阅读说明：本技术 油气分离器及压缩机 (Gs-oil separator and compressor ) 是由 赵逸 阙沛祯 翟元彬 苗旺 马舒院 于 2019-07-24 设计创作，主要内容包括：本发明涉及一种油气分离器,涉及压缩机技术领域,其用于解决润滑油与气态冷媒的不能完全分离的问题。本发明的油气分离器,包括储液罐,油气分离器中的润滑油及冷媒混合气经过滤网被过滤分离,分离后的润滑油存在储液罐的下方,而冷媒气体会则从油气分离器的排气口被排出；并且经过滤网后润滑油会在重力的作用下沿滤网向储液罐的底部流动,并最终从油气分离器下方的卸油孔流出,而液态冷媒会随着吸热蒸发从排气管排出,从而实现了润滑油与气态冷媒的完全分离。(The present invention relates to a kind of gs-oil separators, are related to Compressor Technology field, are used to solve the problems, such as being not completely separated for lubricating oil and gaseous coolant.Gs-oil separator of the invention, including fluid reservoir, lubricating oil and refrigerant gaseous mixture in gs-oil separator are isolated by filtration through filter screen, and there are the lower sections of fluid reservoir for the lubricating oil after separation, and cold media gas can be then discharged from the exhaust outlet of gs-oil separator；And lubricating oil can be under gravity along strainer to the flows of fluid reservoir after passing through the filter screen, and oilhole outflow finally is unloaded from below gs-oil separator, and liquid refrigerants can be discharged with heat absorption evaporation from exhaust pipe, to realize being kept completely separate for lubricating oil and gaseous coolant.)

1. a kind of gs-oil separator, which is characterized in that including fluid reservoir, at least provided with one layer of strainer, institute in the fluid reservoir It states and is respectively arranged with air inlet, exhaust outlet on fluid reservoir and unloads oilhole；

Wherein, the air inlet and the exhaust outlet are separately positioned on the two sides of the strainer, the exhaust outlet and the emptying The same side of the strainer is arranged in hole, and the top for unloading oilhole is arranged in.

2. gs-oil separator according to claim 1, which is characterized in that between the strainer and the bottom wall of the fluid reservoir With angle.

3. gs-oil separator according to claim 1 or 2, which is characterized in that the air inlet is arranged in the fluid reservoir Side, the air inlet pipe for being connected to compressor epicoele is connected on the air inlet.

4. gs-oil separator according to claim 1 or 2, which is characterized in that the oilhole that unloads up to being connected with one less Oil return pipe, the oil return pipe protrude into compressor cavity of resorption oil sump.

5. gs-oil separator according to claim 4, which is characterized in that the oil return pipe is located at the shell of the compressor Outside or inside.

6. gs-oil separator according to claim 1 or 2, which is characterized in that be connected with exhaust pipe, institute on the exhaust outlet The upper cover for stating exhaust pipe from compressor is protruding.

7. gs-oil separator according to claim 1 or 2, which is characterized in that the fluid reservoir is square container, round appearance One of device or elliptical vessel, the strainer are configured to the rectangle to match with the inner cavity of the fluid reservoir or round shape Shape.

8. a kind of compressor comprising gs-oil separator of any of claims 1-7, which is characterized in that the pressure Contracting machine further includes upper cover, compressor epicoele and compressor cavity of resorption oil sump, and the compressor epicoele is arranged in the upper cover and institute It states between compressor cavity of resorption oil sump；

Wherein, the position in the compressor epicoele close to the upper cover is arranged in the gs-oil separator.

9. compressor according to claim 8, which is characterized in that be provided with motor stator group in the compressor epicoele Part is less than or equal to motor stator trimming so that the oil return pipe can be arranged with the diameter for unloading the oil return pipe that oilhole is connected In the motor stator trimming.

10. compressor according to claim 9, which is characterized in that further include being located at the compressor epicoele and the pressure The lower part of upper flange in the pump assembly is arranged in pump assembly between contracting machine epicoele, the outlet of the oil return pipe end, To avoid the secondary mixing of gaseous refrigerant.

11. the compressor according to any one of claim 8-10, which is characterized in that it further include dispenser, the liquid separation Device is connected with the air entry of pump assembly, for impurity screening and separates and convey gaseous refrigerant, the pump assembly and use It is connected in the motor rotor component for providing it driving force.

12. compressor according to claim 11, which is characterized in that the pump assembly is at least partially disposed on described In compressor cavity of resorption oil sump, so that fuel feeding is sufficient when running the pump housing of compressor.

13. the compressor according to any one of claim 8-10, which is characterized in that the compressor further includes shell, The shell collectively constitutes the cavity of sealing with the upper cover and lower cover respectively.

Technical field

The present invention relates to Compressor Technology field, particularly a kind of gs-oil separator and compressor.

Background technique

Traditional compressor in the process of running, especially under the lower operating condition of delivery temperature and under the operating conditions such as cold-starting, Refrigerant is mostly liquid in compressor, and lubricating oil and liquid refrigerants with exhaust are carried over compressor after dissolving each other together, causes compressor The decline of cavity of resorption oil sump oil level, fuel sucking pipe suck lubrication oil, compressor pump abrasion can not reduce reliability from oil sump.With row The lubricating oil that gas is discharged together will lead to refrigerant, and heat transfer rate declines in systems, and refrigeration effect reduces, and efficiency reduces.

In order to solve problem above, the patent of Chinese patent CN201821344664.X discloses a kind of epicoele and adds oil baffle Compressor, but there is following two in scheme, one is the design of this oil baffle can only solve the problems, such as part Oil-gas Separation, Really oil and refrigerant gas are not separated, therefore gas-liquid separation limited efficacy；The second is the oil isolated only arbitrarily from Oil baffle surrounding hole flows down, and returns to cavity of resorption along stator trimming, but oily can mix again with refrigerant gas is taken away in the process.

Summary of the invention

The present invention provides a kind of gs-oil separator and compressor, and be used to solve lubricating oil and gaseous coolant cannot be complete The problem of separation.

According to the first aspect of the invention, the present invention provides a kind of gs-oil separator,

Compared with the prior art, the advantages of the present invention are as follows:

(1) lubricating oil in gs-oil separator and refrigerant gaseous mixture are isolated by filtration through filter screen, the lubricating oil after separation There are the lower sections of fluid reservoir, and cold media gas can be then discharged from the exhaust outlet of gs-oil separator；And it lubricates after passing through the filter screen Oil can be under gravity along strainer to the flows of fluid reservoir, and finally unload oilhole stream from below gs-oil separator Out, and liquid refrigerants can be discharged with heat absorption evaporation from exhaust pipe, to realize being kept completely separate for lubricating oil and gaseous coolant.

(2) it is protruded into compressor cavity of resorption oil sump due to unloading the oil return pipe connected on oilhole, is able to maintain that compressor The depth of bottom oil sump guarantees that fuel sucking pipe is immersed in oil sump always, so that fuel feeding is sufficient when running the pump housing, reduces Pump Body Parts Abrasion improves air-tightness, enhances compressor reliability.

Detailed description of the invention

The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.

Fig. 1 is the structural schematic diagram of gs-oil separator in the first embodiment of the present invention；

Fig. 2 is cross-sectional view of the Fig. 1 at A-A；

Fig. 3 is the structural schematic diagram of strainer in the second embodiment of the present invention；

Fig. 4 is the main view of first embodiment of the present invention compressor；

Fig. 5 is the main view of second embodiment of the present invention compressor.

Identical component is indicated by identical appended drawing reference in the figure.The attached drawing is not drawn according to the actual ratio.

Appended drawing reference:

1- upper cover, 2- dispenser, 3- motor rotor component, 4- motor stator component, 5- shell, 6- compressor cavity of resorption oil Pond, 7- lower cover, 8- compressor epicoele, 9- motor stator trimming, 11- pump assembly；

10- gs-oil separator；101- air inlet pipe, 102- strainer, 103- unload oilhole, 104- oil return pipe, 105- exhaust pipe, 106- fluid reservoir.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings.

According to the first aspect of the invention, as illustrated in fig. 1 and 2, the present invention provides a kind of gs-oil separator 10 comprising Fluid reservoir 106 is respectively arranged with air inlet, exhaust outlet on fluid reservoir 106 at least provided with one layer of strainer 102 in fluid reservoir 106 With unload oilhole；Wherein, air inlet and exhaust outlet are separately positioned on the two sides of strainer 102, and exhaust outlet is arranged with oilhole is unloaded in strainer 102 the same side, and the top for unloading oilhole 103 is set.Such as the upper end of fluid reservoir 106 is arranged in exhaust outlet, unloads oilhole 103 In the lower end of fluid reservoir 106.

Further, there is angle between strainer 102 and the bottom wall of fluid reservoir 106.As shown in Fig. 2, strainer 102 and liquid storage Acute angle is formed between the bottom wall of tank 106, tilts strainer 102 towards the air inlet side of fluid reservoir 106.It is to be appreciated that filter Net 102 can also be tilted towards the exhaust outlet side of fluid reservoir 106.By being obliquely installed strainer 102, filtered profit can be made Lubricating oil flows downward along the inclined direction of strainer under the effect of gravity, and can be avoided the phenomenon that lubricating oil is taken away by gas.

As shown in Fig. 2, the refrigerant mixed gas in fluid reservoir 106 is filtered separation at strainer 102, wherein separating Liquid lubricant out is stored in the bottom of fluid reservoir 106, and the refrigerant gas isolated is discharged by exhaust outlet；Work as fluid reservoir When oil level in 106 reach a certain height, lubricating oil is flowed out from oilhole 103 is unloaded, to realize lubricating oil and gaseous coolant It is kept completely separate, solves the problems, such as compressor air-discharging band oil.

As shown by the arrows in Figure 2, lubricating oil and refrigerant gaseous mixture be after filter screen 102, the liquid refrigerant (pole isolated On a small quantity) and lubricating oil flows downward along the inclined direction of strainer 102, and flow on the bottom wall of fluid reservoir 106, due to lubricating oil Density is less than the density of refrigerant liquid, therefore lubricating oil can be suspended in the top of refrigerant liquid, flow downward from liquid When lubricating oil can be flowed out from unloading in oilhole 103, and liquid refrigerant steams after absorbing during the operation of the compressor exhaust gas heat It sends out and is discharged from exhaust outlet.

Specifically, the side of fluid reservoir 106 is arranged in air inlet, is connected on air inlet for connecting with compressor epicoele 8 Logical air inlet pipe 101.Exhaust pipe 105 is connected on exhaust outlet, the upper cover of exhaust pipe 105 from compressor is protruding.

It unloads and is at least connected with an oil return pipe 104 on oilhole 103, oil return pipe 104 protrudes into compressor cavity of resorption oil sump 6. The lubricating oil after separation is transported in compressor cavity of resorption oil sump by oil return pipe 104, therefore is able to maintain that compressor cavity of resorption The depth of oil sump is to guarantee that fuel sucking pipe is immersed in always in cavity of resorption oil sump, so that fuel feeding is sufficient when running the pump housing of compressor, with Pump Body Parts abrasion is reduced, to solve the phenomenon that relatively low oil level in compressor operational process, oil starvation abrasion, is improved airtight Property simultaneously enhances the reliability of compressor.

Further, as shown in Figures 4 and 5, oil return pipe 104 is located at the outside or inside of the shell of compressor.

In one embodiment, fluid reservoir 106 is one of square container, bulge or elliptical vessel, strainer 102 are configured to the rectangle to match with the inner cavity of fluid reservoir 106 or circular shape, and in other words, the shape of strainer 102 can be example Such as rectangular, round or ellipse one kind.As shown in Figure 2, it is shown that circular filter screen；As shown in Figure 3, it is shown that rectangle strainer.

According to the second aspect of the invention, as shown in Figures 4 and 5, the present invention provides a kind of compressor comprising above-mentioned Gs-oil separator 10, compressor further include upper cover 7, compressor epicoele 8 and compressor cavity of resorption oil sump 6, and compressor epicoele 8 is arranged Between upper cover 7 and compressor cavity of resorption oil sump 6.

Wherein, the position in chamber 8 on the compressor close to upper cover is arranged in gs-oil separator 10.As shown in figure 4, air inlet pipe 101 close to upper cover 7, and is located at that side of gs-oil separator 10 far from dispenser 2, middle part of the exhaust pipe 105 from upper cover 7 Position is stretched out from inside to outside.

Further, it is provided with motor stator component 4 in compressor epicoele 8, with the oil return pipe 104 for unloading oilhole 103 and being connected Diameter be less than or equal to motor stator trimming 9 so that oil return pipe 104 can be arranged in motor stator trimming 9.Such as Fig. 1 institute Show, oil return pipe 104 is located at the inside of shell 5, so that oil return pipe 104 be enable to be arranged in motor stator trimming 9, and extends and sets In compressor cavity of resorption oil sump 6.

Further, compressor further includes the pump assembly 11 between compressor epicoele 8 and compressor epicoele 8, is returned The lower part of upper flange in pump assembly 11 is arranged in the outlet of 104 end of oil pipe, to avoid the secondary mixing of gaseous refrigerant, from And improve the effect of gas-liquid separation.

Further, compressor further includes dispenser 2, and dispenser 2 is connected with the air entry of pump assembly 11, for filtering Impurity and separation simultaneously convey gaseous refrigerant, and pump assembly 11 is connected with the motor rotor component 3 for providing it driving force.

Pump assembly 11 is at least partially disposed in compressor cavity of resorption oil sump 6, and specifically fuel sucking pipe setting is in cavity of resorption oil Chi Zhong, so that fuel feeding is sufficient when running the pump housing of compressor.

In addition, compressor further includes shell 5, shell 5 collectively constitutes the cavity of sealing with upper cover 1 and lower cover 7 respectively, In compressor epicoele 8 described above be the cavity a part.

In embodiment as shown in Figure 5, oil return pipe 104 is located at the outside of shell 5.In order not to generate interference with dispenser 2, Oil return pipe 104 and dispenser 2 are separately positioned on the two sides of shell 5, thus make air inlet pipe 101 be positioned close to upper cover 7 and Positioned at gs-oil separator 10 in that side of dispenser 2, embodiment shown in fig. 5, shown in other set-up modes and Fig. 1 Embodiment it is identical, details are not described herein.

In conclusion by the present invention in that lubricating oil and refrigerant gaseous mixture are filtered separation in gs-oil separator 10, Lubricating oil and refrigerant liquid after separation are stored in the lower section of fluid reservoir 106, and cold media gas can be then from gs-oil separator 10 Exhaust outlet is discharged；And since the density of lubricating oil is less than the density of refrigerant liquid, lubricating oil can be flowed from oilhole 103 is unloaded Out, and liquid refrigerants can be discharged with heat absorption evaporation from exhaust pipe, to realize being kept completely separate for lubricating oil and gaseous coolant.

Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.