High-precision and small-flow double-piston type flow meter
A low-flow, double-piston technology, used in contraction/expansion chambers, volume change compensation/correction devices, etc., can solve the problems of small scale, high cost, and high error requirements, and achieve convenient reading of values, low equipment cost, The effect of improved accuracy
Inactive Publication Date: 2014-10-01
唐山唐仪科技有限公司
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Problems solved by technology
[0002] The flow measuring device can measure the flow of liquid very conveniently. At present, there are many types of flow measuring equipment. There are devices that measure the flow through the rotation of the gear driven by the liquid flow, and there are also devices that measure the flow of the fluid through the change of the propagation speed of the ultrasonic wave. These flow measurement The devices have certain defects, the measurement accuracy is not accurate enough, the equipment structure is complicated, and the cost is high. For some high-priced fluids, the scale is small and the error requirements are high. At present, there is no flow measurement device for small-scale high-precision
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Embodiment 1
[0024] Embodiment one: refer to figure 1 , figure 2 , image 3 and Figure 4 , a high-precision small-flow double-piston flowmeter of the present invention includes a piston housing 2, a push rod 3, a seesaw bracket 4, an electrode bracket 5, an electromagnetic valve body 6 and a control part 7, and the piston housing 2 is internally provided with A partition 21, the bottom of the partition 21 is provided with a liquid guide hole 22, the inside of the piston housing 2 is provided with a left piston 24 and a right piston 25, and the space between the left piston 24 and the right piston 25 is provided with a displacement conduction fluid. 28. The piston housing 2 is provided with a push rod 3, and the piston housing 2 is provided with a seesaw bracket 4. A seesaw 41 is hingedly mounted on the seesaw support 4. The seesaw 41 is in contact with the push rod 3, and the piston housing The two sides of 2 are provided with discharge hole 26 and feed hole 27 respectively, and elect...
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The invention discloses high-precision and small-flow double-piston type flow meter which comprises a piston casing, ejector rods, a warping plate support, electrode supports, electromagnetic valves and a control part, wherein a partition board is arranged in the piston casing; a liquid guiding hole is formed in the lower part of the partition board; a left piston and a right piston are arranged in the piston casing; a displacement conduction liquid is accommodated in space between the left piston and the right piston; the ejector rods and the warping plate support are arranged on the piston casing; a warping plate is hinged and mounted on the warping plate support and contacted with the ejector rods; discharging holes and charging holes are formed in two sides of the piston casing respectively; the electrode supports are arranged on the piston casing; electrodes are arranged on the electrode supports and connected with the control part through conducting wires; the discharging holes and the charging holes are connected with the electromagnetic valves through conveying pipes respectively; and the electromagnetic valves are connected with the control part through conducting wires. The high-precision and small-flow double-piston type flow meter is high in measuring accuracy, small in error and simple to operate, and figure reading is convenient.
Description
technical field [0001] The invention relates to the technical field of pipeline flow measurement, in particular to the technical field of a high-precision small-flow double-piston flowmeter. Background technique [0002] The flow measuring device can measure the flow of liquid very conveniently. At present, there are many types of flow measuring equipment. There are devices that measure the flow through the rotation of the gear driven by the liquid flow, and there are also devices that measure the flow of the fluid through the change of the propagation speed of the ultrasonic waves. These flow measurement The devices have certain defects, the measurement accuracy is not accurate enough, the equipment structure is complex, and the cost is high. For some high-priced fluids, the scale is small and the error requirements are high. At present, there is no special flow measurement device for small-scale high-precision. Contents of the invention [0003] The purpose of the presen...
Claims
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IPC IPC(8): G01F11/04
Inventor 高维锋
Owner 唐山唐仪科技有限公司