CN208000139U - A kind of motor-driven valve condition detecting system - Google Patents
A kind of motor-driven valve condition detecting system Download PDFInfo
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- CN208000139U CN208000139U CN201721862113.8U CN201721862113U CN208000139U CN 208000139 U CN208000139 U CN 208000139U CN 201721862113 U CN201721862113 U CN 201721862113U CN 208000139 U CN208000139 U CN 208000139U
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Abstract
The utility model is related to motor-driven valve state inspection fields, specifically disclose a kind of motor-driven valve condition detecting system.Detecting signal unit is connected with sensor unit and data processing unit in the system, detecting signal unit acquires multiple parameters signal by sensor unit, and it is sent to data processing unit and carries out respective handling, power module and administrative unit are connected with sensor unit, detecting signal unit and data processing unit simultaneously, and provide DC power supply for it, meanwhile power module and administrative unit are communicated by serial ports and data processing unit;Host computer is connected by Ethernet or wireless network with data processing unit, realizes control of the host computer to data processing unit.The system can not dismantle in valve, do not disintegrate move ahead under, accurately analyze motor-driven valve performance state comprehensively, maintenance personal and guided to adjust valve to optimum state, while state performance verification is carried out to the motor-driven valve after repair, effectively avoid human-equation error.
Description
Technical field
The utility model belongs to motor-driven valve state inspection field, and in particular to a kind of motor-driven valve condition detecting system.
Background technology
In nuclear power plant, isolation boundary valve (usual motor-operated isolation valve) switch failure can bring serious safety accident
And economic loss.To ensure safe shutdown, in case of emergency some motor-operated isolation valves must be turned on, other, which must shut off, comes
Guarantee system is separated or prevents radioactivity from leaking, and is nuclear power plant's valve of greatest concern.Nuclear power plant mostly uses greatly conventional inspection at present
Survey, cycled recondition, part replacement or integral replacing mode preventative maintenance is carried out to it, carried out again after finding obvious fault
Corrective repair (mainly breakdown maintenance), motor-operated isolation valve state performance information is understood it is very few, exist accidentally repair, leak repair, mistake
Phenomena such as repairing, human-equation error can not also avoid, and larger security risk is caused to nuclear power plant's operation.
Invention content
The purpose of this utility model is to provide a kind of motor-driven valve condition detecting systems, can not dismantle, not understand in valve
Under the premise of body, by the accumulation and analysis of motor-driven valve status data, " stealth " failure is found in advance, is arranged before failure occurs
Maintenance work avoids related accidents and loss occurrence, improves motor-driven valve condition managing level and npp safety economical operation refers to
Mark.
The technical solution of the utility model is as follows:A kind of motor-driven valve condition detecting system, the system include sensor unit,
Detecting signal unit, data processing unit and power module and administrative unit, wherein detecting signal unit and sensor unit
And data processing unit is connected, detecting signal unit acquires multiple parameters signal by sensor unit, and is sent to number
Carry out respective handling according to processing unit, power module and administrative unit simultaneously with sensor unit, detecting signal unit and number
It is connected according to processing unit, and DC power supply is provided for it, meanwhile, power module and administrative unit pass through serial ports and data processing
Unit is communicated;Host computer is connected by Ethernet or wireless network with data processing unit, realizes host computer to data
The control of processing unit.
The detecting signal unit include current sensor, voltage sensor, Boolean value output sensor, displacement sensor,
Thrust pickup and torque sensor, wherein current sensor and voltage sensor respectively in detecting signal unit
Current signal acquisition port, voltage signal acquisition port in power detecting unit are connected;The Boolean value output sensor, position
Displacement sensor respectively in detecting signal unit logical signal detection unit and position signal detection unit be connected;Thrust passes
Sensor and torque sensor are connected with the strain signal detection unit in detecting signal unit.
The detecting signal unit further includes that detecting signal unit further includes opening amount signal detection unit and pressure signal
Detection unit, the opening amount signal detection unit and pressure signal detection unit are directly connected with data processing unit.
When being monitored on-line, the current sensor is mounted on MCC control cabinet power supply output line cables with caliper brake
On;The voltage sensor is mounted on MCC control cabinet voltage outputs port, with its point-to-point corresponding conducting;The switch
Quantity sensor is mounted on the exploitation of MCC control cabinets torque, limit switch, by-pass switch and indicator light switch contact, and and its
Point-to-point corresponding contact conducting;The opening amount signal detection unit is connect with open degree feedback module in electric operator, acquisition
Valve opening signal;The pressure signal detection unit is connect with the pressure transmitter of pipeline upstream and downstream where valve, acquires valve
Door upstream and downstream pressure signal.
When carrying out fault diagnosis test, current sensor is mounted on electric operator power input line with caliper brake
Cable;The voltage sensor is mounted on electric operator power input port, with its point-to-point corresponding conducting;The switching value
Sensor is mounted in electric operator on moment, limit switch, by-pass switch and indicator light switch contact, with it
Point-to-point corresponding contact conducting;Institute's displacement sensors moving component is mounted on valve rod, with valve rod keeping parallelism synchronization action;
The thrust pickup is mounted on caliper brake on valve rod, is run up and down with valve rod;The torque sensor utilizes speciality
Glue patch type is fixedly mounted on the polished rod position of valve rod, is acted with valve rod.
The remarkable result of the utility model is:A kind of motor-driven valve condition detecting system described in the utility model and side
Method, can not be dismantled in valve, do not disintegrate move ahead under, during operation to the parameters such as system running pressure and motor-driven valve machine
The parameters such as tool, electrical are monitored on-line, are carried out diagnostic test to motor-driven valve comprehensive performance during stoppage in transit, are extracted correlation properties
Parameter accurately analyzes motor-driven valve performance state, maintenance personal is and guided to adjust valve to optimum state comprehensively, while to dimension
Motor-driven valve after repairing carries out state performance verification, effectively avoids human-equation error;In addition, by the accumulation of motor-driven valve status data and
Analysis, can analyze the trend that degrades, find its " stealth " failure in advance, arrange maintenance work before failure occurs, avoid correlation
Accident and loss occurrence improve motor-driven valve condition managing level and npp safety economical operation index.
Description of the drawings
Fig. 1 is a kind of motor-driven valve condition detecting system structural schematic diagram described in the utility model;
Fig. 2 is motor-driven valve in-site installation schematic diagram;
In figure:1, sensor unit;2, detecting signal unit;3, data processing unit;4, power module and administrative unit;
5, host computer;6, MCC control cabinets;7, electric operator;8, valve rod;9, york piece;10, pipeline;11, pressure transmitter;101,
Current sensor;102, voltage sensor;103, Boolean value output sensor;104, displacement sensor;105, thrust pickup;106,
Torque sensor;201, power detecting unit;202, logical signal detection unit;203, displacement signal detection unit;204, it answers
Varying signal detection unit;205, opening amount signal detection unit;206 pressure signal detection units.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the utility model.
As shown in Figure 1, a kind of motor-driven valve condition detecting system, including sensor unit 1, detecting signal unit 2, data
Processing unit 3 and power module and administrative unit 4, wherein detecting signal unit 2 and sensor unit 1 and data processing
Unit 3 is connected, and detecting signal unit 2 acquires multiple parameters signal by sensor unit 1, and is sent to data processing unit
3 carry out respective handlings, power module and administrative unit 4 simultaneously with sensor unit 1, detecting signal unit 2 and data processing
Unit 3 is connected, and provides DC power supply for it, meanwhile, power module and administrative unit 4 pass through serial ports and data processing unit
3 are communicated;Host computer 5 is connected by Ethernet or wireless network with data processing unit 3, realizes host computer 5 to data
The control of processing unit 3;Sensor unit 1 includes current sensor 101, voltage sensor 102, Boolean value output sensor 103, position
Displacement sensor 104, thrust pickup 105 and torque sensor 106, wherein current sensor 101 and voltage sensor
102 acquire port, voltage signal acquisition end with the current signal in the power detecting unit 201 in detecting signal unit 2 respectively
Mouth is connected;Boolean value output sensor 103, displacement sensor 104 respectively with the logical signal detection unit in detecting signal unit 2
202 are connected with position signal detection unit 203;In thrust pickup 105 and torque sensor 106 and detecting signal unit 2
Strain signal detection unit 204 be connected;Detecting signal unit 2 further includes opening amount signal detection unit 205 and pressure signal
Detection unit 206 is directly connected with data processing unit 3;When being monitored on-line (long-range), current sensor 101
It is mounted on 6 power supply output line cable of MCC control cabinets with caliper brake, voltage sensor 102 is mounted on 6 voltage output end of MCC control cabinets
Mouthful, with its point-to-point corresponding conducting, Boolean value output sensor 103 is mounted on moment, limit switch, bypass in MCC control cabinets
On the contacts such as switch, indicator light switch, conducting, opening amount signal detection unit 205 and electronic execution are contacted with its point-to-point correspondence
In mechanism 7 open degree feedback module connect, acquisition valve opening signal (standard electric signal), pressure signal detection unit 206 with
The pressure transmitter 11 of 10 upstream and downstream of pipeline connects where valve, acquisition valve upstream and downstream pressure signal (normalized current/voltage letter
Number);When fault diagnosis tests (on the spot), current sensor 101 is mounted on 7 power input line of electric operator with caliper brake
Cable, voltage sensor 102 are mounted on 7 power input port of electric operator, with its point-to-point corresponding conducting, switching value sensing
Device 103 is mounted in electric operator 7 on the contacts such as moment, limit switch, by-pass switch, indicator light switch, with it
Point-to-point corresponding contact conducting, 104 moving component of displacement sensor is mounted on valve rod 8, synchronous with 8 keeping parallelism of valve rod dynamic
Make, thrust pickup 105 is mounted on caliper brake on valve rod 8, is run up and down, torque with valve rod (only A head only journey acts valve)
Sensor 106 is fixedly mounted on the polished rod position of valve rod 8 using speciality glue patch type, is acted with valve rod.
Claims (5)
1. a kind of motor-driven valve condition detecting system, it is characterised in that:The system includes sensor unit (1), detecting signal unit
(2), data processing unit (3) and power module and administrative unit (4), wherein detecting signal unit (2) and sensor unit
(1) and data processing unit (3) is connected, and detecting signal unit (2) acquires multiple parameters by sensor unit (1) to be believed
Number, and be sent to data processing unit (3) and carry out respective handling, power module and administrative unit (4) while and sensor unit
(1), detecting signal unit (2) and data processing unit (3) are connected, and provide DC power supply for it, meanwhile, power module
And administrative unit (4) is communicated by serial ports and data processing unit (3);Host computer (5) passes through Ethernet or wireless network
It is connected with data processing unit (3), realizes control of the host computer (5) to data processing unit (3).
2. a kind of motor-driven valve condition detecting system according to claim 1, it is characterised in that:The detecting signal unit
(2) include current sensor (101), voltage sensor (102), Boolean value output sensor (103), displacement sensor (104), thrust
Sensor (105) and torque sensor (106), wherein current sensor (101) and voltage sensor (102) respectively with
Current signal acquisition port, voltage signal acquisition port in power detecting unit (201) in detecting signal unit (2) are connected
It connects;The Boolean value output sensor (103), displacement sensor (104) are examined with the logical signal in detecting signal unit (2) respectively
Unit (202) is surveyed with position signal detection unit (203) to be connected;Thrust pickup (105) and torque sensor (106) and letter
Strain signal detection unit (204) in number detection unit (2) is connected.
3. a kind of motor-driven valve condition detecting system according to claim 2, it is characterised in that:The detecting signal unit
(2) further include detecting signal unit (2) further include opening amount signal detection unit (205) and pressure signal detection unit (206), institute
The opening amount signal detection unit (205) and pressure signal detection unit (206) stated directly are connected with data processing unit (3).
4. a kind of motor-driven valve condition detecting system according to claim 3, it is characterised in that:When being monitored on-line,
The current sensor (101) is mounted on caliper brake on MCC control cabinets (6) power supply output line cable;The voltage sensor
Device (102) is mounted on MCC control cabinets (6) voltage output port, with its point-to-point corresponding conducting;The Boolean value output sensor
(103) it is mounted on MCC control cabinets (6) torque exploitation, limit switch, by-pass switch and indicator light switch contact, and and its
Point-to-point corresponding contact conducting;The opening amount signal detection unit (205) connects with open degree feedback module in electric operator (7)
It connects, acquires valve opening signal;The pressure transmitter of the pressure signal detection unit and pipeline (10) upstream and downstream where valve
Connection acquires valve upstream and downstream pressure signal.
5. a kind of motor-driven valve condition detecting system according to claim 3, it is characterised in that:Carrying out fault diagnosis test
When, current sensor (101) is mounted on electric operator (7) power input cable with caliper brake;The voltage sensor
(102) it is mounted on electric operator (7) power input port, with its point-to-point corresponding conducting;The Boolean value output sensor
(103) it is mounted in electric operator (7) on moment, limit switch, by-pass switch and indicator light switch contact, with
Its point-to-point corresponding contact conducting;Institute displacement sensors (104) moving component is mounted on valve rod (8), is kept with valve rod (8)
Parallel synchronous acts;The thrust pickup (105) is mounted on caliper brake on valve rod (8), is run up and down with valve rod;It is described
Torque sensor (106) the polished rod position of valve rod (8) is fixedly mounted on using speciality glue patch type, started with valve rod one
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862113.8U CN208000139U (en) | 2017-12-27 | 2017-12-27 | A kind of motor-driven valve condition detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862113.8U CN208000139U (en) | 2017-12-27 | 2017-12-27 | A kind of motor-driven valve condition detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN208000139U true CN208000139U (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721862113.8U Active CN208000139U (en) | 2017-12-27 | 2017-12-27 | A kind of motor-driven valve condition detecting system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974770A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of motor-driven valve condition detecting system and method |
| CN110907166A (en) * | 2019-12-24 | 2020-03-24 | 杭州先锋电子技术股份有限公司 | Device and method for detecting durability of two-wire control valve |
| CN111350859A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Device and method for detecting state of electric regulating valve |
| CN111720619A (en) * | 2020-07-30 | 2020-09-29 | 中国科学院合肥物质科学研究院 | System for automatically monitoring states of gate valve and Shutter |
| CN113889289A (en) * | 2021-09-29 | 2022-01-04 | 中广核核电运营有限公司 | Electric head debugging tool |
-
2017
- 2017-12-27 CN CN201721862113.8U patent/CN208000139U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974770A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of motor-driven valve condition detecting system and method |
| CN111350859A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Device and method for detecting state of electric regulating valve |
| CN110907166A (en) * | 2019-12-24 | 2020-03-24 | 杭州先锋电子技术股份有限公司 | Device and method for detecting durability of two-wire control valve |
| CN111720619A (en) * | 2020-07-30 | 2020-09-29 | 中国科学院合肥物质科学研究院 | System for automatically monitoring states of gate valve and Shutter |
| CN113889289A (en) * | 2021-09-29 | 2022-01-04 | 中广核核电运营有限公司 | Electric head debugging tool |
| CN113889289B (en) * | 2021-09-29 | 2023-06-02 | 中广核核电运营有限公司 | Electric head debugging tool |
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