CN216673244U

CN216673244U - Wireless microphone transmitting terminal and wireless microphone assembly

Info

Publication number: CN216673244U
Application number: CN202123039725.6U
Authority: CN
Inventors: 庄永平; 杨成志; 许凌
Original assignee: iFlytek Co Ltd
Current assignee: iFlytek Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-06-03
Anticipated expiration: 2031-12-06

Abstract

The utility model provides a wireless microphone transmitting end and a wireless microphone assembly, and relates to the technical field of audio equipment. The wireless microphone transmitting end comprises a trigger element, a central processing unit, a sound pick-up, a double-throw switch, a charging circuit and a data transmission circuit, wherein the sound pick-up and the trigger element are respectively connected with the central processing unit; the double-throw switch is used for conducting the charging circuit when the trigger element receives the first trigger signal, and conducting one of the data transmission circuits when the trigger element receives the second trigger signal; the charging circuit comprises a rechargeable battery and a charging contact electrically connected with the rechargeable battery, and the rechargeable battery is used for supplying power to the central processing unit and the sound pick-up; the data transmission circuit comprises a memory and a data transmission contact connected with the memory, and the memory is connected with the central processing unit to store the audio information collected by the sound pick-up. It can backup audio information, and the leakproofness is good, reduces rainy day or unexpected the falling into water and leads to intaking to influence the risk of normal audio frequency collection.

Description

Wireless microphone transmitting terminal and wireless microphone assembly

Technical Field

The utility model relates to the technical field of audio equipment, in particular to a wireless microphone transmitting end and a wireless microphone assembly.

Background

A microphone is an energy conversion device that converts a sound signal into an electrical signal. The wireless microphone has the characteristic of flexible use due to no constraint of electric wires, and is widely applied to occasions such as teaching, meetings, speeches, outdoor camera shooting and the like.

The existing wireless microphone comprises a receiving end and a transmitting end, wherein the transmitting end communicates with the receiving end in a wireless communication mode to transmit audio data. If communication fault then can lead to audio data collection incomplete or lose during the use, the interface that charges of current transmitting terminal adopts the USB interface moreover, if outdoor rainy day or unexpected aquatic that drops then can intake, and then lead to the unable normal use of transmitting terminal, influence user experience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wireless microphone transmitting end and a wireless microphone assembly, which are used for solving the problems that a wireless microphone in the prior art is poor in waterproof performance and cannot make up for lost audio data.

The utility model provides a wireless microphone transmitting end which comprises a trigger element, a central processing unit, a sound pick-up, a double-throw switch, a charging circuit and a data transmission circuit, wherein the sound pick-up and the trigger element are respectively connected with the central processing unit;

the double-throw switch is used for conducting the charging circuit when the trigger element receives a first trigger signal, and conducting one of the data transmission circuits when the trigger element receives a second trigger signal;

the charging circuit comprises a rechargeable battery and a charging contact electrically connected with the rechargeable battery, and the rechargeable battery is used for supplying power to the central processing unit and the sound pick-up;

the data transmission circuit comprises a memory and a data transmission contact connected with the memory, and the memory is connected with the central processing unit to store the audio information collected by the sound pickup.

According to the wireless microphone transmitting terminal provided by the utility model, the wireless microphone transmitting terminal also comprises a shell, and the charging contact and the data transmission contact are arranged on the same side of the shell.

According to the wireless microphone transmitting terminal provided by the utility model, the sound pickup is arranged at the top of the shell, and the trigger element and the charging contact are oppositely arranged at two sides of the shell.

According to the wireless microphone transmitting terminal provided by the utility model, the shell is also provided with an electric quantity indicator lamp, and the electric quantity indicator lamp is used for displaying an early warning color when the electric quantity of the rechargeable battery is lower than a preset value; and/or the presence of a gas in the gas,

the shell is provided with an on-off key, and the on-off key is used for opening or closing the sound pick-up when triggered.

According to the wireless microphone transmitting terminal provided by the utility model, the trigger element is a metal contact.

According to the transmitting terminal of the wireless microphone provided by the utility model, the central processing unit is in communication connection with the metal contact, and the central processing unit controls the double-throw switch to conduct the charging circuit or the data transmission circuit according to the level signal fed back by the metal contact.

The embodiment of the utility model also provides a wireless microphone assembly which comprises a charging bin and the wireless microphone transmitting end, wherein the wireless microphone can be inserted into the charging bin for charging or accommodated in the charging bin.

According to the wireless microphone assembly provided by the utility model, the charging bin is internally provided with the contact elastic sheets, when the wireless microphone is inserted into the charging bin, the contact elastic sheets are connected with the charging contacts, and the four contact elastic sheets are arranged at intervals along the first direction.

According to the wireless microphone assembly provided by the utility model, the inner wall of the charging bin is provided with the insulating layer, the trigger element is the metal contact, the metal contact is abutted to the insulating layer to trigger the first level signal, and the central processing unit controls the charging circuit to be conducted according to the first level signal.

According to the wireless microphone assembly provided by the utility model, the wireless microphone assembly further comprises a data transmission piece, the trigger element is a metal contact, when the transmitting end of the wireless microphone is connected with the data transmission piece, the metal contact triggers a second level signal, and the double-throw switch controls the data transmission circuit to be conducted according to the second level signal.

According to the wireless microphone transmitting terminal and the wireless microphone assembly, the data transmission circuit comprises the memory, audio information can be backed up, the situation that the lost audio cannot be recovered after data are lost in the wireless transmission process is avoided, the double-throw switch is switched between the charging mode and the data transmission mode, the charging circuit and the data transmission circuit are electrically connected with the outside through the charging contact and the data transmission contact, compared with a charging port and a data transmission port in an interface mode, the wireless microphone transmitting terminal and the wireless microphone assembly are better in sealing performance and appearance harmony, and the risk that water inflow influences normal audio collection due to rainy days or accidental water falling is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a transmitting end of a wireless microphone provided by the present invention;

fig. 2 is a schematic structural diagram of a wireless microphone assembly provided by the present invention;

FIG. 3 is a schematic diagram of the wireless microphone transmitting terminal shown in FIG. 1 transmitting audio data to an electronic device;

reference numerals:

10: a trigger element; 20: a central processing unit; 30: a sound pickup; 40: a double throw switch; 50: a charging contact; 60: a memory; 61: a data transmission contact; 70: a charging bin; 80: a data transmission member; 100: a wireless microphone transmitting end; 200: a receiving end; 300, respectively; an electronic device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

With the development of the video industry, a large number of video producers can shoot videos far away from a camera, and audio cannot be acquired or the sound is too small. For this reason, wireless microphones are often used at present. The wireless microphone comprises a transmitting end and a receiving end, the transmitting end is held by a user or fixed at a certain position to collect audio information, and the receiving end is inserted in the camera to receive the audio information through wireless transmission, so that the user audio is collected while the video is shot in the shooting process.

The wireless microphone transmitting end and the wireless microphone assembly of the present invention will be described with reference to fig. 1 to 3.

Fig. 1 is a schematic structural diagram of a transmitting end of a wireless microphone provided by the present invention. As shown in fig. 1, the wireless microphone transmitting terminal 100 includes a trigger element 10, a central processing unit 20, a sound pickup 30, a double-throw switch 40, a charging circuit, and a data transmission circuit. The sound collector 30 and the trigger element 10 are respectively connected with the central processing unit 20. The double-throw switch 40 is used to turn on the charging circuit when the trigger element 10 receives a first trigger signal, and to turn on one of the data transmission circuits when the trigger element 10 receives a second trigger signal.

The charging circuit comprises a rechargeable battery and a charging contact 50 electrically connected with the rechargeable battery, and the rechargeable battery is used for supplying power to the central processing unit 20 and the sound pick-up 30; the data transmission circuit comprises a memory 60 and a data transmission contact 61 connected with the memory 60, and the memory 60 is connected with the central processing unit 20 to store the audio information collected by the sound collector 30.

The sound pickup 30 includes one or more microphones, and the audio information collected by the sound pickup 30 is stored in the memory 60 after passing through the central processing unit 20. Specifically, the microphone 30 is connected to an audio acquisition pin of the central processor 20 to acquire audio data acquired by the microphone 30. The double-throw switch 40 is a single-pole double-throw switch 40, and one of the data transmission circuit and the charging circuit can be selectively turned on by the double-throw switch 40.

In particular, the triggering element 10 is a sliding key or a metal contact. In the case where the triggering element 10 is a sliding key, if the sliding key slides to the charging position, the charging battery can be charged when the charging contact 50 is connected to the external charging device; if the sliding key slides to the data transmission bit, the audio information stored in the memory 60 can be exported to the electronic device 300 such as a computer when the data transmission contact 61 is in communication connection with the external electronic device 300. It is understood that the charging battery cannot be charged even if the charging contact 50 is connected to an external charging device when the slide key is in the data transfer bit. In the case that the triggering element 10 is a metal contact, if the metal contact is connected to an external charging device and triggers a first level signal, the charging contact 50 is used to charge the rechargeable battery; if the metal contact is connected to an external electronic device and triggers a second level signal, the audio information stored in the memory 60 is exported to the electronic device 300 such as a computer through the data transmission contact 61. The first level signal is at a low level, and the second level signal is at a high level; or the first level signal is at a high level and the second level signal is at a low level.

In the transmitting terminal of the wireless microphone provided by the embodiment of the utility model, the data transmission circuit comprises the memory 60, the audio information can be backed up, the situation that the lost audio cannot be recovered after the data is lost in the wireless transmission process is prevented, the double-throw switch 40 is switched between the charging mode and the data transmission mode, the charging contact 50 and the data transmission contact 61 are used for realizing the electric connection between the charging circuit and the data transmission circuit and the outside, compared with a charging port and a data transmission port in an interface form, the sealing performance and the appearance coordination are better, and the risk that the normal audio acquisition is influenced by water inflow caused by rain or accidental water falling is reduced.

On the basis of the above embodiment, the wireless microphone transmitting terminal 100 further includes a housing, and the charging contact 50 and the data transmission contact 61 are disposed on the same side of the housing.

Wherein, the charging contact 50 and the data transmission contact 61 can be arranged on the same side of the shell, which is convenient for arranging circuits and designing shell molds. Of course, the charging contact 50 and the data transmission contact 61 may be disposed on different sides of the housing, and the embodiment of the present invention is not limited thereto.

In one embodiment, the pickup 30 is disposed at the top of the housing, and the trigger element 10 is disposed on both sides of the housing opposite the charging contacts 50.

In addition, the sound pickup 30 may be disposed on the top side of the housing, and the trigger element 10 may be disposed on the same side or adjacent to the housing opposite to the charging contact 50.

In order to conveniently check the power, the wireless microphone transmitting terminal 100 is further provided with a power indicator. Specifically, the electric quantity indicating lamp is installed on the shell and is used for displaying the early warning color when the electric quantity of the rechargeable battery is lower than a preset value. And/or, the shell is provided with an on-off key which is used for turning on or off the sound pick-up 30 when being triggered.

The warning color may be red or yellow. The preset value can be 20% or 10% of the full charge of the rechargeable battery, and is determined according to usage experience. Of course, the electric quantity indicator light can display different electric quantity values in different colors.

The on-off key is an elastic key or a push-pull key, and the on-off key is used for starting the wireless microphone transmitting terminal 100 to start recording when triggered and closing the wireless microphone transmitting terminal 100 when triggered again. It should be noted that the on/off key does not affect the derivation of the audio data in the memory 60.

In an alternative embodiment, the triggering element 10 is a metal contact.

The metal contact contacts the insulating member or contacts the conductive member to form a different level signal, and the double throw switch 40 turns on the charging circuit. For example, the metal contact is at a low level in a default state, and when the metal contact is in contact with the insulating member, the level state is not changed, and at this time, the metal contact can be connected with an external charging device to charge the rechargeable battery. When the metal contact contacts with the conductive member, the conductive member causes the potential of the metal contact to change, and the double-throw switch 40 is switched to conduct the data transmission circuit, so that the transmitting terminal operates in a data transmission mode.

In the case that the trigger element 10 is a metal contact, the central processing unit 20 is in communication connection with the metal contact, and the central processing unit 20 controls the double-throw switch 40 to turn on the charging circuit or the data transmission circuit according to a level signal fed back by the metal contact.

The cpu 20 controls the double-throw switch 40 to switch on the circuit according to the high/low level of the level signal. Compared with a mode of adjusting the double-throw switch 40 by a sliding key or a pressing key, the metal contact is more favorable for realizing good sealing, and the waterproof performance of the wireless microphone transmitting terminal 100 is improved.

Besides, the embodiment of the present invention further provides a wireless microphone assembly, which includes the charging chamber 70 and the wireless microphone transmitting terminal 100 as described above, and the wireless microphone can be inserted into the charging chamber 70 for charging or accommodated in the charging chamber 70.

Wherein, wireless microphone subassembly still includes receiving terminal 200, and receiving terminal 200 inserts and establishes to charge and realize accomodating in the storehouse of charging 70, and the transmitting terminal holds in the storehouse of charging 70. Specifically, the charging chamber 70 is provided with three grooves, one of which is used for accommodating the transmitting end, the other is used for accommodating the receiving end 200, and the third is used for placing the data transmission member 80. The charging chamber 70 has both portable charging and storage functions. Of course, the charging chamber 70 may be used only for charging the wireless microphone transmitting terminal 100, and the storage case is another structure independent from the charging chamber 70.

Specifically, be equipped with the contact shell fragment in the storehouse 70 that charges, when wireless microphone inserted and establishes in storehouse 70 that charges, the contact shell fragment links to each other with charging contact 50, and four contact shell fragments set up along first direction interval.

As shown in fig. 2 and 3, four contact spring pieces are provided, which are respectively a ground terminal GND, a power terminal VCC, a data transmitting terminal TX and a data receiving terminal RX, and the contact spring pieces may be elastic probes or spring piece type structures, so that the charging contacts 50 are electrically connected.

In a specific embodiment, an insulating layer is disposed on an inner wall of the charging chamber 70, the triggering element 10 is a metal contact, the metal contact abuts against the insulating layer to trigger the first level signal, and the cpu 20 controls the charging circuit to be turned on according to the first level signal.

The charging chamber 70 is provided with an insulating layer therein to prevent the double throw switch 40 from switching the conductive state due to the interference of the metal contact. The metal contact is abutted to the insulating layer, the metal contact triggers a first level signal, and the central processing unit 20 controls the charging circuit to be conducted according to the first level signal. Optionally, the connected state is a default state, and the double-throw switch 40 turns on the charging circuit as long as the level at the metal contact is unchanged.

In an embodiment of the present invention, the wireless microphone assembly further includes a data transmission element 80, the triggering element 10 is a metal contact, when the wireless microphone transmitting terminal 100 is connected to the data transmission element 80, the metal contact triggers a second level signal, and the double-throw switch 40 controls the data transmission circuit to be turned on according to the second level signal.

The data transmission element 80 may be a data line with a plug, the wireless microphone transmitting terminal 100 is connected to the data transmission element 80, the metal contact triggers a second level signal, that is, compared with the conduction state of the charging circuit, the level at the metal contact changes, and the double-throw switch 40 switches the state to conduct the data transmission circuit.

The data transmission member 80 is provided with a spring or a probe for contacting with the metal contact to trigger the metal contact to change the level signal. As shown in fig. 3, with the data transmission unit 80, the audio data stored in the memory can be exported to the electronic device 300 in case of loss of the wireless transmission of the audio data.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A wireless microphone transmitting terminal is characterized by comprising a trigger element, a central processing unit, a sound pick-up, a double-throw switch, a charging circuit and a data transmission circuit, wherein the sound pick-up and the trigger element are respectively connected with the central processing unit;

2. The wireless microphone transmitting terminal of claim 1, further comprising a housing, wherein the charging contacts and the data transmission contacts are disposed on a same side of the housing.

3. The wireless microphone transmitting end of claim 2, wherein the pickup is disposed at a top portion of the housing, and the trigger element is disposed on both sides of the housing opposite the charging contact.

4. The wireless microphone transmitting terminal according to claim 2, wherein the housing is further provided with a power indicator light, and the power indicator light is used for displaying an early warning color when the power of the rechargeable battery is lower than a preset value; and/or the presence of a gas in the gas,

5. The wireless microphone transmitting end of claim 1, wherein the triggering element is a metal contact.

6. The transmitting end of the wireless microphone as claimed in claim 5, wherein the central processing unit is communicatively connected to the metal contact, and the central processing unit controls the double-throw switch to turn on the charging circuit or the data transmission circuit according to a level signal fed back from the metal contact.

7. A wireless microphone assembly, comprising a charging chamber and the wireless microphone transmitting end of any one of claims 1 to 6, wherein the wireless microphone can be inserted into the charging chamber for charging or stored in the charging chamber.

8. The wireless microphone assembly of claim 7, wherein a contact spring is disposed in the charging chamber, and when the wireless microphone is inserted into the charging chamber, the contact spring is connected to the charging contact, and four contact springs are disposed at intervals along a first direction.

9. The wireless microphone assembly of claim 7, wherein the inner wall of the charging chamber is provided with an insulating layer, the triggering element is a metal contact, the metal contact abuts against the insulating layer to trigger a first level signal, and the central processing unit controls the charging circuit to be conducted according to the first level signal.

10. The wireless microphone assembly of claim 7 or 9, further comprising a data transmission element, wherein the triggering element is a metal contact, when the transmitting end of the wireless microphone is connected to the data transmission element, the metal contact triggers a second level signal, and the double-throw switch controls the data transmission circuit to be turned on according to the second level signal.