CN109637292A - The full-automatic exponential distribution analyzer of test statistics composition - Google Patents
The full-automatic exponential distribution analyzer of test statistics composition Download PDFInfo
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- CN109637292A CN109637292A CN201910046176.3A CN201910046176A CN109637292A CN 109637292 A CN109637292 A CN 109637292A CN 201910046176 A CN201910046176 A CN 201910046176A CN 109637292 A CN109637292 A CN 109637292A
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- Prior art keywords
- bracket
- test
- coaster
- burster
- exponential distribution
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
Abstract
The present invention discloses a kind of full-automatic exponential distribution analyzer of test statistics composition, and the object of the present invention is to provide a kind of energy rapid survey test articles, statistical value can be automatically converted to dot pattern picture and intuitively reflect exponential distribution rule etc. measurement data classified statistic.Including bracket, coaster, test bracket, speed changer, transmission mechanism, driver, burster, accumulator, display screen.The present apparatus include it is easy to operate, as long as open control power supply switch as long as can complete all demonstration and picture construction；It is multiple functional: pressure can be completed at the same time, resist test, classified statistic, the exponential distribution picture construction for the reaction service life such as wearing etc.；It is compact-sized low in cost easy to carry；Strong applicability: it can be tested, be demonstrated and composition at any visual angle of a variety of occasions.Suitable for teaching, science popularization, quality control and statistics.
Description
Technical field
The present invention relates to a kind of teaching mode, especially a kind of full-automatic exponential distribution analyzer of test statistics composition.
Background technique
Probability theory plays a crucial role in big data era, and wherein the distribution function of stochastic variable is its core, and student couple
The grasp of this kind of probable problem lacks practical problem and intuitive performance supports, in understanding simply with common real variable and
Corresponding function indicates, especially student be difficult to be formed when learning or the distribution of training discrete random variable one it is complete
Clearly systematizing concept, the not high sharing of classroom efficiency are poor.For a long time without the integrated application model of discovery this respect
Or device, it is only used for the test that Normal probability distribution is obeyed in demonstration, the distribution of general discrete shape stochastic variable cannot be demonstrated
Column, cannot draw the image of distribution function.
Summary of the invention
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
The full-automatic exponential distribution analyzer of test statistics composition includes bracket, coaster, test bracket, speed changer, driver
Structure, driver, burster, accumulator and display screen, it is characterised in that: speed changer and accumulator, the coaster 2 are placed in bracket
Lower part, test bracket, speed changer and transmission mechanism are all placed on coaster, and driver is placed in coaster lower part, and burster is placed in bracket
Rear portion, accumulator is placed on burster, and display screen is placed in the top of bracket；
Further technical solution, the gearbox excess pressure adjust flexible；
The column iron core of further technical solution, the electromagnetic spring is equipped with conductive coil.
Compared with prior art, the invention has the advantages that
1, the full-automatic exponential distribution analyzer of test statistics composition of the invention, easy to operate, the energy as long as pushing crank
Complete all measurements, statistics and composition.
2, the full-automatic exponential distribution analyzer of test statistics composition of the invention, it is multiple functional: service life examination can be completed at the same time
It tests, classified statistic, exponential distribution picture construction etc.；It is compact-sized low in cost easy to carry；Strong applicability: can be in a variety of occasions
Any visual angle measures test, demonstration and composition.Suitable for teaching, science popularization, product design, quality examination and statistics etc..
3, occur on the market without this kind of product at present, the full-automatic exponential distribution analyzer of test statistics composition is low in cost
Safe and reliable device is light and handy.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of bracket in the present invention.
Fig. 3 is the structural schematic diagram of coaster in the present invention.
Fig. 4 is the structural schematic diagram that bracket is tested in the present invention.
Fig. 5 is the structural schematic diagram of electromagnetic spring in the present invention.
Fig. 6 is the structural schematic diagram of speed changer in the present invention.
Fig. 7 is the structural schematic diagram of gearbox in the present invention.
Fig. 8 is the structural schematic diagram of transmission mechanism in the present invention.
Fig. 9 is the structural schematic diagram of driver in the present invention.
Figure 10 is the structural schematic diagram of burster in the present invention.
Figure 11 is the structural schematic diagram of positioning mechanism in the present invention.
Figure 12 is the structural schematic diagram of accumulator in the present invention.
Figure 13 is the structural schematic diagram of display screen in the present invention.
In attached drawing: 1- bracket, 11- rectangular base plate, the first vertical plate of 12-, the second vertical plate of 13-, 14- threaded rod, 15- positioning spiral shell
Mother, 16- terrace with edge pedestal, the first slideway of 17-, the second slideway of 18-, the first sliding block of 19-, the second sliding block of 110-, 111- straight-tooth lath,
The first strut of 112-, the second strut of 113-, the first elliptical aperture of 114-, the first circular hole of 115-, 116- elasticity lockset；2- coaster,
21- coaster bottom plate, 22- coaster vertical plate, 23- timer, 24- see-through window, the first rectangular opening of 25-, the second elliptical aperture of 26-,
The second circular hole of 27-, the first screw of 28-, the first pipe support of 210-, the second pipe support of 211-；3- tests bracket, 31- tray plate, 32-
Electrical apparatus interface, 33- round tube axis, 34- round sleeve, 35- first party tube rod, 36- second party tube rod, 37- rectangular dielectric plate, 38-
One pin, 39- electromagnetic spring, 391- annulus chassis, the transparent pipe sleeve of 392-, 393- cylinder iron core, 394- conductive coil, 395-
Orient guide rod, 396- cylinder armature, 397- armature chassis, the first spring of 398-, 399- circle pilot hole, 3910- pin hole；4-
Speed changer, 41- speed changer bottom plate, 42- cuboid water tank, 43- gearbox, the first transparent pipe of 47-, the first circular ring cover of 48-, 49-
First piston, 410- First piston bar, 411- first switch, 412- third circular hole, the 4th circular hole of 413-, the 5th circular hole of 414-,
The second transparent pipe of 415-, 416- second piston, the second circular ring cover of 417-, 418- second piston bar, 419- second spring, 420-
Third transparent pipe, 421- valve, 422- diamond hole, 423- third spring, 431- speed change tank tower, 432- push-and-pull square tube, 433- ladder
Shape hyoplastron, 434- second switch, 435- resilient block, 436- tank tower bottom plate, 437- tank tower left risers, 438- tank tower right risers,
439- tank tower top plate, the first rectangular shaped slot of 4310-, 4312- square tube upper plate, 4313- square tube lower plate, 4314- third rectangular channel
Hole, 4315- wedge shape stop block, the 4th rectangular shaped slot of 4316-, 4317- band bracing strut, 4318- rectangular parallelepiped sliders, 4319- triangle
Wedge, the second screw of 4320-, 4321- second switch interface；5- transmission mechanism, 51- rectangle grillage, the first stepper motor of 52-,
The first Knucle-gear of 53-, the first lath of 54-, the second lath of 55-, 56- vernier arrow plate, the 6th circular hole of 57-, the first power supply of 58- are inserted
Mouthful；6- driver, 61- drive floor, the first trapezoid support of 62-, the second trapezoid support of 63-, 64- circular shaft bar, 65- second step
Into motor, the second Knucle-gear of 66-, 67- conducting wire, 68- controller, 69- speed stage, 610- knob, 611- third screw,
The 7th circular hole of 612-, 613- operating mechanism；7- burster, 71- burster bottom plate, 72- burster vertical plate, 73- positioning mechanism,
74- third strut, the 4th strut of 75-, the first round bar of 76- sliding rail, the second round bar of 77- sliding rail, 78- third round bar sliding rail, 79-
Rectangular channel, the first scale of 710-, the first strut of 711-, the second strut of 712-, 731- crossbeam, 732- circle sign board, 733- are fixed
Position set square, 734- positioning splint, the first circular arc of 735- sliding block, 736- threaded rod, 737- position baffle-wall, 738- justifies screw hole,
The first direct line of 739-, 7310- octagon nut, the second direct line of 7311-, 7312- disk handgrip；8- accumulator, 81- are cumulative
Device bottom plate, 82- third trapezoid support, the 4th trapezoid support of 83-, 84- third Knucle-gear, 85- round tube shaft, 86- separate tactile disk,
The first pull rod of 87-, the second pull rod of 88-, the first transverse slat of 89-, the second transverse slat of 810-, 811- first baffle, 812- second baffle,
The second circular arc of 813- sliding block, 814- third circular arc sliding block, 815- circuit interface, 816- coil spring bracket, 817- curve spring,
818- separates bridged bond, 820- circular arc contact；9- display screen, 91- trough of belt transverse slat, 92- lamp holder base plate, 93- hood, 94- are transparent
Chart board, 95- diode lights, 96- transverse direction shield, the longitudinal direction 97- shield, the second scale of 98-, 99- lamp line interface, 910- sucker,
The rectangular pipe sleeve of 911-.
Specific embodiment
Technical solution of the present invention is further elaborated below in conjunction with specific embodiment, but the contents of the present invention are not only
It is limited only to the embodiment described:
As shown in figures 1-13, the full-automatic exponential distribution analyzer of test statistics composition, including bracket 1, coaster 2, test support
Frame 3, speed changer 4, transmission mechanism 5, driver 6, burster 7, accumulator 8, display screen 9, coaster 2 are placed in the lower part of bracket 1, examination
It tests bracket 3, speed changer 4 and transmission mechanism 5 to be all placed on coaster 2, driver 6 is placed in 2 lower part of coaster, and burster 7 is placed in bracket 1
Rear portion, accumulator 8 is placed on burster 7, and display screen 9 is placed in the top of bracket 1.
As shown in Figure 1, 2, bracket 1 includes rectangular base plate 11, the first vertical plate 12, the second vertical plate 13, terrace with edge pedestal 16, first
Slideway 17, the second slideway 18 and straight-tooth lath 111, the rectangular base plate 11 are straight hardboards, the following table of the rectangular base plate 11
It is respectively equipped with threaded rod 14 on the angle of four, face, the threaded rod 14 is arranged with positioning nut 15, under every positioning nut 15
End be equipped with terrace with edge pedestal 16,11 upper surface of rectangular base plate be successively arranged from front to back the first slideway 17, straight-tooth lath 111,
Second slideway 18, first slideway 17 are equipped with the first sliding block 19, and second slideway 18 is equipped with the second sliding block 110, described
First sliding block 19 is equipped with elastic lockset 116, and the trailing flank left end of the rectangular base plate 11 is equipped with the first strut 112, trailing flank
Right end is equipped with the second strut 113, and the strut upper end is equipped with the first elliptical aperture 114, and the left side of the rectangular base plate 11 is equipped with
First vertical plate 12 normal thereto, the right side of the rectangular base plate 11 are equipped with the second vertical plate 13 normal thereto, and described second
The first circular hole 115 is equipped in the middle part of vertical plate 13.
As shown in Figure 1,3, coaster 2 includes coaster bottom plate 21, coaster vertical plate 22 and timer 23, and coaster bottom plate 21 is constant
The straight rectangle hardboard of shape, the coaster bottom plate 21 is intermediate above to be equipped with coaster vertical plate 22 normal thereto, the coaster vertical plate
It is equipped with timer 23 among 22 upper end, the first rectangular opening 25 is equipped on the right side of the upper end of the coaster vertical plate 22, the coaster is vertical
See-through window 24 is equipped among plate 22, it is described that the first pipe support 210 and the second pipe are successively arranged close at left and right sides of see-through window 24
Frame 211, the coaster bottom plate 21 are symmetrical structure along horizontal center line, and second circular hole 27 is set among center line, institute
It states and is equipped with the first screw 28 among 21 left end of coaster bottom plate, the 21 left end lower part of coaster bottom plate is equipped with the first screw 28, described
Coaster 2 is the first sliding block 19 that the first screw 28 is fixed on to 1 first slideway 17 of bracket, and the first screw 29 is fixed on the second slideway
On 18 the second sliding block 110.
As shown in Fig. 1,4, test bracket 3 includes tray plate 31, electrical apparatus interface 32, round tube axis 33, rectangular dielectric plate 37
With electromagnetic spring 39, the tray plate 31 is rectangular dielectric hardboard, and 31 upper surface of tray plate is equipped with electrical apparatus interface 32,
31 lower surface of tray plate is equipped with round sleeve 34, and the round sleeve 34 is externally provided with the first pin 38, in the round sleeve 34
Equipped with round tube axis 33, the front end of the round tube axis 33 is equipped with first party tube rod 35 normal thereto, and 33 end of round tube axis is set
There is second party tube rod 36, the rectangular dielectric plate 37 is fixed by first party tube rod 35 and second party tube rod 36, the bracket bottom
The right side of plate 31 is equipped with rectangular dielectric plate 37, and 37 surface of rectangular dielectric plate is equipped with electromagnetic spring 39, the test bracket
3 are sequentially inserted into 33 rear and front end of round tube axis on coaster 2 in first pipe support 210 and the second pipe support 211, first party tube rod 35
Be fixed on coaster vertical plate 22 with second party tube rod 36, test bracket 3 be for hold in the palm carry test article and can by Test Information and
When the device that converts,
As shown in Fig. 1,3,5, electromagnetic spring 39 includes annulus chassis 391, cylinder iron core 393, cylinder armature 396 and armature
Chassis 397, the annulus chassis 391 are equipped with pin hole 3910, and the 391 interior diameter edge of annulus chassis is equipped with transparent pipe sleeve
392, cylinder iron core 393 is set in the transparent pipe sleeve 392, the cylinder iron core 393 is equipped with conductive coil 394, the cylinder
The axle center of iron core 393 is equipped with circle pilot hole 399, is equipped with orientation guide rod 395, the orientation guide rod 395 in the round pilot hole 399
It is outer be arranged with the first spring 398, the end of the orientation guide rod 395 is equipped with connected cylinder armature 396, first bullet
One end of spring 398 and cylinder armature 396, other end cylinder iron core 393 are connected, and the right side of the cylinder armature 396 is equipped with rank
Iron chassis 397, the electromagnetic spring 39 are fixed on rectangular dielectric plate 37 by pin hole 3910, and electromagnetic spring 39 is led when being powered
Electric coil 394 and cylinder iron core 393 generate magnetic force moving cylinder armature 396 and are displaced outwardly, the first spring of magnetic force disappearance after power failure
Cylinder armature 396 is retracted original position by 398.
As shown in Fig. 3,5,6,7, speed changer 4 includes speed changer bottom plate 41, cuboid water tank 42 and gearbox 43, the change
Fast device bottom plate 41 is rectangle hardboard, and 41 left end of speed changer bottom plate is equipped with cuboid water tank 42, is equipped with gearbox among right end
43, the cuboid water tank 42 is the closed case being made by translucent plate, the water tank left side wall of the cuboid water tank 42
It is equipped with connection third circular hole 412, the third circular hole 412 is equipped with the first matching transparent pipe 47, and described first is transparent
The identical first piston 49 of inside diameter therewith is equipped in pipe 47,49 left side of first piston is equipped with the first piston of connection
Bar 410, the outer end of first transparent pipe 47 are equipped with the first circular ring cover 48, and first circular ring cover center is equipped with and first
The matched through-hole of piston rod 410, the First piston bar 410 are passed through from the through-hole of the first circular ring cover 48, first circular ring cover
48 outer edges are equipped with first switch 411, and the outer end of the First piston bar 410 is fixed with third spring 423.The cuboid water
Top surface is equipped with the 5th circular hole 414 on the water tank of case 42, and the 5th circular hole 414 is connected with third transparent pipe 420, the third
420 upper end of transparent pipe is equipped with valve 421.The right side wall of the cuboid water tank 42 is equipped with the 4th circular hole 413, the 4th circular hole
413 are equipped with the second transparent pipe 415 of connection, are equipped in second transparent pipe 415 and match second piston 416 with inside diameter,
Right side is equipped with second piston bar 418 in the second piston 416, and the end of second transparent pipe 415 is equipped with the second annulus
Lid 417, through-hole is equipped among second circular ring cover 417, and the second piston bar 418 passes through through-hole, the second spring 419
Outer end be fixed in second piston bar 418, the end of the second piston bar 418 is equipped with gearbox 43, the gearbox 43
Including speed change tank tower 431, push-and-pull square tube 432, trapezoidal hyoplastron 433, second switch 434 and resilient block 435, the speed change tank tower
431 be the rectangle support surrounded by tank tower bottom plate 436, tank tower left risers 437, tank tower right risers 438, tank tower top plate 439, described
The lower surface of tank tower top plate 439 is equipped with second switch 434, and the second switch 434 is spring-compressed switch, the second switch
434 is transversely arranged, and the tank tower left risers 437 and tank tower right risers 438 are symmetrical structure, among the tank tower right risers 438
Equipped with the first rectangular shaped slot 4310, matching push-and-pull square tube 432, the push-and-pull are equipped in first rectangular shaped slot 4310
Square tube 432 is transparent square tube straight-bar, and the plate face up and down of the push-and-pull square tube 432 is successively under square tube upper plate 4312 and square tube
Plate 4313, is equipped with third rectangular shaped slot 4314 in the middle part of the square tube upper plate 4312,4313 upper surface middle part of square tube lower plate from
It is successively arranged wedge-shaped stop block 4315, the 4th rectangular shaped slot 4316, band bracing strut 4317, the 4th rectangular shaped slot 4316 from left to right
Upper surface is equipped with matching rectangular parallelepiped sliders 4318, and 4318 bottom surface of rectangular parallelepiped sliders is equipped with triangle wedge
4319, the triangle wedge 4319 is in the 4th rectangular shaped slot 4316 and energy is free to slide, sets on the band bracing strut 4317
There is trapezoidal hyoplastron 433, the trapezoidal hyoplastron 433 is trapezoidal plate, is stretched out from third rectangular shaped slot 4314, the trapezoidal hyoplastron
Right end is equipped with straight-bar at 433 bottom surfaces, and the straight-bar is connected on the axis with bracing strut 4317, and the trapezoidal hyoplastron 433 is gone to the bottom
Right end is equipped with curved bar at face, and the curved bar horizontally slips with rectangular parallelepiped sliders 4318 and moves in the 4th rectangular shaped slot 4316, institute
It states trapezoidal hyoplastron 433 or extends higher than square tube upper plate 4312 from third rectangular shaped slot 4314, in 436 upper surface of tank tower bottom plate
Between be equipped with resilient block 435, the resilient block 435 is transversely arranged, and the resilient block 435 connects with triangle wedge 4319
Touching, can stretch up and down with pressure size, and the 436 upper surface right end of tank tower bottom plate is equipped with the second screw 4320, the speed change
Tank tower 439 is equipped with second switch interface 4321, and gearbox 43 is to be fixed on speed changer bottom plate 41 by the second screw 4320
On, the left end of push-and-pull square tube 432 is connected with second piston bar 418, and the speed changer 4 is fixed by diamond hole 422 with pin
In coaster 2 at second elliptical aperture 26 of coaster bottom plate 21,397 phase of armature chassis of First piston bar 410 and electromagnetic spring 39
It is right.
As shown in Fig. 2,8, transmission mechanism 5 includes rectangle grillage 51, the first stepper motor 52, the first Knucle-gear 53 and vernier
Arrow plate 56, the rectangle grillage 51 are indeformable straight rectangle hardboards, and the rectangle grillage 51 is equipped with the first stepper motor
52, the shaft of first stepper motor 52 is equipped with the first Knucle-gear 53, the trailing flank upper end second of the rectangle grillage 51
Lath 55,55 end of the second lath connect vernier arrow plate 56, are equipped with the first plate in the middle part of the trailing flank of the rectangle grillage 51
Item 54, is equipped with the first outlet 58 in the middle part of the bottom surface of the rectangle grillage 51, and the front end of the rectangle grillage 51 is equipped with the
Six circular holes 57, the transmission mechanism 5 are fixed on coaster 2 by the 6th circular hole 57 at first rectangular opening 24.With electric wire by
One outlet 58 is connected with the second switch interface 4321 on gearbox 43.
As shown in Fig. 2,3,9, driver 6 includes operating mechanism 613, conducting wire 67 and controller 68, the operating mechanism 613
Including drive floor 61, second stepper motor 65 and the second Knucle-gear 66, the drive floor 61 is indeformable straight
Hardboard, 61 upper surface of drive floor are equipped with the 7th circular hole 612, and it is trapezoidal that 61 bottom surface of drive floor is equipped with first
Bracket 62 and the second trapezoid support 63, the circular shaft bar 64 is fixed by the first trapezoid support 62 and the second trapezoid support 63, institute
It states circular shaft bar 64 and is arranged with second stepper motor 65, the shaft of the second stepper motor 65 is equipped with the second Knucle-gear 66, institute
The second stepper motor 65 for stating operating mechanism 613 is equipped with conducting wire 67, and the other end of the conducting wire 67 is equipped with controller 68, institute
Controller 68 is stated as circle, outer edge is equipped with speed stage 69, the fan-shaped arrangement of speed stage 69 to 68 upper half of controller
It is round, alphabetical v is successively put on the speed stage 690、v1... speed marker, the center of the controller 68 is equipped with knob
610, knob 610 can only be connected every time with a speed stage 69, and 68 lower half circle of controller is equipped with third screw 611, institute
Stating driver 6 is at the second circular hole 27 being fixed below coaster 2 with bolt by the 7th circular hole 612, the second Knucle-gear 66 with
Straight-tooth engagement in bracket 1 on straight-tooth lath 111, the controller 68 is fixed at the first circular hole 115, with electric wire by first
Outlet 58 is connected with the second switch interface 4321 on gearbox 43, and the driver 6 is to be pushed to slide with different speed
The device that vehicle 2 is run.
As shown in Fig. 1,2,10,11, burster 7 includes burster bottom plate 71, burster vertical plate 72, positioning mechanism 73, the
Three struts 74 and the 4th strut 75, the burster bottom plate 71 are Thin Rectangular hardboard block, the leading flank of the burster bottom plate 71
The first round bar sliding rail 76, trailing flank are equipped with equipped with the second round bar sliding rail 77, the left side of the burster bottom plate 71 is set
There is the first strut 711,711 end of the first strut is connect with third strut 74, and the right side of the burster bottom plate 71 is set
There is the second strut 712, the end of second strut 712 is equipped with the 4th strut 75, and Middle face is set on the burster bottom plate 71
There is burster vertical plate 72 normal thereto, the burster vertical plate 72 is transparent rectangle hardboard, the burster vertical plate 72
Upper top surface is equipped with third round bar sliding rail 78, and the forward, central part of the burster vertical plate 72 is equipped with the first scale 710, the grouping
71 latter half of device bottom plate is equipped with rectangular channel 79, and the burster vertical plate 72 is equipped with positioning mechanism 73, the positioning mechanism
73 include crossbeam 731, boundary's sign board 732, positioning set square 733, positioning splint 734, the first circular arc sliding block 735, threaded rod 736
With positioning baffle-wall 737, the crossbeam 731 is rectangle hardboard block, and 731 leading flank of crossbeam is equipped with boundary mark board normal thereto
Plate 732, boundary's sign board 732 are rectangle hardboard blocks, and the bottom surface of boundary's sign board 732 is equipped with positioning set square 733, institute
The bottom surface front end for stating crossbeam 731 is successively arranged the first circular arc sliding block 735 and positioning splint 734, the crossbeam 731 from front to back
Rear end be equipped with circle screw hole 738, the edge from circle screw hole 738 is to extending to the first direct line among crossbeam 731
739, the round screw hole 738 is interior to be equipped with threaded rod 736, and centre is equipped with octagon nut 7310 and second on the threaded rod 736
Direct line 7311, second direct line 7311 extend from octagon nut 7310 to upper end, and the upper top surface of the threaded rod 736 is set
There are disk handgrip 7312, bottom surface to be equipped with positioning baffle-wall 737.The positioning mechanism 73 is that the first circular arc sliding block 735 is placed in
On three round bar sliding rails 78, the threaded rod 736 passes through rectangular channel 79, and the positioning baffle-wall 737 is in burster bottom plate 71
Lower section, behind the position for setting positioning set square 733, rotating circular disc handgrip 7312 makes the second direct line 7311 and the first direct line
739 are overlapped, namely positioning baffle-wall 737 is vertical with boundary's sign board 732, and rotation octagon nut 7310 will position baffle-wall 737 and positioning
Set square 733 is fixed, and third strut 74 and the 4th strut 75 are sequentially fixed at bracket 1 first with pin and supportted by the burster 7
At the elliptical slot 116 of bar 112 and the second strut 113, the burster 7 be for will measure length be divided into small section or
Measurement data is grouped.
As shown in Figure 10,12, accumulator 8 includes accumulator bottom plate 81, third Knucle-gear 84 and separation tactile disk 86, accumulator
Bottom plate 81 is hard rectangular slab, and 81 front end of accumulator bottom plate is equipped with the first pull rod 87 normal thereto, first pull rod 87
Upper end is equipped with first transverse slat 89 parallel with accumulator bottom plate 81, and it is sliding that 89 bottom surface of the first transverse slat is respectively equipped with the second circular arc
Block 813,89 end of the first transverse slat are equipped with first baffle 811, and 87 lower end of the first pull rod is equipped with coil spring grillage 816, institute
The surface for stating coil spring bracket 816 is equipped with curve spring 817, and 81 rear end of accumulator bottom plate is equipped with the second pull rod normal thereto
88,88 upper end of the second pull rod is equipped with second transverse slat 810 parallel with accumulator bottom plate 81, and second transverse slat 810 is gone to the bottom
Face is respectively equipped with third circular arc sliding block 814, and 810 end of the second transverse slat is equipped with second baffle 812, under second pull rod 88
End is equipped with circuit interface 815, and third trapezoid support 82 and the 4th ladder are successively arranged in the middle part of 81 left and right side of accumulator bottom plate
Shape bracket 83, the third trapezoid support 82 and 83 lower end of the 4th trapezoid support are equipped with connecting circular tube shaft 85, the round tube axis
Bar 85, which is arranged with, separates tactile disk 86, and 86 outer peripheral surface of separation tactile disk is equipped with third Knucle-gear 84,86 surface of separation tactile disk
Equipped with bridged bond 818 is separated, the separation bridged bond 818 is arranged in circular arc, and the right disk of the third Knucle-gear 84 is equipped with circular arc
Contact 820 can only be connected every time with a separation bridged bond 818 with the rotation circular arc contact 820 of third Knucle-gear 84 and constitute closure
Access, the separation bridged bond 818 are arranged in sector, counterclockwise separate bridged bond 818 on successively put on number 0,1 ...
Serial number mark, connected on the separation bridged bond 818 of serial number 0 without conducting wire, serial number 0,1 ... separation bridged bond 818 lead respectively
Line is connect with wire interface, and accumulator 8 is that the second circular arc sliding block 813 and third circular arc sliding block 814 are sequentially placed into burster 7
On one round bar sliding rail 76 and the second round bar sliding rail 77, curve spring 817 in front, third Knucle-gear 84 can on driver 6
The second Knucle-gear 66 engagement, accumulator 8 is the device for cumulative number to be converted to electric signal.
As shown in Fig. 1,13, display screen 9 includes trough of belt transverse slat 91, lamp holder base plate 92, hood 93, transparent chart board 94 and two
Pole pipe lamp 95, the trough of belt transverse slat 91 are rectangle hardboards, and lamp holder base plate 92 is equipped in the groove on the trough of belt transverse slat 91, described
The surface of lamp holder base plate 92 is equipped with diode lights 95, the rectangle lamp array that the diode lights 95 are lined up, the lamp holder base plate 92
Bottom surface is equipped with lamp line interface 99.Hood 93 is cased on the diode lights 95, the hood 93 is by lateral shield 96
The column casing surrounded with longitudinal shield 97.Transparent chart board 94 is equipped with before the hood 93, the transparent chart board 94 is that rectangle is saturating
Bright thin flat plate, transparent 94 lower end of chart board are equipped with the second scale 98, are equipped with sucker behind the transparent chart board 94 at four angles
910, the transparent chart board 94 can be fixed on lamp holder base plate 92 by sucker 910, the 91 bottom surface both ends of trough of belt transverse slat
It is respectively equipped with rectangular pipe sleeve 911, the display screen 9 is by 911 sets of rectangular pipe sleeve in 1 first strut 112 of bracket and the second strut
113 upper end, display screen 9 are that statistical number is showed characteristic distributions by lamp cap bright spot and is fitted to the device of full curve.
The working principle of the full-automatic exponential distribution analyzer of test statistics composition of the invention is, according to electromagnetism, voussoir from
It closes transmission and converts classified statistic data for the lifetime data for measuring object, statistical data is passed through lamp using the intermittent rotary of the gear teeth
Light forms image.Its main feature is that: it is easy to operate, all demonstration and image structure can be completed as long as the switch for opening control power supply
It builds；It is multiple functional: pressure can be completed at the same time, resist the test for the reaction service life such as wearing, classified statistic, exponential distribution picture construction
Deng；It is compact-sized low in cost easy to carry；Strong applicability: it can be tested, be demonstrated and composition at any visual angle of a variety of occasions.
Suitable for teaching, science popularization, quality control and statistics etc..
The full-automatic exponential distribution analyzer of test statistics composition of the invention has quickly test and demo function, will be with
The work such as preliminary examination, grouping, statistics, composition can be rapidly completed by continuously disposable operation in the determinand that machine extracts, and operate
Step is:
One, device assembles, and 1] the terrace with edge pedestal 16 of bracket 1 is placed on a firm horizontal plane, turn positioning nut
15 make bracket 1 be in stable state.2] operating mechanism 613 in driver 6 is fixed on cunning by the 7th circular hole 612 with bolt
At the second circular hole 27 below vehicle 2, controller 68 is fixed at the first circular hole 115.3] the coaster 2 first that driver 6 is housed
Screw 28 and the first screw 29 are sequentially fixed at the first sliding block 19, the second sliding block of 1 first slideway 17 of bracket, the second slideway 18
On 110, the second Knucle-gear 66 is engaged with the straight-tooth on straight-tooth lath 111 in bracket 1, it is fixed with elastic lockset 116.4]
33 rear and front end of round tube axis of test bracket 3 is sequentially inserted on coaster 2 in first pipe support 210 and the second pipe support 211, first party
Tube rod 35 and second party tube rod 36 are fixed on coaster vertical plate 22, after rotation tray plate 31 keeps it parallel with rectangular dielectric plate 37
It is fixed with the first pin 38.5] speed changer 4 is fixed on second of coaster bottom plate 21 in coaster 2 by diamond hole 422 with pin
At elliptical aperture 26, the armature chassis 397 of First piston bar 410 and electromagnetic spring 39 is opposite.6] transmission mechanism 5 is led to screw
The 6th circular hole 57 is crossed to be fixed on coaster 2 at first rectangular opening 24.It will be on the first outlet 58 and gearbox 43 with electric wire
Second switch interface 4321 is connected.7] burster 7 for not installing positioning mechanism 73 is supportted third strut 74 and the 4th with pin
Bar 75 is sequentially fixed at the elliptical slot 116 of 1 first strut 112 of bracket and the second strut 113.Make on transmission mechanism 5
The second lath of top 55 that vernier arrow plate 56 is in burster bottom plate 71 is in the lower section of burster bottom plate 71.8] by more than one
Accumulator 8 is placed on the first round bar sliding rail 76 and the second round bar sliding rail 77 of burster 7, curve spring 817 in front, third
Knucle-gear 84 can be engaged with the second Knucle-gear 66 on driver 6.9] more than one positioning mechanism 73 is placed in burster 7
On, make have an accumulator 8 between adjacent two positioning mechanisms 73.10] by 911 sets of the rectangular pipe sleeve of display screen 9 in bracket 1
The upper end of one strut 112 and the second strut 113, transparent chart board 94 is in front.
Two, initial position adjustment and setting: elastic lockset 116 1] is opened by coaster 2 and moves to vernier arrow plate on transmission mechanism 5
56 alignment bursters 7 on the first scale 710 zero graduation at after lock；2] take M+N a from same overall electric appliance at random
Element measures its service life, and wherein M, N are both less than n, and M are placed in the electrical apparatus interface 332 on test bracket 3.3] will become
Valve 421 in fast device 4 on cuboid water tank 42 is opened, and isothermal liquid is injected into case, is reached in all first pistons 49
Valve 421 after trapezoidal hyoplastron 433 reaches the left side of first second switch 434 in the left side, is closed in the bottom of first transparent pipe 47.
4] on burster 7 positioning mechanism 73 and accumulator 8 be moved to the right part of burster vertical plate 72, by all accumulators 8
Circular arc contact 820 on three Knucle-gears 84 goes to No. 0 position for separating bridged bond 818.5] the positioning mechanism 73 on burster 7
It sorts from left to right, is successively denoted as a1、a2、…、an+1, positioning set square 733 and boundary's sign board 732 thereon be similarly denoted as
a1、a2、…、an+1.6] accumulator 8 is sorted from left to right, is successively denoted as b1、b2、…、bn.7] by the diode lights of display screen 9
95 sort from left to right by column, are successively denoted as c1、c2、…、cnLamp group.
Three, test MaLS determines segmentation circle's point: 1] serial number a1Positioning mechanism 73 positioning set square 733 move
56 position of vernier arrow plate on to transmission mechanism 5, rotating circular disc handgrip 7312 make the second direct line 7311 and the first direct line
739 are overlapped, and rotation octagon nut 7310 will position baffle-wall 737 and positioning set square 733 is fixed.2] serial number b1Accumulator
8 move to against a1Positioning mechanism 73.3] serial number a2Positioning set square 733 move to against b1After fix, 4] selected ciColumn
Diode lights 95, continuously take from bottom to top M only, by serial number b1Accumulator 8 and this M diode lights 95 lamp line interface
99 connect.5] power supply of accumulator 8, c on display screen 9 are connectediThe M diode lights 95 of column are bright.6] it adjusts in transmission mechanism 5
First Knucle-gear 53 and b1Third Knucle-gear 84 in accumulator 8 engages, and connects the first stepper motor of power supply of transmission mechanism 5
52 are in standby.7] power supply in call through test bracket 3 to electricity measurer, opening 23 start recording time of timer are t0,
In ciT is denoted as when first diode lights 95 extinguishes in column1, when second extinguishing is denoted as t2..., M is denoted as t when only extinguishingM,
Finding out average life span is λ0.8] MaLS, reference basis service life t are determinedMAppropriate amendment is done, is determined to electricity measurer MaLS
For T.9] if there is the reference in history service life to electricity measurer, just directly with the longest that original history maximum life is to electricity measurer
Service life.10] it determines timing node, MaLS is divided into k sections for T, whereinAnd k≤n, timing node are followed successively by
T0、T1、T2、…、Tk.Device 11] is restored to the state of initial position.
Four, measure, count and demonstration: 1] laying down on test bracket 3 used M, will be other N number of to electricity measurer
It is placed on test bracket 3 to electricity measurer.2] knob 610 of driver 6 is gone to speed v's according to the length of the first scale 710
(v is v to gear0、v1... in some).3] serial number a1Positioning set square 733 move on to vernier arrow plate on transmission mechanism 5
It is fixed behind 56 positions, in a1This boundary's point is marked to be set to x on boundary's sign board 7321, serial number a2Positioning set square
733 move on to the x of the first scale 7101+v(T1-T0) fixed behind position, in a2This boundary's point is marked to be set to x on boundary's sign board 7322,
Equally x is successively moved on to by remaining2=x1+vT2、…、xk+1=x1+v(Tk-T0).4] serial number b1、b2、…、 bkIt is cumulative
Device 8 successively moves to a1、a2、…、akThe right side of baffle-wall 737 is positioned in positioning mechanism 73.Each circular arc contact 820 is gone to
Separate No. 0 position of bridged bond 818.5] c is selected1、c2、…、ckThe diode lights 95 of column lamp group, each column take N only from bottom to top, will
Serial number b1、b2、…、bkAccumulator 8 successively with c1、c2、…、ck99 phase of lamp line interface of the N number of diode lights 95 of column lamp group
It connects.6] power supply of accumulator 8 is connected, the bright spot lamp array of k column N row occurs in 9 lower left region of display screen.7] transmission mechanism 5 is connected
The first stepper motor of power supply 52 is in standby.8] test statistics, be also turned on test bracket 3 in electricity measurer power supply and
The power supply of driver 6.Coaster 2 moves right, the first Knucle-gear 53 and b1Third Knucle-gear 84 in accumulator 8 engages, and first
Lath 54 pushes b close to curve spring 841Accumulator 8 is mobile simultaneously, if to have in electricity measurer one it is breakdown, in c1In column most
A luminous diode lights 95 of top extinguish, if in electricity measurer simultaneously there are two breakdown, in c1The top shines in column
Two diode lights 95 extinguish so that more, as positioning 66 in-position x of vernier2When, b1Accumulator 8 is by positioning mechanism
The resistance of positioning baffle-wall 737 on 73 stops.Curve spring 84 is pushed and be retracted, 54 first Knucle-gear of the first lath by the first lath 54
53 enter b2In accumulator 8, c1In lamp group the bright small cup number of lamp be more than T in the service life1Statistical number m1.The rest may be inferred by analogy, when coaster 2
Reach xk+1When, c2、…、ckThe bright small cup number of lamp is followed successively by m in column lamp group2, m3、…、mk, their service life is successively T2、…、Tk。9]
Luminous point composition, indicates in c1、 c2、…、ckThe bright light of the top forms the curved profile of a monotone decreasing in lamp group, it is substantially
Reflect the service life distribution trend of measured object.10] it calculates average life span τ and obtains parameter lambda=1/ τ.
The full-automatic exponential distribution analyzer of test statistics composition of the invention, has the function of plot analysis: can pass through statistics
Trend rendering index distribution density functionThe image of (x > 0), and the characteristic of analysis index distribution E (λ).Behaviour
It is as step:
One, instrument assembling, two, initial position adjustment with setting, three, determine MaLS and segmentation circle's point, four, measurement,
The operation of statistics and composition and quickly test are identical as demo function.
Five, it draws density function curve: 1] determining the crucial data point of random quantity, transparent chart board is removed in display screen 9
94, rectangular coordinate system Oxy is established using 98 direction of the second scale as horizontal axis on the leading flank of transparent chart board 94, the first scale
Label x in 710 on boundary's sign board 7321、x2、…、xk、xk+1Numerical value correspondence be drawn on the second scale 98, still use x1、
x2、…、xk、xk+1It indicates.2] frequency for determining key point, uses N-m1、N-m2、N-m3、…、N-mkRespectively divided by N as corresponding point
The frequency p that group occursi, i.e. pi=(N-mi)/N, i=1,2 ..., k, 3] determine key point, point (x is described in Oxy1, λ),
(xi+1, pi).4] matched curve, whole point (xi+1, pi) referring to distribution trend line full curve is drawn out, in point (x1, λ) and left
Draw the straight line of y=0, point (x in sidek+1, pk) the right curve suitably extend separately down.5] the transparent chart board 94 of curve will be decorated with
It is fixed on the insulating base 92 of display screen 9 by sucker 910.
Six, it analyzes the characteristic of bi-distribution: image on transparent chart board 94 and luminous point 1] being distinguished into line comparative analysis.2] it closes
Power supply is closed, illustrates exponential distribution feature for segmentation, peak value, the mean value etc. of transparent 94 upper curve of chart board.
The economic value and application prospect of the full-automatic exponential distribution analyzer of test statistics composition of the present invention: with technology into
Step and economic development have increasing need for advanced equipment and improve teaching efficiency and product quality detection level, be badly in need of a kind of operation
Simple exponential distribution demonstrator easy to use, only higher education and training aspect, shared more than 2000 institute, institution of higher education in the whole nation go back
There is numerous enterprises, considerable amount, market prospects are boundless, have good economic well-being of workers and staff and social benefit.
Part that the present invention does not relate to be the same as those in the prior art or can be realized by using the prior art as described above, although
The present invention has been indicated and described referring to specific preferred embodiment, but it shall not be construed as limiting the invention itself.
Without prejudice to the spirit and scope of the invention as defined in the appended claims, it can be made in the form and details
Various change.
Claims (3)
1. the full-automatic exponential distribution analyzer of test statistics composition include bracket, coaster, test bracket, speed changer, transmission mechanism,
Driver, burster, accumulator and display screen, it is characterised in that: speed changer and accumulator, the coaster are placed under bracket
Portion, test bracket, speed changer and transmission mechanism are all placed on coaster, and driver is placed in coaster lower part, and burster is placed in bracket
Rear portion, accumulator are placed on burster, and display screen is placed in the top of bracket.
2. the full-automatic exponential distribution analyzer of test statistics composition according to claim 1, it is characterised in that: the speed change
Case is adjusted flexible by pressure.
3. the full-automatic exponential distribution analyzer of test statistics composition according to claim 1, it is characterised in that: the electromagnetism
The column iron core of spring is equipped with conductive coil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910046176.3A CN109637292A (en) | 2019-01-18 | 2019-01-18 | The full-automatic exponential distribution analyzer of test statistics composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910046176.3A CN109637292A (en) | 2019-01-18 | 2019-01-18 | The full-automatic exponential distribution analyzer of test statistics composition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070783A (en) * | 2019-04-30 | 2019-07-30 | 河南大学 | A kind of statistics normal distribution demonstration teaching aid |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070783A (en) * | 2019-04-30 | 2019-07-30 | 河南大学 | A kind of statistics normal distribution demonstration teaching aid |
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Application publication date: 20190416 |