CN210515691U

CN210515691U - Projector for foreign language teaching

Info

Publication number: CN210515691U
Application number: CN201920736842.1U
Authority: CN
Inventors: 徐瑞阳
Original assignee: Shandong Polytechnic College
Current assignee: Shandong Polytechnic College
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-12
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a projecting apparatus for foreign language teaching, which comprises an outer shell, the second is installed on the shell top and is rotated the seat, the second is rotated a top and is rotated and be connected with first rotation seat, the fixing base is installed on first rotation seat top, infrared receiving lamp is installed in the shell left side, projecting lens is installed on the shell right side. The utility model discloses an extend the seat, a slide rail, the sliding seat, electric telescopic handle, the setting of dust cleaning board and brush, through extending seat bottom electric telescopic handle's expansion, make the dust cleaning board reciprocate, the sliding seat of dust cleaning board both sides slides on the slide rail, thereby the brush reciprocates clearance projecting lens, can effectually guarantee the cleanness before the projecting lens, avoid needing to stand high to clean projecting lens, lead to dangerous emergence, dust cleaning board and brush are located the projecting lens top simultaneously, can shelter from the dust and fall on the projecting lens, and is comparatively practical, and is suitable for extensively promoting and using.

Description

Projector for foreign language teaching

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a projecting apparatus for foreign language teaching.

Background

The projector is an optical instrument that utilizes optical element to enlarge the profile of work piece to with its projection on the screen, along with the development of science and technology, uses in the place of difference, and present teaching is with the projector and is adopted suspension type projector more, but suspension type projector is the ash that easily falls, and it is many to lead to the last dust of projecting lens, influences the projection effect, cleans simultaneously and need climb, takes place danger easily, therefore we propose a projector for the foreign language teaching.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a foreign language teaching projector, which solves the problems of the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projecting apparatus for foreign language teaching, includes the shell, the shell top is installed the second and is rotated the seat, the second rotates a top and rotates and be connected with first rotation seat, the fixing base is installed on first rotation seat top, infrared receiving lamp is installed in the shell left side, projecting lens is installed on the shell right side, the sliding tray has been seted up to the projecting lens both sides, sliding tray top sliding connection has the sliding seat, the dust-cleaning board is installed to the sliding seat right-hand member, shell top right side is installed and is extended the seat, it has electric telescopic handle to extend a mid-mounting.

As a preferred embodiment of the utility model, the left end of the dust cleaning plate is provided with a brush.

As a preferred embodiment of the utility model, the dust cleaning plate is installed to electric telescopic handle bottom.

As a preferred embodiment of the utility model, the heat dissipation fan is installed to the shell left end, the radiator-grid is installed to heat dissipation fan left end.

As the utility model discloses a preferred embodiment, the singlechip is installed on the shell right side, the model of singlechip is 89c51, the signal input part of singlechip is connected with the signal output part of infrared receiving lamp, electric telescopic handle's signal input part is connected with the signal output part of singlechip.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a projecting apparatus for foreign language teaching rotates the setting of seat and fixing base through first rotation seat, second, passes through the bolt fastening with the fixing base and presses on the wall crown, rotates the seat through rotating first rotation seat of adjustment and second, can adjust the projecting apparatus angle, adjustment projection angle that can convenient and fast improves the teaching effect.

2. The utility model discloses a projecting apparatus for foreign language teaching, through extending the seat, a slide rail, the sliding seat, electric telescopic handle, the setting of dust removal board and brush, through extending seat bottom electric telescopic handle's expansion, make the dust removal board reciprocate, dust removal board both sides sliding seat slides on the slide rail, thereby the brush reciprocates clearance projecting lens, the cleanness before can effectual assurance projecting lens, avoid needing to stand high to clean projecting lens, lead to dangerous emergence, dust removal board and brush are located the projecting lens top simultaneously, can shelter from the dust and fall on projecting lens.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is an overall front view of the projector for foreign language teaching according to the present invention;

fig. 2 is a schematic view of the external view of the projector for foreign language teaching according to the present invention.

FIG. 3 is a left side view of the structure of the projector for foreign language teaching of the present invention

In the figure: 1. an infrared receiving lamp; 2. a housing; 3. a second rotating base; 4. a first rotating base; 5. a fixed seat; 6. a dust cleaning plate; 7. a slide rail; 8. a projection lens; 9. an electric telescopic rod; 10. an extension base; 11. a brush; 12. a sliding seat; 13. a heat-dissipating web; 14. a heat dissipation fan; 15. and a single chip microcomputer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a projecting apparatus for foreign language teaching, includes

shell

2, 2 tops of shell are installed the second and are rotated seat 3, the second rotates 3 tops of seat and rotates and be connected with first rotation seat 4, first rotation seat 4 tops are installed and are fixed base 5, infrared receiving lamp 1 is installed in 2 left sides of shell, projecting lens 8 is installed on 2 right sides of shell, sliding tray 7 has been seted up to projecting lens 8 both sides, 7 top sliding connection of sliding tray have sliding seat 12, dust board 6 is installed to sliding seat 12 right-hand member, 2 top right sides of shell are installed and are extended seat 10, it has electric telescopic handle 9 to extend 10 mid-mounting.

In this embodiment, please refer to fig. 1 and 2, the fixing base 5 is fixed on the wall top through the bolts by the arrangement of the first rotating base 4, the second rotating base 3 and the fixing base 5, and the angle of the projector can be adjusted by rotating and adjusting the first rotating base 4 and the second rotating base 3, so that the projection angle can be conveniently and rapidly adjusted, and the teaching effect is improved.

Wherein, the left end of the dust cleaning plate 6 is provided with a brush 11.

In the embodiment, please refer to fig. 2, the sliding seat 12 slides up and down on the sliding groove 7 to drive the dust-cleaning plate 6 to drive the brush 11, so as to clean the projection lens 8 conveniently and quickly.

Wherein, the bottom end of the electric telescopic rod 9 is provided with a dust cleaning plate 6.

In this embodiment, please refer to fig. 2, the electric telescopic rod 9 at the bottom of the extension seat 10 is started to drive the dust cleaning plate 6 to move up and down, so as to avoid the danger caused by manual climbing up and down.

Wherein, radiator fan 14 is installed to the shell 2 left end, radiator net 13 is installed to radiator fan 14 left end.

In the embodiment, referring to fig. 1, the heat dissipation fan 14 is activated to help the inside of the device dissipate heat, and the heat dissipation net 13 prevents dust from entering the inside of the device, which leads to mechanical aging of the inside of the device.

Wherein, singlechip 15 is installed on shell 2 right side, singlechip 15's model is 89c51, singlechip 15's signal input part is connected with the signal output part of infrared receiving lamp 1, the signal input part of electric telescopic handle 9 is connected with singlechip 15's signal output part.

In this embodiment, please refer to fig. 3, the infrared receiving lamp 1 receives a signal, the signal is transmitted to the single chip microcomputer 15, and the single chip microcomputer 15 starts the electric telescopic rod.

It should be noted that the utility model is a projector for foreign language teaching, which comprises an infrared receiving lamp 1, a shell 2, a second rotating seat 3, a first rotating seat 4, a fixed seat 5, a dust cleaning plate 6, a sliding rail 7, a projecting lens 8, an electric telescopic rod 9, an extending seat 10, a brush 11, a sliding seat 12, a radiator screen 13, a radiator fan 14 and a singlechip 15, all of which are universal standard parts or parts known by technicians in the field, the structure and principle of which are known by technicians in the field through technical manuals or conventional experimental methods, a remote controller is arranged outside the projector during working, the fixed seat 5 is fixed on the wall top through bolts, the angle of the projector can be adjusted by rotating and adjusting the first rotating seat 4 and the second rotating seat 3, the dust cleaning plate 6 is moved up and down through the expansion of the electric telescopic rod 9 at the bottom end of the extending seat 10, the sliding seats 12 at both sides of the dust cleaning plate 6 slide on the sliding rail 7, the brush 11 thus moves up and down to clean the projection lens.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a projector for foreign language teaching, includes shell (2), its characterized in that: the utility model discloses a portable electronic device, including shell (2), second rotation seat (3) top is installed and is connected with first rotation seat (4), fixing base (5) are installed on first rotation seat (4) top, infrared receiving lamp (1) are installed in shell (2) left side, projection lens (8) are installed on shell (2) right side, sliding tray (7) have been seted up to projection lens (8) both sides, sliding tray (7) top sliding connection has sliding seat (12), dust board (6) are installed to sliding seat (12) right-hand member, shell (2) top right side is installed and is extended seat (10), it has electric telescopic handle (9) to extend seat (10) mid-mounting.

2. The projector for foreign language teaching according to claim 1, wherein: the left end of the dust cleaning plate (6) is provided with a brush (11).

3. The projector for foreign language teaching according to claim 1, wherein: and a dust cleaning plate (6) is arranged at the bottom end of the electric telescopic rod (9).

4. The projector for foreign language teaching according to claim 1, wherein: heat dissipation fan (14) are installed to shell (2) left end, radiator mesh (13) are installed to heat dissipation fan (14) left end.

5. The projector for foreign language teaching according to claim 1, wherein: singlechip (15) are installed on shell (2) right side, the model of singlechip (15) is 89c51, the signal input part of singlechip (15) is connected with the signal output part of infrared receiving lamp (1), and the signal input part of electric telescopic handle (9) is connected with the signal output part of singlechip (15).