Intelligent variable frequency air conditioner for energy storage battery compartment

Abstract

A refrigerant subsystem comprises an electric compressor and a condenser assembly, an exhaust port of the electric compressor is connected with the inlet end of an exhaust pipe of the compressor, the outlet end of the exhaust pipe of the compressor is connected with the inlet end of the condenser assembly, and the outlet end of the condenser assembly is connected with the inlet end of a cold steam pipeline. The outlet end of the cold steam pipeline is connected with the inlet end of the expansion valve, the outlet end of the expansion valve is connected with the inlet end of the evaporator core body, the outlet end of the evaporator core body is connected with the inlet end of the air suction pipe of the compressor, and the outlet end of the air suction pipe of the compressor is connected with an air suction port of the electric compressor, so that a refrigerant subsystem circulation loop is formed; the controller is electrically connected with the electric compressor, the condensate fan, the air blower, the liquid crystal display screen and all the sensors. According to the utility model, the refrigeration or dehumidification function in the energy storage battery cabin can be realized, so that the battery or other electric appliance components in the energy storage battery cabin are in a proper environment working temperature.

Description

Technical Field

[0001] The utility model relates to the technical fields of communication, electric power and energy storage cabinet air conditioners, and in particular to an energy storage battery compartment intelligent variable frequency air conditioner. Background Art

[0002] With the rapid development of the energy storage industry, the heat dissipation technology of energy storage cabins is also facing huge challenges. In order to provide a suitable working environment temperature for the batteries and electronic equipment in the energy storage cabin, the heat dissipation demand for the energy storage cabin air conditioner is also getting higher and higher. If the heat of the electronic equipment cannot be dissipated in time, it will affect the function and service life of the equipment. Most of the existing energy storage battery cabin air conditioners are fixed-frequency air conditioners installed on the side wall of the cabin. Their main disadvantages are: 1. Insufficient refrigeration capacity, the refrigerant is not environmentally friendly or not suitable for maintenance; 2. Fixed-frequency air conditioners have a small working environment temperature range, especially in low temperature environments, the electric compressor, condensing fan and blower motor will start and stop frequently, which seriously affects the service life of components; 3. Fixed-frequency air conditioners cannot be adjusted according to different heat loads. They run all year round, are not energy-saving, and have high average power consumption. Utility Model Content

[0003] The purpose of the utility model is to provide an energy storage battery compartment intelligent variable frequency air conditioner to solve the above problems existing in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an energy storage battery cabin intelligent variable frequency air conditioner, comprising a metal cabinet, a refrigerant subsystem, a ventilation system and an electrical control system;

[0006] The refrigerant subsystem includes an electric compressor and a condenser assembly, the exhaust port of the electric compressor is connected to the inlet end of the compressor exhaust pipe, the outlet end of the compressor exhaust pipe is connected to the inlet end of the condenser assembly, the outlet end of the condenser assembly is connected to the inlet end of the cold steam pipeline, the outlet end of the cold steam pipeline is connected to the inlet end of the expansion valve, the outlet end of the expansion valve is connected to the inlet end of the evaporator core, the outlet end of the evaporator core is connected to the inlet end of the compressor suction pipe, and the outlet end of the compressor suction pipe is connected to the suction port of the electric compressor, forming a refrigerant subsystem circulation loop;

[0007] The ventilation system includes a blower, a blower air inlet hood, a condensing fan and a condensing fan air inlet hood, wherein the blower, the blower air inlet hood, the condensing fan, the condensing fan air inlet hood, the condenser assembly and the evaporator core are respectively mounted on the metal cabinet, and a blowing port and an air suction port are provided on the cover plate of the metal cabinet. The blower inhales hot air in the energy storage battery compartment through the air suction port and cools the hot air through the evaporator core, and the blowing port blows cold air into the energy storage battery compartment to achieve the purpose of cooling the air temperature in the energy storage battery compartment; an air inlet and an air exhaust port are provided on the back plate of the metal cabinet, and the condensing fan inhales ambient air from the air inlet, and the air takes away the heat emitted by the condenser assembly after passing through the condenser assembly, and is discharged out of the metal cabinet from the air exhaust port;

[0008] The electrical control system includes a controller and a liquid crystal display screen. The controller is electrically connected to the electric compressor, the condensing fan, the blower, the liquid crystal display screen and each sensor through a wiring harness to achieve intelligent frequency conversion control.

[0009] Furthermore, the energy storage battery compartment intelligent variable frequency air conditioner is an integrated type, the electric compressor, the condenser assembly, the condensing fan, the evaporator core, the blower and the controller are all arranged in the metal cabinet, and the water tray divides the metal cabinet into an indoor unit evaporation chamber located at the upper part and an outdoor unit condensation chamber located at the lower part.

[0010] Furthermore, the evaporator core adopts two microchannel dual parallel flow evaporators, and the two evaporator cores are connected in parallel and arranged symmetrically.

[0011] Furthermore, the condenser assembly adopts a microchannel parallel flow condenser, and the core thickness ranges from 12 to 32 mm.

[0012] Furthermore, the expansion valve is an electronic expansion valve, and the electronic expansion valve is controlled by the controller.

[0013] Furthermore, a temperature and humidity sensor is arranged at the air intake position to monitor the heat load in the energy storage battery compartment and feed back the temperature and humidity data to the controller.

[0014] Furthermore, a high-pressure temperature sensor is installed on the compressor exhaust pipe to feed back the high-pressure data in the refrigerant subsystem to the controller, and the controller controls the speed of the condensing fan according to the refrigerant high-pressure frequency modulation.

[0015] Furthermore, the LCD display screen has a display screen and an air-conditioning control button, and the initial target operating temperature of the air-conditioning is set by the air-conditioning control button. The controller intelligently frequency-converts and adjusts the speed of the electric compressor according to the set target operating temperature.

[0016] Furthermore, the condensing fan adopts a brushless DC outer rotor motor with a rated power range of 100-300W; the blower adopts a brushless DC outer rotor motor with a rated power range of 100-200W; the electric compressor adopts a rotor compressor with a displacement of 20cc-50cc.

[0017] Furthermore, the controller has a 485 communication interface.

[0018] Compared with the prior art, the beneficial technical effects of the utility model are:

[0019] The intelligent variable frequency air conditioner for the energy storage battery compartment of the utility model can realize the function of refrigeration or dehumidification in the energy storage battery compartment by arranging a refrigerant subsystem, a ventilation system, an electrical control system and a metal cabinet, so as to cool the hot air in the energy storage battery compartment, reduce the air temperature in the energy storage battery compartment, and make the batteries or other electrical components in the energy storage battery compartment be at a suitable environmental working temperature to ensure the service life of the equipment; at the same time, by arranging an electric heater, in winter, it is possible to circulate and heat the cold air in the compartment to heat the batteries in the compartment to a suitable working temperature; and the controller of the electrical control system is electrically connected to the electric compressor, the condensing fan, the blower and various sensors through a wiring harness, and the controller has a built-in software program, which can realize intelligent regulation of the rotation speeds of the blower, the electric compressor and the condensing fan according to the feedback signals of various sensors and electrical components, thereby realizing intelligent control of the air conditioner in the energy storage battery compartment.

[0020] The energy storage battery cabin intelligent variable frequency air conditioner of the utility model has the following advantages: 1. It has strong refrigeration capacity and uses environmentally friendly refrigerant, which is easy to maintain; 2. The variable frequency air conditioner has a wide working environment temperature range, a long service life, and saves energy and reduces consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a schematic diagram of the internal structure of the energy storage battery compartment intelligent variable frequency air conditioner of the utility model;

[0023] Figure 2This is a schematic diagram of the main structure of the energy storage battery compartment intelligent variable frequency air conditioner of the utility model;

[0024] Figure 3 It is a rear structural schematic diagram of the energy storage battery compartment intelligent variable frequency air conditioner of the present utility model.

[0025] Explanation of the reference numerals in the accompanying drawings: 1. Metal cabinet; 101. Air blowing port; 102. Air suction port; 103. Air inlet port; 104. Air exhaust port; 2. Electric compressor; 3. Compressor exhaust pipe; 4. Condenser assembly; 5. Cold steam pipe; 6. Expansion valve; 7. Evaporator core; 8. Compressor suction pipe; 9. Condenser fan; 10. Condenser fan air inlet cover; 11. Blower; 12. Blower air inlet cover; 13. Electric heater; 14. Controller; 15. LCD display; 16. Wiring harness; 17. Temperature and humidity sensor; 18. Condensation chamber temperature sensor; 19. High-pressure temperature sensor; 20. Low-pressure temperature sensor; 21. Water tray; 22. Drain pipe. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The technical solution provided by the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.

[0030] like Figures 1 to 3As shown, the energy storage battery compartment intelligent variable frequency air conditioner of this embodiment includes a metal cabinet 1, a refrigerant subsystem, a ventilation system and an electrical control system.

[0031] In this embodiment, the refrigerant subsystem includes an electric compressor 2 and a condenser assembly 4, the exhaust port of the electric compressor 2 is connected to the inlet end of the compressor exhaust pipe 3, the outlet end of the compressor exhaust pipe 3 is connected to the inlet end of the condenser assembly 4, the outlet end of the condenser assembly 4 is connected to the inlet end of the cold steam pipe 5, the outlet end of the cold steam pipe 5 is connected to the inlet end of the expansion valve 6, the outlet end of the expansion valve 6 is connected to the inlet end of the evaporator core 7, the outlet end of the evaporator core 7 is connected to the inlet end of the compressor suction pipe 8, and the outlet end of the compressor suction pipe 8 is connected to the suction port of the electric compressor 2, forming a refrigerant subsystem circulation loop. Among them, the refrigerant subsystem achieves energy saving by setting an electric compressor 2 with a suitable displacement, preferably a variable frequency controlled rotor electric compressor.

[0032] At the same time, the ventilation system includes a blower 11, a blower air inlet cover 12, a condensing fan 9 and a condensing fan air inlet cover 10, wherein the blower 11, the blower air inlet cover 12, the condensing fan 9, the condensing fan air inlet cover 10, the condenser assembly 4 and the evaporator core 7 are respectively installed on the metal cabinet 1. Specifically, the blower 11 and the blower air inlet cover 12 are respectively installed on the metal cabinet 1 through brackets, the evaporator core 7 is installed on the metal cabinet 1 through an evaporator bracket, and a blowing port 101 and an air suction port 102 are opened on the cover plate of the metal cabinet 1. 1 sucks in the hot air in the energy storage battery compartment through the air inlet 102 and cools the hot air through the evaporator core 7, and blows out cold air into the energy storage battery compartment through the air outlet 101 to achieve the purpose of cooling the air temperature in the energy storage battery compartment; the metal cabinet 1 is provided with an air inlet 103 and an air outlet 104 on the back plate, and the condensing fan 9 sucks in the surrounding air from the air inlet 103, and the air takes away the heat emitted by the condenser assembly 4 after passing through the condenser assembly 4, and is discharged to the outside of the metal cabinet 1 from the air outlet 104, and the condensing chamber temperature sensor 18 is installed on the condensing fan 9. Among them, the ventilation system is provided with a condensing fan 9 and a blower 11, and preferably adopts a variable frequency motor to achieve the effect of energy saving and precise control of the temperature in the energy storage battery compartment.

[0033] In addition, the electrical control system includes a controller 14 and a liquid crystal display screen 15. The controller 14 is electrically connected to the electric compressor 2, the condensing fan 9, the blower 11, the liquid crystal display screen 15 and each sensor through a wiring harness 16 to realize intelligent variable frequency control. Specifically, the electrical control system realizes intelligent control and variable frequency regulation of the speed of the blower 11, the electric compressor 2 and the condensing fan 9 in the energy storage battery compartment through feedback signals from each sensor and each electrical device by setting a controller. According to the heat load condition of the energy storage battery compartment, the temperature in the energy storage battery compartment is accurately controlled to realize intelligent refrigeration or dehumidification; especially when the temperature is low in winter, the air conditioner still needs to work for refrigeration. The controller can intelligently variable frequency regulate the electric compressor 2 and the condensing fan 9 to work at a low speed according to the heat load demand in the energy storage battery compartment to ensure the normal operation of the air conditioner; it avoids the disadvantage of the existing fixed frequency air conditioner frequently turning on and off the condensing fan or compressor, thereby causing impact on the components, which not only broadens the low temperature environment range for the stable operation of the energy storage battery compartment air conditioner, but also helps to increase the service life of the compressor and condenser, and has energy-saving effect.

[0034] The energy storage battery compartment intelligent variable frequency air conditioner of this embodiment is also equipped with an electric heater 13, which is arranged between the blower 11 and the evaporator core 7. In winter, the electric heater 13 can circulate and heat the cold air in the cabin to heat the batteries in the cabin to a suitable working temperature.

[0035] In addition, the energy storage battery compartment intelligent variable frequency air conditioner of this embodiment is an integrated type, and the electric compressor 2, the condenser assembly 4, the condensing fan 9, the evaporator core 7, the blower 11 and the controller 14 are all arranged in the metal cabinet 1, and the water tray 21 divides the metal cabinet 1 into an indoor unit evaporation chamber located at the upper part and an outdoor unit condensation chamber located at the lower part. Among them, the water tray 21 is provided with a drainage hole, which is connected to the drainage pipe 22 to discharge the condensed water generated during the operation of the air conditioning system to the outside of the metal cabinet 1. In addition, the metal cabinet 1 is provided with a fixing mounting bracket around it. The energy storage battery compartment intelligent variable frequency air conditioner of this embodiment can be installed in front of the energy storage battery compartment or on the side of the energy storage battery compartment. It is not only convenient to install, but also stable and reliable, which is conducive to the smooth operation of the intelligent variable frequency air conditioner, improves the life of the system and components, and has the advantages of waterproof, dustproof, and anti-theft.

[0036] Preferably, the evaporator core 7 adopts two microchannel dual parallel flow evaporators, and the two evaporator cores 7 adopt a symmetrical arrangement structure connected in parallel, wherein the core thickness ranges from 24 to 48 mm, and the refrigeration performance is >8Kw. At this time, the refrigerant subsystem adopts a symmetrical arrangement structure in which two microchannel dual parallel flow evaporators are connected in parallel, which can reduce the refrigerant circulation resistance and improve the refrigeration capacity of the evaporator core to achieve the purpose of rapid cooling of the energy storage battery compartment. At the same time, the condenser assembly 4 adopts a microchannel parallel flow condenser, and the core thickness ranges from 12 to 32 mm, which has the advantages of high performance and light weight.

[0037] Preferably, the expansion valve 6 is an electronic expansion valve, which is controlled by the controller 14 to achieve intelligent control.

[0038] In another embodiment, a temperature and humidity sensor 17 is arranged at the air inlet 102 to monitor the heat load in the energy storage battery compartment and feed back the temperature and humidity data to the controller 14. The controller 14 intelligently controls the speed of the electric compressor 2 and the condensing fan 9 through frequency conversion according to the built-in program to accurately control the temperature in the energy storage battery compartment.

[0039] In addition, a high-pressure temperature sensor 19 and a low-pressure temperature sensor 20 are installed on the compressor exhaust pipe 3 to feed back the high-pressure data in the refrigerant subsystem to the controller 14, and the controller 14 controls the speed of the condensing fan 9 according to the refrigerant high-pressure frequency modulation.

[0040] In this embodiment, the LCD screen 15 has a display screen and air conditioning control buttons. Preferably, the LCD screen 15 is provided with an air conditioning on / off button, a temperature adjustment button, a parameter setting button, a query button, and a return button. The air conditioning on / off button is used to control the on / off of the air conditioning, the temperature adjustment button is used to set the target operating temperature of the air conditioning, and the query button is used to query the operating parameters of the air conditioning. If there is a fault in the operation of the air conditioning, the corresponding fault code is displayed on the display screen to facilitate troubleshooting and maintenance of the air conditioning. At this time, the initial target operating temperature of the air conditioning is set through the air conditioning control button. The controller 14 automatically calculates the heat load in the energy storage battery compartment based on the set target operating temperature and the temperature feedback from the temperature and humidity sensor 17, as well as the signal feedback from the electric compressor 2, using the PID algorithm, and intelligently and frequency-controlled the speed of the electric compressor 2.

[0041] Preferably, the condensing fan 9 adopts a brushless DC outer rotor motor with a rated power range of 100-300W; the blower 11 adopts a brushless DC outer rotor motor with a rated power range of 100-200W; the electric compressor 2 adopts a rotor compressor with a displacement of 20cc-50cc.

[0042] In addition, the controller 14 has a built-in 485 communication interface, and has reserved remote monitoring, alarm and reset and diagnosis functions. It uses refrigerant refrigerant pipelines that meet the standards for automotive air-conditioning refrigerant pipelines, including a compressor exhaust pipe 3, a cold steam pipe 5, a compressor suction pipe 8, etc., which are easy to install and maintain, and at the same time, the refrigerant leakage is small.

[0043] When the energy storage battery compartment intelligent variable frequency air conditioner of this embodiment is working, click the air conditioner on / off button on the LCD screen 15 to start the air conditioner. The controller 14 automatically calculates the heat load in the energy storage battery compartment according to the initial target working temperature set by the air conditioner at the factory, the temperature and pressure parameters fed back by each temperature sensor, and the signal feedback of the electric compressor 2, according to the software program built into the controller 14, and intelligently and variable frequency controls the rotation speed of the electric compressor 2 and the condensing fan 9 to accurately control the temperature in the energy storage battery compartment to achieve intelligent refrigeration or dehumidification; especially when the temperature is low in winter, the air conditioner still needs refrigeration work. The controller 14 can intelligently and variable frequency adjust the electric compressor 2 and the condensing fan 9 to work at a low speed according to the heat load demand in the energy storage battery compartment to ensure the normal operation of the air conditioner, avoid the disadvantage of frequent switching on and off of the condensing fan 9 or the electric compressor 2 in a low temperature environment, thereby causing impact on components, which not only broadens the low temperature environment range for the stable operation of the energy storage battery compartment air conditioner, but also is conducive to increasing the service life of the compressor and condenser, and has energy-saving effect.

[0044] The energy storage battery cabin intelligent variable frequency air conditioner of the utility model has the advantages of strong refrigeration capacity, use of environmentally friendly refrigerant, easy maintenance, wide working environment temperature range, long service life, and energy saving and consumption reduction.

[0045] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An energy storage battery compartment intelligent variable frequency air conditioner, characterized in that: It comprises a metal cabinet (1), a refrigerant subsystem, a ventilation system and an electrical control system; The refrigerant subsystem comprises an electric compressor (2) and a condenser assembly (4), the exhaust port of the electric compressor (2) is connected to the inlet end of the compressor exhaust pipe (3), the outlet end of the compressor exhaust pipe (3) is connected to the inlet end of the condenser assembly (4), the outlet end of the condenser assembly (4) is connected to the inlet end of the cold steam pipe (5), the outlet end of the cold steam pipe (5) is connected to the inlet end of the expansion valve (6), the outlet end of the expansion valve (6) is connected to the inlet end of the evaporator core (7), the outlet end of the evaporator core (7) is connected to the inlet end of the compressor suction pipe (8), and the outlet end of the compressor suction pipe (8) is connected to the suction port of the electric compressor (2), forming a refrigerant subsystem circulation loop; The ventilation system comprises a blower (11), a blower air inlet hood (12), a condensing fan (9) and a condensing fan air inlet hood (10); the blower (11), the blower air inlet hood (12), the condensing fan (9), the condensing fan air inlet hood (10), the condenser assembly (4) and the evaporator core (7) are respectively mounted on the metal cabinet (1); a blow port (101) and an air suction port (102) are provided on a cover plate of the metal cabinet (1); the blower (11) draws air into the energy storage battery compartment through the air suction port (102). The hot air in the energy storage battery compartment is cooled by the evaporator core (7), and the air outlet (101) blows cold air into the energy storage battery compartment to cool the air temperature in the energy storage battery compartment; an air inlet (103) and an air outlet (104) are provided on the back plate of the metal cabinet (1), and the condensing fan (9) inhales ambient air from the air inlet (103), and the air passes through the condenser assembly (4) and takes away the heat emitted by the condenser assembly (4), and is discharged from the air outlet (104) to the outside of the metal cabinet (1); The electrical control system comprises a controller (14) and a liquid crystal display screen (15); the controller (14) is electrically connected to the electric compressor (2), the condensing fan (9), the blower (11), the liquid crystal display screen (15) and various sensors through a wiring harness (16) to achieve intelligent variable frequency control.

2. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: The energy storage battery compartment intelligent variable frequency air conditioner is an integrated unit type, wherein the electric compressor (2), the condenser assembly (4), the condensing fan (9), the evaporator core (7), the blower (11) and the controller (14) are all arranged in the metal cabinet (1), and a water tray (21) divides the metal cabinet (1) into an indoor unit evaporation chamber located at the top and an outdoor unit condensation chamber located at the bottom.

3. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: The evaporator core (7) adopts two microchannel double parallel flow evaporators, and the two evaporator cores (7) adopt a symmetrical arrangement structure connected in parallel.

4. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: The condenser assembly (4) adopts a microchannel parallel flow condenser, and the core thickness ranges from 12 to 32 mm.

5. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: The expansion valve (6) is an electronic expansion valve, and the electronic expansion valve is controlled by the controller (14).

6. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: A temperature and humidity sensor (17) is arranged at the air inlet (102) to monitor the heat load in the energy storage battery compartment and feed back temperature and humidity data to the controller (14).

7. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: A high-pressure temperature sensor (19) is installed on the compressor exhaust pipe (3) to feed back the high-pressure data in the refrigerant subsystem to the controller (14), and the controller (14) controls the rotation speed of the condensing fan (9) according to the refrigerant high-pressure frequency modulation.

8. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: The liquid crystal display screen (15) has a display screen and air conditioning control buttons, and the initial target operating temperature of the air conditioner is set by the air conditioning control buttons. The controller (14) intelligently frequency-converts and adjusts the rotation speed of the electric compressor (2) according to the set target operating temperature.

9. The energy storage battery compartment intelligent variable frequency air conditioner according to claim 1, characterized in that: The condensing fan (9) adopts a brushless DC external rotor motor with a rated power range of 100-300W; the blower (11) adopts a brushless DC external rotor motor with a rated power range of 100-200W; the electric compressor (2) adopts a rotor compressor with a displacement of 20cc-50cc.

10. An energy storage battery compartment intelligent variable frequency air conditioner according to any one of claims 1-9, characterized in that: The controller (14) is provided with a 485 communication interface.

Images