CN205578880U - Safety relief valve superpressure automatic monitoring device - Google Patents
Safety relief valve superpressure automatic monitoring device Download PDFInfo
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- CN205578880U CN205578880U CN201620231350.3U CN201620231350U CN205578880U CN 205578880 U CN205578880 U CN 205578880U CN 201620231350 U CN201620231350 U CN 201620231350U CN 205578880 U CN205578880 U CN 205578880U
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- lead sealing
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Abstract
The utility model discloses a safety relief valve superpressure automatic monitoring device, this automatic monitoring device is through setting up pressure release touch -control sensor and self -checking servo motor on the relief valve valve clack, set up lead sealing touch -control sensor in the relief valve lead sealing, and with pressure release touch -control sensor, self -checking servo motor and lead sealing touch -control sensor are connected to microprocessor, through modes such as microprocessor directness or servo motor control self -checkings, receive the touch signal of each touch -control sensor response, judge whether safety relief valve is in safe normal condition, whether judgement equipment or line pressure are in the superpressure state, and realize superpressure automatic alarm and emergent the shut down through alarm module with emergent shut down module and deal with, do not need the people for carrying out checksum control, has the advantage that the reliability is high and use manpower sparingly.
Description
Technical field
This utility model relates to relief valve safety monitoring field, especially a kind of safety relief valve superpressure automated watch-keeping facility.
Background technology
Relief valve is that opening and closing element is in normally off by under External Force Acting, when the pressure medium in equipment or pipeline increases to over setting, prevents pressure medium in pipeline or equipment from exceeding the Special valve of specified value by discharge medium outside system.Relief valve belongs to automatic valve class, is mainly used on boiler, pressure vessels and pipes, controls pressure and is less than setting, personal safety and equipment have been run important protective effect.Relief valve has to pass through pressure test and could use, and relief valve plays safeguard protection effect in systems.When system pressure exceedes setting, relief valve is opened, and a part of gas/fluid in system is entered outside air/pipeline, makes system pressure be less than permissible value, thus ensures that system does not has an accident because of hypertonia.Automatic over-pressure decompression protection effect can be played about relief valve in normal state, but need artificially to determine its normal condition.Specific as follows: first, need the most regularly to check that its lead sealing is the most intact, to ensure that relief valve is not damaged its safe condition set by foeign element；Second, need whether its flap of artificial manual examination (check) can be operating normally, prevent because the fault such as get stuck causes relief valve to lose superpressure releasing pressure automatically defencive function；3rd, relief valve is properly functioning, but in pipeline or equipment, pressure is constantly in abnormal superpressure state, causes relief valve to be constantly in pressure release state, needs artificial high alert, and judge.
Utility model content
In order to solve the above-mentioned problems in the prior art, this utility model provides a kind of safety relief valve superpressure automated watch-keeping facility that relief valve can carry out automated security monitor.
nullThe technical scheme that this utility model provides is as follows: a kind of safety relief valve superpressure automated watch-keeping facility，Including microprocessor、The pressure release touch sensing being arranged on relief valve flap and self-inspection servomotor，With the lead sealing touch sensing being arranged in relief valve lead sealing，Described pressure release touch sensing、Self-inspection servomotor and lead sealing touch sensing all can realize data transmission with described microprocessor，Pressure release touch sensing is used for sensing whether relief valve is opened pressure discharge operations and will open signal transmission to described microprocessor，Described self-inspection servomotor opens relief valve self-inspection work for receiving self-test signal that described microprocessor sends，Described lead sealing touch sensing is for sensing that whether lead sealing is destroyed by pressure operation or manual operation or other External Force Actings and will destroy signal and send extremely described microprocessor，Described microprocessor is also associated with alarm module、Emergent shutdown module and signal emission module，Described alarm module、Emergent shutdown module and signal emission module are respectively used to the alert when relief valve is in dangerous superpressure or non-security duty、Meet an urgent need and shut down and send emergency disposal information to background system.
In preferred embodiment of the present utility model; described emergent shutdown module connect with the air switch power line of the press device at relief valve place by cable, described emergent shutdown module can after the emergent halt instruction that the described microprocessor of reception sends the air switch power supply of urgent opening pressure equipment.
In preferred embodiment of the present utility model, described alarm module is provided with alarm lamp and buzzer.
In preferred embodiment of the present utility model, described microprocessor is also associated with power module, and described power module connects the charging module that promising described power module is charged.
In preferred embodiment of the present utility model, described power module is set to battery.
In preferred embodiment of the present utility model, described microprocessor is provided with relief valve self-check program.
nullWhat this utility model produced has the beneficial effects that: this safety relief valve superpressure automated watch-keeping facility is by arranging pressure release touch sensing and self-inspection servomotor on relief valve flap，Lead sealing touch sensing in relief valve lead sealing，And by pressure release touch sensing、Self-inspection servomotor and lead sealing touch sensing are connected to microprocessor，Pressure release touch sensing is used for sensing whether relief valve is opened pressure discharge operations and will open signal transmission to microprocessor，Lead sealing touch sensing is for sensing that whether lead sealing is destroyed by pressure operation or manual operation or other External Force Actings and will destroy signal transmission to microprocessor，Self-inspection servomotor opens relief valve self-inspection work for receiving self-test signal that microprocessor sends，Microprocessor is also associated with alarm module、Emergent shutdown module and signal emission module，This safety relief valve superpressure automated watch-keeping facility directly or controls the modes such as servomotor self-inspection by microprocessor，Receive the touching signals of each touch sensing sensing，Judge whether safety relief valve is in secure normal state，Judge whether equipment or loine pressure are in superpressure state，And realize superpressure automatic alarm and emergent shutdown disposal by alarm module with emergent module of shutting down，Need not artificially check and control，There is the advantage that reliability is high and saves manpower.
Accompanying drawing explanation
Fig. 1 is the primary structure connection diagram of the safety relief valve superpressure automated watch-keeping facility in this utility model.
Detailed description of the invention
nullSee Fig. 1，A kind of safety relief valve superpressure automated watch-keeping facility includes microprocessor (MCU)、The pressure release touch sensing being arranged on relief valve flap and self-inspection servomotor，With the lead sealing touch sensing being arranged in relief valve lead sealing，Pressure release touch sensing、Self-inspection servomotor and lead sealing touch sensing all can realize data transmission with microprocessor，Pressure release touch sensing is used for sensing whether relief valve is opened pressure discharge operations and will open signal transmission to microprocessor，Self-inspection servomotor opens relief valve self-inspection work for receiving self-test signal that microprocessor sends，Lead sealing touch sensing is for sensing that whether lead sealing is destroyed by pressure operation or manual operation or other External Force Actings and will destroy signal transmission to microprocessor，Microprocessor is also associated with alarm module、Emergent shutdown module and signal emission module，Meet an urgent need and shut down and send emergency disposal information to background system.Emergent module of shutting down connect with the air switch power line of the press device at relief valve place by cable, emergent shut down module can after the emergent halt instruction that reception microprocessor sends the air switch power supply of urgent opening pressure equipment.Being provided with alarm lamp and buzzer in alarm module, microprocessor is also associated with power module, and described power module connects the charging module that promising described power module is charged, and this power module is set to battery.
Safety relief valve superpressure automatic monitoring method in this utility model, comprises the following steps:
1) when equipment or loine pressure exceed regulation safety value, the flap of safety relief valve is backed down to Lift, automatically turns on valve pressure release, now pressure release touch sensing sensing pressure release touching signals subsequently, and it is sent to microprocessor, record pressure release touching signals simultaneously；
2) if pressure release touching signals record number of times exceedes the warning value of user setup in microprocessor, microprocessor is i.e. reported to the police by alarm module, notify that operator check the pressure condition of equipment pipeline, send this warning information to background system by signal emission module simultaneously；
3) if the pressure release touching signals number of times of record exceedes the highest safety value of user setup in microprocessor; or the pressure release touching signals that microprocessor receives is constantly in state of activation when exceeding security settings duration; microprocessor is i.e. by the emergent air switch main power shutting down module urgent opening pressure equipment; reported to the police by alarm module simultaneously; notify that operator check fault, send this emergency disposal information to background system by signal emission module simultaneously；
4) lead sealing of safety relief valve is for protecting safety relief valve to be in safe normal operating conditions, when lead sealing is destroyed, and lead sealing touch sensing sensing touching signals, and it is sent to microprocessor, record lead sealing touching signals simultaneously；
5) if microprocessor receives lead sealing touching signals, illustrate that safety relief valve is very likely in non-security duty, microprocessor is i.e. reported to the police by alarm module, notify that operator check the duty confirming safety relief valve, send lead sealing touching signals to background system by signal emission module simultaneously；
6) if the lead sealing touching signals that microprocessor receives is constantly in state of activation when exceeding security settings duration; illustrate that the potential safety hazard of safety relief valve is mediated the most in time; microprocessor is i.e. by the emergent air switch main power shutting down module urgent opening pressure equipment; reported to the police by alarm module simultaneously; notify that operator check fault, send this emergency disposal information to background system by signal emission module simultaneously；
7) operator set self-check program the most on the microprocessor, and microprocessor, when arriving the self-inspection time, triggers and starts self-inspection servomotor, enters self-check program；
8) through microprocessor trigger self-inspection servomotor by the flap jack-up of safety relief valve to Lift, automatically turn on valve pressure release subsequently, now pressure release touch sensing sensing touching signals, and it is sent to microprocessor, record this touching signals is self-inspection touching signals simultaneously；
9) if microprocessor receives self-inspection touching signals, prove that the flap of safety relief valve is in safe normal operating conditions, microprocessor i.e. stops self-inspection servomotor and runs, and exits self-check program, sends normal self-inspection touching signals to background system by signal emission module simultaneously；
10), when if the flap of safety relief valve occurs getting stuck etc., fault cannot open releasing pressure automatically, microprocessor does not receives self-inspection touching signals, it is determined that safety relief valve is in abnormality, recording exceptional self-inspection touching signals.Meanwhile, microprocessor is i.e. reported to the police by alarm module, notifies that operator check the flap duty confirming safety relief valve, and sends abnormal self-inspection touching signals to background system by signal emission module；
11) if the abnormal self-inspection touching signals of microprocessor records is constantly in state of activation when exceeding security settings duration; illustrate that the potential safety hazard of safety relief valve is mediated the most in time; microprocessor is i.e. by the emergent air switch main power shutting down module urgent opening pressure equipment; reported to the police by alarm module simultaneously; notify that operator check fault, send this emergency disposal information to background system by signal emission module simultaneously.
What this utility model realized has the beneficial effects that:
By the transformation to relief valve, the lead sealing that (1) realizes monitoring relief valve automatically is the most intact；(2) realize automatically determining
Time relief valve is carried out self-inspection control, it is ensured that relief valve can when pressure superpressure releasing pressure automatically；(3) the automatic monitoring function when pressure in the pipeline of relief valve protection or equipment is continuously in overpressure state is realized；(4) realize when above-mentioned automatic monitoring detection problem, and alarm, and in the case of unmanned process, the emergent pressure stopping pipeline or equipment produces.
nullIn sum，This safety relief valve superpressure automated watch-keeping facility is by arranging pressure release touch sensing and self-inspection servomotor on relief valve flap，Lead sealing touch sensing in relief valve lead sealing，And by pressure release touch sensing、Self-inspection servomotor and lead sealing touch sensing are connected to microprocessor，Pressure release touch sensing is used for sensing whether relief valve is opened pressure discharge operations and will open signal transmission to microprocessor，Lead sealing touch sensing is for sensing that whether lead sealing is destroyed by pressure operation or manual operation or other External Force Actings and will destroy signal transmission to microprocessor，Self-inspection servomotor opens relief valve self-inspection work for receiving self-test signal that microprocessor sends，Microprocessor is also associated with alarm module、Emergent shutdown module and signal emission module，This safety relief valve superpressure automated watch-keeping facility directly or controls the modes such as servomotor self-inspection by microprocessor，Receive the touching signals of each touch sensing sensing，Judge whether safety relief valve is in secure normal state，Judge whether equipment or loine pressure are in superpressure state，And realize superpressure automatic alarm and emergent shutdown disposal by alarm module with emergent module of shutting down，Need not artificially check and control，There is the advantage that reliability is high and saves manpower.
Above are only a specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design that this utility model carries out unsubstantiality, the behavior invading this utility model protection domain all should be belonged to.
Claims (6)
- null1. a safety relief valve superpressure automated watch-keeping facility，It is characterized in that: include microprocessor、The pressure release touch sensing being arranged on relief valve flap and self-inspection servomotor，With the lead sealing touch sensing being arranged in relief valve lead sealing，Described pressure release touch sensing、Self-inspection servomotor and lead sealing touch sensing all can realize data transmission with described microprocessor，Pressure release touch sensing is used for sensing whether relief valve is opened pressure discharge operations and will open signal transmission to described microprocessor，Described self-inspection servomotor opens relief valve self-inspection work for receiving self-test signal that described microprocessor sends，Described lead sealing touch sensing is for sensing that whether lead sealing is destroyed by pressure operation or manual operation or other External Force Actings and will destroy signal and send extremely described microprocessor，Described microprocessor is also associated with alarm module、Emergent shutdown module and signal emission module，Described alarm module、Emergent shutdown module and signal emission module are respectively used to the alert when relief valve is in dangerous superpressure or non-security duty、Meet an urgent need and shut down and send emergency disposal information to background system.
- A kind of safety relief valve superpressure automated watch-keeping facility the most according to claim 1; it is characterized in that: described emergent shutdown module connect with the air switch power line of the press device at relief valve place by cable, described emergent shutdown module can after the emergent halt instruction that the described microprocessor of reception sends the air switch power supply of urgent opening pressure equipment.
- A kind of safety relief valve superpressure automated watch-keeping facility the most according to claim 1, it is characterised in that: described alarm module is provided with alarm lamp and buzzer.
- A kind of safety relief valve superpressure automated watch-keeping facility the most according to claim 1, it is characterised in that: described microprocessor is also associated with power module, and described power module connects the charging module that promising described power module is charged.
- A kind of safety relief valve superpressure automated watch-keeping facility the most according to claim 4, it is characterised in that: described power module is set to battery.
- A kind of safety relief valve superpressure automated watch-keeping facility the most according to claim 1, it is characterised in that: described microprocessor is provided with relief valve self-check program.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231350.3U CN205578880U (en) | 2016-03-24 | 2016-03-24 | Safety relief valve superpressure automatic monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620231350.3U CN205578880U (en) | 2016-03-24 | 2016-03-24 | Safety relief valve superpressure automatic monitoring device |
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| CN205578880U true CN205578880U (en) | 2016-09-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555905A (en) * | 2016-03-24 | 2017-04-05 | 厦门医学高等专科学校 | Safety relief valve superpressure automated watch-keeping facility and monitoring method |
| CN108240316A (en) * | 2016-12-27 | 2018-07-03 | 绍兴吉能纳米科技有限公司 | A kind of high-pressure pump relief valve method of numerical control |
| CN110707262A (en) * | 2019-08-13 | 2020-01-17 | 力赛凡科技有限公司 | Explosion-proof ventilation valve of power battery and battery system using same |
-
2016
- 2016-03-24 CN CN201620231350.3U patent/CN205578880U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555905A (en) * | 2016-03-24 | 2017-04-05 | 厦门医学高等专科学校 | Safety relief valve superpressure automated watch-keeping facility and monitoring method |
| CN108240316A (en) * | 2016-12-27 | 2018-07-03 | 绍兴吉能纳米科技有限公司 | A kind of high-pressure pump relief valve method of numerical control |
| CN110707262A (en) * | 2019-08-13 | 2020-01-17 | 力赛凡科技有限公司 | Explosion-proof ventilation valve of power battery and battery system using same |
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