CN207231759U - Unit valve tester - Google Patents
Unit valve tester Download PDFInfo
- Publication number
- CN207231759U CN207231759U CN201720560311.2U CN201720560311U CN207231759U CN 207231759 U CN207231759 U CN 207231759U CN 201720560311 U CN201720560311 U CN 201720560311U CN 207231759 U CN207231759 U CN 207231759U
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- signal
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- 238000002474 experimental method Methods 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 230000009471 action Effects 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a kind of unit valve tester, including：Control module, for controlling the open and close of switching machine set system pattern and Control experiment；Judgment module, for sending valve switch stimulus after the unlatching of control module Control experiment, and judges the valve state according to signal feedback result；Wherein, judgment module judges that valve state is normal in the case where there is feedback signal, in the case of no feedback signal, judges failsafe valve；Under system test pattern, the valve protection interlocking instruction of the machine set system stops output, and under system non-operating state, judgment module sends valve enforced opening signal or valve positive closing signal, carries out the experiment of valve state detection.It can be climbed down the working at height for carrying out solenoid valve solution line and wiring to avoid thermal control personnel are climbed up for releasing valve protection interlocking, greatly save the time, while evaded the security risk of thermal control personnel working at height by above-mentioned experiment.
Description
Technical field
Valves test is the utility model is related to, more particularly to a kind of unit valve tester.
Background technology
The bypass valve in power plant and the important valve of other systems are that hydraulic oil moves control, in order to realize quick closing valve, fast
Open function.There are solenoid directional control valve, oil circuit change-over pilot valve, high-pressure oil pipe, servomotor and supporting high pressure petrol station etc. to set in structure
It is standby, although the devices such as electrical heating, self-loopa filtering are provided with petrol station, since solenoid directional control valve, guiding valve are at the end of oil circuit
Hold this structure and some characteristics of grease so that bite phenomenon, which occurs, for heavy pressure by-pass cooling water valve becomes very possible, especially
It is the cut-off gate of two formulas.If protection act is opened by high under accident conditions soon, and high other desuperheating water shut-off valve or regulating valve
Since bite could not join out, desuperheating water can not spray into attemperator and play a role, then can cause extremely serious consequence, endanger unit
The safety of important component and service life.
Present inventor has found that the such scheme of the prior art has following lack in the process of implementing the utility model
Fall into：During unit operation, when horizontal high voltage of going forward side by side bypasses water spray valves test, operations staff is common with thermal control maintenance personnel
Cooperation, thermal control maintenance personnel first force valve switch feedback signal, and electromagnetic valve coil solution will be closed by then climbing to high-altitude on valve
Line, then climb down to run back to operation bench rapidly, enforced opening instruction is sent to valve, valve is observed after open command is assigned
Whether open, judge whether valve state is normal, after completing this judgement, thermal control personnel also need to climb up high-altitude recovery electromagnetism again
Valve wiring, whether observation valve closes in time, and judges whether valve state is normal；During whole experiment, thermal control personnel need
Take considerable time that the solution line for carrying out valve solenoid coil and wiring act, and it also requires between valve and operation bench
Passes, and working at height equally exists danger.
Utility model content
The purpose of the utility model embodiment is to provide a kind of unit valve tester, which passes through formal in unit
Valve state experiment is carried out to the valve of unit before operation, unlike the prior art, when thermal control personnel need not expend a large amount of
Between climb up and climb down the solution line and the wiring that carry out electromagnetic valve coil and act, can be directly by the unit valve experimental provision to unit
Valve carries out enforced opening and positive closing, and valve state is judged according to the feedback signal of the open and close of valve；
Specifically, which includes control module and judgment module, wherein, control module is by valve by operational mode
Test model is switched to, under test model, the protection interlocking instruction of the valve of machine set system stops output, and judgment module is to valve
Valve open command is sent, lacks the condition of valve protection interlocking at this time, system judges that valve opening instruction is effective, valve root
Breakdown action is performed according to the open command, judgment module and then whether just the state of valve is judged according to the breakdown action of valve
Often, for valve in the case of normally-open, judgment module can receive the feedback signal of valve passback, i.e. judgment module receives
The feedback signal of valve passback then shows that valve opening state is normal；Conversely, judgment module does not receive the feedback letter of valve passback
Number then show failsafe valve；In the case of valve opening state is normal, judgment module continues to send valve closing to the valve
Instruction, under conditions of equally lacking valve protection interlocking, system judges that the valve out code is effective, and valve refers to according to the closing
Order performs closing motion, and judgment module judges whether valve state is normal according to the closing motion of valve, and judgment module can receive
The feedback signal that the feedback signal returned to valve, i.e. judgment module receive valve passback is then showing valve-closed state just
Often, conversely, the feedback signal that judgment module does not receive valve passback then shows failsafe valve.
To achieve these goals, the utility model embodiment provides a kind of unit valve tester：Control module, is used
In the open and close of control switching machine set system pattern and Control experiment；Judgment module, for being controlled in the control module
Experiment sends valve switch stimulus after opening, and judges the valve state according to signal feedback result；Wherein, the judgement
Module judges that valve state is normal in the case where there is feedback signal, in the case of no feedback signal, judges valve event
Barrier；The system model includes：Operational mode, under the operational mode, the valve protection interlocking instruction output of the machine set system
And perform effectively, valve is in normal off status, in the case of valve opening instruction is only received after system operation, performs valve
Breakdown action, in the case where receiving valve out code, performs valve closing motion；Test model, in the experiment mould
Under formula, the valve protection interlocking instruction of the machine set system stops output, and under system non-operating state, the judgment module is sent
Valve enforced opening signal and valve positive closing signal, carry out the experiment of valve state detection.
Optionally, the valve switch stimulus that the judgment module is sent includes：Valve enforced opening signal and valve
Positive closing signal；Wherein, the judgment module valve enforced opening signal, sends according to the valve enforced opening signal
Afterwards, the switch motion of valve, judges the state of valve, is switched to the situation of full open position by completely closed state in valve
Under, judge that valve open mode is normal, in the case where valve end-state is non-fully opens, judge failsafe valve.
Optionally, the valve switch stimulus that the judgment module is sent further includes：Valve positive closing signal；Its
In, valve positive closing signal is described to sentence in the case of valve state judges normally after the breakdown action of the valve
Disconnected module sends the valve positive closing signal, after the judgment module is sent according to the valve closing signal, valve
Switch motion, judges the state of valve, in the case where valve is switched to completely closed state by full open position, judges valve
Door closure state is normal, in the case where valve end-state is non fully-closed, judges failsafe valve.
Optionally, the control module further includes display unit, and multiple touch controlled keys are included on the display unit, the plurality of
Touch controlled key is used for the open and close for controlling switching and the experiment of the pattern of machine set system respectively.
Through the above technical solutions, the unit valve tester can be by right before machine set system operation or in operation
Valve carries out valve state experiment, in the case where system model is switched to test model by control module, valve protection interlocking
Instruction stops output, and control module Control experiment is opened, and after experiment is opened, judgment module sends the experiment that valve is turned on and off
Signal, and the valve state is judged according to signal feedback result；Wherein, the judgment module is in the case where there is feedback signal,
Judge that valve state is normal, in the case of no feedback signal, judge failsafe valve；By above-mentioned experiment can to avoid for solution
The working at height for carrying out solenoid valve solution line and wiring is climbed down except valve protection interlocking climbs up thermal control personnel, when greatling save
Between, while evaded the security risk of the working at height of thermal control personnel.
The further feature and advantage of the utility model embodiment will give specifically in subsequent specific embodiment part
It is bright.
Brief description of the drawings
Attached drawing is that the utility model embodiment is further understood for providing, and a part for constitution instruction,
With being used to explain the utility model embodiment together with following embodiment, but do not form to the utility model embodiment
Limitation.In the accompanying drawings：
Fig. 1 is a kind of structure diagram for unit valve tester that the utility model embodiment provides；
Fig. 2 is a kind of test function schematic diagram for unit valve tester that the utility model embodiment provides.
Embodiment
The embodiment of the utility model embodiment is described in detail below in conjunction with attached drawing.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model embodiment, is not limited to this reality
Use new embodiment.
In the utility model, in the case where not making conversely explanation, the noun of locality that uses such as " upper and lower, left and right ",
" inside and outside ", " remote, near " refer to the direction of refer to the attached drawing, and therefore, use direction term is for illustrating not to be to limit this practicality
It is new.
Fig. 1 shows a kind of structure diagram for unit valve tester that the utility model embodiment provides, such as Fig. 1
Shown, which can include：Control module and judgment module, specifically, the control module is in unit valve
Control machine set system valve mode is switched to test model by operational mode before door experiment, wherein, machine set system is in operation mould
Under formula, the valve protection interlocking instruction of machine set system is exported and performed effectively, and valve is in normal off status, only starts to transport in system
In the case that row late gate receives valve opening instruction, valve opening action is performed, and receiving valve out code
In the case of, perform valve closing motion；On the other hand, open command is sent to valve under system non-operating state, in unit
Under effective output of system valve protection interlocking instruction performs, system judges the valve opening instruction ignore；Enter in system and try
After testing pattern, the protection interlocking instruction of the valve of control module control machine set system stops output, and valve is similarly in Chang Guanzhuan
State；Unlike, under the non-operating state of system, judgment module sends valve enforced opening signal to valve, when valve connects
System judges that the signal is effective when receiving the valve enforced opening signal, and valve is performed to open according to the enforced opening signal and moved
Make, in the case where judgment module has feedback signal, i.e., in the case that valve is normally opened, judgment module judges valve state just
Often；Conversely, in the case where judgment module does not have feedback signal, i.e., valve fails in the case of normally opening, and judgment module is sentenced
Disconnected failsafe valve；In the case of valve opening state is normal, judgment module continues to send valve positive closing signal to valve,
And system judges that the positive closing signal is effective, valve performs closing motion according to the positive closing signal, has in judgment module
In the case of feedback signal, i.e., in the case of valve normal switching-off, judgment module judges that valve state is normal；Conversely, judging
In the case that module does not have feedback signal, i.e., in the case that valve fails normal switching-off, judgment module judges failsafe valve.
Fig. 2 shows a kind of test function schematic diagram for unit valve tester that the utility model embodiment provides,
As shown in Fig. 2, control module can include display unit, and multiple touch controlled keys can also be included on the display unit, this is more
A touch controlled key can include：" experiment of height spray shut-off valve " button, " experiment is opened " button, " experiment is closed " button, wherein, the
Once point touches the instruction of " experiment of height spray shut-off valve " button generation " entering test model " and sends paramount other water spray shut-off valve and patrols
Collect in function group, control module can control machine set system to switch to test model by operational mode, and machine set system enters experiment
Stop the output that the protection interlocking of machine set system valve instructs while pattern, the generation " experiment of " experiment is opened " button is touched by putting
Open " instruction sent in paramount other water spray shut-off valve logic function group, and control module Control experiment is opened, and judgment module is to valve
Valve stimulus is sent, first determines whether that module sends valve enforced opening signal to valve, machine set system judges that the valve is strong
Open signal processed is effective, and valve performs valve opening according to the enforced opening signal and acts, can be by observing whether valve is opened
Open and the open mode of valve judges whether valve is in normal condition, be switched to by completely closed state in valve and beaten completely
In the case of open state, judgment module judges that valve opening procedure is normal, specifically, is not opened in valve or end-state is non-
In the case of full opening of, failsafe valve is judged；According to the judging result of judgment module, in the case of failsafe valve, notice
Locomotive Overhaul personnel carry out failure valve oil circuit switching maintenance process manually；Valve opening experiment is re-started after processing；
In the case of valve opening state is normal, the paramount side of " experiment closing " button generation " experiment is closed " instruction transmission is touched by putting
In shut-off valve logic function group of spraying water, control module Control experiment is closed, and judgment module sends valve positive closing letter to valve
Number, and system judges that the positive closing signal is effective, valve performs closing motion according to the positive closing signal, can pass through sight
Examine whether valve closes and the closed mode of valve judges whether valve is in normal condition, specifically, in valve by complete
In the case that open mode is switched to completely closed state, judgment module judges that valve closing process is normal, is closed in unclosed valve
Or in the case that end-state is non fully-closed, judge failsafe valve；According to the judging result of judgment module, in failsafe valve
In the case of, notice Locomotive Overhaul personnel carry out failure valve oil circuit switching maintenance process manually；Continue after processing
Valve closes experiment；Until experiment Open valve and experiment closing valve process are normal, by putting tactile " height spray shut-off valve again
The instruction of experiment " button generation " exiting test model " is sent in paramount other water spray shut-off valve logic function group, control module control
Machine set system processed switches to operational mode by test model, while the protection interlocking instruction of unit valve starts to export and performs.
In embodiment, in the case where machine set system enters test model, judgment module sends valve to valve and forces
Open signal, under conditions of the protection interlocking of machine set system valve is lacked, system judges that the valve enforced opening signal is effective, high
Side water spray shut-off valve test logic function group is sent the instruction of Open valve to electromagnetism on the spot by output switch parameter passage DO
Valve, controls electromagnetism valve events and then control valve is opened；Likewise, judgment module sends valve positive closing signal to valve,
Under conditions of the protection interlocking of machine set system valve is lacked, system judges that the valve positive closing signal is effective, and high other water spray is cut
Only valve test logic function group is sent the instruction for closing valve to solenoid valve on the spot, control electricity by output switch parameter passage DO
Magnet valve acts and then control valve is closed.
The optional embodiment of the utility model example is described in detail above in association with attached drawing, still, the utility model is implemented
Example is not limited to the detail in the above embodiment, can be right in the range of the technology design of the utility model embodiment
The technical solution of the utility model embodiment carries out a variety of simple variants, these simple variants belong to the utility model embodiment
Protection domain.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is implemented
Example no longer separately illustrates various combinations of possible ways.
It will be appreciated by those skilled in the art that realize that all or part of step in above-described embodiment method is to pass through
Programmed instruction is completed with reference to relevant hardware, the program storage in a storage medium, including some instructions use so that
One (can be microcontroller, chip etc.) or processor (processor) perform the complete of each embodiment the method for the application
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
In addition, can also be combined between a variety of embodiments of the utility model embodiment, as long as
, without prejudice to the thought of the utility model embodiment, it should equally be considered as the utility model embodiment disclosure of that for it.
Claims (4)
- A kind of 1. unit valve tester, it is characterised in that including：Control module, for controlling the open and close of switching machine set system pattern and Control experiment；Judgment module, for sending valve switch stimulus after control module Control experiment unlatching, and according to signal Feedback result judges the valve state；Wherein, the judgment module judges that valve state is normal in the case where there is feedback signal, in the feelings of no feedback signal Under condition, failsafe valve is judged；The system model includes：Operational mode, under the operational mode, the valve protection interlocking instruction of the machine set system is exported and performed effectively, valve In normal off status, in the case of valve opening instruction is only received after system operation, valve opening action is performed, is being received In the case of valve out code, valve closing motion is performed；Test model, under the test model, the valve protection interlocking instruction of the machine set system stops output, in the non-fortune of system Under row state, the judgment module sends valve enforced opening signal or valve positive closing signal, carries out valve state detection Experiment.
- 2. device according to claim 1, it is characterised in that the valve switch stimulus bag that the judgment module is sent Include：Valve enforced opening signal；Wherein, the judgment module, the switch motion of late gate is sent according to the valve enforced opening signal, judges valve State, in the case where valve is switched to full open position by completely closed state, judges that valve open mode is normal, in valve In the case that door end-state is non-fully opens, failsafe valve is judged.
- 3. the apparatus of claim 2, it is characterised in that the valve switch stimulus that the judgment module is sent is also Including：Valve positive closing signal；Wherein, after the breakdown action of the valve, in the case of valve state judges normally, the judgment module sends institute Valve positive closing signal is stated,The judgment module sends the switch motion of late gate according to the valve closing signal, the state of valve is judged, in valve In the case that door is switched to completely closed state by full open position, judge that valve-closed state is normal, in the final shape of valve In the case that state is non fully-closed, failsafe valve is judged.
- 4. according to claim 1-3 any one of them devices, it is characterised in that the control module further includes display unit, Include multiple touch controlled keys on the display unit, the plurality of touch controlled key be used to control respectively the switching of the pattern of machine set system with And the open and close of experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560311.2U CN207231759U (en) | 2017-05-19 | 2017-05-19 | Unit valve tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560311.2U CN207231759U (en) | 2017-05-19 | 2017-05-19 | Unit valve tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231759U true CN207231759U (en) | 2018-04-13 |
Family
ID=61839337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720560311.2U Active CN207231759U (en) | 2017-05-19 | 2017-05-19 | Unit valve tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379316A (en) * | 2020-11-04 | 2021-02-19 | 中广核工程有限公司 | Multi-channel electromagnetic valve detection method and device, computer equipment and storage medium |
-
2017
- 2017-05-19 CN CN201720560311.2U patent/CN207231759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379316A (en) * | 2020-11-04 | 2021-02-19 | 中广核工程有限公司 | Multi-channel electromagnetic valve detection method and device, computer equipment and storage medium |
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