigerator, it is possible to reduce freezer and outside air carry out convection current, keep freezer
It is air-dried and just reduces the case where freezing.
(4) glue curtain is installed additional to freezer, on the one hand can be to avoid cool air leakage when carrying thing, another aspect outside
Wet air is also come in fewer, makes air-cooler frosting (ice) improving situation.
There are following Railway Projects for above deicing defrosting: (1) simple to take electrical heating deicing power consumption big and additional
Library internal loading is increased, the waste of secondary energy sources is caused；(2) defroster, which is not controlled effectively, leads to low efficiency；(3)
Water defrosting is palliative, and the short time a little acts on, for a long time can be increasingly severe；Air curtain or glue are installed additional to freezer
Curtain, it is little to defrosting (ice) effect, it influences little.
Summary of the invention
The technical problem to be solved by the present invention is the present invention provides a kind of automatic in order to overcome the deficiencies in the existing technology
The higher low-temperature cold store air-cooler defrosting deicer of change degree.
The technical solution adopted by the present invention to solve the technical problems is: a kind of low-temperature cold store air-cooler defrosting deicing dress
It sets, the air-cooler includes evaporator, the air duct with evaporator sealed connection, and center is equipped with cold wind motor in air duct,
The defrosting deicer include can be moved axially along air duct and scrape defrosting be equipped with except slab, in air duct temperature sensor and
Pressure sensor, air duct and evaporator junction are equipped with adjuster, temperature sensor and pressure sensor respectively with adjuster
It is connected, adjuster removes the mobile deicing of slab according to the received temperature of institute, pressure signal control and defrosts.
Specifically, the air duct rear end is equipped with the direct current generator by adjuster control starting, except slab is connected with spiral shell
Bar, direct current generator output shaft are connected with direction converter, and direction converter is connect by connecting rod with screw drive, to save peace
Space is filled,
For the water that deicing defrosting generates is discharged in time, it is equipped with drip tray below the evaporator, water receiving disk center is equipped with
The discharge outlet of the water of deicing defrostingization is discharged.
For the water flow generated to prevent deicing from defrosting to evaporator, the air duct is interior between cold wind motor and evaporator
Equipped with water fender.
To prevent from causing icing frosting in air duct serious under something unexpected happened, the air duct inner wall bottom is fixed with
Several electric heating tubes, air duct rear end are connected with light air pipe fitting.
The beneficial effects of the present invention are: the configuration of the present invention is simple, can carry out in due course defrosting deicing to air-cooler automatically, add
Fast frost melts speed, improves the heat transfer coefficient of heat exchanger and the working efficiency of refrigerating plant, and effect stability is reliable and efficiency
It is high.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is planar structure schematic diagram of the invention；
Fig. 2 is left view of the invention.
Fig. 3 is circuit diagram of the invention.
Fig. 4 is control principle drawing of the invention.
In figure: 1. air duct, 2. fin, 3. water fender, 4. light air pipe fitting, 5. drip tray, 6. cold wind motor 7.
12. connecting rod of electric heating tube 8. evaporator, 9. discharge outlet, 10. screw rod, 11. direct current generator, 13. direction converter
14. removing 15. temperature sensor of slab, 16. pressure sensor, 17. adjuster
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
A kind of low-temperature cold store air-cooler as shown in Figure 1 and Figure 2 defrosts deicer, the air-cooler include evaporator 8,
The air duct 1 being tightly connected with evaporator 8, the evaporator 8 have heat exchanger tube and fin 2, are equipped with drip tray below evaporator 8
5,5 center of drip tray is equipped with the discharge outlet 9 of the water of discharge deicing defrostingization, and center is equipped with cold wind motor in air duct 1
6, water fender 3 is equipped between cold wind motor 6 and evaporator 8,
The defrosting deicer include can be moved axially along air duct 1 and scrape defrosting except slab 14, be equipped in air duct 1
Temperature sensor 15 and pressure sensor 16, air duct 1 and 8 junction of evaporator are equipped with adjuster 17,15 He of temperature sensor
Pressure sensor 16 is connected with adjuster 17 respectively, and adjuster 17 removes slab 14 according to the received temperature of institute, pressure signal control
Mobile deicing defrosting.
Specifically, 1 rear end of air duct is equipped with the direct current generator 11 by the control starting of adjuster 17, except slab 14 connects
It is connected to screw rod 10, is cased with spring outside on screw rod 10,11 output shaft of direct current generator is connected with direction converter 13, direction converter 13
It is sequentially connected by connecting rod 12 and screw rod 10.Direct current generator 11 is that screw rod 10 provides power when deicing, and driving is transported except slab 14
Row carries out defrosting deicing.At the end of deicing defrosts, the spring of housing is in tensional state on screw rod 10, at this time in spring tension
Under effect, except slab 14 is restored to original position, in the presence of detecting rime ice again, then repeat the above process.
The 1 inner wall bottom of air duct is fixed with several electric heating tubes 7, and 1 rear end of air duct is connected with light air pipe fitting 4.Such as
Fruit direct current generator 11 or other component break down, then start electric heating tube 7 and carry out defrosting deicing, prevent in something unexpected happened
Under cause icing frosting in air duct 1 serious.
When deicing defrosts, by temperature sensor 15 and pressure sensor 16 to the temperature and pressure of 1 frosting icing area of air duct
The detection of power, according to result detected to icing frost thickness and speed data analyzed and judged, when judging result is
Frost thickness and speed values are greater than or equal to preset value, as shown in figure 4, this is adjusted to negative-feedback regu- lation, temperature sensing
Temperature signal and pressure signal are compared by device 15 with pressure sensor 16 with default value, the signal that will be obtained more afterwards
It is transmitted to adjuster 17, adjuster 17 issues signal and passes to controlled plant i.e. direct current generator 11, then starts the driving of direct current generator 11
Except slab 14 is mobile forward (8 direction of evaporator), rime ice is shifted onto drip tray 5, to be discharged with water from discharge outlet 9.
As shown in figure 3, starting switch S2 in the presence of having detected white (ice), switch S1 is disconnected, starts direct current generator 11
It pushes except slab 14 carries out deicing defrosting；When direct current generator 11 or other components break down, then switch S2 is disconnected, is started
Switch S1, starting electric heating tube 7 carry out deicing defrosting.
The present invention is outer on screw rod 10 to be cased with spring, only needs 11 unidirectional drive of direct current generator except before slab 14 in this way
It moves, and except the reply of slab 14 is then acted on by the elastic force of spring, this not only reduces 11 working times of direct current generator, improve
11 service life of direct current generator, and energy saving, energy-saving and emission-reduction.
Defrosting deicer is integrally provided in the lower section of air duct 1, not will increase air duct local resistance and on-way resistance, also not
The original air quantity of cold wind motor 6 can be reduced.
Since the driving power of defrosting deicer is power supply, and temperature sensor 15 and pressure sensor are used
16, convenient for may be implemented remotely to detect and control, facilitating operation in conjunction with internet.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
- The deicer 1. a kind of low-temperature cold store air-cooler defrosts, the air-cooler include that evaporator (8) and evaporator (8) seal The air duct (1) of connection, air duct (1) interior center are equipped with cold wind motor (6), it is characterized in that: the defrosting deicer packet Include can be moved axially along air duct (1) and scrape defrosting except slab (14), temperature sensor (15) and pressure are equipped in air duct (1) Sensor (16), air duct (1) and evaporator (8) junction are equipped with adjuster (17), temperature sensor (15) and pressure sensing Device (16) is connected with adjuster (17) respectively, and adjuster (17) removes slab (14) according to the received temperature of institute, pressure signal control Mobile deicing defrosting.
- The deicer 2. low-temperature cold store air-cooler as described in claim 1 defrosts, it is characterized in that: described air duct (1) rear end Equipped with the direct current generator (11) by adjuster (17) control starting, except slab (14) are connected with screw rod (10), direct current generator (11) output shaft is connected with direction converter (13), and direction converter (13) is connected by connecting rod (12) and screw rod (10) transmission It connects.
- The deicer 3. low-temperature cold store air-cooler as described in claim 1 defrosts, it is characterized in that: under the evaporator (8) Side is equipped with drip tray (5), and drip tray (5) center is equipped with the discharge outlet (9) of the water of discharge deicing defrostingization.
- The deicer 4. low-temperature cold store air-cooler as described in claim 1 defrosts, it is characterized in that: described air duct (1) the interior position Water fender (3) are equipped between cold wind motor (6) and evaporator (8).
- The deicer 5. low-temperature cold store air-cooler as described in claim 1 defrosts, it is characterized in that: described air duct (1) inner wall Bottom is fixed with several electric heating tubes (7), and air duct (1) rear end is connected with light air pipe fitting (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541225.2A CN109682152A (en) | 2018-12-17 | 2018-12-17 | Low-temperature cold store air-cooler defrosting deicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541225.2A CN109682152A (en) | 2018-12-17 | 2018-12-17 | Low-temperature cold store air-cooler defrosting deicer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109682152A true CN109682152A (en) | 2019-04-26 |
Family
ID=66186115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811541225.2A Pending CN109682152A (en) | 2018-12-17 | 2018-12-17 | Low-temperature cold store air-cooler defrosting deicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109682152A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201074941Y (en) * | 2007-08-21 | 2008-06-18 | 王文贺 | Mechanical defrosting structure of evaporator |
| CN201569228U (en) * | 2009-07-26 | 2010-09-01 | 王文贺 | Mechanical defrosting structure of aluminum alloy finned evaporator |
| CN201688635U (en) * | 2010-04-30 | 2010-12-29 | 董雨 | Defrosting mechanism of evaporator |
| CN105135792A (en) * | 2015-09-29 | 2015-12-09 | 天津市傲绿农副产品集团股份有限公司 | Air cooler capable of realizing internal defrosting |
| WO2016010220A1 (en) * | 2014-07-18 | 2016-01-21 | 삼성전자주식회사 | Cooling device and method for controlling same |
| CN107940839A (en) * | 2017-11-16 | 2018-04-20 | 珠海格力电器股份有限公司 | Defrosting device for heat pump air conditioner and control method thereof |
| CN108266951A (en) * | 2018-01-02 | 2018-07-10 | 中科美菱低温科技股份有限公司 | A kind of method that ultralow temperature equipment ice blocks up intelligent diagnostics |
-
2018
- 2018-12-17 CN CN201811541225.2A patent/CN109682152A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201074941Y (en) * | 2007-08-21 | 2008-06-18 | 王文贺 | Mechanical defrosting structure of evaporator |
| CN201569228U (en) * | 2009-07-26 | 2010-09-01 | 王文贺 | Mechanical defrosting structure of aluminum alloy finned evaporator |
| CN201688635U (en) * | 2010-04-30 | 2010-12-29 | 董雨 | Defrosting mechanism of evaporator |
| WO2016010220A1 (en) * | 2014-07-18 | 2016-01-21 | 삼성전자주식회사 | Cooling device and method for controlling same |
| CN105135792A (en) * | 2015-09-29 | 2015-12-09 | 天津市傲绿农副产品集团股份有限公司 | Air cooler capable of realizing internal defrosting |
| CN107940839A (en) * | 2017-11-16 | 2018-04-20 | 珠海格力电器股份有限公司 | Defrosting device for heat pump air conditioner and control method thereof |
| CN108266951A (en) * | 2018-01-02 | 2018-07-10 | 中科美菱低温科技股份有限公司 | A kind of method that ultralow temperature equipment ice blocks up intelligent diagnostics |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |