Cylinder cover of piston compressor and piston compressor
阅读说明:本技术 活塞式压缩机的气缸盖和活塞式压缩机 (Cylinder cover of piston compressor and piston compressor ) 是由 义鹏 黄刚 殷田甜 胡彬彬 瑞吉斯*** 严志奇 于 2018-06-29 设计创作,主要内容包括:本发明公开了一种活塞式压缩机的气缸盖和活塞式压缩机,所述根据本发明实施例的活塞式压缩机的气缸盖,包括:金属外罩和隔离内罩,所述金属外罩罩设在所述隔离内罩外,所述隔离内罩为隔热材料制成。本发明的活塞式压缩机的气缸盖,隔离内罩具有很好的隔热性能,可使得具有该气缸盖的压缩机在工作过程中吸入的气体温度不会过高,具有稳定的制冷量和较高的能效比。(The invention discloses a cylinder cover of a piston compressor and the piston compressor, the cylinder cover of the piston compressor according to the embodiment of the invention comprises: the metal outer cover covers outside the isolation inner cover, and the isolation inner cover is made of heat insulation materials. The cylinder cover of the piston compressor has the advantages that the isolating inner cover has good heat-insulating property, so that the temperature of gas sucked by the compressor with the cylinder cover in the working process is not too high, and the cylinder cover has stable refrigerating capacity and higher energy efficiency ratio.)
1. A cylinder head of a piston compressor, comprising: the metal outer cover covers outside the isolation inner cover, and the isolation inner cover is made of heat insulation materials.
2. The cylinder head of the piston compressor as claimed in claim 1, wherein the isolating inner shroud is made of a porous material.
3. The cylinder head of the piston compressor as claimed in claim 2, wherein the isolating inner cover is of closed cell aluminum foam material.
4. The cylinder head of the piston compressor as claimed in claim 1, wherein the metal outer cover has a recess, and the insulating inner cover is provided to an inner wall surface of the recess to form a receiving chamber.
5. The cylinder head of the piston compressor as claimed in claim 1, wherein the metal shell is made of a solid aluminum material.
6. The cylinder head of the piston compressor as claimed in claim 1, wherein the metal shell has a mounting table for mounting the cylinder head.
7. The cylinder head of the piston compressor as claimed in claim 1, wherein the thickness of the isolating inner shroud is N and the thickness of the metal outer shroud is M, satisfying: n is more than 0 and less than or equal to M.
8. The cylinder head of the piston compressor as claimed in claim 3, wherein the closed cell of the inner shroud has a wall thickness L satisfying 0.2mm L0.5 mm.
9. The cylinder head of the piston compressor as claimed in claim 3, wherein an inner bore diameter of the isolating inner cover is D, satisfying 1mm ≤ D ≤ 6 mm.
10. The cylinder head of the piston compressor as claimed in claim 3, wherein the inner porosity of the isolating inner shroud is A, satisfying 30% A75%.
11. The cylinder head of the piston compressor as claimed in claim 7, wherein the modulus of elasticity of the isolating inner shroud is E, satisfying 1.4GPa ≦ E ≦ 8.0 GPa.
12. The cylinder head of the piston compressor as claimed in claim 3, wherein the isolating inner cover has a silicon carbide additive, the silicon carbide additive being present in a mass fraction B satisfying 0.1% B1.1%.
13. Piston compressor, characterized in that a cylinder head of a piston compressor according to any of claims 1-12 is provided.
Technical Field
The invention belongs to the technical field of compressor manufacturing, and particularly relates to a cylinder cover of a piston compressor and the piston compressor with the cylinder cover.
Background
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a cylinder cover of a piston compressor, wherein the cylinder cover is of a composite structure made of closed-cell foamed aluminum and solid aluminum and has good heat insulation effect and vibration reduction performance.
According to the embodiment of the invention, the cylinder cover of the piston compressor comprises: the metal outer cover covers outside the isolation inner cover, and the isolation inner cover is made of heat insulation materials.
According to the cylinder cover of the piston compressor disclosed by the embodiment of the invention, the isolating inner cover has good heat-insulating property, so that the temperature of gas sucked by the compressor with the cylinder cover in the working process is not too high, and the cylinder cover has stable refrigerating capacity and higher energy efficiency ratio.
According to the cylinder cover of the piston compressor, the isolating inner cover is made of porous materials.
According to the cylinder cover of the piston compressor, the isolating inner cover is made of closed-cell foamed aluminum material.
According to the cylinder head of the piston compressor of the embodiment of the invention, the metal outer cover is provided with a groove, and the isolating inner cover is arranged on the inner wall surface of the groove to form an accommodating cavity.
According to the cylinder cover of the piston compressor, the metal outer cover is made of solid aluminum material.
According to the cylinder cover of the piston compressor, the metal outer cover is provided with a mounting platform for mounting the cylinder cover.
According to the cylinder cover of the piston compressor provided by the embodiment of the invention, the thickness of the isolating inner cover is N, the thickness of the metal outer cover is M, and the requirements that: n is more than 0 and less than or equal to M.
According to the cylinder cover of the piston compressor, the wall thickness of the closed hole of the isolating inner cover is L, and L is more than or equal to 0.2mm and less than or equal to 0.5 mm.
According to the cylinder cover of the piston compressor, the inner aperture of the isolating inner cover is D, and D is larger than or equal to 1mm and smaller than or equal to 6 mm.
According to the cylinder cover of the piston compressor, the internal porosity of the isolating inner cover is A, and the porosity A is more than or equal to 30% and less than or equal to 75%.
According to the cylinder cover of the piston compressor, the elastic modulus of the isolating inner cover is E, and the requirement that E is more than or equal to 1.4GPa and less than or equal to 8.0GPa is met.
According to the cylinder cover of the piston compressor, the isolating inner cover is provided with the silicon carbide additive, the mass fraction of the silicon carbide contained in the isolating inner cover is B, and B is more than or equal to 0.1% and less than or equal to 1.1%.
The invention also provides a piston compressor.
According to the piston compressor of the embodiment of the invention, the cylinder cover of the piston compressor of any one of the embodiments is arranged.
The piston compressor has the same advantages of the cylinder cover compared with the prior art, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a cylinder head according to an embodiment of the invention;
FIG. 2 is a front view of a cylinder head according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a cylinder head according to an embodiment of the invention;
FIG. 4 is a top view of a piston compressor according to an embodiment of the present invention;
FIG. 5 is an exploded view of a cylinder head and valve assembly according to an embodiment of the present invention;
fig. 6 is a sectional view of a piston compressor according to an embodiment of the present invention.
Reference numerals:
the
a metal outer cover 1, an
a cylinder block 101, a piston 102, a connecting rod 103, a crankshaft 104, a housing assembly 105, a motor stator 106, a motor rotor 107,
the
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A
As shown in fig. 1 to 6, a
The metal outer cover 1 covers the isolation
As shown in fig. 3, the metal outer cover 1 has a groove, and the insulating
The closed-cell foamed aluminum material is a novel light functional material and has the characteristics of low density, high strength, high rigidity ratio, sound absorption and energy absorption, high damping and vibration reduction performance, high impact energy absorption rate and the like. And the density of the closed-cell foamed aluminum material is generally 0.1-0.4 times of that of the metal aluminum, so that the light weight effect of the isolating
As shown in fig. 4 and 6, the
According to the
According to the
In one embodiment, the metal housing 1 has four
In some embodiments, the thickness of the insulating
In some embodiments, the closed cells of the inner insulating
The inner aperture of the isolating
The internal porosity of the isolating
The elastic modulus of the isolating
The isolating
The invention also provides a piston compressor.
According to the piston compressor provided with the
Wherein, as shown in fig. 6, the piston compressor further comprises: the compressor comprises a cylinder seat 101, a piston 102, a connecting rod 103, a crankshaft 104, a shell assembly 105, a motor stator 106 and a motor rotor 107, wherein the driving motor drives the crankshaft 104 to move, the crankshaft 104 drives the connecting rod 103 to move, and the connecting rod 103 drives the piston 102 to reciprocate through a piston pin, so that air suction and exhaust of the compressor are realized. The cylinder block 101, the piston 102, the connecting rod 103, the crankshaft 104, the motor stator 106 and the motor rotor 107 are all installed in the housing assembly 105, so that all parts of the piston compressor are relatively fixed and have a stable working environment.
It should be noted that the piston compressor according to the embodiment of the present invention may be applied to any refrigeration device, such as a refrigerator, a freezer, an air conditioner, a dehumidifier, etc., and the piston compressor is connected to an evaporator, a condenser, a throttling device, etc. to form a complete refrigeration system. The refrigeration system has good refrigeration efficiency and low use noise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.