CN114383836B - Diluting water flow box valve fault analysis system - Google Patents
Diluting water flow box valve fault analysis system Download PDFInfo
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- CN114383836B CN114383836B CN202111501593.6A CN202111501593A CN114383836B CN 114383836 B CN114383836 B CN 114383836B CN 202111501593 A CN202111501593 A CN 202111501593A CN 114383836 B CN114383836 B CN 114383836B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 238000004458 analytical method Methods 0.000 title claims abstract description 12
- 238000007865 diluting Methods 0.000 title abstract description 5
- 239000012895 dilution Substances 0.000 claims abstract description 53
- 238000010790 dilution Methods 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000007405 data analysis Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 38
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004537 pulping Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a diluting water flow box valve fault analysis system, which comprises a diluting water valve applied to a water flow box, and comprises the following components: the data acquisition unit is used for acquiring the running state data of the dilution water valve in real time; the data transmission unit is used for receiving the running state data and transmitting the running state data to the data analysis unit; and the data analysis unit is used for receiving the running state data and analyzing and processing the running state data. The invention can collect the running state data of the dilution water valve in time and perform effective fault analysis so as to facilitate the workers to maintain in time and improve the pulping efficiency.
Description
Technical Field
The invention mainly relates to the technical field of pulping and papermaking, in particular to a valve failure analysis system of a dilution water flow box.
Background
The dilution water valve plays a role in adjusting the flow of the dilution white water into the pulp box tube bundle, so that the quality of the adjustment of the dilution water valve directly influences the banner quantification of the whole paper.
According to a dilution water system of a head box provided by patent document with the application number of CN201320742081.3, the dilution water system comprises a white water tank, a white water pump, a filter screen, the head box and an automatic detection device, wherein a water outlet of the white water tank is communicated with an input end of the white water pump, an output end of the white water pump is communicated with a water inlet of the filter screen, and a water outlet of the filter screen is communicated with a slurry inlet of the head box; a plurality of nozzles are arranged in the box body of the head box, each nozzle is provided with a water spray valve, and the water spray valves are electrically connected with the automatic detection device. The dilution water system uses white water which is taken off from the mesh part of the paper machine as a water source, enters a headbox after pressure regulation treatment by a filter screen, a plurality of nozzles are arranged in the headbox, each nozzle is provided with a controllable spray valve, the opening of the spray valve is automatically regulated according to the quantitative water content of the point detected by an automatic detection device, so that the paper banner and the longitudinal water content are consistent, and further the uniformity of paper can be regulated to be better.
The opening degree of the water spraying valve at the point is automatically adjusted according to the quantitative water content of the point detected by the automatic detection device, so that the paper banner and the longitudinal water content are consistent, but the traditional dilution water system is difficult to effectively monitor and diagnose the operation of the dilution water valve, so that the maintenance of the dilution water valve is not timely enough, and the pulping efficiency is affected.
Disclosure of Invention
The invention mainly provides a diluting water flow box valve fault analysis system which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
a dilution water headbox valve failure analysis system including a dilution water valve applied to a water headbox comprising:
the data acquisition unit is used for acquiring the running state data of the dilution water valve in real time;
the data transmission unit is used for receiving the running state data and transmitting the running state data to the data analysis unit;
and the data analysis unit is used for receiving the running state data and analyzing and processing the running state data.
Further, the dilution water valve comprises a water outlet pipe connected with the water inlet end of the water flow box, a valve body connected with the water inlet end of the water outlet pipe, and a water inlet pipe connected with the water inlet end of the valve body, and an electric actuator is connected to the upper surface of the valve body.
Further, the dilution water valve comprises a water outlet pipe connected with the water inlet end of the water flow box, a valve body connected with the water inlet end of the water outlet pipe, and a water inlet pipe connected with the water inlet end of the valve body, and an electric actuator is connected to the upper surface of the valve body.
Further, the electric actuator is including installing in the support frame of valve body upper surface, install in the motor of support frame upper surface, and with the output shaft of motor extends to the inside one end of support frame and is connected's of support frame lead screw, the output shaft one end surface that the motor was kept away from to the lead screw is equipped with the valve rod through the screw cover, the top surface cover of valve rod is equipped with the lifting disk, the bottom runs through the support frame and extends to the inside of valve body, and the valve rod passes through the screw and changes the gyration motion of lead screw into self rectilinear motion to drive the valve rod and go up and down.
Further, the data acquisition unit comprises an angular velocity sensor sleeved on the outer surface of the output shaft of the motor, and a linear displacement sensor embedded in one end of the lifting disc shell, so that the angular velocity information of the output shaft of the motor and the linear displacement information of the lifting disc are acquired in real time, and the angular velocity information of the output shaft of the motor is monitored through the angular velocity sensor.
Further, the data acquisition unit further comprises a temperature sensor arranged on the outer surface of the motor and used for acquiring temperature information of the motor in real time, and the temperature information of the motor is monitored in real time through the temperature sensor.
Further, the electric actuator further comprises a buffer air bag sleeved on the outer surface of the valve rod, the buffer air bag is arranged at the top end of the lifting disc, and the valve rod is buffered through inflation of the buffer air bag connected with the air pump, so that damage to the valve rod caused by flowing of fluid in the valve body is reduced.
Further, the data acquisition unit further comprises a pressure sensor embedded in one end, far away from the linear displacement sensor, of the lifting disc shell so as to acquire pressure information generated by the lifting disc extruding the buffer air bag, and the pressure sensor is used for monitoring the pressure information generated by the lifting disc extruding the buffer air bag.
Further, the dilution water valve further comprises a first connecting disc sleeved on the outer surface of the water outlet pipe, a second connecting disc sleeved on the outer surface of the water inlet pipe, and an inflatable sealing disc arranged between the first connecting disc and the second connecting discs, wherein a plurality of air outlets are arranged on the inner surface of the inflatable sealing disc, and when leakage is generated between the water outlet pipe and the water inlet end of the dilution water valve and between the water inlet pipe and the water outlet end of the dilution water valve, an air curtain formed by high-pressure air seals the gap.
Further, the data acquisition unit further comprises a first air pressure sensor penetrating through the first connecting disc and a second air pressure sensor penetrating through the second connecting disc, and air pressure information of high-pressure air filled in a gap between the water outlet pipe and the water inlet end of the dilution water valve is monitored through the first air pressure sensor.
Further, the dilution water valve further comprises a first air pipe connected with the air outlet end of the buffer air bag and the air inlet end of the inflatable sealing disc between the two first connecting discs, a second air pipe connected with the air outlet end of the inflatable sealing disc between the two first connecting discs and the air inlet end of the inflatable sealing disc between the two second connecting discs, and a third air pipe connected with the air outlet end of the inflatable sealing disc between the two second connecting discs and the air inlet end of the buffer air bag, and redundant high-pressure air in the buffer air bag is input into the inflatable sealing disc between the two first connecting discs through the first air pipe to supply air for the inflatable sealing disc.
Compared with the prior art, the invention has the beneficial effects that:
the invention can collect the running state data of the dilution water valve in time and perform effective fault analysis so as to facilitate the workers to maintain in time and improve the pulping efficiency, and specifically comprises the following steps: the data acquisition unit is used for acquiring the running state data of the dilution water valve in real time, the data transmission unit is used for receiving the running state data, the running state data are transmitted to the data analysis unit, the data analysis unit is used for receiving the running state data, and the running state data are analyzed and processed.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic diagram of the structure of the electric actuator and the data acquisition unit of the present invention;
FIG. 5 is an exploded view of the present invention;
FIG. 6 is a top view of the present invention;
FIG. 7 is a front view of the present invention;
fig. 8 is a flow chart of the present invention.
In the figure: 10. a dilution water valve; 11. a water outlet pipe; 12. a valve body; 13. an electric actuator; 131. a support frame; 132. a motor; 133. a screw rod; 134. a valve stem; 135. a lifting disc; 136. a buffer air bag; 1361. a third gas pipe; 14. a first connection plate; 15. a second connection pad; 16. an inflatable sealing disk; 17. a water inlet pipe; 18. a first gas pipe; 19. a second gas pipe; 20. a data acquisition unit; 21. an angular velocity sensor; 22. a linear displacement sensor; 23. a temperature sensor; 24. a pressure sensor; 25. a first air pressure sensor; 26. a second air pressure sensor; 30. a data transmission unit; 40. and a data analysis unit.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-8, a data acquisition unit 20 is configured to acquire operation status data of the dilution water valve 10 in real time;
a data transmission unit 30 for receiving the operation state data and transmitting the operation state data to a data analysis unit 40;
and a data analysis unit 40, configured to receive the operation state data, and perform analysis processing on the operation state data.
Specifically, referring to fig. 1, 3 and 4, the dilution water valve 10 includes a water outlet pipe 11 connected to a water inlet end of a water flow box, a valve body 12 connected to the water inlet end of the water outlet pipe 11, and a water inlet pipe 17 connected to the water inlet end of the valve body 12, an electric actuator 13 is connected to an upper surface of the valve body 12, the electric actuator 13 includes a support frame 131 mounted on the upper surface of the valve body 12, a motor 132 mounted on the upper surface of the support frame 131, and a screw rod 133 connected to one end of an output shaft of the motor 132 extending into the support frame 131, a valve rod 134 is sleeved on an outer surface of an output shaft end of the screw rod 133 far from the motor 132 through a screw, and a lifting disc 135 is sleeved on an outer surface of a top end of the valve rod 134, and the bottom end of the valve rod extends through the support frame 131 into the valve body 12;
in the present embodiment, when the output shaft of the motor 132 drives the screw rod 133 connected thereto to rotate, the valve rod 134 converts the rotational motion of the screw rod 133 into the self linear motion by the screw nut, so as to drive the valve rod 134 to lift.
Specifically, referring to fig. 2 and 3, the data acquisition unit 20 includes an angular velocity sensor 21 sleeved on an outer surface of an output shaft of the motor 132, and a linear displacement sensor 22 embedded in one end of a housing of the lifting disc 135, so as to acquire angular velocity information of the output shaft of the motor 132 in real time, and acquire linear displacement information of the lifting disc 135, the data acquisition unit 20 further includes a temperature sensor 23 mounted on the outer surface of the motor 132, so as to acquire temperature information of the motor 132 in real time, and the electric actuator 13 further includes a buffer air bag 136 sleeved on the outer surface of the valve rod 134, where the buffer air bag 136 is disposed at the top end of the lifting disc 135;
in the present embodiment, the angular velocity information of the output shaft of the motor 132 is monitored by the angular velocity sensor 21 with the model number of L3GD20TR, the linear displacement information of the lifting disc 135 lifting up and down is monitored in real time by the linear displacement sensor 22 with the model number of ZW-7000T, and the data transmission unit 30 of the WIFI module with the model number of F23BUUM13-W2 transmits the angular velocity information and the linear displacement information to the PLC controller with the model number of FX3GA, so that the PLC controller determines whether the numerical values recorded by the angular velocity information and the linear displacement information conform to the set values;
further, the temperature information of the motor 132 is monitored in real time through the temperature sensor 23 with the model number of SHT20, so that the electric signal with the temperature information is transmitted to the PLC controller with the model number of FX3GA through the data transmission unit 30 of the WIFI module with the model number of F23BUUM13-W2, and whether the numerical value recorded by the temperature information accords with the set value is judged through the PLC controller;
further, the valve stem 134 is cushioned by inflation of a cushion bladder 136 connected to the air pump, reducing damage to the valve stem 134 caused by fluid flow within the valve body 12.
Specifically, please refer to fig. 2, 3 and 4, the data collection unit 20 further includes a pressure sensor 24 embedded in an end of the housing of the lifting disc 135 far away from the linear displacement sensor 22, so as to collect pressure information generated by the lifting disc 135 extruding the buffer air bag 136, the dilution water valve 10 further includes a first connection disc 14 sleeved on an outer surface of the water outlet pipe 11, and a second connection disc 15 sleeved on an outer surface of the water inlet pipe 17, an inflatable sealing disc 16 is arranged between the two first connection discs 14 and the two second connection discs 15, a plurality of air outlets 161 are installed on an inner surface of the inflatable sealing disc 16, the data collection unit 20 further includes a first air pressure sensor 25 penetrating through the first connection disc 14, a second air pressure sensor 26 penetrating through the second connection disc 15, the dilution water valve 10 further includes a first pipe 18 connected between an air outlet end of the buffer air bag 136 and an air inlet end of the inflatable sealing disc 16, a second connection disc 1 connected between the two air outlet ends of the two first connection discs 14 and the inflatable sealing discs 16, and a second air inlet pipe 136 connected between the two air outlet ends of the two second connection discs 16 and the inflatable sealing discs 16;
in this embodiment, the pressure sensor 24 with the model LWPH9XXXGV monitors the pressure information generated by the lifting disc 135 extruding the buffer air bag 136, so that the data transmission unit 30 of the WIFI module with the model F23BUUM13-W2 transmits the electric signal with the pressure information to the PLC controller with the model FX3GA, and the PLC controller determines whether the numerical value recorded by the pressure information accords with the set value;
further, the first connecting disc 14 is respectively connected with the water outlet pipe 11 and the flange on the dilution water valve 10 through the flange, so that the inflatable sealing disc 16 is clamped by the two first connecting discs 14 to finish the fixation of the inflatable sealing disc 16, and in the same way, the other inflatable sealing disc 16 is clamped by the second connecting disc 15 to finish the fixation of the other inflatable sealing disc 16, so that high-pressure air is injected into a gap between the water outlet pipe 11 and the water inlet end of the dilution water valve 10 through the air outlet 161 on the inflatable sealing disc 16, and high-pressure air is injected into a gap between the water inlet pipe 17 and the water outlet end of the dilution water valve 10, so that when leakage is generated between the water outlet pipe 11 and the water inlet end of the dilution water valve 10 and between the water inlet pipe 17 and the water outlet end of the dilution water valve 10, the gap is sealed through an air curtain formed by the high-pressure air;
further, the first air pressure information of the high-pressure air filled in the gap between the water outlet pipe 11 and the water inlet end of the dilution water valve 10 is monitored by the first air pressure sensor 25 with the model number MPXV7002DP, the second air pressure information of the high-pressure air filled in the gap between the water inlet pipe 17 and the water outlet end of the dilution water valve 10 is monitored by the second air pressure sensor 26, so that the electric signals with the first air pressure information and the second air pressure information are transmitted to the PLC with the model number FX3GA by the data transmission unit 30 of the WIFI module with the model number F23BUUM13-W2, and if the values recorded by the first air pressure information and the second air pressure information meet the set values, the water inlet end and the water outlet end of the dilution water valve 10 are indicated to leak by the fact that the values recorded by the first air pressure information and the second air pressure information are judged by the PLC;
further, the redundant high-pressure air in the buffer air bag 136 is input into the inflatable sealing disc 16 between the two first connecting discs 14 through the first air pipe 18, the inflatable sealing disc 16 is supplied with air, the high-pressure air in the inflatable sealing disc 16 between the two first connecting discs 14 is guided to enter the inflatable sealing disc 16 between the two second connecting discs 15 through the second air pipe 19, the inflatable sealing disc 16 is supplemented with the high-pressure air, the redundant high-pressure air in the inflatable sealing disc 16 between the two second connecting discs 15 is guided to return to the buffer air bag 136 through the third air pipe 1361, the buffer air bag 136 is supplemented with the high-pressure air, and the high-pressure air release valves connected with the inflatable sealing disc 16 are arranged at the air inlet ends of the second air pipe 19 and the third air pipe 1361, so that the high-pressure air in the inflatable sealing disc 16 is prevented from being damaged due to excessive.
The specific operation mode of the invention is as follows:
when the fault analysis system is used for analyzing the running state of the dilution water valve 10, when the output shaft of the motor 132 drives the screw rod 133 connected with the motor to rotate, the valve rod 134 converts the rotary motion of the screw rod 133 into the self linear motion through the screw nut so as to drive the valve rod 134 to lift and lower, so that the dilution in the water flow box tube bundle is controlled;
when the dilution degree in the water flow box tube bundle is controlled, the angular velocity information of an output shaft of the motor 132 is monitored through an angular velocity sensor 21 with the model number of L3GD20TR, the linear displacement information of the lifting disc 135 which is lifted up and down is monitored in real time through a linear displacement sensor 22 with the model number of ZW-7000T, the temperature information of the motor 132 is monitored in real time through a temperature sensor 23 with the model number of SHT20, and therefore the data transmission unit 30 with the WIFI module with the model number of F23BUUM13-W2 transmits the angular velocity information, the temperature information and the linear displacement information to a PLC with the model number of FX3GA, and whether the numerical values recorded by the angular velocity information, the temperature information and the linear displacement information accord with set values or not is judged through the PLC so as to judge whether the motor 132, the screw rod 133 and the valve rod 134 have faults or not;
the valve rod 134 is buffered by the inflation of the buffer air bag 136 connected with the air pump, damage to the valve rod 134 caused by the flow of fluid in the valve body 12 is reduced, the pressure information generated by the extrusion of the buffer air bag 136 by the lifting disk 135 is monitored by the pressure sensor 24 with the model LWPH9XXXGV, so that an electric signal with the pressure information is transmitted to the PLC with the model FX3GA by the data transmission unit 30 of the WIFI module with the model F23BUUM13-W2, and whether the valve rod 134 is damaged due to frequent white water impact is judged by the PLC;
the first connection plate 14 is respectively connected with the water outlet pipe 11 and the flange on the dilution water valve 10 through the flange, so that the two first connection plates 14 clamp the inflatable sealing plates 16 to fix the inflatable sealing plates 16, and in the same way, the second connection plate 15 clamps the other inflatable sealing plate 16 to fix the other inflatable sealing plate 16, so that high-pressure air is injected into a gap between the water outlet pipe 11 and the water inlet end of the dilution water valve 10 through the air outlet 161 on the inflatable sealing plate 16, and high-pressure air is injected into a gap between the water inlet pipe 17 and the water outlet end of the dilution water valve 10, so that when leakage of the water valve is generated between the water outlet pipe 11 and the water inlet end of the dilution water valve 10 and between the water inlet pipe 17 and the water outlet end of the dilution water valve 10, an air curtain formed by the high-pressure air, the gap is sealed, a first air pressure sensor 25 with the model number MPXV7002DP is used for monitoring first air pressure information of high-pressure air filled in the gap between the water outlet pipe 11 and the water inlet end of the dilution water valve 10, a second air pressure sensor 26 is used for monitoring second air pressure information of high-pressure air filled in the gap between the water inlet pipe 17 and the water outlet end of the dilution water valve 10, and accordingly an electric signal with the first air pressure information and the second air pressure information is transmitted to a PLC (programmable logic controller) with the model number FX3GA through a data transmission unit 30 with the model number F23BUUM13-W2, whether the numerical values recorded by the first air pressure information and the second air pressure information meet set values or not is judged through the PLC, if the numerical values recorded by the first air pressure information and the second air pressure information meet the set values, the water inlet end and the water outlet end of the dilution water valve 10 leak.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (2)
1. A dilution water headbox valve failure analysis system comprising a dilution water valve (10) for application to a water headbox, comprising:
the data acquisition unit (20) is used for acquiring the running state data of the dilution water valve (10) in real time;
a data transmission unit (30) for receiving the operation state data and transmitting the operation state data to a data analysis unit (40);
a data analysis unit (40) for receiving the operation state data and analyzing the operation state data;
the dilution water valve (10) comprises a water outlet pipe (11) connected with the water inlet end of a water flow box, a valve body (12) connected with the water inlet end of the water outlet pipe (11), and a water inlet pipe (17) connected with the water inlet end of the valve body (12), the upper surface of the valve body (12) is connected with an electric actuator (13), the electric actuator (13) comprises a support frame (131) arranged on the upper surface of the valve body (12), a motor (132) arranged on the upper surface of the support frame (131), and a screw rod (133) connected with the output shaft of the motor (132) to the inner end of the support frame (131), the outer surface of one end of the output shaft of the screw rod (133) far away from the motor (132) is provided with a valve rod (134) through a screw sleeve, the outer surface of the top end of the valve rod (134) is sleeved with a lifting disc (135), the bottom end of the valve rod (134) extends to the inner part of the valve body (12), the data acquisition unit (20) further comprises a pressure sensor (24) embedded in the lifting disc (135) shell far away from the linear displacement sensor (22) so as to generate pressure acquisition information of the first water valve (14) through the lifting disc (14), and cover is located second connection pad (15) of inlet tube (17) surface, two aerify sealing disc (16) between first connection pad (14) and two second connection pads (15), the interior surface mounting of aerifing sealing disc (16) has a plurality of gas outlets (161), dilution water valve (10) still including connect the end of giving vent to anger of buffer gasbag (136) with two first gas-supply pipe (18) that the end of giving vent to anger of aerifing sealing disc (16) is connected between first connection pad (14), connect two between first connection pad (14) the end of giving vent to anger of aerifing sealing disc (16) with two second gas-supply pipe (19) that the end of giving vent to anger of aerifing sealing disc (16) is connected between second connection pad (15), and connect two between second connection pad (15) the end of giving vent to anger of aerifing sealing disc (16) is connected with third gas-supply pipe (1361) that the end of buffer gasbag (136) is connected.
2. The diluted water headbox valve failure analysis system according to claim 1, wherein the data acquisition unit (20) comprises an angular velocity sensor (21) sleeved on the outer surface of the output shaft of the motor (132), and a linear displacement sensor (22) embedded in one end of the housing of the lifting disc (135) to acquire angular velocity information of the output shaft of the motor (132) in real time, and acquire linear displacement information of the lifting disc (135), the data acquisition unit (20) further comprises a temperature sensor (23) mounted on the outer surface of the motor (132) to acquire temperature information of the motor (132) in real time, the electric actuator (13) further comprises a buffer air bag (136) sleeved on the outer surface of the valve rod (134), the buffer air bag (136) is arranged at the top end of the lifting disc (135), and the data acquisition unit (20) further comprises a first air pressure sensor (25) penetrating through the first connection disc (14) and a second air pressure sensor (26) penetrating through the second connection disc (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501593.6A CN114383836B (en) | 2021-12-09 | 2021-12-09 | Diluting water flow box valve fault analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501593.6A CN114383836B (en) | 2021-12-09 | 2021-12-09 | Diluting water flow box valve fault analysis system |
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| Publication Number | Publication Date |
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| CN114383836A CN114383836A (en) | 2022-04-22 |
| CN114383836B true CN114383836B (en) | 2023-12-08 |
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| CN202111501593.6A Active CN114383836B (en) | 2021-12-09 | 2021-12-09 | Diluting water flow box valve fault analysis system |
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