Sewer well lid loss voice alarm device
A voice alarm and sewer technology, used in alarms, water conservancy projects, underwater structures, etc., can solve problems such as accidents, theft, pedestrian and vehicle danger, and achieve the effect of preventing accidents.
Inactive Publication Date: 2013-10-02
徐州时大橡塑模具有限公司
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Problems solved by technology
[0002] Sewer manhole covers are essential supplies for urban and rural construction. Sewer manhole covers can be seen everywhere on the roads of modern cities; sewer manhole covers need to be opened frequently to maintain the lines or pipelines in the sewer; It is easy to be found, but at night, passing pedestrians and vehicles are not easy to be found, and pedestrians and vehicles will cause accidents if they fall into the sewer; cause an accident
[0003] Obstacles are usually displayed by setting up obstacles or triangular flags, which can serve as a good warning for people who see them; but there are still great dangers for pedestrians and vehicles that cannot be seen
Method used
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[0010] The present invention will be further described below in conjunction with accompanying drawing.
[0011] Such as figure 1 As shown, a voice alarm device for the loss of a sewer manhole cover includes a sewer manhole cover body 1 and a sewer joint surface 3, an automatic switch 2 and a voice announcer 4, the automatic switch 2 is provided with a spring, installed in the sewer joint surface 3 and passed through a wire Connect to Voice Announcer4.
[0012] Further, there are two voice announcers 4, which can effectively increase the sound.
[0013] When the sewer manhole cover body 1 is removed or taken away, the automatic switch 2 is opened by the spring, and is automatically connected to the voice announcer 4, and the voice announcer 4 carries out voice reminders to prevent accidents from happening.
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The invention discloses a sewer well lid loss voice alarm device comprising a sewer well lid body (1), a sewer junction surface (3), an automatic switch (2) and a voice broadcasting device (4), wherein the automatic switch (2) is internally provided with a spring, arranged in the sewer junction surface (3) and connected to the voice broadcasting device (4) by virtue of a wire. When a sewer well lid is moved away or taken away, the automatic switch is propped open by the spring and is automatically connected to the voice broadcasting device, and the voice broadcasting device performs voice alarm so as to prevent accidents from happening.
Description
technical field [0001] The invention relates to a voice alarm device for the loss of a sewer manhole cover. Background technique [0002] Sewer manhole covers are essential supplies for urban and rural construction. Sewer manhole covers can be seen everywhere on the roads of modern cities; sewer manhole covers need to be opened frequently to maintain the lines or pipelines in the sewer; It is easy to be found, but at night, passing pedestrians and vehicles are not easy to be found, and pedestrians and vehicles will cause accidents if they fall into the sewer; cause accidents. [0003] Obstacles are usually displayed by setting up obstacles or triangular flags, which can serve as a good warning to people who see them; but there are still great dangers to pedestrians and vehicles that cannot be seen. Contents of the invention [0004] In view of the above-mentioned problems in the prior art, the present invention provides a voice alarm device for the loss of a sewer manhol...
Claims
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IPC IPC(8): E02D29/14G08B21/24
Inventor 时吉峰
Owner 徐州时大橡塑模具有限公司