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Valve with intelligent positioning and anti-blocking functions

An intelligent positioning and anti-blocking technology, applied in valve device, valve details, valve operation/release device, etc., can solve the problems of piezoelectric valve air inlet or exhaust port blockage, abnormal work, moisture and other problems, to avoid The effect of blockage or reduction of air path, simple cleaning

Active Publication Date: 2021-03-12
江苏博特威流体科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increase of smoke and dust generated by heating and combustion in the industrial process, the increase of automobile exhaust emissions and other reasons, the content of particulate matter in the air continues to rise, resulting in the current pneumatic intelligent valve positioner after a period of use. Piezoelectric The air inlet or exhaust port of the valve is blocked and the work is abnormal, and the operating environment of the valve positioner and the valve is generally relatively humid, which is easy to cause damage to the internal components of the intelligent valve positioner

Method used

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  • Valve with intelligent positioning and anti-blocking functions
  • Valve with intelligent positioning and anti-blocking functions
  • Valve with intelligent positioning and anti-blocking functions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see Figure 1-8 , a valve with intelligent positioning and anti-clogging according to an embodiment of the present invention, including a positioner and a valve actuator, the positioner includes an air source purification unit 1, and the air source purification unit 1 is provided with an input air source The gas source purification unit 1 is connected to an anti-clogging electrical conversion unit 3 for controlling the valve actuator, and the anti-clogging electrical conversion unit 3 is connected to a circuit control unit 4 through a control signal. The circuit control unit 4 is connected to the position feedback unit 5, the impurity cleaning unit 6 is connected to the air source purification unit 1, the air source purification unit 1 includes a purification shell 7, and the material of the air inlet 2 is plastic air intake shell, the purification housing 7 is detachably connected to the air inlet 2, and the inner wall of the air inlet 2 near the opening is provided wi...

Embodiment 2

[0036] see Figure 4 , for the purification housing 7 , one end of the purification housing 7 is provided with an internal thread groove 45 , and the air inlet 2 is helically inserted into the internal thread groove 45 .

[0037] Through the above scheme of the present invention, the beneficial effect is that the air inlet 2 is helically inserted in the internal thread groove 45, so that the air inlet 2 and the purification shell 7 are helically connected, which is convenient for installation and easy to disassemble.

Embodiment 3

[0039] see Figure 6 , for the air pressure input passage 28, the joints of the air pressure input passage 28, the air pressure output passage 29, the exhaust passage 30 and the working channel 27 are all connected by arc surfaces.

[0040] Through the above scheme of the present invention, the beneficial effect is that the joints of the air pressure input passage 28, the air pressure output passage 29, the exhaust passage 30 and the working channel 27 are all connected by arc surfaces to avoid impurities inside the air passage. The corners are deposited, and the air pressure input channel 28 is equipped with a filter dustproof net 34, which can block the dust and effectively prevent the dust from entering.

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PUM

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Abstract

The invention discloses a valve with intelligent positioning and anti-blocking functions. The valve comprises a positioner and a valve actuator, wherein the positioner comprises an air source purification unit, an air inlet for inputting an air source is formed in the air source purification unit, the air source purification unit is connected with an anti-blocking electrical conversion unit used for controlling the valve actuator, the anti-blocking electrical conversion unit is connected with a circuit control unit through a control signal, and the circuit control unit is connected with a position feedback unit. The valve has the advantages that a drying indicator is wrapped inside water-absorbing cotton cloth so that moisture in airflow can be absorbed, then the inside of a purification shell is kept dry, and the valve positioner is prevented from being damaged; and during cleaning, a heating mechanism is arranged, so that hot air enters the purification shell, the water-absorbing cotton, the drying indicator and the water-absorbing cotton cloth are heated and dried, then the water-absorbing cotton, the drying indicator and the water-absorbing cotton cloth are in a dry working state, and the long-term moisture absorption and use of parts such as the water-absorbing cotton are guaranteed.

Description

technical field [0001] The invention relates to the field of valve positioning, in particular to a valve with intelligent positioning and anti-clogging. Background technique [0002] The valve positioner is the main accessory of the control valve. It uses the valve stem displacement signal as the input feedback measurement signal and the controller output signal as the setting signal for comparison. When there is a deviation between the two, it changes its output to the actuator. The signal makes the actuator act, and establishes a one-to-one correspondence between the displacement of the valve stem and the output signal of the controller. Therefore, the valve positioner forms a feedback control system with the valve stem displacement as the measurement signal and the controller output as the setting signal. The manipulated variable of the control system is the output signal of the valve positioner to the actuator. Valve positioners that work with pneumatic actuators curre...

Claims

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Application Information

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IPC IPC(8): F16K31/02F16K31/12F15B21/048B03C3/41B03C3/45B03C3/017B01D53/26B01D46/00B01D46/12B01D50/00
CPCF16K31/02F16K31/004F16K31/12F15B21/048B03C3/41B03C3/45B03C3/017B01D50/00B01D46/12B01D53/26B01D53/261B01D46/0036B01D46/62Y02B30/70
Inventor 胡斌刘荣霞邱琳熙吴连峰张啸周游
Owner 江苏博特威流体科技有限公司
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