CN218763731U - Full frequency conversion air-cooled module machine - Google Patents

Abstract

The utility model discloses a full frequency conversion forced air cooling module machine belongs to air conditioner control technical field, including condenser module and evaporimeter module, the condenser module passes through medium pipeline with the evaporimeter module and forms circulation circuit, the condenser module is air-cooled finned heat exchanger, the cooperation of air-cooled finned heat exchanger has frequency conversion axial fan, just the evaporimeter module is including the one-level evaporimeter and the second grade evaporimeter of establishing ties, the second grade evaporimeter is located the operational environment of air-cooled finned heat exchanger is peripheral. The full-variable-frequency air-cooling modular machine can reduce the air temperature around the condenser module by using the secondary evaporator when refrigerating in summer, thereby effectively reducing the condensation temperature of the unit by using lower ambient temperature, reducing the power consumption of the variable-frequency compressor, increasing the COP value of the energy efficiency ratio, effectively preventing the heat supply fluctuation of the unit caused by defrosting when heating in winter, and ensuring the stable operation of a heat supply system.

Description

Full frequency conversion air-cooled module machine

Technical Field

The utility model belongs to the technical field of air conditioner control, especially, relate to a full frequency conversion forced air cooling module machine.

Background

The air-cooled modular unit is a central air-conditioning unit which takes air as a cold (heat) source and water as a cold (heat) supply medium. The existing traditional air-cooled modular cold water (heat pump) unit has the advantages of summer refrigeration, winter heat supply, simple structure and small occupied area of single equipment, but the compressor and the axial flow fan of the unit are controlled in a fixed frequency mode, the adjusting capacity is limited, and the cold/heat quantity provided by the equipment cannot be matched with the tail end requirement in real time. Specifically, when the provided cold/heat is larger than the terminal requirement, energy waste is caused, and when the provided cold/heat is smaller than the terminal requirement, the indoor use requirement cannot be met.

Therefore, a full-frequency conversion air-cooling module machine is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art, traditional air-cooled modular cooling water (heat pump) unit is when using, and regulating power is limited, leads to the cold volume/heat that equipment provided and the problem that terminal demand can not accomplish real-time matching, and the air-cooled module machine of a full frequency conversion that provides.

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

the utility model provides a full frequency conversion forced air cooling module machine, includes condenser module and evaporimeter module, the condenser module passes through the medium pipeline with the evaporimeter module and forms circulation circuit, the condenser module is air-cooled finned heat exchanger, air-cooled finned heat exchanger cooperation has frequency conversion axial fan, just the evaporimeter module is including the one-level evaporimeter and the second grade evaporimeter of establishing ties, the second grade evaporimeter is located the operational environment of air-cooled finned heat exchanger is peripheral.

Through the technical scheme, the air temperature around the condenser module can be reduced by using the secondary evaporator when refrigerating in summer, so that the condensing temperature of the unit can be effectively reduced by using lower ambient temperature, the power consumption of the variable frequency compressor is reduced, the COP value of the energy efficiency ratio is increased, and when heating in winter, the heat supply fluctuation of the unit caused by defrosting can be effectively prevented, and the stable operation of a heat supply system is ensured.

As a further preferable scheme, the condenser module and the evaporator module are jointly electrically connected with a refrigeration and heating control system.

Through the technical scheme, the control and use can be performed through the refrigeration and heating control system.

As a further preferable scheme, an expansion valve is installed on a medium pipeline for connecting the secondary evaporator and the air-cooled finned heat exchanger.

Through the technical scheme, the medium in the medium pipeline can be regulated and controlled through the expansion valve, and the functions of throttling, pressure regulating, flow control, superheat degree control and the like are realized.

As a further preferred scheme, one end of the air-cooled finned heat exchanger, which is far away from the expansion valve, is connected with a four-way reversing valve, one end of the four-way reversing valve is connected with a compressor module, and the compressor module adopts a variable frequency compressor.

Through above-mentioned technical scheme, adopt inverter compressor, for traditional compressor module, accommodation is wider.

As a further preferable scheme, the variable frequency compressor is connected with a gas-liquid separator, and the gas-liquid separator is connected to the other end of the four-way reversing valve and then connected with the primary evaporator.

Through above-mentioned technical scheme, form cold and hot circulation.

As a further preferable scheme, the medium pipeline for circulation between the condenser module and the evaporator module is a water pipe.

Through the technical scheme, water is used as a cold/heat supply medium.

As a further preferable scheme, the first-stage evaporator and the second-stage evaporator are evaporators for water-fluorine heat exchange application.

Through above-mentioned technical scheme, the one-level evaporimeter reaches the cooling effect with the second grade evaporimeter accessible to the medium evaporation heat absorption.

As a further preferable scheme, a filter is connected to the medium pipeline.

Through the technical scheme, the water quality condition can be improved through the filter, so that the evaporator module can be prevented from being dirty and blocked.

To sum up, the utility model discloses a technological effect and advantage:

this full frequency conversion air-cooled module machine, when refrigerating in summer, the peripheral air temperature of condenser module can be reduced in setting up of accessible second grade evaporimeter to utilize lower ambient temperature to effectively reduce unit condensation temperature, make frequency conversion compressor's consumption reduce, the efficiency ratio COP value rises, and when heating in winter, can effectively prevent that the unit from fluctuating because of the system heat supply that the defrosting arouses, guarantees heating system's steady operation.

This full frequency conversion forced air cooling module machine adopts frequency conversion compressor and frequency conversion axial fan's cooperation, for traditional forced air cooling module machine, when this application can satisfy terminal demand to adjust in real time according to the change of terminal load, and the control range is wide, energy saving again when satisfying indoor demand, convenient to use.

Drawings

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

In the figure: 1. a first-stage evaporator; 2. a secondary evaporator; 3. an expansion valve; 4. an air-cooled finned heat exchanger; 5. a variable frequency axial flow fan; 6. a four-way reversing valve; 7. a variable frequency compressor; 8. a gas-liquid separator; 9. a refrigeration and heating control system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, a full-variable-frequency air-cooling modular machine comprises a condenser module and an evaporator module, wherein the condenser module and the evaporator module form a circulation loop through a medium pipeline, the condenser module is an air-cooling finned heat exchanger 4, the air-cooling finned heat exchanger 4 is matched with a variable-frequency axial flow fan 5, the evaporator module comprises a first-stage evaporator 1 and a second-stage evaporator 2 which are connected in series, and the second-stage evaporator 2 is located at the periphery of the working environment of the air-cooling finned heat exchanger 4, so that the air temperature around the condenser module can be reduced by using the second-stage evaporator 2 during refrigeration in summer, the condensing temperature of a unit can be effectively reduced by using the lower environmental temperature, the power consumption of a variable-frequency compressor 7 is reduced, the energy efficiency ratio COP value is increased, and when heating is performed in winter, the heat supply fluctuation of the unit caused by defrosting can be effectively prevented, and the stable operation of a heat supply system is ensured.

And first order evaporimeter 1 and second grade evaporimeter 2 are the evaporimeter of water fluorine heat transfer application, and accessible first order evaporimeter 1 and second grade evaporimeter 2 come to evaporate the heat absorption to the medium and reach the cooling effect, and during the concrete implementation, first order evaporimeter 1 and second grade evaporimeter 2 optional but not limited to plate heat exchanger, double-pipe heat exchanger.

Meanwhile, an expansion valve 3 is installed on a medium pipeline for connecting the secondary evaporator 2 and the air-cooled finned heat exchanger 4, the expansion valve 3 can regulate and control media in the medium pipeline, functions of throttling and pressure regulating, flow control, superheat degree control and the like are achieved, and in specific implementation, the expansion valve 3 comprises but is not limited to a thermal expansion valve and an electronic expansion valve.

As shown in fig. 1, one end of the air-cooled finned heat exchanger 4, which is far away from the expansion valve 3, is connected with a four-way reversing valve 6, one end of the four-way reversing valve 6 is connected with a variable frequency compressor 7, the variable frequency compressor 7 is connected with a gas-liquid separator 8, and the gas-liquid separator 8 is connected with the other end of the four-way reversing valve 6 and then is connected with the primary evaporator 1 to form a cooling-heating cycle. The four-way reversing valve 6 is a special electromagnetic valve with two inlets and two outlets, and is used for converting the heating and refrigerating working conditions of the compression heat pump system. The specific principle is that when the heat pump is switched from the cooling working condition to the heating working condition, the four-way reversing valve 6 acts (is switched to the heating working condition position), so that the indoor evaporator module is used as a condenser, high-temperature refrigerant steam discharged by the variable-frequency compressor 7 flows into the indoor evaporator module through the four-way reversing valve (used as the condenser at the moment), and the condenser module becomes an evaporator to finish working condition switching. And during specific implementation, the condenser module and the evaporator module are jointly and electrically connected with a refrigeration and heating control system 9, so that the device can be controlled and used by the refrigeration and heating control system 9, and the refrigeration and heating control system 9 can be realized by adopting the existing control circuit and control assembly.

Specifically, in the above scheme, the medium pipeline for circulation between the condenser module and the evaporator module is a water pipe, that is, water is used as a cooling/heating medium, and the medium pipeline is connected with a filter, so that the water quality condition can be improved through the filter, and the evaporator module can be prevented from being dirty and blocked.

The working principle is as follows: this full frequency conversion air-cooled module machine, during the use, the peripheral air temperature of condenser module can be reduced in setting up of accessible secondary evaporator 2, make when the refrigeration in summer, the ambient temperature around air-cooled finned heat exchanger 4 is lower, thereby can effectively reduce unit condensation temperature, make inverter compressor 7's consumption reduce, the efficiency ratio COP value rises, and when heating in winter, then the setting of secondary evaporator 2 can effectively prevent the unit because of the system heat supply fluctuation that the defrosting arouses, guarantee heating system's steady operation.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a full frequency conversion forced air cooling module machine, includes condenser module and evaporimeter module, the condenser module passes through medium pipeline with the evaporimeter module and forms circulation circuit, a serial communication port, the condenser module is air-cooled finned heat exchanger (4), air-cooled finned heat exchanger (4) cooperation has frequency conversion axial fan (5), just the evaporimeter module is including one-level evaporimeter (1) and second grade evaporimeter (2) of establishing ties, second grade evaporimeter (2) are located the operational environment of air-cooled finned heat exchanger (4) is peripheral.

2. A full frequency conversion air-cooled modular machine as claimed in claim 1, wherein the condenser module and the evaporator module are electrically connected together with a cooling and heating control system (9).

3. The full-frequency-conversion air-cooling modular machine as claimed in claim 1, characterized in that an expansion valve (3) is installed on a medium pipeline for connecting the secondary evaporator (2) and the air-cooling finned heat exchanger (4).

4. The full-frequency-conversion air-cooling modular machine according to claim 3, characterized in that one end of the air-cooling finned heat exchanger (4) far away from the expansion valve (3) is connected with a four-way reversing valve (6), one end of the four-way reversing valve (6) is connected with a compressor module, and the compressor module is a frequency conversion compressor (7).

5. The full-frequency-conversion air-cooled modular machine as claimed in claim 4, characterized in that the frequency conversion compressor (7) is connected with a gas-liquid separator (8), and the gas-liquid separator (8) is connected with the other end of the four-way reversing valve (6) and then connected with the primary evaporator (1).

6. The full frequency conversion air-cooled modular machine of claim 1, wherein the medium pipeline for circulation between the condenser module and the evaporator module is a water pipe.

7. A full frequency conversion air-cooled modular machine as claimed in claim 6, characterized in that said primary evaporator (1) and said secondary evaporator (2) are evaporators for water-fluorine heat exchange applications.

8. The full frequency conversion air-cooled modular machine of claim 1, wherein the media duct is coupled to a filter.

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