CN110300361A - A kind of MEMS microphone with Wireless charging coil - Google Patents
A kind of MEMS microphone with Wireless charging coil Download PDFInfo
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- CN110300361A CN110300361A CN201910538723.XA CN201910538723A CN110300361A CN 110300361 A CN110300361 A CN 110300361A CN 201910538723 A CN201910538723 A CN 201910538723A CN 110300361 A CN110300361 A CN 110300361A
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- 239000000758 substrate Substances 0.000 claims abstract description 31
- 238000005538 encapsulation Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/005—Electrostatic transducers using semiconductor materials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明涉及一种音频设备技术领域，具体涉及一种带无线充电线圈的MEMS麦克风，包括：一电路基板、以及一封装外壳组成。所述封装外壳装置在所述电路基板上，与所述电路基板构成一封装主体，所述封装主体内设有一声学感测器，用以接收外部传入的语音信息，所述电路基板上设有无线充电线圈，实现MEMS麦克风的无线充电功能，使麦克风的功能性更加多样化，同时充电时麦克风不用工作，麦克风工作时不用充电，没有电磁干扰，应用于各种穿戴设备，延长设备内的电池寿命。
The invention relates to the technical field of audio equipment, in particular to a MEMS microphone with a wireless charging coil, comprising: a circuit substrate and a packaging shell. The packaging shell is installed on the circuit substrate, and forms a package body with the circuit substrate. An acoustic sensor is arranged in the package body to receive voice information from the outside. The circuit substrate is provided with a There is a wireless charging coil to realize the wireless charging function of the MEMS microphone, which makes the functionality of the microphone more diversified. At the same time, the microphone does not need to work when charging, and the microphone does not need to be charged when it is working. There is no electromagnetic interference. It is applied to various wearable devices and extends the life of the device Battery Life.
Description
技术领域technical field
本发明涉及一种音频设备技术领域，尤其涉及一种带无线充电线圈的MEMS麦克风。The invention relates to the technical field of audio equipment, in particular to a MEMS microphone with a wireless charging coil.
背景技术Background technique
麦克风又称为传声器，是电声系统的一个组成部分，是一种将声音信号转换成电信号的传感器件，随着电子工业的发展和数字技术的应用，对传声器提出了更高的性能要求，除了在材料、工艺等方面进行大量研究工作外，现在正向学科交叉、技术渗透的方向发展。现有的助听器一种采用空心电池，这种电池属于消耗品，价格昂贵；一种是可充电的锂电池，充电线圈很大，占用空间，从而使助听器上的麦克风在功能性上不够方便和完善。The microphone, also known as the microphone, is an integral part of the electroacoustic system. It is a sensor device that converts sound signals into electrical signals. With the development of the electronics industry and the application of digital technology, higher performance requirements are placed on the microphone. , in addition to a lot of research work in materials, technology and other aspects, it is now developing in the direction of interdisciplinary and technology penetration. One of the existing hearing aids uses a hollow battery, which is a consumable and expensive; the other is a rechargeable lithium battery, which has a large charging coil and takes up space, so that the microphone on the hearing aid is not functional enough. Complete.
发明内容Contents of the invention
为了解决以上技术问题，本发明提供了一种带无线充电线圈的MEMS麦克风。In order to solve the above technical problems, the present invention provides a MEMS microphone with a wireless charging coil.
本发明所解决的技术问题可以采用以下技术方案来实现：The technical problem solved by the present invention can adopt following technical scheme to realize:
一种带无线充电线圈的MEMS麦克风，其特征在于，包括一封装主体，所述封装主体包括一电路基板，所述电路基板上设有无线充电线圈、声学感测器和一集成电路芯片；A MEMS microphone with a wireless charging coil is characterized in that it includes a package body, the package body includes a circuit substrate, and the circuit substrate is provided with a wireless charging coil, an acoustic sensor and an integrated circuit chip;
一封装外壳，盖设于所述电路基板上，与所述电路基板构成所述封装主体；A packaging shell, covering the circuit substrate, and forming the package body with the circuit substrate;
一蓄电池，与所述电路基板连接，用于提供电源和存储电源。A storage battery, connected to the circuit substrate, is used to provide power and store power.
优选的，所述无线充电线圈通过与所述蓄电池连接，为所述声学感测器和所述集成电路芯片提供电能。Preferably, the wireless charging coil provides electrical energy for the acoustic sensor and the integrated circuit chip by being connected to the storage battery.
优选的，所述电路基板为多层电路基板，用于埋设所述无线充电线圈，所述无线充电线圈通过与所述蓄电池连接，为所述多层电路基板提供电能。Preferably, the circuit substrate is a multilayer circuit substrate, which is used to embed the wireless charging coil, and the wireless charging coil provides electric energy for the multilayer circuit substrate by being connected to the storage battery.
优选的，所述封装外壳上端面设有声学通孔，用于声音的传入。Preferably, the upper end surface of the packaging shell is provided with an acoustic through hole for the introduction of sound.
优选的，所述声学感测器用于接收到语音信息。Preferably, the acoustic sensor is used to receive voice information.
优选的，所述声学感测器和所述集成电路芯片信号连接。Preferably, the acoustic sensor is signal-connected to the integrated circuit chip.
优选的，所述蓄电池装置于所述封装主体内部或封装主体外部。Preferably, the storage battery device is inside or outside the packaging body.
优选的，所述封装主体包括一第二电路基板，设置于所述封装主体内部上端面，所述声学感测器和所述集成电路芯片信号装置于所述第二电路基板上。Preferably, the package body includes a second circuit substrate disposed on the inner upper surface of the package body, and the acoustic sensor and the integrated circuit chip signal device are on the second circuit substrate.
优选的，所述蓄电池为可充电蓄电池。Preferably, the battery is a rechargeable battery.
其有益效果在于：Its beneficial effects are:
本发明能够实现MEMS麦克风的无线充电功能，使麦克风的功能性更加多样化，同时充电时麦克风不用工作，麦克风工作时不用充电，没有电磁干扰应用于各种穿戴设备，延长设备内的电池寿命。The invention can realize the wireless charging function of the MEMS microphone, so that the functionality of the microphone is more diversified. At the same time, the microphone does not need to work when charging, and the microphone does not need to be charged when it is working. There is no electromagnetic interference applied to various wearable devices, and the battery life in the device is extended.
附图说明Description of drawings
图1为本发明提供一种带无线充电线圈的MEMS麦克风结构图。FIG. 1 is a structural diagram of a MEMS microphone with a wireless charging coil provided by the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
下面结合附图和具体实施例对本发明作进一步说明，但不作为本发明的限定。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
参照图1为本发明提供一种带无线充电线圈的MEMS麦克风结构图，Referring to Fig. 1, the present invention provides a structural diagram of a MEMS microphone with a wireless charging coil,
包括一封装主体3，封装主体包括一电路基板1，电路基板上1设有无线充电线圈声学感测器6和一集成电路芯片7；It includes a package body 3, the package body includes a circuit substrate 1, and the circuit substrate 1 is provided with a wireless charging coil acoustic sensor 6 and an integrated circuit chip 7;
一封装外壳2，盖设于电路基板1上，与电路基板1构成所述封装主体3；A package shell 2, which is covered on the circuit substrate 1, and constitutes the package body 3 with the circuit substrate 1;
一蓄电池5，与电路基板1连接，用于提供电源和存储电源。A storage battery 5 is connected with the circuit board 1 for providing power and storing power.
进一步的，无线充电线圈通过与蓄电池5连接，为所述声学感测器6和所述集成电路芯片7提供电能。Further, the wireless charging coil provides electrical energy for the acoustic sensor 6 and the integrated circuit chip 7 by connecting with the storage battery 5 .
进一步的，电路基板1为多层电路基板，多层基板间设有一预设距离，用于埋设无线充电线圈，通过与蓄电池5连接，为多层电路基板提供电能，实现无线充电。Furthermore, the circuit substrate 1 is a multi-layer circuit substrate, and a preset distance is set between the multi-layer substrates for embedding a wireless charging coil, which is connected with the battery 5 to provide electric energy for the multi-layer circuit substrate to realize wireless charging.
进一步的，封装外壳2上端面设有声学通孔4，用于声音的传入。Further, an acoustic through-hole 4 is provided on the upper surface of the packaging shell 2 for the introduction of sound.
进一步的，声学感测器6用于接收到语音信息并输出。Further, the acoustic sensor 6 is used to receive and output voice information.
进一步的，声学感测器6和集成电路芯片7信号连接，实现信息通讯。Further, the acoustic sensor 6 is connected with the integrated circuit chip 7 to realize information communication.
进一步的，蓄电池5装置于封装主体3内部或封装主体3外部。Further, the storage battery 5 is installed inside or outside the package body 3 .
进一步的，封装主体3包括一第二电路基板，设置于封装主体3内部上端面，声学感测器6和集成电路芯片信号7装置于第二电路基板上。Further, the package body 3 includes a second circuit substrate, which is arranged on the inner upper surface of the package body 3, and the acoustic sensor 6 and the integrated circuit chip signal 7 are arranged on the second circuit substrate.
进一步的，蓄电池5为可充电蓄电池。Further, the battery 5 is a rechargeable battery.
在较佳的实施例中，充电时麦克风不用工作，麦克风工作时不用充电，没有电磁干扰，应用于各种穿戴设备，延长设备内的电池寿命。In a preferred embodiment, the microphone does not work when charging, and the microphone does not need to be charged when it is working, and there is no electromagnetic interference. It is applied to various wearable devices and prolongs the battery life of the device.
以上所述仅为本发明较佳的实施例，并非因此限制本发明的实施方式及保护范围，对于本领域技术人员而言，应当能够意识到凡运用本发明说明书及图示内容所作出的等同替换和显而易见的变化所得到的方案，均应当包含在本发明的保护范围内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention. For those skilled in the art, they should be able to realize that all equivalents made by using the description and illustrations of the present invention The solutions obtained by replacement and obvious changes shall all be included in the protection scope of the present invention.
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