CN205876863U - Servovalve, online fault detector of proportional valve - Google Patents
Servovalve, online fault detector of proportional valve Download PDFInfo
- Publication number
- CN205876863U CN205876863U CN201620858918.4U CN201620858918U CN205876863U CN 205876863 U CN205876863 U CN 205876863U CN 201620858918 U CN201620858918 U CN 201620858918U CN 205876863 U CN205876863 U CN 205876863U
- Authority
- CN
- China
- Prior art keywords
- power supply
- control signal
- measurement table
- current measurement
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a servovalve, online fault detector of proportional valve, belongs to steel rolling equipment detecting instrument technical field for carry out the short -term test to the servovalve in the steel rolling equipment, proportional valve. Its technical scheme is: its power supply current measurement table, power supply voltage measurement table, enable signal voltage measurement table, control signal current measurement table, control signal voltage measurement table, case feedback cable meter are installed in the box body, and the control end socket phase -match of plug and servovalve or proportional valve, socket and current measurement 0's plug phase -match, plug and socket are connected with instrument in the box body through the wire in the cable respectively. The utility model has the advantages of being simple in structure and convenient in operation, it is accurate to measure, can carry out the short -term test to servovalve and proportional valve when breaking down, confirms the position that breaks down, time of the processing accident that has significantly reduced, maintained production rhythm, and guaranteed going on smoothly of producing, there is apparent economic benefits.
Description
Technical field
This utility model relates to a kind of instrument detecting the servo valve in steel rolling equipment, proportioning valve, belongs to steel rolling
Equipment Inspection Instrument technology field.
Background technology:
In rustless steel 1580 hot rolling line, whole production line uses substantial amounts of hydraulic efficiency servo-valve, proportioning valve.In production
Often servo valve occur, the oil cylinder of proportional valve control is failure to actuate or remarkable action phenomenon, easily causes heap, steel-fastening thing when breaking down
Therefore.Servo valve and proportioning valve system are closed loop systems, and oil cylinder is failure to actuate or remarkable action reason is a lot, it may be possible to hydraulic pressure
Servo valve body problem, servo valve amplification board problem, control circuit question, PLC control module problem etc..Determine fault at present
Reason does not has special instrument, needs when determining Producing reason all parts and whole circuit are carried out repeated measurement, with
And be replaced servo valve etc. and carry out series of experiments, could finally lock reason, fix a breakdown.At present, examine after breaking down
The process looking into failure cause needs the longer time, therefore delays the eliminating to accident, has upset the rhythm produced, have impact on
Produce is smoothed out.Along with the fast development produced, it is highly important for keeping the normal production order, it is therefore necessary to adopt
Take effective measures and solve quick test problems when servo valve and proportioning valve break down.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of servo valve, the online fault locator of proportioning valve, this
Plant detector when breaking down, servo valve and proportioning valve to be used for quickly detecting, determine the position of fault, reduce because of not
Can accurately failure judgement and problem that break down time of causing extends.
The technical scheme solving above-mentioned technical problem is:
A kind of servo valve, the online fault locator of proportioning valve, it includes box body, plug, socket, cable, power supply electricity
Flow measurement table, power supply voltage measurement table, enable signal voltage measure table, control signal current measurement table, control signal electricity
Pressure measures table, spool feedback cable measures table, power supply current measurement table, power supply voltage measurement table, enable signal electricity
Pressure measurement table, control signal current measurement table, control signal voltage measurement table, spool feedback cable measurement table are arranged on box body
In, plug matches with the control end socket of servo valve or proportioning valve, and the plug of socket and control circuit matches, and plug is with slotting
Seat is connected with the instrument in box body by the wire in cable respectively.
The online fault locator of above-mentioned servo valve, proportioning valve, the pin between described plug and socket is respectively by cable
Power supply current measurement wire, power supply voltage measurement wire, enable signal voltage measure traverse line, control signal electric current
Measure traverse line, control signal voltage measurement wire, spool feedback cable measure traverse line are connected, and power supply current measurement table is even
Being connected in power supply current measurement wire, the two ends of power supply voltage measurement table are connected to power supply voltage measurement
On wire and power supply current measurement wire, the two ends enabling signal voltage measurement table are connected to enable signal voltage survey
On amount wire and power supply voltage measurement wire, control signal current measurement table is connected to control signal current measurement wire
In, the two ends of control signal voltage measurement table are connected to control signal current measurement wire and control signal voltage measurement is led
On line, spool feedback cable measure table two ends respectively with spool feedback cable measure traverse line and power supply voltage measurement wire
It is connected.
The online fault locator of above-mentioned servo valve, proportioning valve, described control signal voltage measurement table has two pieces, their amount
Cheng Butong, two block control signal voltage measurement tables are in parallel.
The beneficial effects of the utility model are:
This utility model is made up of polylith voltmeter and ammeter, when an error occurs, servo valve plug is pulled up, and incite somebody to action this
The plug and socket of utility model is concatenated between control circuit and servo valve, proportioning valve, according to voltage of the present utility model, electricity
The show value of stream, i.e. may determine that fault portion.This utility model simple in construction, easy to operate, measure accurately, it is possible to occurring therefore
During barrier, servo valve and proportioning valve are used for quickly detecting, determine the position broken down, greatly reduce the time of process accident,
Maintain rhythm of production, it is ensured that being smoothed out of production, have significant economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is circuit connection diagram of the present utility model.
In figure, labelling is as follows: box body 1, plug 2, socket 3, cable 4, power supply current measurement table 5, power supply voltage
Measure table 6, enable signal voltage measurement table 7, control signal current measurement table 8, control signal voltage measurement table 9, spool feedback
Cable is measured table 10, power supply current measurement wire A, power supply voltage measurement wire B, is enabled signal voltage measure traverse line
C, control signal current measurement wire D, control signal voltage measurement wire E, spool feedback cable measure traverse line F.
Detailed description of the invention
This utility model includes box body 1, plug 2, socket 3, cable 4, power supply current measurement table 5, power supply electricity
Pressure measures table 6, enable signal voltage measures table 7, control signal current measurement table 8, control signal voltage measurement table 9, spool are anti-
Table 10 measured by feed cable.
Fig. 1 shows, power supply current measurement table 5, power supply voltage measurement table 6, enable signal voltage measure table 7,
Control signal current measurement table 8, control signal voltage measurement table 9, spool feedback cable measurement table 10 are separately mounted to box body 1
In, wherein control signal voltage measurement table 9 has two pieces, and their range is different, and two block control signal voltage measurement table 9 phases are also
Connection.It can be seen that these voltmeters and the display screen of ammeter on the panel of box body 1.Plug 2 and servo valve or proportioning valve
Controlling end socket to match, socket 3 and the plug controlling circuit match, and plug 2 and socket 3 are respectively by leading in cable 4
Line is connected with the instrument in box body 1.
Fig. 2 shows, the pin between plug 2 and socket 3 is respectively by the power supply current measurement wire A in cable 4, confession
Electricity supply voltage measure traverse line B, enable signal voltage measure traverse line C, control signal current measurement wire D, control signal voltage
Measure traverse line E, spool feedback cable measure traverse line F are connected.
Fig. 2 shows, power supply current measurement table 5 is connected in power supply current measurement wire A, power supply voltage
The two ends of measurement table 6 are connected on power supply voltage measurement wire A and power supply current measurement wire B.
Fig. 2 shows, the two ends enabling signal voltage measurement table 7 are connected to enable signal voltage measure traverse line C and confession
On electricity supply voltage measure traverse line B.
Fig. 2 shows, control signal current measurement table 8 is connected in control signal current measurement wire D, control signal voltage
The two ends of measurement table 9 are connected on control signal current measurement wire D and control signal voltage measurement wire E.
Fig. 2 shows, the two ends that spool feedback cable measures table 10 are electric with spool feedback cable measure traverse line F and power supply respectively
Voltage measurement wire B in source is connected.
This utility model, when making, selects 85C1 series voltage table, ammeter, with reference to Fig. 2.Voltmeter, ammeter
Range type selecting determines according to the type of production line servo proportion, for details see attached table 1, and final selected voltage, ammeter range are full
Foot tested servo valve, the maximum range of proportioning valve.
What an embodiment of the present utility model was selected is the power supply voltmeter of 30V, and the ammeter of 2A enables signal
Use the ammeter of 20MA and 10V voltmeter, spool feedback to use 20MA ammeter, carry out wiring making according to Fig. 2, just can one
Secondary property is debugged successfully.
Detection method of the present utility model is as follows:
Failture evacuation principle: first rear automatic, linkage after first single action, inside behind first outside, first simple rear complicated, first open
Closed loop after ring, rear special principle carries out keeping in repair, searching fault.After i.e. system being carried out piecemeal disconnection, search fault
Point, first gets rid of the high outside line of fault rate, frequent out of order link.
Failture evacuation flow process:
This utility model can measure supply voltage, electric current, signal voltage, electric current, spool feedback position simultaneously, surveys online
Amount PLC is electrically connected situation to valve.Have a control instruction, and the fault that hydraulic cylinder is failure to actuate, investigate as follows:
(1) power supply is if any voltage, no current, determines it is valve or plug fault；Such as no-voltage, no current, determine it is power supply
Power failure or line fault.
(2) signal is if any voltage, no current, determines it is valve or plug fault；Such as no-voltage, no current, determine it is PLC event
Barrier or signal line fault.
(3), signal voltage, electric current normal at supply voltage, electric current are under normal circumstances, and spool feedback current signal does not has phase
Should change, determine that spool does not has action, it is judged that valve damage, valve card, control oil pressure faults.
(4), signal voltage, electric current normal at supply voltage, electric current are under normal circumstances, and spool feedback current signal has accordingly
Change, but oil cylinder is failure to actuate or the display of pressure tap pressure is abnormal, can primarily determine that it is pressure locking-valve event of connecting with control valve
Barrier.
(5) if test signal is normal, substantially judge that Control architecture and cable are no problem.
(6) MOOG valve testing stand inspection proportioning valve, the performance of servo valve are used, abnormal then change hydraulic valve.
According to the model of hydraulic valve, select control model.
If operation controls hydraulic valve action, normally, hydraulic valve is the most no problem, otherwise changes hydraulic valve.
The most no problem for item-dividing test, then take Shift Method, make a look up fault.
Subordinate list 1:
Claims (3)
1. a servo valve, the online fault locator of proportioning valve, it is characterised in that: it includes box body (1), plug (2), socket
(3), cable (4), power supply current measurement table (5), power supply voltage measurement table (6), enable signal voltage measure table
(7), control signal current measurement table (8), control signal voltage measurement table (9), spool feedback cable measure table (10), power supply electricity
Source current measurement table (5), power supply voltage measurement table (6), enable signal voltage measure table (7), control signal current measurement
Table (8), control signal voltage measurement table (9), spool feedback cable are measured in table (10) is arranged on box body (1), plug (2) with watch
The control end socket taking valve or proportioning valve matches, and socket (3) and the plug controlling circuit match, plug (2) and socket (3)
It is connected with the instrument in box body (1) by the wire in cable (4) respectively.
The online fault locator of servo valve the most according to claim 1, proportioning valve, it is characterised in that: described plug (2) and
Pin between socket (3) is respectively by the power supply current measurement wire A in cable (4), power supply voltage measurement wire
B, enable signal voltage measure traverse line C, control signal current measurement wire D, control signal voltage measurement wire E, spool feedback
Cable measure traverse line F is connected, and power supply current measurement table (5) is connected in power supply current measurement wire A, power supply electricity
The two ends of source voltage measurement table (6) are connected to power supply voltage measurement wire B and power supply current measurement wire A
On, the two ends enabling signal voltage measurement table (7) are connected to enable signal voltage measure traverse line C and the survey of power supply voltage
On amount wire B, control signal current measurement table (8) is connected in control signal current measurement wire D, control signal voltage measurement
The two ends of table (9) are connected on control signal current measurement wire D and control signal voltage measurement wire E, and spool feeds back
Cable is measured the two ends of table (10) and is connected with spool feedback cable measure traverse line F and power supply voltage measurement wire B respectively.
The online fault locator of servo valve the most according to claim 2, proportioning valve, it is characterised in that: described control signal
Voltage measurement table (9) has two pieces, and their range is different, and two block control signals voltage measurement table (9) are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858918.4U CN205876863U (en) | 2016-08-09 | 2016-08-09 | Servovalve, online fault detector of proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858918.4U CN205876863U (en) | 2016-08-09 | 2016-08-09 | Servovalve, online fault detector of proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876863U true CN205876863U (en) | 2017-01-11 |
Family
ID=57703596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620858918.4U Active CN205876863U (en) | 2016-08-09 | 2016-08-09 | Servovalve, online fault detector of proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876863U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445319A (en) * | 2018-03-15 | 2018-08-24 | 攀钢集团西昌钢钒有限公司 | A kind of fault detect tool for solenoid valve |
| CN109856442A (en) * | 2017-11-30 | 2019-06-07 | 中国飞机强度研究所 | A kind of SERVO CONTROL current signal detecting device |
| CN110290887A (en) * | 2017-02-10 | 2019-09-27 | 意特佩雷斯工业公司 | Die casting machine with valve diagnostic system |
| CN110857960A (en) * | 2018-08-22 | 2020-03-03 | 江苏沙钢集团有限公司 | Servo valve fault detection method |
| CN112858822A (en) * | 2021-01-25 | 2021-05-28 | 唐山钢铁集团有限责任公司 | Method for testing electric faults of proportional valve servo valve |
-
2016
- 2016-08-09 CN CN201620858918.4U patent/CN205876863U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290887A (en) * | 2017-02-10 | 2019-09-27 | 意特佩雷斯工业公司 | Die casting machine with valve diagnostic system |
| CN110290887B (en) * | 2017-02-10 | 2022-08-02 | 意特佩雷斯高斯公司 | Die casting machine with valve diagnostic system |
| CN109856442A (en) * | 2017-11-30 | 2019-06-07 | 中国飞机强度研究所 | A kind of SERVO CONTROL current signal detecting device |
| CN108445319A (en) * | 2018-03-15 | 2018-08-24 | 攀钢集团西昌钢钒有限公司 | A kind of fault detect tool for solenoid valve |
| CN110857960A (en) * | 2018-08-22 | 2020-03-03 | 江苏沙钢集团有限公司 | Servo valve fault detection method |
| CN112858822A (en) * | 2021-01-25 | 2021-05-28 | 唐山钢铁集团有限责任公司 | Method for testing electric faults of proportional valve servo valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205876863U (en) | Servovalve, online fault detector of proportional valve | |
| CN106569170B (en) | A kind of metering device secondary circuit detector and its detection method | |
| CN101216543A (en) | DC system earth fault detection and calibration method and its special equipment | |
| CN102798759A (en) | Insulation resistance test system | |
| CN203894379U (en) | Comprehensive test stand for detecting performances of mine low-voltage feeder switch | |
| CN105548945A (en) | Electric energy meter state testing method | |
| CN101026295A (en) | Non-grounding neutral point system low-voltage leakage protection method and its equipment | |
| CN205503198U (en) | TSI system for steam turbine | |
| CN109335018B (en) | Automatic wire harness detection system and wire harness box for aircraft auxiliary power device | |
| CN112858822A (en) | Method for testing electric faults of proportional valve servo valve | |
| CN103197195A (en) | Detecting method and detecting system for multipoint earthing of voltage second loop neutral conductor network | |
| CN204716668U (en) | Servovalve detection device in a kind of Hydrauservo System | |
| CN109581208A (en) | High-voltage circuitbreaker auxiliary contact and the intelligent detection device of circuit detection | |
| CN204462243U (en) | Master iron core ground current on-Line Monitor Device | |
| CN103558450B (en) | Three mutual inductor on-Line Monitor Device of apparatus for fixing transformer ground current | |
| CN205844414U (en) | A kind of earth resistance circuit structure measured based on split-core type meter | |
| CN105890808A (en) | Temperature calibrator for main transformer | |
| CN206682081U (en) | A kind of servo valve proportioning valve signal detecting and measuring apparatus for steel rolling machine hydraulic system | |
| CN205826780U (en) | Stray current drainage device testboard | |
| CN204758790U (en) | Automatic fault diagnostic of mining ac motor | |
| CN103207342A (en) | Ground intelligent pre-warning device for overhauling test | |
| CN107247211A (en) | A kind of AC and DC insulation fault location system | |
| CN203630207U (en) | Double-transformer on-line monitoring device of transformer clamping piece grounding current | |
| CN211042322U (en) | Portable electrical detection equipment of shield machine | |
| CN106291195A (en) | A kind of Intellectualized starting functional transformer comprehensive test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |