CN218717673U - Compressor and air conditioning unit - Google Patents
Compressor and air conditioning unit Download PDFInfo
- Publication number
- CN218717673U CN218717673U CN202222803166.XU CN202222803166U CN218717673U CN 218717673 U CN218717673 U CN 218717673U CN 202222803166 U CN202222803166 U CN 202222803166U CN 218717673 U CN218717673 U CN 218717673U
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- China
- Prior art keywords
- oil
- compressor
- draw
- oil tank
- section
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 108
- 238000002347 injection Methods 0.000 abstract description 21
- 239000007924 injection Substances 0.000 abstract description 21
- 239000010687 lubricating oil Substances 0.000 abstract description 19
- 230000006837 decompression Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Classifications
-
- 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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- Compressor (AREA)
Abstract
The utility model discloses a compressor and air conditioning unit. The compressor comprises a compression shell and an oil tank, an oil supply pipeline and an oil return pipeline are arranged between the compression shell and the oil tank, the compressor further comprises an injection mechanism, a main injection port of the injection mechanism is communicated with the oil supply pipeline, an injected port of the injection mechanism is communicated with the compression shell, and an injection outlet of the injection mechanism is communicated with the oil tank. The utility model discloses a compressor and air conditioning unit utilize to draw and penetrate the mechanism and draw to draw and penetrate the oil return to the internal lubricating oil of compression housing, can draw the oil in the box to the oil tank under compressor decompression state, guarantee that oil mass is sufficient in the oil tank, guarantee the compressor and supply oil volume, improve the operational reliability of compressor, reduce compressor cost of maintenance.
Description
Technical Field
The utility model relates to an air treatment equipment technical field, more specifically the saying so, it relates to a compressor and air conditioning unit.
Background
To current centrifugal cooling water set of external oil tank, through the balance pipe intercommunication between unit casing and the oil tank, lubricate and cool off the bearing through the bearing department of the lubricating oil pump to the compressor in the oil tank of oil pump, lubricating oil after final process lubrication and cooling can accumulate in the compressor box to flow into in the middle of the oil tank under the effect of gravity.
Because of the reason in the aspect of the compressor structure, lead to the pressure in the casing very high easily, thereby make the pressure in the oil tank be greater than the pressure in the compressor box, under this kind of decompression state, lubricating oil in the box can't be in the automatic backward flow to the oil tank under the effect of self gravity, this also leads to lubricating oil in the oil tank more and more less and lubricating oil in the box, when lubricating oil in the oil tank is not enough, the problem that the bearing fuel feeding is not enough appears, at this moment, bearing and electric motor rotor friction are serious, and the heat that the friction produced can't in time be taken away, cause the problem that the operational reliability of compressor reduces.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a compressor and air conditioning unit has solved the low problem of compressor operational reliability among the prior art.
The utility model discloses a compressor, including compression casing and oil tank, the compression casing with be provided with between the oil tank and supply oil pipe way and return oil pipe way, the compressor is still including drawing the penetrating mechanism, draw the main of penetrating the mechanism draw mouthful with supply oil pipe way intercommunication, draw the penetrating mechanism draw mouthful with the compression casing intercommunication, draw the penetrating mechanism draw the export with the oil tank intercommunication.
An on-off mechanism is arranged between the compression shell and the injected port.
The compressor still includes the oil pump, the oil pump set up in the oil tank, just the export of oil pump with supply oil pipe way intercommunication.
The oil pump is a variable frequency oil pump.
The compressor further comprises a liquid level detection mechanism, the liquid level detection mechanism is arranged in the compression shell, and the liquid level detection mechanism is electrically connected with the variable frequency oil pump and/or the on-off mechanism.
The compressor further comprises a pressure detection mechanism, the pressure detection mechanism can acquire the pressure in the compression shell and the pressure in the oil tank, and the pressure detection mechanism is electrically connected with the on-off mechanism.
The injection mechanism comprises an incident section, a mixing section and an emergent section which are sequentially communicated, the main injection port and the injected port are communicated with the incident section, the injection outlet is communicated with the emergent section, and the diameter of the mixing section is gradually increased along the direction from the incident section to the emergent section.
The minimum value D of the diameter of the mixing section ranges from 2mm to 3mm; and/or the length L of the mixing section has a value ranging from 15mm to 20mm.
The angle range of an included angle phi formed between the inner wall of the mixing section and the central axis of the mixing section is 3-4 degrees.
Another aspect of the utility model provides an air conditioning unit, including foretell compressor.
The utility model discloses a compressor and air conditioning unit utilize to draw and penetrate the mechanism and draw to draw and penetrate the oil return to the internal lubricating oil of compression housing, can draw the oil in the box to the oil tank under compressor decompression state, guarantee that oil mass is sufficient in the oil tank, guarantee the compressor and supply oil volume, improve the operational reliability of compressor, reduce compressor cost of maintenance.
Drawings
Fig. 1 is a schematic structural diagram of a compressor according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an injection mechanism according to an embodiment of the present invention;
legend: 1. compressing the shell; 2. an oil tank; 3. an oil supply line; 4. an oil return line; 5. an injection mechanism; 6. an oil pump; 7. a liquid level detection mechanism; 8. an on-off mechanism; 51. an incident section; 52. a mixing section; 53. and an exit section.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
As shown in fig. 1 and 2, the utility model discloses a compressor, including compression casing 1 and oil tank 2, compression casing 1 with be provided with between oil tank 2 and supply oil pipe way 3 and return oil pipe way 4, the compressor is still including drawing mechanism 5, draw the owner of drawing mechanism 5 draw mouthful with supply oil pipe way 3 intercommunication, draw the mechanism 5 draw mouthful with compress casing 1 intercommunication, draw the mechanism 5 draw penetrate the export with oil tank 2 intercommunication. The injection mechanism 5 is used for injecting the lubricating oil in the compression shell 1 for oil return, the oil in the box body can be injected to the oil tank 2 in the decompression state of the compressor, the oil quantity in the oil tank 2 is ensured to be sufficient, the oil supply quantity of the compressor is ensured, the operation reliability of the compressor is improved, and the maintenance cost of the compressor is reduced.
When adopting to draw and penetrate mechanism 5 and carry out the oil return, can partly get into in drawing the mechanism 5 with the high-pressure lubricating oil in the oil supply line 3 for draw and penetrate the mechanism 5 and form the negative pressure by drawing the jet outlet, thereby make the lubricating oil in the compression casing 1 flow to drawing in the mechanism 5, and after drawing the mechanism 5 internal mixing, send to in the oil tank 2 by drawing the jet outlet, accomplish and draw the process of penetrating the oil return, draw under the effect of penetrating mechanism 5, can overcome the problem that compression casing 1 internal pressure is less than 2 internal pressure of oil tank and can't carry out the gravity oil return.
An on-off mechanism 8 is arranged between the compression shell 1 and the injected port. And controlling whether the injection mechanism 5 is adopted to inject oil return by using the on-off mechanism 8.
The compressor further comprises an oil pump 6, wherein the oil pump 6 is arranged in the oil tank 2, and an outlet of the oil pump 6 is communicated with the oil supply pipeline 3. The oil pump 6 is used for pumping the lubricating oil pump 6 in the oil tank 2 into the oil conveying pipeline, and the lubricating oil in the oil conveying pipeline has certain pressure, so that injection power can be provided for the injection mechanism 5.
The oil pump 6 is a variable frequency oil pump. The variable frequency oil pump can adjust the measuring range of the pump according to actual conditions, and then can ensure that the oil quantity in the oil tank 2 is sufficient, prevent the oil quantity loss in the oil tank 2 and solve the problem of insufficient oil supply quantity of a bearing.
The compressor further comprises a liquid level detection mechanism 7, wherein the liquid level detection mechanism 7 is arranged in the compression shell 1, and the liquid level detection mechanism 7 is electrically connected with the variable frequency oil pump and/or the on-off mechanism 8. The liquid level detection mechanism 7 can acquire the amount of lubricating oil in the compression shell 1, and the variable frequency oil pump can automatically adjust the frequency of the oil pump 6 according to the amount of the lubricating oil and change the range of the oil pump 6, so that the normal work of the variable frequency oil pump is ensured; meanwhile, whether injection oil return is needed or not can be judged according to the oil quantity of the lubricating oil.
For example, when the oil level in the compression shell 1 reaches 1/2 of the preset oil storage amount, the oil amount in the oil tank 2 is correspondingly reduced, the variable frequency oil pump is automatically adjusted, the range of the oil pump 6 is reduced to 1/2 of the range of the oil pump at the beginning, the oil amount in the oil tank 2 is ensured to be sufficient, the problem of insufficient oil supply of the bearing caused by the oil amount loss in the oil tank 2 is prevented, and the oil pump 6 can normally work.
The compressor further comprises a pressure detection mechanism, the pressure detection mechanism can acquire the pressure in the compression shell 1 and the pressure in the oil tank 2, and the pressure detection mechanism is electrically connected with the on-off mechanism 8. Pressure in the compression casing 1 is less than the pressure in the oil tank 2, can lead to the unable direct backward flow of lubricating oil in the compression casing 1 to the oil tank 2 under the effect of gravity in, then open on-off mechanism 8 this moment, lubricating oil in the compression casing 1 can draw the injection effect of penetrating mechanism 5 to flow back to the oil tank 2 in, guarantees the oil return effect of oil tank 2.
The injection mechanism 5 comprises an incident section 51, a mixing section 52 and an emergent section 53 which are sequentially communicated, the main injection port and the injected port are communicated with the incident section 51, the injection outlet is communicated with the emergent section 53, and the diameter of the mixing section 52 is gradually increased along the direction from the incident section 51 to the emergent section 53.
The minimum value D of the diameter of the mixing section 52 ranges from 2mm to 3mm.
The length L of the mixing section 52 has a value in the range of 15mm to 20mm.
By limiting the diameter and the length of the mixing section 52, the suction volume and the injection efficiency of the lubricating oil are effectively ensured.
The angle phi formed by the inner wall of the mixing section 52 and the central axis of the mixing section 52 is in the range of 3 degrees to 4 degrees.
Another aspect of the utility model provides an air conditioning unit, including foretell compressor.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (10)
1. The utility model provides a compressor, includes compression casing (1) and oil tank (2), compression casing (1) with be provided with between oil tank (2) and supply oil pipe way (3) and return oil pipe way (4), its characterized in that, compressor still including drawing and penetrate mechanism (5), draw the main mouth of drawing of penetrating mechanism (5) with supply oil pipe way (3) intercommunication, draw penetrate the mechanism (5) draw penetrate the mouth with compression casing (1) intercommunication, draw penetrate the mechanism (5) draw penetrate the export with oil tank (2) intercommunication.
2. Compressor according to claim 1, characterized in that an on-off mechanism (8) is arranged between the compression casing (1) and the injected port.
3. The compressor according to claim 2, characterized in that it further comprises an oil pump (6), said oil pump (6) being arranged inside said oil tank (2) and the outlet of said oil pump (6) being in communication with said oil supply line (3).
4. Compressor according to claim 3, characterized in that the oil pump (6) is a variable frequency oil pump.
5. The compressor according to claim 4, characterized in that the compressor further comprises a liquid level detection mechanism (7), the liquid level detection mechanism (7) is arranged in the compression shell (1), and the liquid level detection mechanism (7) is electrically connected with the variable frequency oil pump and/or the on-off mechanism (8).
6. Compressor according to claim 2, characterized in that it further comprises a pressure detection mechanism able to acquire the pressure inside the compression shell (1) and the pressure inside the oil tank (2), and electrically connected to said on-off mechanism (8).
7. The compressor as claimed in claim 1, wherein the ejector mechanism (5) includes an incident section (51), a mixing section (52) and an exit section (53) which are sequentially communicated, the main ejector port and the ejected port are both communicated with the incident section (51), the ejector port is communicated with the exit section (53), and the diameter of the mixing section (52) is gradually increased along the direction from the incident section (51) to the exit section (53).
8. Compressor according to claim 7, characterized in that the minimum value D of the diameter of the mixing section (52) ranges from 2mm to 3mm in value; and/or the length L of the mixing section (52) has a value ranging from 15mm to 20mm.
9. Compressor according to claim 7, characterized in that the inner wall of the mixing section (52) makes an angle phi with the central axis of the mixing section (52) in the range of 3 ° to 4 °.
10. An air conditioning unit, its characterized in that: comprising a compressor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222803166.XU CN218717673U (en) | 2022-10-24 | 2022-10-24 | Compressor and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222803166.XU CN218717673U (en) | 2022-10-24 | 2022-10-24 | Compressor and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717673U true CN218717673U (en) | 2023-03-24 |
Family
ID=85588643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222803166.XU Active CN218717673U (en) | 2022-10-24 | 2022-10-24 | Compressor and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218717673U (en) |
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2022
- 2022-10-24 CN CN202222803166.XU patent/CN218717673U/en active Active
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