An inflatable water weir
A water measuring weir and inflatable technology, applied in the field of flow measurement devices, can solve problems such as hindering water delivery in channels and affecting flow.
Active Publication Date: 2020-11-17
HOHAI UNIV
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Problems solved by technology
[0003] Similarly, for the traditional water measuring weir, whether it is a triangular water measuring weir or a rectangular water measuring weir, the data collection is basically realized manually; at the same time, the traditional water measuring weir will hinder the water delivery of the channel to a certain extent and affect the flow. This is also its shortcoming
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[0018] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0019] figure 1 Shown is an inflatable weir. It consists of monitoring and control equipment 1, pillars 2, channel side walls 3, channel bottom 4, rubber dam 5, infrared distance measuring device 6 and inflatable core 7. The monitoring and control equipment 1 includes sensing equipment and a control system, and the sensing equipment includes a single-chip microcomputer, a sensing element and a signal transmitting device, wherein, the single-chip microcomputer functions to store information and execute pre-programmed instructions; the sensing element function is to feel the measured Water level and flow rate information, and the information is output in the form of electrical signals; the function of the signal transmitter is to send the information obtained by the sensing element to the remote control center, so that the staff can obtain real-t...
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The invention discloses an inflatable flow measurement weir. The inflatable flow measurement weir comprises a channel bottom and channel side walls which are arranged on the two sides of the channel bottom; rubber dams which are protruded towards the channel side walls on the opposite sides are arranged on the channel side walls; an inflating core is arranged in each rubber dam; monitoring controlequipment is mounted on the channel bottom; a supporting post used for supporting is arranged at the lower part of each piece of the monitoring control equipment. Compared with the prior art, the inflatable flow measurement weir disclosed by the invention can realize automatic measurement and data record and transmission; the slump characteristic of a wing type rubber dam after the wing type rubber dam is deflated is also utilized successfully; deflating treatment is performed when flow measurement is not performed; the flow capacity of the channel is not affected; the original water deliverystate of a channel is maintained; inflating cores are distributed symmetrically, so that air is filled uniformly, and air flow is stable; in addition, the rubber dam adopts a wing type design, so that the resistance when the water flow passes through a measurement section is minimal, and the accuracy of the measurement data is ensured to the maximum extent.
Description
technical field [0001] The invention relates to a flow measuring device, in particular to an inflatable rubber dam type water measuring weir device. Background technique [0002] With the development and progress of science and technology, more and more human measurement work is gradually replaced by developing intelligent tools. As a hydraulic structure composed of polymer materials, the inflatable rubber dam is mainly suitable for low water head and long-span dam projects. Compared with the water-filled rubber dam, it has faster adjustment speed and is less susceptible to cold weather. advantage. [0003] Similarly, for the traditional water measuring weir, whether it is a triangular water measuring weir or a rectangular water measuring weir, the data collection is basically realized manually; at the same time, the traditional water measuring weir will hinder the water delivery of the channel to a certain extent and affect the flow. This is also its shortcoming. [0004...
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IPC IPC(8): E02B7/00E02B5/00E02B5/08G01F13/00G01F23/292G01P5/00
Inventor 李冬王翼虎李瑶王振昌于晓飞
Owner HOHAI UNIV