CN217363265U

CN217363265U - Pickup device

Info

Publication number: CN217363265U
Application number: CN202220295710.1U
Authority: CN
Inventors: 陈健业
Original assignee: Guangzhou Hi End Plus Electronic Co ltd
Current assignee: Guangzhou Hi End Plus Electronic Co ltd
Priority date: 2022-01-29
Filing date: 2022-02-14
Publication date: 2022-09-02
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a pickup device, wherein pickup device, include: the pickup assembly comprises a pickup head seat and at least two pickup heads, wherein the pickup heads are arranged on the pickup head seat, the distance between the centers of every two adjacent pickup heads is smaller than or equal to one fourth of the maximum wavelength of sound waves which can be received by the pickup heads, and each pickup head is used for transmitting the received sound waves through an independent transmission circuit. The sound pickup device uses the two microphones to perform sound pickup, so that the sound pickup range of the sound pickup device is enlarged, the incomplete sound pickup condition is reduced, and the sound pickup and sound transmission effects are effectively improved. The two microphones can work simultaneously but are independent of each other. When one of the microphones breaks down, the other microphone still can work normally, and the continuous operation of sound reception work is ensured.

Description

Pickup device

Technical Field

The utility model relates to a microphone technical field, in particular to pickup device.

Background

The microphone is a kind of microphone, and can perform sound-electricity conversion. The method is widely applied to scenes such as classroom teaching, meetings, live broadcasting and large-scale performances. The sound transmission effect is influenced by the sound receiving effect of the microphone. In the use process, in order to adapt to different users and use occasions and achieve a better sound transmission effect, a microphone is often required to be used for collecting sound. In the prior art, one microphone is often used for sound reception, but when one microphone is used for sound reception, the sound reception effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pickup device can enlarge the radio reception scope, improves the effect of radio reception and biography sound.

According to the utility model discloses a pickup device of first aspect embodiment includes: the pickup assembly, the pickup assembly includes miaow head seat and two at least miaow heads, the miaow head all set up in on the miaow head seat, every two adjacent distance between the center of miaow head is less than or equal to the quarter the biggest wavelength of the sound wave that the miaow head can receive, each the miaow head is used for transmitting the sound wave that receives through independent transmission circuit.

According to the utility model discloses pickup device has following beneficial effect at least: the pickup device is provided with a pickup assembly, the pickup assembly comprises a microphone head seat and at least two microphone heads, and the microphone heads are arranged on the microphone head seat; two microphones are used for sound reception, so that the sound reception range of the sound pickup device is expanded, the incomplete sound reception condition is reduced, and the sound reception and sound transmission effects are effectively improved. The distance between the centers of every two adjacent microphones is less than or equal to one fourth of the maximum wavelength of sound waves which can be received by the microphones, and each microphone is used for transmitting the received sound waves through an independent transmission circuit. Each microphone is connected with an independent transmission circuit, and when the microphone works, the two microphones work simultaneously to receive sounds. Because two miaow heads are close enough apart from each other, therefore the intensity that two miaow heads received the sound signal is almost the same, two way sound signals that two miaow heads received are handled through differential amplifier, and the background noise of output is very little, has improved the effect of radio reception and sound conduction to a certain extent. The two microphones can work simultaneously but are independent of each other. When one of the microphones breaks down, the other microphone still can work normally, and the continuous reception work is ensured.

According to some embodiments of the present invention, a plurality of annular walls having different radii are provided on the microphone head in the form of concentric circles.

According to some embodiments of the utility model, still include supporting component, the last elastic first installation department that has that is provided with of supporting component, be provided with the installation passageway on the miaow head seat, first installation department with the installation passageway is connected.

According to some embodiments of the utility model, the supporting component includes the base and founds the arm, found the arm one end with the pickup subassembly is connected, the other end with the base is connected.

According to some embodiments of the invention, the support assembly comprises a fastening structure, the upright arm passing through the fastening structure rotatably connected to the base.

According to some embodiments of the invention, the vertical arm comprises a connecting piece and a transition piece, the two ends of the transition piece are respectively one of the connecting piece fixed connection.

According to some embodiments of the invention, the connecting piece and the transition piece are hollow pipes. The connecting piece and the transition piece are hollow pipelines, and the hollow pipelines can play a role in protecting a transmission circuit through a transmission circuit.

According to the utility model discloses a some embodiments, the base includes first supporting seat, first supporting seat is the round platform that is provided with the passageway, the round platform include first terminal surface and with the second terminal surface that first terminal surface is relative, the access connection first terminal surface with the second terminal surface, in the vertical direction the projected area of first terminal surface is less than the projected area of second terminal surface.

According to the utility model discloses a some embodiments, its characterized in that, first supporting seat first terminal surface is provided with the mounting hole, fastening structure is provided with the second installation department, the mounting hole with second installation department cartridge is connected.

According to some embodiments of the utility model, the base still includes the second supporting seat, the second supporting seat with first supporting seat fixed connection, in vertical direction, the projected area of second supporting seat is greater than first supporting seat the projected area of second terminal surface.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a sound pickup apparatus according to an embodiment of the present invention;

fig. 2 is a structural diagram of a microphone of the sound pickup apparatus according to an embodiment of the present invention;

fig. 3 is an exploded view of a sound pickup device according to an embodiment of the present invention;

reference numerals:

the sound pickup device 100, the sound pickup assembly 110, the microphone seat 111, the microphone 112, the annular wall 1121, the support assembly 120, the base 121, the upright arm 122, the fastening structure 123, the first support seat 1211, the second support seat 1212, the connecting member 1221, the transition piece 1222, the first mounting portion 1223, the mounting hole 1224, and the second mounting portion 1231.

Detailed Description

Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the basis of the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a sound pickup apparatus according to an embodiment of the present invention. According to the utility model discloses a pickup device 100 of first aspect embodiment includes: the pickup assembly 110, the pickup assembly 110 includes a microphone base 111 and at least two microphones 112, the microphones 112 are disposed on the microphone base 111, a distance between centers of every two adjacent microphones 112 is less than or equal to a quarter of a maximum wavelength of sound waves that can be received by the microphones 112, and each microphone 112 is configured to transmit the received sound waves through an independent transmission circuit.

According to the utility model discloses pickup device 100 has following beneficial effect at least: the sound pickup device 100 has a sound pickup assembly 110, the sound pickup assembly 110 includes a microphone base 111 and at least two microphones 112, and the microphones 112 are disposed on the microphone base 111; two microphones 112 are used for sound reception, so that the sound reception range of the sound pickup device 100 is expanded, the incomplete sound reception condition is reduced, and the sound reception and sound transmission effects are effectively improved. The distance between the centers of every two adjacent microphones 112 is less than or equal to one quarter of the maximum wavelength of the sound wave that can be received by the microphones 112, and each microphone 112 is used for transmitting the received sound wave through a separate transmission circuit. Each microphone 112 is connected with an independent transmission circuit, and when the microphone works, the two microphones 112 work simultaneously to receive sound. Because the two microphones 112 are close enough, the sound signals received by the two microphones 112 have almost the same intensity, and after the two sound signals received by the two microphones 112 are processed by the differential amplifier, the output background noise is very small, thereby improving the sound receiving and transmitting effects to a certain extent. The two microphones 112 can operate simultaneously but independently of each other. When one of the microphones 112 has a fault, the other microphone 112 can still work normally, so as to ensure the continuous operation of sound reception.

It should be noted that the number of the microphones 112 may be two, three, four, etc., as long as the distance between the centers of every two adjacent microphones 112 is less than or equal to one fourth of the maximum wavelength of the sound wave that can be received by the microphones 112, and the intensity of the sound signal that can be received by each microphone 112 is almost the same. The number of the microphone 112 is not particularly limited in the present application. It will be appreciated that each of the microphones 112 transmits the received sound waves through a separate transmission circuit, so as to ensure that when one of the microphones 112 fails, the other microphones 112 can still work properly.

Referring to fig. 2, fig. 2 is a structural diagram of a microphone of a sound pickup apparatus according to an embodiment of the present invention. According to some embodiments of the present invention, a plurality of annular walls 1121 having different radii are disposed in concentric circles on the microphone 112. The multiple annular walls 1121 with different radii are concentrically arranged on the microphone 112 to form a protection grid, and when a user speaks towards the microphone 112, the protection grid formed by the annular walls 1121 can buffer and disperse airflow of human voice, so as to protect a vibration membrane in the microphone 112 and prevent dust.

It should be noted that, in the present application, instead of the protective grating formed by the annular wall 1121, a protective member such as a windshield, a cushion cotton, or the like may be used to protect the vibration membrane in the microphone 112.

Referring to fig. 1 and 3, fig. 3 is an exploded view of a sound pickup device according to an embodiment of the present invention. According to some embodiments of the present invention, the sound pickup apparatus 100 further includes a supporting component 120, the supporting component 120 is provided with an elastic first installation portion 1223, the microphone base 111 is provided with an installation channel, and the first installation portion 1223 is connected to the installation channel. The first mounting portion 1223 of the support member 120 is coupled to the mounting passage of the microphone base 111 such that the microphone base 111 is coupled to the support member 120. Making the pickup assembly 110 more convenient to use. Meanwhile, when the microphone seat 111 or the support component 120 is damaged, the support component 120 or the pickup component 110 can be replaced conveniently, which is beneficial to the maintenance of the pickup device 100.

It should be noted that the first mounting portion 1223 and the mounting passage are detachably connected. The first mounting portion 1223 in this application has elasticity, can peg graft with the installation passageway. The first mounting portion 1223 and the mounting channel may also be threaded by providing mating threads on the first mounting portion 1223 and the mounting channel; or a snap fit connection may be used to connect the first mounting portion 1223 and the mounting channel. The present application does not specifically limit the connection manner between the first mounting portion 1223 and the mounting channel, as long as the microphone holder 111 and the supporting component 120 are connected by the detachable connection between the first mounting portion 1223 and the mounting channel.

Referring to fig. 3, the supporting assembly 120 includes a base 121 and an upright arm 122, wherein one end of the upright arm 122 is connected to the pickup assembly 110, and the other end is connected to the base 121. The standing arm 122 serves to connect the sound pickup assembly 110 and the base 121, so that the sound pickup apparatus 100 can be used by being placed on a table, and the application of the sound pickup apparatus 100 is widened.

Referring to fig. 1 and 3, the support assembly 120 includes a fastening structure 123, and the upright arm 122 is rotatably connected to the base 121 through the fastening structure 123. The upright arm 122 is connected to the base 121 through a fastening structure 123, and the upright arm 122 can rotate back and forth relative to the base 121. The user can adjust the vertical arm 122 according to the use habit, so that the radio reception is facilitated, and the use experience of the user is improved.

Referring to fig. 1 and 3, the upright arm 122 includes a connecting member 1221 and a transition member 1222, and both ends of the transition member 1222 are fixedly connected to one of the connecting members 1221, respectively. The upright arm 122 is formed by connecting a connecting piece 1221 and a transition piece 1222, and both ends of one transition piece 1222 are fixedly connected with one connecting piece 1221 respectively. The vertical arm 122 is in an arc shape, which is beneficial for the user to face the microphone 112 for receiving sound, and improves the user experience. It can be understood that when the connecting member 1221 is made of a malleable rubber material or a metal material, and the transition member 1222 is made of a non-deformable material and has an arc angle with a certain curvature, the state of the connecting member 1221 can be changed, such as bending the connecting member 1221, so that the vertical arm 122 has different curvature, to better meet the user's requirement. When the connecting member 1221 is made of a non-deformable material, the transition member 1222 may be an angle adjusting mechanism, or a component made of a malleable rubber material or a metal material, and also can function to adjust the arc degree of the upright arm 122 to meet the use requirement of the user. The connection mode of the connecting piece 1221 and the transition piece 1222 can be a threaded connection, and can also be a clamping connection, an insertion connection and the like. The manner in which connecting member 1221 and transition member 1222 are coupled is not particularly limited.

According to some embodiments of the present invention, connection 1221 and transition piece 1222 are hollow pipes. Connecting piece 1221 and transition piece 1222 are hollow pipe, can pass through the transmission circuit among the hollow pipe, play the effect of protection transmission circuit. When the upright arm 122 is made of a malleable rubber material or a metal material, the upright arm 122 can be extended and contracted.

Referring to fig. 1 and 3, the base 121 includes a first support 1211, the first support 1211 is a circular truncated cone provided with a channel, the circular truncated cone includes a first end surface and a second end surface opposite to the first end surface, the channel connects the first end surface and the second end surface, and a projection area of the first end surface in a vertical direction is smaller than a projection area of the second end surface. The first support 1211 is a circular truncated cone having a channel (cavity) in which a transmission line or other circuit structures can be accommodated, so that the transmission line or other circuit structures are not exposed, and the sound pickup apparatus 100 is more attractive. The truncated cone-shaped first support 1211 contributes to increasing the stability of the reinforcing base 121.

Referring to fig. 3, the first end surface of the first support 1211 is provided with a mounting hole 1224, the fastening structure 123 is provided with a second mounting portion 1231, and the mounting hole 1224 is inserted into and connected to the second mounting portion 1231. The first support 1211 and the fastening structure 123 may be detachably connected by a screw connection, a snap connection, or an insertion connection, and the application does not specifically limit the detachable connection manner of the first support 1211 and the fastening structure 123.

Referring to fig. 3, the base 121 further includes a second support seat 1212, and the second support seat 1212 is located at a lower portion of the first support seat 1211. The second support block 1212 is fixedly connected to the first support block 1211, and a projection area of the second support block 1212 is larger than a projection area of the second end surface of the first support block 1211 in the vertical direction. In the vertical direction, the projection area of the second support seat 1212 is larger than the projection area of the second end face of the first support seat 1211, and is triangular as a whole, so that the base is more stable, and the pickup part is less prone to toppling when the pickup part is used. It should be noted that the second supporting seat 1212 and the first supporting seat 1211 can be fixedly connected by adhesion or thread, or integrally formed by injection molding.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A sound pickup apparatus, comprising:

the pickup assembly, the pickup assembly includes miaow head seat and two at least miaow heads, the miaow head all set up in on the miaow head seat, every two adjacent distance between the center of miaow head is less than or equal to the quarter the biggest wavelength of the sound wave that the miaow head can receive, each the miaow head is used for transmitting the sound wave that receives through independent transmission circuit.

2. The pickup apparatus as claimed in claim 1, wherein a plurality of annular walls having different radii are provided in concentric circles on the microphone head.

3. The pickup device as claimed in claim 1 or 2, further comprising a support member, wherein the support member is provided with a first elastic mounting portion, the microphone base is provided with a mounting passage, and the first mounting portion is connected to the mounting passage.

4. The pickup device as claimed in claim 3, wherein the support assembly includes a base and an upright arm, one end of the upright arm being connected to the pickup assembly and the other end being connected to the base.

5. The pickup apparatus of claim 4, wherein the support assembly includes a fastening structure by which the upright arm is pivotally connected to the base.

6. The pickup device as claimed in claim 5, wherein the upright arm includes a connecting member and a transition member, and both ends of the transition member are fixedly connected to one of the connecting members, respectively.

7. The pickup device as recited in claim 6 wherein the connector and the transition piece are hollow tubes.

8. The pickup device according to claim 5, wherein the base includes a first support base, the first support base is a circular truncated cone provided with a channel, the circular truncated cone includes a first end surface and a second end surface opposite to the first end surface, the channel is connected with the first end surface and the second end surface, and a projection area of the first end surface in a vertical direction is smaller than a projection area of the second end surface.

9. The pickup device as claimed in claim 8, wherein the first end surface of the first supporting seat is provided with a mounting hole, the fastening structure is provided with a second mounting portion, and the mounting hole is connected to the second mounting portion in a plugging manner.

10. The sound pickup device as claimed in claim 9, wherein the base further includes a second supporting seat, the second supporting seat is fixedly connected to the first supporting seat, and a projected area of the second supporting seat is larger than a projected area of the second end surface of the first supporting seat in a vertical direction.