CN218495500U

CN218495500U - Frequency conversion frostless constant temperature freezer

Info

Publication number: CN218495500U
Application number: CN202222724574.6U
Authority: CN
Inventors: 唐福辉
Original assignee: Guangzhou Sunlead Energy Saving Technology Co ltd
Current assignee: Guangzhou Sunlead Energy Saving Technology Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-02-17
Anticipated expiration: 2032-10-15

Abstract

The utility model belongs to the technical field of the freezer, especially, frequency conversion frostless constant temperature freezer can not satisfy high-end customer's demand to current conventional freezer, especially needs that the constancy of temperature preserves such as meat to most freezers all with the electrical heating defrosting, does not have the problem of considering in the angle of mechanism, the defrosting energy comprehensive utilization of frosting, now proposes following scheme, and it includes the freezer body, the inside fixedly connected with installing frame of freezer body, the inside fixedly connected with of installing frame returns the type frame, the inside fixedly connected with frequency conversion compressor of type frame returns, the utility model discloses when freezer current temperature is less than the user's temperature, need not stop the cooling and open and stop the mode of duty cycle with the adjustment steam bypass valve, adjust evaporating pressure to reach stable evaporating temperature, constant temperature effect, be particularly suitable for the constant temperature requirement of meat storage.

Description

Frequency conversion frostless constant temperature freezer

Technical Field

The utility model relates to a freezer technical field especially relates to a frostless constant temperature freezer of frequency conversion.

Background

The refrigerator is also called as a freezer, is equipment for preserving food and other articles at low temperature, has two differences of household use and commercial use, is applied to restaurants, water bars, food processing, supermarkets and the like, and further promotes the demand of the domestic cold chain industry due to epidemic situations.

In the prior art, the conventional refrigerator can not meet the requirements of high-end customers, particularly meet the requirements of meat and the like for constant temperature preservation, most refrigerators are defrosted by electric heating, and the defrosting principle and the defrosting energy comprehensive utilization are not considered, so that the frequency conversion frostless constant-temperature refrigerator is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the conventional freezer and can not satisfying high-end customer's demand, especially meat etc. require the demand that the constancy of temperature was preserved to the vast majority of freezers are all defrosted with the electrical heating, do not have the shortcoming of considering in the angle of mechanism, the defrosting energy comprehensive utilization of frosting, and the frostless constant temperature freezer of frequency conversion that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a frostless constant temperature freezer of frequency conversion, includes the freezer body, the inside fixedly connected with installing frame of freezer body, the inside fixedly connected with of installing frame returns the type frame, the inside fixedly connected with frequency conversion compressor of returning the type frame, the fixed intercommunication of outer wall of frequency conversion compressor has two connecting pipes, and the one end of two connecting pipes is fixed respectively and is intercommunicated to have vapour and liquid separator and condenser, and the outer wall fixed mounting of one of them connecting pipe has low pressure sensor, and the outer wall fixed intercommunication of another connecting pipe has the pipe, the outer wall fixed mounting of pipe has the steam bypass valve, vapour and liquid separator's fixed intercommunication of outer wall has first fixed pipe, the fixed intercommunication of one end of condenser has the reservoir, the fixed intercommunication of outer wall of reservoir has the fixed pipe of second, defrosting mechanism is installed to the outer wall of returning the type frame.

Preferably, the defrosting mechanism includes the evaporimeter, the one end of pipe and the fixed outer wall intercommunication of the fixed pipe of second, the outer wall fixed mounting of the fixed pipe of second has electronic expansion valve, the top fixedly connected with mounting panel of type frame returns, the top fixedly connected with equipment frame of mounting panel, the inner wall of equipment frame and the outer wall fixed connection of evaporimeter, the one end of the fixed pipe of first fixed pipe and second all with the fixed intercommunication of outer wall of evaporimeter, a plurality of evaporating fan of inside fixedly connected with of equipment frame.

Preferably, the inside fixedly connected with condensing box of returning the type frame, the condenser is located the condensing box, and the refrigerant gets into the condenser, cools off through the condenser.

Preferably, the inside of the condensing box is fixedly connected with a condensing fan.

Preferably, a plurality of through-holes have evenly been seted up to the outer wall of installing frame, freezer body and equipment frame.

Preferably, the outer wall of the first fixed pipe and the outer wall of the second fixed pipe are both fixedly provided with temperature sensors, and the temperature of the first fixed pipe and the temperature of the second fixed pipe are detected at any time by arranging the temperature sensors.

Preferably, the controller is fixedly installed inside the clip frame, and the temperature acquisition module, the liquid crystal display module, the single chip intelligent control module and the output control module are fixedly installed inside the controller.

Compared with the prior art, the utility model has the advantages of:

this scheme is when freezer cold load is little, automatically, reduce compressor operating frequency, reduce the refrigeration volume and supply with, thereby reduce the power consumption of whole device, when freezer current temperature is less than user's temperature, need not stop the cooling and with the mode of adjusting the duty cycle between steam bypass valve opening and the stop, adjust evaporating pressure, thereby reach stable evaporating temperature, the constant temperature effect, the constant temperature requirement of especially adapted meat storage, solved cold bright meat because storage temperature fluctuates greatly and the storage cycle is short even rotten trade difficult problem, it is low excessively when detecting evaporimeter subassembly heat transfer difference in temperature, then adjust the duty cycle between opening and stopping of steam bypass valve, avoid the evaporimeter heat transfer difference in temperature big and lead to quick frosting.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a variable-frequency frostless constant-temperature freezer provided by the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a variable-frequency frostless constant-temperature freezer provided by the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 of the variable frequency frostless constant temperature freezer provided by the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the frequency conversion frostless constant temperature refrigerator provided by the utility model.

In the figure: 1. a refrigerator body; 2. installing a frame; 3. a frame is shaped in a shape of a Chinese character hui; 4. a variable frequency compressor; 5. a gas-liquid separator; 6. a low pressure sensor; 7. a condenser tank; 8. a condenser; 9. a condensing fan; 10. a conduit; 11. a hot gas bypass valve; 12. a first stationary tube; 13. a reservoir; 14. a second stationary tube; 15. an electronic expansion valve; 16. mounting a plate; 17. an equipment frame; 18. an evaporator; 19. an evaporation fan; 20. and a controller.

Detailed Description

As shown in fig. 1-4, a variable frequency frostless constant temperature freezer is provided, which comprises a freezer body 1, an installation frame 2 is fixedly connected inside the freezer body 1, a loop frame 3 is fixedly connected inside the installation frame 2, a condensation box 7 is fixedly connected inside the loop frame 3, a condenser 8 is located inside the condensation box 7, a variable frequency compressor 4 is fixedly connected inside the loop frame 3, the variable frequency compressor 4 has sufficient refrigeration capacity under different ambient temperature and humidity conditions through adjustment of operating frequency, two connecting pipes are fixedly communicated with the outer wall of the variable frequency compressor 4, one end of each of the two connecting pipes is respectively and fixedly communicated with a gas-liquid separator 5 and the condenser 8, a condensation fan 9 is fixedly connected inside the condensation box 7, a low-pressure sensor 6 is fixedly installed on the outer wall of one of the connecting pipes, a conduit 10 is fixedly communicated with the outer wall of the other connecting pipe, a bypass valve 11 is fixedly installed on the outer wall of the conduit 10, the duty ratio of opening and closing of the hot gas bypass valve 11 is communicated with the hot gas bypass valve, rapid frosting caused by large temperature difference of the evaporator 18 is avoided, a first fixed and communicated with a first fixed pipe 12 on the outer wall of the liquid accumulator 12 of the outer wall of the gas-liquid separator 5, a liquid accumulator 13 is fixed on one end of the condenser 8, a second hot gas bypass pipe 14 is fixed with a second fixed on the outer wall of the loop frame 3, and a defrosting mechanism 14.

As shown in fig. 1-3, the defrosting mechanism includes an evaporator 18, a mounting frame 2, a plurality of through holes are uniformly formed in outer walls of the refrigerator body 1 and the equipment frame 17, one end of a conduit 10 is fixedly communicated with an outer wall of a second fixed pipe 14, temperature sensors are fixedly mounted on outer walls of the first fixed pipe 12 and the second fixed pipe 14, the temperature sensors detect and monitor temperatures of the first fixed pipe 12 and the second fixed pipe 14 at any time, and feed back data to the controller 20, an electronic expansion valve 15 is fixedly mounted on an outer wall of the second fixed pipe 14, a mounting plate 16 is fixedly connected to a top of the return type frame 3, an equipment frame 17 is fixedly connected to a top of the mounting plate 16, an inner wall of the equipment frame 17 is fixedly connected to an outer wall of the evaporator 18, one ends of the first fixed pipe 12 and the second fixed pipe 14 are fixedly communicated with an outer wall of the evaporator 18, a plurality of evaporation fans 19 are fixedly connected to an inside of the equipment frame 17, a controller 20 is fixedly mounted inside of the return type frame 3, a temperature acquisition module, a single chip microcomputer, an intelligent control module and an output control module 20, and a refrigeration effect is achieved according to a set temperature data feedback effect of a user, and a continuous refrigeration effect is achieved by the controller 20.

The working principle is as follows: when the refrigerator is used, the opening and closing duty ratio of the hot gas bypass valve 11 is adjusted, the inlet temperature of the evaporator 18 and the outlet temperature of the evaporator 18 cannot be too low, the constant temperature effect is further guaranteed, the refrigerating capacity is adjusted, the defect of large fluctuation of the temperature of the refrigerator is avoided, the heat exchange temperature difference between the evaporator 18 and the evaporation fan 19 is small by adjusting the opening degree of the electronic expansion valve 15, the evaporator 18 is less frosted in the same temperature and humidity environment, the heat exchange temperature difference of the evaporator 18 in a low temperature area is improved by adjusting the opening and closing duty ratio of the hot gas bypass valve 11, the heat exchange temperature difference of the evaporator 18 is further small, the evaporator is also less frosted in the same temperature and humidity environment, the hot gas defrosting function is achieved, the phenomenon that the evaporator 18 and the evaporation fan 19 are frosted or even frozen due to faults of other parts is avoided, the two functions of constant temperature refrigeration and frost-free refrigeration are achieved, the hot gas defrosting function is considered, the reliability is greatly improved, and the refrigerator has strong practicability.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a frostless constant temperature freezer of frequency conversion, includes freezer body (1), its characterized in that, the inside fixedly connected with installing frame (2) of freezer body (1), the inside fixedly connected with of installing frame (2) returns type frame (3), the inside fixedly connected with frequency conversion compressor (4) of returning type frame (3), the outer wall fixed intercommunication of frequency conversion compressor (4) has two connecting pipes, and the one end of two connecting pipes is fixed intercommunication respectively has vapour and liquid separator (5) and condenser (8), and the outer wall fixed mounting of one of them connecting pipe has low pressure force transducer (6), and the outer wall fixed intercommunication of another connecting pipe has pipe (10), the outer wall fixed mounting of pipe (10) has steam bypass valve (11), the outer wall fixed intercommunication of vapour and liquid separator (5) has first fixed pipe (12), the one end fixed intercommunication of condenser (8) has reservoir (13), the outer wall fixed intercommunication of reservoir (13) has second fixed pipe (14), it installs defrosting mechanism to return the outer wall of type frame (3).

2. The variable-frequency frostless constant-temperature refrigerator of claim 1, wherein the defrosting mechanism comprises an evaporator (18), one end of the conduit (10) is fixedly communicated with the outer wall of the second fixed pipe (14), an electronic expansion valve (15) is fixedly installed on the outer wall of the second fixed pipe (14), a mounting plate (16) is fixedly connected to the top of the return frame (3), an equipment frame (17) is fixedly connected to the top of the mounting plate (16), the inner wall of the equipment frame (17) is fixedly connected to the outer wall of the evaporator (18), one ends of the first fixed pipe (12) and the second fixed pipe (14) are fixedly communicated with the outer wall of the evaporator (18), and a plurality of evaporation fans (19) are fixedly connected to the inside of the equipment frame (17).

3. The variable-frequency frostless constant-temperature refrigerator according to claim 1, wherein a condensation box (7) is fixedly connected to the inside of the frame (3), and the condenser (8) is located in the condensation box (7).

4. The variable-frequency frostless constant-temperature refrigerator according to claim 3, characterized in that a condensing fan (9) is fixedly connected inside the condensing box (7).

5. The frequency conversion frostless constant temperature refrigerator of claim 2, characterized in that, a plurality of through holes are evenly opened on the outer wall of the mounting frame (2), the refrigerator body (1) and the equipment frame (17).

6. The frequency conversion frostless constant temperature refrigerator of claim 1, wherein the outer walls of the first fixed pipe (12) and the second fixed pipe (14) are both fixedly provided with temperature sensors.

7. The frequency conversion frostless constant temperature refrigerator of claim 1, wherein, the inside fixed mounting of the frame (3) has a controller (20), the inside fixed mounting of the controller (20) has a temperature acquisition module, a liquid crystal display module, a single chip intelligent control module and an output control module.