CN108828889B - Intelligent teaching projection equipment for management science and engineering - Google Patents

Abstract

The invention discloses an intelligent teaching projection device for management science and engineering, comprising a base plate, a pillar and a projector casing. A plurality of pillars are fixed around the upper part of the base plate, and a mounting plate is fixed at the top of the pillar. A spherical seat is arranged in the middle of the upper left side of the bottom plate, a spherical groove is arranged above the spherical seat, and a universal ball head is arranged inside the spherical groove, and the universal ball head is rotatably connected with the spherical groove, and the The upper end of the universal ball head is fixedly connected with the left end of the projector housing, a control box is arranged in the middle above the bottom plate, a groove is arranged on the right side above the bottom plate, and a stopper is slidably arranged in the middle of the groove, and the concave A first electric telescopic rod is fixed at the front end of the groove, and the output end of the first electric telescopic rod is fixedly connected with the front end of the stopper. The product of the present invention has a simple structure, various functions, good heat dissipation performance, and can effectively adjust the position of the projector. Make adjustments to facilitate the promotion and use.

Description

An intelligent teaching projection equipment for management science and engineering

technical field

The invention relates to the technical field of teaching facilities, in particular to an intelligent teaching projection device for management science and engineering.

Background technique

The projector is an optical instrument that uses optical components to enlarge the outline of the workpiece and project it onto the screen. It can use transmitted light for profile measurement, and can also use reflected light to measure the surface shape of non-through holes and observe the surface of parts. The projector is especially suitable for measuring complex contours and small workpieces, such as clock parts, stamping parts, electronic components, templates, molds, threads, gears and forming tools, etc. Especially suitable for the instrumentation and watch industry. The portability of the projector makes up for the teaching vacancy. In the future, teachers only need to store the materials in the projector to show them to students for teaching, saving the trouble of textbooks and handwriting with pens and chalks.

However, in the teaching process, in many cases there will be incomplete projection of the projector, and the projection equipment cannot be adjusted independently. In many cases, technicians are required to debug, which delays the teaching time, affects the teaching quality, and is not conducive to teaching. Some projection equipment does not have a heat sink, which makes the projector easy to accumulate a lot of heat when it is used for a long time, causing damage to the inside of the equipment and affecting normal use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an intelligent teaching projection device for management science and engineering, so as to solve the problems raised in the above background technology.

To achieve the above object, the present invention provides the following technical solutions:

An intelligent teaching projection device for management science and engineering, comprising a base plate, a pillar and a projector housing, a plurality of pillars are fixed around the upper part of the base plate, a mounting plate is fixed at the top of the pillar, and a left side above the base plate is fixed. A spherical seat is arranged in the middle, a spherical groove is arranged above the spherical seat, and a universal ball head is arranged inside the spherical groove, and the universal ball head is rotatably connected with the spherical groove, and the universal ball head The upper end is fixedly connected with the left end of the projector housing, a control box is arranged in the middle above the bottom plate, a groove is arranged on the right side above the bottom plate, a block is slidably arranged in the middle of the groove, and the front end of the groove is fixed There is a first electric telescopic rod, the output end of the first electric telescopic rod is fixedly connected with the front end of the block, the rear end inside the groove is fixedly provided with a telescopic device, and the front end of the telescopic device is fixedly connected with the block, so A fixing plate is fixedly connected above the block by screws, a second electric telescopic rod is fixed above the fixing plate, and the output end of the second electric telescopic rod is hingedly connected with the right end of the projector housing, and the projector housing The bottom of the body is provided with an exhaust fan assembly, the upper surface of the projector housing is provided with heat sinks, and the interior of the projector housing is provided with a temperature sensor electrically connected to the control box.

Preferably, a plurality of mounting holes are provided around the upper surface of the mounting plate.

Preferably, the exhaust fan assembly includes a plurality of exhaust fans.

Preferably, dust protection nets are provided on the outside of the exhaust fan.

Preferably, a control module and a wireless receiving module are arranged inside the control box, and the control modules are respectively electrically connected with the wireless receiving module, the exhaust fan assembly, the first electric telescopic rod and the second electric telescopic rod.

Preferably, the heat sink is made of pure copper material.

Preferably, a sound insulation layer is provided on the inner wall of the projector housing.

Preferably, the telescopic device includes a telescopic spring and a retaining ring, the rear end of the telescopic spring is fixedly connected to the bottom plate, the front end of the telescopic spring is fixedly connected to the retaining ring, and the retaining ring is fixedly connected to the stopper.

Compared with the prior art, the beneficial effects of the present invention are: by the universal ball head and the spherical seat provided, the rotation of the projector shell can be facilitated, the position adjustment of the projector is convenient, and the use is convenient; The first electric telescopic rod and the second electric telescopic rod can effectively adjust the projector housing in all directions, ensure the integrity of the projector projection, and facilitate teaching; the exhaust fan assembly and heat sink provided can effectively The heat generated by the projector can be dissipated effectively to avoid equipment damage caused by heat accumulation; the product of the invention has simple structure, diverse functions, good heat dissipation performance, can effectively adjust the position of the projector, and is conducive to popularization and use.

Description of drawings

Fig. 1 is a kind of structural schematic diagram of intelligent teaching projection equipment for management science and engineering;

Fig. 2 is a kind of top-view structure schematic diagram of intelligent teaching projection equipment for management science and engineering;

3 is a schematic bottom view structure diagram of a projector housing in an intelligent teaching projection device for management science and engineering;

Figure 4 is a circuit block diagram of a control box in an intelligent teaching projection device for management science and engineering.

In the picture: 1-base plate, 2-pillar, 3-installation plate, 5-projector housing, 6-temperature sensor, 7-heat sink, 8-second electric telescopic rod, 9-fixed plate, 10-block Block, 11-groove, 12-wireless receiving module, 14-control module, 15-control box, 16-ball seat, 17-universal ball joint, 18-ball groove, 19-installation hole, 20-expansion spring , 21 - retaining ring, 22 - dust protection net, 23 - exhaust fan, 24 - the first electric telescopic rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 4 , the present invention provides a technical solution: an intelligent teaching projection device for management science and engineering, comprising a base plate 1 , a pillar 2 and a projector housing 5 . There are two pillars 2, the top of the pillar 2 is fixed with a mounting plate 3, a spherical seat 16 is provided in the middle of the upper left side of the bottom plate 1, and a spherical groove 18 is provided above the spherical seat 16. The spherical groove 18 There is a universal ball head 17 inside, the universal ball head 17 is rotatably connected with the spherical groove 18, the upper end of the universal ball head 17 is fixedly connected with the left end of the projector housing 5, and the middle of the bottom plate 1 is provided with In the control box 15, a groove 11 is provided on the upper right side of the bottom plate 1, a block 10 is slidably provided in the middle of the groove 11, and a first electric telescopic rod 24 is fixed at the front end of the groove 11. The output end of the first electric telescopic rod 24 is fixedly connected to the front end of the block 10 , a telescopic device is fixedly arranged at the rear end of the groove 11 , the front end of the telescopic device is fixedly connected to the block 10 , and the upper part of the block 10 passes through. A fixing plate 9 is fixedly connected with screws. A second electric telescopic rod 8 is fixed above the fixing plate 9. The output end of the second electric telescopic rod 8 is hingedly connected to the right end of the projector housing 5. The projector housing The bottom of the body 5 is provided with an exhaust fan assembly, the upper surface of the projector housing 5 is provided with a heat sink 7 , and the interior of the projector housing 5 is provided with a temperature sensor 6 that is electrically connected to the control box 15 .

Wherein, a plurality of mounting holes 19 are provided around the upper surface of the mounting plate 3 to facilitate the mounting and fixing of the device. The exhaust fan assembly includes a plurality of exhaust fans 23 . The outside of the exhaust fan 23 is provided with a dust-proof protection net 22, which can effectively prevent dust from entering the interior of the device and affect the accuracy of the device.

The control box 15 is provided with a control module 14 and a wireless receiving module 12. The control module 14 is electrically connected to the wireless receiving module 12, the exhaust fan assembly, the first electric telescopic rod 24 and the second electric telescopic rod 8, respectively.

The heat sink 7 is made of pure copper material. A sound insulation layer is provided on the inner wall of the projector housing 5 .

The telescopic device includes a telescopic spring 20 and a retaining ring 21 . The rear end of the telescopic spring 20 is fixedly connected to the bottom plate 1 , the front end of the telescopic spring 20 is fixedly connected to the retaining ring 21 , and the retaining ring 21 is fixedly connected to the stopper 10 . .

The working principle of the present invention is as follows: by the provided universal ball head 17 and the spherical seat 16, the rotation of the projector housing 5 can be facilitated, the position adjustment of the projector can be facilitated, and the use of the projector can be facilitated; The telescopic rod 24 and the second electric telescopic rod 8 can effectively adjust the projector housing in all directions, ensure the integrity of the projector projection, and facilitate teaching; the exhaust fan assembly and the heat sink 7 provided can effectively Dissipate the heat generated by the projector to avoid heat build-up and damage to the device.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. An intelligent teaching projection device for management science and engineering, comprising a base plate (1), a pillar (2) and a projector housing (5), characterized in that: the base plate (1) is fixedly provided with a plurality of A pillar (2), a mounting plate (3) is fixed at the top of the pillar (2), a spherical seat (16) is provided in the middle of the upper left side of the bottom plate (1), and a spherical seat (16) is provided above the inside A spherical groove (18), the spherical groove (18) is provided with a universal ball head (17), the universal ball head (17) is rotatably connected with the spherical groove (18), the universal ball The upper end of the head (17) is fixedly connected with the left end of the projector housing (5), a control box (15) is arranged in the middle above the bottom plate (1), and a groove (11) is arranged on the right side above the bottom plate (1), A block (10) is slidably provided in the middle of the groove (11), and a first electric telescopic rod (24) is fixedly arranged at the front end of the groove (11). The output end is fixedly connected with the front end of the block (10), the inner rear end of the groove (11) is fixedly provided with a telescopic device, and the front end of the telescopic device is fixedly connected with the block (10), above the block (10) A fixing plate (9) is fixedly connected by screws, a second electric telescopic rod (8) is fixed above the fixing plate (9), and the output end of the second electric telescopic rod (8) is connected to the projector housing ( 5) The right end is hingedly connected, an exhaust fan assembly is arranged at the bottom of the projector housing (5), a heat sink (7) is arranged on the upper surface of the projector housing (5), and the projector housing (5) is internally A temperature sensor (6) electrically connected to the control box (15) is arranged in the middle. 2 . The intelligent teaching projection device for management science and engineering according to claim 1 , wherein a plurality of mounting holes ( 19 ) are provided around the upper surface of the mounting plate ( 3 ). 3 . 3 . The intelligent teaching projection device for management science and engineering according to claim 1 , wherein the exhaust fan assembly comprises a plurality of exhaust fans ( 23 ). 4 . 4. An intelligent teaching projection device for management science and engineering according to claim 3, characterized in that: dust protection nets (22) are provided on the outside of the exhaust fan (23). 5 . The intelligent teaching projection device for management science and engineering according to claim 1 , wherein the control box ( 15 ) is provided with a control module ( 14 ) and a wireless receiving module ( 12 ) inside the control box ( 15 ). 6 . The control module (14) is respectively electrically connected with the temperature sensor (6), the wireless receiving module (12), the exhaust fan assembly, the first electric telescopic rod (24) and the second electric telescopic rod (8). 6 . The intelligent teaching projection device for management science and engineering according to claim 1 , wherein the heat sink ( 7 ) is made of pure copper material. 7 . 7 . The intelligent teaching projection device for management science and engineering according to claim 1 , wherein a sound insulation layer is provided on the inner wall of the projector housing ( 5 ). 8 . 8 . The intelligent teaching projection equipment for management science and engineering according to claim 1 , wherein the telescopic device comprises a telescopic spring (20) and a retaining ring (21). The end is fixedly connected with the bottom plate (1), the front end of the telescopic spring (20) is fixedly connected with the retaining ring (21), and the retaining ring (21) is fixedly connected with the stopper (10).

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