Title:
DOORBELL WHICH CAN BE CONTROLLABLY REMOVED
Document Type and Number:
WIPO Patent Application WO/2021/042441
Kind Code:
A1
Abstract:
Disclosed is a doorbell which can be controllably removed, comprising a housing (1) and an installation plate (2). The housing (1) is installed on the installation plate (2) in a sliding manner; a controller (5) and a data transmission module (3) are further arranged inside the housing (1); the controller (5) and the data transmission module (3) are electrically connected; a limiting switch (4) is further arranged inside the housing (1); a first opening (10) is provided at the position of the housing (1) that corresponds to the limiting switch (4); the limiting switch (4) is actively connected to the first opening (10); a limiting hole (20) is formed at the position of the installation plate (2) that corresponds to the first opening (10); the limiting hole (20) is adapted to the limiting switch (4); and the limiting switch (4) is connected to a mobile terminal by means of the data transmission module (3). The installation and removal of the doorbell are limited by controlling the displacement of a limiting clamping block (40) of the limiting switch (4) by means of the mobile terminal, thereby guaranteeing the security of the doorbell.
Inventors:
CHAI CHUNHAI (CN)
Application Number:
PCT/CN2019/110249
Publication Date:
March 11, 2021
Filing Date:
October 10, 2019
Export Citation:
Assignee:
CHAI CHUNHAI (CN)
International Classes:
G08B3/10
Foreign References:
| CN205266056U | 2016-05-25 | |||
| CN208805905U | 2019-04-30 | |||
| CN207233128U | 2018-04-13 | |||
| CN204377051U | 2015-06-03 | |||
| CN208522878U | 2019-02-19 | |||
| US6600117B1 | 2003-07-29 |
Attorney, Agent or Firm:
SHENZHEN SHUN LI INTELLECTUAL PROPERTY FIRM (CN)
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