CN107302739B - 一种判断麦克风机箱漏电及防护系统 - Google Patents
一种判断麦克风机箱漏电及防护系统 Download PDFInfo
- Publication number
- CN107302739B CN107302739B CN201710583915.3A CN201710583915A CN107302739B CN 107302739 B CN107302739 B CN 107302739B CN 201710583915 A CN201710583915 A CN 201710583915A CN 107302739 B CN107302739 B CN 107302739B
- Authority
- CN
- China
- Prior art keywords
- microphone
- voltage value
- voltage
- case
- processor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/007—Protection circuits for transducers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710583915.3A CN107302739B (zh) | 2017-07-18 | 2017-07-18 | 一种判断麦克风机箱漏电及防护系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710583915.3A CN107302739B (zh) | 2017-07-18 | 2017-07-18 | 一种判断麦克风机箱漏电及防护系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107302739A CN107302739A (zh) | 2017-10-27 |
CN107302739B true CN107302739B (zh) | 2021-06-04 |
Family
ID=60132893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710583915.3A Active CN107302739B (zh) | 2017-07-18 | 2017-07-18 | 一种判断麦克风机箱漏电及防护系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107302739B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2038291U (zh) * | 1988-09-10 | 1989-05-24 | 雷迪成 | 电器漏电保护开关 |
CN104201647A (zh) * | 2014-09-01 | 2014-12-10 | 浙江苏泊尔家电制造有限公司 | 电器外壳漏电保护电路及方法 |
CN104360207A (zh) * | 2014-12-03 | 2015-02-18 | 国家电网公司 | 漏电保护器检测台 |
CN105490246A (zh) * | 2015-12-22 | 2016-04-13 | 张正怡 | 一种交流电极性矫正漏电保护装置及控制方法 |
CN106356683A (zh) * | 2016-10-31 | 2017-01-25 | 维沃移动通信有限公司 | 一种保护装置和移动终端 |
-
2017
- 2017-07-18 CN CN201710583915.3A patent/CN107302739B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2038291U (zh) * | 1988-09-10 | 1989-05-24 | 雷迪成 | 电器漏电保护开关 |
CN104201647A (zh) * | 2014-09-01 | 2014-12-10 | 浙江苏泊尔家电制造有限公司 | 电器外壳漏电保护电路及方法 |
CN104360207A (zh) * | 2014-12-03 | 2015-02-18 | 国家电网公司 | 漏电保护器检测台 |
CN105490246A (zh) * | 2015-12-22 | 2016-04-13 | 张正怡 | 一种交流电极性矫正漏电保护装置及控制方法 |
CN106356683A (zh) * | 2016-10-31 | 2017-01-25 | 维沃移动通信有限公司 | 一种保护装置和移动终端 |
Also Published As
Publication number | Publication date |
---|---|
CN107302739A (zh) | 2017-10-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104167720B (zh) | 自动检测用电装置和电网状态并可延时断电的节电控制器 | |
JP2007533285A (ja) | 充電状態を表示するための方法および装置 | |
CN107143964B (zh) | 用于启动空调的启动电路和空调器 | |
EP2985895A1 (en) | High-voltage direct current soft start circuit | |
CA2662250A1 (en) | System and method for managing power supply to a circuit breaker control unit | |
CN101499591B (zh) | 一种电动杠杆式漏电保护插座 | |
CN107302739B (zh) | 一种判断麦克风机箱漏电及防护系统 | |
CN203056283U (zh) | 一种防电流过载保护的安全插座 | |
CN106786924B (zh) | 一种磁吸式充电器以及充电方法 | |
CN103872643A (zh) | 漏电保护开关的防电墙电路及其应用 | |
KR101464684B1 (ko) | 코일건 방식을 이용한 전기 콘센트 및 그 동작 방법 | |
CN209339748U (zh) | 门禁装置 | |
CN105305606B (zh) | 断电时自供电的监控装置 | |
CN210577928U (zh) | 一种快速启动智能控制应急电源 | |
CN108390212B (zh) | 一种高安全性能的霍尔感应插座 | |
CN107487185B (zh) | 电机控制器内部电源过欠压保护电路、方法及电动汽车 | |
CN210137036U (zh) | 含陀螺仪的智能感应控制插座 | |
CN203760386U (zh) | 一种高安全性开关控制电路 | |
CN107453117B (zh) | 数据线插拔方法、数据线插拔装置及移动终端 | |
WO2014094358A1 (zh) | 直流供电系统终端操作人员保护电路 | |
CN207571695U (zh) | 平板充电底座短路保护电路 | |
CN203761315U (zh) | 变压器软启动电路 | |
CN206471617U (zh) | 一种带插座的漏电保护插头 | |
CN217848946U (zh) | 感性负载软启动器 | |
CN105811364B (zh) | 断路器欠电压/分励一体化脱扣器的控制电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210429 Address after: 518111 8a01-1, workshop B (Building B, Baoneng Zhichuang Valley), Shenye logistics Pinghu center, No. 6, Fukang Road, Hehua community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Zhimo Technology Co.,Ltd. Address before: The 538000 the Guangxi Zhuang Autonomous Region Fangchenggang Port District Jiangshan Avenue and Avenue intersection of c.nitidissima No. 2061 shops located in the central business district of emerald garden Applicant before: FANGCHENGGANG CITY GANGKOU DISTRICT GAOCHUANG INFORMATION TECHNOLOGY Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |