CN105465035B - Air conditioner and its centrifugal compressor - Google Patents
Air conditioner and its centrifugal compressor Download PDFInfo
- Publication number
- CN105465035B CN105465035B CN201610014752.2A CN201610014752A CN105465035B CN 105465035 B CN105465035 B CN 105465035B CN 201610014752 A CN201610014752 A CN 201610014752A CN 105465035 B CN105465035 B CN 105465035B
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- China
- Prior art keywords
- oil
- box
- gear
- top petrol
- centrifugal compressor
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Classifications
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- 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
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
Abstract
The invention discloses a kind of air conditioner and its centrifugal compressors, centrifugal compressor includes gear-box, main fuel tank, top petrol tank and bearing, and the main fuel tank, top petrol tank and bearing are arranged inside gear-box, the oil outlet of the main fuel tank is connected to by the first oil feed line with the oil inlet of the top petrol tank, oil pump, oil cooler and filter are serially connected on first oil feed line, and one in the oil cooler and filter is arranged inside the gear-box.Oil cooler or filter are arranged inside gear-box, and then the inside of gear-box is arranged in the pipeline of oil cooler or filter, enormously simplifies the pipeline outside gear-box, simplifies the oil circuit outside gear-box, so that entire unit appearance is more succinct.
Description
Technical field
The present invention relates to air conditioner technical fields, more specifically to a kind of air conditioner and its centrifugal compressor.
Background technique
Centrifugal compressor belongs to blade rotary compressor, and in centrifugal compressor, high-speed rotating impeller is given
The centrifugal force of gas acts on, and the diffusion action of gas is given in diffusion channel, is improved gas pressure etc..Centrifugation
Include rotor and gear-box 02 etc. in the structure design of formula compressor, the impeller of rotor, bearing 08, axis and is provided for bearing 08
Main fuel tank 07 of lubricating oil etc. is arranged inside gear-box 02.
In unexpected power-off, rotor will be remained in operation a period of time, due to effect of inertia due at this time centrifugal compressor
Centrifugal compressor has powered off, oil pump 06 can not be two ends of rotor 08 fuel feeding of bearing, so it will cause bearing 08 because
There is no lubricating oil to take away heat in time and lead to that temperature is excessively high to burn bearing, serious damage is caused to centrifugal compressor.For
Above situation is avoided the occurrence of, generally can increase top petrol tank 01 in 02 inside top of gear-box of centrifugal compressor, run
The moment lays in certain oil mass in top petrol tank 01 in journey, the lubricating oil in top petrol tank 01 can be allowed to exist in unexpected power-off
It is bearing feed lubrication under gravity.
Wherein, the oil inlet of top petrol tank 01 is connected to the oil outlet of main fuel tank 07, and oil pump is provided on connecting pipeline
06, for the cleanliness for guaranteeing lubricating oil, oil cooler 05 and filter 04 are installed generally between oil pump 06 and top petrol tank 01.
As shown in Figure 1, oil cooler 05 and filter 04 are typically mounted at the outside of gear-box 02 in the prior art, so pacify
Dress is very convenient to, it is only necessary to which replacement can be completed in the two sides valve 03 for shutting down closing oil cooler 05 and filter 04, but will
Filter and oil cooler are placed on outside gear-box, and the oil circuit that will cause outside gear-box 02 is more complicated, the more multipair entire machine of pipeline
The appearance effects of group are larger.
It is that current those skilled in the art are urgently to be solved in conclusion how effectively to simplify the oil circuit outside gear-box
Problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of centrifugal compressor, the centrifugal compressor
Structure design can effectively simplify the oil circuit outside gear-box, include above-mentioned centrifugation a second object of the present invention is to provide one kind
The air conditioner of formula compressor.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of centrifugal compressor, including gear-box, main fuel tank, top petrol tank and bearing, and the main fuel tank, high-order oil
Case and bearing are arranged inside gear-box, and the oil outlet of the main fuel tank passes through the first oil feed line and the top petrol tank
Oil inlet is connected to, and is serially connected with oil pump, oil cooler and filter on first oil feed line, and in the oil cooler and filter
One be arranged inside the gear-box.
Preferably, in above-mentioned centrifugal compressor, only the filter is arranged inside the gear-box.
Preferably, in above-mentioned centrifugal compressor, the filter is arranged inside the top petrol tank, and it will be described
The oil inlet and oil outlet of top petrol tank separate.
Preferably, it in above-mentioned centrifugal compressor, is flowed to by the main fuel tank to top petrol tank, first fuel feed pump
Road is sequentially connected in series oil pump, oil cooler and filter, and is provided with valve between the oil pump and oil cooler.
Preferably, in above-mentioned centrifugal compressor, the oil outlet of the top petrol tank passes through the second oil feed line and bearing
The connection of oily channel, and be provided with valve on second oil feed line.
Preferably, in above-mentioned centrifugal compressor, the top in the gear-box, the height is arranged in the top petrol tank
The oil outlet of position fuel tank is arranged in its bottom.
Preferably, in above-mentioned centrifugal compressor, the oil cooler is plate heat exchanger, and it is fixed on the gear-box
Outer wall on.
A kind of air conditioner, including the centrifugal compressor as described in any one of above-mentioned.
Centrifugal compressor provided by the invention includes gear-box, main fuel tank, top petrol tank and bearing, and main fuel tank,
Top petrol tank and bearing are arranged inside gear-box, and the position of top petrol tank should be higher than the position of bearing, centrifugal compressor
Lubricating oil when machine powers off suddenly in top petrol tank due to gravity to bearing for lubricating oil.Focus on, main fuel tank goes out
Hydraulic fluid port is connected to by the first oil feed line with the oil inlet of top petrol tank, be serially connected on the first oil feed line oil pump, oil cooler and
Filter, and one in oil cooler and filter is arranged inside gear-box.Lubricating oil i.e. in top petrol tank is by main oil
Case supply, lubricating oil enter in top petrol tank by oil pump, oil cooler and filter.Oil cooler or filter are arranged in gear-box
Inside, and then the inside of gear-box is arranged in the pipeline of oil cooler or filter, enormously simplifies the pipeline outside gear-box, letter
The oil circuit outside gear-box is changed, so that entire unit appearance is more succinct.
In order to reach above-mentioned second purpose, the present invention also provides a kind of air conditioner, which includes any of the above-described
Kind centrifugal compressor.Since above-mentioned centrifugal compressor has above-mentioned technique effect, the sky with the centrifugal compressor
Adjust device that should also have corresponding technical effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of centrifugal compressor part in the prior art；
Fig. 2 is the structural schematic diagram of centrifugal compressor part provided in an embodiment of the present invention.
In Fig. 1:
01- top petrol tank, 02- gear-box, 03- valve, 04- filter, 05- oil cooler, 06- oil pump, 07- main fuel tank,
08- bearing；
In Fig. 2:
1- filter, 2- top petrol tank, 3- valve, the second oil feed line of 4-, 5- bearing, 6- main fuel tank, 7- oil pump, 8- are cold
Oily device, the first oil feed line of 9-.
Specific embodiment
The first purpose of this invention is to provide a kind of centrifugal compressor, and the structure design of the centrifugal compressor can
Effectively to simplify the oil circuit outside gear-box, a second object of the present invention is to provide a kind of including above-mentioned centrifugal compressor
Air conditioner.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 2, centrifugal compressor provided in an embodiment of the present invention includes gear-box, main fuel tank 6, top petrol tank 2
With bearing 5, and main fuel tank 6, top petrol tank 2 and bearing 5 are arranged inside gear-box, and the position of top petrol tank 2 should be high
In the position of bearing 5, lubricating oil when centrifugal compressor powers off suddenly in top petrol tank 2 gives bearing 5 to supply due to gravity
Lubricating oil.Focusing on, the oil outlet of main fuel tank 6 is connected to by the first oil feed line 9 with the oil inlet of top petrol tank 2, and first
Oil pump 7, oil cooler 8 and filter 1 are serially connected on oil feed line 9, and one in oil cooler 8 and filter 1 is arranged in tooth
Inside roller box.Lubricating oil i.e. in top petrol tank 2 is supplied by main fuel tank 6, and lubricating oil passes through oil pump 7, oil cooler 8 and filter 1
Into in top petrol tank 2.Oil cooler 8 or filter 1 are arranged inside gear-box, and then the pipeline of oil cooler 8 or filter 1 is set
The pipeline enormously simplified outside gear-box in the inside of gear-box is set, the oil circuit outside gear-box is simplified, so that entire machine
Group appearance is more succinct.
In order to further optimize the above technical scheme, wherein can only filter 1 be arranged inside gear-box, oil cooler 8
The outside of gear-box is set.In order to simplify exterior line to the greatest extent, filter 1 be can be set inside top petrol tank 2,
And filter 1 separates the oil inlet of top petrol tank 2 and oil outlet, i.e., filter 1 will be divided into two skies inside top petrol tank 2
Between, one of space is connected to oil inlet, another space is connected to oil outlet, the lubrication in space being connected to oil inlet
Oil need to enter another space through filter 1, and then be discharged from oil outlet.When so replacing filter 1, high-order oil need to be only opened
The cover board of case 2 is replaced, more convenient and quick.
Certainly, filter 1 can also be located at outside top petrol tank 2, or only oil cooler 8 is arranged inside gear-box,
This is not construed as limiting.
By being sequentially connected in series oil pump 7, oil cooler 8 and filtering on the first oil feed line 9 on main fuel tank 6 to the flow direction of top petrol tank 2
Device 1, and valve 3 is provided between oil pump 7 and oil cooler 8.It can so be controlled by the valve 3 between oil pump 7 and oil cooler 8
System enters the lubrication oil volume in top petrol tank 2, and can control whether lubricating oil on the first oil feed line 9 circulates.Into one
The oil outlet on step ground, top petrol tank 2 is connected to by the second oil feed line 4 with the oily channel of bearing 5, and the second oil feed line 4
On be provided with valve 3.After so closing the valve 3 between valve 3 and oil pump 7 and oil cooler 8 on the second oil feed line 4,
Just not recirculation lubricating oil in oil cooler 8 and filter 1, it may be convenient to replace oil cooler 8 and filter 1.
In order to supply the lubricating oil in top petrol tank 2 smoothly to bearing 5, top petrol tank 2 can be arranged in gear
Top in case so ensure that the height of top petrol tank 2 to the greatest extent.And the oil outlet of top petrol tank 2 is arranged at it
Bottom, the i.e. oil outlet of top petrol tank 2 are located at the bottom of top petrol tank 2, and the oil outlet of certain top petrol tank 2 also can be set
On its side wall, it is not limited thereto.
In order to simplify the pipeline and bracket outside gear-box as far as possible, wherein oil cooler 8 can be plate heat exchanger, and cold
Oily device 8 is fixed on the outer wall of gear-box.Certainly, oil cooler 8 can also be other structures, be not limited thereto.
The centrifugal compressor provided in based on the above embodiment, the present invention also provides a kind of air conditioner, the air conditioners
Including any one centrifugal compressor in above-described embodiment.Since the air conditioner uses the centrifugal pressure in above-described embodiment
Contracting machine, so the beneficial effect of the air conditioner please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of centrifugal compressor, including gear-box, main fuel tank (6), top petrol tank (2) and bearing (5), and the main fuel tank
(6), top petrol tank (2) and bearing (5) are arranged inside gear-box, which is characterized in that the oil outlet of the main fuel tank (6) is logical
It crosses the first oil feed line (9) to be connected to the oil inlet of the top petrol tank (2), is serially connected with oil on first oil feed line (9)
(7), oil cooler (8) and filter (1) are pumped, and the oil cooler (8) is arranged inside the gear-box；
The centrifugal compressor is blade rotary compressor.
2. centrifugal compressor according to claim 1, which is characterized in that by the main fuel tank (6) to top petrol tank (2)
In flow direction, oil pump (7), oil cooler (8) and filter (1), and the oil pump are sequentially connected in series on first oil feed line (9)
(7) it is provided between oil cooler (8) valve (3).
3. centrifugal compressor according to claim 2, which is characterized in that the oil outlet of the top petrol tank (2) passes through
Second oil feed line (4) is connected to the oily channel of bearing (5), and valve (3) are provided on second oil feed line (4).
4. centrifugal compressor according to claim 1, which is characterized in that the top petrol tank (2) is arranged in the tooth
The oil outlet at the top in roller box, the top petrol tank (2) is arranged in its bottom.
5. a kind of air conditioner, which is characterized in that including centrifugal compressor such as of any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014752.2A CN105465035B (en) | 2016-01-08 | 2016-01-08 | Air conditioner and its centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014752.2A CN105465035B (en) | 2016-01-08 | 2016-01-08 | Air conditioner and its centrifugal compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465035A CN105465035A (en) | 2016-04-06 |
| CN105465035B true CN105465035B (en) | 2019-01-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610014752.2A Active CN105465035B (en) | 2016-01-08 | 2016-01-08 | Air conditioner and its centrifugal compressor |
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| Country | Link |
|---|---|
| CN (1) | CN105465035B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398484B1 (en) * | 1998-03-13 | 2002-06-04 | Hitachi, Ltd. | Centrifugal compressor and shaft seal |
| CN101017035A (en) * | 2006-01-04 | 2007-08-15 | 株式会社日本能源 | Centrifugal compression-type refrigerating machine and lubricating oil used for the same |
| CN201382011Y (en) * | 2009-03-17 | 2010-01-13 | 广东美的电器股份有限公司 | Exterior oil way system for centrifugal refrigerating compressor |
| CN202883385U (en) * | 2012-10-27 | 2013-04-17 | 重庆通用工业(集团)有限责任公司 | Centrifugal water chilling unit of high-level oil tank |
| CN205277900U (en) * | 2016-01-08 | 2016-06-01 | 珠海格力电器股份有限公司 | Air conditioner and centrifugal compressor thereof |
-
2016
- 2016-01-08 CN CN201610014752.2A patent/CN105465035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398484B1 (en) * | 1998-03-13 | 2002-06-04 | Hitachi, Ltd. | Centrifugal compressor and shaft seal |
| CN101017035A (en) * | 2006-01-04 | 2007-08-15 | 株式会社日本能源 | Centrifugal compression-type refrigerating machine and lubricating oil used for the same |
| CN201382011Y (en) * | 2009-03-17 | 2010-01-13 | 广东美的电器股份有限公司 | Exterior oil way system for centrifugal refrigerating compressor |
| CN202883385U (en) * | 2012-10-27 | 2013-04-17 | 重庆通用工业(集团)有限责任公司 | Centrifugal water chilling unit of high-level oil tank |
| CN205277900U (en) * | 2016-01-08 | 2016-06-01 | 珠海格力电器股份有限公司 | Air conditioner and centrifugal compressor thereof |
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| Publication number | Publication date |
|---|---|
| CN105465035A (en) | 2016-04-06 |
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