CN216897579U - Air conditioning unit with ultra-long connecting pipeline - Google Patents

Air conditioning unit with ultra-long connecting pipeline Download PDF

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Publication number
CN216897579U
CN216897579U CN202123324798.XU CN202123324798U CN216897579U CN 216897579 U CN216897579 U CN 216897579U CN 202123324798 U CN202123324798 U CN 202123324798U CN 216897579 U CN216897579 U CN 216897579U
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connecting pipe
pipe
air
valve
air conditioner
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汪志强
符亭亭
唐菲
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Ningbo Hicon Industry Co ltd
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Ningbo Hicon Industry Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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Abstract

An air conditioning unit with an ultra-long connecting pipeline belongs to the technical field of air conditioners and comprises a fan A, a scroll compressor, a gas-liquid separator, a gas pipe ball valve A, a liquid pipe stop valve A, a liquid storage device, a condenser assembly, a fan B, a gas pipe ball valve B, an evaporator assembly, a flow dividing head, an expansion valve, a drying filter and a liquid pipe stop valve B; the components are sequentially arranged and are mutually connected through an air conditioner connecting pipe, and the condenser component is connected with the scroll compressor to form an air conditioning unit loop; the air conditioner is characterized by further comprising a bypass electromagnetic valve and a stop electromagnetic valve, wherein one end of the bypass electromagnetic valve is connected with the position, close to the gas-liquid separator, of the air conditioner connecting pipe A, and the other end of the bypass electromagnetic valve is connected with the middle of the air conditioner connecting pipe B; the utility model has the beneficial effects that: the connecting pipeline is longer, and the system pressure is balanced.

Description

Air conditioning unit with ultra-long connecting pipeline
Technical Field
The utility model relates to an air conditioning unit, in particular to an air conditioning unit with an ultra-long connecting pipeline, and belongs to the technical field of air conditioners.
Background
In the existing split air conditioning unit, the one-way connecting pipes of an inner machine and an outer machine are generally below 30m, and if the connecting pipes are too long, the problems of refrigerating capacity attenuation, unbalanced system pressure, overhigh high pressure, overlow low pressure and overhigh exhaust temperature can occur; the refrigerant of the air return pipe is lost at the moment of starting the compressor; the oil return of the refrigerating oil of the unit system is not smooth; the flow rate of the system pipeline. For special fields such as industries of steel, chemical industry, paper making and the like, the requirement of a client on the limitation of the layout space of the inner air conditioning unit and the outer air conditioning unit, the longer connecting pipeline and the requirement of cooling the space cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ultra-long connecting pipeline air conditioning unit with a connecting pipeline of more than 30m, aiming at the defects of over short length of a one-way connecting pipe of an inner machine and an outer machine and unbalanced system pressure in the prior art, and the aims of longer connecting pipeline and balanced system pressure can be achieved. And the air conditioner set can also be used for connecting pipelines below 30 m.
In order to achieve the aim, the utility model adopts the technical scheme that: the air conditioning unit comprises an outdoor fan and an indoor fan, wherein the outdoor fan comprises a fan A, a scroll compressor, a gas-liquid separator, a gas pipe ball valve A, a liquid pipe stop valve A, a liquid reservoir and a condenser assembly, and the indoor fan comprises a fan B, a gas pipe ball valve B, an evaporator assembly, a flow dividing head, an expansion valve, a drying filter and a liquid pipe stop valve B; the air conditioner comprises a scroll compressor, a gas-liquid separator, an air pipe ball valve A, an air pipe ball valve B, an evaporator assembly, a flow divider, an expansion valve, a drying filter, a liquid pipe stop valve B, a liquid pipe stop valve A, a liquid storage device and a condenser assembly which are sequentially arranged and are mutually connected through an air conditioner connecting pipe, and the condenser assembly is connected with the scroll compressor to form an air conditioner unit loop;
the outdoor fan is connected with the indoor fan through an inner and outer machine left connecting pipe and an inner and outer machine right connecting pipe, the air-conditioning connecting pipe between the scroll compressor and the gas-liquid separator is an air-conditioning connecting pipe A, the air-conditioning connecting pipe between the liquid pipe stop valve A and the liquid reservoir is an air-conditioning connecting pipe B, the air-conditioning connecting pipe between the gas-liquid separator and the gas pipe ball valve A is an air-conditioning connecting pipe C, and the air-conditioning connecting pipe between the condenser assembly and the scroll compressor is an air-conditioning connecting pipe D;
the air conditioner connecting pipe B is characterized by further comprising a bypass electromagnetic valve and a stop electromagnetic valve, wherein one end of the bypass electromagnetic valve is connected with the position, close to the gas-liquid separator, of the air conditioner connecting pipe A, and the other end of the bypass electromagnetic valve is connected with the middle of the air conditioner connecting pipe B; the problems of unbalanced system pressure and overhigh exhaust temperature are prevented through the layout of the bypass electromagnetic valve;
the cut-off electromagnetic valve is connected to the middle part of an air conditioner connecting pipe C between the gas-liquid separator and the air pipe ball valve A; the problem of refrigerant loss of the air return pipe at the moment of starting the compressor is prevented by the arrangement of the cut-off solenoid valves;
the design of adjusting the pipe diameters of a bypass electromagnetic valve, a stop electromagnetic valve, an oil separator and a connecting pipeline is adopted, the length of a left connecting pipe of an internal machine and an external machine is more than 30m, and the length of a right connecting pipe of the internal machine and the external machine is more than 30 m; the pipe diameter of the air conditioner connecting pipe is 30-40 mm.
The outer end of the left connecting pipe of the inner and outer machines is connected with the air pipe ball valve A, and the inner end of the left connecting pipe of the inner and outer machines is connected with the air pipe ball valve B; the outer end of the right connecting pipe of the inner and outer machine is connected with the liquid pipe stop valve A, and the inner end of the right connecting pipe of the inner and outer machine is connected with the liquid pipe stop valve B.
The length of the left connecting pipe of the internal and external machines is 31m, and the length of the right connecting pipe of the internal and external machines is 31 m.
The length of the left connecting pipe of the internal and external machines is 50m, and the length of the right connecting pipe of the internal and external machines is 50 m.
One end of the oil separator is connected to the air conditioner connecting pipe D close to the condenser assembly, and the other end of the oil separator is connected to the air conditioner connecting pipe A close to the scroll compressor; through reasonable flow velocity and layout of the oil separator, the oil return of the refrigerating oil of the unit system is ensured to be smooth.
The pipe diameter of the air conditioner connecting pipe is 34.9mm, and the problem of pressure drop and flow rate of a system pipeline is comprehensively balanced by the unit through adjusting the pipe diameter of the connecting pipe.
Still include needle valve A and high-voltage switch, needle valve A and high-voltage switch set up on air conditioner connecting pipe D, be close to scroll compressor department, high-voltage switch's model is B2.8/2.0.
The device also comprises a low-voltage switch and a needle valve B; the low-voltage switch and the needle valve B are arranged on the air conditioner connecting pipe A and close to the scroll compressor, and the product model of the low-voltage switch is A0.2/0.05.
Compared with the prior art, the utility model has the beneficial effects that: the air conditioning unit with the ultra-long connecting pipeline has the characteristics of adapting to the long connecting pipeline between the internal machine and the external machine, high fall, multiple protection and the like, does not have the problems of refrigeration capacity attenuation, unbalanced system pressure, overhigh high pressure, overlow low pressure and overhigh exhaust temperature, does not have the problems of refrigerant loss of a gas return pipe at the moment of starting a compressor, unsmooth oil return of refrigerating oil of a unit system and the flow rate of the system pipeline; the air conditioner cooling system can be used in special fields such as steel, chemical industry, papermaking and the like, and meets the requirements of customers on limited layout space of the inner air conditioner unit and the outer air conditioner unit, long connecting pipelines and requirement on space cooling. And the air conditioner set can also be used for connecting pipelines below 30 m.
Drawings
FIG. 1 is a schematic diagram of: the utility model relates to a component connection diagram.
Description of the reference numerals: the air conditioner comprises an outdoor fan 1, a scroll compressor 101, a gas-liquid separator 102, an air pipe ball valve A103, a liquid pipe stop valve A104, a liquid storage device 105, a condenser assembly 106, an air conditioner connecting pipe A107, an air conditioner connecting pipe B108, an air conditioner connecting pipe C109, an air conditioner connecting pipe D1010, a fan A1011, an indoor fan 2, an air pipe ball valve B201, an evaporator assembly 202, a flow dividing head 203, an expansion valve 204, a drying filter 205, a liquid pipe stop valve B206, a fan B207, an indoor and outdoor machine left connecting pipe 3, an indoor and outdoor machine right connecting pipe 4, a bypass electromagnetic valve 5, a stop electromagnetic valve 6, an oil separator 7, a needle valve A8, a high-pressure switch 9, a low-pressure switch 10 and a needle valve B11.
Detailed Description
The utility model is further described with reference to the following figures and specific examples, which are not intended to be limiting.
Example 1:
as shown in fig. 1, the air conditioning unit with an ultra-long connecting pipeline includes a fan a 1011, an outdoor fan 1 and an indoor fan 2, where the outdoor fan 1 includes a scroll compressor 101, a gas-liquid separator 102, a gas-pipe ball valve a 103, a liquid-pipe stop valve a 104, a liquid reservoir 105 and a condenser assembly 106, and the indoor fan 2 includes a fan B207, a gas-pipe ball valve B201, an evaporator assembly 202, a flow dividing head 203, an expansion valve 204, a drying filter 205 and a liquid-pipe stop valve B206; the air conditioner comprises a scroll compressor 101, a gas-liquid separator 102, an air pipe ball valve A103, an air pipe ball valve B201, an evaporator assembly 202, a flow dividing head 203, an expansion valve 204, a drying filter 205, a liquid pipe stop valve B206, a liquid pipe stop valve A104, a liquid storage device 105 and a condenser assembly 106 which are sequentially arranged and connected with one another through an air conditioner connecting pipe, wherein the condenser assembly 106 is connected with the scroll compressor 101 to form an air conditioner unit loop;
the outdoor fan 1 and the indoor fan 2 are connected through an inner and outer fan left connecting pipe 3 and an inner and outer fan right connecting pipe 4, an air-conditioning connecting pipe between the scroll compressor 101 and the gas-liquid separator 102 is an air-conditioning connecting pipe A107, an air-conditioning connecting pipe between the liquid pipe stop valve A104 and the liquid reservoir 105 is an air-conditioning connecting pipe B108, an air-conditioning connecting pipe between the gas-liquid separator 102 and the gas pipe ball valve A103 is an air-conditioning connecting pipe C109, and an air-conditioning connecting pipe between the condenser assembly 106 and the scroll compressor 101 is an air-conditioning connecting pipe D1010;
the air conditioner connecting pipe B108 is characterized by further comprising a bypass electromagnetic valve 5 and a stop electromagnetic valve 6, wherein one end of the bypass electromagnetic valve 5 is connected with the air conditioner connecting pipe A107 close to the air-liquid separator 102, and the other end of the bypass electromagnetic valve 5 is connected with the middle of the air conditioner connecting pipe B108; by the layout of the bypass electromagnetic valve 5, the problems of unbalanced system pressure and overhigh exhaust temperature are prevented;
the cut-off electromagnetic valve 6 is connected to the middle part of an air conditioner connecting pipe C109 between the gas-liquid separator 102 and the air pipe ball valve A103; the problem of refrigerant loss of an air return pipe at the moment of starting the scroll compressor 101 is prevented by the layout of the cut-off solenoid valve 6;
the design of adjusting the pipe diameter of a connecting pipeline is adopted, wherein the design comprises a bypass electromagnetic valve 5, a stop electromagnetic valve 6, an oil separator 7 and the like.
The outer end of the left connecting pipe 3 of the inner and outer units is connected with a gas pipe ball valve A103, and the inner end of the left connecting pipe 3 of the inner and outer units is connected with a gas pipe ball valve B201; the outer end of the inner and outer machine right connecting pipe 4 is connected with a liquid pipe stop valve A104, and the inner end of the inner and outer machine right connecting pipe 4 is connected with a liquid pipe stop valve B206.
The length of the left connecting pipe 3 of the inner and outer units is 31m, and the length of the right connecting pipe 4 of the inner and outer units is 31 m.
The oil separator 7 is further included, one end of the oil separator 7 is connected to the air conditioner connecting pipe D1010 close to the condenser assembly 106, and the other end of the oil separator 7 is connected to the air conditioner connecting pipe A107 close to the scroll compressor 101; through reasonable flow velocity and the layout of the oil separator 7, the oil return of the refrigerating oil of the unit system is ensured to be smooth.
The pipe diameter of the air conditioner connecting pipe is 34.9mm, and the problem of pressure drop and flow rate of a system pipeline is comprehensively balanced by the unit through adjusting the pipe diameter of the air conditioner connecting pipe.
Still include needle valve A8 and high voltage switch 9, needle valve A8 and high voltage switch 9 set up on air conditioner connecting pipe D1010, are close to scroll compressor 101 department, high voltage switch 9's model is B2.8/2.0.
The device also comprises a low-voltage switch 10 and a needle valve B11; the low-voltage switch 10 and the needle valve B11 are arranged on the air conditioner connecting pipe A107 and close to the scroll compressor 101, and the product model of the low-voltage switch 10 is A0.2/0.05.
Example 2:
an air conditioning unit with an ultra-long connecting pipeline comprises an inner machine and outer machine left connecting pipe 3 and an inner machine and outer machine right connecting pipe; the length of the left connecting pipe 3 of the inner and outer units is 50m, and the length of the right connecting pipe 4 of the inner and outer units is 50 m.
The same as in example 1.
The above-described embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims (8)

1. The air conditioning unit comprises an outdoor fan and an indoor fan, wherein the outdoor fan comprises a fan A, a scroll compressor, a gas-liquid separator, an air pipe ball valve A, a liquid pipe stop valve A, a liquid storage device and a condenser assembly, and the indoor fan comprises a fan B, an air pipe ball valve B, an evaporator assembly, a flow dividing head, an expansion valve, a drying filter and a liquid pipe stop valve B; the air conditioner comprises a scroll compressor, a gas-liquid separator, an air pipe ball valve A, an air pipe ball valve B, an evaporator assembly, a flow divider, an expansion valve, a drying filter, a liquid pipe stop valve B, a liquid pipe stop valve A, a liquid storage device and a condenser assembly which are sequentially arranged and are mutually connected through an air conditioner connecting pipe, and the condenser assembly is connected with the scroll compressor to form an air conditioner unit loop; the method is characterized in that:
the outdoor fan is connected with the indoor fan through an inner and outer machine left connecting pipe and an inner and outer machine right connecting pipe, the air-conditioning connecting pipe between the scroll compressor and the gas-liquid separator is an air-conditioning connecting pipe A, the air-conditioning connecting pipe between the liquid pipe stop valve A and the liquid reservoir is an air-conditioning connecting pipe B, the air-conditioning connecting pipe between the gas-liquid separator and the gas pipe ball valve A is an air-conditioning connecting pipe C, and the air-conditioning connecting pipe between the condenser assembly and the scroll compressor is an air-conditioning connecting pipe D;
the air conditioner connecting pipe B is characterized by further comprising a bypass electromagnetic valve and a stop electromagnetic valve, wherein one end of the bypass electromagnetic valve is connected with the position, close to the gas-liquid separator, of the air conditioner connecting pipe A, and the other end of the bypass electromagnetic valve is connected with the middle of the air conditioner connecting pipe B;
the cut-off electromagnetic valve is connected to the middle part of an air conditioner connecting pipe C between the gas-liquid separator and the air pipe ball valve A;
the length of the left connecting pipe of the internal machine and the external machine is more than 30m, and the length of the right connecting pipe of the internal machine and the external machine is more than 30 m; the pipe diameter of the air conditioner connecting pipe is 30-40 mm.
2. The air conditioning unit with ultra-long connecting pipelines as claimed in claim 1, wherein: the outer end of the left connecting pipe of the inner and outer machines is connected with the air pipe ball valve A, and the inner end of the left connecting pipe of the inner and outer machines is connected with the air pipe ball valve B; the outer end of the right connecting pipe of the inner and outer machine is connected with the liquid pipe stop valve A, and the inner end of the right connecting pipe of the inner and outer machine is connected with the liquid pipe stop valve B.
3. The air conditioning unit with the overlength connecting pipeline as claimed in claim 1, wherein: the length of the left connecting pipe of the internal and external machines is 31m, and the length of the right connecting pipe of the internal and external machines is 31 m.
4. The air conditioning unit with ultra-long connecting pipelines as claimed in claim 1, wherein: the length of the left connecting pipe of the internal and external machines is 50m, and the length of the right connecting pipe of the internal and external machines is 50 m.
5. The air conditioning unit with ultra-long connecting pipelines as claimed in claim 1, wherein: one end of the oil separator is connected to the position, close to the condenser assembly, of the air conditioner connecting pipe D, and the other end of the oil separator is connected to the position, close to the scroll compressor, of the air conditioner connecting pipe A.
6. The air conditioning unit with ultra-long connecting pipelines as claimed in claim 1, wherein: the pipe diameter of the air conditioner connecting pipe is 34.9 mm.
7. The air conditioning unit with ultra-long connecting pipelines as claimed in claim 1, wherein: still include needle valve A and high-voltage switch, needle valve A and high-voltage switch set up on air conditioner connecting pipe D, be close to scroll compressor department, high-voltage switch's model is B2.8/2.0.
8. The air conditioning unit with ultra-long connecting pipelines as claimed in claim 1, wherein: the device also comprises a low-pressure switch and a needle valve B; the low-voltage switch and the needle valve B are arranged on the air conditioner connecting pipe A and close to the scroll compressor, and the product model of the low-voltage switch is A0.2/0.05.
CN202123324798.XU 2021-12-25 2021-12-25 Air conditioning unit with ultra-long connecting pipeline Active CN216897579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123324798.XU CN216897579U (en) 2021-12-25 2021-12-25 Air conditioning unit with ultra-long connecting pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123324798.XU CN216897579U (en) 2021-12-25 2021-12-25 Air conditioning unit with ultra-long connecting pipeline

Publications (1)

Publication Number Publication Date
CN216897579U true CN216897579U (en) 2022-07-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123324798.XU Active CN216897579U (en) 2021-12-25 2021-12-25 Air conditioning unit with ultra-long connecting pipeline

Country Status (1)

Country Link
CN (1) CN216897579U (en)

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