CN212211390U

CN212211390U - Korean teaching megaphone

Info

Publication number: CN212211390U
Application number: CN202021175679.5U
Authority: CN
Inventors: 赵萍
Original assignee: Weinan Teachers College
Current assignee: Weinan Teachers College
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-12-22
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to the technical field of teaching aids, and discloses a Korean teaching megaphone, including public address body, the front surface of public address body inlays and is equipped with the display screen, the display screen with public address body fixed connection, the front surface of public address body is close to the below fixedly connected with button of display screen, the front surface of public address body is close to the below integrated into one piece of button has the sound conduction hole, the upper surface left side of public address body rotates and is connected with switch knob and volume knob, switch knob with the volume knob relative distribution about; the braces is newly increased on the bandage, and the both ends of braces are all fixed on the bandage, and the braces has two, and one is on the bandage left side, and the opposite side is on the bandage right side, and the teacher can encircle the bandage at the waist, and the braces back of the body is on the shoulder, and the first regulation of installation is detained on the braces, can adjust according to teacher's in service behavior and height, and modified megaphone is worn and can be avoided the tenesmus on one's body, does benefit to the user and uses.

Description

Korean teaching megaphone

Technical Field

The utility model relates to a teaching aid technical field specifically is a Korean teaching megaphone.

Background

Along with the development of society, the living standard of people is continuously improved, and scientific technology brings various conveniences to human beings. The megaphone is used widely in daily life, and teacher uses the megaphone to make all students in the classroom can both be clear hear teacher's explanation in the teaching, and the megaphone can be with teacher's sound amplification, has protected teacher's voice difficult tired.

The prior art has the following problems:

(1) the traditional loudspeaker surrounds the waist of a teacher through a binding band, the loudspeaker is easy to fall down and inconvenient to wear, and the teacher is influenced when walking, so that the traditional loudspeaker is to be improved;

(2) the megaphone that general teacher used all is rechargeable, when the electric quantity consumed much, is not convenient for remind the teacher in time to charge.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a korean teaching megaphone has solved the megaphone and has fallen downwards easily, wears inconvenient problem, has still solved the problem that is not convenient for remind the teacher in time to charge.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a Korean teaching loudspeaker comprises a loudspeaker body, wherein a display screen is embedded in the front surface of the loudspeaker body, the display screen is fixedly connected with the loudspeaker body, a button is fixedly connected to the position, close to the display screen, of the front surface of the loudspeaker body, a sound transmission hole is integrally formed in the position, close to the button, of the front surface of the loudspeaker body, a switch knob and a volume knob are rotatably connected to the left side of the upper surface of the loudspeaker body, the switch knob and the volume knob are oppositely distributed on the left and right sides, two fixing rings are fixedly connected to the rear surface of the loudspeaker body, a hook is detachably connected to the inside of each fixing ring, a binding band is fixedly connected between the two hooks, a back strap is fixedly connected to the left side of the upper surface and the right side of the upper surface of the binding band, a first adjusting buckle penetrates through the inside of the back strap, and the first adjusting buckle is slidably connected, the utility model discloses a loudspeaker, including public address body, top fixedly connected with pronunciation warning module, right side fixedly connected with resistance, the top fixedly connected with control chip of module is reminded to pronunciation, control chip's right side fixedly connected with electricity quantity measurement chip.

Preferably, the braces the bandage is flat cuboid shape, the bandage with the public address body encircles into the round, the both ends of braces are fixed in the bandage upper surface, the side view cross-section of braces is the structure of falling U-shaped.

Preferably, a second adjusting buckle penetrates through the outer side wall of the binding band, and the second adjusting buckle is connected with the binding band in a sliding mode.

Preferably, the rear surface of the sound amplifying body is provided with a plastic clip, and the plastic clip is fixedly adhered to the sound amplifying body.

Preferably, the storage battery, resistance respectively with electric quantity measurement chip passes through circuit connection line electric connection, electric quantity measurement chip with control chip electric connection, control chip with module electric connection is reminded to pronunciation.

(III) advantageous effects

The utility model provides a korean teaching megaphone possesses following beneficial effect:

(1) the utility model discloses in, newly increase the braces on the bandage, the both ends of braces are all fixed on the bandage, and the braces has two, and one is in the bandage left side, and the opposite side is on the bandage right side, and the teacher can encircle the bandage at the waist, and the braces back of the body is on the shoulder, and the first regulation of installation is detained on the braces, can adjust according to teacher's in service behavior and height, and modified megaphone is worn and can avoid weighing down on one's body, does benefit to the user and uses.

(2) The utility model discloses in, through installation electric quantity measurement chip in the public address body, resistance, control chip and pronunciation remind the module, carry out the electric quantity monitoring through the principle of using the coulometer, establish ties the electric quantity measurement chip on the battery, resistance, through the electric current size that the return circuit flowed through in the resistance test unit interval, if the electric current is time variation, and produce different pressure differentials behind the different electric currents of flowing through, carry out the integral through the electric current to this change, calculate the electric quantity of battery, the electric quantity situation is transmitted on the control chip, the electric quantity of writing in on electric quantity and the control chip contrasts numerical value, when the electric quantity is less than, the control chip can control pronunciation and remind the module to send pronunciation, remind the teacher in time to charge.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a rear view schematically illustrating the structure of fig. 1 according to the present invention;

FIG. 3 is a view of the strap and hook connection of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic view of a partial internal structure of the loudspeaker box of fig. 1 according to the present invention;

fig. 5 shows the electric quantity calculation formula of the present invention.

In the figure: 1. a sound transmission hole; 2. a sound amplifying body; 3. a button; 4. a display screen; 5. a volume knob; 6. a switch knob; 7. a harness; 8. binding bands; 9. a first adjusting buckle; 10. a plastic clip; 12. a second adjusting buckle; 13. a fixing ring; 14. a hook; 15. an electric quantity metering chip; 16. a control chip; 17. a voice reminding module; 18. a storage battery; 19. and (4) resistance.

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.

As shown in fig. 1-5, the utility model provides a technical solution: a Korean teaching loudspeaker comprises a loudspeaker body 2, a display screen 4 is embedded on the front surface of the loudspeaker body 2, the display screen 4 is fixedly connected with the loudspeaker body 2, a button 3 is fixedly connected to the lower portion, close to the display screen 4, of the front surface of the loudspeaker body 2, a sound transmission hole 1 is integrally formed in the lower portion, close to the button 3, of the front surface of the loudspeaker body 2, a switch knob 6 and a volume knob 5 are rotatably connected to the left side of the upper surface of the loudspeaker body 2, the switch knob 6 and the volume knob 5 are oppositely distributed in the left-right direction, two fixing rings 13 are fixedly connected to the rear surface of the loudspeaker body 2, hooks 14 are detachably connected to the inner portions of the fixing rings 13, a binding band 8 is fixedly connected between the two hooks 14, straps 7 are fixedly connected to the left side of the upper surface and the right side of the upper surface of the binding band 8, a first adjusting buckle 9 penetrates through the inner, the internally mounted of public address body 2 has battery 18, the inside top fixedly connected with pronunciation that is close to battery 18 of public address body 2 reminds module 17, the right side fixedly connected with resistance 19 of module 17 is reminded to pronunciation, the top fixedly connected with control chip 16 of pronunciation warning module 17, control chip 16's right side fixedly connected with electricity measurement chip 15, braces 7 has two, one is on the left of bandage 8, the opposite side is on bandage 8 right side, the teacher can encircle bandage 8 at the waist, braces 7 back of the body is on the shoulder, install first regulation on braces 7 and detain 9, can adjust according to teacher's in service behavior and height, modified megaphone is worn and can avoid the tenesmus on one's body, first regulation is detained 9 and is adjusted 12 shapes the same with the second, can adjust the length of belt.

Further, braces 7, bandage 8 are flat cuboid shape, and bandage 8 and public address body 2 encircle into the round, and the both ends of braces 7 are fixed in bandage 8 upper surface, and braces 7's side view cross-section is the structure of falling U-shaped, and bandage 8 is used for tying up in teacher's waist position, and braces 7 can be carried on the back on the shoulder.

Furthermore, a second adjusting buckle 12 penetrates through the outer side wall of the binding band 8, the second adjusting buckle 12 is connected with the binding band 8 in a sliding mode, a teacher can adjust the size of the binding band 8 by manually adjusting the second adjusting buckle 12, the second adjusting buckle 12 is identical to the first adjusting buckle 9 in principle, and the adjusting buckle is identical to the shoulder strap of the satchel in size.

Further, a plastic clip 10 is disposed on the rear surface of the speaker body 2, the plastic clip 10 is fixedly adhered to the speaker body 2, and the speaker can be worn on clothes by using the plastic clip 10.

Further, battery 18, resistance 19 pass through circuit connection line electric connection with electric quantity measurement chip 15 respectively, electric quantity measurement chip 15 and control chip 16 electric connection, control chip 16 and pronunciation warning module 17 electric connection, the current size of loop current in through resistance 19 test unit interval carries out the integral to the electric current that changes, calculates battery 18's electric quantity, and electric quantity measurement chip 15's model is PN8355, and control chip 16's model is STM32F103VCT 6.

To sum up, the utility model discloses a work flow: a teacher buckles two hooks 14 on a fixing ring 13 respectively, a binding belt 8 is encircled on the waist, a second adjusting buckle 12 is adjusted to be in a proper size, a shoulder strap 7 is carried on the shoulder, a first adjusting buckle 9 is installed on the shoulder strap 7 and can be adjusted according to the using condition and the height of the teacher, the wearing is comfortable, electricity monitoring is carried out in a loudspeaker by applying a coulometer principle, an electricity metering chip 15 and a resistor 19 are connected in series on a storage battery 18, the current flowing through a loop in unit time is tested by the resistor 19, if the current changes along with time and different currents flow, different pressure differences are generated, the changed currents are integrated to calculate the electricity of the storage battery 18, the electricity condition is transmitted to a control chip 16, the electricity is compared with the electricity written in the control chip 16, when the electricity is lower than the electricity, the control chip 16 can control a voice reminding module 17 to send out voice, reminding the teacher to charge in time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a korean teaching megaphone, includes public address body (2), its characterized in that: the loudspeaker is characterized in that a display screen (4) is embedded in the front surface of the loudspeaker body (2), the display screen (4) is fixedly connected with the loudspeaker body (2), the front surface of the loudspeaker body (2) is close to the button (3) fixedly connected with the lower part of the display screen (4), the front surface of the loudspeaker body (2) is close to the sound transmission hole (1) integrally formed below the button (3), the left side of the upper surface of the loudspeaker body (2) is rotatably connected with a switch knob (6) and a volume knob (5), the switch knob (6) and the volume knob (5) are relatively distributed left and right, the rear surface of the loudspeaker body (2) is fixedly connected with two fixing rings (13), the inner part of each fixing ring (13) is connected with a detachable hook (14), the two hooks (8) are fixedly connected between the hooks (14), the left side of the upper surface of the bandage (8) and the right side of the upper surface of the bandage (7) are fixedly connected with straps, the inside of braces (7) is run through and is had first regulation knot (9), first regulation knot (9) with braces (7) sliding connection, the internally mounted of public address body (2) has battery (18), the inside of public address body (2) is close to the top fixedly connected with pronunciation of battery (18) remind module (17), the right side fixedly connected with resistance (19) of module (17) is reminded to pronunciation, the top fixedly connected with control chip (16) of module (17) is reminded to pronunciation, the right side fixedly connected with electric quantity measurement chip (15) of control chip (16).

2. The korean teaching microphone as set forth in claim 1, wherein: braces (7) bandage (8) are flat cuboid shape, bandage (8) with public address body (2) encircle into the round, the both ends of braces (7) are fixed in bandage (8) upper surface, the side view cross-section of braces (7) is the structure of falling U-shaped.

3. The korean teaching microphone as set forth in claim 1, wherein: the outer side wall of the binding band (8) is provided with a second adjusting buckle (12) in a penetrating manner, and the second adjusting buckle (12) is connected with the binding band (8) in a sliding manner.

4. The korean teaching microphone as set forth in claim 1, wherein: the loudspeaker is characterized in that a plastic clamp (10) is arranged on the rear surface of the loudspeaker body (2), and the plastic clamp (10) is fixedly adhered to the loudspeaker body (2).

5. The korean teaching microphone as set forth in claim 1, wherein: the storage battery (18), resistance (19) respectively with electric quantity measurement chip (15) pass through circuit connection line electric connection, electric quantity measurement chip (15) with control chip (16) electric connection, control chip (16) with module (17) electric connection is reminded to pronunciation.