CN219178016U

CN219178016U - Novel integral refrigerating unit

Info

Publication number: CN219178016U
Application number: CN202320414793.6U
Authority: CN
Inventors: 阮长江; 邓奎
Original assignee: Hangzhou Maijiesi Refrigeration Technology Co ltd
Current assignee: Hangzhou Maijiesi Refrigeration Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-06-13
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to refrigerating unit equipment, in particular to a novel integrated refrigerating unit. Including four-door base, condenser, evaporimeter, EPS evaporation tank cover, condensing fan and evaporating fan, EPS evaporation tank cover fixed mounting is in four-door base top, install evaporimeter and evaporating fan in the EPS evaporation tank cover, four-door base below one side sets up the compressor, four-door base below opposite side sets up the condenser, one side that the condenser is close to the compressor sets up condensing fan, one side that the condenser was kept away from to the compressor sets up the temperature controller. The novel integrated refrigerating unit is designed, the refrigerating unit adopts a mode of defrosting with thermal gasification frost as a main part and heating wires as auxiliary parts, and a positive and negative rotation variable speed condensing fan is adopted to adjust along with the change of condensing pressure, so that the condensing temperature is always at a required temperature; the variable speed evaporating fan is adopted to realize constant temperature, so that the practical effect is better.

Description

Novel integral refrigerating unit

Technical Field

The utility model relates to refrigerating unit equipment, in particular to a novel integrated refrigerating unit.

Background

The existing integrated refrigerating unit has the following problems:

1. the existing defrosting mode of the integrated refrigerating unit is that a heating pipe is defrosted, the heating pipe is high in power consumption, uneven in defrosting and not clean in water flow during defrosting, evaporation water flow is easy to be unsmooth after long-term working, a water outlet is frozen and blocked, frost blockage is caused, and finally the temperature of the unit is not pulled down;

2. the existing integrated refrigerating unit condenser is easy to be blocked, and personnel are required to clean the dust of the condenser regularly;

3. the existing integrated refrigerating unit has no self-induction defrosting function, is easy to cause frost blockage and has poor refrigeration;

4. the existing integral refrigerating unit evaporation fan is a constant-rotation-speed fan, and when the box temperature changes, the rotation speed cannot be changed, so that the quick temperature pulling is realized;

5. the existing integral type refrigerator set evaporation box cover is made of EPS, and because of the characteristics of insufficient strength, fragility and larger particle gaps of the EPS, condensed water of an evaporator easily seeps into the EPS evaporation box cover to crack after the refrigerator set works for a long time, and refrigeration cannot be performed;

based on the design, a novel integrated refrigerating unit is designed.

Disclosure of Invention

In view of the shortcomings existing in the background technology, the utility model relates to a novel integrated refrigerating unit, and according to the problems, the novel integrated refrigerating unit is designed, the refrigerating unit adopts a mode of defrosting with thermal gasification frost as a main part and heating wires as auxiliary parts, and a positive and negative speed change condensing fan is adopted to adjust along with the change of condensing pressure, so that the condensing temperature is always at a required temperature; the variable speed evaporating fan is adopted to realize constant temperature, so that the practical effect is better.

The utility model relates to a novel integrated refrigerating unit which comprises a four-door base, a condenser, an evaporator, an EPS evaporation box cover, a condensing fan and an evaporation fan, wherein the EPS evaporation box cover is fixedly arranged above the four-door base, the evaporator and the evaporation fan are arranged in the EPS evaporation box cover, a compressor is arranged on one side below the four-door base, the condenser is arranged on the other side below the four-door base, the condensing fan is arranged on one side, close to the compressor, of the condenser, and a temperature controller is arranged on one side, far away from the condenser, of the compressor.

The beneficial effect of above-mentioned scheme is: the temperature controller is arranged to realize self-induction defrosting.

Further, a flame-retardant plastic shell is arranged on the outer side of the EPS evaporation box cover, and a water-resisting layer is arranged on the inner side of the EPS evaporation box cover.

The beneficial effect of above-mentioned scheme is: the setting of flame retardant plastic shell increases EPS evaporation tank cover intensity, sets up the comdenstion water that the waterproof layer prevented the evaporimeter and oozes into EPS evaporation tank cover, leads to EPS evaporation tank cover fracture, and the disconnection comdenstion water is with EPS evaporation tank cover direct contact.

Further, a high-pressure pipe is further arranged on the four-door base, one end of the high-pressure pipe is connected with the compressor, and the condenser at the other end of the high-pressure pipe is connected.

The beneficial effect of above-mentioned scheme is: the high-pressure pipe is convenient for flowing high-temperature and high-pressure gas.

Further, the condenser and the evaporator are connected through capillary tubes, and a drying filter is arranged between the capillary tubes.

Further, the four-door base is also provided with a gas-liquid separator and an air return pipe, one end of the gas-liquid separator is connected with the evaporator, the other end of the gas-liquid separator is connected with one end of the air return pipe, and the other end of the air return pipe is connected with the compressor.

Further, a solenoid valve is arranged between the compressor and the evaporator, and a heating wire is arranged below the evaporator.

Further, a defrosting pipe is arranged on the outer side of the evaporator.

Further, the condensing fan is a positive-negative conversion speed condensing fan, and the evaporating fan is a variable speed evaporating fan.

The beneficial effect of above-mentioned scheme is: foreign matters and dust on the condenser can be blown by adopting the positive-negative transition speed condensing fan, so that labor is saved, and the phenomenon of dirty blockage is prevented.

Further, the water-resisting layer is made of fiber aluminum foil tape.

The beneficial effects of the utility model are as follows: the positive and negative transition speed condensation fan is adopted to blow the foreign matters and dust on the condenser, so that the manual regular cleaning of the foreign matters and dust on the condenser is saved, and the filth blockage phenomenon is prevented; the automatic induction defrosting function is added, and when the evaporating temperature reaches the set value of the temperature controller, the defrosting function is automatically started; a layer of fiber aluminum foil tape is stuck in the EPS evaporation tank cover to serve as a water-resisting layer, so that condensed water is prevented from directly contacting the EPS evaporation tank cover, and the condensed water is prevented from seeping into the EPS evaporation tank cover.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a plan view of an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an embodiment of the present utility model.

FIG. 3 is a split schematic of an embodiment of the present utility model.

Fig. 4 is a schematic view of the inside of an EPS evaporation tank cover according to an embodiment of the utility model.

Reference numerals: 1. a compressor; 2. a high pressure pipe; 3. a condenser; 4. drying the filter; 5. a capillary tube; 6. an evaporator; 7. an air return pipe; 8. a condensing fan; 9. an evaporation fan; 10. an electromagnetic valve; 11. a defrosting pipe; 12. a heating wire; 13. a four-door base; 14. EPS evaporation bin cover; 15. a flame retardant plastic shell; 16. a gas-liquid separator; 18. a temperature controller; 19. and a water-resistant layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Embodiment 1 of the present utility model is shown with reference to fig. 1, 2, 3 and 4, and includes a four-door base 13, a condenser 3, an evaporator 6, an EPS evaporation box cover 14, a condensing fan 8 and an evaporating fan 9, wherein the EPS evaporation box cover 14 is fixedly installed above the four-door base 13, the evaporator 6 and the evaporating fan 9 are installed in the EPS evaporation box cover 14, a compressor 1 is disposed on one side below the four-door base 13, a condenser 3 is disposed on the other side below the four-door base 13, the condensing fan 8 is disposed on one side, close to the compressor 1, of the condenser 3, and a temperature controller 18 is disposed on one side, far from the condenser 3, of the compressor 1. The condensing fan 8 is a positive-negative conversion speed condensing fan, and the evaporating fan 9 is a variable speed evaporating fan. Foreign matters and dust on the condenser 3 can be blown by adopting the positive-negative transition speed condensation fan 8, so that labor is saved, and the phenomenon of dirty blockage is prevented.

The EPS evaporation tank cover 14 outside sets up fire-retardant plastic casing 15, the EPS evaporation tank cover 14 inboard sets up water barrier 19. The water-resisting layer 19 is made of fiber aluminum foil tape. The provision of the water-blocking layer 19 prevents the condensed water of the evaporator 6 from penetrating into the EPS evaporation tank cover 14, resulting in the EPS evaporation tank cover 14 cracking, and blocks the condensed water from directly contacting the EPS evaporation tank cover 14.

The four-door base 13 is also provided with a high-pressure pipe 2, one end of the high-pressure pipe 2 is connected with the compressor 1, and the other end of the high-pressure pipe 2 is connected with the condenser 3. The high-pressure pipe 2 facilitates inflow of high-temperature and high-pressure gas. The four-door base 13 is also provided with a gas-liquid separator 16 and an air return pipe 7, one end of the gas-liquid separator 16 is connected with the evaporator 6, the other end of the gas-liquid separator 16 is connected with one end of the air return pipe 7, and the other end of the air return pipe 7 is connected with the compressor 1.

The condenser 3 and the evaporator 6 are connected through a capillary tube 5, and a drying filter 4 is arranged between the capillary tubes 5. An electromagnetic valve 10 is further arranged between the compressor 1 and the evaporator 6, a heating wire 12 is arranged below the evaporator 6, a 75W heating wire 12 can be adopted for the heating wire 12 to replace a 500-1000W heating pipe, energy is saved by at least 30% compared with the 500-1000W heating pipe in the prior art, and a defrosting pipe 11 is arranged outside the evaporator 6.

The working principle and the steps of the utility model are as follows:

1. cooling mode:

the electromagnetic valve 10 is closed, the heating wire 12 is not electrified, the compressor 1, the condensing fan 8 and the evaporating fan 9 are electrified and started, the refrigerant is worked by the compressor 1 to become high-temperature high-pressure gas, the high-pressure gas is sent into the condenser 3 through the high-pressure pipe 2 to be condensed into medium-temperature liquid, the medium-temperature medium-pressure liquid is sent into the evaporator 6 to be evaporated into low-temperature gas through the drying filter 4 and the capillary 5, the low-temperature gas returns to the compressor 1 through the gas-liquid separator 16 and the air return pipe 7, the condenser 3 blows a heat source into the air through the condensing fan 8, the evaporator 6 blows cold air into the box through the evaporating fan 9 to perform reciprocating circulation until the temperature in the box is reduced to a set value, and the unit stops working.

2. Defrosting mode:

the evaporation fan 9 is closed, the compressor 1, the condensation fan 8, the electromagnetic valve 10 and the heating wire 12 are electrified, at the moment, the refrigerant is subjected to work by the compressor 1 to become high-temperature and high-pressure gas, hot gas is brought into the evaporator 6 to defrost by the electromagnetic valve 10 and the defrosting pipe 11, and the hot gas returns to the compressor 1 by the gas-liquid separator 16 and the air return pipe 7 to work in a reciprocating cycle until the temperature of the evaporator 6 reaches the defrosting end temperature set by the temperature controller 18, at the moment, the compressor 1 and the condensation fan 8 are closed, the heating wire 12 and the electromagnetic valve 10 are continuously electrified for a plurality of times to heat up to reach the set temperature, the defrosting mode is closed, and defrosting is ended. When the temperature is low or the condensing pressure is insufficient, the condensing fan 8 actively reduces the rotating speed so as to improve the condensing pressure and realize quick defrosting. In order to protect the compressor 1, the refrigerating mode of the unit is started after defrosting is finished for 3 minutes.

When the evaporating temperature reaches-40 ℃, the unit automatically starts a defrosting mode to prevent frost blockage.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel integral type refrigerating unit which characterized in that: including four base (13), condenser (3), evaporimeter (6), EPS evaporation case cover (14), condensing fan (8) and evaporating fan (9), EPS evaporation case cover (14) fixed mounting is in four base (13) top, install evaporimeter (6) and evaporating fan (9) in EPS evaporation case cover (14), four base (13) below one side sets up compressor (1), four base (13) below opposite side sets up condenser (3), one side that condenser (3) are close to compressor (1) sets up condensing fan (8), one side that condenser (3) were kept away from to compressor (1) sets up temperature controller (18).

2. An integrated refrigeration unit as set forth in claim 1 wherein: the EPS evaporation box cover (14) outside sets up fire-retardant plastic casing (15), EPS evaporation box cover (14) inboard sets up water barrier (19).

3. An integrated refrigeration unit as set forth in claim 1 wherein: the four-door type air conditioner is characterized in that a high-pressure pipe (2) is further arranged on the four-door base (13), one end of the high-pressure pipe (2) is connected with the compressor (1), and the condenser (3) at the other end of the high-pressure pipe (2) is connected.

4. An integrated refrigeration unit as set forth in claim 1 wherein: the condenser (3) is connected with the evaporator (6) through a capillary tube (5), and a drying filter (4) is arranged between the capillary tubes (5).

5. An integrated refrigeration unit as set forth in claim 1 wherein: the four-door base (13) is further provided with a gas-liquid separator (16) and an air return pipe (7), one end of the gas-liquid separator (16) is connected with the evaporator (6), the other end of the gas-liquid separator (16) is connected with one end of the air return pipe (7), and the other end of the air return pipe (7) is connected with the compressor (1).

6. An integrated refrigeration unit as set forth in claim 1 wherein: an electromagnetic valve (10) is further arranged between the compressor (1) and the evaporator (6), and a heating wire (12) is arranged below the evaporator (6).

7. An integrated refrigeration unit as set forth in claim 1 wherein: a defrosting pipe (11) is arranged at the outer side of the evaporator (6).

8. An integrated refrigeration unit as set forth in claim 1 wherein: the condensing fan (8) is a positive-negative conversion speed condensing fan, and the evaporating fan (9) is a variable speed evaporating fan.

9. An integrated refrigeration unit as set forth in claim 2 wherein: the water-resisting layer (19) is made of fiber aluminum foil tape.