CN209566798U - Distance increasing unit assembly and electric car - Google Patents
Distance increasing unit assembly and electric car Download PDFInfo
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- CN209566798U CN209566798U CN201920178256.XU CN201920178256U CN209566798U CN 209566798 U CN209566798 U CN 209566798U CN 201920178256 U CN201920178256 U CN 201920178256U CN 209566798 U CN209566798 U CN 209566798U
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- generator
- increasing unit
- distance increasing
- engine
- speed increaser
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a kind of distance increasing unit assembly and electric car, belong to range extender of electric vehicle technical field, the distance increasing unit assembly includes engine, speed increaser and generator, the output end of engine and the input terminal of speed increaser connect, the output end of speed increaser and the rotor axis connection of generator, engine can be exported revolving speed and is promoted in the nominal speed range of generator by speed increaser, be operated with controlling generator in declared working condition.The output revolving speed of engine is promoted near the rated speed of generator by speed increaser, to make generator from inefficient band to window transition, the generating efficiency of generator is promoted, can be realized generator long-term work near declared working condition, the function that ensures to generate electricity is run reliably and with long-term, is not demagnetized；Meanwhile the generator volume of Same Efficieney can substantially be reduced；To effectively reduce production cost.The electric car includes above-mentioned distance increasing unit assembly.
Description
Technical field
The utility model relates to range extender of electric vehicle technical fields, and in particular to a kind of distance increasing unit assembly and electronic vapour
Vehicle.
Background technique
Electric car has many advantages, such as energy-saving and environmental protection, zero-emission, but the continual mileage of electric car is limited, does not arrive
Up to before destination, if the electric energy of battery has exhausted, electric car cannot advance, and at this moment battery is badly in need of electric energy supplement.
A kind of generating set --- distance increasing unit integrated by high efficiency, the engine of low emission and generator, can quickly give battery
Electric energy supplement solves the problems, such as that pure electric automobile continual mileage is short.Currently, distance increasing unit formula hybrid vehicle has become new energy
The trend of hybrid vehicle development, and power density, efficiency, reliability are undoubtedly measurement distance increasing unit generator system superiority and inferiority
Important evaluation index.Tradition permanent magnet synchronous motor is primarily present following deficiency at present: 1, efficiency is lower under low speed；2, high
Temperature, the lower easily demagnetization of high current work；3, at high cost.
Therefore it provides a kind of output power height, good reliability, at low cost, the distance increasing unit for meeting user usage requirements is urgently
Technical problem to be solved.
Utility model content
The first of the utility model is designed to provide a kind of distance increasing unit assembly, the distance increasing unit assembly by engine and
Speed increaser is set between motor, engine output revolving speed is risen near generator rated speed, distance increasing unit assembly is improved
Generating efficiency, the operational reliability of safeguards system, while the volume of generator can be reduced, reduce cost.
The second of the utility model is designed to provide a kind of electric car, and the electric car is total using above-mentioned distance increasing unit
At.
Based on above-mentioned first purpose, distance increasing unit assembly provided by the utility model, comprising: engine, speed increaser and power generation
Machine, the output end of the engine are connect with the input terminal of the speed increaser, the output end of the speed increaser and the generator
Rotor axis connection, the speed increaser can by the engine export revolving speed be promoted in the nominal speed range of generator,
It is operated with controlling the generator in declared working condition.
In above-mentioned technical proposal, speed increaser is connected between engine and generator, by speed increaser by the defeated of engine
Revolving speed is promoted near the rated speed of generator out, to make generator from inefficient band to window transition, promotes generator
Generating efficiency, can be realized generator long-term work near declared working condition, it is ensured that power generation function run reliably and with long-term, do not move back
Magnetic；Meanwhile the generator volume of Same Efficieney can substantially be reduced；To effectively reduce production cost.
Further, the speed increaser uses planetary gear mechanism.
Further, the speed increaser includes planet carrier, external gear, planetary gear and sun gear；The external gear respectively with
The planet carrier and the planetary gear engagement connection, the planetary gear also with the rotor axis connection of the generator, the sun
Wheel is connect with the output shaft of the engine and the external gear respectively, and the revolving speed of the engine output shaft successively passes through described
The armature spindle of the generator is driven to rotate after sun gear, the external gear, the planetary gear speedup to generator rated speed.
In above-mentioned technical proposal, rotatory force can be transferred to external gear by the output axis connection of planetary gear and engine, be led to
It crosses external gear and rotatory force is transmitted to planetary gear, rotatory force is finally transmitted to by planetary gear the armature spindle of generator, the planet
Gear mechanism has the characteristics that structure is simple, easy for installation, the revolving speed of engine effectively can be promoted to the specified of generator
Revolving speed promotes the generating efficiency of generator.
Further, the generator includes stator, rotor and armature spindle, the output of the armature spindle and the engine
Hold coaxially arranged, the armature spindle is connect with the planetary gear of the speed increaser.
In above-mentioned technical proposal, the armature spindle of generator and the output shaft of engine are coaxially arranged, have both improved gear biography
Dynamic precision improves NVH (noise, vibration and sound vibration roughness) performance, in turn simplifies manufacture difficulty and reduces costs.
It further, further include flywheel, the flywheel is connect with the output end of the engine.
In above-mentioned technical proposal, the function of flywheel is that repertory a part is dynamic in output shaft (crankshaft) transmitting power outward
Can, the energy that it is accumulated is released in the stroke of the unpowered generation of cylinder.Not only enable the engine to continuous running, moreover it is possible to
Make power output become uniformly, to mitigate vibration, ensures the stability of distance increasing unit assembly operating.
It further, further include distance increasing unit shell, the distance increasing unit shell is to accommodate the speed increaser and the power generation
Machine.
In above-mentioned technical proposal, distance increasing unit shell plays the role of assembly and protective effect to speed increaser and generator.
Further, the distance increasing unit shell has input port, the center of sun gear described in the input port face
Hole, output shaft of the input port to accommodate the engine.
Further, the distance increasing unit shell includes main casing, end cap and partition；The partition is arranged in main casing,
The main casing inner space can be divided by the partition to be used to install the first installation region of speed increaser and is used to install
Second installation region of generator, the partition middle part has through-hole, to assemble bearing and armature spindle；The end cap is divided into point
The first end cover and second end cover at main casing both ends are not set, the first end cover to close first installation region,
Input port is set in the first end cover, and the second end cover is to close second installation region.
In above-mentioned technical proposal, distance increasing unit shell has the characteristics that structure is simple, compact, small in size, convenient for generator
It is assembled respectively with speed increaser, to realize the purpose for reducing cost.
Further, it is used between the first end cover and second end cover and the main casing and is fixedly connected or detachably connects
It connects.
In above-mentioned technical proposal, two when detachable connection method being respectively adopted between end cap and main casing, convenient for master
The generator and speed increaser related components of enclosure interior are repaired, maintain and are replaced, and are reduced monolithic construction replacement and are brought
Cost problem.
Based on above-mentioned second purpose, a kind of electric car provided by the utility model, including above-mentioned distance increasing unit assembly.
By adopting the above technical scheme, the technical effect of distance increasing unit assembly provided by the utility model has: the Zengcheng device assembly
Including engine, speed increaser and generator, the output end of engine and the input terminal of speed increaser are connected, the output end of speed increaser with
Engine can be exported revolving speed and is promoted in the nominal speed range of generator by the rotor axis connection of generator, speed increaser, with
Generator is controlled to operate in declared working condition.
In above-mentioned technical proposal, speed increaser is connected between engine and generator, by speed increaser by the defeated of engine
Revolving speed is promoted near the rated speed of generator out, to make generator from inefficient band to window transition, promotes generator
Generating efficiency, can be realized generator long-term work near declared working condition, it is ensured that power generation function run reliably and with long-term, do not move back
Magnetic；Meanwhile the generator volume of Same Efficieney can substantially be reduced；To effectively reduce production cost.
Electric car provided by the utility model includes above-mentioned distance increasing unit assembly, above-mentioned excellent with the distance increasing unit assembly
Point, which is not described herein again.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of distance increasing unit assembly provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the speed increaser of distance increasing unit assembly provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the generator of distance increasing unit assembly provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the distance increasing unit shell of distance increasing unit assembly provided by the embodiment of the utility model.
Appended drawing reference: 100- engine；110- output shaft；200- speed increaser；210- planet carrier；220- external gear；230-
Planetary gear；240- sun gear；300- generator；310- stator；320- rotor；330- armature spindle；340- fore bearing；350- rear axle
It holds；400- flywheel；500- input port；510- main casing；520- partition；530- first end cover；540- second end cover.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It please refers to shown in Fig. 1, distance increasing unit assembly provided by the utility model, comprising: engine 100, speed increaser 200 and hair
The output end of motor 300, engine 100 is connect with the input terminal of speed increaser 200, the output end and generator 300 of speed increaser 200
Armature spindle 330 connect, engine 100 can be exported revolving speed and be promoted to the nominal speed range of generator 300 by speed increaser 200
It is interior, it is operated with controlling generator 300 in declared working condition.
In above-mentioned technical proposal, speed increaser 200 is connected between engine 100 and generator 300, passes through speed increaser 200
The output revolving speed of engine 100 is promoted near the rated speed of generator 300, thus make generator 300 from inefficient band to
Window transition promotes the generating efficiency of generator 300, can be realized 300 long-term work of generator near declared working condition, really
Protecting generator 300 can run reliably and with long-term, and the loss of generator 300 accordingly reduces, and temperature rise reduces, and not demagnetize；Meanwhile it can incite somebody to action
300 volume of generator of Same Efficieney substantially reduces；To effectively reduce production cost.
In one preferred embodiment, above-mentioned speed increaser 200 uses planetary gear mechanism.
Specifically, referring to figure 2., the speed increaser 200 using planetary gear mechanism include planet carrier 210, external gear 220,
Planetary gear 230 and sun gear 240.
External gear 220 engages connection with planet carrier 210 and planetary gear 230 respectively, planetary gear 230 also with generator 300
Armature spindle 330 connects, and sun gear 240 is connect with the output shaft 110 of engine 100 and external gear 220 respectively, and engine 100 is defeated
The revolving speed of the shaft 110 successively band after sun gear 240, external gear 220,230 speedup of planetary gear to 300 rated speed of generator
The armature spindle 330 of dynamic generator 300 rotates.
In above-mentioned technical proposal, planetary gear 230 is connect with the output shaft 110 of engine 100, and planetary gear 230 can will be sent out
The rotatory force of motivation 100 is transferred to external gear 220, and rotatory force is transmitted to planetary gear 230 by external gear 220, utilizes planet
Wheel 230 promotes the revolving speed of engine 100, and rotatory force is finally transmitted to by planetary gear 230 armature spindle 330 of generator 300, into
And promote the revolving speed of rotor 320.
The planetary gear mechanism has the characteristics that structure is simple, easy for installation, can effectively mention the revolving speed of engine 100
The rated speed of generator 300 is risen to, the generating efficiency of generator 300 is promoted.
By formulaIt learns, power is equal to torque multiplied by revolving speed divided by 9550；The motor speed liter of same power
Height, torque will reduce, and the output of the torque of motor is depended on to the size of constant current, therefore the motor of Same Efficieney passes through speedup
Torque is dropped, reaches reduction motor volume, reduces the purpose of cost.
In addition, it is necessary to explanation, above-mentioned speed increaser is not limited solely to above-mentioned epicyclical gear train mechanism, can also be with
It is replaced using the gear-box of other forms, the purpose is to specified turns that the revolving speed for exporting engine increases to generator
Speed, to promote the service efficiency of generator.
Referring to figure 3., in a preferred embodiment, which includes stator 310, rotor 320 and armature spindle
330。
Stator 310 is arranged outside rotor 320, and armature spindle 330 is connect with rotor 320, when it is implemented, making armature spindle
330 is coaxially arranged with the output shaft 110 of engine 100, and armature spindle 330 is connect with the planetary gear 230 of speed increaser 200.
In above-mentioned technical proposal, the armature spindle 330 of generator 300 and the output shaft 110 of engine 100 are coaxially arranged, both
It improves gear-driven precision, improve NVH (noise, vibration and sound vibration roughness) performance, in turn simplify manufacture difficulty and drop
Low cost.
Also, after the speed-raising for passing through speed increaser 200, the volume of generator 300 can reduce, reduce manufacturing cost.
Please refer to Fig. 1, in a preferred embodiment, which further includes flywheel 400, flywheel 400 with start
The output end (i.e. output shaft 110) of machine 100 connects.
In above-mentioned technical proposal, by taking 100 cylinder of four-stroke engine as an example, only one stroke is generated in four strokes
Power, other three strokes will consume power.In the course of work of output shaft 110 (crankshaft), the power on piston be also with
Burning expansion and it is first big after small, so the rotation of output shaft 110 (crankshaft) is highly non-uniform.The function of flywheel is to export
A part of kinetic energy of repertory when axis 110 (crankshaft) transmits power outward, releases it in the stroke of the unpowered generation of cylinder and is accumulated
The energy deposited.Not only enable 100 continuous running of engine, moreover it is possible to power output be made to become uniformly, to mitigate vibration, ensure the increasing
The stability of journey device assembly operating.The diameter and weight of flywheel then depend on the number of cylinders of engine 100.
Referring to figure 4., in a preferred embodiment, which further includes distance increasing unit shell, distance increasing unit shell
To accommodate speed increaser 200 and generator 300.
In above-mentioned technical proposal, distance increasing unit shell plays the role of assembly and protection to speed increaser 200 and generator 300
Effect.
In one preferred embodiment, above-mentioned distance increasing unit shell has an input port 500, the input port 500
The centre bore of face sun gear 240, output shaft 110 of the input port 500 to accommodate engine 100.
In one preferred embodiment, which includes main casing 510, end cap and partition 520.
Partition 520 is arranged in main casing 510, and 510 inner space of main casing can be divided by partition 520 to be used to install
First installation region of speed increaser 200 and the second installation region for installing generator 300,
There is through-hole, the interior fore bearing 340 to assemble generator 300 of the through-hole, the fore bearing 340 in the middle part of partition 520
It is interior to assemble armature spindle 330；The armature spindle 330 can extend into being connect in the first installation region with planetary gear 230.
End cap is divided into the first end cover 530 and second end cover 540 for being separately positioned on 510 both ends of main casing, first end cover 530
To close the first installation region, input port 500 is set, which is to accommodate hair in the middle part of first end cover 530
100 output shaft 110 of motivation, is connected convenient for the output shaft 110 with sun gear 240.
Second end cover 540 is then to close the second installation region.In addition, second end cover 540 also acts as connection generator 300
Rear bearing effect, and support is played the role of to armature spindle 330 by rear bearing.
In above-mentioned technical proposal, the distance increasing unit shell of use has the characteristics that structure is simple, compact, small in size, convenient for pair
Generator 300 and speed increaser 200 are assembled respectively, to realize the purpose for reducing cost.
In one preferred embodiment, connected between first end cover 530 and second end cover 540 and main casing 510 using fixed
It connects or is detachably connected.
In above-mentioned technical proposal, when detachable connection method is respectively adopted between two end caps and main casing 510, it is convenient for
To inside main casing 510 generator 300 and 200 related components of speed increaser repair, maintain and replace, reduce monoblock type
Structure replaces bring cost problem.
The above-mentioned distance increasing unit assembly that technical scheme uses, compared with the prior art in traditional permanent magnet synchronous electric equipment
It has the advantage that
1, coaxial mounted engine 100 can be exported revolving speed to be promoted near 300 rated speed of generator, Ke Yishi
The inefficient band of existing generator 300 can effectively promote the generating efficiency of distance increasing unit assembly to the excessive of window, reduce energy
Loss.
2, it can be realized 300 long-term work of generator near declared working condition, it is ensured that generator 300 can be transported reliably and with long-term
Row, does not demagnetize.
3,300 volume of generator of Same Efficieney can substantially be reduced, to effectively reduce production cost.
In addition, the utility model additionally provides a kind of electric car, which includes above-mentioned distance increasing unit assembly.It is right
In the structure and advantage of the distance increasing unit assembly, which is not described herein again.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of distance increasing unit assembly characterized by comprising engine (100), speed increaser (200) and generator (300), institute
The output end for stating engine (100) is connect with the input terminal of the speed increaser (200), the output end of the speed increaser (200) with
The armature spindle (330) of the generator (300) connects, and the engine (100) can be exported revolving speed by the speed increaser (200)
It is promoted in the nominal speed range of generator (300), is operated with controlling the generator (300) in declared working condition.
2. distance increasing unit assembly according to claim 1, which is characterized in that the speed increaser (200) uses planetary gear machine
Structure.
3. distance increasing unit assembly according to claim 2, which is characterized in that the speed increaser (200) includes planet carrier
(210), external gear (220), planetary gear (230) and sun gear (240)；The external gear (220) respectively with the planet carrier
(210) it is connected with the planetary gear (230) engagement, armature spindle of the planetary gear (230) also with the generator (300)
(330) connect, the sun gear (240) respectively with the output shaft (110) of the engine (100) and the external gear (220)
Connection, the revolving speed of engine (100) output shaft (110) successively pass through the sun gear (240), the external gear (220),
The armature spindle (330) of the generator (300) is driven to turn after planetary gear (230) speedup to generator (300) rated speed
It is dynamic.
4. distance increasing unit assembly according to claim 1, which is characterized in that the generator (300) include stator (310),
Rotor (320) and armature spindle (330), the armature spindle (330) and the output end of the engine (100) are coaxially arranged, described
Armature spindle (330) is connect with the planetary gear (230) of the speed increaser (200).
5. distance increasing unit assembly according to claim 1-4, which is characterized in that it further include flywheel (400), it is described to fly
Wheel (400) is connect with the output end of the engine (100).
6. distance increasing unit assembly according to claim 1-4, which is characterized in that it further include distance increasing unit shell, it is described
Distance increasing unit shell is to accommodate the speed increaser (200) and the generator (300).
7. distance increasing unit assembly according to claim 5, which is characterized in that the distance increasing unit shell has input port
(500), the centre bore of input port (500) the face sun gear (240), the input port (500) are described to accommodate
The output shaft (110) of engine (100).
8. distance increasing unit assembly according to claim 6, which is characterized in that the distance increasing unit shell include main casing (510),
End cap and partition (520)；In main casing (510), the partition (520) can be by the main casing for partition (520) setting
Body (510) inner space is divided into the first installation region for installing speed increaser (200) and for installing generator (300)
Second installation region, partition (520) middle part has through-hole, to assemble bearing and armature spindle (330)；The end cap is divided into
Be separately positioned on the first end cover (530) and second end cover (540) at main casing (510) both ends, the first end cover (530) to
First installation region is closed, input port (500) are set on the first end cover (530), the second end cover (540) is used
To close second installation region.
9. distance increasing unit assembly according to claim 8, which is characterized in that the first end cover (530) and second end cover
(540) it is used between the main casing (510) and is fixedly connected or is detachably connected.
10. a kind of electric car, which is characterized in that including distance increasing unit assembly described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178256.XU CN209566798U (en) | 2019-01-31 | 2019-01-31 | Distance increasing unit assembly and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178256.XU CN209566798U (en) | 2019-01-31 | 2019-01-31 | Distance increasing unit assembly and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209566798U true CN209566798U (en) | 2019-11-01 |
Family
ID=68333477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920178256.XU Active CN209566798U (en) | 2019-01-31 | 2019-01-31 | Distance increasing unit assembly and electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209566798U (en) |
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2019
- 2019-01-31 CN CN201920178256.XU patent/CN209566798U/en active Active
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