CN109162967A - Bearing cooler, compressor and bearing cooling control method - Google Patents
Bearing cooler, compressor and bearing cooling control method Download PDFInfo
- Publication number
- CN109162967A CN109162967A CN201811313089.1A CN201811313089A CN109162967A CN 109162967 A CN109162967 A CN 109162967A CN 201811313089 A CN201811313089 A CN 201811313089A CN 109162967 A CN109162967 A CN 109162967A
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- Prior art keywords
- liquid storage
- bearing
- pressure
- storage chamber
- liquid level
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 168
- 238000003860 storage Methods 0.000 claims abstract description 84
- 239000003507 refrigerant Substances 0.000 claims abstract description 49
- 239000002826 coolant Substances 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of bearing cooler, compressor and bearing cooling control methods.Bearing cooler includes with the bypass passageways and regulating device for storing the liquid storage chamber liquid storage shell of refrigerant, being connected to liquid storage chamber and be used to export gaseous coolant, regulating device includes the on-off control piece for detecting the pressure sensor of the pressure in liquid storage chamber He being set in bypass passageways, the on-off for the pressure control bypass passageways that on-off control piece is measured according to pressure sensor.Bearing cooler of the invention controls the on-off of bypass passageways according to the pressure in liquid storage chamber by the way that the bypass passageways for exporting gaseous coolant are arranged and on-off control piece is arranged, therefore it can control the on-off of bypass passageways when the actual pressure in liquid storage chamber does not meet setting pressure limit to control whether gaseous coolant exports to adjust the pressure in liquid storage chamber in real time, and then guarantee that enough refrigerants cool down bearing to improve the use reliability of bearing.
Description
Technical field
The present invention relates to bearing cooling technology field, in particular to a kind of bearing cooler, compressor and bearing are cold
But control method.
Background technique
Bearing can generate heat in machine running process, and generally use in the prior art lubricating oil come to bearing carry out it is cold
But.For centrifugal compressor, the type of High cooling power heavy-duty low-speed generally uses sliding bearing, the machine of small cooling capacity underloading high speed
Type generally uses rolling bearing, and in comparison, the calorific value of rolling bearing is lower than sliding bearing.
In the related art, cooling medium of the refrigerant as bearing can be used for the centrifugal compressor of underloading.Such as Fig. 1
With shown in Fig. 2, which includes seal cover board 1a, gasket seal 2a, seal plug 3a, shell 4a and fastening screw
5a.Shell 4a and seal cover board 1a forms liquid storage chamber.Refrigerant inlet LI is provided on the upside of liquid storage chamber, downside is provided with refrigerant and goes out
Mouth LO.A certain amount of liquid refrigerants is inputted by refrigerant inlet LI in actual use, liquid refrigerants is from refrigerant exit LO
It is output on bearing to be cooled down to bearing.In order to guarantee shaft bearing in running down have enough lubrications and it is cooling to avoid
Burn-out of bearing and cause unit catastrophe failure occur, need to guarantee to have in liquid storage chamber the liquid refrigerants of certain liquid level while guaranteeing one
Fixed fuel feeding pressure difference.It is easier to gasify since refrigerant is heated, when there are many vaporizing refrigerant in liquid storage chamber, since intracavitary volume is
Certain, intracavitary liquid refrigerants can become seldom, and pressure also will increase, and be will lead at this time for carrying out cooling liquid to bearing
State cold medium shortage, and can reduce for hydraulic pressure difference and the flow resistance of liquid refrigerants is caused to increase and mobility variation.When above-mentioned
When situation is more serious, vaporizing refrigerant is very more, when liquid storage cavity pressure is increased to close to liquid supply pressure, may result in refrigerant
Also the phenomenon that will appear burn-out of bearing, is cannot be introduced into bearing.
Summary of the invention
The purpose of the present invention is to provide the cooling control method of a kind of bearing cooler, compressor and bearing, with
Improve the use reliability of bearing.
First aspect present invention provides a kind of bearing cooler, comprising:
Liquid storage shell has the liquid storage chamber for storing refrigerant；
Bypass passageways are connected to and for exporting gaseous coolant with liquid storage chamber；With
Regulating device including the pressure sensor for detecting the pressure in liquid storage chamber and is set to logical in bypass passageways
Disconnected control piece, the on-off for the pressure control bypass passageways that on-off control piece is measured according to pressure sensor.
In some embodiments, regulating device further includes liquid level sensor, and on-off control piece is measured according to pressure sensor
Pressure and the on-off of refrigerant Liquid level bypass passageways that measures of liquid level sensor.
In some embodiments, liquid level sensor height-adjustablely is arranged.
In some embodiments, on-off control piece includes electric expansion valve, and regulating device further includes being set to pressure sensing
Feedback control circuit between device and electric expansion valve.
In some embodiments, bearing cooler includes the cock body being inserted on liquid storage shell, and cock body has and liquid storage
The cock body channel of chamber connection, cock body channel form at least part of bypass passageways.
In some embodiments, bearing cooler includes bypass pipe, the inner cavity of bypass pipe be connected to cock body channel and with
Bypass passageways are collectively formed in cock body channel.
In some embodiments, regulating device further includes the liquid level sensor for being set to the end of cock body, cock body relative to
The insertion depth of liquid storage shell is adjustably arranged to adjust the height of liquid level sensor.
In some embodiments, cock body is threadedly engaged with liquid storage shell.
In some embodiments, the cross sectional shape of liquid storage chamber is round or rectangular.
Second aspect of the present invention provides a kind of compressor, and the bearing provided including any one of such as first aspect present invention is cooling
Device.
Third aspect present invention provides a kind of axis of bearing cooler provided using any one of first aspect present invention
Cooling control method is held, is included the following steps:
Judge whether the actual pressure in liquid storage chamber is lower than setting pressure limit；
If actual pressure controls bypass passageways and disconnects lower than setting pressure limit, on-off control piece；If actual pressure is higher than
Pressure limit is set, on-off control piece controls bypass passageways connection.
In some embodiments, if bearing cooling control method further includes actual pressure when setting pressure limit,
Judge whether the actual liquid level in liquid storage chamber is lower than setting minimum liquid level；
If actual liquid level controls bypass passageways connection lower than setting minimum liquid level with output gas refrigerant；If practical liquid
Position then controls bypass passageways disconnection not less than setting minimum liquid level.
Based on technical solution provided by the invention, bypass of the bearing cooler by setting for exporting gaseous coolant is logical
Road and on-off control piece is set to control the on-off of bypass passageways, therefore the reality in liquid storage chamber according to the pressure in liquid storage chamber
Border pressure can control the on-off of bypass passageways when not meeting setting pressure limit to control whether gaseous coolant exports to right
Pressure in liquid storage chamber is adjusted in real time, and then guaranteeing that enough refrigerants cools down bearing can to improve the use of bearing
By property.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the positive structure diagram of the bearing cooler of the relevant technologies；
Fig. 2 is the A-A schematic cross-sectional view of bearing cooler shown in FIG. 1；
Fig. 3 is the positive structure diagram of the bearing cooler of the embodiment of the present invention；
Fig. 4 is the A-A schematic cross-sectional view of bearing cooler shown in Fig. 3；
Fig. 5 and Fig. 6 is structural schematic diagram of the bearing cooler shown in Fig. 3 when in two kinds of different liquid levels；
Fig. 7 is the positive structure diagram of the bearing cooler of another embodiment of the present invention.
Each appended drawing reference respectively represents:
1a, seal cover board；2a, gasket seal；3a, seal plug；4a, shell；5a, fastening screw；
1, electric expansion valve；2, bypass pipe；3, cover board；4, gasket seal；5, cock body；6, seal washer；7, O shape is sealed
Circle；8, pressure sensor；9, liquid level sensor；10, seal plug；11, liquid storage shell；12, feedback control circuit；13, it fastens
Screw；LI, liquid refrigerants import；LO, liquid refrigerants outlet；GO, gaseous coolant outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
As shown in Figure 3 and Figure 4, the bearing cooler of the embodiment of the present invention includes:
Liquid storage shell 11 has the liquid storage chamber Q for storing refrigerant；
Bypass passageways are connected to and for exporting gaseous coolant with liquid storage chamber Q；With
Regulating device including the pressure sensor 8 for detecting the pressure in liquid storage chamber Q and is set in bypass passageways
On-off control piece, the on-off for the pressure control bypass passageways that on-off control piece is measured according to pressure sensor 8.
The bearing cooler of the present embodiment is by setting for exporting bypass passageways and the setting on-off control of gaseous coolant
Product controls the on-off of bypass passageways according to the pressure in liquid storage chamber, therefore the actual pressure in liquid storage chamber does not meet and sets
The on-off of bypass passageways be can control when constant-pressure range to control whether gaseous coolant exports to the pressure in liquid storage chamber
It is adjusted in real time, and then guarantees that enough refrigerants cool down bearing to improve the use reliability of bearing.
It is described in detail below according to structure of the Fig. 3 to Fig. 6 to the bearing cooler of a specific embodiment of the invention.
As shown in Figure 3 and Figure 4, the bearing cooler of the present embodiment include have liquid storage chamber Q liquid storage shell 11 and
Cover board 3, gasket seal 4 and seal plug 10 for being sealed to liquid storage chamber Q.Cover board 3 passes through fastening screw 13 and liquid storage
Shell 11 is fixedly connected to fasten and form liquid storage chamber.It is provided between the cover board 3 of the present embodiment and the side end face of liquid storage shell 11
The top of gasket seal 4 and liquid storage shell 11 is additionally provided with seal plug 10 to guarantee the leakproofness of the liquid storage chamber Q of the present embodiment.
As shown in figure 4, there is the liquid storage chamber of the present embodiment liquid refrigerants entrance LI and liquid refrigerants to export LO.Liquid refrigerants
From liquid refrigerants entrance LI be input to liquid storage chamber after from liquid refrigerants outlet LO flow out into bearing to bearing carry out it is cold
But it lubricates.Due to bearing clearance very little, certain throttling action is played to the flowing of refrigerant, that is to say, that bearing exists
Certain resistance is applied to make liquid refrigerants be filled liquid storage chamber to refrigerant flowing at liquid refrigerants outlet LO.To liquid storage
Intracavitary refrigerant reaches equilibrium state after rising to certain liquid level.
In order to guarantee there are enough liquid refrigerants in liquid storage chamber, the liquid level to the liquid refrigerants in liquid storage chamber is needed to survey
Amount, the regulating device of the present embodiment further includes liquid level sensor 9, which is set at setting minimum liquid level.Such as figure
Shown in 5, when the actual liquid level H1 of liquid refrigerants is lower than setting minimum liquid level H2, liquid level sensor 9 can't detect liquid refrigerants,
Control bypass passageways are connected to so that gaseous coolant is equivalent to along bypass passageways outflow and carries out release to liquid storage chamber Q, to make at this time
The liquid refrigerants inputted from liquid refrigerants entrance LI, which constantly fills liquid storage chamber Q, rises its liquid level constantly.As shown in fig. 6, working as liquid
When the actual liquid level H1 of state refrigerant is more than setting minimum liquid level H2, liquid level sensor 9 can detect liquid refrigerants at this time, illustrate this
When do not needed to adjust the pressure in liquid storage chamber Q again, therefore control bypass passageways disconnect to prevent gaseous coolant from flowing out.
It, may be since the liquid level of liquid refrigerants be just near liquid level sensor 9 during above-mentioned adjusting pressure
It fluctuates and makes detection inaccuracy and cause bypass passageways Lifetime too long, then the pressure in liquid storage chamber Q will be let out at this time
It is too fast.Therefore too fast in order to avoid there is liquid storage cavity pressure release, the bearing cooler of the present embodiment further includes that pressure passes
Sensor 8, the pressure sensor 8 are used to detect the pressure in liquid storage chamber.When pressure sensor 8 detects that pressure is unsatisfactory for requiring
When, pressure sensor 8 can issue mandatory order to disconnect bypass passageways, only after pressure sensor rises to suitable value,
Pressure sensor 8 can just stop issuing mandatory order so that the liquid level that bearing cooler is measured according to above-mentioned liquid level sensor 9
Bypass passageways are controlled.That is, the control that the control priority of pressure sensor 8 is higher than liquid level sensor 9 is excellent
First grade.
Specifically in the present embodiment, as shown in figure 4, the bearing cooler of the present embodiment further includes being inserted in liquid storage shell
On cock body 5, cock body 5 has the cock body channel that be connected to liquid storage chamber, at least part of cock body channel formation bypass passageways.
Specifically, bearing cooler further includes bypass pipe 2, and the inner cavity of bypass pipe 2 is connected to cock body channel and and cock body
Bypass passageways are collectively formed in channel.The port of bypass pipe 2 forms gaseous coolant outlet GO.
In order to which the on-off to bypass passageways controls, the control device of the present embodiment includes being set on bypass pipe 2
On-off control piece, the pressure that the refrigerant liquid level and/or pressure sensor 8 that on-off control piece is measured according to liquid level sensor 9 measure
Can on-off it be arranged to control the on-off of bypass passageways.
Preferably, the on-off control piece of the present embodiment includes electric expansion valve 1.Control device further includes being set to liquid level biography
Feedback control circuit 12 between sensor 9 and/or pressure sensor 8 and electric expansion valve 1.Liquid level sensor 9 or pressure sensing
Device 8 can directly control opening or closing for electric expansion valve 1 by feedback control loop 12.
For the operating condition of different compressor and unit, liquid refrigerants in the liquid storage chamber of bearing cooler
Setting minimum liquid level is different.In order to improve the present embodiment bearing cooler the scope of application, the bearing of the present embodiment
The liquid level sensor 9 of cooling device is arranged height-adjustablely.
The liquid level sensor 9 of the present embodiment is set to the end of cock body 5.Insertion depth of the cock body 5 relative to liquid storage shell
Adjustably it is arranged to change the height of liquid level sensor 9.
As shown in figure 4, the cock body 5 of the present embodiment is threadedly engaged with liquid storage shell 11, by adjusting cock body 5 and liquid storage shell
The depth of thread cooperated between 11 adjusts insertion depth of the cock body 5 relative to liquid storage shell 11.
Specifically, in order to guarantee the leakproofness cooperated between cock body 5 and liquid storage shell 11, the present embodiment of the present embodiment
Seal washer 6 is provided between cock body 5 and liquid storage shell 11.The height of liquid level sensor 9 can be by adjusting seal washer 6
Thickness is adjusted.
Sealing O-ring 7 is additionally provided between the cock body 5 of the present embodiment and the upper surface of liquid storage shell.
The cross sectional shape of the liquid storage chamber Q of the present embodiment is circle.
As shown in fig. 7, in another embodiment, in order to improve the liquid storage amount of liquid storage chamber, the cross sectional shape of liquid storage chamber is side
Shape.
The present embodiment also provides a kind of compressor, the bearing cooler including above embodiments.In the cooling dress of the bearing
It, can be directly using the refrigerant of compressor itself come cooling bearing when setting the bearing for cooling down compressor.
Specifically, compressor can be centrifugal compressor.
The bearing cooling control method of the bearing cooler of the present embodiment, includes the following steps:
Judge whether the actual pressure in liquid storage chamber Q is lower than setting pressure limit；
If actual pressure controls bypass passageways and disconnects lower than setting pressure limit, on-off control piece；If actual pressure is higher than
Pressure limit is set, on-off control piece controls bypass passageways connection.
Preferably, bearing cooling control method further includes setting in pressure limit in the actual pressure in liquid storage chamber Q
When,
Judge whether the actual liquid level in liquid storage chamber is lower than setting minimum liquid level；
If actual liquid level controls bypass passageways connection lower than setting minimum liquid level with output gas refrigerant；If practical liquid
Position then controls bypass passageways disconnection not less than setting minimum liquid level.
Control priority to the pressure in liquid storage chamber is set above liquid level by the bearing cooling method of the present embodiment
Control priority is conducive to prevent liquid storage chamber release excessive.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (12)
1. a kind of bearing cooler characterized by comprising
Liquid storage shell (11) has the liquid storage chamber (Q) for storing refrigerant；
Bypass passageways are connected to and for exporting gaseous coolant with the liquid storage chamber (Q)；With
Regulating device including the pressure sensor (8) for detecting the pressure in the liquid storage chamber (Q) and is set to the bypass
On-off control piece on channel, the on-off control piece control the bypass according to the pressure that the pressure sensor (8) measures
The on-off in channel.
2. bearing cooler according to claim 1, which is characterized in that the regulating device further includes liquid level sensor
(9), the pressure and the liquid level sensor (9) that the on-off control piece is measured according to the pressure sensor (8) measure cold
The on-off of bypass passageways described in matchmaker's Liquid level.
3. bearing cooler according to claim 2, which is characterized in that the height of the liquid level sensor (9) is adjustable
Save land setting.
4. bearing cooler according to claim 1, which is characterized in that the on-off control piece includes electric expansion valve
(1), the regulating device further includes the feedback control being set between the pressure sensor (8) and the electric expansion valve (1)
Route (12) processed.
5. bearing cooler according to claim 1, which is characterized in that the bearing cooler includes being inserted in institute
The cock body (5) on liquid storage shell (11) is stated, the cock body (5) has the cock body channel being connected to the liquid storage chamber (Q), the plug
Body channel forms at least part of the bypass passageways.
6. bearing cooler according to claim 5, which is characterized in that the bearing cooler includes bypass pipe
(2), the inner cavity of the bypass pipe (2) is connected to the cock body channel and the bypass is collectively formed with the cock body channel and leads to
Road.
7. bearing cooler according to claim 5, which is characterized in that the regulating device further include be set to it is described
The liquid level sensor (9) of the end of cock body (5), the cock body (5) are adjustable relative to the insertion depth of the liquid storage shell (11)
Setting save land to adjust the height of the liquid level sensor (9).
8. bearing cooler according to claim 7, which is characterized in that the cock body (5) and the liquid storage shell
(11) it is threadedly engaged.
9. bearing cooler according to claim 1, which is characterized in that the cross sectional shape of the liquid storage chamber (Q) is circle
Shape is rectangular.
10. a kind of compressor, which is characterized in that including bearing cooler as claimed in any one of claims 1-9 wherein.
11. a kind of bearing cooling control method using bearing cooler as claimed in any one of claims 1-9 wherein,
It is characterized in that, includes the following steps:
Judge whether the actual pressure in the liquid storage chamber is lower than setting pressure limit；
If the actual pressure is lower than the setting pressure limit, the on-off control piece controls the bypass passageways and disconnects；If
The actual pressure is higher than the setting pressure limit, and the on-off control piece controls the bypass passageways connection.
12. bearing cooling control method according to claim 11, which is characterized in that the bearing cooling control method is also
If including the actual pressure in the setting pressure limit,
Judge whether the actual liquid level in the liquid storage chamber is lower than setting minimum liquid level；
If the actual liquid level is lower than the setting minimum liquid level, the bypass passageways connection is controlled with output gas refrigerant；
If the actual liquid level is not less than the setting minimum liquid level, controls the bypass passageways and disconnect.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313089.1A CN109162967B (en) | 2018-11-06 | 2018-11-06 | Bearing cooling device, compressor, and bearing cooling control method |
| PCT/CN2018/121132 WO2020093521A1 (en) | 2018-11-06 | 2018-12-14 | Bearing cooling device, compressor, and bearing cooling control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313089.1A CN109162967B (en) | 2018-11-06 | 2018-11-06 | Bearing cooling device, compressor, and bearing cooling control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109162967A true CN109162967A (en) | 2019-01-08 |
| CN109162967B CN109162967B (en) | 2024-01-02 |
Family
ID=64875812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313089.1A Active CN109162967B (en) | 2018-11-06 | 2018-11-06 | Bearing cooling device, compressor, and bearing cooling control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109162967B (en) |
| WO (1) | WO2020093521A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090588A (en) * | 2020-01-09 | 2021-07-09 | 珠海格力电器股份有限公司 | Compressor, refrigerating system and bearing cavity liquid level adjusting method of compressor |
| CN113090554A (en) * | 2020-01-09 | 2021-07-09 | 珠海格力电器股份有限公司 | Compressor and refrigerant circulation system |
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| WO2020093521A1 (en) | 2020-05-14 |
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