CN107437342A - A new type of teaching experiment desk - Google Patents

Abstract

The invention discloses a novel teaching experiment lectern, which comprises a lectern body, wherein a hand washing tray is arranged on the lectern body, a faucet is arranged on the lectern body above the hand washing tray, and the novel teaching experiment lectern is characterized in that: the teaching desk comprises a desk body and is characterized in that a camera is arranged above the desk body, a first moving mechanism which drives the camera to move left and right is arranged on the desk body, an adjusting mechanism which can drive the camera to adjust the inclination angle up and down is arranged on the first moving mechanism, an infrared sensor which can sense the position of a person and then starts the first moving mechanism and the adjusting mechanism is arranged on the desk body, a main projection plate is arranged in the middle of the front end of the desk body, auxiliary projection plates are arranged on two sides of the main projection plate, and a second adjusting mechanism which adjusts the angle of the auxiliary projection plate is arranged at the lower end of the auxiliary projection plate.

Description

A new type of teaching experiment desk

technical field

The invention relates to the field of teaching experiments, in particular to a novel teaching experiment desk.

Background technique

The existing teaching experiment desk uses a camera to record the experimental process and then plays it through the projection board. The existing camera is fixed and cannot follow the movement, so that some details cannot be photographed clearly. The existing projection board is single and fixed, making the classroom The students on both sides cannot watch clearly, which affects the teaching quality and cannot meet people's needs.

Therefore, the existing teaching experiment desk needs to be further improved.

Contents of the invention

The purpose of the present invention is to provide a novel teaching experiment desk in order to overcome the deficiencies in the prior art.

In order to achieve the above object, the present invention adopts the following scheme:

A new type of teaching experiment desk, including a desk body, a hand-washing tray is arranged on the desk body, and a faucet is arranged on the desk body above the hand-washing tray, and it is characterized in that: A camera is provided above the main body, and a first moving mechanism that drives the camera to move left and right is provided on the desk body, and an adjustment mechanism that can drive the camera to adjust the tilt angle up and down is provided on the first moving mechanism. The table body is provided with an infrared sensor that can sense the position of a person and then activate the first moving mechanism and the adjustment mechanism. A main projection board is provided in the middle of the front end of the desk body, and auxiliary projection boards are provided on both sides of the main projection board. , a second adjustment mechanism for adjusting the angle of the auxiliary projection board is provided at the lower end of the auxiliary projection board.

A new type of teaching experiment desk as described above is characterized in that the first moving mechanism includes a first push rod motor arranged on the desk body below the camera, and a moving rod is arranged on the first push rod motor , the camera is set on the moving rod.

A new type of teaching experiment desk as described above is characterized in that the adjustment mechanism includes a rotating shaft at the lower end of the camera, the rotating shaft is plugged into the moving rod, and a gear is provided at one end of the rotating shaft. A second gear is arranged below the gear, a first motor is arranged on the second gear, a fixed plate is arranged on the moving rod below the first motor, and the first motor is arranged on the fixed plate.

A new type of teaching experiment desk as described above is characterized in that the second adjustment mechanism includes a second rotating shaft arranged at the lower end of the auxiliary projection board, and the auxiliary projection board is inserted into the main body of the lecture table through the second rotating shaft, A third gear is provided at the lower end of the second rotating shaft, a rack is toothed on one side of the third gear, a fourth gear is toothed on one side of the rack, and a gear is provided on the fourth gear. second motor.

In summary, the present invention has the beneficial effects relative to the prior art as follows:

The invention is simple in structure and easy to use. The human body is sensed by an infrared sensor, and then the camera is adjusted to a suitable position for taking pictures through the first moving mechanism and the adjusting mechanism. Better and clearer viewing of the experiment process, simple structure and strong practicability.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the present invention;

Fig. 2 is the three-dimensional schematic diagram of the present invention;

Fig. 3 is a schematic perspective view of the present invention.

detailed description

The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:

A kind of novel teaching experiment desk as shown in Figure 1 to 3, comprises desk body 1, is provided with wash-washing dish 11 on described desk body 1, on the desk body 1 above described hand-washing dish 11 A faucet 12 is provided, a camera 2 is provided above the lectern body 1, a first moving mechanism 4 that drives the camera 2 to move left and right is provided on the lectern body 1, and a camera 2 is arranged on the first moving mechanism 4. There is an adjustment mechanism 3 that can drive the camera 2 to adjust the inclination angle up and down, and an infrared sensor 4 that can sense the position of a person and then start the first moving mechanism 4 and the adjustment mechanism 3 is provided on the desk body 1. A main projection board 100 is provided in the middle of the front end of the main body 1, and auxiliary projection boards 200 are provided on both sides of the main projection board 100, and a second adjustment mechanism 5 for adjusting the angle of the auxiliary projection board 200 is provided at the lower end of the auxiliary projection board 200. The human body is sensed by the infrared sensor, and then the camera is adjusted to a suitable position to take pictures through the first moving mechanism and the adjusting mechanism, and at the same time, the second adjusting mechanism is used to drive the auxiliary projection board to adjust, so that the teaching quality is better and the experiment can be viewed more clearly process, simple structure and strong practicability.

The first moving mechanism 4 described in the present invention comprises the first push rod motor 41 that is arranged on the desk body 1 below the camera 2, and the first push rod motor 41 is provided with a moving rod 35, and the camera 2 is set On the moving rod 35, the moving rod is driven by the first push rod motor to move, so that the camera is moved and the position is adjusted, so that the shooting is clearer and the shooting angle is more comprehensive.

In the present invention, the adjustment mechanism 3 includes a rotating shaft 36 at the lower end of the camera 2, the rotating shaft 36 is inserted on the moving rod 35, a gear 32 is arranged on one end of the rotating shaft 36, and a gear 32 is arranged below the gear 32. A second gear 34 is provided, a first motor 31 is arranged on the second gear 34, a fixed plate 37 is arranged on the moving rod 35 below the first motor 31, and the first motor 31 is arranged on the fixed plate 37, the first motor drives the second gear to rotate, thereby driving the gear to rotate, so that the rotating shaft rotates, and the camera is adjusted for angle, so that the shooting is more comprehensive, simple in structure, and strong in practicability.

In the present invention, the second adjustment mechanism 5 includes a second rotating shaft 201 arranged at the lower end of the auxiliary projection board 200, and the auxiliary projection board 200 is plugged into the desk body 1 through the second rotating shaft 201. The lower end of 201 is provided with a third gear 53, a toothed rack 54 is engaged on one side of the third gear 53, a fourth gear 52 is engaged on one side of the rack 54, and a toothed gear 52 is arranged on the fourth gear 52. There is a second motor 51, and the second motor drives the fourth gear to rotate, so that the rack moves to drive the third gear to rotate, so that the second rotating shaft drives the auxiliary projection plate to rotate. The structure is simple and practical.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and description is only to illustrate the present invention Principle, under the premise of not departing from the spirit and scope of the present invention, the present invention also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. a novel teaching experiment desk, comprising a desk body (1), on said desk body (1) is provided with a hand-washing dish (11), on said hand-washing dish (11) top the desk body (1) is provided with faucet (12), it is characterized in that: be provided with camera (2) above described desk body (1), be provided with driving camera (2) left and right sides on described desk body (1) The first mobile mechanism (4) that moves is provided with an adjustment mechanism (3) that can drive the camera (2) to adjust the inclination angle up and down on the first mobile mechanism (4), and on the desk body (1) An infrared sensor (4) that can sense the position of a person and then activate the first moving mechanism (4) and the adjusting mechanism (3) is provided, and a main projection board (100) is arranged in the middle of the front end of the desk body (1). Sub-projection boards (200) are provided on both sides of the main projection board (100), and a second adjustment mechanism (5) for adjusting the angle of the sub-projection board (200) is provided at the lower end of the sub-projection board (200). 2. A new type of teaching experiment desk according to claim 1, characterized in that said first moving mechanism (4) includes a first push rod motor arranged on the desk body (1) below the camera (2) (41), a moving rod (35) is arranged on the first push rod motor (41), and the camera (2) is arranged on the moving rod (35). 3. A new type of teaching experiment table according to claim 2, characterized in that the adjustment mechanism (3) includes a rotating shaft (36) at the lower end of the camera (2), and the rotating shaft (36) is inserted into Be connected on the moving bar (35), be provided with gear (32) on described rotating shaft (36) one end, be provided with second gear (34) below described gear (32), in described second gear (34) ) is provided with a first motor (31), a fixed plate (37) is provided on the moving rod (35) below the first motor (31), and the first motor (31) is arranged on the fixed plate (37) superior. 4. A new type of teaching experiment desk according to claim 1, characterized in that said second adjustment mechanism (5) includes a second rotating shaft (201) arranged at the lower end of the auxiliary projection board (200), said auxiliary The projection board (200) is inserted on the desk body (1) through the second rotating shaft (201), and a third gear (53) is arranged at the lower end of the second rotating shaft (201), and a third gear (53) is arranged at the lower end of the second rotating shaft (201). ) is toothed with a rack (54) on one side, a fourth gear (52) is toothed on one side of the rack (54), and a second motor (51) is provided on the fourth gear (52). .