CN111918171A - Wearable Demonstration Device - Google Patents

Abstract

The invention provides a wearable demonstration device and a ring type demonstration device. The wearable demonstration device includes: a casing; a demonstration component, the demonstration component is accommodated in the casing, including a PCB board; a wearable component, the wearable component is connected to the casing; the demonstration component includes a voice control unit, The voice control unit includes a plurality of microphones arranged in an array and a volume adjustment member respectively connected to the plurality of the microphones, and the volume adjustment member is used to adjust the sound collection distance of each of the microphones so as to adapt to the plurality of the microphones. The distance between the microphone and the sound source varies. The wearable demonstration device of the present invention has the functions of microphone, laser pointer and page turning at the same time, and can perform related operations at the same time without separate use of various demonstration devices, which can effectively improve the use rate of the hands of the presenter, and can realize the sound of the microphone. Accuracy of collection.

Description

Wearable Demonstration Device

technical field

The present invention relates to a demonstration device, in particular to a wearable demonstration device.

Background technique

In order to make the speech more lively, more and more speeches, education and other occasions usually use PPT to assist in the speech. Traditionally, a computer and a movable microphone are set up on the podium, and the speaker uses the mouse to perform pointing operations on the PPT. , when turning pages, the mouse or the function keys on the keyboard are used to turn pages. This method restricts the speaker and makes the speaker unable to achieve good interaction during the speech. Now more and more methods are The speaker holds the microphone or microphone in one hand, and performs laser pointer pointing operation in the other hand, and turns pages at the same time, breaking away from the traditional sense of restraint, but this method makes both hands of the speaker occupied. The need to put down the laser pointer or microphone before giving a presentation reduces the use of the speaker's hands.

In view of this, it is indeed necessary to provide a new demonstration device to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a wearable demonstration device, the wearable demonstration device has the functions of microphone, laser pointer and page turning at the same time. usage of hands.

In order to achieve the above purpose of the invention, the present invention provides a wearable demonstration device, comprising: a casing; a demonstration component, the demonstration component is accommodated in the casing, including a PCB board; a wearable component, the wearable component is connected to the on the casing; the demonstration assembly includes a voice control unit, the voice control unit includes a plurality of microphones arranged in an array and a volume adjustment member respectively connected with the plurality of the microphones, and the volume adjustment member is used to adjust each The sound collection distance of the microphones is adapted to the variation of the distances between a plurality of the microphones and the sound source.

As a further improvement of the present invention, both the microphone and the volume adjustment member are electrically connected to the PCB board, each of the microphones has a sound collection direction that is different from other microphones, and the casing is further provided with There are sound transmission holes corresponding to each of the microphones respectively.

As a further improvement of the present invention, the voice control unit further includes a recording member, which is electrically connected to the microphone and can store and transmit the sound information collected by the microphone.

As a further improvement of the present invention, the demonstration component further includes a power supply unit accommodated in the housing and electrically connected to the PCB board, a MCU control unit connected to the PCB board, and a power supply unit integrated on the PCB board and connected to the PCB board. A sliding control unit, a laser unit and a communication unit electrically connected with the MCU control unit.

As a further improvement of the present invention, the sliding control unit can control the operation of the demonstration component, and along the wearing direction of the wearable demonstration device, the sliding control unit is arranged on both sides of the demonstration component, and the shell The body includes a touch portion corresponding to the sliding control unit.

As a further improvement of the present invention, the sliding control unit includes a first touch pad and a second touch pad that are oppositely arranged, and the first touch pad and the second touch pad are connected to the side edge of the PCB board and are independent from each other. The side edge of the PCB board extends downward, and the first touch pad, the second touch pad and the PCB board are surrounded to form an accommodation space, and the power supply unit is accommodated in the accommodation space and between the PCB board and the bottom wall of the housing.

As a further improvement of the present invention, the laser unit includes a laser diode arranged along the wearing direction, the laser diode is connected to the PCB board through a laser FPC connector, and the housing is provided with The laser diodes are correspondingly provided with light-emitting parts.

As a further improvement of the present invention, the communication unit is connected to the front end of the PCB board extending along the wearing direction, and is located between the sliding control units.

As a further improvement of the present invention, the wearable demonstration device further includes a display unit that is electrically connected to the PCB board, the display unit includes an OLED display member and an upper cover that is clamped on the casing for supporting The component support of the OLED display component; the component support has a support part supported on the PCB board, and the support part is further provided with a through hole corresponding to the laser unit.

As a further improvement of the present invention, the display unit further includes a power indicator electrically connected to the power supply unit and the OLED display member respectively, and the power indicator is used to collect the remaining power of the power supply unit and pass the power through the power supply unit. OLED display device for display.

The beneficial effects of the present invention are: the wearable demonstration device of the present invention effectively integrates the laser, page turning, and microphone by setting the demonstration component, and can be directly worn and used through the wearable component. The occurrence of the situation of holding the microphone and operating with one hand enables the presenter to perform various operations with both hands while giving a speech, and the operation is relatively simple, which improves the usage rate of both hands and realizes the accuracy of microphone sound collection.

Description of drawings

FIG. 1 is a schematic structural diagram of the wearable demonstration device of the present invention.

FIG. 2 is a schematic structural diagram of the wearable demonstration device of the present invention from another angle.

FIG. 3 is a schematic structural diagram of the wearable demonstration device of the present invention without the wearable components.

FIG. 4 is a disassembled schematic diagram of FIG. 1 without the upper cover.

FIG. 5 is a disassembled schematic diagram of FIG. 2 without the upper cover.

FIG. 6 is a structural block diagram of the voice control unit in FIG. 2 .

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Here, it should be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and/or processing steps closely related to the solution of the present invention are shown in the drawings, and the drawings related to the present invention are omitted. Other details that don't matter much.

In addition, it should be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also Also included are other elements not expressly listed or inherent to such a process, method, article or apparatus.

Referring to FIGS. 1-5 , a wearable demonstration device 100 provided by the present invention includes a casing 1 , a demonstration component 2 and a wearable component 3 .

The housing 1 includes a bottom plate 11 for supporting the demonstration component 2 and connecting the wearing component 3 and an upper cover 12 covering the bottom plate 11, and a receiving cavity ( not shown). Further, a connecting structure 111 is formed at the bottom of the base plate 11 , and the wearing component 3 is detachably connected to the housing 1 through the connecting structure 111 , so as to facilitate the presenter to wear the wearable demonstration device 100 on his body to complete relevant demonstration operations.

The demonstration component 2 includes a power supply unit 21 accommodated between the bottom plate 11 and the upper cover 12, a PCB board 22 electrically connected to the power supply unit 21, an MCU control unit 23 integrated on the PCB board 22, and an MCU control unit 23 integrated on the PCB board 22. The voice control unit 24 , the laser unit 25 and the communication unit 26 are electrically connected to the MCU control unit 23 .

Specifically, the power supply unit 21 is used to supply power to various types of units connected to the PCB board 22 to ensure the normal operation of the wearable demonstration device 100. In a preferred embodiment of the present invention, the power supply unit 21 is an optional The button battery is replaced, and the bottom of the PCB board 22 is also provided with a battery socket corresponding to the button battery. This arrangement can facilitate the presenter to replace the power supply unit 21 and ensure the endurance of the wearable demonstration device 100 .

In another preferred embodiment of the present invention, the power supply unit 21 is a rechargeable battery electrically connected to the PCB board 22, and at this time, the demonstration component 2 further includes a charging interface (not shown) for charging the power supply unit 21 As shown in the figure), this arrangement can reduce the use cost of the wearable demonstration device 100 while ensuring the endurance of the wearable demonstration device 100; preferably, the power supply unit 21 is a rechargeable lithium battery.

The PCB board 22 is used to electrically connect the power supply unit 21 and various units connected to the PCB board 22; further, the MCU control unit 23 is integrated on the side of the PCB board 22 away from the power supply unit 22 to control the operation of various units , to ensure the normal use of the wearable demonstration device 100 , that is, in this application, the MCU control unit 23 is the core control unit of the wearable demonstration device 100 .

Referring to FIG. 6 , the voice control unit 24 includes a plurality of microphones 241 electrically connected to the PCB board 22 and a volume adjustment member 242 respectively connected to the plurality of microphones 241 . Specifically, the plurality of microphones 241 are close to the PCB board 22 The edges of the microphones 241 are evenly distributed in an array, and each microphone 241 has multiple sound collection directions facing different directions. With this setting, the sound information in different directions can be collected simultaneously through the multiple microphones 241, preventing the microphone 241 from At the same time, it can also collect the time domain, frequency domain information and spatial domain information of the sound source signal, and perform spatiotemporal processing on the received signals from different directions in space, thereby improving voice communication. the quality of.

In a preferred embodiment of the present invention, the microphones 241 arranged in an array respectively include at least two rows of microphones 241 arranged close to the sound source (ie, the speaker's mouth) and arranged far away from the sound source. When the wearable demonstration device 100 of the present invention is used, the distance between the microphone 241 in the wearable demonstration device 100 and the sound source (ie, the speaker's mouth) will change continuously as the speaker's posture changes. The microphone 241 on the speaker side starts to collect sound, and the sound signal collected by the microphone 241 on the side has the smallest beam width, the sound signal is concentrated, and the side lobe beam width is small, which can improve the signal-to-noise ratio of the signal and reduce the sound attenuation; The distance from the sound source is farther, that is, the microphone 241 on the side far from the speaker's mouth and the microphone 241 on the side close to the speaker start to receive sound at the same time, and the sound signal collected by the microphone 241 on the side far from the speaker's mouth is closer to the speaker. The sound signal collected by the microphone 241 on one side has a time delay, is synthesized after phase shift, and realizes noise suppression, reverberation removal, personal interference suppression, sound source direction finding, array gain, and the like.

In a preferred embodiment of the present invention, the upper cover 12 is further provided with a sound transmission hole 121 corresponding to the microphone 24 , so as to further improve the clarity and accuracy of the sound collection of the sound control unit 24 .

Further, the volume adjustment member 242 is used to adjust the sound collection distance of each microphone 241 to adapt to the change of the distance between the plurality of microphones 241 and the sound source. The physical movement of the speaker is far away from or close to the speaker, so that the relative position of the microphone 241 and the speaker is changing during the recording process, so that the volume of the sound collected by the wearable demonstration device 100 fluctuates during the playback process. The practicability and the clarity of sound collection of the existing demonstration device are greatly reduced, but the wearable demonstration device 100 of the present invention can adjust the volume of the microphone 241 in real time by setting the volume adjustment member 242 .

In a preferred embodiment of the present invention, the volume adjustment member 242 includes a sound amplification module, a sound reduction module and a sound equalization module. At this time, when the volume received by some of the microphones 241 is low, the sound amplification module can automatically increase the volume to collect When the volume received by the microphone 241 is large, the volume of the collected sound is automatically lowered by the sound reduction module; and when the volume of the sound collected by the microphones 241 on both sides of the wearable demonstration device 100 is different When the sound is adjusted, the sound amplification module and the sound reduction module work at the same time and process the sounds collected by different microphones 241, and further modulate the sound through the sound equalization module, so that the lowered and raised sounds can be stabilized to a balanced range, which further improves the The integrity of the sound collection of the wearable demonstration device 100 .

Further, the volume adjustment member 242 may also have a noise reduction module, specifically, the noise reduction module is used to remove the environmental noise during the volume collection process. The microphone 241 can collect the speaker and the ambient sound at the same time. In particular, due to the difference in the volume of the sound collected by the microphone 241 that is directed toward the speaker and away from the speaker, specifically, the noise reduction module detects a sound source close to the sound source (ie The waveform of the sound source signal collected by the microphone 241 at the speaker's mouth) is calibrated as a standard waveform. Further, the noise reduction module quantifies the ambient sound collected by the microphone 241 far away from the sound source (that is, at the speaker's mouth). Identify and calibrate it as an ambient sound waveform. Then, if the noise reduction module detects that the standard waveform contains the same waveform information as the ambient sound waveform of the ambient sound, it can control to remove the ambient sound waveform in the standard waveform, so as to finally obtain the noise reduction. The noise-processed sound source information can then make the speaker's voice collected through the wearable presentation device 100 clearer.

It should be noted that, in the present invention, only the noise reduction module is integrated in the volume adjustment member 242 as an example for illustration. In other embodiments of the present invention, the noise reduction module may also be integrated in the MCU control unit 23 or an external device. , in other embodiments of the present invention, the noise reduction module may also be a computer-readable stored program that can be read by an external device. At this time, the wearable demonstration device 100 may collect the speaker's voice and ambient sound collected by the microphone 241 The mixed sound is transmitted to the external device through the communication unit 26, and further performs noise reduction processing through the noise reduction module in the external device, so as to ensure the clarity of the sound transmitted by the wearable demonstration device 100.

The voice control unit 24 also includes a recording member 243. Specifically, the recording member 243 is electrically connected to the microphone 241 to store and transmit the sound information collected by the microphone 241, so as to facilitate the speaker to record the content of the speech, which further improves the Practicality of wearable demonstration device 100 .

The laser unit 25 is used to provide a laser display to facilitate the speaker to guide the demonstration content. In a preferred embodiment of the present invention, the laser unit 25 is a laser diode, and the direction in which the speaker wears the wearable demonstration device 100 is defined as the wearing direction , the laser diode is connected to the PCB board 22 through the laser FPC connector 251, and in this embodiment, the upper cover 12 of the housing 1 is provided with a light-emitting portion 122 corresponding to the laser diode. This arrangement is convenient for the presenter. Identify the light-emitting position of the wearable demonstration device 100 .

Further, the laser unit 25 also has a switch (not shown) for controlling the laser diode to perform laser display. The switch is connected to the MCU control unit 23 and the laser diode respectively through the PCB board 22. In this way, the presenter can control the laser diode by pressing the switch. The laser diode is turned on to allow the presenter to indicate what is displayed.

The communication unit 26 is used to wirelessly connect the wearable demonstration device 100 and the display terminal. Specifically, the voice control device 24 is connected to the display terminal through the communication unit 26, and further performs the sound collected by the voice control device 24 through the playback device on the display terminal. Play, and in a preferred embodiment of the present invention, the communication unit 26 is a Bluetooth small board, and the Bluetooth small board 26 is connected to the front end of the PCB board 22 extending along the wearing direction. In this embodiment, the wearable demonstration device 100 Perform data communication with the display terminal through Bluetooth. Of course, in other embodiments of the present invention, the communication unit 26 may also be other communication structures for transmitting wireless data, that is, the wireless communication structure provided by the present invention is only an example. , it should not be limited by this.

Further, the demonstration component 2 also includes a sliding control unit 27, and the sliding control unit 27 can control the operation of the demonstration component 2. Specifically, the sliding control unit 27 controls the connection with the real terminal through the communication unit 26, and can control the display terminal. The displayed content is switched.

In the present invention, the sliding control unit 27 is arranged on both sides of the PCB board 22 along the wearing direction. A touch pad 271 and a second touch pad 272 are connected to the side edge of the PCB board 22 and extend downward from the side edge of the PCB board 22. Further, the first touch pad 271 and the second touch pad 272 are located on two sides of the Bluetooth small board. side, and the first touchpad 271, the second touchpad 271, the Bluetooth small board and the PCB board 22 are surrounded to form an accommodation space (not numbered), the accommodation space is located between the PCB board 22 and the bottom plate 11, and the power supply unit 21 accommodates In the accommodating space, such arrangement can effectively reduce the volume of the wearable demonstration device 100 and improve the portability and practicability of the wearable demonstration device 100 .

Further, the upper cover 12 is further provided with a corresponding touch portion. Specifically, the touch portion includes a first touch portion 123 and a second touch portion 124 corresponding to the first touch pad 271 and the second touch pad 272 respectively. , the presenter can touch the first touch pad 271 and the second touch pad 272 by sliding on the first touch part 123 and the second touch part 124 , and then control the switching of the displayed content on the display terminal.

The wearing component 3 is used to facilitate the wearing and use of the speaker. In a preferred embodiment of the present invention, the wearing component 3 is arranged in a ring structure, and the wearing component 3 is provided with a connecting protrusion (not numbered) for connecting the connecting structure 111. ), the connecting protrusions are snapped on both ends of the connecting structure 111 in the vertical extension direction, so as to facilitate the speaker to wear along the wearing direction; and in this embodiment, the wearing component 3 is also provided with a wave-shaped stretching portion 31. , the stretching part 31 can be changed from a waveform to a straight line under the action of stretching, so that the wearing diameter of the wearing component 3 can be adjusted, further enabling the wearable demonstration device 100 of the present invention to be suitable for different groups of people at the same time.

It should be noted that, in the description and the accompanying drawings of the present invention, only the wearing component 3 is a finger-wearable wearing component as an example for illustration. Of course, in other embodiments of the present invention, the wearing component 3 may also be a wearable component. Remove the lanyard connected to the connecting structure 111, and the connecting structure 111 is provided with a connecting hole 1111 for connecting the lanyard. In fact, because the presentation component 2 suspended on the speaker will also change with the speaker's posture. The relative position moves, so that the microphone 241 installed in the demonstration component 2 produces a relative position change from the sound source (that is, the speaker's mouth). At this time, the microphone 241 can also perform calibration processing on the sound source signal and the ambient sound signal, The wearable demonstration device 100 of the present invention has good applicability on the basis of having a good sound adjustment function, and further improves the use range of the wearable demonstration device 100 .

In a preferred embodiment of the present invention, the wearable demonstration device 100 further includes a display unit 4 electrically connected to the PCB board 22 . The display unit 4 includes an OLED display member 41 and is clamped on the upper cover 12 of the casing 1 . A member holder 42 for supporting the OLED display member 41 .

Specifically, the OLED display component 41 is connected to the PCB board 22 through the display component FPC connector 411 , and the OLED display component 41 collects and displays the operating status of the demonstration component 2 through the PCB board 22 . Further, the display unit 4 further includes a separate A power display (not shown) electrically connected with the power supply unit 21 and the OLED display member 41, the power display is used to collect the remaining power of the power supply unit 21 and display it through the OLED display device 41. This setting is convenient for the presenter to pass the OLED display. The display component 41 judges the running state of the demonstration component 2 and the power of the power supply unit 21 , which further improves the practicality of the wearable demonstration device 100 .

The component bracket 42 is used to support the OLED display component 41. In the present invention, the component bracket 42 has a support portion 421 supported on the PCB board 22, and the laser unit 25 is accommodated between the OLED display component 41 and the PCB board 22. Further, , the support portion 421 is further provided with a through hole 422 corresponding to the laser unit 25 . This arrangement effectively improves the stability of the light transmission of the laser unit 25 .

It should be noted that the wearable demonstration device 100 of the present invention should also include control switches and other structures commonly used in demonstration control devices, that is, the structures and unit embodiments defined in the description of the present invention are examples, which does not mean that other common structures are not included. structure or unit.

When using the wearable demonstration device 100 of the present invention, the demonstrator wears the wearing unit 3, and then turns on the demonstration unit 2. The demonstration unit 2 is controlled and connected to the display terminal through the communication unit 26, and the demonstrator can control the laser diode to perform laser light by pressing the switch. The display then indicates the content displayed on the display terminal. Further, when the content on the display terminal needs to be paged or replaced, the presenter can slide on the first touch part 123 and/or the second touch part 124 and then The display content is switched through the first touch pad 271 and/or the second touch pad 272 located on the first touch part 123 and/or the second touch part 124 ; at the same time, the voice control unit 24 in the wearable demonstration device 100 has The voice of the display terminal is collected, and the volume is amplified and played through the amplifying unit on the display terminal to complete the control of the display content by the presenter.

To sum up, the wearable demonstration device 100 of the present invention effectively integrates the laser, page-turning, and microphones by setting the demonstration component 2, and can be directly worn and used through the wearing component 3, thus avoiding the problems in the prior art. The occurrence of the situation of holding the microphone in one hand and operating the other hand enables the presenter to perform various operations with both hands while giving a speech, and the operation is relatively simple, which improves the utilization rate of both hands, and can effectively improve the sound collection of the wearable demonstration device 100 And the accuracy and clarity of playback.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A wearable presentation device, comprising:

a housing;

the demonstration assembly is accommodated in the shell and comprises a voice control unit electrically connected with the PCB, and the voice control unit comprises a plurality of microphones;

the method is characterized in that: the wearing assembly is connected to the shell;

the sound control unit further comprises volume adjusting components respectively connected with the microphones, and the volume adjusting components are used for adjusting the sound receiving distance of each microphone so as to adapt to the distance change between the demonstration component and the sound source.

2. The wearable presentation device of claim 1, wherein: the microphone and the volume adjusting component are electrically connected with the PCB, each microphone is provided with a sound receiving direction different from other microphones, and the shell is also provided with sound transmission holes respectively corresponding to the microphones.

3. The wearable presentation device of claim 1, wherein: the voice control unit further comprises a recording component, and the recording component is electrically connected with the microphone and can store the sound information collected by the microphone.

4. The wearable presentation device of claim 1, wherein: the demonstration assembly further comprises a power supply unit accommodated in the shell and electrically connected with the PCB, an MCU control unit connected to the PCB, a sliding control unit, a laser unit and a communication unit, wherein the sliding control unit, the laser unit and the communication unit are integrated on the PCB and electrically connected with the MCU control unit through the PCB.

5. The wearable presentation device of claim 4, wherein: the operation of the steerable demonstration subassembly of slip control unit, and follow dress type presentation device's wearing direction, the slip control unit sets up the both sides limit of demonstration subassembly, the casing include with the touch portion that the slip control unit corresponds the setting.

6. The wearable presentation device of claim 5, wherein: the sliding control unit comprises a first touch pad and a second touch pad which are arranged oppositely, the first touch pad and the second touch pad are connected to the side edge of the PCB and extend downwards from the side edge of the PCB, an accommodating space is formed by the first touch pad, the second touch pad and the PCB in a surrounding mode, and the power supply unit is accommodated in the accommodating space and located between the PCB and the bottom wall of the shell; the communication unit is connected at the front end of the PCB extending along the wearing direction and is positioned between the sliding control units.

7. The wearable presentation device of claim 4, wherein: the laser unit comprises a laser diode arranged along the wearing direction, the laser diode is connected to the PCB through a laser FPC connector, and a light emitting part correspondingly arranged with the laser diode is arranged on the shell.

8. The wearable presentation device of claim 1, wherein: the wearable demonstration device further comprises a display unit electrically connected with the PCB, and the display unit comprises an OLED display component and a component bracket clamped on the upper cover of the shell and used for supporting the OLED display component; the component support is provided with a supporting part which is supported on the PCB board, and the supporting part is also provided with a through hole which is arranged corresponding to the laser unit. .

9. The wearable presentation device of claim 8, wherein: the display unit further comprises an electric quantity display which is respectively electrically connected with the power supply unit and the OLED display component, and the electric quantity display is used for collecting the residual electric quantity of the power supply unit and displaying the residual electric quantity through the OLED display device.

10. A ring-type demonstration device comprises a shell, a demonstration assembly accommodated in the shell and a wearing assembly connected to the shell, wherein the demonstration assembly comprises a voice control unit electrically connected with a PCB (printed circuit board), and the voice control unit comprises a plurality of microphones; the method is characterized in that: the wearing component is a finger wearing type wearing component; the acoustic control unit still including respectively with a plurality of the volume adjustment component that the microphone is connected, the volume adjustment component is used for adjusting every the radio reception distance of microphone to the distance change between subassembly and the sound source is dressed in the adaptation.

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