CN108513713B

CN108513713B - Infrared wireless microphone

Info

Publication number: CN108513713B
Application number: CN201780003080.8A
Authority: CN
Inventors: 周庆叙
Original assignee: Shenzhen Taiden Industrial Co ltd
Current assignee: Shenzhen Taiden Industrial Co ltd
Priority date: 2017-03-02
Filing date: 2017-03-02
Publication date: 2020-05-05
Anticipated expiration: 2037-03-02
Also published as: WO2018157347A1; CN108513713A

Abstract

The utility model provides an infrared wireless microphone, microphone handle (2) of being connected including adapter (1) and with the bottom of adapter (1), still including infrared emission mechanism (3) of locating microphone handle (2) outside, infrared emission mechanism (3) are including casing (31), infrared circuit board (32) and infrared emission head (33), casing (31) are located in infrared circuit board (32), and infrared circuit board (32) are connected with infrared emission head (33) and the main circuit board of locating microphone handle (2) inside respectively, the lateral surface of casing (31) is arranged in to infrared emission head (33) outward, and infrared emission head (33) do not stand out in the outside terminal surface of casing (31), be equipped with anti-roll structure on casing (31). This infrared wireless microphone infrared signal's intensity can not weakened by objects such as infrared emission window, and after placing the microphone, infrared emission head (33) can not touch the desktop, effectively protects infrared emission head (33) not damaged, and infrared transmitting device is difficult for being sheltered from, does not influence signal transmission.

Description

Infrared wireless microphone

Technical Field

The invention belongs to the technical field of audio equipment, and particularly relates to an infrared wireless microphone.

Background

There are two broad categories of wireless sound amplification systems, one based on radio frequency (radio) technology and one based on infrared transmission technology. The infrared transmission technology is characterized in that infrared rays can not penetrate opaque objects but can be reflected, and mutual noninterference can be guaranteed as long as a room is partitioned, and the infrared transmission technology is not interfered by radio, so that the infrared transmission technology is particularly suitable for places such as meeting rooms, classrooms and the like. The basic infrared wireless sound amplifying system comprises an infrared wireless system host, an infrared receiver, an infrared wireless microphone, a sound amplifying system and the like, wherein the infrared wireless microphone is an important component of the infrared wireless system, is a main carrier for converting an audio signal into an optical signal, and has multiple use modes such as a handheld type, a chest hanging type and a head wearing type. The infrared transmitting device of the existing infrared wireless microphone is mostly arranged in an infrared transmitting window which plays a role of protection, but still has the following defects: 1) because the outer diameters of the infrared emission window and the microphone handle are basically consistent, in actual use, as many people do not know the characteristics of the infrared wireless microphone or do not use the experience or habit of the infrared technology wireless microphone, the situation that the infrared emission window is shielded when the microphone is held by hands occurs, which greatly influences the transmission of infrared signals; 2) because the infrared emission head is arranged in the infrared emission window, the finally sent infrared signal can be weakened due to the absorption, reflection, refraction and other effects of the transparent or semitransparent material of the infrared emission window. However, directly external with infrared emission device, when placing the microphone, the microphone rolls easily, can collide with infrared emission device, and serious probably causes the unable normal use of device.

Disclosure of Invention

The invention aims to provide an infrared wireless microphone, and aims to solve the problems that an infrared transmitting device in the prior art is easily shielded, affects signal transmission, is directly arranged outside and is easily collided.

In order to achieve the purpose, the invention adopts the technical scheme that: an infrared wireless microphone is provided, including: the adapter reaches with the microphone handle that the bottom of adapter is connected still including locating the infrared emission mechanism in the microphone handle outside, infrared emission mechanism includes casing, infrared circuit board and infrared emission head, infrared circuit board is located inside the casing, just infrared circuit board respectively with infrared emission head and locating the inside main circuit board of microphone handle is connected, infrared emission head arranges in outward the lateral surface of casing, just infrared emission head do not outstanding in the outside terminal surface of casing, be equipped with anti-roll structure on the casing.

Furthermore, the inside holding chamber that is used for holding of casing infrared circuit board, the casing outside is equipped with and enables infrared emission head stretches out the casing and with infrared emission head one-to-one's holding open structure.

Furthermore, the casing is an annular casing, the casing is sleeved at the position, close to the sound pick-up, of the periphery of the microphone handle, and the outer diameter of the casing is larger than the outer diameter of the microphone handle and the outer diameter of the sound pick-up respectively.

Furthermore, the anti-rolling structure comprises at least one anti-rolling groove arranged on the outer edge of the shell, and the inner wall of the anti-rolling groove is parallel to the central axis of the shell.

Furthermore, the containing opening structure is arranged in the anti-rolling groove, and the top end of the infrared emission head does not protrude out of the outermost end of the anti-rolling groove on the radial surface of the shell.

Further, the casing includes last casing and with go up the casing correspond and can with go up the lower casing that the casing is connected, go up the casing with form between the lower casing the holding chamber.

Furthermore, the upper shell comprises an upper supporting layer and an upper elastic layer, the upper elastic layer is coated on the outer surface of the upper supporting layer, the lower shell comprises a lower supporting layer and a lower elastic layer, and the lower elastic layer is coated on the outer surface of the lower supporting layer.

Furthermore, the upper support layer and the lower support layer are both resin members, and the upper elastic layer and the lower elastic layer are both elastic silica gel members.

Furthermore, the anti-rolling groove comprises an upper anti-rolling groove arranged on the outer edge of the upper shell and a lower anti-rolling groove arranged on the outer edge of the lower shell and matched with the upper anti-rolling groove.

Furthermore, the containing opening structure comprises an upper containing opening which is arranged in the upper anti-rolling groove and is opened towards the lower edge of the upper anti-rolling groove, and a lower containing opening which is arranged in the lower anti-rolling groove and corresponds to the upper containing opening.

Furthermore, the lower edge of the upper shell and the upper edge of the lower shell are provided with mutually matched buckle type connecting structures.

Furthermore, a positioning convex structure is arranged on the microphone handle, and a positioning groove structure matched with the positioning convex structure is arranged on the inner ring surface of the upper shell and/or the lower shell.

Further, the infrared emission head is an infrared emission tube member.

Furthermore, the outside of microphone handle is equipped with switch structure, the lower extreme of microphone handle is equipped with the charging socket structure.

The infrared wireless microphone provided by the invention has the beneficial effects that: compared with the prior art, the infrared wireless microphone has the advantages that the infrared transmitting mechanism is arranged, the infrared transmitting head of the infrared wireless microphone is externally arranged on the outer side surface of the shell, the infrared transmitting device and the microphone body are externally arranged, and the intensity of an infrared signal cannot be weakened by objects such as an infrared transmitting window and the like; the infrared emission mechanism with the anti-rolling structure can prevent the microphone from rolling after being placed, the infrared emission head does not protrude out of the end face of the outer side of the shell, and the infrared emission head cannot touch the desktop after the microphone is placed, so that the infrared emission head is effectively protected from being damaged; when holding the microphone, because the casing is bigger than the external diameter of microphone handle, form obvious salient structure, according to general habit of holding, the user can not touch the periphery of casing, enables infrared emitter and is difficult for being sheltered from when using, does not influence the transmission of signal.

Drawings

Fig. 1 is an exploded view of an infrared wireless microphone according to an embodiment of the present invention;

fig. 2 is an exploded view of an infrared emission mechanism used in an embodiment of the present invention.

In the figure: 1. a sound pickup; 2. a microphone handle; 3. an infrared emission mechanism; 31. a housing; 311. an upper housing; 312. a lower housing; 32. an infrared circuit board; 33. an infrared emitting head; 34. an accommodating cavity; 35. an accommodating opening structure; 351. an upper accommodating opening; 352. a lower accommodating opening; 36. an anti-rolling groove; 361. an upper anti-rolling groove; 362. a lower anti-roll groove; 4. positioning the protruding structure; 5. positioning groove structure.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the infrared wireless microphone provided by the present invention will now be described. Infrared wireless microphone, microphone handle 2 of being connected including adapter 1 and with the bottom of adapter 1, still including the infrared emission mechanism 3 who locates the microphone handle 2 outside, infrared emission mechanism 3 includes casing 31, infrared circuit board 32 and infrared emission head 33, infrared circuit board 32 is located inside casing 31, and infrared circuit board 32 is connected with infrared emission head 33 and the main circuit board of locating microphone handle 2 inside respectively, casing 31's lateral surface is arranged in to infrared emission head 33 is outer, and infrared emission head 33 is not outstanding in casing 31's outside terminal surface, casing 31's lateral surface is equipped with and is used for preventing the rolling anti-roll structure of microphone body.

Compared with the prior art, the infrared wireless microphone provided by the invention has the advantages that the infrared emission mechanism 3 is arranged, the infrared emission head 33 is arranged on the outer side surface of the shell 31, the infrared emission device and the microphone body are arranged externally, and the intensity of an infrared signal cannot be weakened by objects such as an infrared emission window; the anti-rolling structure of the infrared emission mechanism can prevent the microphone from rolling after the microphone is placed, the infrared emission head 33 does not protrude out of the end face of the outer side of the shell, and after the microphone is placed, the infrared emission head 33 cannot touch the desktop, so that the infrared emission head 33 is effectively protected from being damaged; when holding the microphone, because casing 1 is bigger than the external diameter of microphone handle 2, forms obvious protruding structure, according to general habit of holding, the probability that the upper surface or the lower surface of casing 31 were touched when using is littleer for the lateral surface of casing 31, and the user generally can not touch the periphery of casing 1, enables infrared emitter and is difficult to be sheltered from when using, does not influence the transmission of signal.

Specifically, referring to fig. 1, as a specific embodiment of the infrared wireless microphone provided by the present invention, a switch structure is further disposed on an outer side of the microphone handle 2, and a charging socket structure is further disposed at a lower end of the microphone handle, so that the microphone is conveniently switched when in use, and can be conveniently charged when not in use.

When the infrared wireless microphone works, an infrared wireless transmission system in the infrared wireless microphone amplifies an analog audio signal acquired by the sound pickup 1 through an amplifier, converts the analog audio signal into a digital audio signal through an A/D converter, performs digital coding through an encoder, performs QPSK modulation through a modulator, and finally reaches the infrared emission head 33 after being filtered through a filter to generate an infrared signal capable of being emitted. After the infrared wireless microphone sends out an infrared signal, an infrared receiver in the loudspeaker system receives the signal, then transmits the signal to the infrared wireless system host, amplifies the signal by an amplifier in the host, then filters the signal by a filter, and transmits the filtered signal to the loudspeaker system for loudspeaker after modulation, demodulation and sound mixing, thereby achieving the required loudspeaker effect. The infrared receiver may be provided in plurality.

Further, referring to fig. 1 and fig. 2 together, as a specific embodiment of the infrared wireless microphone provided by the present invention, in order to facilitate the installation of the infrared circuit board 32 and the infrared emission heads 33, an accommodating cavity 34 for accommodating the infrared circuit board 32 is disposed inside the casing 31, and an accommodating opening structure 35 is disposed outside the casing 31 for enabling the infrared emission heads 33 to extend out of the casing 31 and correspond to the infrared emission heads 33 one to one.

Specifically, as a specific embodiment of the infrared wireless microphone provided by the present invention, the infrared emitting head 33 is an infrared emitting tube member, and the structure thereof is suitable for external use, occupies a small space, and is convenient for assembly and subsequent use.

Further, referring to fig. 1 and 2, as an embodiment of the infrared wireless microphone provided by the present invention, in order to facilitate assembly and holding, and to achieve a more effective anti-roll effect, the housing 31 is an annular housing, the housing 31 is sleeved on the periphery of the microphone stem 2 near the microphone 1, and the outer diameter of the housing 31 is greater than the outer diameter of the microphone stem 2 and the outer diameter of the microphone 1, respectively. The casing 31 obviously protrudes from the microphone handle 2, and the casing 31 is close to the upper end of the microphone handle 2, when holding, a user generally only can hold the microphone handle 2 at a position slightly lower than the microphone handle, the lower end of the casing 31 plays a certain blocking role in the face of a human hand, and the human hand generally can not hold the outer side surface of the casing 31, namely, the infrared emission head can not be touched, and then the transmission of infrared signals can not be blocked. When the microphone is placed on a desktop, the casing 31 is used as a front fulcrum, the lower end of the microphone handle 2 is used as a rear fulcrum, so that the microphone body is in an inclined state, the casing 31 can be effectively prevented from rolling through the anti-rolling structure on the casing 31, and the whole microphone is prevented from rolling.

Further, referring to fig. 1 and 2, as a specific embodiment of the infrared wireless microphone provided by the present invention, in order to better achieve the anti-rolling effect, the anti-rolling structure includes at least one anti-rolling groove 36 disposed at the outer edge of the housing 31, and an inner wall of the anti-rolling groove 36 is parallel to a central axis of the housing 31. The groove structure is arranged on the outer edge of the annular shell 31, so that the outer edge of the shell 31 cannot form a complete circular row or other shapes capable of rolling, the shell 31 can be effectively prevented from rolling, the structure is simple, the manufacturing is convenient, and the use cost can be reduced.

Further, as a specific embodiment of the infrared wireless microphone provided by the present invention, in order to further improve the rolling prevention effect, the rolling prevention grooves 36 have at least three and are uniformly arranged around the central axis of the housing 31.

Further, referring to fig. 1 and 2, as a specific embodiment of the infrared wireless microphone provided by the present invention, the anti-rolling groove 36 is an arc-shaped groove, which enables the appearance of the housing 31 to be more beautiful and facilitates processing and manufacturing.

Further, referring to fig. 1 and fig. 2, as an embodiment of the infrared wireless microphone provided by the present invention, the accommodating opening structure 35 is disposed in the rolling-proof groove 36, and the top end of the infrared emitting head 33 does not protrude from the outermost end of the rolling-proof groove 36 on the radial surface of the housing 31. Since the anti-roll groove 36 is a concave structure on the outer edge of the housing 31, the infrared emission head 33 is placed therein with a smaller probability of being touched by a human hand than on the upper surface or the lower surface of the housing, and the infrared emission head 33 can be prevented from being touched when placed on a desktop, providing an effective protection.

Further, referring to fig. 2, as a specific embodiment of the infrared wireless microphone provided by the present invention, in order to facilitate the assembly of the infrared circuit board 32 and the infrared emitting head 33, the housing 31 is detachably configured, the housing 31 includes an upper housing 311 and a lower housing 312 corresponding to the upper housing 311 and capable of being connected to the upper housing 311, and a receiving cavity 34 is formed between the upper housing 311 and the lower housing 312.

Preferably, in order to ensure the structural strength and the comfort of the housing 31, the upper housing 311 includes an upper support layer and an upper elastic layer, the upper elastic layer covers the outer surface of the upper support layer, the lower housing 312 includes a lower support layer and a lower elastic layer, the lower elastic layer covers the outer surface of the lower support layer, the upper support layer and the lower support layer are both resin members, and the upper support layer and the lower support layer have high strength, good wear resistance, light weight and can prolong the service life of the housing 31; go up the elastic layer and the elastic layer is elastic silica gel component down, its compliance and elasticity are all very good, can bring better feel when touching casing 31 to it is nontoxic tasteless, when using, even very near can not cause the discomfort yet from the face.

Further, referring to fig. 1 and 2, as an embodiment of the infrared wireless microphone according to the present invention, since the housing 31 is separately provided, and the anti-rolling groove structure 36 is also separately designed, it is easier to manufacture and assemble, the anti-rolling groove 36 includes an upper anti-rolling groove 361 provided on an outer edge of the upper housing 311 and a lower anti-rolling groove 362 provided on an outer edge of the lower housing 312 and matching with the upper anti-rolling groove 361.

Further, referring to fig. 2, as an embodiment of the infrared wireless microphone provided by the present invention, the accommodating opening structure 35 includes an upper accommodating opening 351 disposed in the upper anti-rolling groove 361 and opening at a lower edge of the upper anti-rolling groove 361, and a lower accommodating opening 352 disposed in the lower anti-rolling groove 362 and corresponding to the upper accommodating opening 351. The housing opening structure 35 is provided separately, and is easier to assemble when the infrared emission head 33 is assembled.

Further, referring to fig. 1 and 2, as an embodiment of the infrared wireless microphone provided by the present invention, in order to facilitate positioning during assembling the housing 31 and to increase assembling efficiency, an assembling positioning protrusion is disposed on an upper portion of the lower anti-rolling groove 362, and an assembling positioning recess is disposed on a lower portion of the upper anti-rolling groove 361. In order to make the structure simpler, the assembly positioning protrusions extend all the way to the left and right sides of the lower anti-rolling groove 362, so that the lower anti-rolling groove 362 forms a structure similar to a 'concave' shape on the front projection surface, and the assembly positioning depressions extend all the way to the left and right sides of the upper anti-rolling groove 361, so that the upper anti-rolling groove 361 forms a structure similar to a 'convex' shape on the front projection surface.

Further, as a specific embodiment of the infrared wireless microphone provided by the present invention, in order to facilitate the assembly and disassembly of the housing 31 itself, the lower edge of the upper housing 311 and the upper edge of the lower housing 312 are provided with snap-fit connection structures that are engaged with each other, and the upper and lower housings can be assembled and disassembled repeatedly, which is convenient for maintenance, easy for positioning, and high in assembly and disassembly efficiency.

Further, referring to fig. 1 and fig. 2, as an embodiment of the infrared wireless microphone provided by the present invention, a positioning protrusion structure 4 is disposed on the microphone handle, and a positioning groove structure 5 matched with the positioning protrusion structure 4 is disposed on the inner circumferential surface of the upper housing 311 and/or the lower housing 312. It should be noted that the positioning groove structure 5 is a groove structure that opens to the inner annular surface of the housing 31 and the lower end surface of the housing 31, that is, the positioning groove structure 5 is not a through groove.

First, the infrared circuit board 32 and the infrared emission head 33 are assembled with the housing 31. When installing infrared emission mechanism 3 wholly, the upper end of adapter 1 and words section of thick bamboo handle 2 is in the separation state earlier, overlaps from the upper end of words section of thick bamboo handle 2 downwards earlier casing 31, notices during the suit to aim at positioning groove structure 5 and location protruding structure 4. After the housing 31 is fitted with the designated position of the cylinder handle 2, the positioning projection structure 4 can be inserted into the positioning groove structure 5, and then the infrared circuit board 32 is electrically connected to the main circuit board in the cylinder handle 2. The positioning groove structure 5 is matched with the positioning protrusion structure 4, so that the infrared emission mechanism can be limited on the radial surface and the axial surface of the microphone handle 2, the rotation or the axial sliding of the infrared emission mechanism is prevented, and the stable structure is ensured during use.

Further, referring to fig. 2, as a specific embodiment of the infrared wireless microphone provided by the present invention, in order to simplify the structure, a positioning groove structure of a through groove is disposed on the lower housing 312.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Infrared wireless microphone, including the adapter and with the microphone handle that the bottom of adapter is connected, its characterized in that: the microphone comprises a microphone handle and is characterized by further comprising an infrared emission mechanism arranged on the outer side of the microphone handle, wherein the infrared emission mechanism comprises a shell, an infrared circuit board and an infrared emission head, the infrared circuit board is arranged in the shell and is respectively connected with the infrared emission head and a main circuit board arranged in the microphone handle, the infrared emission head is arranged on the outer side surface of the shell and does not protrude out of the outer side end surface of the shell, and an anti-rolling structure is arranged on the shell;

the casing is cyclic annular casing, the external diameter of casing is greater than respectively the external diameter of microphone handle reaches the external diameter of adapter, anti-roll structure is including locating a plurality of anti-roll grooves of casing outer fringe, infrared emission head is located in the anti-roll groove, just infrared emission head encircles the casing is provided with a plurality ofly.

2. The infrared wireless microphone as defined by claim 1, wherein: the casing is inside to be equipped with and to be used for holding the holding chamber of infrared circuit board, the casing outside is equipped with and enables the infrared emission head stretches out the casing and with the holding open structure of infrared emission head one-to-one.

3. The infrared wireless microphone as defined by claim 2, wherein: the shell is sleeved at the position, close to the sound pick-up, of the periphery of the microphone handle.

4. The infrared wireless microphone as defined by claim 3, wherein: the inner wall of the anti-rolling groove is parallel to the middle shaft of the shell.

5. The infrared wireless microphone as defined by claim 4, wherein: the containing opening structure is arranged in the anti-rolling groove, and the top end of the infrared emission head does not protrude out of the outermost end of the anti-rolling groove on the radial surface of the shell.

6. The infrared wireless microphone as defined by claim 5, wherein: the shell comprises an upper shell and a lower shell which corresponds to the upper shell and can be connected with the upper shell, and the accommodating cavity is formed between the upper shell and the lower shell.

7. The infrared wireless microphone as defined by claim 6 wherein: go up the casing and include supporting layer and last elastic layer, go up the elastic layer cladding in go up the surface of supporting layer, the casing includes supporting layer and lower elastic layer down, the elastic layer cladding in the surface of supporting layer down.

8. The infrared wireless microphone as defined by claim 7, wherein: go up the supporting layer and the bottom suspension bed is the resin component, go up the elastic layer and the elastic layer is the elasticity silica gel component down.

9. The infrared wireless microphone as defined by claim 6 wherein: the anti-rolling groove comprises an upper anti-rolling groove arranged on the outer edge of the upper shell and a lower anti-rolling groove arranged on the outer edge of the lower shell and matched with the upper anti-rolling groove.

10. The infrared wireless microphone as defined by claim 9, wherein: the containing opening structure comprises an upper containing opening which is arranged in the upper anti-rolling groove and is opened towards the lower edge of the upper anti-rolling groove, and a lower containing opening which is arranged in the lower anti-rolling groove and corresponds to the upper containing opening.

11. The infrared wireless microphone as defined by claim 6 wherein: the lower edge of the upper shell and the upper edge of the lower shell are provided with mutually matched buckle type connecting structures.

12. The infrared wireless microphone as defined by claim 6 wherein: the microphone handle is provided with a positioning protrusion structure, and the inner ring surface of the upper shell and/or the lower shell is provided with a positioning groove structure matched with the positioning protrusion structure.

13. The infrared wireless microphone as defined by claim 1, wherein: the infrared emission head is an infrared emission tube component.

14. The infrared wireless microphone as defined by claim 1, wherein: the outer side of the microphone handle is provided with a switch structure, and the lower end of the microphone handle is provided with a charging socket structure.