CN105806598B - A kind of hydraulic butterfly valve detection method and warning system - Google Patents
A kind of hydraulic butterfly valve detection method and warning system Download PDFInfo
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- CN105806598B CN105806598B CN201410841079.0A CN201410841079A CN105806598B CN 105806598 B CN105806598 B CN 105806598B CN 201410841079 A CN201410841079 A CN 201410841079A CN 105806598 B CN105806598 B CN 105806598B
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Abstract
The invention discloses a kind of hydraulic butterfly valve detection method and warning system, this method is issued to fully closed blackout, opens to 15 ° of signals and send and standard-sized sheet signal sends the first opening time, the second opening time and the 3rd opening time used by detecting from the open command of the hydraulic butterfly valve, then contrasted with the first unlatching preset time, the second unlatching preset time and the 3rd unlatching preset time, alarmed if the opening time detected is beyond corresponding unlatching preset time respectively.Method provided by the present invention is monitored in real time by the signal of interest to the hydraulic butterfly valve, and the signal of exception is automatically sent into alarm, can timely be noted abnormalities signal, it ensure that the promptness and accuracy of alarm, the detection in dynamic process to signal of interest is realized, effectively raises automation warning level.The invention also discloses a kind of warning system based on above-mentioned detection method.
Description
Technical field
The present invention relates to detection technique field, more particularly to a kind of hydraulic butterfly valve detection method and warning system.
Background technology
Water circulating pump hydraulic butterfly valve is an important auxiliary equipment of coal-burning power plant's circulation, can under state of necessity
Prevent water circulating pump from reversing.Hydraulic butterfly valve warning system predominantly detects following signal at present：Hydraulic butterfly valve standard-sized sheet signal, liquid
Whether the fully closed signal of control butterfly valve, hydraulic butterfly valve close is more than 0.28MPa to 15 ° of signals and water circulating pump outlet pressure or is less than
0.1MPa etc..
In the prior art, the detection method of hydraulic butterfly valve is：When the signal that some needs detects is sent, report can be triggered
Alarm device, alarmed.In water circulating pump normal operation, hydraulic butterfly valve standard-sized sheet, follow pump discharge pressure and be normally shown as
0.16Mpa, if now standard-sized sheet blackout, fully closed signal are sent out, hydraulic butterfly valve closes to 15 ° of signals and misses hair or water circulating pump by mistake
Outlet pressure phenomena such as being less than 0.1Mpa when occurring, warning device can send alarm.
For hydraulic butterfly valve detection method of the prior art, normally switch the when of falling pump in water circulating pump, close hydraulic control butterfly
Should be sent during valve hydraulic butterfly valve close to 15 ° alarm and follow pump discharge pressure more than 0.28Mpa alarm, however, work as
When switching damage or pressure transmitter sampling line block, the alarm signal that send would not be sent, can not be eliminated in time
Defect, if only the inspection by operations staff and maintainer, it is difficult to ensure to find the promptness of defect, to unit safety
Bring harm.
Therefore, the promptness and accuracy of hydraulic butterfly valve detection alarm how are improved, is that those skilled in the art need at present
Technical problems to be solved.
The content of the invention
It is an object of the invention to provide a kind of hydraulic butterfly valve detection method and warning system, to improve hydraulic butterfly valve detection report
Alert promptness and accuracy.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of hydraulic butterfly valve detection method, comprises the following steps：
S100：After the water circulating pump for being provided with hydraulic butterfly valve starts, the open command of the hydraulic butterfly valve is sent；
S101：Detecting the first opening time that the hydraulic butterfly valve is issued to from open command used in fully closed blackout is
It is no to be more than the first unlatching preset time, if it is not, then into step S102, if it is, entering step S102 after alarm；
S102：The hydraulic butterfly valve is detected to be issued to out from open command when sending used second to 15 ° of signals and opening
Between whether be more than second and open preset time, if it is not, then into step S103, if it is, entering step S103 after alarm；
S103：Detect the hydraulic butterfly valve and from open command be issued to standard-sized sheet signal and send the 3rd opening time used and be
It is no to be more than the 3rd unlatching preset time, if it is not, then the hydraulic butterfly valve completes breakdown action, if it is, alarm；
Described first, which opens preset time, is less than the described second unlatching preset time, and the second unlatching preset time is less than
Described 3rd opens preset time.
Preferably, also comprise the following steps before step S101：
Whether the outlet pressure for detecting the water circulating pump is more than the first preset pressure, if it is, into step S101,
If it is not, then enter step S101 after alarm.
Preferably, also comprise the following steps before step S103：
The hydraulic butterfly valve is detected to be issued to used in the outlet pressure recovery normally of the water circulating pump from open command
Whether the 4th opening time, which was more than the 4th, is opened preset time, if it is not, then into step S103, if it is, alarm is laggard
Enter step S103；
It is described 4th open preset time between described second open preset time with the described 3rd open preset time it
Between.
Preferably, above-mentioned detection method also comprises the following steps：
S400：After the water circulating pump for being provided with hydraulic butterfly valve is closed, the out code of the hydraulic butterfly valve is sent；
S401：Detecting the first shut-in time that the hydraulic butterfly valve self closing instruction is issued to used in standard-sized sheet blackout is
It is no to be more than the first closing preset time, if it is not, then into step S402, if it is, entering step S402 after alarm；
S402：Detect hydraulic butterfly valve self closing instruction and be issued to and close when sending used second to 15 ° of signals and closing
Between whether be more than second and close preset time, if it is not, then into step S403, if it is, entering step S403 after alarm；
S403：Detect hydraulic butterfly valve self closing instruction and be issued to fully closed signal and send the 3rd shut-in time used and be
It is no to be more than the 3rd closing preset time, if it is not, then the hydraulic butterfly valve completes closing motion, if it is, alarm；
Described first, which closes preset time, is less than the described second closing preset time, and the second closing preset time is less than
Described 3rd closes preset time.
Preferably, also comprise the following steps before step S402：
Detect hydraulic butterfly valve self closing instruction and be issued to the outlet pressure more than the used in the first preset pressure
Whether four shut-in times, which were more than the 4th, is closed preset time, if it is not, then into step S402, if it is, entering after alarm
Step S402；
It is described 4th close preset time between described first close preset time with described second close preset time it
Between.
A kind of hydraulic butterfly valve detects warning system, including：
Detection module, opened for detecting from the hydraulic butterfly valve to the first opening time used in fully closed blackout,
Detect and opened from the hydraulic butterfly valve to the second opening time used in sending is opened to 15 ° of signals, detect and sent from open command
The 3rd opening time used is sent to standard-sized sheet signal；
Memory module, preset time, the second unlatching preset time and the 3rd unlatching preset time are opened for storing first；
Warning device, it can be alarmed according to delivering is judged；
Judge module, preset time is opened for judging whether first opening time is more than first, if it is, touching
Sending out warning device described sends alarm, if it is not, then judge whether second opening time is more than second and opens preset time,
If it is, triggering the warning device sends alarm, if it is not, then judging whether the 3rd opening time was more than the 3rd and opens in advance
If the time, if it is, triggering the warning device sends alarm；
Described first, which opens preset time, is less than the described second unlatching preset time, and the second unlatching preset time is less than
Described 3rd opens preset time.
Preferably, above-mentioned warning system also includes：
Pressure transmitter, tied for measuring the outlet pressure for the water circulating pump for being provided with the hydraulic butterfly valve, and by measurement
Fruit is sent to the judge module；
The memory module, it is additionally operable to store the first preset pressure；
The judge module, it is additionally operable to judge whether the outlet pressure is more than first preset pressure, if described
Outlet pressure is more than first preset pressure, then triggers the warning device and send alarm.
Preferably, the detection module, is additionally operable to detect the hydraulic butterfly valve and is issued to the recirculated water from open command
The outlet pressure of pump recovers normal 4th opening time used, and the 4th opening time is passed into the judgement mould
Block；
The memory module, it is additionally operable to storage the 4th and opens preset time；
The judge module, it is additionally operable to judge whether the 4th opening time is more than the described 4th and opens preset time,
If the 4th opening time, which is more than the described 4th, opens preset time, trigger the warning device and send alarm；
It is described 4th open preset time between described second open preset time with the described 3rd open preset time it
Between.
Preferably, the detection module, is additionally operable to detect the hydraulic butterfly valve self closing instruction and is issued to standard-sized sheet signal and disappear
The first shut-in time become homeless, detect the hydraulic butterfly valve and be issued to close to 15 ° of signals from open command and send used the
Two shut-in times, detect the hydraulic butterfly valve and be issued to fully closed signal from open command and send the 3rd shut-in time used；
Memory module, when being additionally operable to the closing of storage first preset time, the second closing preset time and default the 3rd closing
Between；
Judge module, preset time is closed for judging whether first shut-in time is more than first, if it is, touching
Sending out warning device described sends alarm, if it is not, then judge whether second shut-in time is more than second and closes preset time,
If it is, triggering the warning device sends alarm, if it is not, then judging whether the 3rd shut-in time was more than the 3rd and closes in advance
If the time, if it is, triggering the warning device sends alarm.
Described first, which closes preset time, is less than the described second closing preset time, and the second closing preset time is less than
Described 3rd closes preset time.
Preferably, the detection module, it is additionally operable to detect the hydraulic butterfly valve self closing instruction and is issued to the outlet pressure
Power is more than the 4th shut-in time used in the first preset pressure；
The memory module, it is additionally operable to storage the 4th and closes preset time；
The judge module, it is additionally operable to judge whether the 4th shut-in time is more than the described 4th and closes preset time,
If the 4th shut-in time, which is more than the described 4th, closes preset time, trigger the warning device and send alarm；
It is described 4th close preset time between described first close preset time with described second close preset time it
Between.
Hydraulic butterfly valve detection method and warning system provided by the present invention, by detecting the unlatching from the hydraulic butterfly valve
Instruction is issued to fully closed blackout, opens to 15 ° of signals and sends and standard-sized sheet signal sends the first opening time used, second
Opening time and the 3rd opening time, to be detected to three kinds of signal of interests, then respectively by above-mentioned three kinds of time and first
Open preset time, the second unlatching preset time and the 3rd unlatching preset time to be contrasted, compare the first opening time, the
Whether two opening times and the 3rd opening time, which are more than first, is opened preset time, the second unlatching preset time and the 3rd unlatching
Preset time, if greater than then being alarmed.This method and system are real-time by being carried out to the signal of interest of the hydraulic butterfly valve
Monitoring, and the signal of exception automatically is sent into alarm, can timely note abnormalities signal, ensure that the promptness of alarm with
Accuracy, the detection in dynamic process to signal of interest is realized, effectively raises automation warning level.
In a preferred embodiment, method provided by the present invention is also entered before the first startup time is detected
Row detects to the outlet pressure of the water circulating pump, judges whether the outlet pressure is more than the first preset pressure, if
The outlet pressure is more than first preset pressure, then sends alarm, and this method can start first in the hydraulic butterfly valve
Beginning state is judged the whether normal of the hydraulic butterfly valve, now if sending alarm, is then illustrated at the hydraulic butterfly valve
In normal condition.
Brief description of the drawings
The hydraulic butterfly valve detection method flow chart that Fig. 1 is provided by the embodiment of the present invention one；
The hydraulic butterfly valve detection method flow chart that Fig. 2 is provided by the embodiment of the present invention two；
The hydraulic butterfly valve detection method flow chart that Fig. 3 is provided by the embodiment of the present invention three；
The hydraulic butterfly valve detection method flow chart that Fig. 4 is provided by the embodiment of the present invention four；
The hydraulic butterfly valve detection method flow chart that Fig. 5 is provided by the embodiment of the present invention five；
Fig. 6 is the structural representation of hydraulic butterfly valve warning system provided by the present invention.
Embodiment
The core of the present invention is to provide a kind of hydraulic butterfly valve detection method and warning system, to improve hydraulic butterfly valve detection report
Alert promptness and accuracy.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is refer to, the hydraulic butterfly valve detection method that Fig. 1 is provided by the embodiment of the present invention one, is comprised the following steps：
S100：After the water circulating pump for being provided with hydraulic butterfly valve starts, the open command of hydraulic butterfly valve is sent；
S101：Whether the first opening time that detection hydraulic butterfly valve is issued to from open command used in fully closed blackout is big
Preset time is opened in first, if it is not, then into step S102, if it is, entering step S102 after alarm；
S102：Detection hydraulic butterfly valve is issued to out from open command to be sent the second opening time used to 15 ° of signals and is
It is no to be more than the second unlatching preset time, if it is not, then into step S103, if it is, entering step S103 after alarm；
S103：Whether detection hydraulic butterfly valve to send the 3rd opening time used big if from open command being issued to standard-sized sheet signal
Preset time is opened in the 3rd, if it is not, then hydraulic butterfly valve completes breakdown action, if it is, alarm.
Because in detection process, each signal is detected successively, therefore first opens preset time less than the second unlatching
Preset time, second, which opens preset time, is less than the 3rd unlatching preset time.
By taking water circulating pump hydraulic butterfly valve as an example, above-mentioned preset time can be：First unlatching preset time is 2s, and second opens
It is 20s to open preset time, and the 3rd unlatching preset time is 45s.In detection process, it is more than when the first opening time detected
During 2s, alarm will be triggered, when detecting that the second opening time was more than 20s, can also trigger alarm, when detect the 3rd unlatching
When time is more than 45s, alarm can be equally triggered, after alarm is sent, effectively can timely find hydraulic control butterfly for staff
The action progress and fault state of valve.
By above method step, the embodiment of the present invention is issued to entirely by detecting from the open command of hydraulic butterfly valve
OFF signal disappears, opens to 15 ° of signals and sends and standard-sized sheet signal sends the first opening time used, the second opening time and the
Three opening times, three kinds of signal of interests are carried out with implementation monitoring, the signal of exception automatically can be sent alarm by this method,
Can timely be noted abnormalities signal, be ensure that the promptness and accuracy of alarm, realized to signal of interest in dynamic process
In detection, effectively raise automation warning level.
Fig. 2 is refer to, the hydraulic butterfly valve detection method that Fig. 2 is provided by the embodiment of the present invention two, is comprised the following steps：
S200：After the water circulating pump for being provided with hydraulic butterfly valve starts, the open command of hydraulic butterfly valve is sent；
S201：Whether the outlet pressure of detection water circulating pump is more than the first preset pressure, if it is, into step
S202, if it is not, then entering step S202 after alarm；
S202：Whether the first opening time that detection hydraulic butterfly valve is issued to from open command used in fully closed blackout is big
Preset time is opened in first, if it is not, then into step S203, if it is, entering step S203 after alarm；
S203：Detection hydraulic butterfly valve is issued to out from open command to be sent the second opening time used to 15 ° of signals and is
It is no to be more than the second unlatching preset time, if it is not, then into step S204, if it is, entering step S204 after alarm；
S204：Whether detection hydraulic butterfly valve to send the 3rd opening time used big if from open command being issued to standard-sized sheet signal
Preset time is opened in the 3rd, if it is not, then hydraulic butterfly valve completes breakdown action, if it is, alarm.
Whether the outlet pressure that above-described embodiment adds detection water circulating pump compared to embodiment one is default more than first
The step of pressure, this method can the original state that hydraulic butterfly valve starts to the outlet pressure of water circulating pump it is whether normal enter
Row judges, now if sending alarm, then illustrates that water circulating pump is in normal operating condition.
Fig. 3 is refer to, the hydraulic butterfly valve detection method that Fig. 3 is provided by the embodiment of the present invention three, is comprised the following steps：
S300：After the water circulating pump for being provided with hydraulic butterfly valve starts, the open command of hydraulic butterfly valve is sent；
S301：Whether the outlet pressure of detection water circulating pump is more than the first preset pressure, if it is, into step
S302, if it is not, then entering step S302 after alarm；
S302：Whether the first opening time that detection hydraulic butterfly valve is issued to from open command used in fully closed blackout is big
Preset time is opened in first, if it is not, then into step S303, if it is, entering step S303 after alarm；
S303：Detection hydraulic butterfly valve is issued to out from open command to be sent the second opening time used to 15 ° of signals and is
It is no to be more than the second unlatching preset time, if it is not, then into step S304, if it is, entering step S304 after alarm；
S304：Detection hydraulic butterfly valve is issued to the 4th used in the outlet pressure recovery normally of water circulating pump from open command
Whether the opening time, which is more than the 4th, is opened preset time, if it is not, then into step S305, if it is, entering step after alarm
Rapid S305；
S305：Whether detection hydraulic butterfly valve to send the 3rd opening time used big if from open command being issued to standard-sized sheet signal
Preset time is opened in the 3rd, if it is not, then hydraulic butterfly valve completes breakdown action, if it is, alarm.
4th unlatching preset time can be 30s, be opened between second between preset time and the 3rd unlatching preset time.
Above-described embodiment compare with embodiment two add detection hydraulic butterfly valve from open command be issued to standard-sized sheet signal hair
The step of whether going out the 3rd opening time used more than the 3rd unlatching preset time, the embodiment not only goes out to water circulating pump
Whether mouthful pressure has carried out initial judgement, and in preset time recover normally also to enter for the outlet pressure of water circulating pump
Detection is gone, the embodiment can timely send alarm when pressure transmitter sampling line blocks.
Fig. 4 is refer to, the hydraulic butterfly valve detection method that Fig. 4 is provided by the embodiment of the present invention four, is comprised the following steps：
S400：After the water circulating pump for being provided with hydraulic butterfly valve is closed, the out code of hydraulic butterfly valve is sent；
S401：Whether the first shut-in time that the self closing instruction of detection hydraulic butterfly valve is issued to used in standard-sized sheet blackout is big
Preset time is closed in first, if it is not, then into step S402, if it is, entering step S402 after alarm；
S402：Detection hydraulic butterfly valve self closing instruction is issued to close and sends the second shut-in time used to 15 ° of signals and be
It is no to be more than the second closing preset time, if it is not, then into step S403, if it is, entering step S403 after alarm；
S403：Whether detection hydraulic butterfly valve self closing instruction to send the 3rd shut-in time used big if being issued to fully closed signal
Preset time is closed in the 3rd, if it is not, then hydraulic butterfly valve completes closing motion, if it is, alarm.
Because in detection process, each signal is detected successively, therefore first closes preset time less than the second closing
Preset time, second, which closes preset time, is less than the 3rd closing preset time.
Equally by taking water circulating pump hydraulic butterfly valve as an example, above-mentioned preset time can be：First closing preset time is 2s, the
Two closing preset times are 30s, and the 3rd closing preset time is 45s.Alarm can be triggered when the first shut-in time being more than 2s, when
When second shut-in time was more than 30s, alarm can be also triggered, when the 3rd shut-in time being more than 45s, can equally trigger alarm, with
Staff is provided to check in time.
Above-described embodiment is close with the effect of embodiment one, when hydraulic butterfly valve is closed, several signal of interests is carried out real-time
Monitoring, ensure that in hydraulic butterfly valve dynamic closing process, signal of interest can timely feed back, and avoid prior art
In, the defects of signal is alarmed can not be sent due to switching damage, be effectively guaranteed hydraulic butterfly valve detection alarm and
When property and correctness.
Fig. 5 is refer to, the hydraulic butterfly valve detection method that Fig. 5 is provided by the embodiment of the present invention five, is comprised the following steps：
S500：After the water circulating pump for being provided with hydraulic butterfly valve is closed, the out code of hydraulic butterfly valve is sent；
S501：Whether the first shut-in time that the self closing instruction of detection hydraulic butterfly valve is issued to used in standard-sized sheet blackout is big
Preset time is closed in first, if it is not, then into step S502, if it is, entering step S502 after alarm；
S502：The self closing instruction of detection hydraulic butterfly valve is issued to outlet pressure and closed more than the 4th used in the first preset pressure
Close whether the time is more than the 4th closing preset time, if it is not, then into step S503, if it is, entering step after alarm
S503；
S503：Detection hydraulic butterfly valve sends the second shut-in time used from opening out code and be issued to close to 15 ° of signals
Whether it is more than second and closes preset time, if it is not, then into step S504, if it is, entering step S504 after alarm；
S504：Whether detection hydraulic butterfly valve self closing instruction to send the 3rd shut-in time used big if being issued to fully closed signal
Preset time is closed in the 3rd, if it is not, then hydraulic butterfly valve completes closing motion, if it is, alarm.
4th closing preset time can be 10s, close preset time and second between first and close between preset time.
It should be noted that because hydraulic butterfly valve is control valve, the interlude between each action of hydraulic butterfly valve
For preset time, therefore normative reference can be used as, however, hydraulic butterfly valve is in the course of work of reality, relative to it is default when
Between may have delay, it is therefore possible to use preset time adds the mode set aside some time to carry out detection alarm.For example, second opens
When preset time is 30s, if the second opening time detected is 40s, normal operating conditions is similarly, will can now be sentenced
Disconnected standard is changed to judge whether the second opening time was more than the second unlatching preset time and adds and set aside some time.Set aside some time general basis
Experience is set, and being set aside some time under different environment can be different.
Fig. 6 is refer to, hydraulic butterfly valve warning system provided by the present invention includes：
Detection module 1, opened for detecting from hydraulic butterfly valve to the first opening time used in fully closed blackout, detection
Opened from hydraulic butterfly valve to the second opening time used in sending is opened to 15 ° of signals, detect from open command and be issued to standard-sized sheet letter
Number send the 3rd opening time used；
Memory module 3, when opening preset time, the second unlatching preset time and default the 3rd unlatching for storing first
Between；
Warning device 4, it can be alarmed according to delivering is judged；
Judge module 2, preset time is opened for judging whether the first opening time was more than first, if it is, triggering
Warning device 4 sends alarm, if it is not, then judge whether the second opening time was more than second and opens preset time, if it is,
Triggering warning device 4 sends alarm, if it is not, then judge whether the 3rd opening time was more than the 3rd and opens preset time, if
It is then to trigger warning device 4 and send alarm.
Because each action of hydraulic butterfly valve is carried out successively, therefore the first unlatching preset time is opened less than second when presetting
Between, second, which opens preset time, is less than the 3rd unlatching preset time.
The system utilizes detection module 1, memory module 3, judge module 2 and warning device 4, realizes to hydraulic butterfly valve
The real-time monitoring of several signal of interests, can timely note abnormalities signal, improve automation warning level, ensure that defect elimination
Promptness, solve in the prior art, the defects of can not be alarmed during switching damage.
Further, the system also includes pressure transmitter.Pressure transmitter is used to measure the circulation for being provided with hydraulic butterfly valve
The outlet pressure of water pump, and measurement result is sent to judge module 2；The first preset pressure is also stored with memory module 3；Sentence
Disconnected module 2 judges whether outlet pressure is more than the first preset pressure, if outlet pressure is more than the first preset pressure, triggering report
Alarm device 4 sends alarm.
Further, detection module 1 can also detect the outlet pressure that hydraulic butterfly valve is issued to water circulating pump from open command
Power recovers normal 4th opening time used, and the 4th opening time was passed into judge module 2；Memory module 3 can be with
It is stored with the 4th unlatching preset time；Judge module 2 judges whether the 4th opening time was more than the 4th and opens preset time, if
4th opening time was more than the 4th and opens preset time, then triggered warning device 4 and send alarm.
The outlet pressure that water circulating pump is issued to from open command due to hydraulic butterfly valve recovers normally to send out opening to 15 ° of signals
After going out, before fully closed signal is sent, therefore, the 4th opens preset time opens preset time and the 3rd unlatching between second
Between preset time.
In addition, in hydraulic butterfly valve closing process, detection module 1 can also detect the instruction of hydraulic butterfly valve self closing and be issued to
The first shut-in time used in standard-sized sheet blackout, the self closing instruction of detection hydraulic butterfly valve are issued to pass to 15 ° of signals and send institute
Second shut-in time, the self closing instruction of detection hydraulic butterfly valve are issued to fully closed signal and send the 3rd shut-in time used；
Memory module 3 can also store the first closing preset time, the second closing preset time and the 3rd closing preset time；Judge mould
Block 2, can also judge whether the first shut-in time was more than first and closes preset time, if it is, triggering warning device 4 is sent
Alarm, if it is not, then judging whether the second shut-in time was more than second and closes preset time, if it is, triggering warning device 4
Alarm is sent, if it is not, then judging whether the 3rd shut-in time was more than the 3rd and closes preset time, if it is, triggering alarm
Device 4 sends alarm.
Due to hydraulic butterfly valve in off position when each signal be also to send successively, therefore, first close preset time
Preset time is closed less than second, second, which closes preset time, is less than the 3rd closing preset time.
In order to timely find hydraulic butterfly valve during closing, whether the outlet pressure of water circulating pump is in preset time
Inside reach the first preset pressure value, detection module 1 can also be utilized to detect the instruction of hydraulic butterfly valve self closing and be issued to outlet pressure
More than the 4th shut-in time used in the first preset pressure, preset time is closed because memory module 3 can also store the 4th, because
This, judge module 2 can also judge whether the 4th shut-in time was more than the 4th and closes preset time, if the 4th shut-in time is big
Preset time is closed in the 4th, then triggers warning device 4 and sends alarm.
It can closed because the outlet pressure of water circulating pump reaches the first preset pressure after standard-sized sheet blackout to 15 °
Before signal is sent, therefore, the 4th closes preset time closes between preset time and the second closing preset time between first.
Hydraulic butterfly valve detection method provided by the present invention and warning system are described in detail above.Herein should
The principle and embodiment of the present invention are set forth with specific case, the explanation of above example is only intended to help and managed
Solve the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, do not departing from
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this hair
In bright scope of the claims.
Claims (10)
1. a kind of hydraulic butterfly valve detection method, it is characterised in that comprise the following steps：
S100：After the water circulating pump for being provided with hydraulic butterfly valve starts, the open command of the hydraulic butterfly valve is sent；
S101：Whether big detect the first opening time that the hydraulic butterfly valve is issued to from open command used in fully closed blackout
Preset time is opened in first, if it is not, then into step S102, if it is, entering step S102 after alarm；
S102：Detect the hydraulic butterfly valve and be issued to out from open command and send the second opening time used to 15 ° of signals and be
It is no to be more than the second unlatching preset time, if it is not, then into step S103, if it is, entering step S103 after alarm；
S103：The hydraulic butterfly valve is detected from open command to be issued to standard-sized sheet signal whether send the 3rd opening time used big
Preset time is opened in the 3rd, if it is not, then the hydraulic butterfly valve completes breakdown action, if it is, alarm；
Described first, which opens preset time, is less than the described second unlatching preset time, and described second opens preset time less than described
3rd opens preset time.
2. hydraulic butterfly valve detection method according to claim 1, it is characterised in that also include following step before step S101
Suddenly：
Whether the outlet pressure for detecting the water circulating pump is more than the first preset pressure, if it is, into step S101, if
It is no, then enter step S101 after alarming.
3. hydraulic butterfly valve detection method according to claim 2, it is characterised in that also include following step before step S103
Suddenly：
Detect the hydraulic butterfly valve outlet pressure of the water circulating pump is issued to from open command and recover the normal used the 4th
Whether the opening time, which is more than the 4th, is opened preset time, if it is not, then into step S103, if it is, entering step after alarm
Rapid S103；
Described 4th opens preset time opens between preset time and the 3rd unlatching preset time between described second.
4. the hydraulic butterfly valve detection method according to Claims 2 or 3, it is characterised in that also comprise the following steps：
S400：After the water circulating pump for being provided with hydraulic butterfly valve is closed, the out code of the hydraulic butterfly valve is sent；
S401：Whether big detect the first shut-in time that the hydraulic butterfly valve self closing instruction is issued to used in standard-sized sheet blackout
Preset time is closed in first, if it is not, then into step S402, if it is, entering step S402 after alarm；
S402：Detect hydraulic butterfly valve self closing instruction and be issued to close and send the second shut-in time used to 15 ° of signals and be
It is no to be more than the second closing preset time, if it is not, then into step S403, if it is, entering step S403 after alarm；
S403：Hydraulic butterfly valve self closing instruction is detected to be issued to fully closed signal whether send the 3rd shut-in time used big
Preset time is closed in the 3rd, if it is not, then the hydraulic butterfly valve completes closing motion, if it is, alarm；
Described first, which closes preset time, is less than the described second closing preset time, and described second closes preset time less than described
3rd closes preset time.
5. hydraulic butterfly valve detection method according to claim 4, it is characterised in that also include following step before step S402
Suddenly：
Detect the hydraulic butterfly valve self closing instruction and be issued to the outlet pressure more than the 4th pass used in the first preset pressure
Close whether the time is more than the 4th closing preset time, if it is not, then into step S402, if it is, entering step after alarm
S402；
Described 4th closes preset time closes between preset time and the second closing preset time between described first.
6. a kind of hydraulic butterfly valve detects warning system, it is characterised in that including：
Detection module (1), opened for detecting from the hydraulic butterfly valve to the first opening time used in fully closed blackout, inspection
Survey and opened from the hydraulic butterfly valve to the second opening time used in sending is opened to 15 ° of signals, detect and be issued to from open command
Standard-sized sheet signal sends the 3rd opening time used；
Memory module (3), preset time, the second unlatching preset time and the 3rd unlatching preset time are opened for storing first；
Warning device (4), it can be alarmed according to delivering is judged；
Judge module (2), preset time is opened for judging whether first opening time is more than first, if it is, touching
Sending out warning device (4) described sends alarm, if it is not, then when judging whether second opening time is more than second and opens default
Between, if it is, triggering the warning device (4) sends alarm, if it is not, then judging whether the 3rd opening time was more than the 3rd
Preset time is opened, if it is, triggering the warning device (4) sends alarm；
Described first, which opens preset time, is less than the described second unlatching preset time, and described second opens preset time less than described
3rd opens preset time.
7. hydraulic butterfly valve according to claim 6 detects warning system, it is characterised in that also includes：
Pressure transmitter, for measuring the outlet pressure for the water circulating pump for being provided with the hydraulic butterfly valve, and measurement result is sent out
Give the judge module (2)；
The memory module (3), it is additionally operable to store the first preset pressure；
The judge module (2), be additionally operable to judge whether the outlet pressure is more than first preset pressure, if it is described go out
Mouth pressure is more than first preset pressure, then triggers the warning device (4) and send alarm.
8. hydraulic butterfly valve according to claim 7 detects warning system, it is characterised in that：
The detection module (1), it is additionally operable to detect the outlet that the hydraulic butterfly valve is issued to the water circulating pump from open command
Pressure recovers normal 4th opening time used, and the 4th opening time is passed into the judge module (2)；
The memory module (3), it is additionally operable to storage the 4th and opens preset time；
The judge module (2), it is additionally operable to judge whether the 4th opening time is more than the described 4th and opens preset time, such as
4th opening time described in fruit is more than the described 4th and opens preset time, then triggers the warning device (4) and send alarm；
Described 4th opens preset time opens between preset time and the 3rd unlatching preset time between described second.
9. the hydraulic butterfly valve detection warning system according to claim 7 or 8, it is characterised in that：
The detection module (1), it is additionally operable to detect the hydraulic butterfly valve self closing instruction and is issued to used in standard-sized sheet blackout
First shut-in time, detect hydraulic butterfly valve self closing instruction and be issued to and close when sending used second to 15 ° of signals and closing
Between, detect hydraulic butterfly valve self closing instruction and be issued to fully closed signal and send the 3rd shut-in time used；
Memory module (3), when being additionally operable to the closing of storage first preset time, the second closing preset time and default the 3rd closing
Between；
Judge module (2), preset time is closed for judging whether first shut-in time is more than first, if it is, touching
Sending out warning device (4) described sends alarm, if it is not, then when judging whether second shut-in time is more than second and closes default
Between, if it is, triggering the warning device (4) sends alarm, if it is not, then judging whether the 3rd shut-in time was more than the 3rd
Preset time is closed, if it is, triggering the warning device (4) sends alarm；
Described first, which closes preset time, is less than the described second closing preset time, and described second closes preset time less than described
3rd closes preset time.
10. hydraulic butterfly valve according to claim 9 detects warning system, it is characterised in that：
The detection module (1), is additionally operable to detect the hydraulic butterfly valve self closing instruction and is issued to the outlet pressure and be more than the
The 4th shut-in time used in one preset pressure；
The memory module (3), it is additionally operable to storage the 4th and closes preset time；
The judge module (2), it is additionally operable to judge whether the 4th shut-in time is more than the described 4th and closes preset time, such as
4th shut-in time described in fruit is more than the described 4th and closes preset time, then triggers the warning device (4) and send alarm；
Described 4th closes preset time closes between preset time and the second closing preset time between described first.
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| CN201410841079.0A CN105806598B (en) | 2014-12-30 | 2014-12-30 | A kind of hydraulic butterfly valve detection method and warning system |
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| CN201410841079.0A CN105806598B (en) | 2014-12-30 | 2014-12-30 | A kind of hydraulic butterfly valve detection method and warning system |
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| CN105806598B true CN105806598B (en) | 2018-02-16 |
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| CN110873461B (en) * | 2018-08-29 | 2022-01-25 | 宁波方太厨具有限公司 | Fault detection method for three-way valve in dual-purpose furnace |
| CN111289238B (en) * | 2020-01-19 | 2021-12-24 | 贵州首汇智慧水务有限公司 | Intelligent flap valve detection alarm device |
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