CN214757579U - Double-cabinet and multi-cabinet base station air conditioner - Google Patents
Double-cabinet and multi-cabinet base station air conditioner Download PDFInfo
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- CN214757579U CN214757579U CN202120918216.1U CN202120918216U CN214757579U CN 214757579 U CN214757579 U CN 214757579U CN 202120918216 U CN202120918216 U CN 202120918216U CN 214757579 U CN214757579 U CN 214757579U
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Abstract
The utility model relates to a two cabinets and ally oneself with cabinet base station air conditioner more, include: the cabinet body is used as a shell of an air conditioner of the combined cabinet base station and comprises a main cabinet body and an auxiliary cabinet; the refrigerant subsystem is arranged in the main cabinet body and comprises the following components along the flowing direction of the refrigerant: the system comprises an electric compressor, a compressor exhaust pipe, a condenser assembly, a main cold evaporation pipeline and a first evaporator core body; the refrigerant flows through the first evaporator core body and then is connected through the air suction pipe of the compressor to realize the cycle work; a first air blowing motor and a first air blowing motor air inlet cover are arranged above the first evaporator core; a condensing fan and a condensing fan air inlet cover are arranged below the condenser assembly; the auxiliary cabinet is at least one, is connected to the side of the main cabinet body, and is internally provided with an evaporator core body, a blower motor and a blower motor air inlet cover; the main cabinet body is internally provided with a controller and a sensor, the controller is electrically connected with the sensor, the electric compressor, the condensing fan and the air blower, and the intelligent control of the base station air conditioner is realized.
Description
Technical Field
The utility model relates to a base station air conditioner technical field, concretely relates to two cabinets and ally oneself with cabinet base station air conditioner more.
Background
The 2G/3G/4G/5G base station air conditioner is currently characterized in that each base station cabinet body is independently provided with a set of air conditioning system unit, and the air conditioning system unit is generally arranged at the front door of each cabinet body. The current main disadvantages of the single air conditioner assembly of the base station in the present state are:
1. the refrigerating capacity is insufficient.
2. Because of the fixed frequency control, energy is not saved.
3. Under the low temperature environment, motor compressor, condensation fan, blower motor can frequently open and stop to seriously influence spare part life-span, the operating time of general use only 1 ~ 2 years.
4. The product is heavy in weight.
5. Remote monitoring, alarm & reset and diagnostic functions, etc. cannot be implemented.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a two cabinets and ally oneself with cabinet basic station air conditioner more to solve the above-mentioned technical problem.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a two cabinets and ally oneself with cabinet base station air conditioner more, includes:
the cabinet body is used as a shell of an air conditioner of the combined cabinet base station and comprises a main cabinet body and an auxiliary cabinet;
the refrigerant subsystem is arranged in the main cabinet body and comprises the following components along the flowing direction of the refrigerant: the system comprises an electric compressor, a compressor exhaust pipe, a condenser assembly, a main cold evaporation pipeline and a first evaporator core body; the refrigerant flows through the first evaporator core body and then is connected through a compressor air suction pipe to realize the cycle work;
the first evaporator core is fixed in the middle of the main cabinet body in the height direction through an evaporator core support, and a first air blowing motor air inlet cover are arranged above the first evaporator core; a condensing fan and a condensing fan air inlet cover are arranged below the condenser assembly; the first blower motor sucks hot air in the base station cabinet on the side of the main cabinet body from the first blower motor air inlet cover, processes the hot air and blows out cold air, the condensing fan sucks ambient air from the condensing fan air inlet cover, and the ambient air passes through the condenser assembly to take away heat dissipation capacity and discharges the hot air to the outside of the main cabinet body;
the auxiliary cabinet is at least one, is connected to the side of the main cabinet body and is internally provided with an evaporator core body, a blower motor and a blower motor air inlet cover; the evaporator core is communicated with the condenser assembly through a cold evaporation pipeline, and the outlet end of the evaporator core is communicated with the air suction pipe of the compressor to realize the circulating work;
the intelligent control system is characterized in that a controller and a sensor are arranged in the main cabinet body, the controller is electrically connected with the sensor, the electric compressor, the condensation fan and the air blower, and intelligent control of the base station air conditioner is achieved.
Furthermore, the number of the auxiliary cabinets is 2, and the auxiliary cabinets comprise a left auxiliary cabinet and a right auxiliary cabinet which are respectively arranged on two sides of the main cabinet body;
a second evaporator core and a second blower motor are arranged in the left auxiliary cabinet; the inlet end of the second evaporator core body is connected with the condenser assembly through a left cold evaporation pipeline, and the outlet end of the second evaporator core body is communicated with the air suction pipe of the compressor to realize the circulating work;
a third evaporator core and a third blower motor are arranged in the right auxiliary cabinet; the inlet end of the third evaporator core body is connected with the condenser assembly through a right cold evaporation pipeline, and the outlet end of the third evaporator core body is communicated with the air suction pipe of the compressor to realize the circulating work.
Further, a first expansion valve is arranged between the main cold evaporation pipeline and the first evaporator core body;
a second expansion valve is arranged between the left cold evaporation pipeline and the second evaporator core body;
a third expansion valve is arranged between the right cold evaporation pipeline and the third evaporator core body;
the first expansion valve, the second expansion valve and the third expansion valve can adopt mechanical expansion valves or electronic expansion valves;
the electronic expansion valve is electrically connected with the controller to realize intelligent control of the opening degrees of the first expansion valve, the second expansion valve and the third expansion valve.
Further, the first expansion valve, the second expansion valve and the third expansion valve may all adopt mechanical expansion valves or electronic expansion valves;
one of the two valves adopts a mechanical expansion valve, and the other two valves adopt electronic expansion valves; or one of the two valves adopts an electronic expansion valve, and the other two valves adopt mechanical expansion valves.
Further, the sensors comprise a low-pressure refrigerant temperature sensor, a high-pressure refrigerant temperature sensor, a first refrigerant temperature sensor and a second refrigerant temperature sensor;
the low-pressure refrigerant temperature sensor is arranged on the air suction pipe of the compressor, and the controller can control the opening degree of the electronic expansion valve according to the superheat degree of the refrigerant detected by the low-pressure refrigerant temperature sensor;
the high-pressure refrigerant temperature sensor is arranged on the exhaust pipe of the compressor, and the controller controls the rotating speed of the condensing fan according to refrigerant high-pressure frequency modulation.
Furthermore, an exhaust bypass air door and a servo motor are arranged at the lower part of the inner cavity of the main cabinet body, and the servo motor is electrically connected with the controller.
Further, the first evaporator core, the second evaporator core and the third evaporator core are the same in structural size and are double parallel flow evaporators with core thicknesses of 24-48 mm.
Further, the condenser assembly adopts a parallel flow type condenser assembly with the core thickness ranging from 12 mm to 32 mm.
Further, the condensing fan adopts a brushless direct current outer rotor motor, and the rated power range is 100 and 200W;
the first blower motor, the second blower motor and the third blower motor adopt brushless direct current outer rotor motors, and the rated power ranges from 20W to 60W;
the electric compressor adopts a rotor compressor, and the discharge capacity is 20cc-50 cc.
The utility model has the advantages that:
the refrigeration or ventilation function to each base station cabinet machine is realized by arranging the refrigerant subsystem, the ventilation component, the electric appliance control component and the metal cabinet body; the air temperature in the base station cabinet is reduced, the hot air in the base station cabinet is cooled, and communication or other electrical components which continuously generate heat are at a proper environment working temperature.
The refrigerant subsystem can ensure that refrigerant with enough flow is conveyed by arranging the electric compressor with proper discharge capacity, thereby ensuring the refrigerating capacity; the rotor electric compressor controlled by frequency conversion is preferentially recommended to achieve the energy-saving effect.
The refrigerant subsystem ensures the effect of cooling the high-temperature and high-pressure refrigerant by arranging a condenser with proper size;
the refrigerant subsystem is provided with 3 (or a plurality of evaporators with the same structure, corresponding to the number of the cabinets) to ensure the cooling effect of cooling the cabinets of each base station and achieve the effect of partition control; in addition, the expansion valves of the respective evaporators are equipped or matched, preferably in the following two modes:
(1) 1 mechanical expansion valve and 2 electronic expansion valves; (2) and 2 mechanical expansion valves and 1 electronic expansion valve to facilitate refrigerant distribution and oil return of the compressor.
The ventilation component is provided with 1 condensing fan and 3 blower motors (or a plurality of blower motors corresponding to the number of the cabinets); all adopt inverter motor to reach energy-conserving and accurate control cabinet internal temperature's effect.
The electric appliance control is realized by arranging a controller, a software program is arranged in the controller, and the opening degree of a blower, an electric compressor, a condensing fan and an electronic expansion valve in the variable-frequency regulation and control cabinet is intelligently controlled through feedback signals of all sensors and all electric appliances. When the compressor runs, the air conditioning system is in a refrigeration mode, if the temperature in the cabinet reaches a proper temperature, the blower motor in the cabinet can be closed, and if the temperature is an electronic expansion valve, the blower motor can also be closed; if the compressor is shut down, the entire air conditioning system is in a ventilation mode. Therefore, the temperature in the cabinet can be controlled in a subarea mode according to the heat load condition of each base station cabinet machine, and intelligent refrigeration or ventilation is realized.
Drawings
FIG. 1 is a schematic front perspective view of a triplex cabinet base station air conditioner;
FIG. 2 is a perspective view of the back of a triplex cabinet base station air conditioner;
FIG. 3 is a schematic perspective view of a front side of a duplex cabinet base station air conditioner;
FIG. 4 is a perspective view of the back of an air conditioner in a duplex cabinet base station;
FIG. 5 is a schematic front perspective view of a duplex cabinet base station with an alternative arrangement of air conditioning;
fig. 6 is a perspective view of the back of the twin cabinet base station in another arrangement of the air conditioner.
1. An electric compressor; 2. a compressor discharge pipe; 3. a condenser assembly; 4. a main cold steam pipeline; 5. a first evaporator core; 6. an evaporator core support; 7. a first blower motor; 8. a first blower motor air inlet cover; 9. a compressor suction duct; 10. a condensing fan; 11. an air inlet cover of the condensing fan; 12. a servo motor; 13. an exhaust bypass damper; 14. a low-pressure refrigerant temperature sensor 15 and a high-pressure refrigerant temperature sensor; 16. a third evaporator core; 17. a third expansion valve; 18. a third blower motor; 19. a right cold steam pipeline; 20. a first refrigerant temperature sensor; 21. a first expansion valve; 22. a controller; 23. a left cold steam pipeline; 24. a second refrigerant temperature sensor; 25. a second expansion valve; 26. a second evaporator core; 27. a second blower motor; 28. a left auxiliary cabinet; 29. a main cabinet body; 30. and a right auxiliary cabinet.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the utility model provides a two cabinets and ally oneself with cabinet base station air conditioner more, include:
the cabinet body is used as a shell of an air conditioner of the combined cabinet base station and comprises a main cabinet body 29 and an auxiliary cabinet;
the refrigerant subsystem is located in the main cabinet 29, and includes, along a direction in which the refrigerant flows: the system comprises an electric compressor 1, a compressor exhaust pipe 2, a condenser assembly 3, a main cold evaporation pipeline 4 and a first evaporator core body 5; the refrigerant flows through the first evaporator core body 5 and then is connected through the air suction pipe 9 of the compressor to realize the cycle work;
the first evaporator core body 5 is fixed in the middle of the main cabinet body 29 in the height direction through an evaporator core body bracket 6, and a first blast motor 7 and a first blast motor air inlet cover 8 are arranged above the first evaporator core body 5; a condensing fan 10 and a condensing fan air inlet cover 11 are arranged below the condenser assembly 3; the first blower motor 7 sucks hot air in the side base station cabinet of the main cabinet body 29 from the first blower motor air inlet cover 8, processes the hot air and blows out cold air, the condensing fan 10 sucks ambient air from the condensing fan air inlet cover 11, takes away heat dissipation capacity after passing through the condenser assembly 3 and discharges the hot air out of the main cabinet body 29;
the auxiliary cabinet is at least one, is connected to the side of the main cabinet body 29, and is internally provided with an evaporator core body, a blower motor and a blower motor air inlet cover; the evaporator core is communicated with the condenser assembly 3 through a cold evaporation pipeline, and the outlet end of the evaporator core is communicated with a compressor air suction pipe 9 to realize the circulating work;
the controller 22 and the sensor are arranged in the main cabinet body 29, and the controller 22 is electrically connected with the sensor, the electric compressor 1, the condensing fan 10 and the blower to realize intelligent control of the base station air conditioner.
Specifically, the number of the auxiliary cabinets is 2, and the auxiliary cabinets include a left auxiliary cabinet 28 and a right auxiliary cabinet 30, which are respectively installed on two sides of the main cabinet body 29;
the left auxiliary cabinet 28 has a second evaporator core 26, a second blower motor 27 therein; the inlet end of the second evaporator core 26 is connected with the condenser assembly 3 through a left cold evaporation pipeline 23, and the outlet end is communicated with the air suction pipe 9 of the compressor to realize the cycle work;
the right auxiliary cabinet 30 has a third evaporator core 16, a third blower motor 18 therein; the inlet end of the third evaporator core 16 is connected with the condenser assembly 3 through a right cold steam pipeline 19, and the outlet end is communicated with the air suction pipe 9 of the compressor to realize the cycle work.
Specifically, a first expansion valve 21 is arranged between the main cold evaporation pipeline 4 and the first evaporator core 5;
a second expansion valve 25 is arranged between the left cold evaporation pipeline 23 and the second evaporator core 26;
a third expansion valve 17 is arranged between the right cold evaporation pipeline 19 and the third evaporator core 16;
the first expansion valve 21, the second expansion valve 25, and the third expansion valve 17 may be mechanical expansion valves or electronic expansion valves;
the electronic expansion valve is electrically connected to the controller 22 to realize intelligent control of the opening degrees of the first expansion valve 21, the second expansion valve 25, and the third expansion valve 17.
Specifically, the first expansion valve 21, the second expansion valve 25, and the third expansion valve 17 may be all mechanical expansion valves or electronic expansion valves;
one of the two valves adopts a mechanical expansion valve, and the other two valves adopt electronic expansion valves; or one of the two valves adopts an electronic expansion valve, and the other two valves adopt mechanical expansion valves.
Specifically, the sensors include a low-pressure refrigerant temperature sensor 14, a high-pressure refrigerant temperature sensor 15, a first refrigerant temperature sensor 20, and a second refrigerant temperature sensor 24;
the low-pressure refrigerant temperature sensor 14 is arranged on the air suction pipe 9 of the compressor, and the controller 22 can control the opening degree of the electronic expansion valve according to the superheat degree of the refrigerant detected by the low-pressure refrigerant temperature sensor 14;
the high-pressure refrigerant temperature sensor 15 is arranged on the compressor exhaust pipe 2, and the controller 22 controls the rotating speed of the condensing fan 10 according to the refrigerant high-pressure frequency modulation.
Specifically, an exhaust bypass damper 13 and a servo motor 12 are arranged at the lower part of the inner cavity of the main cabinet body 29, and the servo motor 12 is electrically connected with the controller 22.
Specifically, the first evaporator core 5, the second evaporator core 26 and the third evaporator core 16 are the same in structure size and are double parallel flow evaporators with the core thickness of 24-48 mm.
Specifically, the condenser assembly 3 adopts a parallel flow type condenser assembly with a core thickness in the range of 12-32 mm.
Specifically, the condensing fan 10 adopts a brushless direct-current outer rotor motor, and the rated power range is 100 and 200W;
the first blower motor 7, the second blower motor 27 and the third blower motor 18 adopt brushless direct current outer rotor motors, and the rated power ranges from 20W to 60W;
the electric compressor 1 adopts a rotor compressor, and the discharge capacity is 20cc-50 cc.
More specifically, the utility model provides a double cabinet and multi-connected cabinet base station air conditioner, which realizes multi-connected cabinets by connecting auxiliary cabinets on the side surfaces of the main cabinet 29, as shown in fig. 1-2, is a triple cabinet base station air conditioner when the left and right side surfaces are both connected with the auxiliary cabinets; as shown in fig. 3-4, the dual-cabinet base station air conditioner is a dual-cabinet base station air conditioner in which one side surface is connected with an auxiliary cabinet, and the auxiliary cabinet is connected to a side far away from the condenser assembly 3; as shown in fig. 5-6, there are various ways of connecting an auxiliary cabinet to a side adjacent to the condenser assembly 3. The working principle of the duplex cabinet base station air conditioner is the same as that of the triplex cabinet base station air conditioner.
Taking a triple-cabinet base station air conditioner as an example, the multiple-cabinet base station air conditioner comprises a refrigerant subsystem, a ventilation part, an electrical appliance control part, a main cabinet body 29, and a left auxiliary cabinet 28 and a right auxiliary cabinet 30 which are connected to the left side and the right side of the main cabinet body 29; an exhaust port of an electric compressor 1 in a refrigerant subsystem is connected with an inlet end of an electric compressor exhaust pipe 2, an outlet end of the electric compressor exhaust pipe 2 is connected with an inlet end of a condenser assembly 3, an outlet end of the condenser assembly 3 is connected with an inlet end of a main cold evaporation pipeline 4, an outlet end of the main cold evaporation pipeline 4 is connected with an inlet end of a first expansion valve 21, and an outlet end of the first expansion valve 21 is connected with an inlet end of a first evaporator core body 5; the outlet end of the first evaporator core body 5 is connected with the inlet end of a compressor air suction pipe 9; the outlet end of the condenser assembly 3 is connected with the inlet end of a left cold evaporation pipeline 23, the outlet end of the left cold evaporation pipeline 23 is connected with the inlet end of a second expansion valve 25, and the outlet end of the second expansion valve 25 is connected with the inlet end of a second evaporator core 26; the outlet end of the second evaporator core 26 is connected to the inlet end of the compressor suction duct 9; the outlet end of the condenser assembly 3 is connected with the inlet end of a right cold evaporation pipeline 19, the outlet end of the right cold evaporation pipeline 19 is connected with the inlet end of a third expansion valve 17, and the outlet end of the third expansion valve 17 is connected with the inlet end of a third evaporator core 16; the outlet end of the third evaporator core 16 is connected with the inlet end of the compressor suction pipe 9; the outlet end of the compressor air suction pipe 9 is connected with the air suction port of the electric compressor 1, and the working cycle of a refrigerant subsystem is completed in cycles.
In the ventilation component, a first blower motor 7 and a first blower motor air inlet cover 8 are respectively arranged on a main cabinet body 29, a first evaporator core body 5 is also arranged on the main cabinet body 29 through an evaporator core bracket 6, and an air blowing port is additionally arranged on the main cabinet body 29; the first blower motor 7 sucks hot air in the main cabinet body 29 from the first blower motor air inlet cover 8, the hot air is cooled after passing through the first evaporator core 5, and then cold air is blown out into the main cabinet body 29 from the air blowing port. The working principle of the ventilation components of the left auxiliary cabinet 28 and the right auxiliary cabinet 30 is the same as that of the left auxiliary cabinet and the right auxiliary cabinet, and the description is omitted.
In the ventilation part, a condensing fan 10 and a condensing fan air inlet cover 11 are respectively arranged on a main cabinet body 29, a condenser assembly 3 is also arranged on the main cabinet body 29, and an air outlet is additionally arranged on the main cabinet body 29; the condensing fan 10 sucks ambient air from the condensing fan air inlet cover 11, takes away heat dissipation of the condenser assembly 3 after passing through the condenser assembly 3, and discharges hot air from the air outlet to the outside of the main cabinet 29.
The controller 22 in the electrical appliance control part is respectively connected with the electric compressor 1, the condensation fan 10, the first air blowing motor 7, the second air blowing motor 27, the third air blowing motor 18 and various sensors through wire harnesses, software programs are arranged in the controller, intelligent control is achieved through feedback signals of various sensors and various electrical appliances, and the opening degrees of the electric compressor 1, the condensation fan 10, the first air blowing motor 7, the second air blowing motor 27, the third air blowing motor 18 and the electronic expansion valve in the frequency conversion regulation cabinet are controlled.
It should be noted that the base station air conditioner adopts a one-driving-three mode (two cabinets: one-driving-two), namely a system matching mode of one electric compressor 1, one condenser assembly 3 and three evaporator cores with the same structure and size; the temperature in each cabinet can be controlled in a partitioning manner. Because of the adoption of the modular design mode of building block type, the air conditioner of the base station with double cabinets and multiple cabinets can be conveniently produced in a standardized and platformized way, converted and maintained.
Different from the traditional base station air conditioner which is arranged on the front door of a base station cabinet, the base station air conditioner is preferentially arranged on the back of the base station cabinet, and the base station air conditioner has the advantages of stable and reliable installation, contribution to stable operation of the base station air conditioner, improvement of the service life of a system and parts, water resistance, dust resistance, theft prevention, noise reduction and the like.
The three evaporators are identical in structure size, double parallel flow evaporators with core body thickness ranging from 24 mm to 48mm are adopted, and performance indexes are larger than 2Kw and 300m3/h (refer to QC-T657 related test methods).
The three expansion valves preferably adopt the following two modes: (1) if 2 mechanical expansion valves are adopted, the set values are different, and the parallel and cross filling is respectively adopted, so that the refrigerant distribution and the compressor oil return are facilitated.
An exhaust bypass air door 13 is designed in a chamber where the condenser assembly 3 of the main cabinet body 29 is located, the exhaust bypass air door 13 is connected with a servo motor 12, and the servo motor 12 is controlled by a controller 22; when the temperature is low in winter, the base station air conditioner still needs refrigeration work according to the heat load requirement in the cabinet, and when the condensing fan 10 is at the lowest rotating speed and the refrigerant high pressure is still very low working condition, the exhaust bypass air door 13 can be opened to reduce the air quantity passing through the condenser, so that the system high pressure is recovered to the normal range. The advantages are that: the defect that the existing base station household air conditioner is impacted on parts due to frequent switching on and off of a condensing fan or a compressor is overcome, the low-temperature range of stable operation of the base station air conditioner is widened, the service lives of the compressor and the condenser are prolonged, and the energy-saving effect is achieved.
The parallel flow type condenser assembly 3 with the core body thickness ranging from 12 mm to 32mm is adopted, and the parallel flow type condenser assembly has the advantages of high performance efficiency and light weight.
The controller 22 in the electrical appliance control is connected to the electric compressor 1, the condensing fan 10, the first blower motor 7, the second blower motor 27, the third blower motor 18, and the sensors, respectively, via a wire harness. The 3 air suction temperature sensors are distributed at the central position of the air inlet cover of the blower motor; according to the different heat load requirements of 3 base station cabinets, 3 blowers can be respectively regulated and controlled. The electric compressor 1 and the condensing fan 10 are controlled by the controller 22 according to built-in programs, intelligent frequency conversion regulation and control are carried out, and the temperature in each cabinet is controlled in a partitioning mode.
The compressor suction pipe 9 is provided with a low pressure temperature sensor 14, and a controller 22 controls the opening degree of the electronic expansion valve according to the superheat degree of the refrigerant.
A high-pressure temperature sensor 15 is installed on the compressor exhaust pipe 2, and the controller controls the rotating speed of the condensing fan according to refrigerant high-pressure frequency modulation.
The controller adopts PID algorithm according to the temperature fed back by the 3 air suction temperature sensors and the signal feedback of the electric compressor 1, automatically calculates the heat load of each cabinet, and intelligently controls the rotating speed of the electric compressor in a frequency conversion manner.
The controller 22 is provided with a 485 communication interface and is reserved with remote monitoring, alarm & reset and diagnostic functions.
The refrigerant pipeline meeting the standard of the refrigerant pipeline of the vehicle air conditioner is adopted, and comprises a compressor exhaust pipe 2, a main cold evaporation pipeline 4, a compressor air suction pipe 9, a right cold evaporation pipeline 19, a left cold evaporation pipeline 23 and the like, so that the installation and the maintenance are convenient, and meanwhile, the refrigerant leakage amount is small.
The condensing fan of the base station air conditioner adopts a brushless direct current outer rotor motor, and the rated power range is 100-200W; 3 blower motors are brushless direct current outer rotor motors, and the rated power range is 20-60W; the electric compressor 1 is a rotary compressor and has a displacement of 20cc to 50 cc.
It should be noted that, when the air conditioning system operates, the electric compressor 1 is driven by electric power to operate, and discharges high-temperature and high-pressure gaseous refrigerant, and when the high-temperature and high-pressure gaseous refrigerant passes through the condenser, the condensing fan 10 operates to take away heat of the refrigerant through ambient air; the high-temperature high-pressure gaseous refrigerant passes through the condenser and then is changed into a high-temperature high-pressure liquid refrigerant, and then is subjected to pressure relief and atomization through the expansion valve and changed into a low-temperature low-pressure refrigerant; when the low-temperature and low-pressure refrigerant passes through the evaporator, the blower motor operates to suck air with higher temperature in the cabinet and blow out cool air so as to achieve the purpose of cooling the base station cabinet. The low-temperature and low-pressure refrigerant absorbs heat and is gasified after passing through the evaporator, and is completely changed into a gaseous refrigerant to return to the electric compressor 1, so that the working cycle of a refrigerant subsystem is completed, and the process is repeated. Under the intelligent control of an electric appliance control component, a base station air conditioner has two modes:
1. refrigeration mode
The refrigerant subsystem, the ventilation component and the electric appliance control component work simultaneously; the controller 22 controls the operation of the electric compressor 1, the condensing fan 10, the blower motor and the opening degree of the electronic expansion valve; the purpose of intelligent and variable-frequency refrigeration is achieved. If the temperature in a cabinet reaches a set temperature, the corresponding blower motor can be independently closed, and if the electronic expansion valve is correspondingly arranged, the closing can be automatically controlled. While the blower motor in the motor-driven compressor 1 and other cabinets continues to operate.
2. Ventilation mode
The electric compressor 1 in the refrigerant subsystem is closed, the condenser fan 10 is also closed, and the blower motor works; the controller intelligently regulates and controls the operation of the corresponding blower motor according to the temperature in each base station cabinet, so as to achieve the purpose of maintaining the environment in the cabinet to the proper temperature and achieve the purpose of saving energy.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The utility model provides a two cabinets and ally oneself with cabinet base station air conditioner more which characterized in that includes:
the cabinet body is used as a shell of an air conditioner of the combined cabinet base station and comprises a main cabinet body (29) and an auxiliary cabinet;
a refrigerant subsystem in the main cabinet (29) and including, along a direction in which a refrigerant flows: the system comprises an electric compressor (1), a compressor exhaust pipe (2), a condenser assembly (3), a main cold evaporation pipeline (4) and a first evaporator core body (5); the refrigerant flows through the first evaporator core body (5) and then is connected through a compressor air suction pipe (9) to realize the circulating work;
the first evaporator core (5) is fixed in the middle of the main cabinet body (29) in the height direction through an evaporator core support (6), and a first blower motor (7) and a first blower motor air inlet cover (8) are arranged above the first evaporator core (5); a condensing fan (10) and a condensing fan air inlet cover (11) are arranged below the condenser assembly (3); the first blast motor (7) sucks hot air in the side-base station cabinet of the main cabinet body (29) from the first blast motor air inlet cover (8), processes the hot air and blows out cold air, the condensing fan (10) sucks ambient air from the condensing fan air inlet cover (11), and the ambient air passes through the condenser assembly (3) to take away heat dissipation capacity and discharges the hot air to the outside of the main cabinet body (29);
the auxiliary cabinet is at least one, is connected to the side of the main cabinet body (29), and is internally provided with an evaporator core body, a blower motor and a blower motor air inlet cover; the evaporator core is communicated with the condenser assembly (3) through a cold evaporation pipeline, and the outlet end of the evaporator core is communicated with a compressor air suction pipe (9) to realize the circulating work;
be equipped with controller (22) and sensor in the main cabinet body (29), controller (22) with the sensor motor compressor (1) condensation fan (10), air-blower electricity are connected, realize the intelligent control of basic station air conditioner.
2. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 1, wherein:
the number of the auxiliary cabinets is 2, and the auxiliary cabinets comprise a left auxiliary cabinet (28) and a right auxiliary cabinet (30) which are respectively arranged on two sides of the main cabinet body (29);
the left auxiliary cabinet (28) is internally provided with a second evaporator core (26) and a second blower motor (27); the inlet end of the second evaporator core body (26) is connected with the condenser assembly (3) through a left cold evaporation pipeline (23), and the outlet end of the second evaporator core body is communicated with the air suction pipe (9) of the compressor to realize the circulating work;
a third evaporator core (16) and a third blower motor (18) are arranged in the right auxiliary cabinet (30); the inlet end of the third evaporator core body (16) is connected with the condenser assembly (3) through a right cold evaporation pipeline (19), and the outlet end of the third evaporator core body is communicated with the air suction pipe (9) of the compressor to realize the circulating work.
3. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 2, wherein:
a first expansion valve (21) is arranged between the main cold evaporation pipeline (4) and the first evaporator core body (5);
a second expansion valve (25) is arranged between the left cold evaporation pipeline (23) and the second evaporator core body (26);
a third expansion valve (17) is arranged between the right cold evaporation pipeline (19) and the third evaporator core body (16);
the first expansion valve (21), the second expansion valve (25) and the third expansion valve (17) can adopt mechanical expansion valves or electronic expansion valves;
the electronic expansion valve may be electrically connected to the controller (22) to enable intelligent control of the opening degrees of the first expansion valve (21), the second expansion valve (25), and the third expansion valve (17).
4. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 3, wherein:
the first expansion valve (21), the second expansion valve (25) and the third expansion valve (17) can adopt mechanical expansion valves or electronic expansion valves;
one of the two valves adopts a mechanical expansion valve, and the other two valves adopt electronic expansion valves; or one of the two valves adopts an electronic expansion valve, and the other two valves adopt mechanical expansion valves.
5. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 3, wherein:
the sensors comprise a low-pressure refrigerant temperature sensor (14), a high-pressure refrigerant temperature sensor (15), a first refrigerant temperature sensor (20) and a second refrigerant temperature sensor (24);
the low-pressure refrigerant temperature sensor (14) is arranged on the air suction pipe (9) of the compressor, and the controller (22) can control the opening degree of the electronic expansion valve according to the superheat degree of the refrigerant detected by the low-pressure refrigerant temperature sensor (14);
the high-pressure refrigerant temperature sensor (15) is arranged on the compressor exhaust pipe (2), and the controller (22) controls the rotating speed of the condensing fan (10) according to refrigerant high-pressure frequency modulation.
6. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 1, wherein:
the lower part of the inner cavity of the main cabinet body (29) is provided with an exhaust bypass air door (13) and a servo motor (12), and the servo motor (12) is electrically connected with the controller (22).
7. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 2, wherein:
the first evaporator core (5), the second evaporator core (26) and the third evaporator core (16) are identical in structure size and are double parallel flow evaporators with core thicknesses of 24-48 mm.
8. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 1, wherein:
the condenser assembly (3) adopts a parallel flow type condenser assembly with a core body thickness ranging from 12 mm to 32 mm.
9. The double-cabinet and multi-cabinet base station air conditioner as claimed in claim 2, wherein:
the condensing fan (10) adopts a brushless direct-current outer rotor motor, and the rated power range is 100 and 200W;
the first blower motor (7), the second blower motor (27) and the third blower motor (18) adopt brushless direct current outer rotor motors, and the rated power ranges from 20W to 60W;
the electric compressor (1) adopts a rotor compressor, and the discharge capacity is 20cc-50 cc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918216.1U CN214757579U (en) | 2021-04-29 | 2021-04-29 | Double-cabinet and multi-cabinet base station air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918216.1U CN214757579U (en) | 2021-04-29 | 2021-04-29 | Double-cabinet and multi-cabinet base station air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214757579U true CN214757579U (en) | 2021-11-16 |
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ID=78615477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120918216.1U Active CN214757579U (en) | 2021-04-29 | 2021-04-29 | Double-cabinet and multi-cabinet base station air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214757579U (en) |
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2021
- 2021-04-29 CN CN202120918216.1U patent/CN214757579U/en active Active
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