CN105281604B - A kind of use piezo-electric stack realizes the generating cylinder of efficiently prisoner's energy - Google Patents
A kind of use piezo-electric stack realizes the generating cylinder of efficiently prisoner's energy Download PDFInfo
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- CN105281604B CN105281604B CN201510843042.6A CN201510843042A CN105281604B CN 105281604 B CN105281604 B CN 105281604B CN 201510843042 A CN201510843042 A CN 201510843042A CN 105281604 B CN105281604 B CN 105281604B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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Abstract
The invention discloses the generating cylinder that a kind of use piezo-electric stack realizes efficiently prisoner's energy, to solve the problems such as current pneumatic piezoelectricity generating device structure is complicated, capacity usage ratio is low, noise is big.The present invention includes cylinder body and piezoelectric generating device two parts, and the TRT is connected by screw thread pair with cylinder rear end.The piezoelectric generating device is made up of chamber end cap, generating cavity, electrification component, and the electrification component is single stack electrification component or stacked array formula electrification component.Electrification component is squeezed in the presence of the impact of compressed air, gas pressure and pressure oscillation makes piezo-electric stack produce mechanical deformation, and is resetted in low pressure, and electric energy is produced based on piezo-electric effect.The present invention has that simple in construction, capacity usage ratio is high, noise is small and the low technical advantage of cost, the electric energy of generation can be collected into arrangement by energy storage rectifier circuit, be that Internet of things node is energized.The present invention has broad application prospects in pneumatics field.
Description
Technical field
The present invention relates to the generating cylinder that a kind of use piezo-electric stack realizes efficiently prisoner's energy, belong to pneumatics field.
Background technology
Pneumatics is, using air compressor as power source, using compressed air as working media, to carry out energy and signal is passed
The engineering technology passed, is to realize one of important means of automated production and Industry Control, so that its cost is low, pollution is small, easy tune
The advantages of control, is widely used in the fields such as processing, manufacture, automobile production.With continuing to develop for pneumatics, people are to gas
The requirement of dynamic system intelligent also more and more higher, application of the technology of Internet of things in pneumatic system is then to realize pneumatics intelligence
One of major way of change.At present, Internet of things node is generally made up of sensor and wireless communication module in pneumatic system, and it is supplied
Electrically general to be powered using external circuitses and battery, external circuitses are powered, and Hui Shi pneumatic systems supply line is complicated, and increase is
Cost and degree of difficulty that system is safeguarded；And battery is powered, there is that battery volume is big, service life is short, need to frequently change etc. and to ask
Topic, it is difficult to meet the requirement of sensor and wireless communication module continuous firing；Meanwhile, battery contains at heavy metal, old and useless battery
Reason is improper to make serious environmental pollution.
Because pneumatic system energy itself is big, capture pneumatic system energy is that Internet of things node energy supply has good development
Prospect.Existing Chinese utility model patent《Pneumatic electric generator》, Authorization Notice No. is the U of CN 201898457, authorized announcement date
For 2011.07.13, a kind of pneumatic electric generator, including aerating device, sealing container, control device and piezo-electric crystal are disclosed, is filled
Device of air is connected with sealing container and inflated to sealing container, and control device is connected with sealing container, and control device is close to piezoelectricity
Crystal is installed, and the active force of air-flow is delivered to piezo crystals by the compressed air formation air-flow in sealing container by control device
Body, makes piezo-electric crystal convert mechanical energy into electric energy, is used for the electrical appliance electrically connected with piezo-electric crystal.Chinese invention patent
《A kind of piezoelectric generating device based on excitation of fluidic micro oscillator》, application publication number is the A of CN 102594202, Shen Qing Publication
Day is 2012.07.18, discloses a kind of piezoelectric generating device based on excitation of fluidic micro oscillator, and the device includes housing, bistable
Fluidic, the first vibration chamber, the second vibration chamber and output circuit；First vibration chamber and the second vibration chamber are arranged symmetrically in bistable
The left and right sides of fluidic；Diaphragm is respectively equipped with the first vibration chamber and the second vibration chamber, piezoelectric patches is provided with diaphragm,
Bistable fluidic air inlet is connected with the exhaust outlet of pneumatic equipment.Due to the wall attachment effect of bistable fluidic, gas is repeatedly
Circulate in both sides vibration chamber and form oscillating gas, oscillating air flow drives the diaphragm vibration on chamber in vibration chamber, diaphragm shakes
The piezoelectric patches vibration deformation of dynamic driving thereon produces electric charge.There is generating device structure complexity, space-consuming in above-mentioned prior art
It is big and be difficult to it is integrated with miniaturization the problems such as；Simultaneously because the TRT disclosed in above-mentioned technical proposal is to adopt
With carried out under open environment gas shock prisoner can, there are problems that capacity usage ratio is low, noise.
The content of the invention
In order to solve the problems such as above-mentioned pneumatic piezoelectricity generating device structure is complicated, capacity usage ratio is low, noise is big, the present invention
The generating cylinder that a kind of use piezo-electric stack realizes efficiently prisoner's energy is disclosed.
The technical solution adopted in the present invention is：A kind of use piezo-electric stack realize efficient prisoner can generating cylinder by
Cylinder and piezoelectric generating device composition, the cylinder rear end cap center is provided with internal thread one, the piezoelectric generating device bag
Chamber end cap, generating cavity, electrification component are included, the side end of chamber end cap one is provided with external screw thread one, and it is used for and cylinder
The internal thread one of rear end cap center screws connection, to realize being fastenedly connected for cylinder and piezoelectric generating device, the cavity
The center of external screw thread one of end cap is provided with through hole, its gas circulation being used to realize in cylinder between piezoelectric generating device,
The chamber end cap end side is provided with external screw thread two, and it, which is used to screw with the internal thread two of generating cavity, is connected, to realize
Chamber end cap is fastenedly connected with generating cavity, and the generating cavity hatch end is provided with internal thread two, and it is used for and chamber end cap
External screw thread one screws connection, and the generating inside cavity center is provided with inner volume, for the mounting arrangements of electrification component,
The bottom end face one of generating cavity and the gluing connection of metal substrate one in electrification component, generating inside cavity bottom is provided with wire
Hole, it is used for the extraction for realizing electrification component wire.
The electrification component is single stack electrification component or stacked array formula electrification component.
Single stack electrification component is made up of piston one, piezo-electric stack and metal substrate one, in the middle of the piston one
Part is provided with annular groove one, the mounting arrangements for realizing sealing ring one in piston, and the sealing ring one is installed on annular recessed
It is described to realize being tightly connected for piston one and generating cavity, the one end of piston one and the gluing connection in piezo-electric stack one end in groove one
Piezo-electric stack one end and the gluing connection in the one end of piston one, the other end and the gluing connection in the one end of metal substrate one, realize piezo-electric stack
Fixation, described one end of metal substrate one and the gluing connection in piezo-electric stack one end, the other end and the gluing company in the one end of bottom end face one
Connect.
The stacked array formula electrification component is made up of piston two, piezo-electric stack array and metal substrate two, the piston
Two center sections are provided with annular groove two, and the mounting arrangements for realizing sealing ring two in piston, the sealing ring two is installed on
In annular groove two, to realize being tightly connected for piston two and generating cavity, the one end of piston two and piezo-electric stack array one end glue
It is connected, the piezo-electric stack array is made up of n piezo-electric stack in same plane array, n is the positive integer more than 1, one
End and the gluing connection in the one end of piston two, the other end and the gluing connection in the one end of metal substrate two, realize the fixation of piezo-electric stack array,
Described one end of metal substrate two and the gluing connection in piezo-electric stack array one end, the other end and the gluing connection in the one end of bottom end face one,
In the piezo-electric stack array between each piezo-electric stack and piezo-electric stack array and generating cavity inner wall leave space, keep away
Exempt to produce interference after piezo-electric stack array deformation.
The beneficial effects of the invention are as follows：The present invention can capture the kinetic energy of gas shock and the pressure energy of compressed gas, generate electricity
Process is divided into three phases：Impact process generates electricity, pressure maintaining period generates electricity and resets generating.Impact process generates electricity to be rushed by air-flow
The electrification component hit in piezoelectric generating device makes wherein piezo-electric stack produce deformation to produce electric energy；Pressure maintaining period, which generates electricity, works as
When compressed gas promotion piston makes cylinder proper motion, the pressure oscillation produced in motion process makes piezo-electric stack produce deformation,
When air pressure reaches stable state in cylinder, it is maximum so as to produce maximum electricity that gas pressure reaches piezo-electric stack deformation；Reset hair
Electricity reduces rapidly in exhaust phase cavity pressure resets electrification component, and piezo-electric stack is produced in electrification component in reseting procedure
Negative voltage, the power generation process of a cycle is completed when negative voltage is reduced to zero.This process is effectively increased waveform
Bandwidth is so as to increase the generated energy of electrification component.The present invention has that simple in construction, capacity usage ratio is high, noise is small and cost
Low technical advantage, can be collected arrangement by energy storage rectifier circuit by the electric energy of generation in addition, be that Internet of things node is carried out
Energy supply, the invention has broad application prospects in pneumatics field.
Brief description of the drawings
Fig. 1 show the generating air cylinder structure signal that a kind of use piezo-electric stack proposed by the present invention realizes efficiently prisoner's energy
Figure；
Fig. 2 show a kind of use piezo-electric stack proposed by the present invention and realizes cylinder in the efficiently generating cylinder of prisoner's energy
Structural representation；
Fig. 3 show a kind of use piezo-electric stack proposed by the present invention and realizes that piezoelectricity is sent out in the efficiently generating cylinder of prisoner's energy
The sectional view of electric installation；
Fig. 4 show the generating cylinder lumen body end that a kind of use piezo-electric stack proposed by the present invention realizes efficiently prisoner's energy
The sectional view of lid；
Fig. 5 show a kind of use piezo-electric stack proposed by the present invention and realizes the chamber that generated electricity in the efficiently generating cylinder of prisoner's energy
The sectional view of body；
Fig. 6 show in a kind of generating cylinder of the efficient prisoner's energy of use piezo-electric stack realization proposed by the present invention and singly stacked
The sectional view of formula electrification component；
Fig. 7 show in a kind of generating cylinder of the efficient prisoner's energy of use piezo-electric stack realization proposed by the present invention and stacks battle array
The sectional view of column electrification component.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 ~ Fig. 6.
Present embodiment provides the specific embodiment that a kind of use piezo-electric stack realizes the efficiently generating cylinder of prisoner's energy.Institute
State a kind of use piezo-electric stack and realize that the generating cylinder of efficiently prisoner's energy is made up of cylinder 1 and piezoelectric generating device 2.
The cylinder 1 can be double-acting cylinder (SMC companies MBB50-100 double-acting cylinders)；In the rear end cap of cylinder 1
Heart position is provided with the 1-1 of internal thread one；The piezoelectric generating device 2 includes chamber end cap 2-1, generating cavity 2-2, electrification component 2-
3。
The side ends of chamber end cap 2-1 mono- are provided with the 2-1-2 of external screw thread one, and it is used for and the rear end cap centre bit of cylinder 1
The 1-1 of internal thread one put screws connection, to realize being fastenedly connected for cylinder 1 and piezoelectric generating device 2；The chamber end cap 2-1
The 2-1-2 centers of external screw thread one be provided with through hole 2-1-1 structures, it is used to realize in cylinder 1 between piezoelectric generating device 2
Gas circulation；The chamber end cap 2-1 end sides are provided with the 2-1-3 of external screw thread two, and it is used for generating cavity 2-2's
The 2-2-1 of internal thread two screws connection, to realize that chamber end cap 2-1 is fastenedly connected with generating cavity 2-2.
The generating cavity 2-2 openends are provided with the 2-2-1 of internal thread two, and it is used for the external screw thread one with chamber end cap 2-1
2-1-2 screws connection；The generating cavity 2-2 inner hub locations are provided with inner volume 2-2-2, for electrification component 2-3's
Mounting arrangements；The 2-3-3 of metal substrate one passes through asphalt mixtures modified by epoxy resin in generating cavity the 2-2 2-2-4 of bottom end face one and electrification component 2-3
The gluing connection of fat glue；Generating cavity 2-4 inner bottoms are provided with wire guide 2-2-3, and it is used to realize drawing for electrification component 2-3 wires
Go out.
The electrification component 2-3 is a kind of single stack electrification component, by the 2-3-1 of piston one, piezo-electric stack 2-3-2 and gold
Belong to the 2-3-3 of substrate one compositions, the 2-3-1 center sections of piston one are provided with the 2-3-1-1 of annular groove one, for realizing in piston
The 2-3-1-2 of sealing ring one mounting arrangements；The 2-3-1-2 of sealing ring one is installed in the 2-3-1-1 of annular groove one, with reality
The existing 2-3-1 of piston one and generating cavity 2-2's is tightly connected；The 2-3-1 one end of piston one passes through epoxide-resin glue and piezo-electric stack
The gluing connection in 2-3-2 one end；Described piezo-electric stack 2-3-2 one end passes through epoxide-resin glue and the gluing company in 2-3-1 one end of piston one
Connect, the other end realizes piezo-electric stack 2-3-2 fixation by epoxide-resin glue and the gluing connection in the 2-3-3 one end of metal substrate one；
Described 2-3-3 one end of metal substrate one passes through ring by epoxide-resin glue and the gluing connection in piezo-electric stack 2-3-2 one end, the other end
Oxygen resin glue and the gluing connection in the 2-2-4 one end of bottom end face one.
The specific electricity generating principle of present embodiment：The Axial Loads produced using pneumatic compression air are in electrification component
2-3 upper surfaces, make piezo-electric stack 2-3-2 produce deformation, so as to excite piezo-electric stack 2-3-2 to produce electric energy.Compressed air can be pushed away
Piston makes the normal work of cylinder 1, in the motion process of cylinder 1, because the internal capacity of cylinder 1 produces change, so as to cause
Compressed gas produces fluctuation, and this wave characteristic can make the compressed air of unstable state constantly apply friendship to electrification component 2-3
The active force of change, so that piezo-electric stack 2-3-2 produces deformation repeatedly, this process is effectively increased waveform bandwidth to increase
Big electrification component 2-3 generated energy.A kind of use piezo-electric stack proposed by the present invention realizes the generating cylinder of efficient prisoner's energy
Power generation process can be divided into three phases：Impact process generates electricity, pressure maintaining period generates electricity and reseting procedure generates electricity.Specific power generation process is such as
Under：Power generating stage is impacted, the gas that cylinder 1 is flowed into by rear end cap stomata a, part passes through the logical of the side ends of cavity body structure 2-1 mono-
Hole 2-1-1 enters piezoelectric generating device 2, and directly impacting electrification component 2-3 into the air-flow in TRT 2 makes wherein piezoelectric pile
Folded 2-3-2 produces deformation, so as to produce electric energy；Pressurize power generating stage, with the increase for entering the gas flow of cylinder 1, compressed air
Promote piston to make the proper motion of cylinder 1, unstable gas ripple can be produced in cylinder 1 and piezoelectric generating device 2 during piston movement
It is dynamic, constantly apply the active force of alternation to electrification component 2-3, make the deformation of wherein piezo-electric stack 2-3-2 generations repeatedly, work as gas
When air pressure reaches stable state in cylinder 1, piezo-electric stack 2-3-2 produces deformation and reaches maximum, and piezo-electric stack 2-3-2 produces maximum forward direction
Voltage；It is the through hole that gas passes through the side ends of cavity body structure 2-1 mono- when cylinder 1 is in rear end cap stomata and is vented to reset generating
2-1-1 is discharged, and the air pressure inside of piezoelectric generating device 2 reduces, and electrification component 2-3 is resetted, so as to there is negative electricity output, works as negative sense
When voltage is reduced to zero, the present invention completes the power generation process of a cycle.The above-mentioned course of work is repeated, can be achieved the present invention's
It is continuous to generate electricity.
Embodiment two：Illustrate present embodiment with reference to Fig. 7.
Present embodiment provides the specific embodiment that a kind of use piezo-electric stack realizes the efficiently generating cylinder of prisoner's energy.Its
Structure composition and connected mode are identical with embodiment one, and difference is that the electrification component 2-3 stacks to be a kind of
Array power generating component, is made up of, the piston the 2-3-4 of piston two, piezo-electric stack array 2-3-5 and the 2-3-6 of metal substrate two
Two 2-3-4 center sections are provided with the 2-3-4-1 of annular groove two, the installation cloth for realizing the 2-3-4-2 of sealing ring two in piston
Put；The 2-3-4-2 of sealing ring two is installed in the 2-3-4-1 of annular groove two, to realize the 2-3-4 of piston two and generating cavity
2-2's is tightly connected；The 2-3-4 one end of piston two passes through epoxide-resin glue and the gluing connection in piezo-electric stack array 2-3-5 one end；Institute
State piezo-electric stack array 2-3-5 to be made up of in same plane array n piezo-electric stack, n is the positive integer more than 1, the piezoelectricity
Stacked array 2-3-5 one end passes through epoxide-resin glue by epoxide-resin glue and the gluing connection in the 2-3-4 one end of piston two, the other end
With the gluing connection in the 2-3-6 one end of metal substrate two, being fixedly connected for piezo-electric stack array 2-3-5 is realized；The metal substrate two
2-3-6 one end by epoxide-resin glue and the gluing connection in piezo-electric stack array 2-3-5 one end, the other end by epoxide-resin glue with
The gluing connection in the 2-2-4 one end of bottom end face one；In the piezo-electric stack array 2-3-5 between each piezo-electric stack and piezoelectric pile
Folded array 2-3-5 and generating cavity 2-2 inwalls leave space, it is to avoid produce interference after piezo-electric stack array 2-3-5 deformations.
The electricity generating principle process of present embodiment is identical with the electricity generating principle of embodiment one.
Claims (3)
1. a kind of use piezo-electric stack realizes the generating cylinder of efficiently prisoner's energy, it is characterised in that：Described one kind uses piezo-electric stack
Realize that the generating cylinder of efficiently prisoner's energy is made up of cylinder (1) and piezoelectric generating device (2), the cylinder（1）Rear end cap centre bit
Internal thread one is installed（1-1）, the piezoelectric generating device（2）Including chamber end cap（2-1）, generating cavity (2-2), generating set
Part（2-3）, the chamber end cap（2-1）One side end is provided with external screw thread one（2-1-2）, it is used for and cylinder（1）Rear end cap
The internal thread one of center（1-1）Connection is screwed, to realize cylinder（1）With piezoelectric generating device（2）Be fastenedly connected, it is described
Chamber end cap（2-1）External screw thread one（2-1-2）Center is provided with through hole（2-1-1）, it is used to realize cylinder（1）In with pressure
Electric TRT（2）Between gas circulation, the chamber end cap（2-1）End side is provided with external screw thread two（2-1-3）, its
For with generating cavity（2-2）Internal thread two（2-2-1）Connection is screwed, to realize chamber end cap（2-1）With generating cavity（2-
2）It is fastenedly connected, the generating cavity（2-2）Openend is provided with internal thread two（2-2-1）, it is used for and chamber end cap（2-1）'s
External screw thread one（2-1-2）Connection is screwed, generating cavity (2-2) inner hub location is provided with inner volume（2-2-2）, it is used for
Electrification component（2-3）Mounting arrangements, generating cavity（2-2）Bottom end face one（2-2-4）With electrification component（2-3）Middle metal
Substrate one（2-3-3）Gluing connection, generating cavity (2-4) inner bottom is provided with wire guide（2-2-3）, it is used to realize generating set
Part（2-3）The extraction of wire.
2. a kind of use piezo-electric stack according to claim 1 realizes the generating cylinder of efficiently prisoner's energy, it is characterised in that：Institute
State electrification component（2-3）For a kind of single stack electrification component, by piston one（2-3-1）, piezo-electric stack（2-3-2）And Metal Substrate
Plate one（2-3-3）Composition, the piston one（2-3-1）Center section is provided with annular groove one（2-3-1-1）, for realizing piston
Middle sealing ring one（2-3-1-2）Mounting arrangements, the sealing ring one（2-3-1-2）It is installed on annular groove one（2-3-1-
1）In, to realize piston one（2-3-1）With generating cavity（2-2）Be tightly connected, piston one（2-3-1）One end and piezo-electric stack
（2-3-2）The gluing connection in one end, the piezo-electric stack（2-3-2）One end and piston one（2-3-1）The gluing connection in one end, the other end
With metal substrate one（2-3-3）The gluing connection in one end, realizes piezo-electric stack（2-3-2）Fixation, the metal substrate one（2-3-
3）One end and piezo-electric stack（2-3-2）The gluing connection in one end, the other end and the gluing connection in bottom end face one (2-2-4) one end.
3. a kind of use piezo-electric stack according to claim 1 realizes the generating cylinder of efficiently prisoner's energy, it is characterised in that：Institute
State electrification component（2-3）For a kind of stacked array formula electrification component, by piston two（2-3-4、）Piezo-electric stack array（2-3-5）With
Metal substrate two（2-3-6）Composition, the piston two（2-3-4）Center section is provided with annular groove two（2-3-4-1）, for reality
Sealing ring two in existing piston（2-3-4-2）Mounting arrangements, the sealing ring two（2-3-4-2）It is installed on annular groove two
（2-3-4-1）In, to realize piston two（2-3-4）With generating cavity（2-2）Be tightly connected, piston two（2-3-4）One end with
Piezo-electric stack array（2-3-5）The gluing connection in one end, the piezo-electric stack array（2-3-5）By n piezo-electric stack same flat
Face array composition, n is the positive integer more than 1, its one end and piston two（2-3-4）The gluing connection in one end, the other end and Metal Substrate
Plate two（2-3-6）The gluing connection in one end, realizes piezo-electric stack array（2-3-5）Fixation, the metal substrate two（2-3-6）One
End and piezo-electric stack array（2-3-5）The gluing connection in one end, the other end and bottom end face one（2-2-4）The gluing connection in one end, institute
State piezo-electric stack array（2-3-5）In between each piezo-electric stack and piezo-electric stack array（2-3-5）With generating cavity（2-2）
Inwall all leaves space, it is to avoid piezo-electric stack array（2-3-5）Interference is produced after deformation.
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| US6522048B1 (en) * | 2001-08-20 | 2003-02-18 | Ocean Power Technologies, Inc. | Sensors for power conversion systems |
| US6940209B2 (en) * | 2003-09-08 | 2005-09-06 | New Scale Technologies | Ultrasonic lead screw motor |
| US6983895B2 (en) * | 2003-10-09 | 2006-01-10 | Siemens Aktiengesellschaft | Piezoelectric actuator with compensator |
| JP4248574B2 (en) * | 2006-11-15 | 2009-04-02 | 英男 須長 | Tidal power generator |
| KR101251412B1 (en) * | 2012-06-22 | 2013-04-05 | 건국대학교 산학협력단 | Magnetically driven the development device generating unit using piezo-composite materials |
| CN205195596U (en) * | 2015-11-30 | 2016-04-27 | 长春工业大学 | Adopt piezoelectricity to pile up electricity generation cylinder of realizing high -efficient prisoner's ability |
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