CN211345502U - Pressure relieving structure with buffer fluid pressure fluctuation and air conditioning unit - Google Patents
Pressure relieving structure with buffer fluid pressure fluctuation and air conditioning unit Download PDFInfo
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- CN211345502U CN211345502U CN201922110889.XU CN201922110889U CN211345502U CN 211345502 U CN211345502 U CN 211345502U CN 201922110889 U CN201922110889 U CN 201922110889U CN 211345502 U CN211345502 U CN 211345502U
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Abstract
The utility model relates to a pressure relief structure and an air conditioning unit with buffer fluid pressure fluctuation, which comprises a compressor and an oil pump connected with the compressor and used for conveying lubricating oil, wherein a pressure relief device arranged in series is also arranged on an output pipeline of the oil pump; the pressure relief device comprises a liquid inlet and a liquid outlet, a pressure relief pipe connected with the liquid inlet and the liquid outlet respectively is arranged in the pressure relief device, and a plurality of pressure relief holes for communicating the inside and the outside of the pressure relief pipe are formed in the surface of the pressure relief pipe; the utility model has the advantages of reasonable design, the device is exactly under the unstable condition of oil pressure, through its inside pressure relieving structure, makes the oil pressure become steady, controllable, through selecting appropriate pressure relieving pipe size, can guarantee that the pressure of oil pressure is steady, provides reliable oil supply pressure protection.
Description
Technical Field
The utility model relates to an air conditioning unit technical field especially relates to a slowly press structure and air conditioning unit with buffering fluid pressure is undulant.
Background
In the prior art, for a centrifugal unit and a screw unit which are provided with a built-in or external oil pump, because the selection of the oil pump is not matched or the circulating pipeline behind the oil pump is too long and complex, the oil pressure of lubricating oil pumped out by the oil pump can fluctuate to different degrees, and the oil pressure detection is generally used for oil supply pressure protection, and the fluctuation of the oil pressure directly influences the value of the oil supply pressure protection.
Disclosure of Invention
In order to solve the deficiencies in the prior art, the utility model aims to provide a slow pressure structure and air conditioning unit with buffering fluid pressure fluctuation.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a slow-pressure structure with buffering fluid pressure fluctuation, includes the compressor and rather than being connected and be used for carrying the oil pump of lubricating oil, its characterized in that:
a pressure relief device arranged in series is also arranged on the output pipeline of the oil pump;
the pressure relief device comprises a liquid inlet and a liquid outlet, the pressure relief device is internally provided with a pressure relief pipe which is connected with the liquid inlet and the liquid outlet respectively, and the surface of the pressure relief pipe is provided with a plurality of pressure relief holes which are used for communicating the inside and the outside of the pressure relief pipe.
The pressure relief device comprises a tank body and end sockets, the tank body is of a circular pipe body structure and is located in the middle, the end sockets are located at two ends of the tank body, and the end sockets are of spherical structures arched towards the outer side and are hermetically connected with edges of two ends of the tank body.
The inlet and the liquid outlet of the pressure relief device are respectively provided with a connecting pipe, the outer wall of the middle part of the connecting pipe is hermetically connected with the pressure relief device, one end of the connecting pipe is positioned outside the pressure relief device and is communicated with an output pipeline, and the other end of the connecting pipe is positioned inside the pressure relief device and is communicated with the pressure relief pipe.
The outer side end of the pressure-relieving pipe is connected with the pressure-relieving device, the inner side end of the pressure-relieving pipe is arranged in a sealing mode, and the pressure-relieving hole is formed in the side wall of the pressure-relieving pipe.
The end part of the inner side of the pressure-relieving pipe is provided with an end plate matched with the end part of the pressure-relieving pipe in shape, and the edge of the end plate is aligned with the edge of the end face of the pressure-relieving pipe and is in closed connection with the edge of the end face of the pressure-relieving pipe.
The opening area of the pressure relief hole is at least 2 times of the cross-sectional area of the pressure relief pipe.
An air conditioning unit, its characterized in that: the air conditioning unit is a centrifugal unit or a screw unit, and comprises the pressure relief structure with any structure.
The utility model has the advantages that: structural design is reasonable, and the device is exactly under the unstable condition of oil pressure, through its inside pressure relieving structure, makes the oil pressure become steady, controllable, through selecting suitable pressure relieving pipe size, can guarantee that the pressure of oil pressure is steady, provides reliable oil supply pressure protection.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic cross-sectional view of a pressure relief device.
In the figure: 100 compressors, 200 oil pumps, 300 pressure relief devices, 301 tanks, 302 end sockets, 303 connecting pipes, 304 pressure relief pipes, 305 end plates and 306 pressure relief holes.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
According to the description of fig. 1 to 2: the embodiment provides a pressure relief structure with the function of buffering fluid pressure fluctuation, which comprises a compressor 100 and an oil pump 200 connected with the compressor and used for conveying lubricating oil, wherein the oil pump 200 is installed and fixed in the compressor 100 and is of a built-in structure;
the output pipeline of the oil pump 200 is also provided with a pressure relief device 300 which is arranged in series, and the pressure relief device 300 is used for enabling the oil pressure to be stable and controllable after the lubricating oil is pumped out;
the pressure-relieving device 300 comprises a tank body 301 and end enclosures 302, the tank body 301 is of a round pipe body structure and is positioned in the middle, the end enclosures 302 are positioned at two ends of the tank body 301, the end enclosures 302 are of a spherical structure which is arched towards the outer side and are hermetically welded with edges of two ends of the tank body 301, a pressure container is integrally formed, wherein a liquid inlet and a liquid outlet are respectively arranged in the middle of the end enclosures 302 at two sides of the pressure-relieving device 300, a connecting pipe 303 is respectively arranged at the liquid inlet and the liquid outlet, the connecting pipe 303 penetrates through the liquid inlet and the liquid outlet, the outer wall of the middle part of the connecting pipe 303 is hermetically connected with the pressure-relieving device 300, one end of the connecting pipe 303 is positioned at the outer side of the pressure-relieving device 300 and is communicated with an output pipeline, so that the pressure;
the outside end of the pressure-relieving pipe 304 is inserted into the inside of the connecting pipe 303 of the pressure-relieving device 300 and is inserted into each other, the diameter of the outer wall of the pressure-relieving pipe 304 is the same as the diameter of the inner wall of the connecting pipe 303, the pressure-relieving pipe 304 is welded and fixed to the inside end of the connecting pipe, the pressure-relieving pipe 304 is arranged in a sealed manner, the end plate 305 matched with the end shape of the pressure-relieving pipe is arranged at the inside end of the pressure-relieving pipe 304, the edge of the end plate 305 is aligned with the edge of the end face of the pressure-relieving pipe 304 and welded in a sealed manner, pressure-relieving holes 306 uniformly distributed are formed in the side wall of the pressure-relieving pipe 304, the pressure-relieving holes 306 are round holes, the opening area of the pressure-relieving holes 306 is 2.5 times as large as the cross-sectional area of the pressure-relieving pipe 304, so that lubricating oil.
The device buffers lubricating oil entering and exiting the device through the pressure-relieving pipe 304, can enable the oil pressure to become stable and controllable under the unstable oil pressure condition, can ensure the stable pressure of the oil pressure by selecting the size of the pressure-relieving pipe 304, and provides reliable oil supply pressure protection.
The utility model provides an air conditioning unit, air conditioning unit are centrifugal unit or screw unit, and air conditioning unit has included the pressure relief structure of above-mentioned structure to guarantee air conditioning unit's normal operating, reduced the emergence of unnecessary alarm condition.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (7)
1. The utility model provides a slow-pressure structure with buffering fluid pressure fluctuation, includes the compressor and rather than being connected and be used for carrying the oil pump of lubricating oil, its characterized in that:
a pressure relief device arranged in series is also arranged on the output pipeline of the oil pump;
the pressure relief device comprises a liquid inlet and a liquid outlet, the pressure relief device is internally provided with a pressure relief pipe which is connected with the liquid inlet and the liquid outlet respectively, and the surface of the pressure relief pipe is provided with a plurality of pressure relief holes which are used for communicating the inside and the outside of the pressure relief pipe.
2. The pressure relieving structure for relieving pressure fluctuation of fluid according to claim 1, wherein: the pressure relief device comprises a tank body and end sockets, the tank body is of a circular pipe body structure and is located in the middle, the end sockets are located at two ends of the tank body, and the end sockets are of spherical structures arched towards the outer side and are hermetically connected with edges of two ends of the tank body.
3. The pressure relieving structure for relieving pressure fluctuation of fluid according to claim 1, wherein: the inlet and the liquid outlet of the pressure relief device are respectively provided with a connecting pipe, the outer wall of the middle part of the connecting pipe is hermetically connected with the pressure relief device, one end of the connecting pipe is positioned outside the pressure relief device and is communicated with an output pipeline, and the other end of the connecting pipe is positioned inside the pressure relief device and is communicated with the pressure relief pipe.
4. The pressure relieving structure for relieving pressure fluctuation of fluid according to claim 1, wherein: the outer side end of the pressure-relieving pipe is connected with the pressure-relieving device, the inner side end of the pressure-relieving pipe is arranged in a sealing mode, and the pressure-relieving hole is formed in the side wall of the pressure-relieving pipe.
5. The pressure relieving structure for relieving pressure fluctuation of fluid according to claim 4, wherein: the end part of the inner side of the pressure-relieving pipe is provided with an end plate matched with the end part of the pressure-relieving pipe in shape, and the edge of the end plate is aligned with the edge of the end face of the pressure-relieving pipe and is in closed connection with the edge of the end face of the pressure-relieving pipe.
6. The pressure relieving structure for relieving pressure fluctuation of fluid according to claim 1, wherein: the opening area of the pressure relief hole is at least 2 times of the cross-sectional area of the pressure relief pipe.
7. An air conditioning unit, its characterized in that: the air conditioning unit is a centrifugal unit or a screw unit, and the air conditioning unit comprises the pressure relief structure of any one of the claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110889.XU CN211345502U (en) | 2019-11-30 | 2019-11-30 | Pressure relieving structure with buffer fluid pressure fluctuation and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110889.XU CN211345502U (en) | 2019-11-30 | 2019-11-30 | Pressure relieving structure with buffer fluid pressure fluctuation and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211345502U true CN211345502U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922110889.XU Active CN211345502U (en) | 2019-11-30 | 2019-11-30 | Pressure relieving structure with buffer fluid pressure fluctuation and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211345502U (en) |
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2019
- 2019-11-30 CN CN201922110889.XU patent/CN211345502U/en active Active
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