CN208846771U - A kind of refrigerating system road - Google Patents
A kind of refrigerating system road Download PDFInfo
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- CN208846771U CN208846771U CN201821279325.8U CN201821279325U CN208846771U CN 208846771 U CN208846771 U CN 208846771U CN 201821279325 U CN201821279325 U CN 201821279325U CN 208846771 U CN208846771 U CN 208846771U
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- return
- air
- general pipeline
- branched pipe
- air branched
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Abstract
The utility model discloses a kind of refrigerating system roads, including return-air branched pipe, the return-air branched pipe includes the first return-air branched pipe and the second return-air branched pipe, the first return-air branched pipe and the second return-air branched pipe are connected to a return-air general pipeline, and the bending that is used to alleviate effect of inertia of the bending angle less than 90 degree is provided on the return-air general pipeline.By the way that bending angle to be set smaller than to 90 degree of acute angle, makes to enter liquid refrigerants at the first return-air branched pipe and the second return-air branched pipe and compressor lubricant oil is essentially identical, so that liquid refrigerants and compressor lubricant oil are uniformly distributed in two compressors.
Description
Technical field
The utility model relates to double-compressor interconnection technique field, in particular to a kind of refrigerating system road.
Background technique
The connection of double-compressor generally has two kinds of connection types in parallel and serial, and the pressure difference of parallel connection compressor is small, high-efficient,
And big pressure difference, big temperature difference effect then may be implemented in compressors in series.
Double compressor system in parallel in use, branched pipe and a return-air of two compressors respectively for return-air
General pipeline connection, in order to make the liquid refrigerants being passed through in two branched pipes or compressor lubricant oil evenly distributed as far as possible, two
A branched pipe is arranged on the two sides the return-air general pipeline.And return-air general pipeline has bending part in practical applications, due to pipeline
The effect of inertia of transmission, will lead to the liquid refrigerants being transmitted in two branched pipes or compressor lubricant oil distribution is uneven
Even situation occurs, so as to cause in double compressor system in parallel two compressor bottom temps or oil level difference compared with
Greatly, compressor can be damaged under serious conditions, cause unit failure.
Therefore, the liquid refrigerants or compressor lubricant oil in two return-air branched pipes of double-compressor parallel how to be solved
Non-uniform problem is distributed, those skilled in the art's technical problem urgently to be resolved is become.
Utility model content
In view of this, the present invention provides a kind of refrigerating system roads, are returned with two that solve double-compressor parallel
Liquid refrigerants or compressor lubricant oil in gas branched pipe distribute non-uniform problem.
To achieve the above object, the utility model provides the following technical solutions:
A kind of refrigerating system road, including return-air general pipeline and return-air branched pipe, the return-air branched pipe include the first return-air
Branched pipe and the second return-air branched pipe, the first return-air branched pipe and the second return-air branched pipe connect with the return-air general pipeline
It is logical, the bending that is used to alleviate effect of inertia of the bending angle less than 90 degree is provided on the return-air general pipeline.
Preferably, the return-air general pipeline includes vertical return-air general pipeline and horizontal return-air general pipeline, the vertical return-air general pipeline's
One end is connected to the return-air branched pipe, and the other end is connected to the horizontal return-air general pipeline, close on the horizontal return-air general pipeline
The bending angle of first horizontal bending of the vertical return-air general pipeline is less than 90 degree.
Preferably, the horizontal return-air general pipeline includes the horizontal return-air general pipeline of first level return-air general pipeline and second, described to hang down
Straight gyrus gas general pipeline is connected to one end of the first level return-air general pipeline, the other end of the first level return-air general pipeline with it is described
Second horizontal return-air general pipeline connection, the bending of the junction the horizontal return-air general pipeline of first level return-air general pipeline and second
Bending angle is less than 90 degree.
Preferably, the first return-air branched pipe and the second return-air branched pipe are connected to the total pipe end of vertical return-air
Two sides.
Preferably, the first return-air branched pipe, the second return-air branched pipe and vertical return-air general pipeline are connected to by tee tube.
Preferably, the first return-air branched pipe and the second return-air branched pipe are connected to the two of the total pipe end of the return-air
Side.
Preferably, the first return-air branched pipe, the second return-air branched pipe are connected to return-air general pipeline by tee tube.
It can be seen from the above technical proposal that a kind of refrigerating system road provided by the utility model, including return-air general pipeline
With return-air branched pipe, the return-air branched pipe includes the first return-air branched pipe and the second return-air branched pipe, first return-air point
Branch pipe and the second return-air branched pipe are connected to the return-air general pipeline, and bending angle is provided on the return-air general pipeline less than 90 degree
For alleviating the bending of effect of inertia.By the way that the bending angle to be set smaller than to 90 degree of acute angle, replace in the prior art
Right angle or obtuse angle bending setting, so that oil liquid is after the bending at the A of bending angle, part oil liquid advances along right side, part oil
Liquid is since the effect of bending is got rid of to the left, to make to enter the liquid at the first return-air branched pipe and the second return-air branched pipe
Refrigerant and compressor lubricant oil are essentially identical, so that liquid refrigerants and compressor lubricant oil are uniformly distributed to two compressions
In machine.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the attachment structure schematic diagram on refrigerating system road and double-compressor provided by the embodiment of the utility model；
Fig. 2 is a kind of attachment structure schematic diagram of angle in refrigerating system road provided by the embodiment of the utility model；
Fig. 3 is the attachment structure schematic diagram of refrigerating system road another kind angle provided by the embodiment of the utility model.
1, the second horizontal return-air general pipeline, 11, return-air general pipeline import, 2, first level return-air general pipeline, 3, vertical return-air general pipeline,
4, the first return-air branched pipe, the outlet of the 41, first return-air branched pipe, 5, tee tube, the 6, second return-air branched pipe, the 61, second return-air
Branched pipe outlet, A are bending angle.
Specific embodiment
The utility model discloses a kind of refrigerating system roads, in two return-air branched pipes to solve double-compressor parallel
Liquid refrigerants or compressor lubricant oil distribute non-uniform problem.
Referring to Fig.2, oil liquid mixture may be considered and is blended in gaseous coolant in the form of mist state.In certain flow velocity
Under, if oil liquid mixture is right angle or obtuse angle in bending part during traveling, since oil liquid mixture density compares gaseous state
Big more of refrigerant, under the action of inertia, oil liquid will be skewed towards right side in first level return-air general pipeline 2 and advance, and enter vertically
During return-air general pipeline 3 is assigned to compressor by connector, the compressor on right side will enter more oil liquid, the compression in left side
Machine is possible to the problem of oil starvation can occur.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-3, the utility model discloses a kind of refrigerating system roads, including return-air general pipeline and return-air point
Branch pipe, the return-air branched pipe include the first return-air branched pipe 4 and the second return-air branched pipe 6, the first return-air branched pipe 4 and second
Return-air branched pipe 6 is connected to the return-air general pipeline, and bending angle A is provided on the return-air general pipeline and is used to alleviate less than 90 degree
The bending of effect of inertia.
By the way that bending angle A to be set smaller than to 90 degree of acute angle, right angle in the prior art or obtuse angle bending is replaced to be arranged,
So that oil liquid, after the bending at the A of bending angle, part oil liquid advances along right side, part oil liquid due to the effect of bending get rid of to
Left side, to make to enter liquid refrigerants at the first return-air branched pipe 4 and the second return-air branched pipe 6 and compressor lubricant oil is basic
It is identical, so that liquid refrigerants and compressor lubricant oil are uniformly distributed in two compressors in parallel, it is ensured that parallel connection pressure
Contracting machine runs the influence that not will receive oil starvation.
Wherein, the return-air general pipeline includes vertical return-air general pipeline 3 and horizontal return-air general pipeline, one end of vertical return-air general pipeline 3
It is connected to the return-air branched pipe, the other end is connected to the horizontal return-air general pipeline, close to vertical on the horizontal return-air general pipeline
The bending angle A of first horizontal bending of return-air general pipeline 3 is less than 90 degree.By the way that the bending angle A of first horizontal bending is arranged
At the acute angle less than 90 degree, so that being relatively evenly distributed in the pipe of vertical return-air general pipeline 3 into the oil liquid in vertical return-air general pipeline 3
It is intracavitary.
Further, the horizontal return-air general pipeline includes the horizontal return-air general pipeline 1 of first level return-air general pipeline 2 and second, is hung down
Straight gyrus gas general pipeline 3 is connected to one end of first level return-air general pipeline 2, the other end of first level return-air general pipeline 2 and the second level
Return-air general pipeline 1 is connected to, and first level return-air general pipeline 2 and the bending angle of the bending of the second horizontal 1 junction return-air general pipeline are small
In 90 degree.By the way that first level return-air general pipeline 2 and the bending angle A of the bending of the second horizontal 1 junction return-air general pipeline are set
It is set to less than 90 degree, so that being relatively evenly distributed in first level return-air general pipeline 2 into the oil liquid in first level return-air general pipeline 2
Lumen in.
In one embodiment, the first return-air branched pipe 4 and the second return-air branched pipe 6 are connected to vertical return-air general pipeline 3
The two sides of end.First return-air branched pipe 4 and the second return-air branched pipe 6 are symmetrical arranged, the first return-air branched pipe outlet 41 and the right side
The return air inlet of side compression machine connects, and the second return-air branched pipe outlet 61 is connect with the return air inlet of left side compressor, to be
Oil liquid mixture evenly distributes into left and right side compressor and creates subsidiary conditions.
In order to facilitate connection, the first return-air branched pipe 4, the second return-air branched pipe 6 and vertical return-air general pipeline 3 pass through tee tube
5 connections.
In another embodiment, the first return-air branched pipe 4 and the second return-air branched pipe 6 are connected to the return-air general pipeline
Liquid refrigerants or compressor lubricant oil are distributed to left and right side compressor to facilitate in the two sides of end.
Wherein, it connects for convenience, the first return-air branched pipe 4, the second return-air branched pipe 6 and the return-air general pipeline pass through three
Siphunculus 5 is connected to.
When system is run, under the driving of compressor, gaseous coolant carries a small amount of liquid refrigerants and compressor lubricant oil
Enter the return-air general pipeline from return-air general pipeline import 11, is conveyed along the second horizontal return-air general pipeline 1, the folding through over-angle less than 90 °
Bent angle A flows to the vertical return-air general pipeline 3 of vertical direction using first level return-air general pipeline 2, after being distributed using tee tube 5,
The first return-air branched pipe 4 and the second return-air branched pipe 6 are respectively enterd, enters right side finally by the first return-air branched pipe outlet 41
Compressor enters left side compressor by the second return-air branched pipe outlet 61.
The design of the acute angle of bending angle A, so that the liquid into the first return-air branched pipe 4 and the second return-air branched pipe 6 is cold
Matchmaker and compressor lubricant oil have obtained uniform distribution, to ensure that double-compressor operating status in parallel is almost the same, protect
The normal operation of compressor and system.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of refrigerating system road, including return-air general pipeline and return-air branched pipe, the return-air branched pipe includes the first return-air point
Branch pipe and the second return-air branched pipe, the first return-air branched pipe and the second return-air branched pipe are connected to the return-air general pipeline,
It is characterized in that, being provided with the bending that is used to alleviate effect of inertia of the bending angle less than 90 degree on the return-air general pipeline.
2. refrigerating system road according to claim 1, which is characterized in that the return-air general pipeline includes vertical return-air general pipeline
It is connected to one end of horizontal return-air general pipeline, the vertical return-air general pipeline with the return-air branched pipe, the other end and the level are returned
Gas general pipeline is connected to, and the bending angle of first horizontal bending on the horizontal return-air general pipeline close to the vertical return-air general pipeline is less than
90 degree.
3. refrigerating system road according to claim 2, which is characterized in that the horizontal return-air general pipeline includes first level
The horizontal return-air general pipeline of return-air general pipeline and second, the vertical return-air general pipeline are connected to one end of the first level return-air general pipeline,
The other end of the first level return-air general pipeline is connected to the described second horizontal return-air general pipeline, the first level return-air general pipeline with
The bending angle of the bending of second junction horizontal return-air general pipeline is less than 90 degree.
4. refrigerating system road according to claim 3, which is characterized in that the first return-air branched pipe and the second return-air
Branched pipe is connected to the two sides of the total pipe end of vertical return-air.
5. refrigerating system road according to claim 4, which is characterized in that the first return-air branched pipe, the second return-air
Branched pipe is connected to vertical return-air general pipeline by tee tube.
6. refrigerating system road according to claim 1, which is characterized in that the first return-air branched pipe and the second return-air
Branched pipe is connected to the two sides of the total pipe end of the return-air.
7. refrigerating system road according to claim 6, which is characterized in that the first return-air branched pipe, the second return-air
Branched pipe is connected to return-air general pipeline by tee tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279325.8U CN208846771U (en) | 2018-08-07 | 2018-08-07 | A kind of refrigerating system road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279325.8U CN208846771U (en) | 2018-08-07 | 2018-08-07 | A kind of refrigerating system road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208846771U true CN208846771U (en) | 2019-05-10 |
Family
ID=66353712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821279325.8U Active CN208846771U (en) | 2018-08-07 | 2018-08-07 | A kind of refrigerating system road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208846771U (en) |
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2018
- 2018-08-07 CN CN201821279325.8U patent/CN208846771U/en active Active
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