CN220493135U - Microphone receiver, microphone transmitter and microphone assembly - Google Patents
Microphone receiver, microphone transmitter and microphone assembly Download PDFInfo
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- CN220493135U CN220493135U CN202321876092.0U CN202321876092U CN220493135U CN 220493135 U CN220493135 U CN 220493135U CN 202321876092 U CN202321876092 U CN 202321876092U CN 220493135 U CN220493135 U CN 220493135U
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Abstract
The utility model provides a microphone receiver, a microphone transmitter and a microphone assembly, and relates to the technical field of pickup equipment. The microphone receiver comprises a shell, a control main board and an analog audio interface, wherein the control main board is fixed in the shell, the analog audio interface is arranged on the shell, a first communication module and an MOS tube are arranged on the control main board, the first communication module is used for receiving photographing signals sent by a microphone transmitter, the G end of the MOS tube is electrically connected with the first communication module, one of the S pole and the D pole of the MOS tube is connected with a grounding end, and the other is connected with the analog audio interface. The MOS tube is arranged to adjust the level state of the analog audio interface, and then the electronic equipment can recognize the photographing signal without a USB interface, so that the microphone receiver which does not support the USB interface also has a remote photographing function, the cost is low, the technical requirement on a hardware platform is small, and the implementation is easy.
Description
Technical Field
The present utility model relates to the field of sound pickup apparatuses, and in particular, to a microphone receiver, a microphone transmitter, and a microphone assembly.
Background
The wireless microphone transmits the voice signals collected by the microphone to the receiving end through wireless transmission, and meanwhile, the accuracy and stability of the voice signals are guaranteed. With the rapid development of the short video market, wireless microphones are increasingly used. In the short video production process, a user uses a wireless microphone to record videos in cooperation with electronic equipment such as a mobile phone. Taking a mobile phone as an example, under a shooting/video recording function interface, the quick shooting function of the mobile phone can be realized through a volume button. In order to enable a user to remotely control photographing through a wireless microphone, a USB interface is required to be supported by the wireless microphone receiver at present. In many low-cost wireless microphone products, the wireless microphone receiver hardware platform does not support the USB interface, and the remote photographing function cannot be realized.
Disclosure of Invention
The utility model provides a microphone receiver, a microphone transmitter and a microphone assembly, which are used for solving the defect that a wireless microphone receiver hardware platform which does not support a USB interface in the prior art cannot realize a remote control photographing function.
In a first aspect, the utility model provides a microphone receiver, which comprises a shell, a control main board and an analog audio interface, wherein the control main board is fixed in the shell, the analog audio interface is arranged on the shell, a first communication module and an MOS tube are arranged on the control main board, the first communication module is used for receiving a photographing signal sent by a microphone transmitter, a G end of the MOS tube is electrically connected with the first communication module, one of an S pole and a D pole of the MOS tube is connected with a grounding end, and the other is connected with the analog audio interface.
According to the microphone receiver provided by the utility model, the first resistor is arranged on the audio line between the MOS tube and the analog audio interface.
According to the microphone receiver provided by the utility model, the resistance value of the first resistor is 240 ohms.
According to the microphone receiver provided by the utility model, the first communication module is a Bluetooth module or a ZigBee module.
According to the microphone receiver provided by the utility model, the S pole of the MOS tube is connected with the analog audio interface, and the D pole of the MOS tube is connected with the grounding end.
In a second aspect, the present utility model further provides a microphone transmitter, where the microphone transmitter is adapted to the microphone receiver according to the first aspect, a key is provided on the microphone transmitter, a control board and a second communication module are installed in the microphone transmitter, the second communication module and the key are respectively electrically connected with the control board, the control board is used for generating the photographing signal when the key is continuously pressed twice, and the second communication module is in wireless communication connection with the first communication module.
According to the microphone transmitter provided by the utility model, the second communication module and the first communication module adopt the same wireless communication module.
In a third aspect, the present utility model also provides a microphone assembly comprising a microphone transmitter as described in the second aspect and a microphone receiver as described in the first aspect, the microphone transmitter being in wireless communication with the microphone receiver.
According to the microphone assembly provided by the utility model, the microphone assembly further comprises an audio patch cord, one end of the audio patch cord can be in butt joint with the analog audio interface, and the other end of the audio patch cord is used for being connected with the audio interface on the electronic equipment.
According to the microphone assembly provided by the utility model, the audio patch cord is a TRS-to-TRRS audio cable.
According to the microphone receiver, the microphone transmitter and the microphone assembly, the MOS tube is arranged to adjust the level state of the analog audio interface, and the electronic equipment can recognize the photographing signal without a USB interface, so that the microphone receiver which does not support the USB interface also has a remote photographing function, is low in cost, has small technical requirements on a hardware platform and is easy to realize.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a partial circuit structure of a microphone receiver according to the present utility model;
fig. 2 is a schematic diagram of a connection structure between a microphone assembly and an electronic device according to the present utility model;
reference numerals:
10. a first communication module; 20. a MOS tube; 30. an analog audio interface; 31. a first resistor; 60. a microphone transmitter; 61. a key; 62. a second communication module; 70. an audio patch cord; 80. an electronic device; 81. an audio interface.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The microphone receiver of the present utility model is described below with reference to fig. 1.
The embodiment of the utility model provides a microphone receiver, which comprises a shell, a control main board and an analog audio interface 30. The control motherboard is fixed in the housing, and the analog audio interface 30 is disposed on the housing. The control main board is provided with a first communication module 10 and an MOS tube 20, wherein the first communication module 10 is used for receiving photographing signals sent by the microphone transmitter. As shown in fig. 1, the G end of the MOS transistor 20 is electrically connected to the first communication module 10; one of the S pole and the D pole of the MOS tube 20 is connected with a grounding end, and the other is connected with an analog audio interface 30.
Optionally, the analog audio interface 30 is a TRS interface, for example, the analog audio interface 30 is an audio socket having a 3.5mm interface, and is connected to the MOS transistor 20 through an audio line. Alternatively, the analog audio interface 30 is an audio jack with a 2.5mm interface. Alternatively, the analog audio interface 30 is an RCA interface or a card agricultural interface, or the like. In use, the analog audio interface 30 is connected to the electronic device 80 via the audio patch cord 70.
The microphone transmitter is provided with a key, and after the key is pressed, trigger signals are generated, and different trigger signals are generated according to different pressing modes. For example, the first communication module 10 receives the trigger signal sent by the microphone transmitter by pressing the trigger switch signal once and starting the photographing signal twice in succession, and the MOS transistor 20 switches the on state based on the different trigger signals. Specifically, the user operates the microphone transmitter to control the electronic device 80 to perform the photographing operation, the microphone transmitter sends a photographing signal generated by the user operation to the first communication module 10, and the control main board controls the G end of the MOS tube 20 to be at a high level according to the photographing signal received by the first communication module 10, so that the S pole and the D pole of the MOS tube 20 are turned on, and the analog audio interface 30 is grounded. Thus, by adjusting the level state of the analog audio interface 30, the electrical signal input to the electronic device 80 is controlled. The output of the high-level signal may be directly generated by the first communication module 10 after receiving the photographing signal, and the corresponding first communication module 10 is directly connected to the G end of the MOS tube 20 to transmit the high-level signal to the G end of the MOS tube 20; alternatively, the high-level signal may be generated by a control unit on the control motherboard according to the photographing signal received by the first communication module 10, where the first communication module 10 and the G end of the MOS transistor 20 are indirectly connected through the control unit.
When the microphone receiver is used, the microphone receiver is connected with the electronic device 80 through the audio patch cord 70, the first communication module 10 receives a photographing signal generated by the microphone transmitter, the control main board controls the MOS tube 20 to be conducted based on the photographing signal, and the level state of the analog audio interface 30 is adjusted, so that the electronic device 80 can recognize the photographing signal according to the built-in running program thereof, and a photographing program is started.
According to the microphone receiver provided by the embodiment of the utility model, the MOS tube 20 is arranged to adjust the level state of the analog audio interface 30, so that the electronic equipment 80 can identify a photographing signal without a USB interface, and the microphone receiver which does not support the USB interface also has a remote control photographing function, so that the cost is low, the technical requirement on a hardware platform is small, and the implementation is easy.
As shown in fig. 1, a first resistor 31 is installed on an audio line between the MOS transistor 20 and the analog audio interface 30.
The resistance value of the first resistor 31 mounted on the audio line is determined according to the identification criteria of the operating system in the electronic device 80. Taking an android identification standard as an example, the resistance value of the first resistor 31 is 240 ohms so as to simulate the volume key function of the android system. When the MOS tube 20 is turned on, the audio line connected to the analog audio interface 30 is grounded, that is, the first resistor 31 is grounded, and the android system recognizes the level state of the analog audio interface 30 and triggers the photographing function.
Optionally, the first communication module 10 is a bluetooth module or a ZigBee module. Of course, the first communication module 10 may also be a wireless lan module or other functional modules capable of implementing wireless transmission.
In an alternative embodiment, as shown in fig. 1, the S pole of the MOS transistor 20 is connected to the analog audio interface 30, and the D pole of the MOS transistor 20 is connected to the ground.
If the types of the MOS transistors 20 are different, the D pole of the MOS transistor 20 may be connected to the analog audio interface 30, and the S pole of the MOS transistor 20 may be connected to the ground. As long as the MOS transistor 20 can be turned on after receiving the photographing signal by the first communication module 10, so that the analog audio interface 30 is grounded.
Embodiments of the present utility model also provide a microphone transmitter 60, which microphone transmitter 60 is adapted to a microphone receiver as described above. Wherein, be provided with button 61 on the microphone transmitter 60, install control panel and second communication module 62 in the microphone transmitter 60, second communication module 62 and button 61 are connected with the control panel electricity respectively, and the control panel is used for generating the signal of shooing under the condition that button 61 was pressed twice in succession, and second communication module 62 is connected with first communication module 10 radio communication.
The specific structure of the microphone transmitter 60 is the same as that of the existing wireless microphone for picking up the user's voice and transmitting the photographing signal to the microphone receiver through the communication of the second communication module 62 with the first communication module 10.
Specifically, the first communication module 10 and the second communication module 62 employ the same wireless communication module. For example, the first communication module 10 and the second communication module 62 each employ a bluetooth module. As another example, the first communication module 10 and the second communication module 62 each employ ZigBee modules.
Embodiments of the present utility model also provide a microphone assembly comprising a microphone transmitter 60 as described above and a microphone receiver as described above, the microphone transmitter 60 being in wireless communication with the microphone receiver.
In use, the microphone transmitter 60 is worn by a user and the microphone receiver is connected to the electronic device 80. When a user records audio information, the audio information picked up by the microphone is sent to the electronic device 80 for storage by means of the wireless communication connection of the microphone transmitter 60 and the microphone receiver; when the user presses a key 61 on the microphone transmitter 60, the electronic device 80 may be remotely controlled to perform a corresponding operation. For example, the user continuously presses the key 61 on the microphone emitter 60 twice to control the electronic device 80 to start the photographing function, so that the electronic device 80 is remotely controlled to photograph without operating the electronic device 80 by the user, and the operation is simple and convenient.
Based on the above embodiment, the microphone assembly further includes an audio patch cord 70, one end of the audio patch cord 70 may be docked with the analog audio interface 30, and the other end of the audio patch cord 70 is used to connect with the audio interface 81 on the electronic device 80.
The electronic device 80 is an intelligent device such as a mobile phone, a tablet computer, a video camera and the like, the electronic device 80 is provided with an audio interface 81, and the audio interface 81 is connected with the analog audio interface 30 on the microphone receiver through the audio patch cord 70. Specifically, the audio patch cord 70 is a TRS-to-TRRS audio cable. It will be appreciated that the audio patch cord 70 may be provided as a separate connection cord, either as part of a microphone assembly or as a separate configuration.
In use, as shown in fig. 2, the microphone receiver is connected to the electronic device 80 via the audio patch cord 70 and the microphone transmitter 60 is worn on the user. The user presses a key 61 on the microphone transmitter 60, and the control board generates a photographing signal which is transferred to the microphone receiver by means of wireless communication of the second communication module 62 and the first communication module 10 in a case where the key 61 is pressed twice consecutively. The first communication module 10 receives the photographing signal and generates a first electric signal, so that the voltage of the G end of the MOS tube 20 is adjusted, the D end of the MOS tube 20 and the S end of the MOS tube 20 are conducted, the analog audio interface 30 is grounded, at this time, the electronic device 80 recognizes the photographing signal, and the electronic device 80 is controlled to start the photographing function.
According to the microphone assembly provided by the embodiment of the utility model, the microphone receiver does not need to support the USB interface, so that the requirement on a hardware platform is low, and the production cost is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a microphone receiver, its characterized in that includes casing, control mainboard and analog audio interface, the control mainboard is fixed in the casing, analog audio interface sets up on the casing, wherein, be provided with first communication module and MOS pipe on the control mainboard, first communication module is used for receiving the signal of shooing that the microphone transmitter sent, the G end of MOS pipe with first communication module electricity is connected, one of MOS pipe' S S utmost point and D utmost point links to each other with the ground terminal, another with analog audio interface links to each other.
2. The microphone receiver of claim 1, wherein a first resistor is mounted on an audio line between the MOS transistor and the analog audio interface.
3. The microphone receiver of claim 2 wherein the first resistor has a resistance of 240 ohms.
4. The microphone receiver of claim 1, wherein the first communication module is a bluetooth module or a ZigBee module.
5. The microphone receiver of claim 1, wherein the S pole of the MOS tube is connected to the analog audio interface and the D pole of the MOS tube is connected to the ground.
6. A microphone transmitter, characterized in that the microphone transmitter is adapted to a microphone receiver according to any one of claims 1 to 5, a key is arranged on the microphone transmitter, a control board and a second communication module are arranged in the microphone transmitter, the second communication module and the key are respectively and electrically connected with the control board, the control board is used for generating the photographing signal under the condition that the key is continuously pressed twice, and the second communication module is in wireless communication connection with the first communication module.
7. The microphone transmitter of claim 6 wherein the second communication module is the same wireless communication module as the first communication module.
8. A microphone assembly comprising a microphone transmitter as claimed in claim 6 and a microphone receiver as claimed in any of claims 1 to 5, the microphone transmitter being in wireless communication with the microphone receiver.
9. The microphone assembly of claim 8 further comprising an audio patch cord, one end of the audio patch cord being dockable with the analog audio interface, the other end of the audio patch cord being configured to connect to an audio interface on an electronic device.
10. The microphone assembly of claim 9 wherein the audio patch cord is a TRS-to-TRRS audio cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321876092.0U CN220493135U (en) | 2023-07-17 | 2023-07-17 | Microphone receiver, microphone transmitter and microphone assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321876092.0U CN220493135U (en) | 2023-07-17 | 2023-07-17 | Microphone receiver, microphone transmitter and microphone assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220493135U true CN220493135U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321876092.0U Active CN220493135U (en) | 2023-07-17 | 2023-07-17 | Microphone receiver, microphone transmitter and microphone assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220493135U (en) |
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2023
- 2023-07-17 CN CN202321876092.0U patent/CN220493135U/en active Active
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