Pressure type water level gauge time drift detection device
A technology of time drift and detection devices, which is applied in the direction of measuring devices, testing/calibration devices, liquid level indicators displayed through pressure measurement, etc. It can solve the problem of unstable position, bulky detection devices, and low measurement accuracy of pressure water level gauge and other problems, to achieve the effect of large detection range and high detection accuracy
Pending Publication Date: 2021-03-16
杨开村
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[0003] Before the pressure water level gauge is put into use, it is necessary to detect the time drift and detect the measurement error of the pressure water level gauge within a certain period of time. The existing pressure water level gauge time drift detection device is generally bulky and the clamping pressure The pressure water level gauge is easy to float in the water, and its position is unstable, resulting in low measurement accuracy of the pressure water level gauge, and the pressure water level gauge can only be placed at a fixed depth, and the detection range is limited
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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0029] like Figure 1-6 As shown, a pressure type water level meter time drift detection device proposed by the present invention includes a clamping mechanism, a moving frame 10, a detection water tank 11, an installation cover 18, a water storage tank 23, a water pump 24, an outlet pipe 25, and a tee pipe 26 and water inlet pipe 27;
[0030] There are two clamping mechanisms, moving frame 10 and detection water tank 1...
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The invention discloses a pressure type water level gauge time drift detection device, which comprises clamping mechanisms, movable frames, detection water tanks, an installation cover, a water storage tank, a water pump, a water outlet pipe, a three-way pipe and a water inlet pipe, wherein the number of the clamping mechanisms, the number of the movable frames and the number of the detection water tanks are two; ,the clamping mechanism comprises two clamping plates, two rotating rods, two connecting rods, a moving table, a connecting table, a screw and a rotary knob, the two clamping plates,the two rotating rods and the two connecting rods are symmetrically arranged, one end of each rotating rod is connected with the corresponding clamping plate, the other end of each rotating rod is rotationally connected with the connecting table, the two ends of each connecting rod are rotationally connected with the corresponding rotating rod and the moving table respectively, the bottom end of the screw is rotationally connected with the moving table the top end of the screw is connected with the rotary knob and is in threaded connection with the connecting table; and a driving device used for driving the movable frames to move in the vertical direction is arranged in the installation cover. The pressure type water level gauge can be firmly clamped and adjusted to different depths, the detection range is larger, the detection accuracy is higher, and the measurement error of the pressure type water level gauge can be detected more easily.
Description
technical field [0001] The invention relates to the technical field of water level monitoring, in particular to a time drift detection device for a pressure water level gauge. Background technique [0002] The pressure water level gauge is based on the hydrostatic pressure principle that the pressure is proportional to the water depth, and uses a pressure sensitive element as a water level gauge. The pressure water level gauge is made of advanced isolated diffused silicon sensitive elements. It can be directly put into the container or water body to accurately measure the height from the end of the water level gauge to the water surface, and output the water level value through 4-20mA current or RS485 signal. , Widely used in water level monitoring fields such as urban water supply and drainage, sewage treatment, groundwater, reservoirs, rivers and oceans. [0003] Before the pressure water level gauge is put into use, it is necessary to detect the time drift and detect the...
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IPC IPC(8): G01F25/00G01F23/14
CPCG01F23/14G01F25/20Y02A20/00
Inventor 杨开村
Owner 杨开村