CN211874728U

CN211874728U - Birotor compressor structure

Info

Publication number: CN211874728U
Application number: CN202020266648.4U
Authority: CN
Inventors: 舒水婵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-06
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a birotor compressor structure, including compressor host computer, compressor host computer includes a casing (17), and casing (17) embeds there is the core, a top installation upper cover (16) of casing (17), outside intake pipe (12) are connected to core one side, oil and gas separator (19) are connected in intake pipe (12), and oil and gas separator (19) are provided with two sets of gleitbretter modules through support (20) fixed mounting in casing (17) outside in the core, are symmetrical 180 degrees between two sets of gleitbretter modules and place, and both fall behind 180 degrees on the phase place. The utility model discloses change the gleitbretter part of traditional compressor for symmetrical 180 degrees from 0 degree dislocation and place, can effectively offset pressure, noise reduction.

Description

Birotor compressor structure

Technical Field

The utility model relates to a compressor field, concretely relates to birotor compressor structure.

Background

The domestic refrigerator uses piston compressor instead of rolling rotor compressor, and the rolling rotor compressor has great vibration noise. The single-cylinder piston compressor has large air flow and mechanical vibration, and in order to solve vibration noise, a thick iron sheet shell like durian is covered outside a machine core of the piston compressor and is designed into two halves, the machine core is added by three springs, and then an upper half shell and a lower half shell are welded together. Thus it is bulky and heavy. The two sets of sliding vane modules of the present compressor are in an overlapping state at 0 degree, so that a large noise is generated during operation.

Disclosure of Invention

The utility model aims to solve the technical problem that a two rotor compressor structure sets 180 degrees malpositions between the gleitbretter module, can be fine solution too big and the too big problem of vibration of noise.

The utility model discloses a realize through following technical scheme: the utility model provides a birotor compressor structure, includes the compressor host computer, and the compressor host computer includes a casing, and the casing embeds there is the core, and an upper cover is installed at the top of casing, and outside intake pipe is connected to core one side, and intake-tube connection oil and gas separator, oil and gas separator pass through support fixed mounting in the casing outside, are provided with two sets of gleitbretter modules in the core, are symmetrical 180 degrees between two sets of gleitbretter modules and place, and both fall behind 180 degrees on the phase place.

As the preferred technical scheme, the core comprises a motor rotor, an electronic stator, an upper bearing, a partition plate, a lower bearing, an eccentric shaft, a first sliding sheet module and a second sliding sheet module, wherein the eccentric shaft penetrates through the first sliding sheet module and the second sliding sheet module and is connected with the motor rotor, and the motor rotor drives the eccentric shaft to rotate clockwise under the action of a rotating magnetic field generated by the electronic stator.

As the preferred technical scheme, first gleitbretter module includes last cylinder, goes up piston and goes up the gleitbretter, goes up the piston and follows the eccentric shaft and rotate, goes up the gleitbretter slidable mounting in last cylinder, goes up gleitbretter one side and is provided with the spring, and it compresses tightly with last piston and makes straight reciprocating motion to go up the gleitbretter through the spring ejecting.

As the preferred technical scheme, the upper cylinder, the upper piston and the upper slide form the volume of two crescent cavities, so that the air suction from small to large is realized

As the preferred technical scheme, the second sliding piece module comprises a lower air cylinder, a lower piston and a lower sliding piece, the lower piston rotates along with the eccentric shaft, the lower sliding piece is installed in the lower air cylinder in a sliding mode, a spring is arranged on one side of the lower sliding piece, and the lower sliding piece is ejected out through the spring and is pressed with the lower piston to do linear reciprocating motion.

As a preferred technical scheme, the lower cylinder, the lower piston and the lower slide form the volume of two crescent cavities, so that air suction from small to large is realized.

The utility model has the advantages that: the utility model discloses change the gleitbretter part of traditional compressor for symmetrical 180 degrees from 0 degree dislocation and place, can effectively offset pressure, noise reduction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an explosion structure diagram of the movement of the present invention;

fig. 3 is a graph of volume-angle and pressure-angle of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the utility model discloses a birotor compressor structure, including the compressor host computer, the compressor host computer includes a casing 17, and casing 17 embeds there is the core, an upper cover 16 of top installation of casing 17, outside intake pipe 12 is connected to core one side, intake pipe 12 is connected oil and gas separator 19, and oil and gas separator 19 passes through support 20 fixed mounting in the casing 17 outside, its characterized in that: two groups of sliding vane modules are arranged in the machine core, the two groups of sliding vane modules are symmetrically arranged at 180 degrees, and the two groups of sliding vane modules lag behind the phase position by 180 degrees.

In this embodiment, as shown in fig. 2, the core includes a motor rotor 1, an electronic stator 2, an upper bearing 3, a partition plate 6, a lower bearing 9, an eccentric shaft 11, a first sliding vane module and a second sliding vane module, the eccentric shaft 11 passes through the first sliding vane module and the second sliding vane module and is connected with the motor rotor 1, and the motor rotor 1 drives the eccentric shaft to rotate clockwise under the action of a rotating magnetic field generated by the electronic stator.

The first sliding piece module comprises an upper air cylinder 5, an upper piston 4 and an upper sliding piece 13, the upper piston 4 rotates along with an eccentric shaft 11, the upper sliding piece 13 is slidably mounted in the upper air cylinder 5, a spring is arranged on one side of the upper sliding piece 13, the upper sliding piece 13 is ejected out through the spring and is pressed with the upper piston 4 to do linear reciprocating motion, the volumes of two crescent-shaped cavities are formed among the upper air cylinder 5, the upper piston 4 and the upper sliding piece 13, and air suction from small to large is realized

The second gleitbretter module includes lower cylinder 8, lower piston 10 and gleitbretter 7 down, and lower piston 10 is following eccentric shaft 11 and is rotating, and lower gleitbretter 7 slidable mounting is in lower cylinder 8, and lower gleitbretter 7 one side is provided with the spring, compresses tightly through spring ejecting lower gleitbretter 7 and lower piston and makes straight reciprocating motion, forms the volume of two crescent cavitys between lower cylinder 8, lower piston 10 and the lower gleitbretter 7, realizes breathing in from little to big.

As shown in fig. 3, the solid line in the upper graph represents the change of the in-cylinder pressure during one rotation of the compressor crankshaft from 0 degree to 360 degrees.

If the two cylinder slides are partially overlapped without being staggered, the peak of the pressure curve will become 2 times that of the single cylinder compressor, causing the compressor to shake.

If the sliding vane parts of the two cylinder bodies are staggered by 180 degrees, the pressure curves are mutually offset, the curves can be theoretically changed into a straight line parallel to the X axis, the airflow pulsation of the compressor is balanced due to the design, and the vibration is greatly eliminated.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a birotor compressor structure, includes compressor host computer, and compressor host computer includes a casing (17), and casing (17) embeds there is the core, an upper cover (16) of top installation of casing (17), outside intake pipe (12) are connected to core one side, intake pipe (12) are connected oil and gas separator (19), and oil and gas separator (19) are through support (20) fixed mounting in casing (17) outside, its characterized in that: two groups of sliding vane modules are arranged in the machine core, the two groups of sliding vane modules are symmetrically arranged at 180 degrees, and the two groups of sliding vane modules lag behind the phase position by 180 degrees.

2. The dual rotor compressor structure of claim 1, wherein: the movement comprises a motor rotor (1), an electronic stator (2), an upper bearing (3), a partition plate (6), a lower bearing (9), an eccentric shaft (11), a first sliding sheet module and a second sliding sheet module, wherein the eccentric shaft (11) penetrates through the first sliding sheet module and the second sliding sheet module and is connected with the motor rotor (1), and the motor rotor (1) drives the eccentric shaft to rotate clockwise under the action of a rotating magnetic field generated by the electronic stator.

3. The dual rotor compressor structure of claim 2, wherein: the first sliding piece module comprises an upper air cylinder (5), an upper piston (4) and an upper sliding piece (13), the upper piston (4) rotates along with an eccentric shaft (11), the upper sliding piece (13) is slidably mounted in the upper air cylinder (5), a spring is arranged on one side of the upper sliding piece (13), and the upper sliding piece (13) is ejected out through the spring and is pressed against the upper piston (4) to perform linear reciprocating motion.

4. The dual rotor compressor structure of claim 3, wherein: the volume of two crescent cavities is formed among the upper cylinder (5), the upper piston (4) and the upper sliding sheet (13), so that air suction from small to large is realized.

5. The dual rotor compressor structure of claim 2, wherein: the second slip sheet module comprises a lower air cylinder (8), a lower piston (10) and a lower slip sheet (7), the lower piston (10) rotates along with an eccentric shaft (11), the lower slip sheet (7) is slidably mounted in the lower air cylinder (8), a spring is arranged on one side of the lower slip sheet (7), and the lower slip sheet (7) is ejected out through the spring and is pressed with the lower piston to perform linear reciprocating motion.

6. The dual rotor compressor structure of claim 5, wherein: the volume of two crescent cavities is formed among the lower air cylinder (8), the lower piston (10) and the lower sliding sheet (7), so that air suction from small to large is realized.