CN207895733U - A kind of hand-held laser Mike of multifunction teaching use - Google Patents

Abstract

The utility model provides a hand-held laser microphone for multifunctional teaching, which comprises: a casing, an infrared head, a laser head and a built-in microphone are arranged side by side on the top of the casing, and a built-in microphone is arranged on the front side of the casing to pick up sound. The bottom of the built-in microphone pickup hole is equipped with a liquid crystal display, and the bottom of the liquid crystal display is provided with a function key control area. The USB charging port is provided with a built-in microphone pickup slot on the left side of the housing, and an external audio input port is installed below the built-in microphone pickup slot. A clip is provided on the rear side of the housing, and a Built-in microphone input port, reset button is set under the clip. This multi-functional teaching handheld laser microphone has simple structure, small appearance, and various functions. It also has remote laser pointer function, sound amplification control function, PPT control and audio remote control function.

Description

A multifunctional teaching handheld laser microphone

technical field

The utility model relates to the technical field of multimedia teaching equipment, in particular to a hand-held laser microphone for multifunctional teaching.

Background technique

In order to reduce the teaching intensity of teachers, protect the health of teachers, and to make it easy for students in the back row to hear the teaching content clearly, more and more schools provide multimedia teaching equipment for classes. Using the electronic blackboard or multimedia central control system, you can also connect multimedia devices to obtain more teaching resources for teaching use. The traditional teaching uses a telescopic pointer, which limits the user's ability to move long distances, so it cannot be integrated into the participants. With the popularity of multimedia teaching, the laser pointer has replaced the traditional pointer. Since the laser pointer can be used up to 30 meters, it can be used flexibly in any corner of the classroom or meeting room. It has become a product demonstration tool. It is an ideal demonstration tool for occasions such as audio-visual teaching and academic conferences. However, the current laser pointer generally only has a demonstration function, does not have a sound amplification function, and does not have a sound control function for audio equipment.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a multifunctional teaching handheld laser microphone, which simultaneously has the functions of remote control PPT, laser guidance and sound amplification.

In order to realize the above-mentioned technical solution, the utility model provides a multi-functional teaching handheld laser microphone, comprising: a shell, an infrared head, a laser head and a built-in microphone are arranged side by side on the top of the shell, and the front of the shell A built-in microphone pickup hole is provided on the side, a liquid crystal display is installed below the built-in microphone pickup hole, a function key control area is provided below the liquid crystal display, and a remote control is provided below the function key control area. key control area, and a built-in battery, the bottom of the housing is provided with a USB charging port, the left end of the housing is provided with a built-in microphone pickup slot, and an audio external device is installed below the built-in microphone pickup slot Input port, a clip is provided on the rear side of the housing, a built-in microphone input port is installed above the clip, and a reset button is provided below the clip.

In the above technical solution, the infrared head is used to emit infrared signals, which can realize the infrared signal connection between the device and the external device, the laser head is used to generate laser, so that the device has the function of remote laser guidance, and the built-in microphone is used for Sound amplification, so that the device has the function of sound amplification, the built-in microphone pickup hole is used to receive the voice of the lecturer; the LCD screen is used to display the working status of the entire device; there are multiple function control keys installed on the function key control area; the remote control Multiple remote control buttons are installed in the key control area, which can realize the remote control of PPT and audio volume; the USB charging port can realize the charging of audio equipment; The cooperation with the built-in microphone pickup hole enables the device to collect the voice of the lecturer no matter which end face; the external audio input port is convenient for connection with external devices; when the PPT guidance function is not used, the device can be connected through The clip is clipped on the collar or pocket and used as a pure microphone; the reset button is used to reset the function.

Preferably, the function key control area includes three AGC function keys, a laser pointer key and an RF key arranged side by side from right to left; press and hold the laser pointer key to realize the opening and closing function of the laser pen pointer, and pass the RF key It can realize the selection of the frequency binding mode, and can choose 2.4G frequency binding or infrared frequency binding to realize the connection with the external equipment; the AGC function key can realize the switching of the display mode.

Preferably, the remote control key control area is set in a circle, the on/off key is arranged at the center of the circle, the upper PPT page-turning key is installed above the on/off key, and the lower PPT page-turning key is installed below the on/off key, The volume down key is installed on the left side of the on/off key, and the volume up key is installed on the right side of the on/off key. The on/off key is used to turn on and off the power of the entire device, the up and down PPT page turning keys can realize the control of PPT page turning up and down, and the volume down key and volume up key are used to control the addition and subtraction of video volume .

Preferably, a lanyard hole is provided above the clip to prevent the handheld laser microphone from being lost.

Compared with the prior art, the beneficial effect of the multifunctional teaching handheld laser microphone provided by the utility model lies in: the multifunctional teaching handheld laser microphone is simple in structure, compact in appearance, and has various functions. Sound function and remote control function of PPT and audio.

Description of drawings

Fig. 1 is the top view of the utility model.

Fig. 2 is the front view of the utility model.

Fig. 3 is the bottom view of the utility model.

Fig. 4 is a side view of the utility model.

Fig. 5 is a rear view of the utility model.

In the figure: 10. Shell; 11. Infrared head; 12. Laser head; 13. Built-in microphone; 14. Built-in microphone pickup hole; 15. LCD display; , RF key; 19, up PPT page turning key; 20, volume down key; 21, on/off key; 22, down PPT page turning key; 23, volume up key; 24, USB charging port; 25, built-in microphone Sound slot; 26. External audio input port; 27. Clip; 28. Built-in microphone input port; 29. Lanyard hole; 30. Reset button.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. All other embodiments obtained by ordinary persons in the art without creative efforts belong to the protection scope of the present utility model.

Embodiment: a kind of hand-held laser microphone for multifunctional teaching.

Referring to Figures 1 to 5, a hand-held laser microphone for multifunctional teaching includes: a housing 10, an infrared head 11, a laser head 12 and a built-in microphone 13 are arranged side by side on the top of the housing 10, and the housing The front side of the body 10 is provided with a built-in microphone sound pickup hole 14, a liquid crystal display 15 is installed below the built-in microphone sound pickup hole 14, and a function key control area is arranged below the liquid crystal display 15, and the function keys The bottom of the key control area is provided with a remote control key control area, the bottom of the housing 10 is provided with a USB charging port 24, and the left side of the housing 10 is provided with a built-in microphone pickup groove 25, and the built-in microphone pickup The bottom of the sound groove 25 is equipped with an audio external input port 26, the rear side of the housing 10 is provided with a clip 27, the top of the clip 27 is equipped with a built-in microphone input port 28, and the bottom of the clip 27 A reset key 30 is provided.

In this embodiment, the infrared head 11 is used to emit infrared signals, which can realize the infrared signal connection between the device and the external device; the laser head 12 is used to generate laser light, so that the device has a remote laser guidance function; the built-in microphone 13 It is used for sound amplification, so that the device has a sound amplification function; the built-in microphone pickup hole 14 is used to receive the voice of the lecturer; the LCD screen 15 is used to display the working status of the entire device; multiple functions are installed on the function key control area Control key; a plurality of remote control buttons are installed in the remote control key control area, which can realize remote control of PPT and audio volume; USB charging port 24 can realize the charging of audio equipment; Through the cooperation between the built-in microphone pickup slot 25 and the built-in microphone pickup hole 14, no matter which end face of the device can realize the collection of the lecturer's voice; the audio external input port 26 is convenient for connection with external equipment; when not using the PPT During the guidance function, the device can be clamped on the collar or pocket through the clip 27, and used as a pure microphone; the reset key 30 is used for function reset.

2, the function key control area includes three AGC function keys 16, a laser pointer key 17 and an RF key 18 arranged side by side from right to left; Open and close function; the selection of the frequency binding mode can be realized through the RF key 18, and 2.4G frequency binding or infrared frequency binding can be selected to realize the connection with the external device; the AGC function key 16 can realize the switching of the display mode of the liquid crystal display 15.

With reference to shown in Fig. 2, described remote key control area is set to circle, on/off key 21 is arranged on the center of circle, and upper PPT page turning key 19 is installed on the top of on/off key 21, and lower PPT page turning key 22 is installed on Below the on/off key 21, the volume down key 20 is installed on the left side of the on/off key 21, and the volume increase key 23 is installed on the right side of the on/off key 21. The on/off key 21 is used to realize the power on and off of the whole device, the upper PPT page turning key 19 and the lower PPT page turning key 22 can realize the control of PPT page turning up and down, and the volume down key 20 and the volume up key 23 are used to control Increase or decrease video volume.

Referring to FIG. 5 , a lanyard hole 29 is provided above the clip 27 to prevent the hand-held laser microphone from being lost.

The above description is only a preferred embodiment of the utility model, but the utility model should not be limited to the disclosed content of the embodiment and the accompanying drawings, so any equivalent or completed without departing from the disclosed spirit of the utility model Modifications all fall within the protection scope of the utility model.

Claims (4)

1. A hand-held laser microphone for multifunctional teaching is characterized in that it comprises: a housing, an infrared head, a laser head and a built-in microphone are arranged side by side on the top of the housing, and a built-in microphone is arranged on the front side of the housing. Sound pickup hole, a liquid crystal display is installed below the built-in microphone sound pickup hole, a function key control area is provided below the liquid crystal display, a remote control key control area is provided below the function key control area, and a built-in battery, the bottom of the housing is provided with a USB charging port, the left end of the housing is provided with a built-in microphone pickup slot, and an audio external input port is installed below the built-in microphone pickup slot, and the housing A clip is provided on the rear side of the body, a built-in microphone input port is installed above the clip, and a reset button is provided below the clip. 2. The multifunctional teaching handheld laser microphone according to claim 1, characterized in that: the function key control area includes three AGC function keys, a laser pointer key and an RF key arranged side by side from right to left. 3. The multifunctional teaching hand-held laser microphone as claimed in claim 2, characterized in that: the remote control key control area is set in a circle, the on/off key is set at the center of the circle, and the upper PPT page-turning key is installed on the on/off The top of the key, the next PPT page turning key is installed below the power on/off key, the volume down key is installed on the left side of the power on/off key, and the volume increase key is installed on the right side of the power on/off key. 4. The multifunctional teaching handheld laser microphone according to claim 1, characterized in that: a lanyard hole is arranged above the clip.