CN112924159A - Device and method for testing comprehensive performance of dual-channel distribution valve - Google Patents
Device and method for testing comprehensive performance of dual-channel distribution valve Download PDFInfo
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- CN112924159A CN112924159A CN201911246541.1A CN201911246541A CN112924159A CN 112924159 A CN112924159 A CN 112924159A CN 201911246541 A CN201911246541 A CN 201911246541A CN 112924159 A CN112924159 A CN 112924159A
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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 testing, and relates to a comprehensive performance testing device of 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 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 test method is simple to operate, the used comprehensive performance test system is simple in configuration, the detection capability of the comprehensive performance of the dual-channel distribution valve can be effectively realized, the detection capability comprises pressure, flow and vacuum degree, and pressure switch signals in the dual-channel distribution valve are collected, so that the technical indexes of the dual-channel distribution valve meet the requirements, and the test is reliable and stable.
Description
Technical Field
The invention belongs to the technical field of valve performance testing, and relates to a device and a method for testing comprehensive performance of a dual-channel distribution valve.
Background
The double-channel distribution valve belongs to a component of an aircraft airbag deicing system and is vital to safe operation of the airbag deicing system. Because the dual-channel distribution valve belongs to foreign imported products, no effective performance detection means exists in the past work, and ground test verification is required to be carried out in order to effectively verify the performance of the dual-channel distribution valve. The comprehensive performance test of the double-channel distribution valve is realized by detecting the pressure and flow during inflation, the vacuum degree and the set value of a pressure switch.
Disclosure of Invention
The purpose of the invention is: the device and the method for testing the comprehensive performance of the double-channel distribution valve can effectively realize the detection capability of the comprehensive performance of the double-channel distribution valve, wherein the detection capability comprises pressure, flow and vacuum degree, and the internal pressure switch signal of the double-channel distribution valve is acquired, so that the technical indexes of the double-channel distribution valve can meet the requirements, and the test is reliable and stable.
The technical scheme of the invention is as follows: a double-channel distribution valve comprehensive performance testing device is composed of an air source 1, a pressure regulating platform 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 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 gas circuit is connected with a double-channel distribution valve 9 through a gas 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 electrically connected with the dual-channel distribution valve 9 in sequence; the vacuum device 12 is directly connected with the double-channel distribution valve 9; the oscilloscope 13 is directly connected with the dual-channel distribution valve 9; the third pressure gauge 4-3 and the first deicing sleeve 14-1 are sequentially connected with the double-channel distribution valve 9 through a gas circuit; and the fourth pressure gauge 4-4 and the second deicing sleeve 14-2 are sequentially connected with the double-channel distribution valve 9 through a gas circuit.
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 to the two-channel distribution valve 9 and collects parameters.
The parameters include pressure, flow rate in the gas path and switching signals in the two-way distribution valve 9.
2. A method for testing the comprehensive performance of a dual-channel distribution valve comprises the following steps:
firstly, an air source 1 is started, compressed air carries out first round pressure regulation through a pressure regulating table 5, and second round pressure regulation is carried out after a pressure value is stable.
And secondly, pressure regulation is performed in the second round through a second pressure regulating valve 2-2, the air after 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 stabilized, the air after pressure stabilization enters a double-channel distribution valve 9, and the flow in the air path is detected through a flowmeter 7.
And thirdly, switching on a power supply 11 and a test box 10, controlling the dual-channel distribution valve 9 to respectively charge and discharge air to and from the first deicing sleeve 14-1 and the 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 air supply pressure of the dual-channel distribution valve 9 meets the performance requirement when the pressure value is between (0.121 and 0.158) MPa.
Fourthly, starting the vacuum device 12 to detect the vacuum degree generated when the double-channel distribution valve 9 performs the air suction function; the oscilloscope 13 is turned on to detect the action time of the pressure switch inside the two-channel distribution valve 9.
The first round of pressure regulation is carried out through a first pressure regulating valve 2-1 in a pressure regulating table 5, the first round of pressure value is stored in a gas storage tank 3 after being stabilized, and the first pressure regulating valve 4-1 is connected to detect the current pressure.
The second round of pressure regulation is regulated by a second pressure regulating valve 2-2.
The pressure regulating pressure value of the first wheel is stabilized at (0.15-0.4) MPa.
The invention has the advantages and beneficial effects that: the test method is simple to operate, the used comprehensive performance test system is simple in configuration, the detection capability of the comprehensive performance of the dual-channel distribution valve can be effectively realized, the detection capability comprises pressure, flow and vacuum degree, and pressure switch signals in the dual-channel distribution valve are collected, so that the technical indexes of the dual-channel distribution valve meet the requirements, and the test is reliable and stable.
Drawings
FIG. 1 is a schematic view of a device for testing the comprehensive performance of a two-channel distribution valve according to 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 platform; 6: an on-off valve; 7: a flow meter; 9: a two-way distribution valve; 10: a test cartridge; 11: a power source; 12: a vacuum device; 13: an oscilloscope; 14-1: a first de-icing sleeve; 14-2: and a second deicing sleeve.
Detailed Description
The present invention is described in further detail below.
A double-channel distribution valve comprehensive performance testing device is characterized by comprising an air source 1, a pressure regulating platform 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 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 gas circuit is connected with a double-channel distribution valve 9 through a gas 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 electrically connected with the dual-channel distribution valve 9 in sequence; the vacuum device 12 is directly connected with the double-channel distribution valve 9; the oscilloscope 13 is directly connected with the dual-channel distribution valve 9; the third pressure gauge 4-3 and the first deicing sleeve 14-1 are sequentially connected with the double-channel distribution valve 9 through a gas circuit; and the fourth pressure gauge 4-4 and the second deicing sleeve 14-2 are sequentially connected with the double-channel distribution valve 9 through a gas circuit.
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 arranged and connected through a gas circuit; the test box 10 supplies power and collects parameters to the two-channel distribution valve 9; the parameters include pressure, flow rate in the gas path and switching signals in the two-way distribution valve 9.
A method for testing the comprehensive performance of a dual-channel distribution valve comprises the following steps:
firstly, starting an air source 1, carrying out first round pressure regulation on compressed air through a pressure regulating table 5, regulating by a first pressure regulating valve 2-1 in the pressure regulating table 5, stabilizing the pressure value of the first round, storing the stabilized pressure value into an air storage tank 3, and connecting a first pressure gauge 4-1 to detect the current pressure; after the pressure value is stable, carrying out second-round pressure regulation; the second round of pressure regulation is regulated by a second pressure regulating valve 2-2.
And secondly, pressure regulation is performed in the second round through a second pressure regulating valve 2-2, the air after 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 stabilized, the air after pressure stabilization enters a double-channel distribution valve 9, and the flow in the air path is detected through a flowmeter 7.
And thirdly, switching on a power supply 11 and a test box 10, controlling the dual-channel distribution valve 9 to respectively charge and discharge air to and from the first deicing sleeve 14-1 and the 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 air supply pressure of the dual-channel distribution valve 9 meets the performance requirement when the pressure value is between (0.121 and 0.158) MPa.
Fourthly, starting the vacuum device 12 to detect the vacuum degree generated when the double-channel distribution valve 9 performs the air suction function; the oscilloscope 13 is turned on to detect the action time of the pressure switch inside the two-channel distribution valve 9.
Example 1:
in a certain time of double-channel distribution valve comprehensive performance test, the method specifically comprises the following steps:
firstly, starting an air source 1, enabling compressed air with the pressure of 0.8MPa to pass through a pressure regulating table 5, stabilizing the pressure value of a first wheel to be (0.15-0.4) MPa, storing the pressure value of the first wheel into an air tank 3, connecting a first pressure gauge 4-1 for detection, and enabling the current pressure to be 0.2 MPa.
And secondly, delivering the 0.2MPa compressed air after the first round of stabilization to a second pressure regulating valve 2-2 through a pressure regulating table 5, then carrying out second round of pressure regulation, connecting a second pressure gauge 4-2 for detection, wherein the current pressure is 0.124MPa, the pressure value is stabilized in a (0.121-0.158) MPa interval, opening a switch valve 6, delivering the compressed air to a double-channel distribution valve 9, connecting a flow meter 7 in the middle of an air path, and detecting the air flow rate to be 0.965m3/min。
And thirdly, switching on a power supply 11 and a test box 10, controlling a dual-channel distribution valve 9 to respectively charge and discharge air to the first deicing sleeve 14-1 and the second deicing sleeve 14-2, and detecting that the current pressures are respectively 0.124MPa and 0.125MPa through a third pressure gauge 4-3 and a fourth pressure gauge 4-4.
And fourthly, starting the vacuum device 12, detecting the vacuum degree generated by the double-channel distribution valve 9 during the air suction function, wherein the actual detection value is 5.3' Hg. And (5) starting the oscilloscope 13, and detecting the action time of the pressure switch in the dual-channel distribution valve 9, wherein the actual measurement time is 0.5 s.
Claims (8)
1. A double-channel distribution valve comprehensive performance testing device is characterized by comprising an air source (1), a pressure regulating platform (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 flow meter (7), a testing box (10), a power source (11), a vacuum device (12), an oscilloscope (13), a first deicing sleeve (14-1) and a second deicing sleeve (14-2); the whole gas circuit is connected with a double-channel distribution valve (9) sequentially through a gas source (1), a pressure regulating platform (5), a second pressure regulating valve (2-2), a second pressure gauge (4-2), a switch 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 distribution valve (9); the oscilloscope (13) is connected with the double-channel distribution valve (9); the third pressure gauge (4-3) and the first deicing sleeve (14-1) are sequentially connected with the double-channel distribution valve (9) through a gas circuit; the fourth pressure gauge (4-4) and the second deicing sleeve (14-2) are sequentially connected with the double-channel distribution valve (9) through a gas circuit.
2. The dual-channel distribution valve comprehensive performance testing device as claimed in claim 1, wherein 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.
3. The dual channel distribution valve integrity testing device as claimed in claim 1, wherein said test box (10) provides power and parameter acquisition for the dual channel distribution valve (9).
4. The dual channel distribution valve integrity testing device as claimed in claim 3, wherein said parameters include pressure, flow rate in the gas path and switching signals in the dual channel distribution valve (9).
5. The comprehensive performance testing method of the comprehensive performance testing device of the dual-channel distribution valve as claimed in any one of claims 1 to 4, characterized in that: the method comprises the following steps:
the method comprises the following steps that firstly, an air source (1) is started, compressed air carries out first-round pressure regulation through a pressure regulation table (5), and second-round pressure regulation is carried out after a pressure value is stabilized;
secondly, pressure regulation is carried out in the second round through a second pressure regulating valve (2-2), the air after 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 stabilized, the air after pressure stabilization enters a double-channel distribution valve (9), and the flow in the air path is detected through a flowmeter (7); .
Thirdly, switching on a power supply (11) and a test box (10), controlling a dual-channel distribution valve (9) to respectively charge and discharge air to and from 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 air supply pressure of the dual-channel distribution valve (9) meets the performance requirement when the pressure value is between 0.121 and 0.158 MPa;
fourthly, starting a vacuum device (12) and detecting the vacuum degree generated when the double-channel distribution valve 9 performs the air suction function; and (3) starting an oscilloscope (13) to detect the action time of the pressure switch in the dual-channel distribution valve (9).
6. The comprehensive performance testing method of the comprehensive performance testing device of the dual-channel distribution valve as claimed in claim 5, wherein the first round of pressure regulation is regulated by a first pressure regulating valve (2-1) in a pressure regulating table (5), the pressure value of the first round is stabilized and then stored in the air storage tank (3), and a first pressure gauge (4-1) is connected to detect the current pressure.
7. The comprehensive performance testing device of the dual channel distribution valve as recited in claim 5, wherein the second round of pressure adjustment is adjusted by a second pressure adjusting valve (2-2).
8. The comprehensive performance testing method of the comprehensive performance testing device of the dual-channel distribution valve as claimed in claim 5, wherein the pressure value of the first pressure regulating wheel is stabilized at (0.15-0.4) MPa.
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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 CN112924159B (en) | 2023-08-04 |
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Cited By (1)
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|---|---|---|---|---|
| CN115575083A (en) * | 2022-12-12 | 2023-01-06 | 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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