CN216204516U - Built-in oil content structure and condenser - Google Patents
Built-in oil content structure and condenser Download PDFInfo
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- CN216204516U CN216204516U CN202122604963.0U CN202122604963U CN216204516U CN 216204516 U CN216204516 U CN 216204516U CN 202122604963 U CN202122604963 U CN 202122604963U CN 216204516 U CN216204516 U CN 216204516U
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Abstract
The utility model discloses a built-in oil separation structure and a condenser.A two-layer filter screen is arranged below at least one air inlet, and an oil separation space is formed between the two filter screens through a baffle plate containing a part of vertical structure; the baffle is vertically provided with a notch above the upper-layer filter screen as a secondary outflow notch, and at least one notch is arranged between the two layers of filter screens along the central line direction of the cylinder body as a primary outflow notch; the V-shaped bottom partition plate with a bottom notch is arranged below the lower-layer filter screen, the bottom notch is spaced right above the lower-layer filter screen, and an oil separation space above the bottom partition plate is communicated with a condensation area below the oil separation space. The utility model has simpler assembly, can further reduce the volume occupied by the built-in oil under the condition of the same filter screen area, increase the pipe distribution area of a condensation zone and improve the pipe distribution rate of the condenser; the risk of the refrigerant liquid falling back to the built-in oil content is avoided.
Description
Technical Field
The utility model belongs to the technical field of air conditioners and industrial refrigeration, and particularly relates to a built-in oil separation structure and a condenser adopting the structure.
Background
The air-conditioning refrigeration and industrial refrigeration unit mainly comprises an evaporator, a condenser, an oil separator, a compressor, a throttling device and other parts, wherein the oil separator is mainly used for separating a refrigerant and lubricating oil of the compressor; the built-in oil content mainly comprises compressor lubricating oil and gaseous refrigerant which are separated and enter a condenser, if the separation efficiency is too low, the lubricating oil can enter a condensation zone and the interior of an evaporator, and the lubricating oil can be attached to the outer surfaces of a heat exchange tube (an evaporation tube and a condensation tube), so that the heat exchange efficiency is influenced; the built-in oil content mainly separates lubricating oil and gaseous refrigerant through the filtering action of filter screen, and its separation efficiency is mainly guaranteed through the velocity of flow that the adjustment filter screen area was controlled through the filter screen, and present built-in oil content condenser has following not enough:
1. in order to ensure enough filter screen area, the volume of the built-in oil is too large, a large number of condenser pipe distribution areas are occupied, and the condenser pipe distribution rate is low;
2. the built-in oil content and the condensation pipe are arranged left and right, when the gaseous refrigerant directly scours the condensation pipe from the built-in oil content outlet to the left (or right), the condensed liquid refrigerant is impacted by airflow and has the risk of falling back to the built-in oil content, so that the refrigerant is separated and accumulated, and the condensation efficiency and the oil content efficiency are reduced;
3. the assembly difficulty is high; in order to ensure the separation efficiency, the built-in oil inlet needs to be completely separated from the condensation cavity, and the partition plates at the two ends of the air inlet are positioned in the middle of the condenser, so that the welding and the assembly are difficult.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a built-in oil content structure and a condenser, under the condition of the same filter screen area, the volume occupied by the built-in oil content can be further reduced, the pipe distribution area of a condensation area is increased, and the pipe distribution rate of the condenser is improved; the risk of refrigerant liquid falling back to the built-in oil content is avoided. Meanwhile, the condenser has higher condenser tube distribution rate and is simpler to assemble.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a built-in oil content structure is characterized in that:
two layers of filter screens are respectively arranged below at least one air inlet, and an oil separation space is formed between the two layers of filter screens through a baffle plate containing a part of vertical structures; the baffle is provided with at least one notch between the two layers of filter screens along the central line direction of the cylinder body as a primary outflow notch; a notch is vertically arranged above the upper-layer filter screen along the baffle plate and is used as a secondary outflow notch;
the V-shaped bottom partition plate with a bottom notch is arranged below the lower-layer filter screen, the bottom notch is over against the upper-layer filter screen, and an oil separation space above the bottom partition plate is communicated with the lower space.
In the technical scheme, two air inlets are horizontally and transversely arranged, a primary filter screen is arranged below each air inlet, a secondary filter screen is arranged above the primary filter screen in parallel, and the primary filter screen and the secondary filter screen are connected into an oil separation space through a vertical stepped baffle; notch as the secondary breach that flows is set up on the secondary filter along vertical to the notch-type baffle, respectively sets up a breach as the breach that flows respectively between the primary filter screen at both ends and secondary filter screen along barrel central line direction.
A condenser containing a built-in oil separation structure comprises a transverse cylinder and an air inlet, and is characterized in that:
two layers of filter screens are respectively arranged below at least one air inlet, and an oil separation space is formed between the two filter screens through a baffle containing a part of vertical structure; the baffle is vertically provided with a notch above the upper-layer filter screen as a secondary outflow notch, and at least one notch is arranged between the two layers of filter screens along the central line direction of the cylinder body as a primary outflow notch;
the V-shaped bottom partition plate with a bottom notch is arranged below the lower-layer filter screen, the bottom notch is spaced right above the lower-layer filter screen, and an oil separation space above the bottom partition plate is communicated with a condensation area below the oil separation space.
In the technical scheme, air inlets are formed in two axial ends of the cylinder body, a primary filter screen is arranged below each air inlet, a secondary filter screen is arranged above the primary filter screen in parallel, and the primary filter screen and the secondary filter screen are connected into an oil separation space through a vertical stepped baffle; a notch is vertically arranged on the secondary filter screen along the stepped baffle plate and is used as a secondary outflow notch, and a notch is respectively arranged between the primary filter screen and the secondary filter screen at two ends along the central line direction of the cylinder body and is used as a primary outflow notch;
the V-shaped bottom partition plate which is provided with a horizontal plane and is combined by a horizontal downward inclined plane is arranged below each primary filter screen, a bottom plate notch is arranged at the horizontal plane of the bottom partition plate, each bottom plate notch is empty, and is just opposite to the primary filter screen at the end, and the oil separation space above the bottom partition plate is communicated with the condensation area below the condensation pipe.
Among the above-mentioned technical scheme, notch as the breach that once flows is respectively set up one breach in notch cuttype baffle both ends below and place side near the filter screen, goes up reason in the middle of the notch cuttype baffle and sets up a breach as the breach that flows of secondary along the rectangular form extension of barrel central line direction near the secondary filter screen.
Among the above-mentioned technical scheme, the oil content interval space is sealed the block by the first baffle of keeping away from the end plate by two vertical mutual parallels, two vertical mutual parallels and the second baffle that is close to the end plate and the notch cuttype baffle that transversely extends in the middle and forms and seals the oil content space, and the both ends bottom in this sealed oil content space is the bottom baffle, and this bottom baffle is divided into condensation zone and oil separation zone along vertical direction with the cross section region of condenser shell.
In the technical scheme, the oil separation space enables the refrigerant gas and the lubricating oil to be separated downwards for the first time through the primary filter screen, the separated refrigerant gas and the rest lubricating oil are separated upwards for the second time through the secondary filter screen, and the separated lubricating oil falls to the oil storage area again under the action of gravity; gaseous state refrigerant flows out through notch outflow through notch secondary in notch cuttype baffle upper portion after the separation, flows out downwards through the bottom plate breach, and flows out through barrel bottom drain pipe after carrying out the heat transfer condensation with the condenser pipe.
In the technical scheme, the secondary filter screen is fixed on the opposite side cylinder body away from the side of the bottom plate notch, and the projection of the secondary filter screen and the projection of the primary filter screen do not have a superposition overlapping area; and the secondary filter screen does not shield the bottom plate notch.
Among the above-mentioned technical scheme, the oil storage area is constituteed with the casing to the lowest in oil separating zone, bottom baffle, sets up outer oil pipe of arranging in the oil storage area.
Among the above-mentioned technical scheme, the oil storage area is constituteed with the casing to the downward inclined plane of bottom baffle, sets up the outer oil pipe of arranging unanimous with the inclined plane inclination of bottom baffle in the oil storage area.
Among the above-mentioned technical scheme, the barrel bottommost sets up the liquid outlet with the condensation zone intercommunication.
Compared with the prior art, the utility model has the following beneficial effects:
the primary filter screen and the secondary filter screen are longitudinally distributed, so that the length of the secondary filter screen can be increased, and the area of the secondary filter screen is increased by about 15%; under the condition of the same filter screen area, the volume occupied by the built-in oil can be further reduced, the pipe distribution area of a condensation zone is increased, and the pipe distribution rate of the condenser is improved by about 10%.
The bottom baffle form is adjusted, the vertical-oblique downward direction is changed into the horizontal-oblique downward direction, and the pipe distribution rate is increased by about 5%.
The primary filter screen and the secondary filter screen are longitudinally distributed, and the built-in oil content refrigerant outlet is positioned at the upper part of the condensing pipe, so that the risk that the refrigerating liquid falls back to the built-in oil content is avoided.
And air inlets are distributed at two ends of the condenser, so that the assembly difficulty is reduced.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a view showing an overall structure of a condenser and an oil content-containing structure according to the present invention.
FIG. 2 is a schematic view of a functional partition of a condenser with an oil separation structure built therein according to the present invention.
Fig. 3 is a side sectional view of a condenser with an oil separating structure built therein according to the present invention.
Fig. 4 is a side sectional view of a condenser portion structure of the oil separating structure built-in according to the present invention.
Fig. 5 is a schematic perspective view of the internal oil separation structure of the present invention.
Fig. 6 is a detailed structural view of the bottom partition 4-3 of the present invention.
Fig. 7 is a detailed view of the stepped baffle 4-6 of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1, the internal oil separation structure according to the embodiment of the present invention is disposed in a condenser, the condenser is mainly composed of a horizontal shell 3 sandwiched by tube plates 1 at two ends, a condenser tube 2 and an internal oil separation 4 are disposed in the shell 3, and an air inlet tube 5, an oil outlet tube 6, and a liquid outlet tube 7 are respectively communicated with an inner cavity of the shell 3.
As shown in fig. 2, the cross-sectional area of the condenser shell 3 is divided into a condensation area 31 and an oil separation area 32, the condensation pipes 2 are arranged in the condensation area 31, which is the main working area of the condenser, and the pipe distribution rate directly affects the condensation efficiency; the oil separation zone 32 is arranged with an internal oil content 4 for separating compressor lubricating oil and gaseous refrigerant entering the condenser.
As shown in fig. 2-7, refrigerant gas and lubricating oil enter the internal oil component 4 of the oil separation zone 32 through an air inlet pipe 5 (a first air inlet pipe branch 5-1 is arranged near two end plates 1, and a second air inlet pipe branch 5-2 is arranged near two end plates 1) (as shown in fig. 2 and 3), the space is sealed and clamped by two first baffle plates 4-4 which are vertically parallel to each other (relatively far from the end plates 1), two second baffle plates 4-5 which are vertically parallel to each other (near the end plates 1) and a stepped baffle plate 4-6 which transversely extends in the middle to form a closed space, rectangular plates with V-shaped sections are arranged at the bottoms of two ends of the closed space to serve as bottom baffle plates 4-3, and the bottom baffle plates 4-3 divide the cross-sectional area of the condenser shell 3 into a condensation zone 31 and the oil separation zone 32 in the vertical direction; rectangular notches 431 are formed in the bottom partition plates 4-3 along the upper side of the center line of the cylinder, a primary filter screen 4-1 is arranged above each rectangular notch 431, a secondary filter screen 4-2 is arranged above the primary filter screen 4-1 in parallel, the secondary filter screen 4-2 is fixed on the cylinder far away from the rectangular notches 431, and the secondary filter screen 4-2 and the primary filter screen 4-1 are not overlapped. The secondary screen 4-2 does not obstruct the rectangular notch 431 of the bottom partition 4-3.
The first baffle 4-4 and the second baffle 4-5 are both arranged close to the end part of the shell 3, so that the assembly and the welding are convenient. The refrigerant gas and the lubricating oil are separated for the first time through a primary filter screen 4-1, the separated mixture impacts a bottom partition plate 4-3 downwards for collision separation, the separated lubricating oil flows out through a primary separation gap 461 below a stepped baffle plate 4-6 (as shown in a figure 3-6), and flows to an oil storage area formed by the bottom partition plate 4-3 and a shell 3 along the bottom partition plate 4-3 under the influence of gravity; the separated refrigerant gas and the rest lubricating oil are upwards separated again through a secondary filter screen 4-2, and the separated lubricating oil falls into an oil storage area again under the action of gravity and flows out through an oil outlet pipe 6; the primary filter screen 4-1 and the secondary filter screen 4-2 are arranged in parallel (as shown in figure 3), so that the length of the secondary filter screen 4-2 can be increased, and the area of the oil separator can be reduced under the condition of ensuring the same filter screen area, thereby increasing the area of a condenser and increasing the pipe distribution rate; the separated gaseous refrigerant flows out from a secondary separation notch 462 at the upper part of the stepped baffle 4-6, flows out downwards through a notch 431 of the bottom baffle 4-3, exchanges heat with the condenser pipe 2, is condensed and flows out through a liquid outlet pipe 7; because the gaseous refrigerant exchanges heat with the condensation pipe 2 from top to bottom, the liquid refrigerant after condensation is prevented from falling back to the built-in oil separation structure after being reversed.
The internal oil separation structure of the present embodiment may be applied to the horizontal condenser of the above-described embodiments, and may also be applied to a horizontal condenser having two or more air inlets in the same manner.
Other embodiments are not described in detail. It will be understood that modifications and variations can be resorted to by those skilled in the art, and that all such modifications and variations are intended to be within the scope of the utility model as claimed.
Claims (10)
1. A built-in oil content structure is characterized in that:
two layers of filter screens are arranged below at least one air inlet, and an oil separation space is formed between the two layers of filter screens through a baffle plate containing a part of vertical structures; the baffle is provided with at least one notch between the two layers of filter screens along the central line direction of the cylinder body as a primary outflow notch; a notch is vertically arranged above the upper-layer filter screen along the baffle plate and is used as a secondary outflow notch;
the V-shaped bottom partition plate with a bottom notch is arranged below the lower-layer filter screen, the bottom notch is over against the upper-layer filter screen, and an oil separation space above the bottom partition plate is communicated with the lower space.
2. An internal oil containment structure according to claim 1, wherein:
two air inlets are horizontally and transversely arranged, a primary filter screen is arranged below each air inlet, a secondary filter screen is arranged above the primary filter screen in parallel, and the primary filter screen and the secondary filter screen are connected into an oil separation space through a vertical stepped baffle; notch as the secondary breach that flows is set up on the secondary filter along vertical to the notch-type baffle, respectively sets up a breach as the breach that flows respectively between the primary filter screen at both ends and secondary filter screen along barrel central line direction.
3. A condenser containing a built-in oil separation structure comprises a transverse cylinder and an air inlet, and is characterized in that:
two layers of filter screens are respectively arranged below at least one air inlet, and an oil separation space is formed between the two filter screens through a baffle containing a part of vertical structure; the baffle is vertically provided with a notch above the upper-layer filter screen as a secondary outflow notch, and at least one notch is arranged between the two layers of filter screens along the central line direction of the cylinder body as a primary outflow notch;
the V-shaped bottom partition plate with a bottom notch is arranged below the lower-layer filter screen, the bottom notch is spaced right above the lower-layer filter screen, and an oil separation space above the bottom partition plate is communicated with a condensation area below the oil separation space.
4. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
air inlets are formed in two axial ends of the cylinder body, a primary filter screen is arranged below each air inlet, a secondary filter screen is arranged above the primary filter screen in parallel, and the primary filter screen and the secondary filter screen are connected into an oil separation space through a vertical stepped baffle; a notch is vertically arranged on the secondary filter screen along the stepped baffle plate and is used as a secondary outflow notch, and a notch is respectively arranged between the primary filter screen and the secondary filter screen at two ends along the central line direction of the cylinder body and is used as a primary outflow notch;
the V-shaped bottom partition plate which is provided with a horizontal plane and is combined by a horizontal downward inclined plane is arranged below each primary filter screen, a bottom plate notch is arranged at the horizontal plane of the bottom partition plate, each bottom plate notch is empty, and is just opposite to the primary filter screen at the end, and the oil separation space above the bottom partition plate is communicated with the condensation area below the condensation pipe.
5. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
notch as the breach that once flows is respectively set up one breach in notch type baffle both ends below and the primary filter screen of place side near, goes up reason in the middle of the notch type baffle and sets up one along the long banding breach that extends of barrel central line direction near with the secondary filter screen as the breach that flows of secondary.
6. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
oil content interval space is sealed the block by the first baffle of keeping away from the end plate by two vertical mutual parallels, two vertical mutual parallels and the second baffle that is close to the end plate and the notch cuttype baffle that transversely extends in the middle and forms and seals oil content space, and the both ends bottom in this closed oil content space is the bottom baffle, and this bottom baffle is divided into condensation zone and oil separation zone along vertical direction with the cross section region of condenser casing.
7. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
the oil separation space enables the refrigerant gas and the lubricating oil to be separated downwards for the first time through the primary filter screen, the separated refrigerant gas and the rest lubricating oil upwards are separated again through the secondary filter screen, and the separated lubricating oil falls to the oil storage area again under the action of gravity; gaseous state refrigerant flows out through notch outflow through notch secondary in notch cuttype baffle upper portion after the separation, flows out downwards through the bottom plate breach, and flows out through barrel bottom drain pipe after carrying out the heat transfer condensation with the condenser pipe.
8. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
the secondary filter screen is fixed on the cylinder body at the opposite side far away from the side of the bottom plate notch, and the projection of the secondary filter screen and the projection of the primary filter screen do not have a superposition overlapping area; and the secondary filter screen does not shield the bottom plate notch.
9. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
the oil storage area is formed by the bottom partition plate and the shell at the lowest part of the oil separation area, and an outer oil discharge pipe is arranged in the oil storage area.
10. The condenser containing an internal oil separation structure according to claim 3, characterized in that:
the downward inclined plane of bottom baffle and casing constitute the oil storage area, set up the outer oil pipe of arranging unanimous with the inclined plane inclination of bottom baffle in the oil storage area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604963.0U CN216204516U (en) | 2021-10-27 | 2021-10-27 | Built-in oil content structure and condenser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604963.0U CN216204516U (en) | 2021-10-27 | 2021-10-27 | Built-in oil content structure and condenser |
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| Publication Number | Publication Date |
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| CN216204516U true CN216204516U (en) | 2022-04-05 |
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| CN202122604963.0U Active CN216204516U (en) | 2021-10-27 | 2021-10-27 | Built-in oil content structure and condenser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479418A (en) * | 2022-08-04 | 2022-12-16 | 宁波拓普集团股份有限公司 | Gas-liquid separator for automobile air conditioner heat management system |
| CN115479418B (en) * | 2022-08-04 | 2024-05-10 | 宁波拓普集团股份有限公司 | Gas-liquid separator for automobile air conditioner thermal management system |
-
2021
- 2021-10-27 CN CN202122604963.0U patent/CN216204516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479418A (en) * | 2022-08-04 | 2022-12-16 | 宁波拓普集团股份有限公司 | Gas-liquid separator for automobile air conditioner heat management system |
| CN115479418B (en) * | 2022-08-04 | 2024-05-10 | 宁波拓普集团股份有限公司 | Gas-liquid separator for automobile air conditioner thermal management system |
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