CN215007053U

CN215007053U - Mobile device for checking sound volume and pitch standard

Info

Publication number: CN215007053U
Application number: CN202120986034.8U
Authority: CN
Inventors: 王沪红
Original assignee: Jinan Infant Teachers College
Current assignee: Jinan Infant Teachers College
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-03
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a mobile device that examines sound volume pitch standard, the on-line screen storage device comprises a base, the fixed pipe of last fixed surface of base is connected with, and the inner wall sliding connection of fixed pipe has the slip post, and the top fixedly connected with of slip post connects the casing, and the standing groove has been seted up to the upper surface of connecting the casing, and the both sides inner wall of standing groove rotates through the pivot and is connected with the fixed bolster, the back fixedly connected with panel of fixed bolster, and the front of fixed bolster is provided with display, microphone and multimedia data interface respectively, and the cavity has been seted up to the inside of fixed bolster, and the inner wall of cavity is provided with control circuit board. This mobile device to examination is carried out to sound volume pitch standard through setting up control circuit board, display, microphone and multimedia data interface, is convenient for convert singer's voice into the signal of telecommunication to compare with the original spectrum, show on the display, make the student can assess the examination by oneself, promote the exercise effect of singing.

Description

Mobile device for checking sound volume and pitch standard

Technical Field

The utility model relates to a singing examination technical field specifically is a mobile device that examines sound volume pitch standard.

Background

Singing refers to a sound of graceful and amusing produced by individuals or teams through professional or non-professional training and by vocal cords. Not for daily communication, but only for expression of the lyrics and art.

At present, singing examination of students is performed by using microphones, and the mode of listening by teachers is analyzed and examined, so that the students cannot exercise by themselves to evaluate and examine, and the singing exercise effect is poor.

Therefore, a mobile device for examining the sound volume and pitch standard is provided.

Disclosure of Invention

An object of the utility model is to provide a mobile device that examines sound volume pitch standard to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mobile device that examines sound volume pitch standard, the on-line screen storage device comprises a base, the fixed pipe of last fixed surface of base is connected with, and the inner wall sliding connection of fixed pipe has the slip post, and the top fixedly connected with of slip post connects the casing, and the standing groove has been seted up to the upper surface of connecting the casing, and the both sides inner wall of standing groove rotates through the pivot and is connected with the fixed bolster, the back fixedly connected with panel of fixed bolster, the front of fixed bolster is provided with display, microphone and multimedia data interface respectively, the cavity has been seted up to the inside of fixed bolster, and the inner wall of cavity is provided with control circuit board.

Preferably, the four corners of the lower surface of the base are fixedly connected with universal wheels with brakes.

Preferably, the outer surface of the fixed pipe is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a fixed bolt, and the threaded end of the fixed bolt is in lap joint with the outer surface of the sliding column.

Preferably, the back of the panel is fixedly connected with a handle, and the inner rear wall of the placing groove is fixedly connected with a limiting block.

Preferably, the back of panel and the upper surface of connecting the casing rotate through the fixing base respectively and are connected with bracing piece and rotating tube, and bracing piece sliding connection is at the inner wall of rotating tube, and threaded through-hole has been seted up to the surface of rotating tube, and the inner wall threaded connection of threaded through-hole has adjusting bolt, adjusting bolt's screw thread end and the surface overlap joint of bracing piece.

Preferably, the display, the microphone and the multimedia data interface are electrically connected with the control circuit board, and the control circuit board is electrically connected with an external power supply through a power taking plug.

Advantageous effects

The utility model provides a mobile device that examines sound volume pitch standard possesses following beneficial effect:

1. this mobile device to examination is carried out to sound volume pitch standard through setting up control circuit board, display, microphone and multimedia data interface, is convenient for convert singer's voice into the signal of telecommunication to compare with the original spectrum, show on the display, make the student can assess the examination by oneself, promote the exercise effect of singing.

2. This mobile device that examines sound volume pitch standard takes the brake universal wheel through setting up, and the removal and the fixing of this equipment of being convenient for through setting up bracing piece, rotating tube, adjusting bolt and panel, are convenient for adjust the angle of display, enable the panel simultaneously and rotate with the stopper overlap joint, play dirt-proof purpose during not using.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the connection housing of the present invention.

In the figure: the device comprises a base 1, a fixed pipe 2, a sliding column 3, a connecting shell 4, a fixed support 5, a panel 6, a display 7, a microphone 8, a multimedia data interface 9, a universal wheel 10 with a brake, a fixed bolt 11, a handle 12, a supporting rod 13, a rotating pipe 14 and an adjusting bolt 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mobile device that examines sound volume pitch standard, the on-line screen storage device comprises a base 1, the equal fixedly connected with area brake universal wheel 10 in base 1's lower surface four corners department, through setting up area brake universal wheel 10, be convenient for the removal and the fixed of this equipment, base 1's last fixed surface is connected with fixed pipe 2, the inner wall sliding connection of fixed pipe 2 has slip post 3, the top fixedly connected with of slip post 3 connects casing 4, the surface of fixed pipe 2 sets up threaded hole, and the inner wall threaded connection of screw hole has fixing bolt 11, fixing bolt 11's the screw thread end and the surface overlap joint of slip post 3.

The upper surface of the connecting shell 4 is provided with a placing groove, the inner walls of two sides of the placing groove are rotatably connected with a fixed support 5 through a rotating shaft, the back of the fixed support 5 is fixedly connected with a panel 6, the back of the panel 6 is fixedly connected with a handle 12, the inner back wall of the placing groove is fixedly connected with a limiting block, the front of the fixed support 5 is respectively provided with a display 7, a microphone 8 and a multimedia data interface 9, the inside of the fixed support 5 is provided with a cavity, the inner wall of the cavity is provided with a control circuit board, the display 7, the microphone 8 and the multimedia data interface 9 are all electrically connected with the control circuit board, the control circuit board is electrically connected with an external power supply through a power-taking plug, the voice of a singer is conveniently converted into an electric signal through the control circuit board, the electric signal is compared with an original score and is displayed on the display 7, the students can evaluate and examine by themselves, and the singing exercise effect is improved.

The back of panel 6 and the upper surface of connecting casing 4 rotate through the fixing base respectively and are connected with bracing piece 13 and rotating-tube 14, and bracing piece 13 sliding connection is at the inner wall of rotating-tube 14, threaded through-hole has been seted up to the surface of rotating-tube 14, and the inner wall threaded connection of threaded through-hole has adjusting bolt 15, adjusting bolt 15's screw thread end and bracing piece 13's surface overlap joint, through setting up bracing piece 13, rotating-tube 14, adjusting bolt 15 and panel 6, be convenient for adjust display 7's angle, enable panel 6 to rotate simultaneously and stopper overlap joint, play dirt-proof purpose during not using.

The working principle is as follows: when using this mobile device that examines sound volume pitch standard, unscrew fixing bolt 11, the pulling is connected casing 4, adjust the height of this equipment, then screw up fixing bolt 11, pull handle 12 again, make fixed bolster 5 rotate, and make display 7 rotate to suitable angle, it is fixed to screw up adjusting bolt 15 afterwards, the student sings towards microphone 8, control circuit board converts sound signal into the signal of telecommunication, and compare with the original register for easy reference, examine and grade, after finishing using, unscrew adjusting bolt 15, rotate panel 6, make panel 6 and stopper contact examination, through using this mobile device that examines sound volume pitch standard, make the student assess by oneself, promote the exercise effect of singing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mobile device for assessing the pitch standard of sound volume, comprising a base (1), characterized in that: the utility model discloses a fixed support of multi-media data interface, including base (1), the last fixed surface of base (1) is connected with fixed pipe (2), the inner wall sliding connection of fixed pipe (2) has slip post (3), the top fixedly connected with connecting casing (4) of slip post (3), the standing groove has been seted up to the upper surface of connecting casing (4), and the both sides inner wall of standing groove rotates through the pivot and is connected with fixed bolster (5), the back fixedly connected with panel (6) of fixed bolster (5), the front of fixed bolster (5) is provided with display (7) respectively, microphone (8) and multi-media data interface (9), the cavity has been seted up to the inside of fixed bolster (5), and the inner wall of cavity is provided with control circuit board.

2. The mobile device of claim 1, wherein the mobile device is configured to qualify a sound volume pitch criterion, wherein: the four corners of the lower surface of the base (1) are fixedly connected with universal wheels (10) with brakes.

3. The mobile device of claim 1, wherein the mobile device is configured to qualify a sound volume pitch criterion, wherein: the outer surface of the fixed pipe (2) is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a fixed bolt (11), and the threaded end of the fixed bolt (11) is in lap joint with the outer surface of the sliding column (3).

4. The mobile device of claim 1, wherein the mobile device is configured to qualify a sound volume pitch criterion, wherein: the back fixedly connected with handle (12) of panel (6), the interior back wall fixedly connected with stopper of standing groove.

5. The mobile device of claim 1, wherein the mobile device is configured to qualify a sound volume pitch criterion, wherein: the back of panel (6) and the upper surface of connecting casing (4) rotate through the fixing base respectively and are connected with bracing piece (13) and rotating tube (14), and bracing piece (13) sliding connection is at the inner wall of rotating tube (14), and the screw thread through-hole has been seted up to the surface of rotating tube (14), and the inner wall threaded connection of screw thread through-hole has adjusting bolt (15), the outer surface overlap joint of the screw thread end of adjusting bolt (15) and bracing piece (13).

6. The mobile device of claim 1, wherein the mobile device is configured to qualify a sound volume pitch criterion, wherein: the display (7), the microphone (8) and the multimedia data interface (9) are electrically connected with the control circuit board, and the control circuit board is electrically connected with an external power supply through a power taking plug.