CN106151044B - Cover board, compressor and air conditioner - Google Patents
Cover board, compressor and air conditioner Download PDFInfo
- Publication number
- CN106151044B CN106151044B CN201610705590.7A CN201610705590A CN106151044B CN 106151044 B CN106151044 B CN 106151044B CN 201610705590 A CN201610705590 A CN 201610705590A CN 106151044 B CN106151044 B CN 106151044B
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- CN
- China
- Prior art keywords
- cover board
- cooling
- motor
- compressor
- segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Abstract
The present invention provides a kind of cover board, compressor and air conditioners, multiple cooling ducts are provided in the cover board, the cooling entrance being connected to multiple cooling ducts is provided in the first end face of cover board, the center line of cooling entrance and cover board has distance, multiple coolant outlets are evenly arranged in the second end face of cover board, multiple coolant outlets are arranged in a one-to-one correspondence with multiple cooling ducts, and from cooling entrance to the center position of the first end face of cover board, the length of cooling duct is progressively longer.It applies the technical scheme of the present invention, is required with solving the problems, such as that the prior art is unable to satisfy the cooling of motor.
Description
Technical field
The present invention relates to compressor cooling technology fields, in particular to a kind of cover board, compressor and air conditioner.
Background technique
Currently, the existing semi-enclosed helical-lobe compressor of low temperature includes motor and the screw rod that connect with motor driven, it should
Motor is horizontally installed in compression case body.In compressor operation, motor cools down it using independent cooling structure,
Generally direct Liquid injection cooling or spiral Liquid injection cooling.Wherein, direct Liquid injection cooling is corresponding on the side wall of compressor housing
Cooling vent is set at motor, hydrojet is carried out to motor from the cooling vent.Spiral Liquid injection cooling needs to be arranged spiral cooling tube road.
It is by the axial direction of the upper direction motor of motor and along motor in the prior art when using direct Liquid injection cooling
Surface flows downward, and so often preferably cool down positioned at motor lower portion, causes inhomogeneous cooling.Using spiral shell
The mode for revolving Liquid injection cooling can make apparatus structure complexity, improve cooling cost.Therefore, existing cooling structure is unable to satisfy electricity
The cooling of machine requires.
Summary of the invention
The present invention provides a kind of cover board, compressor and air conditioner, to solve the cooling that the prior art is unable to satisfy motor
It is required that the problem of.
According to an aspect of the invention, there is provided a kind of cover board, it is provided with multiple cooling ducts in cover board, the of cover board
The cooling entrance being connected to multiple cooling ducts is provided on one end face, the center line for cooling down entrance and cover board has distance,
Multiple coolant outlets are evenly arranged in the second end face of cover board, multiple coolant outlets are corresponded with multiple cooling ducts and set
It sets, from cooling entrance to the center position of the first end face of cover board, the length of cooling duct is progressively longer.
Further, the center of multiple coolant outlets limits a circle.
Further, the circular center of circle that the center of multiple coolant outlets limits is overlapped with the center of cover board.
Further, each cooling duct includes interconnected first segment and second segment, cooling entrance and each first
Duan Liantong, second segment and coolant outlet corresponding with cooling duct connection.
Further, the axial direction for extending perpendicularly to cover board of first segment.
Further, the center line of the first segment of multiple cooling ducts is in the same plane.
Further, the diameter of the first segment of multiple cooling ducts is equal.
Further, second segment is arranged along the axial direction of cover board.
According to an aspect of the invention, there is provided a kind of compressor, compressor include：Shell；Motor is arranged in shell
Interior, motor has the first end and second end being oppositely arranged；Screw rod is horizontally installed in shell and drives with the first end of motor
Connection；Cover board is foregoing cover board, the line and perpendicular at the first end face center of the cooling entrance and cover board of cover board
In parallel, and the top that entrance is located at the first end face center of cover board is cooled down.
Further, compressor further includes shut-off valve, and shut-off valve setting is in cooling inlet.
According to another aspect of the present invention, a kind of air conditioner, including compressor are provided, the compressor is above-mentioned to be provided
Compressor.
It applies the technical scheme of the present invention, multiple cooling ducts is set in cover board, are provided in the first end face of cover board
The cooling entrance being connected to multiple cooling ducts, and make from cooling entrance to the center position of the first end face of cover board, it is cold
But the length in channel is progressively longer, by such configuration, can balance caused by the influence of refrigerant liquid self gravity
The non-uniform problem of liquid separation, to provide a kind of liquid separation uniformly to meet the cooling desired cover board of motor.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the cover board provided according to embodiments of the present invention；
Fig. 2 shows the structural schematic diagrams of the compressor of offer according to embodiments of the present invention；
Fig. 3 shows Fig. 2 cover plate and carries out partial enlarged view at the A of liquid separation.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, cover board；11, cooling duct；12, cooling entrance；13, coolant outlet；20, shell；30, motor；40, screw rod；
50, shut-off valve.
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.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
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 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.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
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.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown in Figure 1, being a kind of cover board according to provided by specific embodiments of the present invention, it is provided in cover board 10 multiple
Cooling duct 11, is provided with the cooling entrance 12 being connected to multiple cooling ducts 11 in the first end face of cover board 10, it is cooling enter
The center line of mouth 12 and cover board 10 has distance, is evenly arranged with multiple coolant outlets 13 in the second end face of cover board 10, multiple
Coolant outlet 13 is arranged in a one-to-one correspondence with multiple cooling ducts 11, the center side of the first end face from cooling entrance 12 to cover board 10
Upwards, the length of cooling duct 11 is progressively longer.
Using such configuration mode, multiple cooling ducts 11 are set in cover board 10, are arranged in the first end face of cover board 10
The cooling entrance 12 being connected to multiple cooling ducts 11, and make the center side of the first end face from cooling entrance 12 to cover board 10
Upwards, the length of cooling duct 11 is progressively longer, by such configuration, can balance the shadow due to refrigerant liquid self gravity
The non-uniform problem of coolant liquid liquid separation caused by ringing, to provide a kind of liquid separation uniformly to meet the cooling desired lid of motor
Plate.
It is distributed according to the runner of motor, the center of multiple coolant outlets 13 can be made to limit a circle.Specifically, as schemed
Shown in 1, the circular center of circle that the center of multiple coolant outlets 13 limits is overlapped with the center of cover board 10.
In order to realize the uniform liquid separation to the cooling liquid of motor, each cooling duct 11 can be configured to include being interconnected
First segment and second segment, cooling entrance 12 is connected with each first segment, second segment and corresponding cold with the cooling duct 11
But outlet 13 is connected.
Using such configuration mode, cooling liquid is introduced from cooling entrance 12 by the first segment of cooling duct 11 and is cooled down
Channel further in order to realize the output of cooling liquid, is gone out cooling liquid from cooling by the second segment of cooling duct 11
It is discharged in mouth 13.
In order to realize to the uniform liquid separation of the cooling liquid of motor, configure the extending direction of the first segment of cooling duct 11 to
Perpendicular to the axial direction of cover board 10.Due to from cooling entrance 12 to the center position of the first end face of cover board 10, cooling duct 11
Length it is progressively longer, therefore, on the basis of the configuration structure of such cooling duct 11, motor coolant liquid through calculating, adjust
The length of cooling duct 11 to balance the influence of cooling liquid self gravity, and then makes the coolant liquid Liquid injection cooling inside motor
Uniformly, excessively high to solve compressor electric motor winding temperature.
Specifically, the length of cooling duct 11 is determined, can be determined by analog simulation.In cover board 10
The passage length of heart hole site and cooling duct 11, cooling width and the interior flow velocity of cooling duct 11 etc., need to consider cold
But the self gravity of liquid, the factors such as inlet pressure of cooling liquid, are analyzed by analogue simulation to obtain specific cover board
Threedimensional model.
The flow rate distribution of the cover board threedimensional model obtained by analogue simulation, each coolant outlet 13 is closer to.It is logical
It crosses simulated experiment state and shows that the temperature value of machine winding everywhere is closer to, can be maintained within certain deviation.
As a specific embodiment of the invention, as shown in Figure 1 to Figure 3, in the first segment of multiple cooling ducts 11
Heart line is in the same plane, while the diameter of the first segment of multiple cooling ducts 11 is equal, axis of the second segment along cover board 10
To setting.
It can by the first segment configured in the multiple cooling ducts 11 being in the same plane using such configuration mode
So that cooling liquid flows into the first segment of different cooling ducts 11 from the cooling entrance 12 of cooling duct 11, liquid is then cooled down
The second segment of cooling duct 11 is flowed by the first segment of cooling duct 11, and is discharged from coolant outlet 13.Due to cooling duct
11 second segment is configured along the axial direction of cover board 10, and therefore, coolant liquid body can be along the axial direction of motor 30 to motor
30 are uniformly cooled down, and are required with meeting the cooling of motor.
As described above, providing a kind of cover board for capableing of uniform liquid separation according to a particular embodiment of the invention, sent out when by this
When bright cover board is applied in motor, the uniform liquid separation of coolant liquid can be realized, require to meet the cooling of motor.It is compressing
Machine field, motor working condition are huge on the influence of the performance of compressor, therefore, in order to improve the working performance of compressor, incite somebody to action this
The cover board of invention applies in the motor of compressor, to provide a kind of good compressor of working performance.
It specifically, as shown in Figure 2 to Figure 3, is a kind of compressor according to provided by specific embodiments of the present invention, compression
Machine includes shell 20, motor 30, screw rod 40 and cover board 10, and cover plate 10 is foregoing cover board.The setting of motor 30 exists
In shell 20, motor 30 has the first end and second end being oppositely arranged；Screw rod 40 is horizontally installed in shell 20 and and motor
30 first end is drivingly connected；The setting of cover board 10 is on the housing 20 and the second end of corresponding motor 30 is arranged；The cooling of cover board 10
Entrance 12 and the line at the first end face center of cover board 10 are parallel with perpendicular, and cooling entrance 12 is located at the first of cover board 10
The top of end face center.
Using such configuration mode, cover board 10 is arranged on the housing 20 and the second end of corresponding motor 30 is arranged, cover board
10 cooling entrance 12 and the line at the first end face center of cover board 10 are parallel with perpendicular, and cooling entrance 12 is located at cover board
The top at 10 first end face center, by such configuration, since cover board 10 is able to carry out uniform liquid separation, pass through cover board
Coolant liquid after 10 uniform liquid separations enters the second end of motor 30, to uniformly be cooled down to motor 30, so that motor 30
The deviation of interior each motor winding temperature is within 5 DEG C.
Further, in order to control the on and off of coolant liquid, compressor can be configured to further include cut-off
Valve 50, the setting of shut-off valve 50 is at cooling entrance 12.When needing to cool down motor 30, can by open shut-off valve 50,
Coolant liquid can be made to enter cover board 10 to carry out uniform liquid separation to coolant liquid, the coolant liquid after uniform liquid separation enters in motor 30, from
And motor 30 is uniformly cooled down, to guarantee the deviation of each motor winding temperature within 5 DEG C.
In order to be further understood that the present invention, below with reference to Fig. 1 to Fig. 3 of the invention, to compressor of the invention
Cooling procedure be described in detail.
As shown in Figure 1, cover board 10 includes six cooling ducts 11, cooling entrance is provided in the first end face of cover board 10
12, the center line of cooling entrance 12 and cover board 10 has interval, and cooling entrance 12 is connected to six cooling ducts 11, cover board 10
It is uniformly arranged in second end face there are six coolant outlet 13, six coolant outlets 13 and six cooling ducts 11 correspond
Setting, from cooling entrance 12 to the center position of the first end face of cover board 10, the length of cooling duct 11 is progressively longer.Six
Coolant outlet annular is arranged on cover board 10, and is arranged on cover board 10 by center of circle annular of the center of cover board 10.Cover board 10
Structure is by coming out designed by analog simulation, and when spraying into coolant liquid from the cooling entrance 12 of cover board 10, six coolings go out
Flow distribution at mouth 13 is essentially identical.
As shown in Fig. 2, compressor includes shell 20, motor 30, screw rod 40 and cover board 10, cover plate 10 is institute as above
The cover board 10 stated.Motor 30 is arranged in shell 20, and motor 30 has the first end and second end being oppositely arranged；Screw rod 40 is laterally
It is arranged in shell 20 and is drivingly connected with the first end of motor 30；The setting of cover board 10 on the housing 20 and corresponding motor 30 the
The setting of two ends；The line at the first end face center of the cooling entrance 12 and cover board 10 of cover board 10 is parallel with perpendicular, and cooling
Entrance 12 is located at the top at the first end face center of cover board 10.Compressor further includes shut-off valve 50, and shut-off valve 50 is arranged in cooling
At entrance 12.
When needing the machine winding to compressor to cool down, shut-off valve 50, cooling of the coolant liquid from cover board 10 are opened
Entrance 12 enters, and then coolant liquid is evenly distributed by six cooling ducts 11 of cover board 10, so that at coolant outlet 13
Flow distribution is essentially identical.Due to motor runner be six runners, six cooling ducts 11 respectively with six runners pair of motor
It should be arranged, coolant liquid separately flows into six runners of motor uniformly to be cooled down to machine winding.
In the present invention, the cooling duct 11 of other forms can also be used, as long as making by the analog simulation to cover board 10
The flow rate obtained at the coolant outlet 13 of cover board 10 is consistent.
Further, according to another aspect of the present invention, compressor as described above can be applied in air conditioner, to mention
The working performance of high air conditioner.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of cover board, which is characterized in that it is provided with multiple cooling ducts (11) in the cover board (10), the cover board (10)
Be provided with the cooling entrance (12) being connected to the multiple cooling duct (11) in first end face, the cooling entrance (12) with
The center line of the cover board (10) has distance, is evenly arranged with multiple coolant outlets in the second end face of the cover board (10)
(13), multiple coolant outlets (13) are arranged in a one-to-one correspondence with multiple cooling ducts (11), from the cooling entrance
(12) extremely on the center position of the first end face of the cover board (10), the length of the cooling duct (11) is progressively longer.
2. cover board according to claim 1, which is characterized in that the center of multiple coolant outlets (13) limits one
It is round.
3. cover board according to claim 2, which is characterized in that the circle that the center of multiple coolant outlets (13) limits
The center of circle of shape is overlapped with the center of the cover board (10).
4. cover board according to any one of claim 1 to 3, which is characterized in that each cooling duct (11) includes
Interconnected first segment and second segment, the cooling entrance (12) are connected to each first segment, the second segment and with
Corresponding coolant outlet (13) connection in the cooling duct (11).
5. cover board according to claim 4, which is characterized in that the first segment extends perpendicularly to the cover board
(10) axial direction.
6. cover board according to claim 5, which is characterized in that the center line of the first segment of multiple cooling ducts (11)
It is in the same plane.
7. cover board according to claim 4, which is characterized in that the diameter of the first segment of multiple cooling ducts (11) is equal
It is equal.
8. cover board according to claim 4, which is characterized in that axial direction setting of the second segment along the cover board (10).
9. a kind of compressor, the compressor include：
Shell (20)；
Motor (30), in the shell (20), the motor (30) has the first end and second end being oppositely arranged for setting；
Screw rod (40) is horizontally installed in the shell (20) and is drivingly connected with the first end of the motor (30)；
Cover board (10), is arranged on the shell (20) and the second end of the corresponding motor (30) is arranged；
It is characterized in that, the cover board (10) is cover board described in any item of the claim 1 to 8 (10), the cover board (10)
Cooling entrance (12) and the line at the first end face center of the cover board (10) it is parallel with perpendicular, and the cooling entrance
(12) it is located at the top at the first end face center of the cover board (10).
10. compressor according to claim 9, which is characterized in that the compressor further includes shut-off valve (50), and described section
Only valve (50) is arranged at the cooling entrance (12).
11. a kind of air conditioner, including compressor, which is characterized in that the compressor is compression described in claim 9 or 10
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705590.7A CN106151044B (en) | 2016-08-22 | 2016-08-22 | Cover board, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705590.7A CN106151044B (en) | 2016-08-22 | 2016-08-22 | Cover board, compressor and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106151044A CN106151044A (en) | 2016-11-23 |
| CN106151044B true CN106151044B (en) | 2018-11-30 |
Family
ID=57342600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610705590.7A Active CN106151044B (en) | 2016-08-22 | 2016-08-22 | Cover board, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151044B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435636A (en) * | 2017-10-11 | 2017-12-05 | 珠海格力电器股份有限公司 | Compressor cooling structure, compressor and air-conditioning system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05103445A (en) * | 1991-10-05 | 1993-04-23 | Fanuc Ltd | Liquid-cooled motor and its jacket |
| US20090079278A1 (en) * | 2007-09-20 | 2009-03-26 | Kramer Dennis A | Segmented motor cooling jacket |
| US8080909B2 (en) * | 2009-05-19 | 2011-12-20 | Ford Global Technologies, Llc | Cooling system and method for an electric motor |
| CN103401353A (en) * | 2013-07-27 | 2013-11-20 | 宁波德曼压缩机有限公司 | Oil-cooled screw air compressor coaxial with motor |
| CN103532307B (en) * | 2013-10-21 | 2016-05-04 | 南车株洲电力机车研究所有限公司 | A kind of permanent-magnet synchronizing traction motor and oil cooler thereof |
| CN203607994U (en) * | 2013-12-18 | 2014-05-21 | 深圳航天微电机有限公司 | End face water jacket |
| CN205937127U (en) * | 2016-08-22 | 2017-02-08 | 珠海格力电器股份有限公司 | Apron, compressor and air conditioner |
-
2016
- 2016-08-22 CN CN201610705590.7A patent/CN106151044B/en active Active
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| CN106151044A (en) | 2016-11-23 |
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