CN111968417A

CN111968417A - Data mining teaching device

Info

Publication number: CN111968417A
Application number: CN202010826650.7A
Authority: CN
Inventors: 王至婉; 桂吟哲; 李海霞; 李羚
Original assignee: First Affiliated Hospital of Henan University of TCM
Current assignee: First Affiliated Hospital of Henan University of TCM
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-11-20

Abstract

The invention discloses a data mining teaching device, which aims at solving the problem that projection fails due to poor heat dissipation of a projector used in the teaching process, and comprises the projector, wherein a plurality of ventilation openings are formed in the side surface of the projector, the ventilation openings are used for communicating the interior of the projector with the exterior, the inner side walls of the ventilation openings are fixedly connected with a filter plate, the top of the projector is connected with a telescopic rod, the outer side wall of the telescopic rod is fixedly sleeved with a connecting disc, the connecting disc is connected with the top of the projector through a plurality of mounting bolts, a mounting plate is arranged at the top of the telescopic rod, and a plurality of mounting ports are formed in the mounting plate. According to the invention, through the cooperation of the heat dissipation mechanisms, the driving motor drives the fan blades to rotate, and the rotating fan blades guide wind power into the ventilation frame, so that on one hand, the projection lamp bulb radiates heat after working for a long time, and the service quality and the service life of the projection lamp bulb are effectively protected.

Description

Data mining teaching device

Technical Field

The invention relates to the technical field of teaching devices, in particular to a data mining teaching device.

Background

Data mining, also known as knowledge discovery in a database, is a complex process of extracting and mining unknown and valuable knowledge such as patterns or laws from a large amount of data, different data mining algorithms need to be used in the data mining process according to the data mining purpose or actual business requirements, and most of the data mining processes adopt a multimedia projection device to directly display data.

The projecting apparatus is main teaching projection arrangement, however there are a great deal of drawbacks in current teaching projecting apparatus: firstly, the shell of the projection lamp bulb is not processed, so that light is subjected to diffuse emission in the shell, and the light is greatly absorbed, so that the luminous flux is reduced, and the final projection effect is influenced; secondly, the continuous operating time of common metal halogen lamp projection bulb exceeds four hours, then, the inside imaging system of projecting apparatus gives out thermal accumulation, can lead to the inside temperature of projecting apparatus to rise fast, because the quartz of projection bulb inner wall can produce the devitrification phenomenon under the high temperature condition, white spot appears on making projection bulb's the shell, the devitrification department can block light in a large number and penetrate, make the regional temperature anomaly of projection bulb shell rise, impel the regional further expansion of devitrification, make the luminance of projection bulb attenuate fast, and lead to the projection bulb to explode very easily, for this reason, a data mining teaching device is proposed.

Disclosure of Invention

The invention aims to solve the defect that projection bulbs are easy to explode due to continuous work of the projection bulbs in the prior art, and provides a data mining teaching device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a data excavation teaching device comprises a projector, wherein a plurality of ventilation openings are formed in the side face of the projector, the ventilation openings are used for communicating the interior with the exterior of the projector, a filter plate is fixedly connected to the inner side walls of the ventilation openings, a telescopic rod is connected to the top of the projector, a connecting disc is fixedly sleeved on the outer side wall of the telescopic rod, the connecting disc is connected with the top of the projector through a plurality of mounting bolts, a mounting plate is arranged at the top of the telescopic rod, a plurality of mounting ports are formed in the mounting plate, an electric push rod is fixedly connected to the bottom of the mounting plate, the output end of the electric push rod is fixedly connected with the top of the telescopic rod, a light outlet is formed in the front face of the projector, a lens is connected to the inner side wall of the light outlet, a projection bulb shell is arranged in the projector, and the side face of the projection bulb shell is fixedly, the projector comprises a projector shell, a lens, a heat dissipation mechanism, a dust removal mechanism and a light condensation mechanism, wherein the projector shell is internally connected with the projector bulb, the end part of the projector bulb shell is connected with the side surface of the lens through a transmission bolt, the inner side wall of the projector is connected with the heat dissipation mechanism and the dust removal mechanism, and the light condensation mechanism is connected onto the projector bulb shell.

Preferably, the front of the projector is fixedly connected with a storage box, the side surface of the top of the storage box is rotatably connected with a sealing cover, and an alcohol cloth strip is arranged inside the storage box.

Preferably, the heat dissipation mechanism includes a driving motor fixedly connected to the inner side wall of the projector, an output end of the driving motor is fixedly connected with a rotating rod, a ventilation frame is fixedly connected to the side face of one end of the projection bulb shell, the rotating rod extends to the inside of the ventilation frame and is rotatably connected with the inner side wall of the ventilation frame, a fan blade is fixedly sleeved on the outer side wall of the rotating rod and located inside the ventilation frame, a plurality of air guide openings are formed in the ventilation frame, the ventilation frame is communicated with the inside of the projection bulb shell through the air guide openings, and a second air guide pipe is fixedly connected to the inner side wall of the air guide openings.

Preferably, the side face of the ventilation frame is fixedly connected with a plurality of first air guide pipes, the first air guide pipes are communicated with the ventilation frame, one ends, far away from the ventilation frame, of the first air guide pipes are obliquely arranged, and the end portions of the first air guide pipes are located on the side face of the filter plate.

Preferably, dust removal mechanism is including fixed silk panel of cup jointing on the dwang lateral wall, the lateral wall of dwang rotates and is connected with the glass board, silk panel and glass board all are the setting of platykurtic cylinder just one side laminating that silk panel and glass board are relative, the bottom fixedly connected with installation pole of glass board, the one end that glass board was kept away from to the installation pole and the inside wall fixed connection of projecting apparatus.

Preferably, the light-gathering mechanism comprises a plurality of LEJ energy-saving reflectors connected to the inner side wall of the projection bulb shell, and the LEJ energy-saving reflectors are arranged in an elongated shape.

Preferably, a plurality of fixing screw holes are formed in the LEJ energy-saving reflector, and corresponding fixing bolts are connected to the fixing screw holes in a threaded manner.

Preferably, an image source is mounted on the projection bulb housing.

A method of data mining teaching, comprising:

s1, obtaining information base data in a teaching computer problem base, wherein the information base comprises a problem base information base and a teacher teaching case information base, the problem base information base comprises a problem entry date and a classification position of a problem, and the teacher teaching case information base comprises a reference teaching date of the problem, teaching times of the problem reference and a name of a reference teacher;

s2, preprocessing data, classifying and integrating titles with different uploaders and different uploading positions, and continuously integrating data titles with different formats, different subjects and different characteristics physically or logically to form a unified and normalized data set, and recording common characteristics of the data after unifying the data set;

s3, data mining, wherein each feature vector comprises a numerical value corresponding to the corresponding target object, discretization operation is carried out on each field in each sample in a total database according to actual conditions, the screened feature vectors are used for finding out the required numerical value;

and S4, outputting data information and finding out the required question value from the question bank.

Compared with the prior art, the invention has the beneficial effects that:

1. through the cooperation work between the heat dissipation mechanism, make driving motor drive flabellum rotate, the pivoted flabellum gets into the ventilation frame with the wind-force guide, on the one hand the projection bulb dispels the heat after working for a relatively long time, avoided the inside imaging system of projecting apparatus to distribute out thermal accumulation, lead to the inside problem that the temperature of projecting apparatus risees fast, further avoid the quartzy of projection bulb inner wall to produce the devitrification phenomenon under the high temperature condition, white spot appears on making the shell of projection bulb, the devitrification department can block light in a large number and jet out, make the local area temperature of projection bulb shell rise unusually, lead to the condition of the rapid decay of luminance of projection bulb or even projection bulb explosion, the effectual quality of use and the life who protects projection bulb.

2. Through the cooperation between the spotlight mechanism, make LEJ energy-conserving reflector panel can the effectual light of preserving projection bulb production, avoided the diffuse transmission that light goes on in projection bulb shell the inside, the light is absorbed the condition that makes the luminous flux reduce in a large number, makes the more concentrated ejection of luminous flux of the reflection of facing directly, the effectual formation of image luminance that has promoted on the curtain, the learner of being convenient for watches, has promoted the efficiency of study greatly.

Drawings

Fig. 1 is a schematic structural diagram of a data mining teaching device according to the present invention;

fig. 2 is a schematic structural diagram of a projector of a data mining teaching device according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is an exploded view of the connection of a silk panel and a glass plate of a teaching device for data mining according to the present invention.

In the figure: the system comprises a projector 1, a connecting disc 2, a telescopic rod 3, an electric push rod 4, a mounting plate 5, a lens 6, a storage box 7, an air vent 8, a connecting rod 9, a filter plate 10, a mounting port 11, a driving motor 12, a mounting rod 13, a projection bulb shell 14, an energy-saving reflector 15LEJ, a projection bulb 16, a rotating rod 17, a silk panel 18, a glass plate 19, a ventilation frame 20, a first air duct 21, a fan blade 22, a second air duct 23 and an image source 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a data mining teaching device comprises a projector 1, a plurality of vents 8 are formed in the side surface of the projector 1, the vents 8 communicate the inside and the outside of the projector 1, a filter plate 10 is fixedly connected to the inner side walls of the vents 8, a telescopic rod 3 is connected to the top of the projector 1, a connecting disc 2 is fixedly sleeved on the outer side wall of the telescopic rod 3, the connecting disc 2 is connected to the top of the projector 1 through a plurality of mounting bolts, a mounting plate 5 is arranged at the top of the telescopic rod 3, a plurality of mounting ports 11 are formed in the mounting plate 5, an electric push rod 4 is fixedly connected to the bottom of the mounting plate 5, the output end of the electric push rod 4 is fixedly connected to the top of the telescopic rod 3, a storage box 7 is fixedly connected to the front surface of the projector 1, a sealing cover is rotatably connected to the side surface, through the setting of savings box 7 and alcohol cloth, the accessible is taken out the alcohol cloth from savings box 7 and is carried out one-way the cleaning to lens 6 on the projecting apparatus 1 is positive, guarantee the positive cleanliness factor of lens 6, it influences the formation of image result to be stained with the dust on the lens 6 to avoid, avoid making a round trip to clean or the circling cleans, cause the damage of lens 6 coating film, the light-emitting window has been seted up in projecting apparatus 1's front, the inside wall of light-emitting window is connected with lens 6, projecting apparatus 1's inside is equipped with projection bulb shell 14, projection bulb shell 14's side is through the inside wall fixed connection of a plurality of connecting rods 9 with projecting apparatus 1, projection bulb shell 14's internal connection has projection bulb 16, projection bulb shell 14's tip passes through drive bolt and is connected with lens 6's side, install image source 24 on the projection.

The inner side wall of the projector 1 is connected with a heat dissipation mechanism and a dust removal mechanism, the heat dissipation mechanism comprises a driving motor 12 fixedly connected on the inner side wall of the projector 1, the output end of the driving motor 12 is fixedly connected with a rotating rod 17, the side surface of one end of a projection bulb shell 14 is fixedly connected with a ventilation frame 20, the rotating rod 17 extends into the ventilation frame 20 and is rotatably connected with the inner side wall of the ventilation frame 20, the outer side wall of the rotating rod 17 positioned in the ventilation frame 20 is fixedly sleeved with a fan blade 22, the ventilation frame 20 is provided with a plurality of air guide openings, the ventilation frame 20 is communicated with the interior of the projection bulb shell 14 through the air guide openings, the inner side wall of the air guide openings is fixedly connected with a second air guide pipe 23, the side surface of the ventilation frame 20 is fixedly connected with a plurality of first air guide pipes 21 which are communicated with the ventilation frame 20, one end of the first air guide pipes 21, through the cooperation of the heat dissipation mechanisms, the driving motor 12 drives the fan blades 22 to rotate, the rotating fan blades 22 guide wind power into the ventilation frame 20, on one hand, the projection lamp 16 dissipates heat after long-term work, the problem that the temperature in the projector 1 is rapidly increased due to the accumulation of heat emitted by an imaging system in the projector 1 is solved, the phenomenon that quartz on the inner wall of the projection lamp 16 is devitrified under the high temperature condition is further avoided, white spots appear on the shell of the projection lamp 16, the devitrified part can block a large amount of light rays from being emitted, the temperature in the local area of the shell of the projection lamp is abnormally increased, the brightness of the projection lamp is rapidly attenuated, even the projection lamp explodes, the service quality and the service life of the projection lamp 16 are effectively protected, on the other hand, dust attached to the interior of the shell 14 of the projection lamp is removed by the wind power, the dust that accumulates on the protection bulb shell 14 of humid environment is avoided to form the rete of cement form, makes the local accumulated temperature of protection bulb 16 too high, expend with heat and contract with cold and the condition of exploding and splitting in the course of the work, the effectual life who guarantees protection bulb 16, and further protection bulb 16 can be freely changed from protection bulb shell 14, has guaranteed protection bulb 16's result of use.

The dust removing mechanism comprises a silk panel 18 fixedly sleeved on the outer side wall of a rotating rod 17, the outer side wall of the rotating rod 17 is rotatably connected with a glass plate 19, the silk panel 18 and the glass plate 19 are both arranged in a flat cylinder shape, one side of the silk panel 18 opposite to the glass plate 19 is attached, the bottom of the glass plate 19 is fixedly connected with an installation rod 13, one end, far away from the glass plate 19, of the installation rod 13 is fixedly connected with the inner side wall of the projector 1, through the matching work between the dust removing mechanisms, the driving motor 12 is enabled to drive the rotating rod 17 to rotate, the silk panel 18 and the glass plate 19 are electrified in a friction mode, the silk panel 18 is enabled to absorb dust inside the projector 1, the glass plate 19 absorbs dust possibly attached to a fan blade 22, the rotating efficiency of the fan blade 22 is prevented from being influenced by residual dust on the fan blade 22, meanwhile, the dust in the fan blade 22 is prevented from entering a projection bulb 16 on the projection bulb 14, the, be connected with spotlight mechanism on projection bulb shell 14, spotlight mechanism is including connecting a plurality of LEJ energy-conserving reflector panels 15 on the 14 inside walls of projection bulb shell, LEJ energy-conserving reflector panel 15 is rectangular form setting, a plurality of fixed screw have been seted up on the LEJ energy-conserving reflector panel 15, threaded connection has the fixing bolt that corresponds on the fixed screw, cooperation work through between the spotlight mechanism, make LEJ energy-conserving reflector panel 15 can the effectual light that preserves projection bulb 16 and produce, the diffuse transmission that light goes on in projection bulb shell 14 the inside has been avoided, the condition that light made the luminous flux reduce by absorbing in a large number, make the more concentrated effluvium of the luminous flux of straight surface reflection, the effectual formation of image luminance on the curtain that has promoted, be convenient for the learner to watch, the efficiency of study has been promoted greatly.

A method of data mining teaching, comprising:

In the present invention, the image generated at the image source 24 is illuminated by the projection bulb 16 on the projection bulb housing 14, so that the image is projected onto the imaging screen through the lens 6, thereby facilitating human observation and study on the screen.

During operation, turn on the switch of driving motor 12 power, driving motor 12's output drives dwang 17 and rotates, flabellum 22 on the dwang 17 lateral wall rotates, make flabellum 22 produce wind-force, wind enters into a plurality of second guide ducts 23 and enters into the inside of projection bulb shell 14 along ventilating frame 20, dispel the heat to projection bulb 16 immediately, guarantee that the temperature on the projection bulb 16 can not be too high all the time, the wind-force of another part driving motor 12 enters into the inside of projecting apparatus 1 through first guide duct 21, dispel the heat to projecting apparatus 1 inside, the wind that flows out simultaneously through first guide duct 21 can blow away remaining dust on the filter 10, make on the filter 10 relatively keep clean.

Pivoted dwang 17 drives silk panel 18 simultaneously and rotates, silk panel 18 rotates and makes silk panel 18 and the relative one side friction of glass board 19 give birth to electricity, make silk panel 18 go up the negative electricity, the last positive electricity that takes of glass board 19, the dust of gathering on the electrified glass board 19 can attract flabellum 22, silk panel 18 can attract 1 inside remaining dust of projecting apparatus, with the dust gathering on silk panel 18 and glass board 19, during the stop work, the dust can fall on the filter 10 of bottom, be convenient for clear up.

Can install mounting panel 5 in the position that corresponds with the device through a plurality of installing ports 11 on the mounting panel 5, make the whole state that is in of device, open the switch of electric putter 4 power, can make electric putter 4 drive telescopic link 3 and drive 1 whole reciprocates, the adjustment of the image presentation position on the curtain of the projecting apparatus 1 of being convenient for.

The storage box 7 can be opened, the front surface of the lens 6 is wiped in a single direction through the alcohol cloth strips in the storage box 7, and dust on the lens 6 is cleaned.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The data excavation teaching device comprises a projector (1) and is characterized in that a plurality of ventilation openings (8) are formed in the side face of the projector (1), the ventilation openings (8) communicate the inside and the outside of the projector (1), a plurality of filter plates (10) are fixedly connected to the inner side walls of the ventilation openings (8), a telescopic rod (3) is connected to the top of the projector (1), a connecting disc (2) is fixedly sleeved on the outer side wall of the telescopic rod (3), the connecting disc (2) is connected with the top of the projector (1) through a plurality of mounting bolts, a mounting plate (5) is arranged at the top of the telescopic rod (3), a plurality of mounting ports (11) are formed in the mounting plate (5), an electric push rod (4) is fixedly connected to the bottom of the mounting plate (5), and the output end of the electric push rod (4) is fixedly connected with the top of the telescopic rod (3), the utility model discloses a projector, including projecting apparatus (1), light-emitting port, lens (6), the inside of projecting apparatus (1) is equipped with projection bulb shell (14), the inside wall fixed connection of side through a plurality of connecting rods (9) and projecting apparatus (1) of projection bulb shell (14), the internal connection of projection bulb shell (14) has projection bulb (16), the tip of projection bulb shell (14) passes through drive bolt and is connected with the side of lens (6), the inside wall of projecting apparatus (1) is connected with heat dissipation mechanism and dust removal mechanism, be connected with spotlight mechanism on projection bulb shell (14).

2. The data mining teaching device as claimed in claim 1, wherein a storage box (7) is fixedly connected to the front face of the projector (1), a sealing cover is rotatably connected to the side face of the top of the storage box (7), and an alcohol cloth strip is arranged inside the storage box (7).

3. The data mining teaching device according to claim 1, wherein the heat dissipation mechanism comprises a driving motor (12) fixedly connected to an inner side wall of the projector (1), an output end of the driving motor (12) is fixedly connected with a rotating rod (17), a ventilation frame (20) is fixedly connected to a side face of one end of the projection bulb shell (14), the rotating rod (17) extends into the ventilation frame (20) and is rotatably connected with the inner side wall of the ventilation frame (20), a fan blade (22) is fixedly sleeved on an outer side wall of the rotating rod (17) located inside the ventilation frame (20), a plurality of air guide openings are formed in the ventilation frame (20), the ventilation frame (20) is communicated with the inside of the projection bulb shell (14) through the air guide openings, and second air guide pipes (23) are fixedly connected to the inner side wall of the air guide openings.

4. The data mining teaching device according to claim 3, wherein a plurality of first air guide pipes (21) are fixedly connected to the side face of the ventilation frame (20), the first air guide pipes are communicated with the ventilation frame (20), one ends, far away from the ventilation frame (20), of the first air guide pipes (21) are obliquely arranged, and the end portions of the first air guide pipes (21) are located on the side face of the filter plate (10).

5. The data mining teaching device as claimed in claim 3, wherein the dust removing mechanism comprises a silk panel (18) fixedly sleeved on the outer side wall of the rotating rod (17), the outer side wall of the rotating rod (17) is rotatably connected with a glass plate (19), the silk panel (18) and the glass plate (19) are both arranged in a flat cylinder mode, one side, opposite to the silk panel (18) and the glass plate (19), of the silk panel is attached to one side, the bottom of the glass plate (19) is fixedly connected with a mounting rod (13), and one end, far away from the glass plate (19), of the mounting rod (13) is fixedly connected with the inner side wall of the projector (1).

6. A data mining teaching device according to claim 1 wherein the light gathering mechanism includes a plurality of LEJ energy saving reflectors (15) attached to the inside walls of the projection light bulb housing (14), the LEJ energy saving reflectors (15) being arranged in an elongated configuration.

7. The data mining teaching device as claimed in claim 6, wherein a plurality of fixing screw holes are formed on the LEJ energy-saving reflector panel (15), and corresponding fixing bolts are connected to the fixing screw holes in a threaded manner.

8. A data mining teaching device according to claim 1, wherein the projection light bulb housing (14) has an image source (24) mounted thereon.

9. A data mining teaching method is characterized by comprising the following steps: