CN206290410U - Oil supply system for compressor and the compressor assembly with it - Google Patents

Oil supply system for compressor and the compressor assembly with it Download PDF

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Publication number
CN206290410U
CN206290410U CN201621402453.8U CN201621402453U CN206290410U CN 206290410 U CN206290410 U CN 206290410U CN 201621402453 U CN201621402453 U CN 201621402453U CN 206290410 U CN206290410 U CN 206290410U
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China
Prior art keywords
chamber
fuel
compressor
supply system
oil supply
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CN201621402453.8U
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Chinese (zh)
Inventor
吴昕
李镇杉
辜永刚
王永
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Midea Group Co Ltd
Chongqing Midea General Refrigeration Equipment Co Ltd
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Midea Group Co Ltd
Chongqing Midea General Refrigeration Equipment Co Ltd
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Abstract

The utility model discloses a kind of oil supply system for compressor and the compressor assembly with it.Compressor includes bearing assembly, and bearing assembly has fuel feed hole and spill port, and oil supply system includes:Fuel tank, fuel tank includes fuel tank import and fuel-tank outlet, and fuel tank import is suitable to be turned on spill port;The pump housing, the pump housing includes inlet and liquid outlet, and fuel-tank outlet is turned on inlet;Hydraulic energy storage device, hydraulic energy storage device includes housing and piston, accommodating chamber is limited in housing, piston is movably arranged in accommodating chamber and accommodating chamber is separated into first chamber and second chamber, first chamber includes the opening of fuel feeding turnover, any two in liquid outlet, opening and fuel feed hole is both turned on, and spring is provided with second chamber and second chamber is adapted to communicate with pressure balance chamber.According to the utility model oil supply system, in emergency power off, the lubricating oil that hydraulic energy storage device can be for needed for compressor provides motor coast to stopping process axis bearing assembly.

Description

Oil supply system for compressor and the compressor assembly with it
Technical field
The utility model is related to refrigeration technology field, more particularly, to a kind of oil supply system for compressor and with this The compressor assembly of oil supply system.
Background technology
Continuously bearing is lubricated, it is necessary to pass through lubricating oil in the operation process of compressor, to protect compression Machine bearing is not damaged by, and improves the service life of compressor.Lubricating oil is typically pumped by the pump housing, when unit is powered accident During interruption, the motor of compressor will also be remained in operation because of inertia and could stop completely for a period of time, and the pump housing during this period cannot Work, so as to cause bearing, non lubricant oil lubricates in the process, and bearing wear is serious, and bearing life is substantially reduced.
In correlation technique, top petrol tank, fuel tank memory storage lubricating oil, in emergency power off are generally set inside compressor When, lubricating oil is lubricated into bearing by gravity to bearing;Or UPS emergency service devices are added on the pump housing, tight UPS persistently can be powered to the pump housing during anxious power-off, so as to ensure the fuel feeding of unit short time.However, top petrol tank needs to put Put in compressor top, it will volume and arrangement to compressor cause certain restriction, increased compressor overall structure Complexity;Requirement of the UPS emergency services device to waterproof and environment is higher, and in use with electricity attenuation problem, needs Periodic replacement, so as to cause the production cost of compressor higher.
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality With a kind of oil supply system for compressor of new proposition, the oil supply system simple structure, low cost, reliability are high, are being There is the emergency power off pump housing when being stopped in system, hydraulic energy storage device can provide motor coast to shutting down for bearing assembly Lubricating oil needed for journey axis bearing assembly, improves the reliability of bearing assembly work, reducing the abrasion of bearing assembly, extension bearing The service life of component.
The utility model also proposes a kind of compressor assembly with the above-mentioned oil supply system for compressor.
According to the oil supply system for compressor of the utility model first aspect embodiment, the compressor includes bearing Component, the bearing assembly has fuel feeding into the fuel feed hole inside the bearing assembly to be lubricated to the bearing assembly With for the oily spill port for flowing out inside bearing assembly, the oil supply system includes:Fuel tank, the fuel tank include fuel tank import and Fuel-tank outlet, the fuel tank import is suitable to be turned on the spill port;The pump housing, the pump housing includes inlet and liquid outlet, institute Fuel-tank outlet is stated to be turned on the inlet;Hydraulic energy storage device, the hydraulic energy storage device be suitable to be located at the liquid outlet with it is described Between fuel feed hole, the hydraulic energy storage device includes housing and piston, and accommodating chamber is limited in the housing, and the piston may move Be located in the accommodating chamber and the accommodating chamber be separated into first chamber and second chamber, the first chamber includes fuel feeding The opening of turnover, any two in the liquid outlet, the opening and the fuel feed hole is both turned on, and is set in the second chamber There is spring and the second chamber be adapted to communicate with pressure balance chamber,
When system is in normal power-up state, the pump housing normal work, the pressure value in the pressure balance chamber is small Pressure value at the liquid outlet,
When system is powered off suddenly, the pump housing is stopped, and the bearing assembly is described still in coasting state Pressure value in pressure balance chamber is equal to the pressure value at the liquid outlet.
According to the oil supply system for compressor of the utility model embodiment, set by between liquid outlet and fuel feed hole Hydraulic energy storage device is put, and the second chamber of hydraulic energy storage device connects pressure balance chamber, in pump housing normal work, hydraulic energy storage device In can store certain lubricating oil, system occur the emergency power off pump housing be stopped when, hydraulic energy storage device can for compression Lubricating oil needed for machine offer motor coast to stopping process axis bearing assembly, the reliability of raising bearing assembly work, Reduce the abrasion of bearing assembly, extend the service life of bearing assembly.In addition, by setting hydraulic accumulation energy in oil supply system Device so that the charge oil pressure of bearing assembly is more stablized, and the lubricant effect of bearing assembly is more preferable.The use of the utility model embodiment In the oil supply system of compressor, simple structure, low cost, operational reliability are high.
In addition, according to the oil supply system for compressor of the utility model embodiment, can also have following additional skill Art feature:
According to some embodiments of the present utility model, the pressure balance chamber is fuel tank inner chamber.
According to some embodiments of the present utility model, the oil supply system for compressor also includes check valve, described Check valve is connected between the liquid outlet and the hydraulic energy storage device and in the liquid outlet towards the hydraulic energy storage device One-way conduction on direction.
According to some embodiments of the present utility model, the first on-off valve is provided with the opening to control the opening and institute State the break-make between liquid outlet and control described opening and the break-make between the fuel feed hole.
According to some embodiments of the present utility model, the oil supply system for compressor also includes cooling device, institute State cooling device including fuel feeding turnover first cooling port and second cooling port, it is described first cooling port with it is described go out liquid The opening of mouth conducting, the second cooling port and the hydraulic energy storage device turns on.
According to some embodiments of the present utility model, the second break-make is provided between the liquid outlet and the first cooling port Valve with control the liquid outlet and it is described first cooling port between break-make.
According to some embodiments of the present utility model, filtering dress is provided between the hydraulic energy storage device and the fuel feed hole Put.
According to some embodiments of the present utility model, be provided between the filter and the fuel feed hole the 3rd on-off valve with Control the break-make between the filter and the fuel feed hole.
According to some embodiments of the present utility model, be provided between the spill port and the fuel tank import the 4th on-off valve with Control the break-make between the spill port and the fuel tank import.
According to the compressor assembly of the utility model second aspect embodiment, including:Compressor;For the fuel feeding of compressor System, the oil supply system for compressor is for compressor according to the above-mentioned first aspect embodiment of the utility model Oil supply system, the oil supply system is connected with the compressor.
According to the compressor assembly of the utility model embodiment, by setting according to the utility model first aspect embodiment The oil supply system for compressor so that compressor assembly work reliability it is higher, operation more stablize.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein:
Fig. 1 is the structural representation of the compressor assembly according to the utility model first embodiment;
Fig. 2 is the structural representation of the compressor according to the utility model second embodiment.
Reference:
Fuel tank 1;Fuel tank import 11;Fuel-tank outlet 12;
The pump housing 2;Inlet 21;Liquid outlet 22;
Hydraulic energy storage device 3;Housing 31;Accommodating chamber 311;First chamber 3111;Second chamber 3112;Piston 32;Opening 301;First opening 3011;Second opening 3012;Pressure balance mouth 302;Pressure-equalizing pipe 303;
Cooling device 4;First cooling port 41;Second cooling port 42;
Filter 5;
Check valve 6;First on-off valve 7;Second on-off valve 8;3rd on-off valve 9;4th on-off valve 10;
Compressor 100;Bearing assembly 101;Fuel feed hole 1011;Spill port 1012.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection;Can mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Can be two element internals connection or two interaction relationships of element.For one of ordinary skill in the art Speech, can as the case may be understand concrete meaning of the above-mentioned term in the utility model.
The oil supply system for compressor 100 according to the utility model first aspect embodiment is described below with reference to Fig. 1, Compressor 100 includes bearing assembly 101, and there is bearing assembly 101 fuel feeding to enter inside bearing assembly 101 with to bearing assembly 101 fuel feed holes 1011 being lubricated and the spill port 1012 for the oil outflow inside bearing assembly 101.Needing exist for explanation is Bearing assembly 101 can include bearing and axle.
As shown in figure 1, the oil supply system for compressor 100 according to the utility model embodiment includes:Fuel tank 1, pump Body 2 and hydraulic energy storage device 3.
Fuel tank 1 includes fuel tank import 11 and fuel-tank outlet 12, and fuel tank import 11 is suitable to be turned on spill port 1012, the pump housing 2 Including inlet 21 and liquid outlet 22, fuel-tank outlet 12 is turned on inlet 21, hydraulic energy storage device 3 be suitable to be located at liquid outlet 22 with Between fuel feed hole 1011, hydraulic energy storage device 3 includes limiting accommodating chamber 311 in housing 31 and piston 32, housing 31, and piston 32 can Movably it is located in accommodating chamber 311 and accommodating chamber 311 is separated into first chamber 3111 and second chamber 3112, first chamber 3111 openings 301 for including fuel feeding turnover, any two in liquid outlet 22, opening 301 and fuel feed hole 1011 is both turned on, also Said liquid mouthful 22 and opening 301 turned on, liquid outlet 22 and fuel feed hole 1011 were turned on, while be open 301 and fuel feed hole 1011 Spring is provided with conducting, second chamber 3112, one end and the piston 32 of spring are only supported, and the other end stops with the wall of second chamber 3112 Support, and spring is provided with and second chamber 3112 is adapted to communicate with pressure balance chamber in second chamber 3112, when system is in positive normal open During electricity condition, during 2 normal work of the pump housing, the pressure value in pressure balance chamber is less than the pressure value at liquid outlet 22, when system is prominent So during power-off, the pump housing 2 is stopped, and bearing assembly 101 is equal to still in coasting state, the pressure value in pressure balance chamber The pressure value of liquid outlet 22.
Explanation is needed exist for, lubricating oil is lubricated into compressor 100 is interior to bearing assembly 101, in lubricating oil Will doped portion gaseous coolant, " pressure value " described herein be the pressure of the gaseous refrigerant in oil supply system Value.
When system normal power supply, the normal work of the pump housing 2, the lubricating oil in fuel tank 1 is pressurizeed by the pump housing 2 and pumped out, and second Chamber 3112 connects pressure balance chamber, and now the pressure value in pressure balance chamber is less than the pressure value at liquid outlet 22, i.e., second , less than the pressure value at liquid outlet 22, a part for the lubricating oil for now being flowed out by liquid outlet 22 can for pressure value in chamber 3112 With by the way that opening 301 is into the first chamber 3111 of hydraulic energy storage device 3 and is stored in first chamber 3111, the lubrication of a part Oil is lubricated into bearing assembly 101 is interior by fuel feed hole 1011 to bearing assembly 101, and bearing assembly 101 is lubricated Lubricating oil afterwards is come back in fuel tank 1 by the outflow bearing assembly 101 of spill port 1012 and then by fuel tank import 11, So move in circles, lubricating oil is constantly lubricated to bearing assembly 101, while in the first chamber 3111 of hydraulic energy storage device 3 Continuous storage lubricating oil, the amount of the lubricant in first chamber 3111 gradually increases, and piston 32 is towards the direction of second chamber 3112 Mobile, the spring in second chamber 3112 is also gradually compressed, and spring-compressed will store certain compression energy or potential energy, and And the pressure towards the first chamber 3111 is produced to piston 32, and when the pressure of the both sides of piston 32 reaches balance, piston 32 Poised state is reached, now lubricating oil is filled with hydraulic energy storage device 3, the lubricating oil flowed out by liquid outlet 22 does not enter back into hydraulic pressure storage In energy device 3, fully enter bearing assembly 101 is lubricated in bearing assembly 101.
When system occurs emergency power off, the pump housing 2 is stopped, bearing assembly 101 still in coasting state, here Fuel feeding that can be by bearing assembly 101 in coasting state is divided into three phases:
First stage:The pump housing 2 is stopped moment, now by liquid outlet 22 to the pipe between hydraulic energy storage device 3 in system Pressure value reduction in road, be basically unchanged by the pressure value in hydraulic energy storage device 3 to the pipeline between fuel feed hole 1011 (still in High-pressure side), the pressure value in bearing assembly 101 to the pipeline between fuel tank 1 is also basically unchanged (still in low-pressure side), hydraulic pressure storage Lubricating oil in energy device 3 to the pipeline between fuel feed hole 1011 is entered in bearing assembly 101 to bearing group by fuel feed hole 1011 Part 101 is lubricated;
Second stage:With the carrying out of the fuel feeding of the first stage of bearing assembly 101, hydraulic energy storage device 3 to fuel feed hole The lubricating oil in pipeline between 1011 will reduce, and the pressure value in pipeline will also be reduced, now the of hydraulic energy storage device 3 Spring in two chambers 3112 will discharge compression energy or potential energy, now the lubrication in the first chamber 3111 of hydraulic energy storage device 3 During oil will discharge into system pipeline under the effect of the pressure of spring and pressure balance chamber, with to supplemental lubrication in system pipeline Oil, it is ensured that pressure value in hydraulic energy storage device 3 to the pipeline between fuel feed hole 1011 still greater than bearing assembly 101 to fuel tank 1 it Between pipeline in pressure value, so as to ensure the normal lubrication of bearing assembly 101;
Phase III:With the carrying out of the fuel feeding of the second stage of bearing assembly 101, the compression energy or potential energy of spring store Constantly reduce, and the pressure value in bearing assembly 101 constantly increases, simultaneously because the connection pressure balance chamber of second chamber 3112, Pressure value in pressure balance chamber is equal to the pressure value at liquid outlet 22, now the pressure value at liquid outlet 22 and the inner chamber of fuel tank 1 It is roughly equal with pressure value in bearing assembly 101, that is to say, that now the pressure value in pressure balance chamber be equal to fuel tank 1 or Pressure value in bearing assembly 101, the pressure value in pressure value and bearing assembly 101 in second chamber 3112 is synchronous increase , pressure value in second chamber 3112 can with the pressure value in equalizer bearing component 101, now the compression energy of spring store or Potential energy can continue release up to the compression energy or potential energy of spring are decreased to zero, and the process of compression energy or potential energy is discharged in spring In, piston 32 is constantly moved towards first chamber 3111, and the lubricating oil being stored in first chamber 3111 can be towards system pipes Sustained release in road, it is ensured that the continuous lubrication of bearing assembly 101.
It is contemplated that connecting pressure balance chamber by making second chamber 3112, pressure balance chamber can be with equalizer bearing group Pressure value in part 101, so that the lubricating oil of storage can be discharged completely in hydraulic energy storage device 3, it is ensured that bearing group Continuous lubrication of the part 101 during coasting, if being not provided with the pressure balance connected with second chamber 3112 in system Chamber, the fuel feeding of bearing assembly 101 only can proceed to second stage, when the pressure value in bearing assembly 101 is increased to a certain degree When, the energy of storage can not continue release, so as to cause the lubrication time of bearing assembly 101 shorter, axle in hydraulic energy storage device 3 The lubricant effect of bearing assembly 101 is poor.
In addition, during setting hydraulic energy storage device 3 can also adjust oil supply system between liquid outlet 22 and fuel feed hole 1011 Oil pressure.Specifically, when the oil pressure in system pipeline is larger, hydraulic energy storage device 3 will suck lubricating oil to reduce system pipeline In oil pressure, when the oil pressure in system pipeline is smaller, hydraulic energy storage device 3 will be to discharging lubricating oil increasing in system pipeline Oil pressure in system pipeline, the regulation by hydraulic energy storage device 3 to oil pressure in system pipeline so that the fuel feeding of bearing assembly 101 Pressure is more stablized, it is to avoid lubricants capacity is excessive or too small in bearing assembly 101, and the lubricant effect of bearing assembly 101 is more preferable.
According to the oil supply system for compressor 100 of the utility model embodiment, by liquid outlet 22 and fuel feed hole Hydraulic energy storage device 3 is set between 1011, and the second chamber 3112 of hydraulic energy storage device 3 connects pressure balance chamber, it is normal in the pump housing 2 During work, certain lubricating oil can be stored in hydraulic energy storage device 3, when the system generation emergency power off pump housing 2 is stopped, liquid Pressure accumulator 3 can be the lubricating oil needed for the offer motor coast to stopping process axis bearing assembly 101 of compressor 100, The reliability of the work of bearing assembly 101 is improved, reducing the abrasion of bearing assembly 101, the service life of extension bearing assembly 101. In addition, by setting hydraulic energy storage device 3 in oil supply system so that the charge oil pressure of bearing assembly 101 is more stablized, bearing group The lubricant effect of part 101 is more preferable.The oil supply system for compressor 100 of the utility model embodiment, simple structure, cost Low, operational reliability is high.
As Figure 1-Figure 2, hydraulic energy storage device 3 is provided with the pressure balance mouth 302 connected with second chamber 3112, pressure The pressure-equalizing pipe 303 for connecting pressure balance chamber is provided with balance port 302, by pressure-equalizing pipe 303 and pressure balance Chamber is connected and is capable of achieving the connection of pressure balance chamber and second chamber 3112, and connection is flexibly, conveniently.
In some embodiments of the present utility model, pressure balance chamber is the inner chamber of fuel tank 1, that is to say, that second chamber 3112 with the inner space of fuel tank 1, when system be in normal power-up state when, the normal work of the pump housing 2, the pressure value of the inner chamber of fuel tank 1 Less than the pressure value at liquid outlet 22, when system is powered off suddenly, the pump housing 2 is stopped, and bearing assembly 101 is transported still in inertia Turn state, the pressure value in the inner chamber of fuel tank 1 is equal to the pressure value at liquid outlet 22, and second chamber 3112 is balanced by fuel tank 1 Interior pressure, it is ensured that in 2 normal work of the pump housing, certain lubricating oil can be stored in hydraulic energy storage device 3, occurs tight in system When the anxious power-off pump housing 2 is stopped, hydraulic energy storage device 3 can be in offer motor coast to the stopping process of compressor 100 Lubricating oil needed for bearing assembly 101.Certainly, the application is not limited to this, and pressure balance chamber can also be the low pressure of compressor Chamber etc..
In other embodiments of the present utility model, when compressor application is in refrigeration system, refrigeration system includes head Compressor, evaporator, throttling arrangement and condenser that tail is sequentially connected, the second chamber 3112 of hydraulic energy storage device 3 can also be with Evaporator is connected, and pressure value in evaporator is roughly equal with pressure value in bearing assembly 101, and now can equally ensure ought During 2 normal work of the pump housing, the pressure value in second chamber 3112 is less than the pressure value at liquid outlet 22, when the pump housing 2 is stopped When, the pressure value in second chamber 3112 is equal to the pressure value at liquid outlet 22, and the connection of oil supply system is more diversified.
In one embodiment of the present utility model, as shown in figure 1, the opening 301 of first chamber 3111 can only be set One, the lubricant in system can enter first chamber 3111 by the opening 301, while the lubrication in first chamber 3111 Oil can also flow out first chamber 3111 by the opening 301, that is to say, that the opening 301 both can entering as lubricating oil Mouthful, it is also possible to used as the outlet of lubricating oil, the simple structure of hydraulic energy storage device 3 facilitates system to connect.
In another embodiment of the present utility model, as shown in Fig. 2 the opening 301 of first chamber 3111 can be set Multiple, such as two shown in Fig. 2, respectively first opening 3011 and second opening 3012, wherein, first opening 3011 with Liquid outlet 22 is connected, and the second opening 3012 connects with fuel feed hole 1011, and the lubricating oil in system is entered by the first opening 3011 In first chamber 3111, lubricating oil in first chamber 3111 can be by can be with the first opening 3011 and the second 3012 weights of opening New to flow into system, the structure design of hydraulic energy storage device 3 is more diversified, and system is connected more flexibly and conveniently.
In some embodiments of the present utility model, as shown in figure 1, oil supply system also includes check valve 6, check valve 6 connects It is connected between liquid outlet 22 and hydraulic energy storage device 3 and in liquid outlet 22 towards one-way conduction on the direction of hydraulic energy storage device 3, also It is to say, liquid outlet 22 and hydraulic energy storage device 3 are turned on by check valve 6, and system pipeline only can be in liquid outlet 22 towards hydraulic pressure The direction of accumulator 3 turns on, and hydraulic energy storage device 3 disconnects towards the direction of liquid outlet 22, so in system cut-off in hydraulic energy storage device 3 Outflow of lubrication oil hydraulic energy storage device 3 after will fully enter and bearing assembly 101 is lubricated in bearing assembly 101, Bu Huizai Return in fuel tank 1, so that in system cut-off, the lubricant effect of bearing assembly 101 is more preferable.
In some embodiments of the present utility model, as shown in figure 1, first is provided with the opening 301 of hydraulic energy storage device 3 leading to Valve 7 break to control the break-make between opening 301 and liquid outlet 22 and the break-make between control opening 301 and fuel feed hole 1011, so that The maintenance of system can be facilitated.Specifically, when the systems are operating normally, the first on-off valve 7 is opened, now hydraulic energy storage device 3 Opening 301 turned on liquid outlet 22, while the opening 301 of hydraulic energy storage device 3 turns on fuel feed hole 1011;When system occurs event Barrier is needed to change or during purging system device, and the first on-off valve 7 is closed, now the opening 301 of hydraulic energy storage device 3 with go out Liquid mouthfuls 22 disconnects, while the opening 301 of hydraulic energy storage device 3 disconnects with fuel feed hole 1011, the now lubricating oil in hydraulic energy storage device 3 System pipeline cannot be flowed into, the lubricating oil in system pipeline also cannot be introduced into hydraulic energy storage device 3, such that it is able to facilitate system Maintenance.Alternatively, the first on-off valve 7 can be stop valve, low cost high using reliability.
In some embodiments of the present utility model, as shown in figure 1, for compressor 100 oil supply system also include it is cold But device 4, cooling device 4 includes the first cooling port 41 and second cooling port 42 of fuel feeding turnover, the first cooling port 41 Turned on liquid outlet 22, the second cooling port 42 turns on the opening 301 of hydraulic energy storage device 3.By in liquid outlet 22 and hydraulic pressure Cooling device 4 is set between the opening 301 of accumulator 3, and the lubricating oil pumped out by the pump housing 2 is introduced into cooling device 4 through supercooling Afterwards, enter back into and stored in hydraulic energy storage device 3 and be lubricated with to bearing assembly 101 into bearing assembly 101 is interior, cool Lubricating oil afterwards while being lubricated to bearing assembly 101, its effect that cooling is also acted as to bearing assembly 101, it is to avoid Temperature is too high and burn out bearing shell when bearing assembly 101 works long hours, such that it is able to further improve the work of bearing assembly 101 Reliability and service life.
Further, as shown in figure 1, being provided with the second on-off valve 8 to control out between the cooling of liquid outlet 22 and first port 41 Break-make between the cooling port 41 of liquid mouthful 22 and first, such that it is able to facilitate the maintenance of system.Specifically, system worked well is worked as When, the second on-off valve 8 is opened, and liquid outlet 22 is turned on the first cooling port 41;When system jam or need change or During purging system device, the second on-off valve 8 is closed, liquid outlet 22 disconnects with the first cooling port 41, is such that it is able to convenient The maintenance of system.Alternatively, the second on-off valve 8 can be stop valve, low cost high using reliability.
In some embodiments of the present utility model, as shown in figure 1, being provided between hydraulic energy storage device 3 and fuel feed hole 1011 Filter 5, the lubricating oil in system pipeline is entered back into bearing assembly 101 to axle after first passing through the filtering of filter 5 Bearing assembly 101 is lubricated, and can so avoid being mixed into impurity and bearing assembly 101 being caused to damage in bearing assembly 101, from And further improve the reliability of operation of bearing assembly 101 and service life.
Preferably, as shown in figure 1, the 3rd on-off valve 9 can be provided between filter 5 and fuel feed hole 1011 to control filtering Break-make between device 5 and fuel feed hole 1011, such that it is able to facilitate the maintenance of system.Specifically, when the systems are operating normally, the 3rd On-off valve 9 is opened, and filter 5 is turned on fuel feed hole 1011;When system jam or needs are changed or purging system dress When putting, the 3rd on-off valve 9 is closed, filter 5 disconnects with fuel feed hole 1011, such that it is able to facilitate the maintenance of system.It is optional Ground, the 3rd on-off valve 9 can be stop valve, low cost high using reliability.
In some embodiments of the present utility model, as shown in figure 1, can be provided between spill port 1012 and fuel tank import 11 4th on-off valve 10 is controlling the break-make between spill port 1012 and fuel tank import 11.Specifically, when the systems are operating normally, the 4th On-off valve 10 is opened, and spill port 1012 and fuel tank import 11 are turned on;When system jam or needs are changed or purging system During device, the 4th on-off valve 10 is closed, spill port 1012 and fuel tank import 11 disconnect, such that it is able to facilitate the maintenance of system. Alternatively, the 4th on-off valve 10 can be stop valve, low cost high using reliability.
The component of compressor 100 according to the utility model second aspect embodiment, including compressor 100 and according to this practicality The oil supply system for compressor 100 of new above-mentioned first aspect embodiment, oil supply system is connected with compressor 100.Compression Machine 100 can be centrifugal compressor, and certain the application is not limited to this.
Specifically, compressor 100 includes bearing assembly 101, and there is bearing assembly 101 fuel feeding to enter in bearing assembly 101 The spill port 1012 that portion is flowed out with the fuel feed hole 1011 being lubricated to bearing assembly 101 and the oil supplied inside bearing assembly 101, Fuel tank import 11 is turned on spill port 1012, and fuel-tank outlet 12 is turned on inlet 21, hydraulic energy storage device 3 be located at liquid outlet 22 with Between fuel feed hole 1011, any two in liquid outlet 22, opening 301 and fuel feed hole 1011 is both turned on.
The component of compressor 100 according to the utility model embodiment, by setting according to the above-mentioned first party of the utility model The oil supply system for compressor 100 of face embodiment so that the reliability of the component operation of compressor 100 is higher, operation is more Stabilization.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or Person's feature can in an appropriate manner be combined in one or more any embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that: In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments And modification, scope of the present utility model limits by claim and its equivalent.

Claims (10)

1. a kind of oil supply system for compressor, it is characterised in that the compressor includes bearing assembly, the bearing assembly With fuel feeding into inside the bearing assembly with the fuel feed hole that is lubricated to the bearing assembly and for inside bearing assembly Oil outflow spill port, the oil supply system includes:
Fuel tank, the fuel tank includes fuel tank import and fuel-tank outlet, and the fuel tank import is suitable to be turned on the spill port;
The pump housing, the pump housing includes inlet and liquid outlet, and the fuel-tank outlet is turned on the inlet;
Hydraulic energy storage device, the hydraulic energy storage device is suitable to be located between the liquid outlet and the fuel feed hole, the hydraulic accumulation energy Device includes housing and piston, and accommodating chamber is limited in the housing, and the piston is movably arranged in the accommodating chamber and will The accommodating chamber is separated into first chamber and second chamber, and the first chamber includes the opening of fuel feeding turnover, the liquid outlet, Any two in the opening and the fuel feed hole is both turned on, and spring is provided with the second chamber and the second chamber is suitable In connection pressure balance chamber,
When system is in normal power-up state, the pump housing normal work, the pressure value in the pressure balance chamber is less than institute The pressure value at liquid outlet is stated,
When system is powered off suddenly, the pump housing is stopped, and the bearing assembly is still in coasting state, the pressure Pressure value in counter balance pocket is equal to the pressure value at the liquid outlet.
2. the oil supply system for compressor according to claim 1, it is characterised in that the pressure balance chamber is fuel tank Inner chamber.
3. the oil supply system for compressor according to claim 1, it is characterised in that also including check valve, the list It is connected between the liquid outlet and the hydraulic energy storage device and in the liquid outlet towards the side of the hydraulic energy storage device to valve Upward one-way conduction.
4. the oil supply system for compressor according to any one of claim 1-3, it is characterised in that at the opening The first on-off valve is provided with to control the break-make and the control opening and the fuel feed hole between the opening and the liquid outlet Between break-make.
5. the oil supply system for compressor according to claim 1, it is characterised in that described also including cooling device Cooling device includes the first cooling port of fuel feeding turnover and the second cooling port, the first cooling port and the liquid outlet Conducting, the second cooling port turns on the opening of the hydraulic energy storage device.
6. the oil supply system for compressor according to claim 5, it is characterised in that the liquid outlet and described first The second on-off valve is provided between cooling port to control the break-make between the liquid outlet and the first cooling port.
7. the oil supply system for compressor according to claim 1, it is characterised in that the hydraulic energy storage device with it is described Filter is provided between fuel feed hole.
8. the oil supply system for compressor according to claim 7, it is characterised in that the filter and it is described enter The 3rd on-off valve is provided between oilhole to control the break-make between the filter and the fuel feed hole.
9. the oil supply system for compressor according to claim 1, it is characterised in that the spill port and the fuel tank The 4th on-off valve is provided between import to control the break-make between the spill port and the fuel tank import.
10. a kind of compressor assembly, it is characterised in that including:
Compressor;
The oil supply system for compressor according to any one of claim 1-9, the oil supply system and the compression Machine is connected.
CN201621402453.8U 2016-12-20 2016-12-20 Oil supply system for compressor and the compressor assembly with it Active CN206290410U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109307141A (en) * 2018-12-12 2019-02-05 珠海格力电器股份有限公司 Liquid storage tank and oil supply system
CN111140467A (en) * 2020-01-14 2020-05-12 福建启盛实验设备科技有限公司 Cold platform operating system of central authorities' section
CN115853744A (en) * 2023-01-30 2023-03-28 龙口隆基三泵有限公司 Self-lubricating air compressor for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109307141A (en) * 2018-12-12 2019-02-05 珠海格力电器股份有限公司 Liquid storage tank and oil supply system
CN111140467A (en) * 2020-01-14 2020-05-12 福建启盛实验设备科技有限公司 Cold platform operating system of central authorities' section
CN115853744A (en) * 2023-01-30 2023-03-28 龙口隆基三泵有限公司 Self-lubricating air compressor for vehicle

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