CN108661887A - Valve block and freezer compressor and refrigerator for refrigerator reciprocating compressor - Google Patents
Valve block and freezer compressor and refrigerator for refrigerator reciprocating compressor Download PDFInfo
- Publication number
- CN108661887A CN108661887A CN201810556268.1A CN201810556268A CN108661887A CN 108661887 A CN108661887 A CN 108661887A CN 201810556268 A CN201810556268 A CN 201810556268A CN 108661887 A CN108661887 A CN 108661887A
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- China
- Prior art keywords
- valve block
- valve
- compressor
- refrigerator
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/04—Composite, e.g. fibre-reinforced
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention relates to refrigeration appliance field, the valve block and compressor and refrigerator for refrigerator reciprocating compressor are disclosed.The valve block for refrigerator reciprocating compressor is made by fibre reinforced epoxy resin composite.Valve block of the present invention has preferable chemical resistance, dimensional stability, and damping factor is larger, when for freezer compressor, the high frequency noise generated when suction valve chip clack valve is hit with valve plate, exhaust valve plate and lift stopper can be reduced, simultaneously because proportion is smaller, suction and discharge loss is reduced, compressor efficiency is improved.
Description
Technical field
The present invention relates to refrigeration appliance fields, and in particular to a kind of valve block and refrigerator pressure for refrigerator reciprocating compressor
Contracting machine and refrigerator.
Background technology
Valve group is commonly known as " heart " of compressor, and suction and discharge valve block is the important component of valve group, it is seen then that inhales
Exhaust valve plate is core of the compressor set at core in parts, will have a direct impact on efficiency, the noise vibration of compressor
Etc. performance parameters.Therefore, selection for suction and discharge valve block material when, following items material properties be important consider according to
According to：
(1) chemical resistance：When compressor operating, inside contain refrigerant and lubricating oil, it is necessary to assure not with above-mentioned two classes object
Matter chemically reacts；
(2) dimensional stability：For suction valve chip close to cylinder, exhaust valve plate is in direct contact compressed high-temperature gas, residing
Environment temperature is higher, it is necessary to assure will not deform, no it will cause leakages；
(3) it damps：When compressor operating, piston compression refrigerant, when exhaust, the clack valve of suction valve chip can hit valve plate, row
Air valve plate can hit lift stopper, and to generate noise, part Impact energy can be consumed by damping higher material itself, drop
Low noise；
(4) bending modulus：Material bending modulus plays the speed of complexity and closing that suction and discharge valve block is opened
Important function, the energy consumption of suction and discharge process when suitable bending modulus can reduce compressor operating；
(5) fatigue strength：Suction and discharge valve block is in the adverse circumstances of high temperature and pressure, at the same subject it is high-frequency impact and
Bending load, therefore fatigue strength is directly related to reliability and the service life of compressor.
Currently used metal suction and discharge valve block is more advantageous in dimensional stability, while bending modulus is higher makes
It is very fast to obtain valve block closing velocity, but since metal proportion is larger, suction and discharge loss is larger, and metal suction and discharge valve block and gold
It is higher to belong to valve plate, the noise of metal lift stopper shock generation.In addition, with compressor to high-revolving demand, suction and discharge
Loss also can be more and more big, and noise is more and more high.
Therefore, there is an urgent need for one kind meeting requirement in dimensional stability, bending modulus, while can reduce suction and discharge damage
It becomes estranged the valve block for refrigerator reciprocating compressor of noise.
Invention content
In order to overcome the problems, such as that suction and discharge loss of the existing technology is larger, noise is higher, the present invention provides one kind
Valve block and freezer compressor and refrigerator for refrigerator reciprocating compressor.
First aspect present invention provides a kind of valve block for refrigerator reciprocating compressor, wherein the valve block be by
Fibre reinforced epoxy resin composite is made.
Second aspect of the present invention provides a kind of freezer compressor comprising suction valve chip, exhaust valve plate and valve plate,
In, the suction valve chip and/or exhaust valve plate are selected from the valve block described in first aspect present invention.
Third aspect present invention provides a kind of refrigerator comprising the freezer compressor described in second aspect of the present invention.
Valve block provided by the invention has preferable chemical resistance, dimensional stability, and damping factor is larger；The valve
Piece can be specifically the suction and discharge valve block of freezer compressor, which can reduce suction valve chip clack valve and valve plate and exhaust valve plate
The high frequency noise generated when being hit with lift stopper reduces suction and discharge loss, improves simultaneously because the proportion of valve block is smaller
Compressor efficiency.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
According to the first aspect of the invention, the present invention provides a kind of valve blocks for refrigerator reciprocating compressor, wherein
The valve block is made by fibre reinforced epoxy resin composite.
According to the present invention, in the fibre reinforced epoxy resin composite, the volume content of fiber can be 30%-
60%, for example, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%,
44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%,
59% or 60% and these point values in the range that is constituted of any two in arbitrary value.
In the fibre reinforced epoxy resin composite, the volume content of epoxy resin can be 40%-70%, example
Such as can be 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%,
54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%,
69% or 70% and these point values in the range that is constituted of any two in arbitrary value.
In the present invention, the fiber, epoxy resin volume content be according to being used when preparing the composite material
Mold in fiber and epoxy resin respectively shared volume determines.
In the present invention, the epoxy resin can be common epoxy resin in fiber reinforced epoxy resin, normally,
The epoxy resin can be selected from bisphenol A epoxide resin, bisphenol F epoxy resin, aliphatic category epoxy resin and alicyclic epoxy
It is one or more in resin.
In the present invention, in addition to epoxy resin and fiber, the fibre reinforced epoxy resin composite can also contain
Other additives, such as curing agent, such as can be amine curing agent (ethylenediamine) etc..
In the present invention, the fiber can be selected from the combination of carbon fiber, aramid fiber or carbon fiber and aramid fiber.Institute
It states carbon fiber and aramid fiber can be by being commercially available.
In the present invention, the draw ratio of the fiber can be (100-1000):1, for example, 100:1、200:1、300:
1、400:1、500:1、600:1、700:1、800:1、900:1 and 1000:1 and these ratios in any two constituted
Arbitrary value in range.Preferably, the draw ratio of the fiber is (300-900):1.
In the present invention, in the fibre reinforced epoxy resin composite, when the fiber is that carbon fiber and aramid fiber are fine
When the combination of dimension, the ratio of the carbon fiber and aramid fiber volume content is 0.5-2, for example, can be 0.5,0.6,0.7,
0.8,0.9,1,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9 or 2 and these point values in any two institute structure
At range in arbitrary value.
Under preferable case, in the fibre reinforced epoxy resin composite, the fiber is mono-oriented, herein,
The orientation angles that " mono-oriented " is interpreted as fiber are essentially identical, and difference is less than 5 °.
In the present invention, the fibre reinforced epoxy resin composite can be made by mould pressing process.The molding
Technique can be selected according to the prior art.
In the present invention, the valve block is specifically as follows the suction valve chip of freezer compressor, exhaust valve plate.
The valve block can be by the fibre reinforced epoxy resin composite plank made from mould pressing process after cutting at
Required shape and obtain.The cutting can be selected according to the prior art, such as can pass through laser, giant etc..It is required
Shape can be the shape for the valve block (such as suction valve chip, exhaust valve plate) that this field is commonly used in compressor, or
The shape being improved according to certain special demands.
In the present invention, the thickness of the valve block can be selected according to its concrete application, typically 0.2-
1mm, such as 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm or 0.9mm.Preferably, the thickness of the valve block
Degree is 0.3-0.7mm, and this thickness is more suitable for suction valve chip and/or exhaust valve plate.
In the present invention, described that there is following advantage using valve block made of fibre reinforced epoxy resin composite：
(1) there is preferable chemical resistance, do not chemically reacted with other materials in compressor；
(2) thermal linear expansion coefficient is smaller, is in an order of magnitude, good stability of the dimension with metal material；
(3) damping factor is larger for opposing metallic material, can reduce suction valve chip clack valve and valve plate, exhaust valve plate with
The high frequency noise that lift stopper generates when hitting；
(4) proportion is smaller, about the 1/6 of metal material, and the resistance that valve block is opened when can reduce suction and discharge is reduced and inhaled
Discharge loss improves compressor efficiency；
(5) there is higher bending modulus and bending strength, ensure that the reliability of compressor and longer service life.
According to the second aspect of the invention, the present invention provides a kind of freezer compressors, including suction valve chip, exhaust valve plate
And valve plate, wherein the suction valve chip and/or exhaust valve plate are selected from the valve block described in first aspect present invention.
In the present invention, the composition of the fibre reinforced epoxy resin composite of the suction valve chip and exhaust valve plate is formed
It can be identical or different.
In the preferred embodiment of the present invention, the suction valve chip is the fiber that fiber content is 30-50%
The valve block that reinforced epoxy composite material is formed, the exhaust valve plate is the fibre enhancement epoxy that fiber content is 50-60%
The valve block that resin composite materials are constituted.
In the present invention, the thickness of the suction valve chip and exhaust valve plate can be identical or different, preferably 0.3-
0.7mm。
According to the third aspect of the invention we, the present invention also provides a kind of refrigerator, the refrigerator includes second party of the present invention
Freezer compressor described in face.
There is larger damping due to the use of the valve block that fibre reinforced epoxy resin composite of the present invention is formed
The factor, with thermal linear expansion coefficient similar in metal material, higher bending modulus and bending strength, when for refrigerator, work
Less noise is generated when making compared with steel valve block, especially in high band, lower noise is obvious；Air-breathing enters power, exhaust resistance
Power reduces, and complete machine efficiency improves.
With reference to specific embodiment, the present invention is described in detail.
Following example 1-6 is used to illustrate the valve block of the present invention.
Carbon fiber used in embodiment is commercially available, draw ratio 600:1；
Used aramid fiber is commercially available, draw ratio 800:1.
Embodiment 1-6
Valve block is prepared by the following method：
(1) cleaning and preheated mold apply ingot stripper；
(2) epoxy resin dipping mono-oriented fiber is used to form prepreg cloth；
(3) above-mentioned preimpregnation is arranged in mold；
(4) molding is fixed, Epoxy Resin For Automatic Pressure Gelation Process, compression molding；
(5) ethylenediamine solidification demoulding is used, fiber reinforced epoxy resin plank (i.e. fiber reinforced epoxy resin material is obtained
Material)；
(6) through being laser-cut into the suction valve chip and/or exhaust valve plate of required shape.
Wherein, the composition (volume content) of fiber reinforced epoxy resin and prepared suction valve chip in embodiment 1-6,
The number and thickness of exhaust valve plate are as shown in table 1.
Table 1
Test case
It is used to prepare the compound of each valve block (suction valve chip AQ1-AQ6, exhaust valve plate AP1-AP6) according to following methods test
The performance of material.
(1) test of damping factor
The damping factor of above-mentioned valve block is measured according to the method for GB/T 18258-2000, the results are shown in Table 2.
(2) thermal linear expansion coefficient is tested
The thermal linear expansion coefficient of above-mentioned valve block is measured according to the method for GB/T 1036-2008, the results are shown in Table 2.
(3) bending modulus and bending strength
The bending strength and bending modulus of above-mentioned valve block are measured according to the method for GB/T 9341-2008, as a result such as 2 institute of table
Show.
Table 2
(4) chemical resistance test
Above-mentioned valve block is contacted with refrigerant in compressor (iso-butane (R600a)) and lubricating oil, contact conditions are：50-150
At a temperature of DEG C, 48h；The results show that suction valve chip AQ1-AQ6 and exhaust valve plate AP1-AP6 is not generated with above-mentioned chemical substance
Solubility problem, that any variation does not occur at 150 DEG C of high temperature.
From above-mentioned test result it is found that air-breathing of the present invention and exhaust valve plate, especially valve block AQ1-AQ4 and AP1-
AP4 has good chemical resistance, larger damping factor (up to 1.36), and has the lower coefficient of expansion (and one simultaneously
As metal material (thermal linear expansion coefficient of such as iron be 12.5ppm/K) be in the same order of magnitude), larger bending strength and curved
Bent modulus.Based on the above performance parameter, valve block of the present invention be used for refrigerator when, the lower noise of complete machine, high band especially
Obviously；And due to valve block light specific gravity, air-breathing enters power, exhaust resistance reduces, and complete machine efficiency improves.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of valve block in refrigerator reciprocating compressor, which is characterized in that the valve block is by fibre enhancement epoxy tree
Resin composite material is made.
2. valve block according to claim 1, wherein in the fibre reinforced epoxy resin composite, the volume of fiber
Content is 30%-60%, and the volume content of epoxy resin is 40%-70%.
3. valve block according to claim 2, wherein the fiber is selected from carbon fiber, aramid fiber or carbon fiber and aramid fiber
The combination of fiber.
4. valve block according to claim 1, wherein the draw ratio of the fiber is (100-1000):1.
5. valve block according to claim 3, wherein the fiber is the combination of carbon fiber and aramid fiber.
6. valve block according to claim 5, wherein in the fibre reinforced epoxy resin composite, the carbon fiber
The volume content ratio of dimension and aramid fiber is 0.5-2.
7. valve block according to claim 1, wherein the thickness of the valve block is 0.2-1mm.
8. valve block according to any one of claims 1-7, wherein the fibre reinforced epoxy resin composite is logical
Mould pressing process is crossed to be made.
9. a kind of freezer compressor, including suction valve chip, exhaust valve plate and valve plate, which is characterized in that the suction valve chip and/or
Exhaust valve plate is selected from the valve block described in any one of claim 1-8.
10. a kind of refrigerator, which is characterized in that the refrigerator includes the freezer compressor described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556268.1A CN108661887A (en) | 2018-05-31 | 2018-05-31 | Valve block and freezer compressor and refrigerator for refrigerator reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556268.1A CN108661887A (en) | 2018-05-31 | 2018-05-31 | Valve block and freezer compressor and refrigerator for refrigerator reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108661887A true CN108661887A (en) | 2018-10-16 |
Family
ID=63775098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556268.1A Pending CN108661887A (en) | 2018-05-31 | 2018-05-31 | Valve block and freezer compressor and refrigerator for refrigerator reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661887A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196543A (en) * | 1997-01-13 | 1998-07-31 | Mitsui Chem Inc | Valve plate for compressor, compressor using it |
| CN1364982A (en) * | 2000-12-28 | 2002-08-21 | Rc集团股份有限公司 | Circular suction valve for reciprocating variable volume compressor and compressor mounted with such valve |
| CN203395255U (en) * | 2013-07-03 | 2014-01-15 | 重庆中镭科技有限公司 | Gas-controlled piezoelectric ceramic driving valve plate |
| CN103775311A (en) * | 2014-01-07 | 2014-05-07 | 浙江大学 | Reciprocating compressor valve plate made of carbon fiber composite and manufacturing method thereof |
| CN105849448A (en) * | 2013-10-16 | 2016-08-10 | 诺沃皮尼奥内股份有限公司 | Automatic ring valve, shutters for automatic ring valves, and method for manufacturing said shutters |
| CN106286228A (en) * | 2015-05-25 | 2017-01-04 | 康茨（上海）压缩机技术服务有限公司 | A kind of compressor valve plate based on fabric intensive aspect and valve collar and manufacture method |
-
2018
- 2018-05-31 CN CN201810556268.1A patent/CN108661887A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196543A (en) * | 1997-01-13 | 1998-07-31 | Mitsui Chem Inc | Valve plate for compressor, compressor using it |
| CN1364982A (en) * | 2000-12-28 | 2002-08-21 | Rc集团股份有限公司 | Circular suction valve for reciprocating variable volume compressor and compressor mounted with such valve |
| CN203395255U (en) * | 2013-07-03 | 2014-01-15 | 重庆中镭科技有限公司 | Gas-controlled piezoelectric ceramic driving valve plate |
| CN105849448A (en) * | 2013-10-16 | 2016-08-10 | 诺沃皮尼奥内股份有限公司 | Automatic ring valve, shutters for automatic ring valves, and method for manufacturing said shutters |
| CN103775311A (en) * | 2014-01-07 | 2014-05-07 | 浙江大学 | Reciprocating compressor valve plate made of carbon fiber composite and manufacturing method thereof |
| CN106286228A (en) * | 2015-05-25 | 2017-01-04 | 康茨（上海）压缩机技术服务有限公司 | A kind of compressor valve plate based on fabric intensive aspect and valve collar and manufacture method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
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| RJ01 | Rejection of invention patent application after publication |