CN106246214B - The condition detecting system and method for electromagnetic priority valve - Google Patents
The condition detecting system and method for electromagnetic priority valve Download PDFInfo
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- CN106246214B CN106246214B CN201610715649.0A CN201610715649A CN106246214B CN 106246214 B CN106246214 B CN 106246214B CN 201610715649 A CN201610715649 A CN 201610715649A CN 106246214 B CN106246214 B CN 106246214B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 85
- 238000005065 mining Methods 0.000 claims abstract description 49
- 230000009471 action Effects 0.000 claims abstract description 27
- 108010001267 Protein Subunits Proteins 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000013024 troubleshooting Methods 0.000 abstract description 8
- 230000000875 corresponding effect Effects 0.000 description 15
- 239000003245 coal Substances 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
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- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Magnetically Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The embodiment of the invention discloses a kind of condition detecting system of electromagnetic priority valve and methods.The system comprises：Electromagnetic pilot valve body；Electromagnetic priority valve state detection module is correspondingly arranged with individual electromagnetic pilot valve body, the mechanical action of the metallic carrier rod for detecting the electromagnetic priority valve valve inner, and feedback operation status signal is given to fully mechanized mining hydraulic support electrohydraulic control system；Fully mechanized mining hydraulic support electrohydraulic control system, it is connect with multiple electromagnetic priority valve state detection modules, working state signal for receiving the electromagnetic priority valve corresponding with each electromagnetic priority valve state detection module detected, and by comparing on-off signal described in the working state signal and corresponding electromagnetic priority valve, judge whether the corresponding electromagnetic pilot valve body breaks down.The condition detecting system and method for electromagnetic priority valve provided in an embodiment of the present invention improve the working efficiency that troubleshooting is carried out to electromagnetic priority valve.
Description
Technical field
The present embodiments relate to technical field of coal mine equipment more particularly to a kind of condition detecting systems of electromagnetic priority valve
And method.
Background technology
Development and extensive use with fully mechanized mining hydraulic support electrohydraulic control system in China, mining intrinsic safety electro magnetic
Pilot valve is (hereinafter referred to as：Electromagnetic priority valve) in electrohydraulic control system using more and more, be play in systems electric signal to
The important function of hydraulic pressure information conversion.And currently, most of electromagnetic priority valves are due to processing technology difficulty height, antipollution on the market
The reasons such as ability is poor, lead to there is larger failure rate in actual use in coal mine work area, it is often necessary to carry out to it
Shutdown maintenance, and usually in a working face, is equipped with thousands of electromagnetic priority valves, once system go wrong need into
When row malfunction elimination, the working condition of electromagnetic priority valve can only be checked one by one, give the troubleshooting band of field maintenance staff
Carry out extreme difficulties, and under efficiency is very low.
Invention content
In view of the above technical problems, an embodiment of the present invention provides a kind of condition detecting system of electromagnetic priority valve and sides
Method, to improve the working efficiency for carrying out troubleshooting to electromagnetic priority valve.
On the one hand, an embodiment of the present invention provides a kind of condition detecting system of electromagnetic priority valve, the system comprises：
Electromagnetic pilot valve body；
Electromagnetic priority valve state detection module is correspondingly arranged with individual electromagnetic pilot valve body, for detecting the electricity
The mechanical action of metallic carrier rod inside magnetic pilot valve body, and feedback operation status signal is to comprehensive mining hydraulic bracket electrichydraulic control
System；
Fully mechanized mining hydraulic support electrohydraulic control system is connect with multiple electromagnetic priority valve state detection modules, for connecing
The working state signal of the electromagnetic priority valve corresponding with each electromagnetic priority valve state detection module detected is received,
And the on-off signal by providing controls the on off operating mode of the electromagnetic priority valve, and by comparing the working state signal
And the on-off signal of corresponding electromagnetic priority valve, judge whether the corresponding electromagnetic pilot valve body breaks down.
On the other hand, the embodiment of the present invention additionally provides a kind of condition detection method of electromagnetic priority valve, the method packet
It includes：
It is exported to the on-off signal of each electromagnetic priority valve, described in control by fully mechanized mining hydraulic support electrohydraulic control system
The break-make of electromagnetic priority valve；
Detect the working state signal of the electromagnetic priority valve by electromagnetic priority valve state detection module, and by the work
The fully mechanized mining hydraulic support electrohydraulic control system is fed back to as status signal；
Pass through the institute of the fully mechanized mining hydraulic support electrohydraulic control system on-off signal and corresponding electromagnetic priority valve
Working state signal is stated, judges whether the electromagnetic priority valve breaks down.
The condition detecting system and method for electromagnetic priority valve provided in an embodiment of the present invention, by electromagnetic pilot valve body
Place's setting electromagnetic priority valve state detection module, and detect electromagnetic priority valve valve using the electromagnetic priority valve state detection module
The working condition of body, and the working condition of the electromagnetic pilot valve body is fed back into comprehensive mining hydraulic bracket electrichydraulic control system
System improves the working efficiency that troubleshooting is carried out to electromagnetic priority valve.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the structure chart of the condition detecting system for the electromagnetic priority valve that first embodiment of the invention provides；
Fig. 2 is the three-dimensional structure diagram of the installation position for the mandril detection unit that first embodiment of the invention provides；
Fig. 3 is the flow chart of the condition detection method for the electromagnetic priority valve that second embodiment of the invention provides；
Fig. 4 is the condition detection method for the electromagnetic priority valve that a kind of preferred embodiment of second embodiment of the invention provides
The flow chart of middle state-detection and feedback.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
First embodiment
Present embodiments provide a kind of technical solution of the condition detecting system of electromagnetic priority valve.In the technical scheme,
The condition detecting system of the electromagnetic priority valve includes：Electromagnetic pilot valve body 13, electromagnetic priority valve state detection module 12, with
And fully mechanized mining hydraulic support electrohydraulic control system 11.
Referring to Fig. 1, the electromagnetic pilot valve body 13 is the valve body for the electromagnetic priority valve for being arranged in coal mine work area.Usually
In the case of, the quantity for the electromagnetic pilot valve body 13 arranged in the condition detecting system of the electromagnetic priority valve is huge.Tool
For body, for general coal mine, the quantity for the electromagnetic pilot valve body 13 arranged on working face should be thousands of.
Moreover, in order to complete the detection for whether being in malfunction to the electromagnetic pilot valve body 13 of above-mentioned enormous amount,
Each electromagnetic pilot valve body 13 is required for electro-hydraulic by electromagnetic priority valve state detection module 12 and the comprehensive mining hydraulic bracket
Control system 11 connects, to complete whether be in the detection of malfunction to each electromagnetic pilot valve body 13.
The electromagnetic priority valve state detection module 12 is correspondingly arranged with the electromagnetic pilot valve body 13.That is,
Setting is there are one electromagnetic pilot valve body on coal mine work area, is just correspondingly arranged that there are one electromagnetic priority valve state detection modules
12.Also, the electromagnetic priority valve state detection module 12 can detect whether the electromagnetic pilot valve body 13 is in failure
State.
More specifically, the electromagnetic priority valve state detection module 12 includes：Electromagnetic valve coil control unit 121, electricity
Magnet valve coil drive unit 122,123, mandril detection unit 124,125, information process unit 126 and status display unit
127、128。
The electromagnetic valve coil that the electromagnetic valve coil control unit 121 directly drives the electromagnetic valve coil by control drives
Moving cell 122,123 controls the electromagnetic valve coil.In the present embodiment, since electromagnetic priority valve namely solenoid valve have
Two groups of electromagnetic valve coils 131,132 being respectively set and mandril 133,134, so, with the electromagnetic valve coil control unit 121
The quantity for the electromagnetic valve coil driving unit 122,123 being connected be also altogether there are two.Specifically, the electromagnetic valve coil control
Unit 121 controls the electromagnetic valve coil driving by exporting control signal to the electromagnetic valve coil driving unit 122,123
The driving of 122,123 pairs of electromagnetic valve coils 131,132 of unit.
Described two electromagnetic valve coil driving units 122,123 are under the control of the electromagnetic valve coil control unit 121
It is respectively used to one electromagnetic valve coil 131,132 of driving.Specifically, the electromagnetic valve coil driving unit 122,123 is by defeated
Go out drive signal, controls the energization and power-off of the corresponding electromagnetic valve coil 131,132.When an electromagnetic valve coil
131, when 132 energization, mechanical action, otherwise, the top occurs with the electromagnetic valve coil 131,132 corresponding mandrils 133,134
Mechanical action does not occur for bar 133,134.When electromagnetic valve coil is powered, mandril moves down.After electromagnetic valve coil power-off, mandril meeting
Original position is reset under the effect of respective spring, signal is received until next time, then execute corresponding actions.
Moreover, when an electromagnetic valve coil 132 is powered, correspond to 11 needle of the fully mechanized mining hydraulic support electrohydraulic control system
Input signal to the solenoid valve is actuating signal Vi2.Correspondingly, when an electromagnetic valve coil 132 powers off, correspond to described
Fully mechanized mining hydraulic support electrohydraulic control system 11 is stationary singnal Vi1 for the input signal of the solenoid valve.
In the present embodiment, since the number of metallic carrier rod 133,134 is two, corresponding mandril detection unit
124,125 number is also two.Specifically, the mandril detection unit 124,125 is by calculating the mandril detection unit
The inductance value variable quantity of detection come judge the metallic carrier rod 133,134 whether there is mechanical action.
Fig. 2 shows the set-up modes and testing principle of the mandril detection unit.Referring to Fig. 2, the mandril detection is single
Member 124 includes two mandril detection sub-units 1241,1242.Two mandril detection sub-units 1241,1242 are known respectively as
One mandril detection sub-unit 1241 and the second mandril detection sub-unit 1242.The first mandril detection sub-unit 1241 and described
Second mandril detection sub-unit 1242 is arranged at different spatial positions in the vertical direction.
The metallic carrier rod 133 includes the boss 1331 of a metal, and 1331 panelling of boss can follow mandril on mandril
Movement and move.Preferably, the boss 1331 is the boss of a cylindrical shape.Relative to the metallic carrier rod 133
The volume of other parts, the boss 1331 is larger.When the boss 1331 detects son close to or far away from first mandril
When unit 1241 and the second mandril detection sub-unit 1242, the first mandril detection sub-unit 1241 and second top
Bar detection sub-unit 1242 is able to detect that the variation of its inductance value.Due to the first mandril detection sub-unit 1241 and institute
State the second mandril detection sub-unit 1242 in the vertical direction be in different positions, when the boss 1331 apart from the two farther out
When, that is, when the metallic carrier rod 133 does not have mechanical action, the difference between the inductance value that the two detects is smaller.And work as
When the boss 1331 is closer apart from the two, that is, when the metallic carrier rod 133 has mechanical action, inductance that the two detects
Differing greatly between value.According to above-mentioned principle, the mandril detection unit 124 is able to detect that the metallic carrier rod 133 is
It is no to have mechanical action.Concrete principle is boss inductance value detected between two detection sub-units, two detection sub-units
Difference is bigger.
Specifically, when the first mandril detection sub-unit 1241 is examined respectively with the second mandril detection sub-unit 1242
When ratio K 1 between the inductance value measured is less than preset ratio critical value K0, the mandril detection unit 124 judges described
There are mechanical actions for metallic carrier rod 133.Critical value K0 can be compared by initial inductance value Lr, Ls of detection sub-unit, inside
Coefficient n, regulation resistance r are arranged, K0=(Ls/Lr) * (r/50) * n.Described information processing unit 126 is detected with the mandril
Unit 124 connects, and the information for being detected to the mandril detection unit 124 handles, to the metallic carrier rod 133,
Whether 134 have mechanical action to be judged, and will determine that result feeds back to the fully mechanized mining hydraulic support electrohydraulic control system 11.This
Place, the judging result can be used to refer to the working condition of the electromagnetic priority valve, and therefore, the judging result is exactly described
The working state signal of electromagnetic pilot valve body 13.If judging result, which is metallic carrier rod, mechanical action, the electromagnetism is first
The working state signal of pilot valve valve body 13 exports Vo2.If when if mechanical action does not occur for metallic carrier rod for judging result, it is described
The working state signal of electromagnetic pilot valve body 13 exports Vo1.
After the working state signal for getting the electromagnetic pilot valve body 13, the electromagnetic priority valve state-detection mould
The working state signal is sent to the fully mechanized mining hydraulic support electrohydraulic control system 11 by block 12.
The status display unit 127,128 is connect with described information processing unit 126, for the judging result into
Row display.
The fully mechanized mining hydraulic support electrohydraulic control system 11 is connect with each electromagnetic priority valve state detection module 12, is received
Working state signal Vo1, Vo2 that the electromagnetic priority valve state detection module 12 transmits, and by the working state signal
On-off signal Vi1, Vi2 of Vo1, Vo2 electromagnetic priority valve on off operating mode corresponding with the control that it sends out are compared, if Vi1=
Vo2 or Vi2=Vo2 then judges that this electromagnetic priority valve working condition is normal, otherwise, judges that electromagnetic priority valve is in malfunction.
For example, if the on-off signal of an electromagnetic priority valve indicates that the electromagnetic priority valve should be in the conduction state, and the work of the valve
It indicates that the electromagnetic priority valve is off state as status signal, then can be determined that event has occurred in the electromagnetic priority valve
Barrier.
The fully mechanized mining hydraulic support electrohydraulic control system 11 is made of multiple sub- electrohydraulic control systems, each subsystem pair
It should be connect with 10 or so the electromagnetic priority valves.The subsystem detects electromagnetic priority valve connected to it with the presence or absence of event
Barrier, and the position of the electromagnetic priority valve currently to break down (ID) information is collected into fully mechanized mining hydraulic support electrohydraulic control system
In server, centralized displaying is carried out.It is shown furthermore it is also possible to which these data are uploaded to return airway monitor supervision platform.
Staff can uniformly be checked in work at present face electromagnetic pilot occur by the server or monitor supervision platform of working face
Valve location of fault and quantity, and then facilitate unified investigation, to improve the working efficiency for carrying out troubleshooting to electromagnetic priority valve.
The present embodiment with the electromagnetic pilot valve body by being correspondingly arranged electromagnetic priority valve state detection module, and by institute
It states electromagnetic priority valve state detection module to connect with the fully mechanized mining hydraulic support electrohydraulic control system, improve to electromagnetic priority valve
Carry out the working efficiency of troubleshooting.
Second embodiment
Present embodiments provide a kind of technical solution of the condition detection method of electromagnetic priority valve.In the technical scheme,
The condition detection method of the electromagnetic priority valve includes：Each electromagnetic pilot is exported by fully mechanized mining hydraulic support electrohydraulic control system
The on-off signal of valve, to control the break-make of the electromagnetic priority valve；Each institute is detected by electromagnetic priority valve state detection module
The working state signal of electromagnetic priority valve is stated, and the working state signal is fed back into the comprehensive mining hydraulic bracket electrichydraulic control
System；Pass through the work of the fully mechanized mining hydraulic support electrohydraulic control system on-off signal and corresponding electromagnetic priority valve
Make status signal, judges whether the electromagnetic priority valve breaks down.
Referring to Fig. 3, the condition detection method of the electromagnetic priority valve includes：
S31 exports the on-off signal of each electromagnetic priority valve by fully mechanized mining hydraulic support electrohydraulic control system, to control
State the break-make of electromagnetic priority valve.
It is kept between the fully mechanized mining hydraulic support electrohydraulic control system and each electromagnetic priority valve on coal mine work area
Electrical connection.By being electrically connected between each electromagnetic priority valve, the fully mechanized mining hydraulic support electrohydraulic control system is to each electricity
Magnetic pilot valve exports on-off signal, to control the break-make of each electromagnetic priority valve.
Specifically, when needing corresponding electromagnetic priority valve conducting, the fully mechanized mining hydraulic support electrohydraulic control system output
Actuating signal Vi2, and when needing corresponding electromagnetic pilot valve breakdown, the static letter of comprehensive mining hydraulic bracket electrohydraulic system output
Number Vi1.
The fully mechanized mining hydraulic support electrohydraulic control system is made of multiple sub- electrohydraulic control systems, and each subsystem corresponds to
It is connect with 10 or so the electromagnetic priority valves.
S32 detects the working state signal of each electromagnetic priority valve by electromagnetic priority valve state detection module, and
The working state signal is fed back into the fully mechanized mining hydraulic support electrohydraulic control system.
Fig. 4 shows the flow chart of the detection and feedback operation of above-mentioned working state signal.Referring to Fig. 4, pass through electromagnetism elder generation
Pilot valve state detection module detects the working state signal of electromagnetic priority valve, and the working state signal is fed back to described comprehensive
Mining hydraulic support electrohydraulic control system includes：
S41 judges that the metallic carrier rod inside the electromagnetic priority valve whether there is mechanical action by detecting inductance value.
Specifically, two different mandril detection sub-units are set in the different location along metallic carrier rod direction, and in institute
The cylinder boss that metal is set on mandril is stated, so that when cylinder boss is in different location, two mandril detection sub-units
The inductance value of internal inductance can change.At this point, two respective inductance values of mandril detection sub-unit of detection, and acquire two
Ratio between a inductance value.When this ratio K 1 is less than critical value K0, it will be able to judge that the metallic carrier rod has machinery
Action.
S42 whether there is mechanical action according to the metallic carrier rod, generate the working condition letter of the electromagnetic priority valve
Number.
The working state signal is indicated for the signal that current metallic carrier rod whether there is mechanical action.Preferably,
The working state signal can be a binary signal.When the metallic carrier rod is there are when mechanical action, the work shape of generation
The value of state signal is true, and when mechanical action is not present in the metallic carrier rod, the value of the working state signal of generation is
It is false.
It further, can also be by the status display that is arranged in system after generating the working state signal
Unit shows the working state signal.Preferably, the status display unit is by driving light emitting diode
(Light emitting diode, LED) shows working state signal.Moreover, the status display unit is set
It sets and is correspondingly arranged with the electromagnetic valve coil in the electromagnetic pilot valve body.That is, there are an electromagnetic valve coil, it is being
A corresponding status display unit is just provided in system.
The working state signal is fed back to the fully mechanized mining hydraulic support electrohydraulic control system by S43.
After the generation for completing the working state signal, the working state signal generated is fed back into the fully mechanized mining liquid
Support electrohydraulic control system is pressed, so that the fully mechanized mining hydraulic support electrohydraulic control system is according to the work shape of each electromagnetic priority valve
State, judges whether each electromagnetic priority valve is in malfunction.
S33 passes through the fully mechanized mining hydraulic support electrohydraulic control system on-off signal and corresponding electromagnetic priority valve
The working state signal, judge whether the electromagnetic priority valve breaks down.
Illustratively, if the on-off signal of an electromagnetic priority valve indicates that the electromagnetic priority valve should be on shape
State, and the working state signal of this electromagnetic priority valve then indicates that the electromagnetic priority valve should be off state, then can sentence
There is failure in the fixed electromagnetic priority valve.It in other words, can be according to the on-off signal and the work shape of same electromagnetic pilot valve
Whether the working condition indicated by state signal is consistent, and whether one electromagnetic priority valve of judgement failure occurs.
The above-mentioned judgement whether broken down for electromagnetic priority valve is completed by fully mechanized mining hydraulic support electrohydraulic control system
's.The fully mechanized mining hydraulic support electrohydraulic control system is made of multiple sub- electrohydraulic control systems.The subsystem detects and it
The electromagnetic priority valve of connection whether there is failure, and the position of the electromagnetic priority valve currently to break down (ID) information is collected into
In the server of fully mechanized mining hydraulic support electrohydraulic control system, centralized displaying is carried out.Furthermore it is also possible to which these data are uploaded to work
Make face crossheading monitor supervision platform to be shown.Staff can uniformly be checked by the server or monitor supervision platform of working face
In work at present face, there is electromagnetic priority valve location of fault and quantity, and then facilitate unified investigation, to improve to electromagnetic pilot
Valve carries out the working efficiency of troubleshooting.
The present embodiment exports each electromagnetic pilot valve control signal by fully mechanized mining hydraulic support electrohydraulic control system, with control
The break-make of the electromagnetic priority valve detects the work shape of each electromagnetic priority valve by electromagnetic priority valve state detection module
State signal, and the working state signal is fed back into the fully mechanized mining hydraulic support electrohydraulic control system, and by described comprehensive
The work shape of the mining hydraulic support electrohydraulic control system electromagnetic pilot valve control signal and corresponding electromagnetic priority valve
State signal, judges whether the electromagnetic priority valve breaks down, and improves the work effect that troubleshooting is carried out to electromagnetic priority valve
Rate.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For, the present invention can have various modifications and changes.It is all within spirit and principles of the present invention made by any modification, equivalent
Replace, improve etc., it should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of condition detecting system of electromagnetic priority valve, which is characterized in that including：
Electromagnetic pilot valve body；
Electromagnetic priority valve state detection module is correspondingly arranged with individual electromagnetic pilot valve body, first for detecting the electromagnetism
The mechanical action of the metallic carrier rod of pilot valve valve inner, and feedback operation status signal is to comprehensive mining hydraulic bracket electrichydraulic control system
System；
Fully mechanized mining hydraulic support electrohydraulic control system is connect with multiple electromagnetic priority valve state detection modules, for receiving inspection
The working state signal of the electromagnetic priority valve corresponding with each electromagnetic priority valve state detection module measured, and
Control the on off operating mode of the electromagnetic priority valve by the on-off signal provided, and by comparing the working state signal and right
The on-off signal for answering electromagnetic priority valve, judges whether the corresponding electromagnetic pilot valve body breaks down；
Wherein, the electromagnetic priority valve state detection module includes：Mandril detection unit, for detecting the electromagnetic priority valve valve
The mechanical action of metallic carrier rod in body；For identical mandril, the mandril detection unit includes different two in installation position
A mandril detection sub-unit, the inductance value that the mandril detection unit is detected respectively by two mandril detection sub-units it
Between difference degree judge the metallic carrier rod whether there is mechanical action, the inductance value is because of boss position in the metallic carrier rod
The variation set and change.
2. system according to claim 1, which is characterized in that the electromagnetic priority valve state detection module includes：
Electromagnetic valve coil control unit, the energized state of the electromagnetic valve coil for controlling the electromagnetic pilot valve body；
Electromagnetic valve coil driving unit, the electromagnetic valve coil for driving the electromagnetic pilot valve body.
3. system according to claim 2, which is characterized in that the electromagnetic priority valve state detection module further includes：
Information process unit is connect with the mandril detection unit, the information for being detected to the mandril detection unit into
Whether row processing, have mechanical action to judge the metallic carrier rod, and will determine that result feeds back to the fully mechanized mining hydraulic pressure branch
Frame electrohydraulic control system.
4. system according to claim 3, which is characterized in that the electromagnetic priority valve state detection module further includes：
Status display unit is connect with described information processing unit, for being shown to the judging result.
5. system according to claim 1, which is characterized in that the mandril detection unit is by examining two mandrils
The ratio between the inductance value that subelement detects respectively is surveyed, is compared with preset critical value, when the ratio is less than described
When critical value, judge that there are mechanical actions for the metallic carrier rod, and when the ratio is more than or equal to the critical value, sentences
Mechanical action is not present in the fixed metallic carrier rod.
6. a kind of condition detection method of electromagnetic priority valve, which is characterized in that including：
The on-off signal that each electromagnetic priority valve is exported by fully mechanized mining hydraulic support electrohydraulic control system, it is first to control the electromagnetism
The break-make of pilot valve；
Detect the working state signal of each electromagnetic priority valve by electromagnetic priority valve state detection module, and by the work
The fully mechanized mining hydraulic support electrohydraulic control system is fed back to as status signal；
Pass through the work of the fully mechanized mining hydraulic support electrohydraulic control system on-off signal and corresponding electromagnetic priority valve
Make status signal, judges whether the electromagnetic priority valve breaks down；
Wherein, the ratio between the inductance value detected by the two mandril detection sub-units that will be arranged on different location,
It is compared with preset critical value, judges that metallic carrier rod whether there is mechanical action, generate the working state signal.
7. according to the method described in claim 6, it is characterized in that, detecting each institute by electromagnetic priority valve state detection module
The working state signal of electromagnetic priority valve is stated, and the working state signal is fed back into the comprehensive mining hydraulic bracket electrichydraulic control
System includes：
By the inductance value of detection, judge that the metallic carrier rod inside the electromagnetic priority valve whether there is mechanical action；
It whether there is mechanical action according to the metallic carrier rod, generate the working state signal of the electromagnetic priority valve；
The working state signal is fed back into the fully mechanized mining hydraulic support electrohydraulic control system.
8. according to the method described in claim 6, it is characterized in that, the critical value can be adjusted according to actual conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715649.0A CN106246214B (en) | 2016-08-24 | 2016-08-24 | The condition detecting system and method for electromagnetic priority valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715649.0A CN106246214B (en) | 2016-08-24 | 2016-08-24 | The condition detecting system and method for electromagnetic priority valve |
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| Publication Number | Publication Date |
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| CN106246214A CN106246214A (en) | 2016-12-21 |
| CN106246214B true CN106246214B (en) | 2018-11-06 |
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| CN201610715649.0A Active CN106246214B (en) | 2016-08-24 | 2016-08-24 | The condition detecting system and method for electromagnetic priority valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112147442B (en) * | 2020-09-24 | 2023-07-18 | 潍柴动力股份有限公司 | Electromagnetic valve fault detection method and device, vehicle and storage medium |
| CN114738545B (en) * | 2022-05-07 | 2024-07-23 | 北京北方华创微电子装备有限公司 | Valve control device and method, and semiconductor processing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102004017712B4 (en) * | 2003-05-14 | 2019-05-09 | Tiefenbach Control Systems Gmbh | Hydraulic control for longwall construction |
| CN102373938A (en) * | 2011-11-18 | 2012-03-14 | 郑州煤矿机械集团股份有限公司 | Electromagnetic valve driver |
| CN104453969B (en) * | 2014-10-10 | 2017-01-25 | 广州日滨科技发展有限公司 | Electromagnetic valve monitoring method and system |
| CN204225913U (en) * | 2014-10-14 | 2015-03-25 | 广州日滨科技发展有限公司 | Electromagnetic valve driver |
| CN104482284B (en) * | 2014-11-07 | 2016-08-31 | 广州日滨科技发展有限公司 | A kind of mining hydraulic electromagnetic valve |
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