CN106762721A - Electric fan, nose assembly and its electric machine support - Google Patents

Electric fan, nose assembly and its electric machine support Download PDF

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Publication number
CN106762721A
CN106762721A CN201510869725.9A CN201510869725A CN106762721A CN 106762721 A CN106762721 A CN 106762721A CN 201510869725 A CN201510869725 A CN 201510869725A CN 106762721 A CN106762721 A CN 106762721A
Authority
CN
China
Prior art keywords
electric machine
machine support
fixed plate
connecting plate
nose assembly
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.)
Pending
Application number
CN201510869725.9A
Other languages
Chinese (zh)
Inventor
陈海庭
贾铌
刘伟龙
李曙光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of CN106762721A publication Critical patent/CN106762721A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention provides a kind of electric fan, nose assembly and its electric machine support.The electric machine support includes:Fixed plate;Connecting plate, is installed in the fixed plate;Hollow support shaft, is installed in the fixed plate, for supporting the fixed plate and connecting plate;And brace rod, the fixed plate is connected with the connecting plate, plate is connected with connecting plate by brace rod so that the rigidity of electric machine support strengthens, to reduce shake when electric fan works suffered by electric machine support, and then vibration amplitude of the electric machine support on jitter direction is reduced, and the reliability of electric machine support is improved, reduce the vibration of nose assembly, ensure the performance of electric fan, it is user-friendly.

Description

Electric fan, nose assembly and its electric machine support
Technical field
The present invention relates to electric equipment field, more particularly to a kind of electric fan, nose assembly and its motor branch Frame.
Background technology
In current fan product, nose assembly mainly include preceding net, rear net, fan blade, asynchronous machine, Cover lid and electric machine support etc..Fan blade rotates under the drive of motor, dries, and is closed by the assembling of nose assembly The electric machine support that system can be seen that nose assembly is the main load-bearing part of nose assembly, front and rear net and fan blade Covered installed in cover, cover lid is mounted on electric machine support, motor is arranged on electric machine support.Fan exists During operating, the external force of suffered front and rear shake is born by electric machine support substantially, but, the electric machine support The rigidity of structure is inadequate, it is easy to cause the shake of fan head, influences the air-out performance of fan, is not easy to User uses.
The content of the invention
Based on this, it is necessary to for the problem that the rigidity of current electric machine support is inadequate, there is provided one kind can be right The electric machine support that rigidity is strengthened, while a kind of nose assembly containing above-mentioned electric machine support is additionally provided, And the electric fan containing above-mentioned nose assembly.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of electric machine support, including:
Fixed plate;
Connecting plate, is installed in the fixed plate;
Hollow support shaft, is installed in the fixed plate, for supporting the fixed plate and connecting plate;And
Brace rod, connects the fixed plate and the connecting plate.
Wherein in one embodiment, the brace rod is rib, and the rib inclines relative to the fixed plate Tiltedly set;
One end of the rib is located in the fixed plate, and the other end is located on the connecting plate.
Wherein in one embodiment, the rib is 15 ° relative to the inclined angle of the fixed plate ~75 °.
Wherein in one embodiment, the rib is in the length for being projected as the fixed plate in the fixed plate The 1/5~3/4 of degree.
Wherein in one embodiment, the brace rod be gusset, one of side of the gusset with it is described The surface of fixed plate is in contact, and another side is in contact with the surface of the connecting plate.
Wherein in one embodiment, the cross sectional shape of the gusset is triangle, one of side with it is described The surface of fixed plate is in contact, and another side is in contact with the surface of the connecting plate;
Angle between the Article 3 side of the gusset and the surface of the fixed plate is 15 °~75 °.
Wherein in one embodiment, the quantity of the connecting plate is two, and two connecting plates symmetrically set It is placed in the fixed plate;
And, the angle between the fixed plate and the connecting plate is 90 ° ± 5 °.
Wherein in one embodiment, it is additionally provided with the fixed plate and is easy to the fixed plate that fixation is installed Bending part, the bending part is obliquely installed relative to the surface of the fixed plate;
The direction of the bending part is opposite with the direction of the connecting plate.
Further relate to a kind of nose assembly, including asynchronous machine, cover lid, guard, fan blade and any skill as described above Electric machine support described in art feature;
The fan blade is installed in the guard, and the guard is installed on the cover and covers;The cover lid is fixed In on the electric machine support;
The asynchronous machine is installed on the electric machine support.
Further relate to a kind of electric fan, including base and the nose assembly as described in above-mentioned technical characteristic, the machine Head assembly is installed on the base.
The beneficial effects of the invention are as follows:
Electric fan of the invention, nose assembly and its electric machine support, structure design advantages of simple, in fixed plate Brace rod is set between connecting plate, plate is connected with connecting plate by brace rod so that electric machine support it is firm Degree enhancing, is existed with reducing shake when electric fan works suffered by electric machine support, and then reducing electric machine support Vibration amplitude on jitter direction, improves the reliability of electric machine support, reduces the vibration of nose assembly, it is ensured that The performance of electric fan, it is user-friendly.
Brief description of the drawings
Fig. 1 uses the vibration-testing figure during electric machine support of prior art for nose assembly;
Fig. 2 is the stereogram of the nose assembly of one embodiment of the invention;
Fig. 3 is the stereogram of electric machine support in the nose assembly shown in Fig. 2;
Fig. 4 is that nose assembly uses the vibration-testing figure in Fig. 3 during electric machine support;
Wherein:
100- electric machine supports;
110- fixed plates;111- bending parts;
120- connecting plates;
130- support shafts;
140- brace rods;
200- asynchronous machines;
300- cover lids;
400- guards;
500- fan blades.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, And with reference to accompanying drawing, electric fan of the invention, nose assembly and its electric machine support are further elaborated. It should be appreciated that specific embodiment described herein is only used to explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 2 and Fig. 3, the invention provides a kind of electric machine support 100, including fixed plate 110, connection Plate 120, hollow support shaft 130 and brace rod 140.
In the present invention, connecting plate 120 is installed in fixed plate 110.Connecting plate 120 is asynchronous for fixing Motor 200, fixed plate 110 for electric machine support 100 is fixed, by consolidating for fixed plate 110 It is fixed so that the vibration reduction operationally of asynchronous machine 200, and then cause the fan blade 400 in nose assembly Shake is difficult when rotating.Connecting plate 120 is installed in fixed plate 110, the connecting plate 120 of fixed plate 110 Between form angle, and, the angle between fixed plate 110 and connecting plate 120 is 90 ° ± 5 °, such energy Enough facilitate the production and processing of connecting plate 120 and fixed plate 110, it is ensured that connecting plate 120 and fixed plate 110 it Between coupling stiffness.
In the present embodiment, the angle between fixed plate 110 and connecting plate 120 is 90 °.Meanwhile, connection The quantity of plate 120 is two, and two connecting plates 120 are symmetricly set in fixed plate 110, by two companies Fishplate bar 120 is connected asynchronous machine 200 so that asynchronous machine 200 is fixed, prevents asynchronous machine There is play in 200 position.Certainly, two connecting plates 120 can also be structure as a whole.Also, fixed plate 110 can also be processed with connecting plate 120 using integrally formed processing mode, to improve electric machine support 100 reliability.
Hollow support shaft 130 is installed in fixed plate 110, for supporting fixed plate 110 and connecting plate 120. Hollow support shaft 130 is distinguished perpendicular to the surface of fixed plate 110, and support shaft 130 with connecting plate 120 Positioned at the both sides of fixed plate 110.One end of support shaft 130 is connected plate 110, other end connection electric fan Supportive body, the wire of asynchronous machine 200 is installed in support shaft 130.
Brace rod 140 is connected plate 110 and connecting plate 120.Brace rod 140 can play a part of support, Increase the attachment force between fixed plate 110 and connecting plate 120.Fan blade 400 is rotated when nose assembly works, Nose assembly can produce jitter phenomenon during fan blade 400 is rotated, and the external force of front and rear shake is substantially Born by electric machine support 100.Electric machine support of the invention 100 be mainly head main load-bearing part- Carry out finishing structure improvement on electric machine support 100.Shake in view of nose assembly is subject to electric machine support 100 The influence of front and rear flexural vibrations is larger, the method by increasing brace rod 140, increases electric machine support 100 and exists Rigidity on nose assembly jitter direction, so as to change the resonance vibration shape of electric machine support 100, reduces motor branch Vibration amplitude of the frame 100 on jitter direction, is finally reached the jitter conditions for improving nose assembly.
Specifically, enabling to motor branch by can be connected plate 110 and the connecting plate 120 of brace rod 140 The rigidity of frame 100 increases, especially the rigidity on the jitter direction of electric machine support 100, adjusts and improves Each rank mode bending vibration shape of electric machine support 100, so as to change the resonance vibration shape of electric machine support 100, reduces Resonance amplitude, to reduce the shake of nose assembly operationally electric machine support 100, significantly reduces head The amplitude of component shake so that nose assembly operates steadily, it is ensured that the performance of electric fan.
Comparison diagram 1 and Fig. 4, Fig. 1 are that nose assembly uses the vibration during electric machine support 100 of prior art to survey Attempt, now, peak value of the electric machine support 100 at 100Hz is 2.8;Fig. 4 uses this hair for nose assembly Vibration-testing figure during electric machine support 100 in bright, now, peak value of the electric machine support 100 at 100Hz It is 1.25.From the flutter test data in Fig. 1 and Fig. 4, it is apparent that electric machine support 100 is by knot After structure changes, the vibration amplitude at 100Hz chattering frequencies has certain reduction, is dropped to by 2.8 before Present 1.25.Field observation shown, the nose assembly of electric machine support 100 after mounting structure changes is trembled Nose assembly before emotionally condition relatively changes really has certain improvement.
Referring to Fig. 2 and Fig. 3, to the main load-bearing and force part of electric machine support 100 by increasing brace rod 140 mode, the rigidity to electric machine support 100 is strengthened, and emphasis is strengthened the front and rear of electric machine support 100 and trembled The rigidity in dynamic direction, on the basis of based on model analysis, improves each rank flexural vibrations of electric machine support 100 The vibration shape, even if the whole machine of electric fan occurs covibration, can also drop in the range of acceptable resonant amplitude. Meanwhile, the reduction of electric fan vibration peak under each shelves rotating speed is demonstrated from experimental data.
At present, fan in the running, by electric machine support born substantially by the external force of suffered front and rear shake, But, the rigidity of the motor supporting structure is inadequate, it is easy to cause the shake of fan head, influence fan Air-out performance, is not easy to user and uses.Electric machine support of the invention 100 is in fixed plate 110 and connecting plate 120 Between brace rod 140 is set, plate 110 and connecting plate 120 are connected so that motor branch by brace rod 140 The rigidity enhancing of frame 100, to reduce shake when electric fan works suffered by electric machine support 100, and then Vibration amplitude of the electric machine support 100 on jitter direction is reduced, the reliability of electric machine support 100, drop is improved The vibration of low nose assembly, it is ensured that the performance of electric fan, it is user-friendly.
Used as a kind of embodiment, brace rod 140 is rib, and rib is inclined relative to fixed plate 110 and set Put;One end of rib is located in fixed plate 110, and the other end is located on connecting plate 120.Supported by rib Fixed plate 110 and connecting plate 120, to increase the rigidity of electric machine support 100, reduce electric machine support 100 and are trembling Vibration amplitude on dynamic direction, improves the reliability of electric machine support 100, reduces the vibration of nose assembly, protects The performance of electric fan is demonstrate,proved, it is user-friendly.Rib is obliquely installed, and so ensure that fixed plate 110 Reliability is connected with connecting plate 120 so that the rigidity of electric machine support 100 increases.
Further, rib is 15 °~75 ° relative to the inclined angle of fixed plate 110.The inclination angle of rib In the range of 15 °~75 °, rib is connected plate 110 and connecting plate 120 so that electric machine support 100 to degree Rigidity it is increased larger, to ensure rigidity of the electric machine support 100 on jitter direction.Yet further, Rib in 1/5~3/4 of the length for being projected as fixed plate 110 in fixed plate 110, to ensure electric machine support 100 Rigidity on jitter direction.Angle of inclination and the restriction of length by rib, adjust and improve motor branch Each rank mode bending vibration shape of frame 100, to reduce vibration amplitude of the electric machine support 100 on jitter direction, So as to change the resonance vibration shape of electric machine support 100, resonance amplitude is reduced, to reduce nose assembly operationally The shake of electric machine support 100, significantly reduces the amplitude of nose assembly shake so that nose assembly runs Steadily, it is ensured that the performance of electric fan.
Certainly, as a kind of embodiment, brace rod 140 can also be gusset, gusset one of them Side is in contact with the surface of fixed plate 110, and another side is in contact with the surface of connecting plate 120.By muscle Plate increases itself and the contact area between fixed plate 110 and connecting plate 120, further improves electric machine support 100 Rigidity, it is ensured that electric machine support 100 is being trembled in the rigidity on jitter direction with reducing electric machine support 100 Vibration amplitude on dynamic direction, so as to change the resonance vibration shape of electric machine support 100, reduces resonance amplitude, with The shake of nose assembly operationally electric machine support 100 is reduced, the width of nose assembly shake is significantly reduced Value so that nose assembly operates steadily, it is ensured that the performance of electric fan.
Further, the cross sectional shape of gusset is triangle, square or polygon, to ensure the rigidity of gusset, And then the rigidity of guarantee link of boards fixed plate 110 and connecting plate 120, increase the rigidity of electric machine support 100. In the present embodiment, the cross sectional shape of gusset is triangle, the surface phase of one of side and fixed plate 110 Contact, another side is in contact with the surface of connecting plate 120, and gusset Article 3 side and fixed plate 110 Angle between surface is 15 °~75 °.It is preferred that triangle is right angled triangle, two right-angle side difference Surface, the surface of connecting plate 120 with fixed plate 110 are in contact.So ensure that link of boards is fixed Plate 110 and the reliability of connecting plate 120, further improve the rigidity of electric machine support 100, it is ensured that motor branch Frame 100 in the rigidity on jitter direction, to reduce vibration amplitude of the electric machine support 100 on jitter direction, So as to change the resonance vibration shape of electric machine support 100, resonance amplitude is reduced, to reduce nose assembly operationally The shake of electric machine support 100, significantly reduces the amplitude of nose assembly shake so that nose assembly runs Steadily, it is ensured that the performance of electric fan.
As a kind of embodiment, it is additionally provided with fixed plate 110 and is easy to fixed plate 110 that fixation is installed Bending part 111, bending part 111 is obliquely installed relative to the surface of fixed plate 110;The direction of bending part 111 Direction with connecting plate 120 is opposite.Electric machine support 100 is fixed by bending part 111 so that head group Part operationally, fix by the position of electric machine support 100, and play will not occur.
Present invention also offers a kind of nose assembly, including asynchronous machine 200, cover lid 300, guard 400, Electric machine support 100 in fan blade 400 and above-described embodiment;Fan blade 400 is installed in guard 400, guard 400 are installed on cover lid 300;Cover lid 300 is fixed on electric machine support 100;Asynchronous machine 200 is installed on On electric machine support 100.Increase brace rod 140 on electric machine support 100, to increase electric machine support 100 in machine Rigidity on head assembly jitter direction, so as to change the resonance vibration shape of electric machine support 100, reduces electric machine support 100 vibration amplitude on jitter direction, and then the shake of nose assembly operationally electric machine support 100 is reduced, It is finally reached the jitter conditions for improving nose assembly so that nose assembly operates steadily.
Present invention also offers a kind of electric fan, including base and above-described embodiment nose assembly, head group Part is installed on base.Electric fan is existing structure in addition to nose assembly, does not just repeat one by one herein. By increasing brace rod 140 on the electric machine support 100 of nose assembly, to increase the shake of electric machine support 100 Rigidity on direction, adjustment and each rank mode bending vibration shape for improving electric machine support 100, so as to change motor The resonance vibration shape of support 100, reduces resonance amplitude, to reduce nose assembly operationally electric machine support 100 Shake, significantly reduce nose assembly shake amplitude so that nose assembly operates steadily, it is ensured that electricity The performance of fan, it is user-friendly.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, But therefore can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for this area Those of ordinary skill for, without departing from the inventive concept of the premise, can also make it is some deformation and Improve, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended Claim is defined.

Claims (10)

1. a kind of electric machine support, it is characterised in that including:
Fixed plate (110);
Connecting plate (120), is installed in the fixed plate (110);
Hollow support shaft (130), is installed in the fixed plate (110), for supporting the fixed plate And connecting plate (120) (110);And
Brace rod (140), connects the fixed plate (110) and the connecting plate (120).
2. electric machine support according to claim 1, it is characterised in that the brace rod (140) is Rib, the rib is obliquely installed relative to the fixed plate (110);
One end of the rib is located in the fixed plate (110), and the other end is located at the connecting plate (120) On.
3. electric machine support according to claim 2, it is characterised in that the rib is solid relative to described Fixed board (110) inclined angle is 15 °~75 °.
4. electric machine support according to claim 3, it is characterised in that the rib is in the fixed plate (110) 1/5~3/4 of the length for being projected as the fixed plate (110) on.
5. electric machine support according to claim 1, it is characterised in that the brace rod (140) is Gusset, one of side of the gusset is in contact with the surface of the fixed plate (110), another side with The surface of the connecting plate (120) is in contact.
6. electric machine support according to claim 5, it is characterised in that the cross sectional shape of the gusset is Triangle, one of side is in contact with the surface of the fixed plate (110), another side and the connecting plate (120) surface is in contact;
Angle between the Article 3 side of the gusset and the surface of the fixed plate (110) is 15 °~75 °.
7. the electric machine support according to claim 4 or 6, it is characterised in that the connecting plate (120) Quantity be two, two connecting plates (120) are symmetricly set in the fixed plate (110);
And, the angle between the fixed plate (110) and the connecting plate (120) is 90 ° ± 5 °.
8. the electric machine support according to claim 4 or 6, it is characterised in that the fixed plate (110) On be additionally provided with and be easy to the fixed plate (110) that fixed bending part (111), the bending part (111) are installed Surface relative to the fixed plate (110) is obliquely installed;
The direction of the bending part (111) is opposite with the direction of the connecting plate (120).
9. a kind of nose assembly, it is characterised in that including asynchronous machine (200), cover lid (300), guard (400), fan blade (500) and electric machine support (100) as described in any one of claim 1 to 8;
The fan blade (500) is installed in the guard (400), and the guard (400) is installed on described On cover lid (300);Cover lid (300) is fixed on the electric machine support (100);
The asynchronous machine (200) is installed on the electric machine support (100).
10. a kind of electric fan, it is characterised in that including base and nose assembly as claimed in claim 9, The nose assembly is installed on the base.
CN201510869725.9A 2015-11-23 2015-11-30 Electric fan, nose assembly and its electric machine support Pending CN106762721A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2015209409926 2015-11-23
CN201520940992 2015-11-23

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Publication Number Publication Date
CN106762721A true CN106762721A (en) 2017-05-31

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CN201520976115.4U Expired - Fee Related CN205297962U (en) 2015-11-23 2015-11-30 Electric fan, head assembly and motor support thereof
CN201510869725.9A Pending CN106762721A (en) 2015-11-23 2015-11-30 Electric fan, nose assembly and its electric machine support

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205297962U (en) * 2015-11-23 2016-06-08 珠海格力电器股份有限公司 Electric fan, head assembly and motor support thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696450A (en) * 1986-04-04 1987-09-29 Huang Kuo C Fan motor assembly support frame
CN201318299Y (en) * 2008-12-24 2009-09-30 珠海格力电器股份有限公司 Ultra-thin oscillating fan
CN201576973U (en) * 2009-12-11 2010-09-08 中山大洋电机股份有限公司 Motor bracket
CN203933208U (en) * 2014-05-19 2014-11-05 宁波安信数控技术有限公司 A kind of electric machine support
CN104279176A (en) * 2013-07-04 2015-01-14 珠海格力电器股份有限公司 Motor support structure for electric fan and electric fan
CN205297962U (en) * 2015-11-23 2016-06-08 珠海格力电器股份有限公司 Electric fan, head assembly and motor support thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696450A (en) * 1986-04-04 1987-09-29 Huang Kuo C Fan motor assembly support frame
CN201318299Y (en) * 2008-12-24 2009-09-30 珠海格力电器股份有限公司 Ultra-thin oscillating fan
CN201576973U (en) * 2009-12-11 2010-09-08 中山大洋电机股份有限公司 Motor bracket
CN104279176A (en) * 2013-07-04 2015-01-14 珠海格力电器股份有限公司 Motor support structure for electric fan and electric fan
CN203933208U (en) * 2014-05-19 2014-11-05 宁波安信数控技术有限公司 A kind of electric machine support
CN205297962U (en) * 2015-11-23 2016-06-08 珠海格力电器股份有限公司 Electric fan, head assembly and motor support thereof

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