CN218772269U

CN218772269U - Microphone array structure of conference camera and conference camera

Info

Publication number: CN218772269U
Application number: CN202223012253.XU
Authority: CN
Inventors: 罗刚
Original assignee: Yangzhou Dragonfly Intelligent Technology Co ltd
Current assignee: Yangzhou Dragonfly Intelligent Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-28
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a microphone array structure and meeting camera of meeting camera, the array structure includes the PCB board, be equipped with two sets of more than microphone group on the same side of PCB board, the microphone group is located respectively PCB board edge department, mutual parallel arrangement between the microphone group. It is through adopting more than two sets of microphone groups, with microphone group front and back set up on the PCB board, the microphone group forms the position difference between them for sound source positioning accuracy is high, and the pickup effect of meeting camera is better.

Description

Microphone array structure of conference camera and conference camera

Technical Field

The utility model relates to a meeting camera, in particular to microphone array structure and meeting camera of meeting camera is applied to video conferencing camera technical field.

Background

The video conference camera is an important component of a video conference system terminal, and high-tech office equipment for network virtual conference, remote training, service communication, video recruitment and personnel education is realized by utilizing the Internet. The video conference camera communicates information in various modes such as graphics, sound, data and the like, so that geographically dispersed users can gather together to meet through a video conference system, and remote real-time information communication and sharing of people are supported.

Along with popularization of video conferences, a camera is mostly adopted in an existing conference camera for shooting, for example, a chinese patent (patent No. CN 202022710568.6) discloses a video conference camera which is convenient to install and fix, and there are problems that shooting in all scenes is impossible and part of conference participants cannot appear on a display screen all the time.

Meanwhile, the existing conference camera does not have the function of sound source positioning, once the conference camera is too far away from people, the microphone cannot accurately distinguish the sound direction in time, the pickup effect is poor, and inconvenience is brought to the use of the conference camera.

Disclosure of Invention

When the conference camera among the prior art to the aforesaid mention is too far away from people, the sound direction can not promptly and accurately be differentiateed to the microphone, has the relatively poor problem of pickup effect, the utility model provides a microphone array structure and conference camera of conference camera, it is through adopting microphone group more than two sets of, and with microphone group around set up on the PCB board, it is poor to form the position between the microphone group for the sound localization accuracy is high, and conference camera's pickup effect is better.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a meeting camera's microphone array structure, array structure includes the PCB board, be equipped with two sets of more than microphone group on the same side of PCB board, microphone group is located respectively PCB board edge department, mutual parallel arrangement between the microphone group.

Furthermore, the microphone group comprises more than one microphone, and all the microphones in the microphone group are connected in a straight line.

Further, the microphones in the microphone groups are staggered.

Further, the microphones in the microphone groups correspond to each other one by one.

Furthermore, a protective sleeve is arranged on the outer side of the microphone.

The utility model provides a technical scheme that its technical problem still adopted is: the conference camera comprises a shell and a microphone array structure of the conference camera, wherein the microphone array structure of the conference camera is arranged in the shell, and more than one camera is arranged on the outer side of the shell.

Further, the shell is provided with three cameras on the outer side, and an included angle between every two adjacent cameras is 60 degrees.

Furthermore, the two sides of the shell corresponding to the camera are respectively provided with a light guide plate, and one side of the PCB corresponding to the light guide plate is provided with more than one LED lamp.

Furthermore, the bottom of the shell is provided with a positioning plate hinged with the shell, and a fixing nut is arranged on one side surface of the positioning plate, which is far away from the shell.

Further, be equipped with the pivot on locating plate one side, the casing corresponds the pivot position is equipped with connecting portion, the pivot both ends are arranged in connecting portion respectively, be equipped with the torsional spring in the pivot, torsional spring one end is arranged in the casing inboard and with the casing butt, the torsional spring other end is arranged in the locating plate and with the locating plate butt.

The utility model has the advantages that: the utility model provides a microphone array structure and meeting camera of meeting camera, it is through adopting microphone group more than two sets of, and with microphone group front and back setting at the PCB board last, it is poor to form the position between the microphone group for sound localization accuracy is high, and the pickup effect of meeting camera is better.

Meanwhile, the conference camera also adopts a plurality of cameras, so that large-angle shooting is realized, and conference participants can be ensured to be shot.

The casing both sides of conference camera still are equipped with the light guide plate respectively simultaneously, and one side that corresponds the light guide plate on the PCB board is equipped with the LED lamp, and the light of LED lamp shines out through the light guide plate, carries out the light filling to the making a video recording of camera, reaches the effect that facilitates the use.

Drawings

Fig. 1 is a schematic perspective view of a microphone array structure provided in the present invention;

fig. 2 is a schematic perspective view of a conference camera provided by the present invention;

fig. 3 is a schematic perspective view of a conference camera provided by the present invention;

fig. 4 is an exploded schematic view of a conference camera provided by the present invention.

Reference numerals: 1-PCB, 11-microphone group, 111-microphone, 112-protective sleeve, 2-shell, 21-camera, 22-light guide plate, 23-LED lamp, 24-positioning plate, 241-fixing nut, 242-rotating shaft, 243-torsion spring and 25-connecting part.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a microphone array structure of a conference camera, the array structure includes a PCB 1, two or more sets of microphone sets 11 are disposed on the same side of the PCB 1, in the specific implementation, the PCB 1 is provided with two sets of microphone sets 11, wherein a certain position difference exists between the two sets of microphone sets 11, preferably, the microphone sets 11 are respectively located at the edge of the PCB 1, so that the distance between the two sets of microphone sets 11 is the largest, i.e. as in fig. 1, two sets of microphone sets 11 are respectively disposed on two long edges of the PCB 1, and the microphone sets 11 are parallel to each other, through the above arrangement, the conference camera can realize sound source positioning, and the sound source positioning has high precision, and the sound pickup effect of the conference camera is better. In this embodiment, the microphone set 11 includes more than one microphone 111, and the microphones 111 in the microphone set 11 are connected in a straight line. Preferably, a set of microphone sets 11 is adopted with 4 microphones 111, and the 4 microphones 111 are a straight line, and the two sets of microphone sets 11 form a distribution mode of forming the front 4 and rear 4 microphones 111 on the PCB 1 together, so as to further achieve the effect of sound source positioning and sound pickup with high precision, in the specific implementation that needs to be described herein, a distribution mode of the front 5 and rear 5 microphones 111, a distribution mode of the front 6 and rear 6 microphones 111, and the like can be adopted, and the more the microphones 111, the better sound source positioning and sound pickup effect is.

In this embodiment, in order to further ensure the sound pickup effect and facilitate sound source positioning, the microphones 111 in the microphone sets 11 are in one-to-one correspondence, that is, one microphone 111 in one microphone set 11 corresponds to one microphone 111 in the other microphone set 11, so that the longitudinal position of the sound source can be determined. In the specific implementation, the microphones 111 in the microphone groups 11 are arranged in a staggered manner, but the sound collecting effect is poorer than that of the one-to-one distribution.

In this embodiment, the outer side of the microphone 111 is provided with a protective sleeve 112 for protecting the microphone 111, and the protective sleeve 112 is fixed on the PCB board 1.

Referring to fig. 2-3, the conference camera provided by the present invention includes a housing 2 and the microphone array structure of the conference camera, the microphone array structure of the conference camera is disposed in the housing 2, and more than one camera 21 is disposed outside the housing 2. In a specific implementation, three cameras 21 are preferably arranged outside the housing 2, and an included angle between two adjacent cameras 21 is 60 °. The three cameras 21 realize 180-degree shooting, realize large-angle shooting, ensure that meeting participants can all be shot, and simultaneously more cameras 21 can be adopted, for example, six cameras 21 are arranged on the shell 2 corresponding to the three cameras 21 in opposite directions, so that 360-degree shooting is realized, and the position of a speaker can be determined by matching with sound source positioning, and the corresponding cameras 21 are controlled to be turned on and off, so that intelligent capturing and shooting are realized.

In this embodiment, in order to ensure the clarity of the image pickup, the housing 2 is provided with light guide plates 22 respectively corresponding to the two sides of the camera 21, one side of the pcb 1 corresponding to the light guide plate 22 is provided with one or more LED lamps 23, and the light of the LED lamps 23 is irradiated out through the light guide plate 22 for light supplement of the image pickup.

In this embodiment, for the convenience of fixing the conference camera, the bottom of the housing 2 is provided with a positioning plate 24 hinged to the housing 2, a side surface of the positioning plate 24 away from the housing 2 is provided with a fixing nut 241, the conference camera is fixed on a supporting bracket through the fixing nut 241, and the conference camera is convenient to use in multiple scene places.

In this embodiment, further it is fixed to facilitate the installation, form clamping structure between its shell 2 and the locating plate 24 of conference camera, it is convenient to be with the centre gripping of conference camera on the display screen, on positions such as desktop, in the concrete implementation, be equipped with pivot 242 on its locating plate 24 one side, casing 2 corresponds pivot 242 position and is equipped with connecting portion 25, connecting portion 25 is arranged respectively in to pivot 242 both ends, make locating plate 24 can be rotatory relative casing 2, and be equipped with torsional spring 243 through pivot 242, casing 2 inboard and with casing 2 butt are arranged in to torsional spring 243 one end, the torsional spring 243 other end is arranged in locating plate 24 and with locating plate 24 butt, the pressure of torsional spring 243 makes butt between locating plate 24 and the shell 2, it is convenient to fix the conference camera, wherein the side of locating plate 24 and casing 2 articulated department adopts the downward sloping setting, make shell 2 and locating plate 24 expand the angle increase, its commonality is stronger.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a microphone array structure of meeting camera, its characterized in that, array structure includes PCB board (1), be equipped with two sets of more than microphone group (11) on the same side of PCB board (1), microphone group (11) are located respectively PCB board (1) edge, mutual parallel arrangement between microphone group (11).

2. Microphone array structure for a conference camera according to claim 1, characterized in that the microphone set (11) comprises more than one microphone (111), and the microphones (111) in the microphone set (11) are connected in a straight line.

3. Microphone array configuration for a conference camera according to claim 2, characterized in that the microphones (111) of the microphone sets (11) are offset with respect to each other.

4. Microphone array structure for a conference camera according to claim 2, characterized in that the microphones (111) of the groups of microphones (11) are in a one-to-one correspondence.

5. Microphone array configuration for a conference camera, according to claim 2, characterized in that the microphone (111) is provided with a protective sleeve (112) on the outside.

6. Conference camera, characterized in that it comprises a housing (2) and a microphone array structure of the conference camera of any of claims 1-5, which microphone array structure of the conference camera is arranged inside the housing (2), and that more than one camera head (21) is arranged outside the housing (2).

7. Conference camera according to claim 6, characterized in that three cameras (21) are arranged outside the housing (2), and that the angle between two adjacent cameras (21) is 60 °.

8. The conference camera as claimed in claim 6 or 7, wherein the housing (2) is provided with light guide plates (22) at two sides corresponding to the camera (21), and the PCB board (1) is provided with more than one LED lamp (23) at one side corresponding to the light guide plates (22).

9. Conference camera according to claim 6, characterized in that a positioning plate (24) is provided at the bottom of the housing (2) and is hinged to the housing (2), and a fixing nut (241) is provided on a side of the positioning plate (24) away from the housing (2).

10. The conference camera as claimed in claim 9, wherein a rotating shaft (242) is disposed on one side of the positioning plate (24), a connecting portion (25) is disposed on the housing (2) corresponding to the position of the rotating shaft (242), two ends of the rotating shaft (242) are disposed in the connecting portion (25) respectively, a torsion spring (243) is disposed on the rotating shaft (242), one end of the torsion spring (243) is disposed inside the housing (2) and abuts against the housing (2), and the other end of the torsion spring (243) is disposed inside the positioning plate (24) and abuts against the positioning plate (24).