CN106932666A - Multiple-way valve control function method of testing - Google Patents
Multiple-way valve control function method of testing Download PDFInfo
- Publication number
- CN106932666A CN106932666A CN201511031786.4A CN201511031786A CN106932666A CN 106932666 A CN106932666 A CN 106932666A CN 201511031786 A CN201511031786 A CN 201511031786A CN 106932666 A CN106932666 A CN 106932666A
- Authority
- CN
- China
- Prior art keywords
- valve
- proportioning valve
- signal input
- reference value
- hydraulic fluid
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
Abstract
A kind of multiple-way valve control function method of testing, comprises the following steps：S2：Comparative example valve provides following signal input respectively：4mA, 12mA and 20mA；S3：Under tri- kinds of input conditions of 4mA, 12mA and 20mA, determine whether proportioning valve spool position is in correct position respectively；And the voltage signal that measurement scale valve feeds back respectively, compare with proportioning valve feedback voltage signal reference value；S4：If the voltage signal of proportioning valve feedback is identical with reference value, and spool position is correct, then judge that the proportioning valve function is normal.In the present invention, by giving proportioning valve input current signal, inner spool is acted, while proportioning valve itself understands feedback voltage signal, contrast signal input and output numerical value simultaneously observes spool position, it can be determined that whether proportional valve control function is normal.
Description
Technical field
Invention is related to Marine Diesels field, and in particular to air cylinder of marine diesel engine hydraulic pressure unit multiple-way valve
Control function method of testing.
Background technology
Marine diesel (ME-C types) by the action of multiple-way valve in the process of running, it is necessary to be controlled
Fuel oil injection, air bleeding valve opening and closing.Multiple-way valve (as shown in Figure 1) is by 3-position 4-way proportioning valve (such as Fig. 2
Shown, hereinafter referred to as proportioning valve) and main valve combination constitute.And the action of multiple-way valve is three by top
4-way proportional valve (i.e. multiple-way valve control valve) is come what is controlled.Multiple-way valve is one of very crucial parts,
Its construction is complicated, comprising electric control part and mechanical part, once break down that the normal fortune of diesel engine can be influenceed
OK.So it is very necessary to find out failure Producing reason as soon as possible and solve failure.
The content of the invention
It is an object of the invention to provide a kind of multiple-way valve control function method of testing, it may determine that proportioning valve
Whether function is normal.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of multiple-way valve control function method of testing is provided, is comprised the following steps：S2：Comparative example valve is carried respectively
For following signal input：4mA, 12mA and 20mA；S3：In tri- kinds of 4mA, 12mA and 20mA
Under input condition, determine whether proportioning valve spool position is in correct position respectively；And difference measurement scale valve
The voltage signal of feedback, compares with proportioning valve feedback voltage signal reference value；S4：If proportioning valve feeds back
Voltage signal it is identical with reference value, and spool position is correct, then judge that the proportioning valve function is normal.
Wherein, the proportioning valve feedback voltage signal reference value is：It is described when signal input is 4mA
Reference value is -10V；When signal input is 12mA, the reference value is 0V；When signal input is 20mA
When, the reference value is+10V.
Wherein, the correct position of ratio valve core is as follows：Signal input be 12mA states under, valve element to
Left micro-shifting, hydraulic fluid port P and A, B UNICOM, hydraulic fluid port A, B and T UNICOMs；It is more than 12mA in signal input
Under state, valve element is moved to left, hydraulic fluid port P and A UNICOMs, hydraulic fluid port B and T UNICOMs；12mA is less than in signal input
Under state, valve element is moved to right, hydraulic fluid port P and B UNICOMs, hydraulic fluid port A and T UNICOMs.
In the present invention, by giving proportioning valve input current signal, inner spool action, while proportioning valve itself
Meeting feedback voltage signal, contrast signal input and output numerical value simultaneously observes spool position, it can be determined that Proportional Valve-controlled
Whether function processed is normal.
Brief description of the drawings
Fig. 1 is multiple-way valve cut-away view.
Fig. 2 is proportioning valve cut-away view.
When Fig. 3 to Fig. 6 is that different current values are input into, the change of spool position.
Fig. 7 is multiple-way valve control function test device wiring diagram.
Element list：
1st, proportioning valve
2nd, signal generator
3rd, voltage test device
4th, D.C. regulated power supply
5th, halfway junction box
Specific embodiment
Embodiments of the present invention, wherein identical part identical reference are described with reference to the accompanying drawings
Represent.
In the present invention, proportioning valve input current signal is given, proportioning valve inner spool can produce action, while than
Example valve itself can feedback voltage signal, by contrast signal input and output numerical value and observe spool position and sentence
Whether disconnected proportional valve control function is normal.
Testing required equipment is：D.C. regulated power supply 4；Adjustable signal generator 2, it can at least be provided
The output of 4mA~20mA；Voltage test device 3, such as voltmeter, universal meter.During the equipment can pass through
Between terminal box 5 be attached.
Multiple-way valve control function method of testing of the invention comprises the following steps：
S1：Proportioning valve 1 and test equipment are connected as shown in Figure 7, wherein, connect D.C. regulated power supply 4
It is powered, the adjustable signal generator 2 of connection connects voltage test device 3 to provide signal input
With the voltage signal that measurement scale valve 1 feeds back.
S2：Signal generator is set to provide following signal input respectively：4mA, 12mA and 20mA.
S3：In the case of tri- kinds of 4mA, 12mA and 20mA, whether proportioning valve spool position is determined respectively
In correct position；While the reading in difference read voltage test device in the case of three kinds, as proportioning valve
The voltage signal of feedback is recorded, and carries out the voltage signal of the feedback and the comparison of reference value.
S4：If the voltage signal of proportioning valve feedback is identical with reference value, and spool position is correct, then can determine that
The proportioning valve function is normal.
Signal generator output valve refers to table 1 with proportioning valve feedback signal reference value.Wherein, 0.5V is for can
The error of receiving.
The proportioning valve feedback signal reference value table of table 1
| Signal generator output valve | Proportioning valve feedback signal reference value |
| 4mA | -10V±0.5V |
| 12mA | 0V±0.5V |
| 20mA | +10V±0.5V |
The correct position of ratio valve core under different situations is described below.
As shown in figure 3, being ratio valve core position in the power-off state.Wherein, big spring promotes valve element
Move to right, until floating spring seat is contacted with bush end face, now, hydraulic fluid port A, T UNICOMs, hydraulic fluid port P, B
UNICOM.
As shown in figure 4, being position of the ratio valve core in the case where signal generator output valve is 12mA states.
It is middle position.Wherein, coil produces active force to the left, promotes valve element to overcome high spring force micro- to the left
Move, now, hydraulic fluid port P and A, B UNICOM, while hydraulic fluid port A, B and T UNICOMs, maintain or seal hydraulic fluid port
The oil pressure of A.And the state of main valve is：It is maintained at former open position.
As shown in figure 5, being that ratio valve core is more than the position under 12mA states in signal generator output valve.
It is oil spout position.Wherein, active force to the left will be produced under the function of current, promotes valve element to overcome big bullet
Spring force is moved to left, and now, hydraulic fluid port P and A UNICOMs, hydraulic fluid port B and T UNICOMs, pressure oil enter oiler A.
And the state of main valve is：Move to right, exhaust valve closure, plunger is up.
As shown in fig. 6, being that ratio valve core is less than the position under 12mA states in signal generator output valve.
It is exhaust position.Wherein, active force to the right will be produced under the function of current, pulls valve element to overcome small bullet
Spring force is moved to right, and now, hydraulic fluid port P and B UNICOMs, hydraulic fluid port A and T UNICOMs, hydraulic fluid port A oil-feeds are cut off simultaneously
Release.And the state of main valve is：Move to left, plunger is descending, air bleeding valve is opened.
Preferably, proportioning valve functional test preferably multiple-way valve installation before carry out, can so exclude in advance by
In the influence that automatically controlled reason is produced to multiple-way valve, multiple-way valve failure during diesel engine runs is greatlyd save
The investigation time.
Embodiment described above, the simply present invention more preferably specific embodiment, those skilled in the art
The usual variations and alternatives that member is carried out in the range of technical solution of the present invention should all be included in protection of the invention
In the range of.
Claims (3)
1. a kind of multiple-way valve control function method of testing, it is characterised in that comprise the following steps：
S2：Comparative example valve provides following signal input respectively：4mA, 12mA and 20mA；
S3：Under tri- kinds of input conditions of 4mA, 12mA and 20mA, proportioning valve spool position is determined respectively
Whether correct position is in；And the voltage signal that measurement scale valve feeds back respectively, believe with proportioning valve feedback voltage
Number reference value is compared；
S4：If the voltage signal of proportioning valve feedback is identical with reference value, and spool position is correct, then judging should
Proportioning valve function is normal.
2. the method for claim 1, it is characterised in that the proportioning valve feedback voltage signal ginseng
Examining value is：
When signal input is 4mA, the reference value is -10V；
When signal input is 12mA, the reference value is 0V；
When signal input is 20mA, the reference value is+10V.
3. the method for claim 1, it is characterised in that the correct position of ratio valve core is as follows：
In the case where signal input is 12mA states, valve element micro-shifting to the left, hydraulic fluid port P and A, B UNICOM, hydraulic fluid port
A, B and T UNICOM；
Be more than under 12mA states in signal input, valve element is moved to left, hydraulic fluid port P and A UNICOMs, hydraulic fluid port B with
T UNICOMs；
Be less than under 12mA states in signal input, valve element is moved to right, hydraulic fluid port P and B UNICOMs, hydraulic fluid port A with
T UNICOMs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031786.4A CN106932666A (en) | 2015-12-31 | 2015-12-31 | Multiple-way valve control function method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031786.4A CN106932666A (en) | 2015-12-31 | 2015-12-31 | Multiple-way valve control function method of testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106932666A true CN106932666A (en) | 2017-07-07 |
Family
ID=59444808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031786.4A Pending CN106932666A (en) | 2015-12-31 | 2015-12-31 | Multiple-way valve control function method of testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106932666A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443718A (en) * | 2018-10-16 | 2019-03-08 | 北京拉夫堡太阳能技术有限公司 | A kind of hydraulic station intelligent detection device and its detection method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63243510A (en) * | 1987-03-27 | 1988-10-11 | Hitachi Constr Mach Co Ltd | Drive control device of hydraulic machine |
| CN1039288A (en) * | 1989-07-24 | 1990-01-31 | 权宇 | Composite control valve of pressure and flow proportional to electric current |
| JPH11101361A (en) * | 1997-09-30 | 1999-04-13 | Tokico Ltd | Solenoid control valve |
| EP1083337A2 (en) * | 1999-08-31 | 2001-03-14 | Teijin Seiki Co., Ltd. | Hydraulic drive apparatus |
| CN1938539A (en) * | 2004-03-31 | 2007-03-28 | 株式会社小金井 | Proportional solenoid valve control device |
| US20110132483A1 (en) * | 2009-12-04 | 2011-06-09 | Hyundai Motor Company | Three-way proportional control valve for actively controlling coolant and proportional control method using the same |
| CN102155470A (en) * | 2011-05-27 | 2011-08-17 | 常德中联重科液压有限公司 | Automatic detection and debugging system and method of hydraulic valve |
| CN102954057A (en) * | 2012-11-22 | 2013-03-06 | 太原理工大学 | Electric closed-loop control three-way proportional pressure-reducing valve |
| CN103302099A (en) * | 2013-04-26 | 2013-09-18 | 太原重工股份有限公司 | Back-up roll hydraulic control system of mandrel pipe mill |
| CN203258105U (en) * | 2013-05-06 | 2013-10-30 | 北京华德液压工业集团有限责任公司 | Direct-acting proportional reversing valve |
| CN103807248A (en) * | 2014-02-14 | 2014-05-21 | 杰锋汽车动力系统股份有限公司 | Proportional electromagnetic valve multifunctional test loop |
| CN104828717A (en) * | 2014-06-18 | 2015-08-12 | 北汽福田汽车股份有限公司 | Hydraulic control system and wheeled crane |
| CN204628754U (en) * | 2015-04-14 | 2015-09-09 | 中国航天空气动力技术研究院 | Control valve actuator protective loop |
-
2015
- 2015-12-31 CN CN201511031786.4A patent/CN106932666A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63243510A (en) * | 1987-03-27 | 1988-10-11 | Hitachi Constr Mach Co Ltd | Drive control device of hydraulic machine |
| CN1039288A (en) * | 1989-07-24 | 1990-01-31 | 权宇 | Composite control valve of pressure and flow proportional to electric current |
| JPH11101361A (en) * | 1997-09-30 | 1999-04-13 | Tokico Ltd | Solenoid control valve |
| EP1083337A2 (en) * | 1999-08-31 | 2001-03-14 | Teijin Seiki Co., Ltd. | Hydraulic drive apparatus |
| CN1938539A (en) * | 2004-03-31 | 2007-03-28 | 株式会社小金井 | Proportional solenoid valve control device |
| US20110132483A1 (en) * | 2009-12-04 | 2011-06-09 | Hyundai Motor Company | Three-way proportional control valve for actively controlling coolant and proportional control method using the same |
| CN102155470A (en) * | 2011-05-27 | 2011-08-17 | 常德中联重科液压有限公司 | Automatic detection and debugging system and method of hydraulic valve |
| CN102954057A (en) * | 2012-11-22 | 2013-03-06 | 太原理工大学 | Electric closed-loop control three-way proportional pressure-reducing valve |
| CN103302099A (en) * | 2013-04-26 | 2013-09-18 | 太原重工股份有限公司 | Back-up roll hydraulic control system of mandrel pipe mill |
| CN203258105U (en) * | 2013-05-06 | 2013-10-30 | 北京华德液压工业集团有限责任公司 | Direct-acting proportional reversing valve |
| CN103807248A (en) * | 2014-02-14 | 2014-05-21 | 杰锋汽车动力系统股份有限公司 | Proportional electromagnetic valve multifunctional test loop |
| CN104828717A (en) * | 2014-06-18 | 2015-08-12 | 北汽福田汽车股份有限公司 | Hydraulic control system and wheeled crane |
| CN204628754U (en) * | 2015-04-14 | 2015-09-09 | 中国航天空气动力技术研究院 | Control valve actuator protective loop |
Non-Patent Citations (2)
| Title |
|---|
| 卢文辉等: "电液比例阀的结构原理与研究现状", 《机床与液压》 * |
| 邵建文等: "空调双稳态四通阀性能匹配测试系统", 《中国计量学院学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443718A (en) * | 2018-10-16 | 2019-03-08 | 北京拉夫堡太阳能技术有限公司 | A kind of hydraulic station intelligent detection device and its detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101646892A (en) | Method for the diagnosis of a shut-off valve | |
| CN103982249A (en) | Emergency trip device capable of isolating testing signal | |
| KR101532843B1 (en) | 0nline monitoring system of nuclear power generation hydraulic valve using smart sensor | |
| CN107165877B (en) | A kind of big orifice extra-high voltage liquid proportional inserted valve dynamic performance and testing | |
| CN203297700U (en) | Pilot operated safety valve | |
| CN106932666A (en) | Multiple-way valve control function method of testing | |
| CN103528769A (en) | Sealing leakage test device for oil-immersed transformer | |
| CN112730075B (en) | Pressure testing device and method for aviation pipeline connecting piece system | |
| CN105443507A (en) | Test bed for simulating common faults of hydraulic systems | |
| CN111353225A (en) | Method for performing predictive maintenance by using digital twin and application | |
| CN203906017U (en) | Emergency intercept device for isolating test signal | |
| CN204534076U (en) | Laddering centralized lubrication system | |
| CN204459571U (en) | Safety by-pass line structure | |
| CN202220962U (en) | Lubricating system with pipeline leakage detecting function | |
| CN101603553A (en) | The equipment that is used for the start-up course valve in the food processing | |
| CN102607826A (en) | Anti-surging valve performance testing table based on PLC (Programmable Logic Controller) and testing method | |
| CN102352952A (en) | Intelligent multi-point centralized lubricating system with pipeline leak detection function | |
| KR101765859B1 (en) | Apparatus for diagnosing efficiency of hydraulic actuator for power plant and method for diagnosing efficiency thereof | |
| CN103257041A (en) | Cylinder head gasket mechanical fatigue simulation test device and method | |
| CN203981845U (en) | Buchholz relay on-site calibration device | |
| CN203835863U (en) | Online monitoring system for engineering-machinery hydraulic oil | |
| CN113803184B (en) | Method for detecting whether pressure limiting valve is clamped at closed position | |
| CN210514303U (en) | Intelligent double-insurance carrier-gas-free online monitoring device for dissolved gas in oil | |
| CN210037462U (en) | Aviation high pressure fuel pipe high temperature pulse test device | |
| CN207923441U (en) | Safety valve test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |