CN112924159B - Comprehensive performance testing device and method for double-channel distribution valve - Google Patents
Comprehensive performance testing device and method for double-channel distribution valve Download PDFInfo
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- CN112924159B CN112924159B CN201911246541.1A CN201911246541A CN112924159B CN 112924159 B CN112924159 B CN 112924159B CN 201911246541 A CN201911246541 A CN 201911246541A CN 112924159 B CN112924159 B CN 112924159B
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- 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
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Abstract
The invention belongs to the technical field of valve performance test, and relates to a comprehensive performance test device for a double-channel distribution valve, which is characterized by comprising an air source (1), a pressure regulating table (5), a second pressure regulating valve (2-2), a second pressure gauge (4-2), a third pressure gauge (4-3), a fourth pressure gauge (4-4), a switch valve (6), a flowmeter (7), a test box (10), a power supply (11), a vacuum device (12), an oscilloscope (13), a first deicing sleeve (14-1) and a second deicing sleeve (14-2). The testing method is simple to operate, the used comprehensive performance testing system is simple to configure, the comprehensive performance testing capability of the double-channel distribution valve can be effectively realized, the comprehensive performance testing capability comprises pressure, flow and vacuum degree, the internal pressure switching signals of the double-channel distribution valve are collected, the technical index of the double-channel distribution valve is ensured to meet the requirements, and the testing is reliable and stable.
Description
Technical Field
The invention belongs to the technical field of valve performance test, and relates to a comprehensive performance test device and method for a double-channel distribution valve.
Background
The double-channel distributing valve belongs to a component of an aircraft airbag deicing system and is critical to the safe operation of the airbag deicing system. Because the double-channel distribution valve belongs to foreign imported products, no effective performance detection means exists in the prior work, and in order to effectively verify the performance of the double-channel distribution valve, ground test verification is required. The comprehensive performance test of the double-channel distributing valve is realized by detecting the pressure and flow rate, the vacuum degree and the pressure switch set value during inflation.
Disclosure of Invention
The purpose of the invention is that: the comprehensive performance testing device and method for the double-channel distribution valve can effectively achieve the detection capability of the comprehensive performance of the double-channel distribution valve, wherein the comprehensive performance testing device comprises pressure, flow and vacuum degree, and acquires pressure switch signals inside the double-channel distribution valve, so that the technical index of the double-channel distribution valve is ensured to meet the requirements, and the test is reliable and stable.
The technical scheme of the invention is as follows: the comprehensive performance testing device for the double-channel distribution valve comprises an air source 1, a pressure regulating table 5, a second pressure regulating valve 2-2, a second pressure gauge 4-2, a third pressure gauge 4-3, a fourth pressure gauge 4-4, a switching valve 6, a flowmeter 7, a test box 10, a power supply 11, a vacuum device 12, an oscilloscope 13, a first deicing sleeve 14-1 and a second deicing sleeve 14-2;
the whole air path is connected with a double-channel distributing valve 9 through an air source 1, a pressure regulating table 5, a second pressure regulating valve 2-2, a second pressure gauge 4-2, a switch valve 6 and a flowmeter 7 in sequence; the power supply 11 and the test box 10 are sequentially and electrically connected with the double-channel distribution valve 9; the vacuum device 12 is directly connected with the double-channel distributing valve 9; the oscilloscope 13 is directly connected with the double-channel distributing valve 9; the third pressure gauge 4-3 and the first deicing sleeve 14-1 are sequentially connected with the double-channel distributing valve 9 in a gas way; the fourth pressure gauge 4-4 and the second deicing sleeve 14-2 are sequentially connected with the double-channel distributing valve 9 in an air way.
The pressure regulating platform 5 comprises a first pressure regulating valve 2-1, a gas storage tank 3 and a first pressure gauge 4-1, which are sequentially installed and connected through a gas circuit.
The test box 10 supplies power and collects parameters to the double-channel distributing valve 9.
The parameters include pressure in the gas path, flow rate and switching signals in the two-channel distribution valve 9.
2. A comprehensive performance test method of a double-channel distribution valve comprises the following steps:
the first step, the air source 1 is started, the compressed air is subjected to first-round pressure regulation through the pressure regulating table 5, and the second-round pressure regulation is performed after the pressure value is stable.
And secondly, the pressure regulation of the second wheel is carried out through a second pressure regulating valve 2-2, the current pressure value of the air after the pressure regulation is detected through a second pressure gauge 4-2, a switching valve 6 is opened after the pressure value is stabilized, the air after the pressure stabilization enters a double-channel distributing valve 9, and the flow in a gas path is detected through a flowmeter 7.
Thirdly, switching on a power supply 11 and a test box 10, controlling the two-channel distribution valve 9 to charge and discharge the first deicing sleeve 14-1 and the second deicing sleeve 14-2 respectively, detecting the pressure in the first deicing sleeve 14-1 and the second deicing sleeve 14-2 through the third pressure gauge 4-3 and the fourth pressure gauge 4-4, and indicating that the gas supply pressure of the two-channel distribution valve 9 meets performance requirements when the pressure value is between (0.121-0.158) MPa.
Fourth, the vacuum device 12 is started to detect the vacuum degree generated when the two-channel distributing valve 9 performs the air suction function; the oscilloscope 13 is started to detect the action time of the pressure switch inside the double-channel distributing valve 9.
The first wheel pressure regulation is carried out through the regulation of a first pressure regulating valve 2-1 in a pressure regulating table 5, the first wheel pressure value is stored in a gas storage tank 3 after being stabilized, and the first wheel pressure regulation is connected with a first pressure gauge 4-1 to detect the current pressure.
The second wheel pressure regulation is regulated by a second pressure regulating valve 2-2.
The pressure regulating value of the first round is stabilized at (0.15-0.4) MPa.
The invention has the advantages and beneficial effects that: the testing method is simple to operate, the used comprehensive performance testing system is simple to configure, the comprehensive performance testing capability of the double-channel distribution valve can be effectively realized, the comprehensive performance testing capability comprises pressure, flow and vacuum degree, the internal pressure switching signals of the double-channel distribution valve are collected, the technical index of the double-channel distribution valve is ensured to meet the requirements, and the testing is reliable and stable.
Drawings
FIG. 1 is a schematic diagram of a dual channel distribution valve integrated performance testing apparatus of the present invention;
wherein 1: a gas source; 2-1: a first pressure regulating valve; 2-2: a second pressure regulating valve; 3: a gas storage tank; 4-1: a first pressure gauge; 4-2: a second pressure gauge; 4-3: a third pressure gauge; 4-4: a fourth pressure gauge; 5: a pressure regulating table; 6: a switch valve; 7: a flow meter; 9: a dual channel distribution valve; 10: a test cartridge; 11: a power supply; 12: a vacuum device; 13: an oscilloscope; 14-1: a first deicing sleeve; 14-2: and a second deicing sleeve.
Detailed Description
The present invention will be described in further detail below.
The comprehensive performance testing device for the double-channel distribution valve is characterized by comprising an air source 1, a pressure regulating table 5, a second pressure regulating valve 2-2, a second pressure gauge 4-2, a third pressure gauge 4-3, a fourth pressure gauge 4-4, a switching valve 6, a flowmeter 7, a testing box 10, a power supply 11, a vacuum device 12, an oscilloscope 13, a first deicing sleeve 14-1 and a second deicing sleeve 14-2;
the whole air path is connected with a double-channel distributing valve 9 through an air source 1, a pressure regulating table 5, a second pressure regulating valve 2-2, a second pressure gauge 4-2, a switch valve 6 and a flowmeter 7 in sequence; the power supply 11 and the test box 10 are sequentially and electrically connected with the double-channel distribution valve 9; the vacuum device 12 is directly connected with the double-channel distributing valve 9; the oscilloscope 13 is directly connected with the double-channel distributing valve 9; the third pressure gauge 4-3 and the first deicing sleeve 14-1 are sequentially connected with the double-channel distributing valve 9 in a gas way; the fourth pressure gauge 4-4 and the second deicing sleeve 14-2 are sequentially connected with the double-channel distributing valve 9 in an air way.
The pressure regulating table 5 comprises a first pressure regulating valve 2-1, a gas storage tank 3 and a first pressure gauge 4-1, which are sequentially installed and connected through a gas path; the test box 10 supplies power and collects parameters to the double-channel distribution valve 9; the parameters include pressure in the gas path, flow and switching signals in the two-channel distribution valve 9.
A comprehensive performance test method of a double-channel distribution valve comprises the following steps:
firstly, an air source 1 is started, compressed air is subjected to first-wheel pressure regulation through a pressure regulating table 5, a first pressure regulating valve 2-1 in the pressure regulating table 5 is used for regulating the pressure of the first wheel, the first-wheel pressure value is stored in an air storage tank 3 after being stabilized, and the first pressure meter 4-1 is connected for detecting the current pressure; after the pressure value is stable, carrying out second-round pressure regulation; the second wheel pressure regulation is regulated by a second pressure regulating valve 2-2.
And secondly, the pressure regulation of the second wheel is carried out through a second pressure regulating valve 2-2, the current pressure value of the air after the pressure regulation is detected through a second pressure gauge 4-2, a switching valve 6 is opened after the pressure value is stabilized, the air after the pressure stabilization enters a double-channel distributing valve 9, and the flow in a gas path is detected through a flowmeter 7.
Thirdly, switching on a power supply 11 and a test box 10, controlling the two-channel distribution valve 9 to charge and discharge the first deicing sleeve 14-1 and the second deicing sleeve 14-2 respectively, detecting the pressure in the first deicing sleeve 14-1 and the second deicing sleeve 14-2 through the third pressure gauge 4-3 and the fourth pressure gauge 4-4, and indicating that the gas supply pressure of the two-channel distribution valve 9 meets performance requirements when the pressure value is between (0.121-0.158) MPa.
Fourth, the vacuum device 12 is started to detect the vacuum degree generated when the two-channel distributing valve 9 performs the air suction function; the oscilloscope 13 is started to detect the action time of the pressure switch inside the double-channel distributing valve 9.
Example 1:
in a certain double-channel distribution valve comprehensive performance test, the method specifically comprises the following steps:
firstly, an air source 1 is started, compressed air with the pressure of 0.8MPa passes through a pressure regulating table 5, a first round of pressure value is stabilized at (0.15-0.4) MPa and then stored in a gas tank 3, and the first round of pressure value is connected with a first pressure gauge 4-1 for detection, wherein the current pressure is 0.2MPa.
The second step, the compressed air with the pressure of 0.2MPa after the first round stabilization is sent to a second pressure regulating valve 2-2 through a pressure regulating table 5 for second round pressure regulation, the second pressure gauge 4-2 is connected for detection, the current pressure is 0.124MPa, the pressure value is stabilized within the interval of (0.121-0.158) MPa, the switch valve 6 is opened, the compressed air is sent to a double-channel distributing valve 9, the middle of the air channel is connected with a flowmeter 7, and the detected air flow rate is 0.965m 3 /min。
And thirdly, switching on a power supply 11 and a test box 10, controlling a double-channel distribution valve 9 to respectively charge and discharge the first deicing sleeve 14-1 and the second deicing sleeve 14-2, and detecting the current pressure to be 0.124MPa and 0.125MPa respectively through a third pressure gauge 4-3 and a fourth pressure gauge 4-4.
And fourthly, starting a vacuum device 12, and detecting the vacuum degree generated by the double-channel distributing valve 9 when the air suction function is performed, wherein the actual detection value is 5.3' Hg. The oscilloscope 13 is started, the action time of the pressure switch in the double-channel distributing valve 9 is detected, and the actual measurement time is 0.5s.
Claims (5)
1. The comprehensive performance testing device for the double-channel distribution valve is characterized by comprising an air source (1), a pressure regulating table (5), a second pressure regulating valve (2-2), a second pressure gauge (4-2), a third pressure gauge (4-3), a fourth pressure gauge (4-4), a switch valve (6), a flowmeter (7), a test box (10), a power supply (11), a vacuum device (12), an oscilloscope (13), a first deicing sleeve (14-1) and a second deicing sleeve (14-2); the whole air path is sequentially connected with a double-channel distribution valve (9) through an air source (1), a pressure regulating table (5), a second pressure regulating valve (2-2), a second pressure gauge (4-2), a switching valve (6) and a flowmeter (7); the power supply (11) and the test box (10) are electrically connected with the double-channel distribution valve (9) in sequence; the vacuum device (12) is connected with the double-channel distributing valve (9); the oscilloscope (13) is connected with the double-channel distributing valve (9); the third pressure gauge (4-3) and the first deicing sleeve (14-1) are sequentially connected with the double-channel distributing valve (9) in a gas way; the fourth pressure gauge (4-4) and the second deicing sleeve (14-2) are sequentially connected with the double-channel distributing valve (9) in a gas way;
the pressure regulating table (5) comprises a first pressure regulating valve (2-1), a gas storage tank (3) and a first pressure gauge (4-1) which are sequentially installed and connected through a gas path;
the test box (10) supplies power to the double-channel distribution valve (9) and collects parameters; the parameters comprise pressure, flow and switching signals in the two-channel distribution valve (9) in the gas path;
the vacuum device (12) is used for detecting the vacuum degree generated when the two-channel distributing valve (9) performs the air suction function; the oscilloscope (13) is used for detecting the action time of the pressure switch in the double-channel distributing valve (9).
2. The dual channel distribution valve integrated performance testing apparatus integrated performance testing method according to claim 1, wherein: the method comprises the following steps:
firstly, an air source (1) is started, compressed air is subjected to first-wheel pressure regulation through a pressure regulating table (5), and second-wheel pressure regulation is performed after a pressure value is stable;
the second step, the second wheel pressure regulation is carried out through a second pressure regulating valve (2-2), the air after the pressure regulation detects the current pressure value through a second pressure gauge (4-2), a switch valve (6) is opened after the pressure value is stable, the air after the pressure regulation enters a double-channel distributing valve (9), and the flow in a gas path is detected through a flowmeter (7);
thirdly, switching on a power supply (11) and a test box (10), controlling a double-channel distribution valve (9) to respectively charge and discharge a first deicing sleeve (14-1) and a second deicing sleeve (14-2), detecting the pressure in the first deicing sleeve (14-1) and the second deicing sleeve (14-2) through a third pressure gauge (4-3) and a fourth pressure gauge (4-4), and indicating that the gas supply pressure of the double-channel distribution valve (9) meets performance requirements when the pressure value is between 0.121 and 0.158 MPa;
step four, starting a vacuum device (12), and detecting the vacuum degree generated when the double-channel distributing valve 9 performs the air suction function; and opening an oscilloscope (13) to detect the action time of the pressure switch in the double-channel distribution valve (9).
3. The comprehensive performance testing method of the double-channel distribution valve comprehensive performance testing device according to claim 2, wherein the first wheel pressure regulation is carried out through the regulation of a first pressure regulating valve (2-1) in a pressure regulating table (5), the first wheel pressure value is stored in a gas storage tank (3) after being stabilized, and the first wheel pressure is connected with a first pressure gauge (4-1) to detect the current pressure.
4. The method for testing the comprehensive performance of the double-channel distribution valve comprehensive performance testing device according to claim 2, wherein the second wheel pressure regulation is regulated by a second pressure regulating valve (2-2).
5. The method for testing the comprehensive performance of the two-channel distribution valve comprehensive performance testing device according to claim 2, wherein the pressure value of the first round of pressure regulation is stabilized between 0.15 and 0.4MPa.
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| CN201911246541.1A CN112924159B (en) | 2019-12-06 | 2019-12-06 | Comprehensive performance testing device and method for double-channel distribution valve |
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| CN201911246541.1A CN112924159B (en) | 2019-12-06 | 2019-12-06 | Comprehensive performance testing device and method for double-channel distribution valve |
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| CN112924159B true CN112924159B (en) | 2023-08-04 |
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| CN115575083B (en) * | 2022-12-12 | 2023-03-21 | 中国空气动力研究与发展中心低速空气动力研究所 | Verification device and verification method for control strategy of air bag controller |
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