CN219827132U - Electric air conditioner compressor with compensation function - Google Patents
Electric air conditioner compressor with compensation function Download PDFInfo
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- CN219827132U CN219827132U CN202320965274.9U CN202320965274U CN219827132U CN 219827132 U CN219827132 U CN 219827132U CN 202320965274 U CN202320965274 U CN 202320965274U CN 219827132 U CN219827132 U CN 219827132U
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- scroll
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- movable scroll
- sealing strip
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- 238000007789 sealing Methods 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000003507 refrigerant Substances 0.000 description 19
- 238000007906 compression Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an electric air conditioner compressor with a compensation function, which comprises a main shaft, a fixed scroll and a movable scroll, wherein an end cover is arranged outside the fixed scroll, an exhaust cavity is formed between the fixed scroll and the movable scroll, a base is arranged outside the movable scroll, a back pressure cavity is formed between the movable scroll and the fixed scroll, a movable scroll vortex line is arranged on the upper surface of the movable scroll, a sealing strip mounting groove is arranged at the position close to the center of the movable scroll, a vent hole is arranged at the bottom of the groove, a sealing strip is arranged in the groove, the vent hole is communicated with the back pressure cavity, a sealing strip mounting groove is arranged at the position close to the center of the fixed scroll, a vent hole is arranged at the bottom of the groove, the vent hole is communicated with the exhaust cavity, and the movable scroll and the fixed scroll are in meshed connection through the movable scroll vortex line and the fixed scroll vortex line.
Description
Technical Field
The utility model belongs to the field of compressors, and particularly relates to an electric air conditioner compressor with a compensation function.
Background
The current electric air conditioner compressor with compensation function applied to new energy automobiles is that a low-pressure refrigerant compressor entering from an air inlet is changed into a high-pressure refrigerant and is discharged from an air outlet, so that the compression process of the refrigerant is completed, the refrigerant is changed from low pressure into high pressure in the compression process of the refrigerant, meanwhile, the temperature of the refrigerant also rises rapidly, the periphery of a vortex plate is a low-temperature low-pressure refrigerant, the center of the vortex plate is a high-temperature high-pressure refrigerant, the high-temperature high-pressure refrigerant can cause the vortex plate to deform, the gap between a movable plate and a fixed plate is enlarged, and the internal leakage of the center part of the vortex plate is enlarged, so that the energy efficiency ratio of the compressor is reduced.
Disclosure of Invention
The utility model mainly aims to provide a compressor scroll compensation mechanism, which can compensate the deformation of a scroll, thereby reducing the internal leakage of a compressor and further achieving the aim of improving the energy efficiency ratio.
According to a first aspect of the utility model, there is provided an electric air conditioner compressor with compensation function, comprising a main shaft, a fixed scroll and an movable scroll, wherein an end cover is arranged outside the fixed scroll, an exhaust cavity is formed between the fixed scroll and the end cover, a stand is arranged outside the movable scroll, a back pressure cavity is formed between the movable scroll and the stand, an movable scroll vortex line is arranged on the upper surface of the movable scroll, an movable scroll sealing strip mounting groove is arranged at a position, close to the center, of the movable scroll vortex line, an movable scroll compensation sealing strip is arranged in the movable scroll sealing strip mounting groove, a fixed scroll vortex line opposite to the rotation direction of the movable scroll vortex line is arranged on the upper surface of the fixed scroll, a fixed scroll sealing strip mounting groove is arranged at a position, close to the center, of the fixed scroll vortex line, a fixed scroll compensation sealing strip is arranged in the fixed scroll sealing strip mounting groove, and the movable scroll is in meshed connection with the fixed scroll through the movable scroll vortex line and the fixed scroll line.
In a specific embodiment of the present utility model, an eccentric rotation mechanism is disposed at one end of the main shaft, and the movable scroll can perform planar rotation around the fixed scroll under the driving of the eccentric rotation mechanism.
In a specific embodiment of the present utility model, the eccentric rotation mechanism includes an eccentric pin disposed at one end of the main shaft, a balance weight sleeved on the eccentric pin, and a orbiting scroll bearing disposed on the balance weight.
In a specific embodiment of the present utility model, a bearing mounting groove and a plurality of mounting grooves are formed in the lower surface of the orbiting scroll, the plurality of mounting grooves are circumferentially distributed on the lower surface of the orbiting scroll, and the bearing mounting groove is located at the center of the plurality of mounting grooves.
In a particular embodiment of the utility model, the orbiting scroll vent communicates with the bearing mounting groove.
In a particular embodiment of the utility model, the bearing mounting groove communicates with the back pressure chamber.
One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:
according to the utility model, the movable vortex disc sealing strip mounting groove and the fixed vortex disc sealing strip mounting groove are arranged at the positions, close to the center, of the movable vortex disc vortex line and the fixed vortex disc vortex line, and the vent holes are arranged at the bottoms of the mounting grooves, so that the movable vortex disc sealing strip mounting groove is communicated with the back pressure cavity, the fixed vortex disc sealing strip mounting groove is communicated with the exhaust cavity, then the movable vortex disc compensation sealing strip and the fixed vortex disc compensation sealing strip are arranged in the movable vortex disc sealing strip mounting groove and the fixed vortex disc sealing strip mounting groove, when the movable vortex disc and the fixed vortex disc deform due to high temperature and high pressure, the high pressure refrigerant pushes the movable vortex disc compensation sealing strip and the fixed vortex disc compensation sealing strip to be tightly attached to the bottom surfaces of the movable vortex disc and the movable vortex disc, and therefore gaps caused by deformation of the movable vortex disc and the fixed vortex disc are compensated.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a cross-sectional view of one embodiment of the present utility model;
FIG. 2 is a front view of an orbiting scroll in accordance with one embodiment of the utility model;
FIG. 3 is a rear view of an orbiting scroll in accordance with one embodiment of the present utility model;
FIG. 4 is a diagram of an orbiting scroll compensating seal bar according to one embodiment of the present utility model;
FIG. 5 is a view of a compensating seal strip of a fixed scroll in accordance with one embodiment of the present utility model;
fig. 6 is a front view of a fixed scroll according to an embodiment of the present utility model.
Description of the embodiments
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the simplified description of the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may explicitly or implicitly include one or more features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements, indirect communication or interaction relationship between the two elements.
The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.
Referring to fig. 1 to 5, in an embodiment of the present utility model, an electric air conditioner compressor with compensation function includes a main shaft 1, a fixed scroll 2 and an movable scroll 3, a cover 10 is disposed outside the fixed scroll 2, a gas discharge cavity 6 is formed between the fixed scroll 2 and the cover 10, a base 11 is disposed outside the movable scroll 3, a back pressure cavity 7 is formed between the movable scroll 3 and the base 11, an movable scroll 14 is disposed on an upper surface of the movable scroll 3, an movable scroll sealing strip mounting groove 5 is disposed at a position of the movable scroll sealing strip mounting groove 5 near the center, an movable scroll compensation sealing strip 19 is disposed in the movable scroll sealing strip mounting groove 5, an movable scroll vent 16 is disposed at a bottom of the movable scroll sealing strip mounting groove 5, the movable scroll vent 16 is communicated with the back pressure cavity 7, a fixed scroll sealing strip 15 having a rotation direction opposite to the movable scroll sealing strip 14 is disposed on an upper surface of the fixed scroll 2, a position of the fixed scroll sealing strip 15 near the center is disposed with a fixed scroll sealing strip mounting groove 4, a fixed scroll compensation sealing strip 20 is disposed in the fixed scroll sealing strip 4, a fixed scroll vent 21 is disposed at a bottom of the fixed scroll sealing strip mounting groove 4, a position is in communication with the movable scroll sealing strip 1 and the movable scroll sealing strip 2 by the movable scroll sealing strip 2, and the movable scroll sealing strip is in a high-pressure scroll sealing strip 2, and the movable scroll sealing strip is in a compression scroll 2, and the high-pressure scroll sealing vortex 2 is formed by the compressor, and the compressor is in a high-pressure scroll sealing principle, and the compressor is in a compression scroll and the high-pressure scroll sealing scroll 2, and the compressor is in a compression scroll and is in a compression scroll.
In the compression process of the refrigerant, the temperature of the refrigerant also rises rapidly in the process from low pressure to high pressure, the refrigerant with low temperature and low pressure is arranged at the periphery of the fixed scroll 2, the refrigerant with high temperature and high pressure is arranged at the centers of the fixed scroll 2 and the movable scroll 3, the fixed scroll 2 and the movable scroll 3 are deformed by the refrigerant with high temperature and high pressure, so that a gap between the movable scroll 3 and the fixed scroll 2 is enlarged, internal leakage of the central parts of the fixed scroll 2 is further enlarged, and the energy efficiency ratio of the compressor is reduced.
In order to solve the problem of internal leakage enlargement caused by vortex disc deformation, the electric air conditioner compressor with compensation function designs a compensation mechanism, namely, a movable vortex disc sealing strip mounting groove 5 is arranged at a position, close to the center, of a movable vortex disc vortex line 14, a movable vortex disc compensation sealing strip 19 is arranged in the movable vortex disc sealing strip mounting groove 5, a movable vortex disc vent hole 16 is arranged at the bottom of the movable vortex disc sealing strip mounting groove 5, the movable vortex disc vent hole 16 is communicated with a bearing mounting groove 17, and then the bearing mounting groove 17 is communicated with a back pressure cavity 7, when the compressor works, high-pressure refrigerant of the back pressure cavity 7 is led into the movable vortex disc sealing strip mounting groove 5 through the movable vortex disc vent hole 16, and when the movable vortex disc 3 is slightly deformed due to high temperature and high pressure, the high-pressure refrigerant pushes the movable vortex disc compensation sealing strip 19 to be clung to the bottom surface of a fixed vortex disc 2, so that gaps caused by deformation of the movable vortex disc 3 are compensated, and leakage caused by deformation of the movable vortex disc 3 is reduced.
In one embodiment of the utility model, a fixed vortex disc sealing strip mounting groove 4 is arranged at a position, which is close to the center, on a fixed vortex disc vortex line 15, a fixed vortex disc compensation sealing strip 20 is arranged in the fixed vortex disc sealing strip mounting groove 4, a fixed vortex disc vent hole 21 is arranged at the bottom of the fixed vortex disc sealing strip mounting groove 4, the fixed vortex disc vent hole 21 is communicated with an exhaust cavity 6, when the compressor works, high-pressure refrigerant in the exhaust cavity 6 is led into the fixed vortex disc sealing strip mounting groove 4 through the fixed vortex disc vent hole 21, and when the fixed vortex disc 2 is slightly deformed due to high temperature and high pressure, the bottom of the fixed vortex disc sealing strip mounting groove 4 pushes the fixed vortex disc compensation sealing strip 20 to be tightly attached to the bottom surface of the movable vortex disc 3, so that gaps caused by deformation of the fixed vortex disc 2 are compensated, and leakage caused by deformation of the fixed vortex disc 2 is reduced.
In one embodiment of the utility model, one end of the main shaft 1 is provided with an eccentric rotating mechanism 9, the eccentric rotating mechanism 9 comprises an eccentric pin 13 arranged at one end of the main shaft, a balance block 12 sleeved on the eccentric pin 13 and a movable vortex disc bearing 8 arranged on the balance block 12, during the working processes of air suction, compression and air discharge, the fixed vortex disc 2 is fixed on the end cover 10, the movable vortex disc 3 is driven by the eccentric pin 13, and the balance block 12 which is a counterweight component is sleeved on the eccentric pin 13, so that the mechanism rotating at high speed is balanced, and the movable vortex disc 3 can rotate around the fixed vortex disc 2 in a plane under the driving of the eccentric rotating mechanism 9.
The movable scroll 3 rotates around the base circle center of the fixed scroll 2 in a plane with a small radius under the drive of the eccentric pin 13, so that the movable scroll 3 and the fixed scroll 2 form a plurality of crescent-shaped compression cavities in the rotating process, the volume of the compression cavities is smaller and smaller along with the rotation, and finally, the compressed high-pressure refrigerant is discharged into the exhaust cavity 6 from the centers of the fixed scroll 2 and the movable scroll 3.
In one embodiment of the utility model, the lower surface of the movable vortex disc 3 is provided with a bearing mounting groove 17 and a plurality of mounting grooves 18, wherein the bearing mounting groove 17 comprises 9 circular mounting grooves and 2 trapezoid mounting grooves, 11 mounting grooves are distributed on the lower surface of the movable vortex disc 3 in a circumferential manner, the bearing mounting groove 17 is positioned in the center of the 11 mounting grooves, a movable vortex disc bearing 8 can be mounted in the bearing mounting groove 17, a movable vortex disc vent hole 16 is communicated with the bearing mounting groove 17, the movable vortex disc vent hole 16 is positioned in the center of the bearing mounting groove 17, and the bearing mounting groove 17 is communicated with the back pressure cavity 7, so that the arrangement can ensure that the movable vortex disc sealing strip mounting groove 5 is consistent with the back pressure cavity 7, and further ensure that when the gap between the movable vortex disc 3 and the fixed vortex disc 2 is enlarged, the high pressure of the back pressure cavity 7 can push the movable vortex disc sealing strip 19 to be tightly attached to the bottom surface of the fixed vortex disc 2.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. An electric air conditioner compressor with compensation function is characterized by comprising a main shaft (1), a fixed scroll (2) and an movable scroll (3), wherein an end cover (10) is arranged outside the fixed scroll (2), an exhaust cavity (6) is formed between the fixed scroll (2) and the end cover (10), a base (11) is arranged outside the movable scroll (3), a back pressure cavity (7) is formed between the movable scroll (3) and the base (11), an movable scroll (14) is arranged on the upper surface of the movable scroll (3), an movable scroll sealing strip mounting groove (5) is arranged at a position, close to the center, of the movable scroll (14), an movable scroll sealing strip (19) is arranged in the movable scroll sealing strip mounting groove (5), an movable scroll vent hole (16) is arranged at the bottom of the movable scroll sealing strip mounting groove (5), the movable scroll vent hole (16) is communicated with the back pressure cavity (7), a back pressure cavity (7) is formed between the movable scroll (3) and the base (11), an movable scroll (14) is arranged on the upper surface, a position, close to the center, close to the fixed scroll (4), a sealing strip mounting groove (20) is arranged at the movable scroll sealing strip mounting groove (5), a position, close to the fixed scroll sealing strip (4), the fixed vortex plate vent hole (21) is communicated with the exhaust cavity (6), and the movable vortex plate (3) and the fixed vortex plate (2) are in meshed connection through the movable vortex plate vortex line (14) and the fixed vortex plate vortex line (15).
2. The electric air conditioner compressor with compensation function according to claim 1, wherein: one end of the main shaft (1) is provided with an eccentric rotating mechanism (9), and the movable vortex disc (3) can rotate around the fixed vortex disc (2) in a plane under the drive of the eccentric rotating mechanism (9).
3. The electric air conditioner compressor with compensation function according to claim 2, wherein: the eccentric rotating mechanism (9) comprises an eccentric pin (13) arranged at one end of the main shaft, a balance block (12) sleeved on the eccentric pin (13) and a movable vortex disc bearing (8) arranged on the balance block (12).
4. The electric air conditioner compressor with compensation function according to claim 1, wherein: the lower surface of the movable vortex disc (3) is provided with a bearing mounting groove (17) and a plurality of mounting grooves (18), the plurality of mounting grooves (18) are circumferentially distributed on the lower surface of the movable vortex disc (3), and the bearing mounting groove (17) is positioned at the center of the plurality of mounting grooves (18).
5. The electric air conditioner compressor with compensation function according to claim 4, wherein: the orbiting scroll vent hole (16) communicates with the bearing mounting groove (17).
6. The electric air conditioner compressor with compensation function according to claim 5, wherein: the bearing mounting groove (17) is communicated with the back pressure cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965274.9U CN219827132U (en) | 2023-04-25 | 2023-04-25 | Electric air conditioner compressor with compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965274.9U CN219827132U (en) | 2023-04-25 | 2023-04-25 | Electric air conditioner compressor with compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827132U true CN219827132U (en) | 2023-10-13 |
Family
ID=88247536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320965274.9U Active CN219827132U (en) | 2023-04-25 | 2023-04-25 | Electric air conditioner compressor with compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827132U (en) |
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2023
- 2023-04-25 CN CN202320965274.9U patent/CN219827132U/en active Active
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