CN217389325U

CN217389325U - Double-system industrial air-cooled cabinet air-conditioner with outer fan capable of being automatically started and stopped

Info

Publication number: CN217389325U
Application number: CN202221044927.1U
Authority: CN
Inventors: 王瑞锁; 欧双传
Original assignee: Hebei Lanrui Electric Appliance Co ltd
Current assignee: Hebei Lanrui Electric Appliance Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-06
Anticipated expiration: 2032-04-29

Abstract

A dual-system industrial air-cooled cabinet machine with an outer machine fan capable of being automatically started and stopped relates to the technical field of industrial air-cooled cabinet machines, which comprises an inner machine and two outer machines, wherein the inner machine is respectively connected with the two outer machines by virtue of pipelines, a pressure controller is arranged on a pipeline between the inner machine and the outer machines, the inner machine comprises an inner machine shell, an electric box arranged on the inner machine shell, a liquid storage device, a drying filter, an expansion valve, an evaporator and a compressor which are arranged on the inner machine shell and are sequentially connected, the liquid storage device, the drying filter, the expansion valve and the compressor are all arranged in parallel, the outer machines comprise an outer machine shell, a condenser arranged in the outer machine shell and a condensing fan arranged in the outer machine shell, the condensing fan and the condenser are correspondingly arranged, the utility model can automatically control the starting and the stopping of the condensing fan of the outer machine according to the pressure in a refrigerant circulating pipeline, and adopts a dual-system structure, the refrigeration effect is obviously improved.

Description

Double-system industrial air-cooled cabinet air-conditioner with outer fan capable of being automatically started and stopped

Technical Field

The utility model relates to an industry forced air cooling cabinet-type air cooler technical field has specifically been related to but outer quick-witted fan automatic start-stop's dual system industry forced air cooling cabinet-type air cooler.

Background

Generally, high-power heating source electrical elements such as a frequency converter and a transformer are assembled in an electric room, and even in cold winter, the indoor temperature still can maintain a high temperature and an air conditioner is still required to perform cooling treatment.

The compressor compresses gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the gaseous refrigerant is sent to the condenser to be cooled, the cooled liquid refrigerant which is changed into medium-temperature high-pressure liquid refrigerant enters the drying bottle to be filtered and dehumidified, the medium-temperature liquid refrigerant is throttled and decompressed into low-temperature low-pressure gas-liquid mixture (more liquid) through the expansion valve (throttling part), the gas-liquid mixture is vaporized by absorbing heat in air through the evaporator and then returns to the compressor to be compressed continuously, and refrigeration is achieved.

The air conditioner operates and refrigerates in winter, the outdoor temperature is relatively low, the air conditioner belongs to low-temperature refrigeration, the condensing pressure can be greatly reduced at the excessively low temperature, when the condensing pressure is excessively low, the compression ratio of the condensing pressure and the evaporating pressure is easily reduced, when the pressure difference is smaller and smaller, the opening degree of the electronic expansion valve can be reduced, and therefore the quantity of a refrigerant entering an indoor unit is influenced, most of the refrigerant exists in an outdoor unit condenser in a liquid state, the liquid supply quantity to the indoor unit is insufficient, the refrigerant cannot fully circulate in a pipeline of the air conditioner, and the refrigerating effect in winter is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide a but outer quick-witted fan automatic start-stop's dual system industry air-cooled cabinet-type air cooler, according to the pressure in the refrigerant circulating line, the start-stop of the outer quick-witted condensation fan of automatic control adopts dual system structure moreover, is showing and is improving refrigeration effect.

The utility model discloses a technical scheme be, provide a but outer quick-witted fan automatic start-stop's dual system industry air-cooled cabinet-type air conditioner, including interior machine and two outer machines, the interior machine is connected with the help of the pipeline with two outer machines respectively, all be provided with pressure controller on the pipeline between interior machine and the outer machine.

The indoor unit comprises an inner machine shell, an electric box arranged on the inner machine shell, and a liquid storage device, a drying filter, an expansion valve, an evaporator and a compressor which are sequentially connected with the inner machine shell, wherein the liquid storage device, the drying filter, the expansion valve and the compressor are all provided with two parallel connections, the outdoor unit is respectively connected with different compressors and liquid storage devices, and an air outlet is formed in the inner machine shell corresponding to the evaporator.

The outer machine comprises an outer machine shell, a condenser arranged in the outer machine shell and a condensation fan arranged in the outer machine shell, wherein the condensation fan and the condenser are correspondingly arranged, the input end of the condenser is connected with the compressor, the output end of the condenser is connected with the liquid storage device, and the pressure controller is arranged on a pipeline between the condenser and the compressor.

The inner machine further comprises two evaporation fans arranged in the inner machine shell, the two evaporation fans are arranged side by side, the evaporation fans are arranged on the inner upper portion of the inner machine shell, the evaporator is obliquely arranged in the middle of the inner machine shell, and the liquid storage device, the compressor and the electric box are arranged on the bottom of the inner machine shell side by side.

The utility model has the advantages that:

1. a pressure controller is added, a fixed stop pressure value and a start pressure value are set to control the starting and stopping of the outdoor fan to adjust the condensation pressure, and when the outdoor temperature is relatively low and the condensation pressure value is lower than the set pressure value, the outdoor fan stops running; and the condensing pressure rises, when the condensing pressure rises to a value higher than the starting pressure value, the outer fan is started to assist in cooling the condenser, and the condensing pressure is controlled to be maintained at a stable value so as to ensure the normal compression ratio, so that the refrigerant in the air conditioner can be fully circulated, and the refrigeration effect at low temperature in winter is improved.

2. The utility model discloses a dual system structure, two outer machines of an interior machine cooperation, two outer machines can carry out independent condensation and handle and supply with the refrigerant in an evaporimeter simultaneously, guarantee that sufficient refrigerant gets into the evaporimeter, further improve the refrigeration effect under the low temperature winter.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the internal structure of the internal machine;

fig. 3 is a schematic view of the structure of the inner unit in another direction;

fig. 4 is a schematic view of the internal structure of the outdoor unit.

In the attached drawing, the air conditioner comprises a pressure controller 1, a pressure controller 2, an inner machine shell 3, an electric box 4, a liquid storage device 5, a drying filter 6, an expansion valve 7, an evaporator 8, a compressor 9, an outer machine shell 10, a condenser 11, a condensing fan 12 and an evaporating fan.

Detailed Description

As shown in fig. 1-4, the utility model provides a but two system industry air-cooled cabinet air cooler that outer quick-witted fan opened stop automatically, including interior machine and two outer machines, the interior machine respectively with two outer machines with the help of the pipe connection, all be provided with pressure controller 1 on the pipeline between interior machine and the outer machine.

The utility model discloses a dual system industry forced air cooling cabinet-type air cooler, two parallelly connected outer machines of an inner machine add pressure controller on the pipeline between inner machine and outer machine, and pressure controller is connected with the control system electricity of air conditioner, and pressure controller detects the pressure in the refrigerant pipeline, and the control system of air conditioner carries out the automation through the fan of predetermineeing the pressure value to outer machine and opens and stop control.

As shown in fig. 2-3, the internal machine includes an internal casing 2, an electrical box 3 disposed on the internal casing 2, a liquid storage device 4, a drying filter 5, an expansion valve 6, an evaporator 7 and a compressor 8 disposed on the internal casing 2 and connected in sequence, the liquid storage device 4, the drying filter 5, the expansion valve 6 and the compressor 8 are all disposed in parallel, the external machine is connected with different compressors 8 and liquid storage devices 4, and an air outlet is disposed on the internal casing 2 corresponding to the evaporator 7.

Set up an evaporimeter 7 in the indoor set, and reservoir 4, drier-filter 5, expansion valve 6 and compressor 8 are respectively two sets of, adopt different pipe connection between every group, and two 6 output ends of expansion valve then are connected with evaporimeter 7 simultaneously, and 7 output ends of evaporimeter are connected with two compressors 8 respectively, and two outer machines are connected respectively to two compressors 8, and this structure is integrated as an organic whole with two refrigerating system, does not increase original cabinet-type air conditioner volume, increases substantially refrigeration effect.

As shown in fig. 4, the outdoor unit includes an outer casing 9, a condenser 10 disposed in the outer casing 9, and a condensing fan 11 disposed in the outer casing 9, the condensing fan 11 and the condenser 10 are disposed correspondingly, an input end of the condenser 10 is connected to the compressor 8, an output end of the condenser 10 is connected to the liquid storage device 4, and the pressure controller 1 is disposed on a pipeline between the condenser 10 and the compressor 8.

The outdoor unit only needs the condenser 10 and the condensing fan 11, so that the weight and the volume of the outdoor unit are reduced, the outdoor unit is convenient to mount, and particularly the convenience of mounting is greatly improved for high-rise buildings.

As shown in fig. 3, the internal unit further includes two evaporation fans 12 arranged in the internal casing 2, the two evaporation fans 12 are arranged in parallel, the evaporation fans 12 are arranged on the upper portion of the internal casing 2, the evaporator 7 is obliquely arranged on the middle portion of the internal casing 2, and the liquid storage device 4, the compressor 8 and the electric box 3 are arranged on the bottom of the internal casing 2 in parallel.

Two integrated evaporating fans 12 in the interior built-in increase amount of wind for refrigerant vaporization efficiency in the evaporimeter 7 further improves refrigeration effect, and evaporating fans 12 who sets up side by side can guarantee that the wind direction is unified moreover, the condition of turbulent flow can not appear.

Claims

1. The utility model provides a but outer quick-witted fan automatic start-stop's dual system industry forced air cooling cabinet-type air conditioner which characterized in that: the device comprises an inner machine and two outer machines, wherein the inner machine is respectively connected with the two outer machines through pipelines, and pressure controllers (1) are respectively arranged on the pipelines between the inner machine and the outer machines.

2. The double-system industrial air-cooled cabinet air-cooler with the external fan capable of being started and stopped automatically as claimed in claim 1, is characterized in that: the indoor unit comprises an inner casing (2), an electric box (3) of the inner casing (2), a liquid storage device (4), a drying filter (5), an expansion valve (6), an evaporator (7) and a compressor (8), wherein the liquid storage device (4), the drying filter (5), the expansion valve (6) and the compressor (8) are sequentially connected, the outer unit is respectively connected with the different compressor (8) and the liquid storage device (4), and an air outlet is formed in the inner casing (2) corresponding to the evaporator (7).

3. The double-system industrial air-cooled cabinet air-cooler with the external fan capable of being started and stopped automatically as claimed in claim 2, characterized in that: the outer machine comprises an outer machine shell (9), a condenser (10) arranged in the outer machine shell (9) and a condensation fan (11) arranged in the outer machine shell (9), wherein the condensation fan (11) and the condenser (10) are correspondingly arranged, the input end of the condenser (10) is connected with the compressor (8), the output end of the condenser is connected with the liquid storage device (4), and the pressure controller (1) is arranged on a pipeline between the condenser (10) and the compressor (8).

4. The double-system industrial air-cooled cabinet air-cooler with the external fan capable of being started and stopped automatically as claimed in claim 2, characterized in that: the indoor unit further comprises two evaporation fans (12) arranged in the inner case (2) and the two evaporation fans (12) are arranged side by side, the evaporation fans (12) are arranged on the inner upper portion of the inner case (2), the evaporator (7) is obliquely arranged in the middle of the inner case (2), and the liquid storage device (4), the compressor (8) and the electric box (3) are arranged on the inner bottom of the inner case (2) side by side.