CN218936699U

CN218936699U - Variable-frequency refrigerating unit with low-voltage direct current input

Info

Publication number: CN218936699U
Application number: CN202223098250.2U
Authority: CN
Inventors: 轩动华; 吴伟; 黄聪
Original assignee: Heidun Temperature Control Technology Suzhou Co ltd
Current assignee: Heidun Temperature Control Technology Suzhou Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-28
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a variable frequency refrigerating unit with low-voltage direct current input, which comprises a condenser assembly and an evaporator assembly, wherein the condenser assembly comprises a condenser frame, and the evaporator assembly comprises an evaporator; the condenser assembly further comprises a condensing fan fixedly mounted on the left side and the right side of the inside of the condenser frame, a drying liquid storage tank is fixedly mounted on the left side of the inside of the condenser frame, oil is fixedly mounted on the top of the inside of the condenser frame, and an electric control box is fixedly mounted on the right side of the inside of the condenser frame and located on the right side of the condensing fan. This low pressure direct current input's variable frequency refrigerating unit has integrated compressor, converter, microchannel condenser, and is more convenient during the installation, and safer also more pleasing to the eye during the use, and the unit can directly use the on-vehicle low voltage bottle power supply, utilizes the rotational speed of the adjustable compressor of converter, and the compressor is according to different operating mode variable frequency operation, and control is more reasonable and more energy-conserving.

Description

Variable-frequency refrigerating unit with low-voltage direct current input

Technical Field

The utility model relates to the technical field of variable frequency refrigerating units, in particular to a variable frequency refrigerating unit with low-voltage direct current input.

Background

Cold chain transportation refers to transportation in which the transported goods always maintain a certain temperature in the whole transportation process, regardless of links such as loading, unloading, transporting, changing transportation modes, changing packaging equipment and the like.

Most of conventional units or high-voltage direct current trolley units in the market at present and most of fixed-frequency units adopt a mode of separating and installing a compressor from a cooler, and the installation is complicated, the fixed frequency is not energy-saving, so a low-voltage direct current input variable-frequency refrigerating unit is provided to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a variable frequency refrigerating unit with low-voltage direct current input, which solves the problems of complicated installation and frequency fixing and energy saving.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a variable frequency refrigeration unit with low-voltage direct current input, comprising a condenser assembly and an evaporator assembly, wherein the condenser assembly comprises a condenser frame, and the evaporator assembly comprises an evaporator;

the condenser assembly further comprises a condensing fan fixedly arranged at the left side and the right side of the inside of the condenser frame, a drying liquid storage tank is fixedly arranged at the left side of the inside of the condenser frame, oil is fixedly arranged at the top of the inside of the condenser frame, an electric control box is fixedly arranged at the right side of the inside of the condenser frame and positioned at the right side of the condensing fan, a compressor is fixedly arranged at the right side of the inside of the condenser frame, a frequency converter is fixedly arranged at the top of the right side of the inside of the condenser frame, and a micro-channel condenser is arranged at the back of the inside of the condenser frame;

the evaporator assembly further comprises an expansion valve fixedly arranged on the left side of the evaporator, the left side and the right side of the inside of the evaporator are fixedly provided with evaporation fans, and the right side of the evaporator is fixedly provided with a defrosting electromagnetic valve.

Further, the condenser assembly is assembled to the front of the refrigerator, and the evaporator assembly is installed in the refrigerator.

Further, the frequency converter, the compressor and the condensing fan adopt an integrated mounting structure, and the electric control box adopts an integrated mounting structure.

Further, the compressor is an adjustable speed compressor, and the compressor, the frequency converter and the microchannel condenser are connected through a refrigeration pipeline.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. the variable-frequency refrigerating unit with low-pressure direct current input is characterized in that a condenser assembly and an evaporator assembly are arranged, low-pressure steam of a refrigerant in a refrigerating system is sucked by a compressor and compressed into high-pressure steam and then is discharged to a micro-channel condenser, meanwhile, air sucked by a condensing fan flows through the micro-channel condenser to take away heat released by the refrigerant, so that the high-pressure refrigerant steam is condensed into high-pressure liquid, the high-pressure liquid is sprayed into the evaporator after passing through a throttling device and evaporated under corresponding low pressure, surrounding heat is absorbed, and meanwhile, an evaporating fan enables air to continuously exchange heat through fins of the evaporator and sends the cooled air after heat release into a box body, so that the air in the box body continuously circulates and flows, and the purpose of reducing the temperature is achieved. And the electric control box can compare with the settlement temperature according to the interior actual temperature of fridge, carries out inside logic operation, according to the operating mode, utilizes the rotational speed of converter regulation compressor, reaches frequency conversion control thereby more energy-conserving.

2. This low pressure direct current input's variable frequency refrigerating unit has integrated compressor, converter, microchannel condenser, and is more convenient during the installation, and safer also more pleasing to the eye during the use, the unit can directly use the on-vehicle low voltage electric bottle power supply, and the wiring is simple, and the wiring is pleasing to the eye, in addition, utilizes the rotational speed of the adjustable compressor of converter, and the compressor is according to different operating mode variable frequency operation, and control is more reasonable and more energy-conserving.

Drawings

FIG. 1 is a schematic view of a condenser assembly of the present utility model;

FIG. 2 is a schematic view of an evaporator assembly according to the present utility model.

In the figure: a condenser frame 1, a condensing fan 2, a drying liquid storage tank 3, 4 oil components, a 5 electric control box, a 6 compressor, a 7 frequency converter, an 8 micro-channel condenser, a 9 evaporator, a 10 expansion valve, an 11 evaporating fan and a 12 defrosting electromagnetic valve.

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.

Referring to fig. 1-2, a variable frequency refrigeration unit with low-voltage dc input in this embodiment includes a condenser assembly including a condenser frame 1 and an evaporator assembly including an evaporator 9.

The condenser subassembly still includes fixed mounting in condenser frame 1 inside left and right sides condensing fan 2, the inside left side fixed mounting of condenser frame 1 has dry liquid storage pot 3, the inside top fixed mounting of condenser frame 1 has oil content 4, the inside of condenser frame 1 and the right side fixed mounting who is located condensing fan 2 have electric control box 5, electric control box 5 adopts integrated mounting structure, the inside right side fixed mounting of condenser frame 1 has compressor 6, compressor 6 is adjustable speed compressor, the inside right top fixed mounting of condenser frame 1 has converter 7, compressor 6, condensing fan 2 adopts integral type mounting structure, the inside back of condenser frame 1 is provided with microchannel condenser 8, compressor 6, converter 7 and microchannel condenser 8 pass through the refrigeration piping connection, the condenser subassembly is assembled in the front portion of fridge.

The evaporator assembly further comprises an expansion valve 10 fixedly arranged on the left side of the evaporator 9, an evaporation fan 11 is fixedly arranged on the left side and the right side of the interior of the evaporator 9, a defrosting electromagnetic valve 12 is fixedly arranged on the right side of the evaporator 9, and the evaporator assembly is arranged in the refrigerator.

It should be noted that, this embodiment has integrated compressor 6, converter 7, microchannel condenser 8, and is more convenient during the installation, and safer also more pleasing to the eye during the use, and the unit can directly use the on-vehicle low voltage bottle power supply, and the wiring is simple, and the wiring is pleasing to the eye, in addition, utilizes the rotational speed of the adjustable compressor of converter, and the compressor is according to different operating mode variable frequency operation, and control is more reasonable and more energy-conserving.

The technology is as follows: through setting up condenser subassembly and evaporator assembly, after the air conditioning unit is circular telegram, the low pressure steam of refrigerant in the refrigerating system is inhaled and is compressed into high pressure steam by compressor 6 and is discharged to microchannel condenser 8, simultaneously the air that condensing fan 2 was inhaled flows through microchannel condenser 8, take away the heat that the refrigerant gives off, make high pressure refrigerant steam condense into high pressure liquid, high pressure liquid sprays into evaporator 9 after the throttling arrangement, and evaporate at corresponding low pressure, absorb heat around, simultaneously evaporating fan 11 makes the air constantly carry out the heat exchange through the fin of evaporator 9, and send the air that becomes cold after the heat release into the box, like this the continuous circulation flow of air in the box reaches the purpose of lowering temperature. And the electric control box 5 can compare with the settlement temperature according to the interior actual temperature of fridge, carries out inside logic operation, according to the operating mode, utilizes converter 7 to adjust the rotational speed of compressor 6, reaches frequency conversion control thereby more energy-conserving.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low-voltage direct current input's variable frequency refrigerating unit, includes condenser subassembly and evaporator subassembly, its characterized in that: the condenser assembly comprises a condenser frame (1), the evaporator assembly comprising an evaporator (9);

the condenser assembly further comprises a condensing fan (2) fixedly arranged at the left side and the right side of the inside of the condenser frame (1), a drying liquid storage tank (3) is fixedly arranged at the left side of the inside of the condenser frame (1), oil content (4) is fixedly arranged at the top of the inside of the condenser frame (1), an electric control box (5) is fixedly arranged at the right side of the inside of the condenser frame (1) and positioned at the right side of the condensing fan (2), a compressor (6) is fixedly arranged at the right side of the inside of the condenser frame (1), a frequency converter (7) is fixedly arranged at the top of the right side of the inside of the condenser frame (1), and a micro-channel condenser (8) is arranged at the back of the inside of the condenser frame (1);

the evaporator assembly further comprises an expansion valve (10) fixedly arranged on the left side of the evaporator (9), an evaporation fan (11) is fixedly arranged on the left side and the right side of the inside of the evaporator (9), and a defrosting electromagnetic valve (12) is fixedly arranged on the right side of the evaporator (9).

2. The variable frequency refrigerator set of claim 1, wherein the variable frequency refrigerator set comprises: the condenser assembly is assembled to the front of the refrigerator, and the evaporator assembly is installed in the refrigerator.

3. The variable frequency refrigerator set of claim 1, wherein the variable frequency refrigerator set comprises: the frequency converter (7), the compressor (6) and the condensing fan (2) adopt an integrated mounting structure, and the electric control box (5) adopts an integrated mounting structure.

4. The variable frequency refrigerator set of claim 1, wherein the variable frequency refrigerator set comprises: the compressor (6) is an adjustable speed compressor, and the compressor (6), the frequency converter (7) and the micro-channel condenser (8) are connected through a refrigerating pipeline.