CN116429409A - Respiratory valve delivery test full-parameter detection system and method - Google Patents

Respiratory valve delivery test full-parameter detection system and method Download PDF

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Publication number
CN116429409A
CN116429409A CN202310288084.2A CN202310288084A CN116429409A CN 116429409 A CN116429409 A CN 116429409A CN 202310288084 A CN202310288084 A CN 202310288084A CN 116429409 A CN116429409 A CN 116429409A
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China
Prior art keywords
pressure
valve
module
sensor
test
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CN202310288084.2A
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Chinese (zh)
Inventor
唐洋
王杰
王国荣
王金忠
赵金海
张志东
孙鹏
马礼
胡小平
庞仁山
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Sichuan Zhongneng Shuzhi Technology Development Co ltd
Southwest Petroleum University
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Sichuan Zhongneng Shuzhi Technology Development Co ltd
Southwest Petroleum University
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Priority to CN202310288084.2A priority Critical patent/CN116429409A/en
Publication of CN116429409A publication Critical patent/CN116429409A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/003—Machine valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention provides a system and a method for detecting all parameters of a delivery test of a breather valve, wherein the system comprises a control and interaction module, a gas medium generation module, a starting pressure and leakage amount detection module, a ventilation amount detection module and a valve body water pressure test module; the control and interaction module is connected with the gas medium generating module, the opening pressure and leakage amount detecting module, the ventilation amount detecting module and the valve body water pressure testing module through control lines; the control and interaction module is used for controlling the working states of the gas medium generating module, the opening pressure and leakage amount detection module, the ventilation amount detection module and the valve body hydrostatic test module and collecting information of each module. The integrated level is high, the test function is comprehensive, the opening pressure, leakage and ventilation quantity of the breather valve can be detected at one time, the hydraulic test of the valve body of the breather valve is realized, the operation is simple and convenient, and the labor intensity of operators is greatly reduced.

Description

Respiratory valve delivery test full-parameter detection system and method
Technical Field
The invention relates to the technical field of valve detection, in particular to a system and a method for detecting all parameters of a delivery test of a breather valve.
Background
The breather valve is a safe energy-saving device for maintaining the air pressure balance of the storage tank and reducing the volatilization of media, can not only maintain the air pressure balance of the storage tank and ensure that the breather valve is not damaged in case of overpressure or vacuum, but also can furthest reduce the discharge of the media in the tank and reduce the environmental pollution, so that the breather valve needs to be detected regularly, and the breather valve can be ensured to work normally, especially the factory detection of the breather valve is important.
The existing breather valve delivery detection is mainly or separately detected, the integration degree is low, the detection of the opening pressure, the leakage quantity and the ventilation quantity of the breather valve cannot be completely realized at one time, and although some existing breather valve delivery detection systems can realize the detection of the opening pressure, the leakage quantity and the ventilation quantity of the breather valve at one time, the operation is complex, and the labor intensity of operators is greatly increased; SY/T0511.1-2010 Petroleum tank Accessory first part: the breather valve clearly indicates that the breather valve delivery detection also needs to carry out valve body water pressure test, and only the qualified valve body can ensure the long-time sealing performance of the breather valve, however, the existing breather valve delivery detection system cannot carry out the breather valve body water pressure test, and cannot meet the requirements of the breather valve delivery detection.
In summary, the prior art has the following drawbacks and disadvantages:
1. the existing breather valve delivery detection system is low in integration degree, is difficult to realize breather valve full-parameter detection at one time, is complex in operation, and greatly aggravates labor intensity of operators.
2. The existing breather valve delivery detection system cannot carry out the breather valve body water pressure test and cannot meet the requirements of the breather valve delivery detection.
Disclosure of Invention
The invention aims to provide a full-parameter detection system and method for a delivery test of a breather valve, which have the advantages of high integration degree and comprehensive test function, can realize the detection of the opening pressure, leakage quantity and ventilation quantity of the breather valve and the hydrostatic test of a valve body of the breather valve at one time, are simple and convenient to operate, and greatly reduce the labor intensity of operators.
Embodiments of the present invention are implemented as follows:
the invention provides a respiratory valve factory test full-parameter detection system which comprises a control and interaction module, a gas medium generation module, a starting pressure and leakage amount detection module, a ventilation amount detection module and a valve body water pressure test module, wherein the control and interaction module is used for controlling the flow of a gas medium;
the control and interaction module is connected with the gas medium generating module, the opening pressure and leakage amount detection module, the ventilation amount detection module and the valve body hydrostatic test module through control lines;
the gas medium generating module, the opening pressure and leakage detecting module and the ventilation detecting module are connected through a gas pressure pipeline;
the control and interaction module is used for controlling the working states of the gas medium generating module, the opening pressure and leakage amount detection module, the ventilation amount detection module and the valve body hydrostatic test module and collecting information of each module;
the gas medium generating module is used for generating a forward and reverse detection medium required by detection; the opening pressure and leakage amount detection module is used for detecting the opening pressure and leakage amount of the breather valve, and the ventilation amount detection module is used for detecting the ventilation amount of the breather valve; the valve body hydrostatic test module is used for realizing the hydrostatic test of the breather valve body.
Further, the gas medium generating module comprises a positive and negative pressure dual-purpose pump, a three-position three-way electromagnetic reversing valve I, an electromagnetic switch valve I, an electric regulating valve I, a dry filter, a flow sensor I and a three-position three-way electromagnetic reversing valve II which are connected through a pneumatic pipeline, three interfaces of the three-position three-way electromagnetic reversing valve I are respectively connected with one end of a positive pressure air pipe, a negative pressure air pipe and an electromagnetic switch valve I of the positive and negative pressure dual-purpose pump, the other end of the electromagnetic switch valve I is sequentially connected with one interface of the electric regulating valve I, the dry filter, the flow sensor I and the three-position three-way electromagnetic reversing valve II through pneumatic pipelines, and the other two interfaces of the three-position three-way electromagnetic reversing valve II are respectively connected with the opening pressure and leakage detection module and the ventilation quantity detection module.
Further, the opening pressure and leakage amount detection module comprises a pressure tank I connected with a three-position three-way electromagnetic reversing valve II through an air pressure pipeline, an opening pressure and leakage amount detection clamping jaw is arranged at the top of the pressure tank I, and a temperature sensor I, a humidity sensor I, a pressure sensor I and an electromagnetic emptying valve I are further arranged on the pressure tank I.
Further, the ventilation quantity detection module comprises a pressure tank II connected with a three-position three-way electromagnetic reversing valve II through an air pressure pipeline, a ventilation quantity detection clamping jaw is arranged at the top of the pressure tank II, a temperature sensor II, a humidity sensor II, a pressure sensor II and an electromagnetic emptying valve II are further arranged on the pressure tank II, and an anemometer is further arranged on the air pressure pipeline between the three-position three-way electromagnetic reversing valve II and the pressure tank II.
Further, the valve body hydrostatic test module comprises a water tank, an electromagnetic switch valve II, a booster pump electric control valve II and a valve body hydrostatic test clamping seat which are sequentially connected through a hydraulic pipeline, a liquid level sensor is arranged on the water tank, a flow sensor II is further arranged on the hydraulic pipeline, and a pressure sensor III is further arranged on the valve body hydrostatic test clamping seat.
Further, the control and interaction module comprises a central processor, the central processor is in control connection with a human-computer interaction interface, a frequency converter and a data acquisition card, the human-computer interaction interface is used for user operation input and display of test data results, the frequency converter is used for controlling the work of each component of the gas medium generation module, the opening pressure and leakage amount detection module, the ventilation amount detection module and the valve body hydrostatic test module, and the data acquisition card is used for collecting data information acquired by the gas medium generation module, the opening pressure and leakage amount detection module, the ventilation amount detection module and the valve body hydrostatic test module.
The invention also provides a method for detecting the whole parameters of the delivery test of the breather valve, which comprises the step of adopting any one of the system for detecting the whole parameters of the delivery test of the breather valve.
Further, the breather valve ventilation rate detection method specifically comprises the following steps of;
1.1, a breather valve to be detected is arranged on a ventilation detecting clamping jaw, a power switch is started, an electromagnetic switch valve I is opened by a central processor, positive and negative pressure dual-purpose pumps are controlled to operate positively, a positive detection medium is provided, the pressure of an air pressure pipeline is controlled by an electric regulating valve I, and a drying filter, a flow sensor I, a temperature sensor II, an anemometer, a pressure sensor II and a humidity sensor II are in working states;
1.2, adjusting the opening of an electric regulating valve I to ensure that the pressure in a pressure tank II is the detection pressure, and recording once per minute by an anemometer to detect the flow value on an air pressure pipeline to obtain the positive ventilation of a breather valve;
1.3 the central processor controls the positive and negative pressure dual-purpose pump to reversely run to provide a negative detection medium, and at the moment, the pressure of the air pressure pipeline is controlled by the electric regulating valve I, and the dry filter, the flow sensor I, the temperature sensor II, the anemometer, the pressure sensor II and the humidity sensor II are in working states;
1.4, the opening of the electric regulating valve I is regulated, the pressure in the pressure tank II is the detection pressure, the anemometer detects the flow value on the air pressure pipeline, and the negative ventilation of the respiratory valve is obtained after recording once per minute.
Further, the method for detecting the water pressure of the valve body of the breather valve specifically comprises the following steps:
2.1, mounting a breather valve to be detected on a valve body hydraulic test clamping seat, mounting a pressure sensor III on the breather valve to be detected, opening an electromagnetic switch valve II by a central processor and controlling a booster pump to operate, wherein the pressure of a hydraulic pipeline is controlled by an electric regulating valve II, and the pressure sensor III, a liquid level sensor and a flow sensor II are in working states;
2.2 controlling the pressure level of the hydrostatic test to 0.2MPa, keeping the pressure for 10min, and indicating that the hydrostatic test of the valve body of the breather valve is qualified if the breather valve has no leakage or deformation.
Further, the method for detecting the opening pressure and the leakage quantity of the breather valve specifically comprises the following steps:
3.1, installing a breather valve to be detected on a clamping jaw for detecting opening pressure and leakage quantity, opening an electromagnetic switch valve I by a central processor, controlling a positive-negative pressure dual-purpose pump to operate positively, providing a positive detection medium, wherein the pressure of a pneumatic pipeline is controlled by an electric regulating valve I, and a dry filter, a flow sensor I, a temperature sensor I, a humidity sensor I and a pressure sensor I are in working states;
3.2, adjusting the opening of the electric regulating valve I to gradually increase or decrease the pressure in the pressure stabilizing tank I, adjusting the breather valve disc to be in an open state, obtaining the forward opening pressure by the pressure sensor I, obtaining the forward leakage amount by the flow sensor I, and recording once per minute;
3.3 the central processor controls the positive and negative pressure dual-purpose pump to reversely run to provide a negative and positive detection medium, and the pressure of the air pressure pipeline is controlled by the electric regulating valve I at the moment, and the dry filter, the flow sensor I, the temperature sensor I, the humidity sensor I and the pressure sensor I are in working states;
3.4, adjusting the opening of the electric regulating valve I to gradually increase or decrease the pressure in the pressure stabilizing tank I, adjusting the valve disc of the breather valve to be in an opening state, obtaining the negative opening pressure by the pressure sensor I, obtaining the negative leakage amount by the flow sensor I, and recording once per minute;
3.5, respectively rotating the breather valve disc by 90 degrees and 180 degrees, and repeating the operation for three times under each working condition;
4. and after detection is completed, the central processor opens the electromagnetic relief valve I and the electromagnetic relief valve II to discharge high-pressure gas in the pressure tank I and the pressure tank II, the test system and the valve are closed, and the human-computer interaction interface automatically generates detection data of the opening pressure, the leakage quantity, the ventilation quantity and the valve body hydrostatic test of the breather valve and reports the detection result.
The respiratory valve factory test full-parameter detection system and method provided by the invention have the beneficial effects that:
1. the detection system has high integration degree and comprehensive test function, can detect the opening pressure, leakage and ventilation of the breather valve at one time, is simple and convenient to operate, and greatly reduces the labor intensity of operators;
2. the valve body hydrostatic test module can carry out breather valve body hydrostatic test, and whether the breather valve body can meet design requirements and sealing requirements is detected, so that the factory detection requirements of the breather valve are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a respiratory valve delivery test full parameter detection system (without control and interaction modules) according to the present invention;
FIG. 2 is a schematic diagram of the whole parameter detection system for the delivery test of the breather valve of the present invention;
FIG. 3 is a schematic diagram of the operation of the control and interaction modules in the system of the present invention;
icon: 1. a control and interaction module; 2. a gaseous medium generation module; 3. a cracking pressure and leakage detection module; 4. a ventilation detection module; 5. the valve body hydrostatic test module; 101. a central processor; 102. a frequency converter; 103. a human-computer interaction interface; 201. positive and negative pressure dual-purpose pump; 202. three-position three-way electromagnetic reversing valve I; 203. an electromagnetic switch valve I; 204. an electric regulating valve I; 205. drying the filter; 206. a flow sensor I; 207. three-position three-way electromagnetic reversing valve II; 301. an electromagnetic emptying valve I; 302. a pressure tank I; 304. a temperature sensor I; 305. a humidity sensor I; 306. a pressure sensor I; 401. a temperature sensor II; 402. an electromagnetic blow-down valve II; 404. an anemometer; 405. a pressure sensor II; 406. a pressure tank II; 407. a humidity sensor II; 501. clamping seat for valve body hydraulic test; 502. a pressure sensor III; 503. a water tank; 504. a liquid level sensor; 505. an electromagnetic switch valve II; 506. a booster pump; 507. a flow sensor II; 508. and an electric regulating valve II.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3, the invention provides a respiratory valve factory test full-parameter detection system, which comprises a control and interaction module 1, a gas medium generation module 2, a starting pressure and leakage amount detection module 3, a ventilation amount detection module 4 and a valve body water pressure test module 5;
the control and interaction module 1 is connected with the gas medium generation module 2, the opening pressure and leakage detection module 3, the ventilation detection module 4 and the valve body water pressure test module 5 through control lines;
the gas medium generating module 2, the opening pressure and leakage detecting module 3 and the ventilation detecting module 4 are connected through a gas pressure pipeline;
the control and interaction module 1 is used for controlling the working states of the gas medium generating module 2, the opening pressure and leakage amount detecting module 3, the ventilation amount detecting module 4 and the valve body water pressure testing module 5 and collecting information of all the modules;
the gas medium generation module 2 is used for generating a forward and reverse detection medium required by detection; the opening pressure and leakage detection module 3 is used for detecting the opening pressure and leakage of the breather valve, and the ventilation detection module 4 is used for detecting the ventilation of the breather valve; the valve body hydrostatic test module 5 is used for realizing the hydrostatic test of the breather valve body.
The gas medium generating module 2 comprises a positive and negative pressure dual-purpose pump 201, a three-position three-way electromagnetic reversing valve I202, an electromagnetic switch valve I203, an electric regulating valve I204, a dry filter 205, a flow sensor I206 and a three-position three-way electromagnetic reversing valve II 207 which are connected through a pneumatic pipeline, three interfaces of the three-position three-way electromagnetic reversing valve I202 are respectively connected with one end of a positive pressure air pipe, a negative pressure air pipe and the electromagnetic switch valve I203 of the positive and negative pressure dual-purpose pump 201, the other end of the electromagnetic switch valve I203 is sequentially connected with one interface of the electric regulating valve I204, the dry filter 205, the flow sensor I206 and the three-position three-way electromagnetic reversing valve II 207 through pneumatic pipelines, and the other two interfaces of the three-position three-way electromagnetic reversing valve II 207 are respectively connected with the opening pressure and leakage detecting module 3 and the ventilation detecting module 4.
Thus, the positive pressure air pipe can convey the detection medium to the three-position three-way electromagnetic directional valve I202 or the three-position three-way electromagnetic directional valve I202 can convey the medium to the negative pressure air pipe by controlling the positive and negative pressure dual-purpose pump 201 to rotate positively and negatively.
The opening pressure and leakage amount detection module 3 comprises a pressure tank I302 connected with a three-position three-way electromagnetic reversing valve II 207 through an air pressure pipeline, an opening pressure and leakage amount detection clamping jaw is arranged at the top of the pressure tank I302, and a temperature sensor I304, a humidity sensor I305, a pressure sensor I306 and an electromagnetic emptying valve I301 are further arranged on the pressure tank I302.
Thus, by controlling the three-position three-way electromagnetic directional valve ii 207, the positive and negative pressure dual-purpose pump 201 can be communicated with the pressure tank I302. The electromagnetic blow-off valve I301 is used to discharge the high-pressure gas in the pressure tank I302. Pressure sensor I306 obtains its cracking pressure and flow sensor I206 obtains its leakage.
The ventilation quantity detection module 4 comprises a pressure tank II 406 connected with a three-position three-way electromagnetic directional valve II 207 through an air pressure pipeline, a ventilation quantity detection clamping jaw is arranged at the top of the pressure tank II 406, a temperature sensor II 401, a humidity sensor II 407, a pressure sensor II 405 and an electromagnetic emptying valve II 402 are further arranged on the pressure tank II 406, and an anemometer 404 is further arranged on the air pressure pipeline between the three-position three-way electromagnetic directional valve II 207 and the pressure tank II 406.
Thus, by controlling the three-position three-way electromagnetic directional valve II 207, the positive and negative pressure dual-purpose pump 201 can be communicated with the pressure tank II 406. The solenoid blow-down valve ii 402 is used to vent the high pressure gas from the pressure tank ii 406. The anemometer 404 detects the flow value on the pneumatic line, i.e., the ventilation of the breather valve.
The valve body hydrostatic test module 5 comprises a water tank 503, an electromagnetic switch valve II 505, a booster pump 506 electric regulating valve II 508 and a valve body hydrostatic test clamping seat 501 which are sequentially connected through a hydraulic pipeline, a liquid level sensor 504 is arranged on the water tank 503, a flow sensor II 507 is further arranged on the hydraulic pipeline, and a pressure sensor III 502 is further arranged on the valve body hydrostatic test clamping seat 501.
Thus, the pressure sensor III 502 obtains the pressure value of the valve body hydrostatic test, and the observation that the breather valve has no leakage and deformation indicates that the breather valve body hydrostatic test is qualified.
Further, the control and interaction module 1 includes a central processor 101, the central processor 101 is in control connection with a man-machine interaction interface 103, a frequency converter 102 and a data acquisition card, the man-machine interaction interface 103 is used for user operation input and display of test data results, the frequency converter 102 is used for controlling the work of each component of the gas medium generation module 2, the opening pressure and leakage amount detection module 3, the ventilation amount detection module 4 and the valve body hydrostatic test module 5, and the data acquisition card is used for collecting data information collected by the gas medium generation module 2, the opening pressure and leakage amount detection module 3, the ventilation amount detection module 4 and the valve body hydrostatic test module 5.
Specifically, the control and interaction module 1, the gas medium generating module 2, the opening pressure and leakage amount detecting module 3 and the ventilation amount detecting module 4 can detect the opening pressure, the leakage amount and the ventilation amount of the breather valve, and the central processor 101 in the control and interaction module 1 is connected with the gas medium generating module 2, the opening pressure and leakage amount detecting module 3, the ventilation amount detecting module 4 and the valve body hydrostatic test module 5 through control lines, and the gas medium generating module 2, the opening pressure and leakage amount detecting module 3 and the ventilation amount detecting module 4 are connected through pneumatic pipelines. The detection system has higher integration, and the data acquisition card acquires detection data of the flow sensor I206, the temperature sensor I304, the humidity sensor I305, the pressure sensor I306, the temperature sensor II 401, the anemometer 404, the pressure sensor II 405, the humidity sensor II 407, the pressure sensor III 502, the liquid level sensor 504, the electromagnetic switch valve II 505 and the flow sensor II 507 in real time and feeds the detection data back to the central processor 101. The central processor 101 controls the positive and negative pressure dual-purpose pump 201, the three-position three-way electromagnetic directional valve I202, the electromagnetic switch valve I203, the electric regulating valve I204, the three-position three-way electromagnetic directional valve II 207, the electromagnetic relief valve I301, the electromagnetic relief valve II 402, the electromagnetic switch valve II 505, the booster pump 506 and the electric regulating valve II 508 through the frequency converter 102 according to feedback data. The problems that the existing breather valve delivery detection system is low in integration degree, the breather valve full-parameter detection is difficult to realize at one time, the operation is complex, and the labor intensity of operators is greatly increased are solved; the valve body hydrostatic test module 5 can carry out breather valve body hydrostatic test, pressure sensor III 502 can detect pressure variation (contact state) on the breather valve body, liquid level sensor 504 can detect liquid level variation in the basin 503, electromagnetic switch valve II 505 realizes the break-make of hydraulic pressure pipeline, electric regulating valve II 508 realizes the pressure control of hydraulic pressure pipeline, flow sensor II 507 can detect the flow that hydraulic pressure pipeline flows through, has solved the difficult problem that current breather valve detection system can't carry out breather valve body hydrostatic test.
The man-machine interaction interface is mainly used for user operation input and display of test data results, such as positive opening pressure, negative opening pressure, leakage amount, ventilation amount, valve body water pressure and the like. The frequency converter converts output signals of users to control opening and closing of each electromagnetic reversing valve, each electromagnetic switching valve, each electric regulating valve and each electromagnetic emptying valve and the communication channels. The data acquisition card is used for converting input signals, such as data signals of each liquid level sensor, pressure sensor, temperature sensor, humidity sensor, flow sensor, anemometer and the like.
The invention also provides a method for detecting the whole parameters of the delivery test of the breather valve, which comprises the following specific implementation processes:
1. the breather valve ventilation detection method specifically comprises the following steps of;
1.1, a breather valve to be detected is arranged on a ventilation detecting clamping jaw, a power switch is started, an electromagnetic switch valve I203 is opened by a central processor 101, a positive and negative pressure dual-purpose pump 201 is controlled to run positively, a positive detection medium is provided, YA1 and YA3 are powered on, the detection medium flows to a pressure tank II 406 from the positive and negative pressure dual-purpose pump 201, at the moment, the pressure of a pneumatic pipeline is controlled by an electric regulating valve I204, and a dry filter 205, a flow sensor I206, a temperature sensor II 401, an anemometer 404, a pressure sensor II 405 and a humidity sensor II 407 are in working states;
1.2, adjusting the opening of the electric regulating valve I204 to enable the pressure in the pressure tank II 406 to be the detection pressure, detecting the flow value on the air pressure pipeline by the anemometer 404, and recording once per minute to obtain the positive ventilation of the breather valve;
1.3 the central processor 101 controls the positive and negative pressure dual-purpose pump 201 to reversely run, negative detection media are provided, YA2 and YA4 are powered, the detection media flow to the positive and negative pressure dual-purpose pump 201 from the pressure tank II 406, at the moment, the pressure of the air pressure pipeline is controlled by the electric regulating valve I204, and the drying filter 205, the flow sensor I206, the temperature sensor II 401, the anemometer 404, the pressure sensor II 405 and the humidity sensor II 407 are in working states;
1.4, the opening of the electric regulating valve I204 is regulated, so that the pressure in the pressure tank II 406 is the detection pressure, the anemometer 404 detects the flow value on the air pressure pipeline, and the negative ventilation of the respiratory valve is obtained after recording once per minute.
2. The method for detecting the water pressure of the valve body of the breather valve specifically comprises the following steps:
2.1, mounting a breather valve to be detected on a valve body hydraulic test clamping seat 501, mounting a pressure sensor III 502 on the breather valve to be detected, opening an electromagnetic switch valve II 505 by a central processor 101 and controlling a booster pump 506 to operate, wherein the pressure of a hydraulic pipeline is controlled by an electric regulating valve II 508, and the pressure sensor III 502, a liquid level sensor 504 and a flow sensor II 507 are in working states;
2.2 controlling the pressure level of the hydrostatic test to 0.2MPa, keeping the pressure for 10min, and indicating that the hydrostatic test of the valve body of the breather valve is qualified if the breather valve has no leakage or deformation.
3. The method for detecting the opening pressure and the leakage quantity of the breather valve specifically comprises the following steps:
3.1, installing a breather valve to be detected on a starting pressure and leakage detection clamping jaw, opening an electromagnetic switch valve I203 by a central processor 101, controlling a positive and negative pressure dual-purpose pump 201 to run positively, providing a positive detection medium, enabling YA1 and YA3 to be powered, enabling the detection medium to flow to a pressure tank I302 by the positive and negative pressure dual-purpose pump 201, controlling the pressure of a pneumatic pipeline by an electric regulating valve I204 at the moment, and enabling a dry filter 205, a flow sensor I206, a temperature sensor I304, a humidity sensor I305 and a pressure sensor I306 to be in a working state;
3.2, adjusting the opening of the electric regulating valve I204 to gradually increase or decrease the pressure in the surge tank I, adjusting the breather valve disc to be in an open state, obtaining the forward opening pressure by the pressure sensor I306, obtaining the forward leakage amount by the flow sensor I206, and recording once per minute;
3.3 the central processor 101 controls the positive and negative pressure dual-purpose pump 201 to reversely run to provide negative and positive detection media, YA2 and YA4 are powered, the detection media flow to the positive and negative pressure dual-purpose pump 201 from the pressure tank I302, at the moment, the pressure of the air pressure pipeline is controlled by the electric regulating valve I204, and the drying filter 205, the flow sensor I206, the temperature sensor I304, the humidity sensor I305 and the pressure sensor I306 are in working states;
3.4, adjusting the opening of the electric regulating valve I204 to gradually increase or decrease the pressure in the surge tank I, adjusting the breather valve disc to be in an open state, obtaining the negative opening pressure by the pressure sensor I306, obtaining the negative leakage amount by the flow sensor I206, and recording once per minute;
3.5, respectively rotating the breather valve disc by 90 degrees and 180 degrees, and repeating the operation for three times under each working condition;
4. after the detection is completed, the central processor 101 opens the electromagnetic relief valve I301 and the electromagnetic relief valve II 402 to discharge high-pressure gas in the pressure tank I302 and the pressure tank II 406, the test system and the valve are closed, and the human-computer interaction interface 103 automatically generates detection data of the opening pressure, leakage quantity, ventilation quantity and valve body hydrostatic test of the breather valve and provides a detection result report.
The detection system has higher integration degree and comprehensive test function, can detect the opening pressure, leakage and ventilation of the breather valve at one time, is simple and convenient to operate, and greatly reduces the labor intensity of operators. The valve body hydrostatic test module 5 can carry out breather valve body hydrostatic test, and whether the breather valve body can meet the design requirement and the sealing requirement is detected to satisfy the factory detection requirement of the breather valve.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A breather valve factory test full parameter detecting system which is characterized in that: the device comprises a control and interaction module (1), a gas medium generation module (2), a starting pressure and leakage amount detection module (3), a ventilation amount detection module (4) and a valve body water pressure test module (5);
the control and interaction module (1) is connected with the gas medium generation module (2), the opening pressure and leakage amount detection module (3), the ventilation amount detection module (4) and the valve body water pressure test module (5) through control lines;
the gas medium generating module (2), the opening pressure and leakage detecting module (3) and the ventilation detecting module (4) are connected through a gas pressure pipeline;
the control and interaction module (1) is used for controlling the working states of the gas medium generation module (2), the opening pressure and leakage amount detection module (3), the ventilation amount detection module (4) and the valve body water pressure test module (5) and collecting information of each module;
the gas medium generation module (2) is used for generating a forward and reverse detection medium required by detection; the opening pressure and leakage amount detection module (3) is used for detecting the opening pressure and leakage amount of the breather valve, and the ventilation amount detection module (4) is used for detecting the ventilation amount of the breather valve; the valve body hydrostatic test module (5) is used for realizing the hydrostatic test of the breather valve body.
2. The respiratory valve factory test full-parameter detection system according to claim 1, wherein: the gas medium generation module (2) comprises a positive and negative pressure dual-purpose pump (201), a three-position three-way electromagnetic reversing valve I (202), an electromagnetic switch valve I (203), an electric regulating valve I (204), a drying filter (205), a flow sensor I (206) and a three-position three-way electromagnetic reversing valve II (207), wherein three interfaces of the three-position three-way electromagnetic reversing valve I (202) are respectively connected with a positive pressure air pipe, a negative pressure air pipe and one end of the electromagnetic switch valve I (203) of the positive and negative pressure dual-purpose pump (201), and the other end of the electromagnetic switch valve I (203) is sequentially connected with one interface of the electric regulating valve I (204), the drying filter (205), the flow sensor I (206) and the three-position three-way electromagnetic reversing valve II (207) through the air pressure pipeline, and the other two interfaces of the three-position three-way electromagnetic reversing valve II (207) are respectively connected with the opening pressure and leakage detection module (3) and the ventilation quantity detection module (4).
3. The respiratory valve factory test full-parameter detection system according to claim 2, wherein: the opening pressure and leakage amount detection module (3) comprises a pressure tank I (302) connected with a three-position three-way electromagnetic reversing valve II (207) through an air pressure pipeline, an opening pressure and leakage amount detection clamping jaw is arranged at the top of the pressure tank I (302), and a temperature sensor I (304), a humidity sensor I (305), a pressure sensor I (306) and an electromagnetic emptying valve I (301) are further arranged on the pressure tank I (302).
4. The respiratory valve factory test full-parameter detection system according to claim 2, wherein: the ventilation quantity detection module (4) comprises a pressure tank II (406) connected with a three-position three-way electromagnetic reversing valve II (207) through an air pressure pipeline, a ventilation quantity detection clamping jaw is arranged at the top of the pressure tank II (406), a temperature sensor II (401), a humidity sensor II (407), a pressure sensor II (405) and an electromagnetic emptying valve II (402) are further arranged on the pressure tank II (406), and an anemometer (404) is further arranged on the air pressure pipeline between the three-position three-way electromagnetic reversing valve II (207) and the pressure tank II (406).
5. The respiratory valve factory test full-parameter detection system according to claim 1, wherein: valve body hydrostatic test module (5) are including basin (503), electromagnetic switch valve II (505), booster pump (506) electric control valve II (508) and valve body hydrostatic test clamping seat (501) that connect gradually through the hydraulic pressure pipeline, be provided with liquid level sensor (504) on basin (503), still be provided with flow sensor II (507) on the hydraulic pressure pipeline, still be provided with pressure sensor III (502) on valve body hydrostatic test clamping seat (501).
6. The respiratory valve factory test full-parameter detection system according to claim 1, wherein: the control and interaction module (1) comprises a central processor (101), the central processor (101) is in control connection with a human-computer interaction interface (103), a frequency converter (102) and a data acquisition card, the human-computer interaction interface (103) is used for user operation input and display of test data results, the frequency converter (102) is used for controlling the work of each component of the gas medium generation module (2), the opening pressure and leakage amount detection module (3), the ventilation amount detection module (4) and the valve body hydraulic test module (5), and the data acquisition card is used for collecting data information acquired by the gas medium generation module (2), the opening pressure and leakage amount detection module (3), the ventilation amount detection module (4) and the valve body hydraulic test module (5).
7. A method for detecting all parameters of a delivery test of a breather valve is characterized by comprising the following steps of: a factory test full parameter detection system comprising the respiratory valve of any one of the preceding claims 1-6.
8. The method for detecting the full parameters of the delivery test of the breather valve according to claim 7, wherein: the breather valve ventilation detection method specifically comprises the following steps of;
1.1, a breather valve to be detected is arranged on a ventilation detecting clamping jaw, a power switch is started, a central processor (101) opens an electromagnetic switch valve I (203) and controls a positive and negative pressure dual-purpose pump (201) to operate positively to provide a positive detection medium, and at the moment, the pressure of a pneumatic pipeline is controlled by an electric regulating valve I (204), and a drying filter (205), a flow sensor I (206), a temperature sensor II (401), an anemometer (404), a pressure sensor II (405) and a humidity sensor II (407) are in working states;
1.2, adjusting the opening of an electric regulating valve I (204) to enable the pressure in a pressure tank II (406) to be the detection pressure, and recording the flow value of an anemometer (404) on a pneumatic pipeline once per minute to obtain the positive ventilation of a breather valve;
1.3 the central processor (101) controls the positive and negative pressure dual-purpose pump (201) to reversely run to provide a negative detection medium, and the pressure of the air pressure pipeline is controlled by the electric regulating valve I (204), and the drying filter (205), the flow sensor I (206), the temperature sensor II (401), the anemometer (404), the pressure sensor II (405) and the humidity sensor II (407) are in working states;
1.4, the opening of the electric regulating valve I (204) is regulated, so that the pressure in the pressure tank II (406) is the detection pressure, the anemometer (404) detects the flow value on the air pressure pipeline, and the negative ventilation of the respiratory valve is obtained after recording once per minute.
9. The respiratory valve factory test full-parameter detection system and method according to claim 7, wherein: the method for detecting the water pressure of the valve body of the breather valve specifically comprises the following steps:
2.1, mounting a breather valve to be detected on a valve body hydraulic test clamping seat (501), mounting a pressure sensor III (502) on the breather valve to be detected, opening an electromagnetic switch valve II (505) by a central processor (101) and controlling a booster pump (506) to operate, wherein the pressure of a hydraulic pipeline is controlled by an electric regulating valve II (508), and the pressure sensor III (502), a liquid level sensor (504) and a flow sensor II (507) are in working states;
2.2 controlling the pressure level of the hydrostatic test to 0.2MPa, keeping the pressure for 10min, and indicating that the hydrostatic test of the valve body of the breather valve is qualified if the breather valve has no leakage or deformation.
10. The respiratory valve factory test full-parameter detection system and method according to claim 7, wherein: the method for detecting the opening pressure and the leakage quantity of the breather valve specifically comprises the following steps:
3.1, installing a breather valve to be detected on a clamping jaw for detecting opening pressure and leakage, opening an electromagnetic switch valve I (203) by a central processor (101) and controlling a positive and negative pressure dual-purpose pump (201) to run forward to provide a forward detection medium, wherein the pressure of a pneumatic pipeline is controlled by an electric regulating valve I (204), and a drying filter (205), a flow sensor I (206), a temperature sensor I (304), a humidity sensor I (305) and a pressure sensor I (306) are in working states;
3.2, adjusting the opening of the electric regulating valve I (204) to gradually increase or decrease the pressure in the pressure stabilizing tank I, adjusting the breathing valve disc to be in an opening state, obtaining the forward opening pressure by the pressure sensor I (306), obtaining the forward leakage amount by the flow sensor I (206), and recording once per minute;
3.3 the central processor (101) controls the positive and negative pressure dual-purpose pump (201) to run reversely to provide a negative and positive detection medium, and the pressure of the air pressure pipeline is controlled by the electric regulating valve I (204), and the drying filter (205), the flow sensor I (206), the temperature sensor I (304), the humidity sensor I (305) and the pressure sensor I (306) are in working states;
3.4, adjusting the opening of the electric regulating valve I (204) to gradually increase or decrease the pressure in the pressure stabilizing tank I, adjusting the breathing valve disc to be in an opening state, obtaining the negative opening pressure by the pressure sensor I (306), and obtaining the negative leakage amount by the flow sensor I (206), wherein the negative leakage amount is recorded once per minute;
3.5, respectively rotating the breather valve disc by 90 degrees and 180 degrees, and repeating the operation for three times under each working condition;
4. after detection is completed, the central processor (101) opens the electromagnetic emptying valve I (301) and the electromagnetic emptying valve II (402) to discharge high-pressure gas in the pressure tank I (302) and the pressure tank II (406), the test system and the valve are closed, and the human-computer interaction interface (103) automatically generates detection data of the opening pressure, the leakage quantity, the ventilation quantity and the valve body hydrostatic test of the breather valve and reports the detection results.
CN202310288084.2A 2023-03-22 2023-03-22 Respiratory valve delivery test full-parameter detection system and method Pending CN116429409A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117906879A (en) * 2024-03-19 2024-04-19 上海金子自动化仪表有限公司 Breather valve detection method and detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117906879A (en) * 2024-03-19 2024-04-19 上海金子自动化仪表有限公司 Breather valve detection method and detection device
CN117906879B (en) * 2024-03-19 2024-05-17 上海金子自动化仪表有限公司 Breather valve detection method and detection device

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