CN205808618U - A kind of nuclear power station differential pressure transmitter static pressure correcting device - Google Patents
A kind of nuclear power station differential pressure transmitter static pressure correcting device Download PDFInfo
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- CN205808618U CN205808618U CN201620555985.9U CN201620555985U CN205808618U CN 205808618 U CN205808618 U CN 205808618U CN 201620555985 U CN201620555985 U CN 201620555985U CN 205808618 U CN205808618 U CN 205808618U
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Abstract
The utility model discloses a kind of nuclear power station differential pressure transmitter static pressure correcting device, including: pressure-loaded system, standard height differential static pressure pressure transmitter, control and data collecting system and power supply, based on the feature of differential pressure transmitter own, by adjusting pressure-loaded system, realize differential pressure accurately to control, this device is intelligent test platform simultaneously, short form test flow process, raising measuring accuracy, guarantee equipment dependability, reduces human cost.
Description
Technical field
This utility model relates to technical field of data processing, and more specifically, this utility model relates to a kind of nuclear power station differential pressure
Transmitter static pressure correcting device.
Background technology
For capacitance differential pressure cell, static pressure deviation is determined according to the design principle of δ room: when to the positive minus side of transmitter
When isolation diaphragm applies a fixing static pressure simultaneously, the dielectric constant of δ room can be made to change, cause when δ room two
The size of differential capacitance when side exists differential pressure changes, thus introduces static pressure deviation.Two ways is passed through at nuclear power station scene
Eliminate deviation: scheme one uses Theoretical Calculation mode to eliminate deviation；Scheme two use two suppress meter positive and negative to differential pressure transmitter
Pressure side applies static pressure simultaneously and revises it.But needing to use producer's theoretical values to calculate for scheme one, precision cannot
Ensure；Scheme two system connects complexity, and easily leaks under high static pressure.
There is now high differential static pressure pressure transmitter verification platform, pressurizeed in transmitter positive/negative-pressure side by it by piston simultaneously, real
Existing transmitter verification, but cannot realize pressure in the pressurization of high static pressure lower piston and accurately control, easily cause system overpressure, shadow
Ring check results, it addition, it is only theoretical model, it is impossible to meet field requirement.
Utility model content
This utility model provides a kind of nuclear power station differential pressure transmitter static pressure correcting device, existing to solve in prior art
High differential static pressure pressure transmitter verification platform, pressurizeed in transmitter positive/negative-pressure side by it by piston simultaneously, it is achieved transmitter verifies, but
It is cannot to have realized pressure in the pressurization of high static pressure lower piston accurately to control, easily causes system overpressure, affect check results, separately
Outward, it is only theoretical model, it is impossible to the problem meeting field requirement.
To this end, this utility model provides following technical scheme:
The utility model discloses a kind of nuclear power station differential pressure transmitter static pressure correcting device, including: pressure-loaded system, mark
Accurate high differential static pressure pressure transmitter, control and data collecting system and power supply, wherein,
Described pressure-loaded system obtains the force value of positive/negative-pressure side；
Described standard height differential static pressure pressure transmitter is connected with described pressure-loaded system, by the force value of described positive/negative-pressure side
It is forced into described standard height differential static pressure pressure transmitter；
Described control and data collecting system respectively with described pressure-loaded system and described standard height static pressure differential pressure transporting
Device is connected, and controls described pressure-loaded system and carries out loading and the parameter of described standard height differential static pressure pressure transmitter of pressure data
Regulation, and gather the force value of the described positive/negative-pressure side of described pressure-loaded system；
Described pressure-loaded system, described standard height differential static pressure pressure transmitter and described control and data collecting system are respectively
It is connected with described power supply, carries out power supply and power.
Preferably, described pressure-loaded system includes: low-pressure lateral pressure sensor, high side pressure sensor, regulation pump,
Regulation pump actuator, water tank, just pressure side isolating device and pipeline and fine setting motor, wherein:
Described low-pressure lateral pressure sensor and described high side pressure sensor respectively with described standard height differential static pressure buckling
Device is sent to be connected；
Described regulation pump and described regulation pump actuator are by described height pressure side isolating device and pipeline
It is connected with described water tank；
Described fine setting motor is connected with described low-pressure lateral pressure sensor and described high side pressure sensor.
Preferably, described pressure-loaded system also includes: respectively with described low-pressure lateral pressure sensor and described high-pressure side
Filter, isolating valve, strainer valve and the pre-pressure cutoff valve that pressure transducer is connected.
Preferably, described water tank includes: liquid storing cup, and be provided with on described liquid storing cup water filling air vent, bleeder valve and
Return liquid valve.
Preferably, also include: be connected with described fine setting motor, carry out the adjustable-height bar of height fine adjusting function.
Preferably, also include:
It is connected with described control and data collecting system, carries out input data being configured and show, correction data show
Showing device.
Wherein, described display device is portable set.
Compared with prior art, the beneficial effects of the utility model are: the utility model discloses a kind of nuclear power station differential pressure
Transmitter static pressure correcting device, including: pressure-loaded system, standard height differential static pressure pressure transmitter, control and data collecting system
And power supply, based on the feature of differential pressure transmitter own, by adjusting pressure-loaded system, it is achieved differential pressure accurately controls, with
Time this device be intelligent test platform, short form test flow process, improve measuring accuracy, ensure equipment dependability, reduce manpower become
This.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawing can be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of nuclear power station differential pressure transmitter static pressure correcting device disclosed in this utility model embodiment
Figure；
Fig. 2 is the concrete structure of a kind of nuclear power station differential pressure transmitter static pressure correcting device disclosed in this utility model embodiment
Schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to accompanying drawing 1, Fig. 1 is a kind of nuclear power station differential pressure transmitter static pressure correction dress disclosed in this utility model embodiment
The structural representation put.As it is shown in figure 1, the utility model discloses a kind of nuclear power station differential pressure transmitter static pressure correcting device, bag
Include: pressure-loaded system U1, standard height differential static pressure pressure transmitter U2, control and data collecting system U3 and power supply U4,
Wherein, pressure-loaded system obtains the force value of positive/negative-pressure side；Standard height differential static pressure pressure transmitter is connected with pressure-loaded system,
The force value of positive/negative-pressure side is forced into standard height differential static pressure pressure transmitter；Control and data collecting system respectively with pressure-loaded
System is connected with standard height differential static pressure pressure transmitter, controls pressure-loaded system and carries out loading and the standard height static pressure of pressure data
The parameter regulation of differential pressure transmitter, and gather the force value of the positive/negative-pressure side of pressure-loaded system；Pressure-loaded system, standard
High differential static pressure pressure transmitter is connected with power supply respectively with control and data collecting system, carries out power supply and powers.
Carrying out software programming for current embodiment require that, specifically include information acquisition module, device driver module, verification is surveyed
Die trial block, display are analyzed module, are generated reporting modules etc..
The utility model discloses a kind of nuclear power station differential pressure transmitter static pressure correcting device, including: pressure-loaded system, mark
Accurate high differential static pressure pressure transmitter, control and data collecting system and power supply, based on the feature of differential pressure transmitter own, pass through
Adjust pressure-loaded system, it is achieved differential pressure accurately controls, and this device is intelligent test platform simultaneously, short form test flow process, carry
High measuring accuracy, guarantee equipment dependability, reduce human cost.
Referring to accompanying drawing 2, Fig. 2 is a kind of nuclear power station differential pressure transmitter static pressure correction dress disclosed in this utility model embodiment
The concrete structure schematic diagram put.As in figure 2 it is shown, pressure-loaded system U1 includes: low-pressure lateral pressure sensor S1, high side pressure
Sensor S2, regulation pump S3, regulation pump actuator S4, water tank S5, fine setting motor S6 and height pressure side isolation
Device and pipeline, wherein: low-pressure lateral pressure sensor and high side pressure sensor respectively with standard height differential static pressure pressure transmitter
It is connected；Regulation pump is connected with water tank by height pressure side isolating device and pipeline with regulation pump actuator；Fine setting
Motor is connected with low-pressure lateral pressure sensor and high side pressure sensor.
Preferably, described pressure-loaded system U1 also includes: respectively with low-pressure lateral pressure sensor S1 and high side pressure
Filter S7, isolating valve S8, strainer valve S9 and the pre-pressure cutoff valve S10 that sensor S2 is connected.
Preferably, described water tank S5 includes: liquid storing cup S11, and is provided with water filling air vent S12, tapping on liquid storing cup
Valve S13 and time liquid valve S14.
Preferably, this nuclear power station differential pressure transmitter static pressure correcting device also includes: is connected with fine setting motor 6, carries out height
The adjustable-height bar S15 of fine setting.
Preferably, this nuclear power station differential pressure transmitter static pressure correcting device also includes: with control and data collecting system U3 phase
Even, carry out input data being configured and showing display device S16 revising data.
Concrete, described display device is portable set.
Concrete, due to pressure-loaded system water flowing, and high pressure can be there is, safe and reliable for ensureing electrical equipment, therefore will
Pressure-loaded system and High-precision standard differential pressure transmitter and the interface etc. by school differential pressure transmitter are integrated on test platform, control
System and the electricity equipment such as data acquisition module, power supply are additionally integrated in an electrical equipment cabinet, and all electrical signals are equal
It is connected to electrical equipment cabinet by pre-fabricated electric cables.
The utility model discloses a kind of nuclear power station differential pressure transmitter static pressure correcting device, including: pressure-loaded system, mark
Accurate high differential static pressure pressure transmitter, control and data collecting system and power supply, based on the feature of differential pressure transmitter own, pass through
Adjust pressure-loaded system, it is achieved differential pressure accurately controls, and this device is intelligent test platform simultaneously, short form test flow process, carry
High measuring accuracy, guarantee equipment dependability, reduce human cost.
The present embodiment specifically describes the structure of nuclear power station differential pressure transmitter static pressure correcting device, and concrete structure refers to attached
Shown in Fig. 2, its structural principle is as follows:
Regulate pump analogue difference pressure transmitter height static pressure environment by static pressure, apply static pressure in differential pressure transmitter positive/negative-pressure side,
Logical fine setting motor realizes differential pressure under high static pressure and accurately controls simultaneously, thus is modified differential pressure transmitter under high static pressure, disappears
Except transmitter is measured impact by differential pressure transmitter static pressure.
This nuclear power station differential pressure transmitter static pressure correcting device specific works process is as follows:
1, standard height differential static pressure pressure transmitter and verified differential pressure transmitter are connected to platform；
2, transmitter wiring is connected with intelligent controller；
3, nuclear power station differential pressure transmitter static pressure correcting device powers on；
4, portable computer start, opens instrument static pressure correction platform software；
5, test interface, input transducer relevant information (static pressure, differential pressure transmitter range) are entered.
6, confirm that H/L isolating valve automatically opens up；
7, platform is carried out water-filling aerofluxus, after completing, close back liquid valve；
8, use static pressure regulation pump that system is pressurizeed, be forced into standard static pressure；
9, intelligent controller is automatically switched off H/L isolating valve；
10, closing pre-pressure cutoff valve, intelligent controller is automatically adjusted verification regulation pump and transmitter is carried out by fine setting motor
Static pressure verifies；
11, according to check results, transmitter is adjusted, has adjusted and re-started verification, confirm that verification is qualified；
12, verification report is generated；
13, system decompression, exits software, closes power supply；
14, relevant transmitter and wiring are removed.
Concrete, this device needs to carry out the construction of software architecture, for realizing nuclear power station differential pressure transmitter static press device ginseng
Number gathers and function the user-friendly use such as display, differential pressure transmitter Stress control, data analysis, information management, soft
Part overall construction design is sequential organization, includes the 4 big function moulds such as facility information, equipment test, test analysis, generation report
Block and 1 database file module.And in order to realize the effective management to test equipment, use access to set up data base,
Establish 5 independent lists in data base: " transmitter information ", " standard transmitter information ", " transmitter test information ", " become
Send device inforamtion tree ", " static pressure report ", in order to store information.
Concrete test mode of the present utility model is described as follows:
After standard transmitter, test transmitter, pipeline system are carried out water flowing aerofluxus, it is arranged on test platform, confirms
After pipeline connects correctly, turn on the power, after the display successful connection of computer lower right corner network, double-click desktop icons enter software circle
Face.
The instrumentation information such as the standard transmitter of the differential pressure transmitter of test and verification can be managed by information management
Reason.User's order enters the sub-interface of information management, then selects standard transmitter information or test transmitter information to enter next
The sub-interface of level carries out the works such as information creating, editor's (note: existing transmitter sequence number information can not be changed by editor), Copy Info
Make.
After the establishment completing facility information, after transmitter is chosen at main interface, " equipment test " can be clicked on and enter school
Test subprogram.Clicking on " equipment test ", one dialog box of system automatic spring " please adjust and confirm that electric loading system device is returned
To initial safe position ".This function is that motor is not returned to initial position, can carry out at this moment in order to prevent last time from having no progeny in test
Adjust, prevent motor run to foremost with rearmost end and occur stuck.If electric loading system device is not in initial safe position,
Can click on " retrogressing " or " advance ", program can drive motor to return to initial safe position automatically, clicks on " determination ", and entrance sets
Standby test interface.
Equipment test function can realize the manual verification to test transmitter, it is also possible to realizes automatic Verification.Its interface
Contain the essential information of transmitter, high and low pressure side static pressure can be monitored in real time, simultaneously real-time by numeral and curve two ways
Display standard scale and the force value of calibration chart, automatically calculate the absolute error of current value between standard scale and calibration chart, relatively miss
Difference and return difference.
High and low pressure side static pressure rises to test the work static pressure of transmitter, clicks on " 0 " in the lower left corner, can Artificial Control incite somebody to action
Under high static pressure state, in transmitter zero test current value when balanced valve is opened and test force value input system.Click on again
" automatic Verification " on interface, " the most first closes height pressure side isolating valve by pop-up dialogue box, then clicks on electric motor starting key ".
Motor is automatically switched off height pressure side isolating valve after determining after, click determines, prepares to start test." motor opens in click
Dynamic " button, program can be automatically the most up more descending by point, carries out automatic Verification.
After the test of descending 25% terminates, system automatic spring dialog box " can the most first be closed electric motor starting key, and open height
Low-pressure end isolating valve ", click on automatically to move after determining and open height pressure side isolating valve, differential pressure value self-zeroing, click on the lower left corner
" 0 " key, by test current value now and test force value input system.Click on " stopping " button, motor will be driven to stop.
This step is to protect transmitter, it is to avoid in the case of balanced valve is not switched on, and is directly unloaded by system static pressure, causes pick-up
Device both sides differential pressure is excessive, damages transmitter.
In test process, leftmost curve can show standard curve, upper and lower limit curve of error, current test point and complete
Test point, click on large buttons, then can amplify display current set point near test case.
After automatic Verification terminates, when clicking on " preservation " or " exiting ", automatic spring dialog box " can please open high and low pressure side
Isolating valve, and by system decompression ", with avoid testing terminate after forget the situation of pressure release.
After manual operation system pressure release, clicking on " determination ", automatic spring " test specification " dialog box, by test name, survey
Examination place, ambient temperature, humidity input, click on " determination ", completes to test the preservation of data.
After selecting tree diagram selects the test name under transmitter, click on " test analysis ", test result can be entered
Row playback, and standard value, test value, absolute error, relative error, return difference can be shown.Can show on curve that every is become by school
Send the test broken line of each checkpoint of device uplink and downlink, standard curve, range of error curve etc., also curve can be amplified and
Reduce analysis.
Generate reporting modules and test device results can be formed the report of word version, in order to user derives report and adjusts
With, edit or printing etc..After selecting transmitter, click on " generating report ", enter report subprogram.Under report interface, can press
Test before prompting selection debugging and the test after adjustment, then the difference of twice test before and after can simultaneously showing in portion is reported
Result.
In sum, the utility model discloses a kind of nuclear power station differential pressure transmitter static pressure correcting device, including: pressure adds
Loading system, standard height differential static pressure pressure transmitter, control and data collecting system and power supply, based on differential pressure transmitter itself
Feature, by adjusting pressure-loaded system, it is achieved differential pressure accurately controls, and this device is intelligent test platform simultaneously, simplifies examination
Test flow process, improve measuring accuracy, guarantee equipment dependability, reduce human cost.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, each embodiment weight
Point explanation is all the difference with other embodiments, and between each embodiment, identical similar part sees mutually.
Also, it should be noted in this article, the relational terms of such as first and second or the like is used merely to one
Entity or operation separate with another entity or operating space, and not necessarily require or imply between these entities or operation
There is relation or the order of any this reality.And, term " includes ", " comprising " or its any other variant are intended to contain
Comprising of lid nonexcludability, so that include that the article of a series of key element or equipment not only include those key elements, but also
Including other key elements being not expressly set out, or also include the key element intrinsic for this article or equipment.Do not having
In the case of more restrictions, statement " including ... " key element limited, it is not excluded that at the article including above-mentioned key element
Or equipment there is also other identical element.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a nuclear power station differential pressure transmitter static pressure correcting device, it is characterised in that including: pressure-loaded system, standard Gao Jing
Pressure/differential pressure transmitter, control and data collecting system and power supply, wherein,
Described pressure-loaded system obtains the force value of positive/negative-pressure side；
Described standard height differential static pressure pressure transmitter is connected with described pressure-loaded system, the force value of described positive/negative-pressure side is pressurizeed
To described standard height differential static pressure pressure transmitter；
Described control and data collecting system respectively with described pressure-loaded system and described standard height differential static pressure pressure transmitter phase
Even, control described pressure-loaded system and carry out loading and the parameter tune of described standard height differential static pressure pressure transmitter of pressure data
Joint, and gather the force value of the described positive/negative-pressure side of described pressure-loaded system；
Described pressure-loaded system, described standard height differential static pressure pressure transmitter and described control and data collecting system respectively with institute
State power supply to be connected, carry out power supply and power.
Device the most according to claim 1, it is characterised in that described pressure-loaded system includes: low-pressure lateral pressure senses
Device, high side pressure sensor, regulation pump, regulation pump actuator, water tank, just pressure side isolating device and pipeline
And fine setting motor, wherein:
Described low-pressure lateral pressure sensor and described high side pressure sensor respectively with described standard height differential static pressure pressure transmitter
It is connected；
Described regulation pump and described regulation pump actuator are by described height pressure side isolating device and pipeline and institute
State water tank to be connected；
Described fine setting motor is connected with described low-pressure lateral pressure sensor and described high side pressure sensor.
Device the most according to claim 2, it is characterised in that described pressure-loaded system also includes: low with described respectively
Filter, isolating valve, strainer valve and the pre-pressure cutoff valve that pressure side pressure sensor is connected with described high side pressure sensor.
Device the most according to claim 2, it is characterised in that described water tank includes: liquid storing cup, and on described liquid storing cup
It is provided with water filling air vent, bleeder valve and returns liquid valve.
Device the most according to claim 2, it is characterised in that also include: be connected with described fine setting motor, carry out the most micro-
The adjustable-height bar adjusted.
Device the most according to claim 1, it is characterised in that also include:
It is connected with described control and data collecting system, carries out input data are configured and show the display dress revising data
Put.
Device the most according to claim 6, it is characterised in that described display device is portable set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555985.9U CN205808618U (en) | 2016-06-08 | 2016-06-08 | A kind of nuclear power station differential pressure transmitter static pressure correcting device |
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| CN201620555985.9U CN205808618U (en) | 2016-06-08 | 2016-06-08 | A kind of nuclear power station differential pressure transmitter static pressure correcting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240889A (en) * | 2016-12-23 | 2018-07-03 | 北京康斯特仪表科技股份有限公司 | A kind of device and method for calibrating high static pressure differential pressure device |
| CN109857164A (en) * | 2017-11-30 | 2019-06-07 | 福建宁德核电有限公司 | A kind of Spent Fuel Pool level monitoring system verification platform and method of calibration |
| CN109974932A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of instrument static pressure update the system and method |
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
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2016
- 2016-06-08 CN CN201620555985.9U patent/CN205808618U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240889A (en) * | 2016-12-23 | 2018-07-03 | 北京康斯特仪表科技股份有限公司 | A kind of device and method for calibrating high static pressure differential pressure device |
| CN108240889B (en) * | 2016-12-23 | 2024-02-20 | 北京康斯特仪表科技股份有限公司 | Device and method for calibrating high static pressure differential pressure device |
| CN109857164A (en) * | 2017-11-30 | 2019-06-07 | 福建宁德核电有限公司 | A kind of Spent Fuel Pool level monitoring system verification platform and method of calibration |
| CN109857164B (en) * | 2017-11-30 | 2022-04-26 | 福建宁德核电有限公司 | Spent fuel pool liquid level monitoring system calibration platform and calibration method |
| CN109974932A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of instrument static pressure update the system and method |
| CN109974932B (en) * | 2017-12-27 | 2024-03-19 | 核动力运行研究所 | Instrument static pressure correction system and method |
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
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