Centrifugal water pump full water state detection device and detection method
A state detection device and centrifugal technology, applied in the direction of non-variable pumps, pump control, machine/engine, etc., can solve the problems of power drop, pump noise, stop water, etc., and achieve the effect of improving stability
Active Publication Date: 2016-10-05
BAOSHAN IRON & STEEL CO LTD
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[0023] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. First of all, it should be noted that the present invention is not limited to the following specific embodiments. Those skilled in the art should understand the present invention from the spirit embodied in the following embodiments, and each technical term can be optimized based on the spirit of the present invention. broad understanding. The same or similar components in the figures are denoted by the same reference numerals.
[0024] figure 1 It is a schematic diagram of the centrifugal water pump full water state detection device in an embodiment of the present invention when it is in the exhaust state; figure 2 It is a schematic diagram of a centrifugal water pump full water state detection device according to an embodiment of th...
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The invention discloses a full water state detecting device and detecting method of a centrifugal water pump. The detecting device comprises a shell component, a floating cylinder component, a micro switch and a signal lead wire thereof, wherein the signal lead wire is connected with a control system; the shell component comprises an outer cylinder, an outer cylinder upper joint piece, and an outer cylinder lower joint piece; the outer cylinder is connected with a water pump body; the floating cylinder component comprises a floating cylinder, a floating cylinder upper joint piece, a floating cylinder lower joint piece, a floating cylinder upper choke plug, and a floating cylinder lower choke plug; the floating cylinder upper and lower choke plugs are connected with the floating cylinder upper and lower joint pieces respectively to form to an air way and to seal the floating cylinder upper and lower joint pieces; the mounting height of the micro switch is set as follows: when the water pump is not full of water, the floating cylinder component drops to the lower part of the outer cylinder to open the air way to discharge air, and the micro switch is turned off to output a 0 signal through the signal lead wire; and when the water pump is full of water, the floating cylinder upper choke plug touches the micro switch to close the micro switch and to output a 1 signal through the signal lead wire. The detecting device can enable the water pump to automatically discharge the air, and monitors the full water state of the water pump.
Description
technical field [0001] The invention relates to a detection device of a centrifugal water pump and a use method thereof, in particular to a detection device of a centrifugal water pump full water state and a use method thereof. Background technique [0002] Centrifugal water pumps are an important part of water treatment equipment in hot rolling mills. The main function of centrifugal water pumps is to transport cooling water. Before starting the centrifugal pump, ensure that the water pump and pipeline are full of water, and then drive the motor to make the impeller and water rotate at a high speed. At this time, the water is thrown out of the impeller by the centrifugal force and flows into the pump through the flow channel in the volute. The pressure water pipeline of the water pump is input into the pipe network through the pressure water pipeline. At the same time, a vacuum is formed at the center of the impeller of the water pump due to the water being thrown out, and...
Claims
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IPC IPC(8): F04D15/00
CPCF04D15/0077F04D15/0088
Inventor 胡毅峰
Owner BAOSHAN IRON & STEEL CO LTD