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44results about How to "Increase the frequency of movement" patented technology

Linear servo control bar-crossing system of warp knitting machine

The invention relates to a textile machine, specifically a straight servo control guide bar shogging system of warp knitting machine. The straight servo control guide bar shogging system of warp knitting machine in the invention uses fieldbus technology, the system architecture is three-level network distributed control system based on CAN bus, among them, the first level is management layer, the central controller is IPC machine used for inputting pattern schema, controlling production, proofing and detecting pattern schema data, network communication; the second level is control layer which is the separated independent control unit composed by embedded microcontroller, it is used for receiving and storing the pattern schema parameters relative with rack knitting and transmitted by IPC and completing parameter proofing and detecting associated with IPC; the third level is on-site layer which includes servo driver, cylindrical straight servo motor, linking devices and rack, it can drive guide bar based on the order signals transmitted from control layer. The invention has the characteristics of accurate control, convenient and fast pattern schema replacement and high speed of pattern schema replacement, it can produce products with various pattern schemas and increase warp knitting production efficiency greatly.
Owner:JIANGNAN UNIV

Piezoelectric/electrostrictive device

A piezoelectric / electrostrictive device has a rotor substantially in the form of a rectangular parallelepiped, and a rotary actuator for angularly displacing the rotor 12. The rotary actuator includes a stationary member, a first vibratory plate and a second vibratory plate extending in one direction from opposite sides of the stationary member, a first piezoelectric / electrostrictive element for actuating the first vibratory plate, and a second piezoelectric / electrostrictive element for actuating the second vibratory plate. The rotor includes a pair of opposite surfaces, one of the surfaces having a first end secured to an end of the first vibratory plate and a second end, which is diagonally opposite to the first end, and which is secured to an end of the second vibratory plate.
Owner:NGK INSULATORS LTD

Tricot machine comb racking-movement device driven by linear servo motor

InactiveCN101070661ALarge pattern traverse rangeSave storage and maintenanceWarp knittingElectric machineryStator
This invention belongs to an implementing institution served as warp knitting machine's electron comb moves system. To be specific is one kind of flat straight line servo motor-driven warp knitting machine combs moves installment. According to this invention's technical program, installs the flat straight line servo electrical machinery stator on the warp knitting machine rack, and the flat straight line servo electricity mobile may move about the flat straight line servo electrical machinery stator, connects the stay rod to the left end of flat straight line servo electricity mobile; set up warp knitting machine in the warp knitting machine rack's left side, stay rod's left side connected with combs. This invention may reduce the breakdown, raises the production efficiency and the product quality.
Owner:JIANGNAN UNIV

Integrated multi-group pneumatic high-frequency electromagnetic valve and working method thereof

The invention relates to an integrated multi-group pneumatic high-frequency electromagnetic valve and a working method thereof. The integrated multi-group pneumatic high-frequency electromagnetic valve is characterized that the valve comprises a main valve body, an integrated air inlet connecting plate assembly installed above the main valve body and an integrated air outlet assembly installed below the main valve body; the main valve body includes a main valve body function plate and a main valve body airway adapter plate located below the main valve body function plate, valve magnetic coresare disposed in the main valve body function plate and are annularly arranged correspondingly, the periphery of the valve magnetic cores is sleeved with a magnetic coil, the magnetic coil is sleeved with an excitation copper coil, the magnetic coil is connected with a valve circuit board through a terminal, and an insulating plastic board is arranged under the valve circuit board. In summary, theintegrated multi-group pneumatic high-frequency electromagnetic valve has the advantages of simple structure, strong stability, quick response, low maintenance and use cost, long service life, and thelike.
Owner:杨东红 +1

Mechanical electric baking appliance and heating control method of same

The invention discloses a mechanical electric baking appliance and a heating control method of the same, belongs to the field of kitchen electric appliances and solves the problems of existing electric baking appliances that temperature control effects are poor and the temperature variation amplitude is large. A heating control circuit of the electric baking appliance disclosed by the invention comprises a first heating branch which comprises a heater H1, a temperature controller K1, a second heating branch with a heater H2 and a temperature controller K2, wherein the temperature controller K1 and the temperature controller K2 are normally closed temperature controllers; a break-off temperature T1 of the temperature controller K1 is smaller than a break-off temperature T2 of the temperature controller K2; at a temperature rise stage, the heater H1 and the heater H2 start heating and temperature rise at the same time, and the first heating branch is broken off and a constant-temperature stage will be started when the actual temperature T0 increases to the break-off temperature T1; and at the constant-temperature stage, the second heating branch will be broken off and the heater H2 stops heating when the actual temperature T0 increases to the break-off temperature T2, and the second heating branch will be connected and the heater H2 starts heating when the actual temperature T0 decreases to a reset temperature S2 of the temperature controller K2.
Owner:JOYOUNG CO LTD

Water path switch valve

The invention discloses a water path switch valve, comprising a valve body and a switch base. A water inlet channel and a water outlet channel are arranged on the valve body; the water outlet channel of the valve body is communicated to the middle of the valve body from the outside; the water inlet channel of the valve body is communicated to the rim and the upper part of the water outlet channel at the middle of the valve body from the outside; an elastic sealing piece is mounted on the water outlet channel in the middle of the valve body; a control through hole corresponding to the water outlet channel of the valve body and a water passing through hole corresponding to the water inlet channel of the valve body are arranged on the end face of the elastic sealing piece; the switch base is mounted on the valve body on the elastic sealing piece, and presses the edge of the elastic sealing piece; a pressing rod capable of moving the switch base upwards and downwards and positioning is mounted in the middle of the switch base; a sealing plug is mounted at the lower end of the pressing rod; and after the pressing rod is moved downwards in position, the sealing plug at the lower end can seal the control through hole of the end face of the elastic sealing piece, and drives the elastic sealing piece to seal the water outlet channel in the middle of the valve body. The water path switch valve provided by the invention has the advantages of low manufacturing cost, sensitive and labor-saving operation, and is applicable to the place which is usually opened and closed.
Owner:相变能源科技(青岛)有限公司

Control mechanism of short ridge farming baffle-building machine

The invention provides a control mechanism of a short ridge farming baffle-building machine, comprising specially arranged components in special shapes, such as a long arm (9), a short arm (10), a short arm wearable separation blade (11), a shifting fork (5), a tension spring (6), an electromagnetic switch shell (3) and an electromagnetic iron core (4) which are all mounted in a closed dismountable case. The short arm extends out of the case through a sealing device to control the baffle-building machine, and the electromagnet is a power element of the control mechanism and controls the mechanism through an electric controller. The control mechanism in operation can automatically keep the relative position without adjustment or maintenance and has less driving resistance so that control mechanisms on more than 12 baffle-building single bodies can be controlled and driven only by a power supply of a tractor. The whole control system is simple and reliable, and the working frequency of more than 10 thousand per hour can be achieved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Variable frequency type frequency conversion microwave oven and its control method

A variable-frequency inverter microwave oven and a method for controlling the same. The inverter microwave oven comprises a magnetron for generating electromagnetic waves, a direct current (DC) voltage generator for rectifying and smoothing a commercial alternating current (AC) voltage, which is an inverter drive voltage, to generate a DC voltage, and a switching device for performing a switching operation based on the DC voltage from the DC voltage generator to generate an AC voltage for the driving of the magnetron. The switching device includes a plurality of switches turned on / off in response to the DC voltage from the DC voltage generator. The microwave oven further comprises a variable-frequency controller for varying a switching frequency of the switching device according to the level of the DC voltage from the DC voltage generator to maintain the AC voltage from the switching device at a constant level, and a magnetron drive voltage generator for converting the AC voltage from the switching device into a high-power DC voltage and transferring the converted DC voltage to the magnetron to drive it. The inverter operation is improved compared with a conventional one and a magnetron drive duration is lengthened, thereby improving heating efficiency and operational reliability of the microwave oven.
Owner:LG ELECTRONICS INC

Push electric magnet

InactiveCN101266864AIncrease the frequency of movementAdapt to the work requirements of automatic controlElectromagnetsRemanenceProduction line
The invention belongs to a device element of the electric field, relating to a pushing type electromagnet. The pushing type electromagnet is composed by a shell, an immovable iron, a movable iron and an electromagnetic coil, characterized in that a soft magnetic metal bar is inlayed at a head end part of the movable iron. When the electromagnetic coil is electrified, the electromagnetic coil and the immovable iron surrounding the electromagnetic coil generate powerful suction of magnetic field to suck the movable iron into a space surrounded by the immovable iron and the electromagnetic coil, in order to impact a spring and a push rod of a rear part executing mechanism of an electromagnet so that the executing mechanism completes the production; when the electromagnetic coil is broken off, due to the effect of the soft magnetic metal bar inlayed at the head end part of the movable iron, remanence of the movable iron of the pushing type electromagnet is almost zero, the spring and the push rod of the rear part executing mechanism of the electromagnet resets rapidly under the influence of the movable iron, the response speed is quite fast and movement frequency of the electromagnet is accelerated, so the pushing type electromagnet is applicable for the working demands of automatic control in high-speed product line and improves the working efficiency of the automatic product line.
Owner:王万年

Tricot machine comb racking-movement device driven by linear servo motor

The invention belongs to an actuator used as an electronic bar traverse system of a warp knitting machine, in particular to a warp knitting machine bar traverse device driven by a flat linear servo motor. According to the technical scheme provided by the present invention, the flat linear servo motor stator is installed on the warp knitting machine frame, and the flat linear servo motor mover that can move left and right relative to the flat linear servo motor stator is installed on the flat linear servo motor. The left end of the sub is connected to the strut; the warp knitting machine bar that can move left and right is set on the left side of the warp knitting machine frame, and the left end of the strut is connected with the bar. The invention can reduce faults, improve production efficiency and product quality.
Owner:JIANGNAN UNIV

Inspection well cover with drainage port deposit cleaning function

The invention discloses an inspection well cover with a drainage port deposit cleaning function, and relates to the technical field of municipal inspection well covers. The inspection well cover comprises a base and a cover body, the cover body is fixedly installed in the base, a groove body is formed in the cover body, and a groove hole penetrates through the bottom face of the groove body; a reciprocating moving plate is installed in the groove body, and a plurality of water flowing grooves are formed in the moving plate; a rotating column is fixed to the middle of the inner side face of the moving plate and located in the groove hole, and meanwhile the rotating column is sequentially sleeved with a rotating impeller and a floating block from top to bottom; and the rotating impeller is provided with an outer ring body, and an eccentric structure is arranged on the inner side of the outer ring body. A movable plate capable of reciprocating is installed on the cover body, balls arranged in an annular groove are gathered at the eccentric structure of the annular groove under the action of centrifugal force, an eccentric mechanism is formed, the movable plate is driven to reciprocate along the groove body, and therefore accumulated objects on the groove body are pushed to move, and cleaning is convenient to complete.
Owner:WEIFENG HENG YANG ENVIRONMENTAL PROTECTION ENG CO LTD

Electromagnetic operation valve with multi-section combined valve element structure

The invention discloses an electromagnetic operation valve with a multi-section combined valve element structure. The electromagnetic operation valve comprises multiple sections of combined valve elements and mated valve bodies; the valve elements comprise at least three sections of valve element bodies and mated skeletons; according to the structural form of the valve elements, the valve elementbodies and the mated skeletons are assembled in sequence and then arranged in the mated valve bodies; the outer sides of the skeletons and the inner walls of the valve bodies are tightly connected; and convex surfaces of the inner sides of the skeletons and the valve element bodies are in float sealing connection. Through float sealing connection between the valve element bodies and the skeletons,the maximum flows between the valve element bodies and the skeletons can be guaranteed in the shortest displacement travels of the valve element bodies, so that the reaction speed and the acting frequency of the electromagnetic operation valve in effective time are greatly improved, the friction between sealing pieces and the skeletons is prevented, and the service life of the electromagnetic operation valve is prolonged; and as the valve elements are designed as a combined structure, the valve element bodies with a corresponding number and the mated skeletons are added as needed to achieve the expansion application of the electromagnetic operation valve.
Owner:SHANGHAI YONGRUI PNEUMATIC CO LTD

Sample crushing and mixing device for food detection

The invention discloses a sample crushing and mixing device for food detection, and relates to the technical field of food detection. Comprising a supporting frame, a circular crushing frame is fixedly installed on the front side of the supporting frame, a rotating disc is rotationally installed on the inner wall of the circular crushing frame, and a crushing rod is fixedly installed on the front portion of the rotating disc. The invention discloses a sample crushing and mixing device for food detection. Food samples in the circular crushing frame can be crushed through rotation of a rotating disc and a crushing rod, the crushed samples can be screened through a filter plate, the samples which do not pass through the filter plate can remain on the filter plate, and a roller plate can be driven to rotate through a push rod; when the filtering plate collides with the limiting plate, the sample which is not completely crushed can be moved to the rotating disc and the crushing rod again to be crushed for multiple times until the sample is completely crushed and passes through the filtering plate, and the situation that the whole crushing effect of the sample is affected due to the fact that the sample is not completely crushed can be avoided.
Owner:李雄

Garlic mashing device

The invention discloses a garlic mashing device belonging to the field of kitchen utensils. The garlic mashing device is composed of a bearing device, a movement mechanism, a control part, a power device and a storage device. A mechanical structure is controlled to complete a mashed garlic making operation by an electric actuator, the manual labor is replaced, and the efficiency is improved; by adopting a rocker-slider mechanism, garlic flakes can be smashed twice in an operating stroke, and the motion frequency is high, so that the whole device has high working efficiency; a stepping motor serves as a drive motor and is electrically connected with a single chip microcomputer, so that the positive and negative rotation and swing angle of the crank can be accurately controlled; and the rocker and the chute are indirectly connected by a roller, the roller is matched with the rocker chute, and the inner diameter of the roller is larger than that of a rocker shaft III, so that friction between the rocker and the rocker chute can be reduced, and the conversion of efficiency is efficiently realized.
Owner:曾正扬

Power supply device and laser apparatus

The invention provides a power supply device capable of improving the operation frequency of a load performing intermittent operation. A power supply device (200) is provided with a capacitor bank (202) and a charging power supply (210). A high-frequency power supply (104), which is a load that operates intermittently, is connected to the capacitor bank (202). The charging power supply (210) includes a switching converter (212) and charges the capacitor bank (202). A charging power supply (210) performs primary charging for turning on a low-side transistor (M1) of a switching converter (212) once, starting from the operation of a high-frequency power supply (104) being a load.
Owner:SUMITOMO HEAVY IND LTD

Waste oil collector

The invention discloses a waste oil collector. The waste oil collector comprises a shell, a piston, a piston sleeve, a first air pipe connector, a second air pipe connector and a one-way valve assembly, the piston is arranged in the shell, the piston sleeve is arranged at the lower end of the piston and matched with the piston, an air cylinder plunger sealing ring is arranged at the top end of thepiston, the first air pipe connector and the second air pipe connector are arranged on the left side of the shell, the first air pipe connector communicates with an air cavity in the lower end of theair cylinder plunger sealing ring, the second air pipe connector communicates with an air cavity in the upper end of the air cylinder plunger sealing ring, the one-way valve assembly is fixedly installed at the lower end of the left side of the shell and communicates with the bottom of the piston sleeve, and an adapter assembly is arranged on the right side of the shell and communicates with thetop of the piston sleeve. According to the waste oil collector, compressed gas is adopted as a power source, the piston action frequency is high, the vacuum degree is high, and the working efficiencyis greatly improved.
Owner:ZHEJIANG WEIDUN MACHINERY TECH

Walking hydraulic system of concrete pavement sympathetic vibration rock crushing plant

The invention relates to a walking hydraulic system of a concrete pavement sympathetic vibration rock crushing plant. The walking hydraulic system comprises a volumetric speed control system. Oil output by a hydraulic pump directly enters an execution element, overflow losses and throttling losses are avoided, working pressure changes along with load changing, and therefore efficiency is high, and heating is low. The volumetric speed control system comprises a variable pump and a constant displacement motor connected with the variable pump through a pipeline. The constant displacement motor is used for driving the concrete pavement sympathetic vibration rock crushing plant to walk. A shuttle valve communicating with an oil tank is connected between two end openings of the constant displacement motor in parallel. The volumetric speed control system is a semi-closed system. The two-way variable pump is connected with an electric-hydraulic proportion control valve. The electric-hydraulic proportion control valve controls the flow and reversing of the two-way variable pump. The walking hydraulic system is reasonable in design, compact in structure and convenient to use.
Owner:WENZHOU UNIVERSITY

Steam valve and electric cooker

The invention relates to the field of household appliances and discloses a steam valve and an electric cooker. The steam valve comprises a foam breaking structure, the foam breaking structure comprises a foam breaking chamber (12) and a foam breaking member (13), the foam breaking chamber (12) has a steam inlet (120) and a steam outlet (121), and the foam breaking member is arranged in the foam breaking chamber and can reciprocate between the steam inlet and the steam outlet, so that the foam breaking chamber is in an expanding shape from the steam inlet to the steam outlet. The expanding foambreaking chamber enlarges the steam discharge area, so that liquid such as rice soup can flow back easily. By applying the steam valve to the electric cooker, the cleanness and the safety performanceof the electric cooker are improved.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

Linear servo control bar-crossing system of warp knitting machine

The invention relates to a textile machine, specifically a straight servo control guide bar shogging system of warp knitting machine. The straight servo control guide bar shogging system of warp knitting machine in the invention uses fieldbus technology, the system architecture is three-level network distributed control system based on CAN bus, among them, the first level is management layer, the central controller is IPC machine used for inputting pattern schema, controlling production, proofing and detecting pattern schema data, network communication; the second level is control layer which is the separated independent control unit composed by embedded microcontroller, it is used for receiving and storing the pattern schema parameters relative with rack knitting and transmitted by IPC and completing parameter proofing and detecting associated with IPC; the third level is on-site layer which includes servo driver, cylindrical straight servo motor, linking devices and rack, it can drive guide bar based on the order signals transmitted from control layer. The invention has the characteristics of accurate control, convenient and fast pattern schema replacement and high speed of pattern schema replacement, it can produce products with various pattern schemas and increase warp knitting production efficiency greatly.
Owner:JIANGNAN UNIV

An electric printing head device

Provided is an electric marking punch pin device. The electric marking punch pin device aims at overcoming the defects that in the prior art, structures are immature and effects are unsatisfactory. According to the technical scheme, the electric marking punch pin device is characterized by comprising a shell, a shell back base, a punch, a punch pin, a forward punching electromagnetic coil, a return electromagnetic coil, a return spring, a stroke adjusting stud, a punch tailstock and a return buffer mechanism, wherein the punch is arranged on the shell in a sliding fit manner, and the punch pin is fixed to the front end section of the punch, the punch tailstock is fixed to the rear end section of the punch; the forward punching electromagnetic coil is installed on the front portion in the part, on the outer side of the punch, of a shell cavity, the return electromagnetic coil is installed on the rear portion in the part, on the outer side of the punch, of the shell cavity, and the shell back base is installed on the outer side of the rear end of the shell through the return buffer mechanism; the punch tailstock is located in a cavity of the shell back base, the limiting end of the stroke adjusting stud is located behind the punch tailstock arranged in the cavity of the shell back base, and the adjusting end of the stroke adjusting stud is exposed out of the shell back base; and the rear end section of the punch is sleeved with the return spring, one end of the return spring abuts against the punch tailstock, and the other end of the return spring abuts against the outer side of the rear end of the shell.
Owner:SHANTOU JUNGUO MECHANICAL & ELECTRICAL TECH CO LTD

A hybrid drive type shape memory alloy linear drive device

The invention provides a hybrid drive type shape memory alloy linear drive device, the drive device has a cumulative displacement output device, and also includes a frame, a piston and an output rotation device; the invention utilizes the advantages of light weight and large output stress of shape memory alloys, Make the actuator have a higher power-to-weight ratio, use the cumulative displacement output device to realize the precise step output of the long stroke, use the piston and the rotation device to solve the problem of the recovery refractory period of the smart material, and make multiple groups of SMA wires work in rotation, The operating frequency of the SMA actuator is greatly improved. Because the present invention adopts a novel copper-zinc composite welding scheme for joints, no mechanical connection method is used, the size of the mechanism is reduced, and the weight is reduced. The device directly supplies power to the SMA wire through the conversion chuck. The structure is simple, and the SMA wire responds quickly, so it has the characteristics of fast response. It has the characteristics of high power-to-weight ratio.
Owner:UNIV OF SCI & TECH OF CHINA

Electromagnetic impulse valve service lifetime rapid test device and test method thereof

The invention relates to a quick test device for the service life of an electromagnetic pulse valve. It is located between the valve cover and the end cover A of the transparent box, and is in contact with one end of the blowing pipe. The blowing pipe passes through the other end of the transparent box to close or connect to the muffler nozzle through a nut. Its test method is characterized in that the method is as follows: connect the air source from the air inlet, connect the control power supply; start the electromagnetic pulse valve, the electromagnetic head of the electromagnetic pulse valve moves to make the diaphragm move back and forth, the electromagnetic head and the diaphragm Each action does not cause the air pressure to drop, and the action frequency can reach once every 1-2 seconds. Continuously test until the electromagnetic pulse valve is damaged, and record the number of electromagnetic pulse valve actions. The invention has the advantages of quick test, low energy consumption, low noise, and the small volume of the test device facilitates the test under high and low temperature conditions.
Owner:SHANGHAI SHANGTAI ENVIRONMENTAL COMPONENTS

A double-sided plate-type three-position four-way rotary valve with adjustable flow

A flow-adjustable double side plate type three-position four-way rotary valve comprises a valve element, wherein valve plates are installed at two ends of the valve element in a matched mode, an adjustable boss is installed at the other end of each valve plate, the centers of the adjustable bosses are holed and are installed on an output end of a motor shaft of a built-in motor, a lead screw adjusting nut mechanism consists of an output lead screw shaft slippage nut of the built-in motor, wherein a lead screw shaft is arranged in a central hole of the motor shaft, the slippage nut can slide in an inner hole formed in an outer end cover, thrust ball bearings are connected between the slippage nut and the adjustable bosses, the outer end cover is connected with a valve sleeve, threads at two ends of the lead screw shaft are oppositely symmetric so that the adjustable bosses at two ends of the valve element can perform same-direction or reverse-direction linear motions, four small holes for springs to be arranged are formed in the adjustable bosses to ensure that the adjustable bosses always abut against the end face of the valve element in the axial moving process. The flow-adjustable double side plate type three-position four-way rotary valve controls on and off of hydraulic oil through matched rotations of the valve plates at two ends of the valve element, adjusts oil flow through the adjustable bosses and enables a hydraulic system to be simplified.
Owner:XI AN JIAOTONG UNIV

Piezoelectric driving, harness-cord-free and returning-spring-free jacquard weave and needle selection mechanism

The invention provides a piezoelectric driving, harness-cord-free and heddle-back-spring-free jacquard weave and needle selection mechanism and belongs to the technical field of design and manufacturing of the jacquard weave and needle selection mechanism. A piezoelectric driving wafer is arranged on a piezoelectric driving wafer mounting body; an external jacquard needle is arranged in a slide groove of a guide rail and the outer jacquard needle is internally provided with an internal jacquard needle; and the top of the internal jacquard needle is contacted with the piezoelectric driving wafer. According to the piezoelectric driving, harness-cord-free and heddle-back-spring-free jacquard weave and needle selection mechanism provided by the invention, the inner and outer jacquard needles are dynamically connected together through a pin on the internal jacquard needle and a pin hole on the external jacquard needle to form a compound heddle. The piezoelectric driving wafer is used as a driving element. The piezoelectric driving wafer is used as the driving element so that the piezoelectric driving, harness-cord-free and heddle-back-spring-free jacquard weave and needle selection mechanism has the advantages of high movement frequency and improvement of working efficiency. The more outstanding characteristic is that the structure of a machine body becomes compact and a lot of easily-damaged parts are saved so that an occupied space volume is greatly reduced; and meanwhile, the fault rate is greatly reduced. No heddle-back force exists so that the shedding power is greatly reduced and the power consumption is reduced.
Owner:纪美惠

Semiconductor device

Provided is a semiconductor device which can also suppress increase of the area of a chip even if a protection circuit is assembled to an amplifier circuit. The amplifier circuit including a semiconductor element is formed on a substrate. The protection circuit formed on the substrate includes a plurality of protection diodes that are connected in series with each other, and the protection circuitis connected to an output terminal of the amplifier circuit. A pad conductive layer at least partially includes a pad for connecting to a circuit outside the substrate. The pad conductive layer and the protection circuit at least partially overlap each other in plan view.
Owner:MURATA MFG CO LTD
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