CN217785527U - Air conditioning system with condenser end rear pipeline liquid seal prevention structure - Google Patents
Air conditioning system with condenser end rear pipeline liquid seal prevention structure Download PDFInfo
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- CN217785527U CN217785527U CN202221043049.1U CN202221043049U CN217785527U CN 217785527 U CN217785527 U CN 217785527U CN 202221043049 U CN202221043049 U CN 202221043049U CN 217785527 U CN217785527 U CN 217785527U
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- pipeline
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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 system with a condenser end rear pipeline liquid seal prevention structure comprises an evaporator, a compressor, a condenser, a liquid storage tank, a drying filter and pipelines connected with each other, wherein a first one-way valve is arranged on the pipeline between the condenser and the drying filter, an electronic expansion valve is arranged on the pipeline between the drying filter and the evaporator, and a second one-way valve is arranged on the pipeline between the liquid storage tank and the drying filter; a pressure relief pipe is led out from a pipeline between the first one-way valve and the electronic expansion valve and connected to a pipeline between the compressor and the condenser, and a third one-way valve is arranged on the pressure relief pipe. The utility model discloses the liquid seal structure of preventing that sets up for pipeline between first check valve to the second check valve, first check valve to the pipeline between the electronic expansion valve, second check valve to the pipeline between the electronic expansion valve can all carry out automatic pressure release at the system shutdown and handle, thereby played the effect of preventing liquid seal, and then avoided the pipeline to damage.
Description
Technical Field
The utility model relates to an air conditioning refrigeration system technical field, in particular to possess condenser end back pipeline and prevent liquid seal structure's air conditioning system, especially be arranged in preventing liquid seal between condenser back check valve and the electronic expansion valve pipeline among the air conditioning system.
Background
The air conditioning system using liquid as refrigerant medium includes evaporator, compressor, condenser, liquid storage tank and drying filter, and the pipeline between the condenser and the drying filter and the pipeline between the liquid storage tank and the drying filter are respectively equipped with one-way valve, and the pipeline between the drying filter and the evaporator is equipped with an electronic expansion valve, and the pipeline between the evaporator and the liquid storage tank is parallelly connected with one-way valve and a two-way electromagnetic valve, and under the condition of that the whole air conditioning system is powered on and is in operation, the flow direction of one path of refrigerant medium is that the refrigerant medium is passed through one-way valve from condenser, then fed into the drying filter, then passed through electronic expansion valve from drying filter and fed into evaporator, and the flow direction of another path of refrigerant medium is that the refrigerant medium is passed through drying filter from liquid storage tank, and at the same time the refrigerant medium can be passed through in two-way when the electromagnetic valve is opened between the liquid storage tank and evaporator. When the whole air conditioning system is in a shutdown state after power failure, the electronic expansion valve is closed, and the electromagnetic valve is closed.
In the process of practical use and implementation of the utility model, the applicant finds that the existing air conditioning system has at least the following problems:
1. when the unit is stopped, the electronic expansion valve is in a closed state, a liquid seal may exist between the one-way valves at the rear end of the condenser in the process of refrigeration cycle, and the part I and the part II which are framed by dotted line square frames in the attached drawing 1 are pipeline parts with the liquid seal. The storage space of the pipeline is small, the pressure changes along with the change of the outdoor environment temperature, and when the environment temperature is high, the pressure of the pipeline rises, which is not beneficial to the safety of system components.
2. Because a part of pipelines are not provided with safety valves, when an emergency (such as a fire disaster) is met, the pressure of gas is continuously increased under the action of high temperature, and when the pipeline reaches the limit pressure, explosion occurs.
In view of this, how to solve the problem that the liquid seal may exist on the condenser rear end check valve pipeline and the potential safety hazard is caused when meeting emergency when the unit that exists among the current air conditioning system stops, the utility model discloses the problem that will solve is just become the utility model discloses research.
Disclosure of Invention
The utility model provides an air conditioning system who possesses condenser end rear pipeline and prevent liquid seal structure, thereby the condenser rear end check valve pipeline that its purpose will solve exist among the current air conditioning system probably has the liquid seal and meet emergency and lead to the potential safety hazard scheduling problem on the time unit shut down to play the protection system part, prevent the effect that the pipeline bursts.
In order to achieve the above object, the utility model adopts a technical scheme that: an air conditioning system with a condenser end rear pipeline liquid seal prevention structure comprises an evaporator, a compressor, a condenser, a liquid storage tank, a drying filter and pipelines connected with each other, wherein a first one-way valve is arranged on the pipeline between the condenser and the drying filter, an electronic expansion valve is arranged on the pipeline between the drying filter and the evaporator, a second one-way valve is arranged on the pipeline between the liquid storage tank and the drying filter, and the whole air conditioning system is in a running state when being electrified; a pressure relief pipe is led out from a pipeline between the first one-way valve and the electronic expansion valve and connected to a pipeline between the compressor and the condenser, a third one-way valve is arranged on the pressure relief pipe, and the flow direction of the third one-way valve is from the pipeline between the first one-way valve and the electronic expansion valve to the pipeline between the compressor and the condenser; and a first safety valve is arranged on a pipeline between the condenser and the first one-way valve.
The related content of the utility model is explained as follows:
1. the utility model discloses in, thereby can have the liquid seal and meet emergency and lead to the potential safety hazard scheduling problem on the condenser rear end check valve pipeline when the unit that exists stops to among the current air conditioning system, improve air conditioning system, wherein follow draw forth on the pipeline between first check valve, the electronic expansion valve all the way pressure release pipe connection to on the pipeline between compressor and the condenser, be provided with the third check valve simultaneously on this pressure release pipe, the structure has constituted the liquid seal prevention structure of condenser end rear pipeline from this to establish ties it with the condenser, be in high temperature when ambient temperature, the pipeline pressure at this position rises, and accessible pressure release hose is with its pressure release. The function of protecting the system components is achieved; simultaneously, because of condenser end back pipeline has also placed first relief valve, when special situations such as conflagration take place, first relief valve can carry out the pressure release, prevents that the pipeline from bursting.
2. The utility model discloses in, the pressure release pipe is connected first check valve is to the pipeline between the second check valve for first check valve can both carry out the pressure release to the pipeline between the second check valve, first check valve to the pipeline between the electronic expansion valve, second check valve to the pipeline between the electronic expansion valve and handle, thereby protection air conditioning system.
3. The utility model discloses in the pressure release pipe with the tie point rear end of the pipeline between compressor and the condenser is equipped with the second relief valve.
4. The utility model discloses in, the hose of pressure release pipe for making by soft materials makes the pressure release pipe better must stride other pipelines, can not change original air conditioning system's pipeline overall arrangement, reduces the time of modified cost, cost.
5. In the utility model, the first check valve and the second check valve adopt check valves with model specifications of DXF-26 ID42xID42; the third check valve adopts a NRV-6 (SAE 1/4') model specification check valve. The specifications of the one-way valves are different, and the one-way valves are suitable for respective use scenes, so that the use of the one-way valves is more reliable and stable.
6. The utility model discloses in, first relief valve and second relief valve adopt the relief valve of SFA-22C300T14.45MPa 1/2 "model specification, adopt suitable model specification, make the use of relief valve more reliable, stable.
7. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled in any other manner that does not materially affect the operation of the device, unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
8. In the present invention, the terms "center", "upper", "lower", "axial", "bottom", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional assembly relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
9. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Because of the application of above-mentioned scheme, compared with the prior art, the utility model have following advantage and effect:
1. the above technical scheme of the utility model, thereby can have the liquid seal and meet emergency and lead to potential safety hazard scheduling problem on the condenser rear end check valve pipeline when stopping to the unit that exists among the current air conditioning system, improve air conditioning system, wherein follow draw forth on the pipeline between first check valve, the electronic expansion valve all the way pressure release union coupling to on the pipeline between compressor and the condenser, be provided with the third check valve on this pressure release pipe simultaneously, the structure has constituted the liquid seal prevention structure of condenser end rear pipeline from this to with it and condenser series connection, be in high temperature when ambient temperature, the pipeline pressure at this position rises, accessible pressure release hose, with its pressure release. And the function of protecting the system components is realized.
2. The above technical scheme of the utility model, first relief valve has also been placed at condenser end back pipeline, and when special cases such as conflagration breaing out, first relief valve can carry out the pressure release, prevents that the pipeline from bursting, further strengthens the protection of system's part.
Drawings
FIG. 1 is a system block diagram of a prior art air conditioning system;
fig. 2 is a system block diagram of an air conditioning system with a condenser end rear pipeline liquid-tight structure according to an embodiment of the present invention.
The drawings are shown in the following parts:
1. evaporator and evaporator assembly
2. Compressor with a compressor housing having a plurality of compressor blades
3. Condenser
4. Liquid storage tank
5. Drying filter
6. First check valve
7. Electronic expansion valve
8. Second check valve
9. Pressure relief pipe
10. Third check valve
11. First safety valve
12. A second relief valve.
Detailed Description
The present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
As shown in fig. 2, an air conditioning system with a condenser end rear pipeline liquid seal prevention structure according to an embodiment of the present invention is particularly used for preventing liquid seal between a condenser 3 rear check valve and an electronic expansion valve 7 pipeline in an air conditioning system, the air conditioning system includes an evaporator 1, a compressor 2, a condenser 3, a liquid storage tank 4, a dry filter 5 and pipelines connected with each other, a first check valve 6 is provided on the pipeline between the condenser 3 and the dry filter 5, an electronic expansion valve 7 is provided on the pipeline between the dry filter 5 and the evaporator 1, a second check valve 8 is provided on the pipeline between the liquid storage tank 4 and the dry filter 5, the whole air conditioning system is powered on and in a running state, wherein a flow direction of one path of refrigerant medium is from the condenser 3 to the dry filter 5 after passing through the first check valve 6, and then from the dry filter 5 to the evaporator 1 after passing through the electronic expansion valve 7, and a flow direction of the other path of refrigerant medium is from the liquid storage tank 4 to the dry filter 5 through the second check valve 8; a pressure relief pipe 9 is led out from the pipeline between the first one-way valve 6 and the electronic expansion valve 7 and connected to the pipeline between the compressor 2 and the condenser 3, a third one-way valve 10 is arranged on the pressure relief pipe 9, and the flow direction of the third one-way valve 10 is from the pipeline between the first one-way valve 6 and the electronic expansion valve 7 to the pipeline between the compressor 2 and the condenser 3; a first safety valve 11 is arranged on a pipeline between the condenser 3 and the first check valve 6.
The embodiment of the utility model provides a set up the liquid seal structure of preventing that mainly comprises the pressure release pipe 9 for pipeline between first check valve 6 to the second check valve 8, pipeline between first check valve 6 to the electronic expansion valve 7, second check valve 8 to the electronic expansion valve 7 between the pipeline can all carry out automatic pressure release at the system shutdown and handle, thereby played the effect of preventing liquid seal, and then avoided the pipeline to damage.
Through the implementation of the embodiment, aiming at the problems that when a unit in the existing air conditioning system is shut down, a liquid seal may exist on a pipeline of a one-way valve at the rear end of a condenser 3, and a potential safety hazard is caused by an emergency, and the like, the air conditioning system is improved, wherein a pressure relief pipe 9 is led out from a pipeline between a first one-way valve 6 and an electronic expansion valve 7 and connected to a pipeline between a compressor 2 and the condenser 3, and a third one-way valve 10 is arranged on the pressure relief pipe 9, so that a liquid seal prevention structure of the pipeline at the rear end of the condenser 3 is formed by the structure, the liquid seal prevention structure is connected with the condenser 3 in series, and when the ambient temperature is high, the pipeline pressure at the part is increased, and the pressure relief hose can be used for relieving the pressure. The function of protecting the system components is achieved; meanwhile, the first safety valve 11 is also arranged on the rear pipeline at the end of the condenser 3, so that the first safety valve 11 can release pressure when special conditions such as fire happen, and the pipeline is prevented from bursting.
The embodiment of the utility model provides an in, the pressure release pipe 9 is connected first check valve 6 pipeline between to second check valve 8 for pipeline between first check valve 6 to second check valve 8, first check valve 6 pipeline between to electronic expansion valve 7, second check valve 8 pipeline between to electronic expansion valve 7 can both carry out the pressure release and handle, thereby protection air conditioning system. Specifically, a second safety valve 12 is provided at the rear end of a connection point of the pressure relief pipe 9 and a pipe between the compressor 2 and the condenser 3.
The embodiment of the utility model provides an in, the hose of pressure release pipe 9 for making by soft materials makes pressure release pipe 9 better must stride other pipelines, can not change original air conditioning system's pipeline overall arrangement, reduces the time of modified cost, expense.
In the embodiment of the present invention, the first check valve 6 and the second check valve 8 are check valves of DXF-26 id42xidd 42 model; the third check valve 10 is a NRV-6 (SAE 1/4') type standard check valve. The specifications of the one-way valves are different, and the one-way valves are suitable for respective use scenes, so that the use of the one-way valves is more reliable and stable. Meanwhile, the first safety valve 11 and the second safety valve 12 adopt SFA-22C300T14.45MPa 1/2' type safety valves, and adopt proper type specifications, so that the safety valves are more reliable and stable in use.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides an air conditioning system who possesses condenser end back pipeline and prevent liquid seal structure which characterized in that: the air conditioning system comprises an evaporator (1), a compressor (2), a condenser (3), a liquid storage tank (4), a drying filter (5) and pipelines connected with each other, wherein a first one-way valve (6) is arranged on the pipeline between the condenser (3) and the drying filter (5), an electronic expansion valve (7) is arranged on the pipeline between the drying filter (5) and the evaporator (1), a second one-way valve (8) is arranged on the pipeline between the liquid storage tank (4) and the drying filter (5), and the whole air conditioning system is in a running state when being electrified, wherein the flow direction of one path of refrigerant medium is that the refrigerant medium flows out of the condenser (3), passes through the first one-way valve (6), enters the drying filter (5), then passes through the electronic valve (7) and then enters the evaporator (1), and the flow direction of the other path of refrigerant medium flows out of the liquid storage tank (4), passes through the second one-way valve (8) and enters the drying filter (5); a pressure relief pipe (9) is led out from the pipeline between the first one-way valve (6) and the electronic expansion valve (7) and connected to the pipeline between the compressor (2) and the condenser (3), a third one-way valve (10) is arranged on the pressure relief pipe (9), and the flow direction of the third one-way valve (10) is from the pipeline between the first one-way valve (6) and the electronic expansion valve (7) to the pipeline between the compressor (2) and the condenser (3); and a first safety valve (11) is arranged on a pipeline between the condenser (3) and the first one-way valve (6).
2. The air conditioning system with the structure for preventing the liquid seal of the rear pipeline of the condenser end as claimed in claim 1, wherein: the pressure relief pipe (9) is connected with a pipeline between the first one-way valve (6) and the second one-way valve (8).
3. An air conditioning system with a condenser end rear pipeline liquid seal prevention structure according to claim 2, characterized in that: and a second safety valve (12) is arranged at the rear end of a connecting point of the pressure relief pipe (9) and a pipeline between the compressor (2) and the condenser (3).
4. An air conditioning system with a condenser end rear pipeline liquid seal prevention structure according to claim 3, wherein: the pressure relief pipe (9) is a hose made of soft materials.
5. The air conditioning system with the structure for preventing the liquid seal of the rear pipeline of the condenser end as claimed in claim 4, wherein: the first check valve (6) and the second check valve (8) adopt check valves with model specifications of DXF-26 ID42xID42; the third check valve (10) adopts a check valve with the model specification of NRV-6 (SAE 1/4').
6. The air conditioning system with the condenser end rear pipeline liquid seal prevention structure as claimed in claim 4, wherein: the first safety valve (11) and the second safety valve (12) adopt SFA-22C300T14.45MPa 1/2' type safety valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221043049.1U CN217785527U (en) | 2022-04-30 | 2022-04-30 | Air conditioning system with condenser end rear pipeline liquid seal prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221043049.1U CN217785527U (en) | 2022-04-30 | 2022-04-30 | Air conditioning system with condenser end rear pipeline liquid seal prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217785527U true CN217785527U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221043049.1U Active CN217785527U (en) | 2022-04-30 | 2022-04-30 | Air conditioning system with condenser end rear pipeline liquid seal prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217785527U (en) |
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2022
- 2022-04-30 CN CN202221043049.1U patent/CN217785527U/en active Active
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