CN103528811B - The air testing method of pressure opened by automatic gear-box pressure-regulating valve - Google Patents
The air testing method of pressure opened by automatic gear-box pressure-regulating valve Download PDFInfo
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- CN103528811B CN103528811B CN201310520219.XA CN201310520219A CN103528811B CN 103528811 B CN103528811 B CN 103528811B CN 201310520219 A CN201310520219 A CN 201310520219A CN 103528811 B CN103528811 B CN 103528811B
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Abstract
The air testing method of pressure opened by a kind of automatic gear-box pressure-regulating valve disclosed by the invention, described source of the gas, air accumulator, electromagnetic valve, check valve, the first pressure transducer, tested automatic gear-box, the second pressure transducer, electric Proportion valve composition test system, tests the unlatching pressure of automatic gear-box pressure-regulating valve by passing into the method for gas in tested automatic gear-box. The method can keep automatic gear-box cleaning inside, it is also possible to understands automatic gear-box pressure-regulating valve from test result all sidedly whether suitable with valve opening fit clearance.
Description
Technical field
The present invention relates to pressure-regulating valve field tests, open the air testing method of pressure more particularly to a kind of automatic gear-box pressure-regulating valve.
Background technology
Automatic gear-box is a kind of equipment can shifted gears automatically according to engine speed. Being provided with pressure-regulating valve in automatic gear-box, the structure of this pressure-regulating valve is more complicated, and the structure in associated automatic gear-box is also more complicated. It then becomes necessary to ensure the assembly precision of automatic gear-box and pressure-regulating valve, the performance of guarantee automatic gear-box after assembling. If precision is not reaching to standard, the unlatching pressure of the pressure-regulating valve of automatic gear-box will be affected when work, pressure-regulating valve even can be made stuck in the process of work, so that automatic gear-box lost efficacy, make automobile break down. Owing to automatic gear-box is the vitals in motor vehicles, therefore dispatching from the factory and necessarily require strictly to test the unlatching pressure of automatic gear-box pressure-regulating valve before, after only the unlatching pressure of pressure-regulating valve reaches standard, automatic gear-box just can be dispatched from the factory.
Pressure-regulating valve is arranged in automatic gear-box and can form seven oil ducts, i.e. oil duct I, oil duct II, oil duct III, oil duct IV, oil duct V, oil duct VI and oil duct VII. Described oil duct I, oil duct II are connected with main oil gallery with oil duct IV. Described oil duct III is connected with oil pump for automatic transmission oil-in. Described oil duct V leads to fluid torque-converter and controls valve. Described oil duct VI is connected with air, plays the effect of draining, namely when fluid torque-converter controls valve oil road hypertonia, oil is let out in air. Described oil duct VII connects electromagnetic valve input pressure. Automatic gear-box is operationally, hydraulic oil in main oil gallery can enter in oil duct I, pressure-regulating valve can be promoted under the effect of oil pressure, oil duct II is made to be connected with oil duct III thus opening pressure-regulating valve, make excess pressure in automatic gear-box main oil gallery flow back into oil pump for automatic transmission oil-in by oil duct III, make full use of excess pressure oil mass and be again introduced into hydraulic system and be circulated utilization.
At present, it is typically all the method surveyed by oil and tests automatic gear-box pressure-regulating valve unlatching pressure.Tested by this kind of method, there is following defect:
1, the method that oil is surveyed can be polluted inside automatic gear-box, automatic gear-box internal washing totally must be dispatched from the factory again after test, this not only affects the efficiency of test, and the cleannes of its inside are required higher by automatic gear-box, it also is difficult to meet the cleannes of automatic gear-box even across cleaning this procedure.
2, Fig. 1 is that method testing result surveyed by oil, owing to oil viscosity is relatively larger, valve is in just opening this section of process fully opened, oil cannot flow through from the gap of spool, therefore, the test result that oil is surveyed can only see valve full opening of time corresponding oil pressure size, so whether cannot understand automatic gear-box pressure-regulating valve very all sidedly from test result suitable with valve opening fit clearance, therefore also just cannot ensure the quality of automatic gear-box.
Summary of the invention
The technical problem to be solved is, a kind of automatic gear-box pressure-regulating valve is provided to open the air testing method of pressure, the method can keep automatic gear-box cleaning inside, it is also possible to understands automatic gear-box pressure-regulating valve from test result all sidedly whether suitable with valve opening fit clearance.
For solving above-mentioned technical problem, the present invention provides a kind of automatic gear-box pressure-regulating valve to open the air testing method of pressure, comprises the following steps:
One, source of the gas, air accumulator, electromagnetic valve, check valve and the first pressure transducer are sequentially connected with by pipeline; The outfan of the first described pressure transducer is connected on the entrance of the main oil gallery of tested automatic gear-box by pipeline; The outlet of the oil duct III of described tested automatic gear-box is connected to the input of the second pressure transducer by pipeline; The outfan of the second described pressure transducer is connected to the input of electric Proportion valve; The outfan of described electric Proportion valve and atmosphere; The first described pressure transducer and the second pressure transducer are all connected with controller;
Two, regulate the flow of electric Proportion valve, control the output flow of automatic gear-box, when making tested automatic gear-box pressure-regulating valve open the size of output flow and automatic gear-box when operationally pressure-regulating valve is opened the size of output flow consistent;
Three, opening electromagnetic valve, the gas in air accumulator is input in the main oil gallery of tested automatic gear-box after check valve and the first pressure transducer; The input air pressure numerical signal recorded also is transferred to controller by the first pressure transducer record input air pressure numerical value in real time;
Four, when the gas pressure in the main oil gallery of tested automatic gear-box reaches open after the unlatching pressure of the pressure-regulating valve of tested automatic gear-box the pressure-regulating valve of tested automatic gear-box, gas in main oil gallery can flow to the second pressure transducer and electric Proportion valve from oil duct II through oil channel III, finally flows in air; The output pressure numerical signal recorded also is transferred to controller by the second pressure transducer record output pressure numerical value in real time;
Five, controller goes out the correlation curve of input air pressure and output pressure according to the gas pressure numeric renderings that the first described pressure transducer and the second pressure transducer send over; And be shown on the display of controller.
After adopting above structure, the air testing method of the automatic gear-box pressure-regulating valve unlatching pressure of the present invention compared with prior art, has the advantage that
1, automatic gear-box cleaning inside can be kept by the air testing method of the present invention, test after being over without cleaning inside automatic gear-box, not only can improve testing efficiency, moreover it is possible to make automatic gear-box meet the standard of cleannes.
2, Fig. 4 is the test result figure of air testing method, owing to the viscosity of gas is only small, valve is in just opening this section of process fully opened, gas also can flow out from the gap of spool, therefore in the process that valve is opened, second pressure transducer just can detect output pressure, so just can reflect automatic gear-box pressure-regulating valve and valve opening fit clearance all sidedly according to the output pressure curve of the second pressure transducer, therefore just can see that whether pressure-regulating valve and valve opening fit clearance be qualified.
Accompanying drawing explanation
Method testing result schematic diagram surveyed by the oil that Fig. 1 is the automatic gear-box pressure-regulating valve unlatching pressure of prior art.
Fig. 2 is the pressure-regulating valve structural representation of the automatic gear-box of the present invention.
Fig. 3 is the structural representation of the gas logging equipment of the automatic gear-box pressure-regulating valve unlatching pressure of the present invention.
Fig. 4 is the test result schematic diagram of the air testing method of the automatic gear-box pressure-regulating valve unlatching pressure of the present invention.
Shown in figure: 1, casing, 2, pressure-regulating valve, 3, main oil gallery, 4, oil duct I, 5, oil duct II, 6, oil duct III, 7, oil duct IV, 8, oil duct V, 9, oil duct VI, 10, oil duct VII, 11, air accumulator, 12, electromagnetic valve, the 13, first pressure transducer, the 14, second pressure transducer, 15, electric Proportion valve, 16, check valve, 17, flex point 1., 18, flex point is 2., 19, flex point 3., 20, flex point 4..
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
Referring to shown in Fig. 2, the automatic gear-box of the present invention includes casing 1 and pressure-regulating valve 2. Described pressure-regulating valve 2 is arranged in described casing 1. It is provided with main oil gallery 3 in described casing 1. Described pressure-regulating valve 2 is arranged in automatic gear-box and forms seven oil ducts, i.e. oil duct I 4, oil duct II 5, oil duct III 6, oil duct IV 7, oil duct V 8, oil duct VI 9 and oil duct VII 10. Described oil duct I 4, oil duct II 5 are connected with main oil gallery 3 with oil duct IV 7. Described oil duct III 6 is connected with oil pump for automatic transmission oil-in. Described oil duct V 8 leads to fluid torque-converter and controls valve. Described oil duct VI 9 is connected with air, plays the effect of draining, namely when fluid torque-converter controls valve oil road hypertonia, oil is let out in air. Described oil duct VII 10 connects electromagnetic valve input pressure. Automatic gear-box is operationally, hydraulic oil in main oil gallery 3 can enter in oil duct I 4, pressure-regulating valve 2 can be promoted under the effect of oil pressure, oil duct II 5 is made to be connected with oil duct III 6 thus opening pressure-regulating valve 2, make excess pressure in automatic gear-box main oil gallery 3 flow back into oil pump for automatic transmission oil-in by oil duct III 6, make full use of excess pressure oil mass and be again introduced into hydraulic system and be circulated utilization.
Referring to shown in Fig. 3, automatic gear-box pressure-regulating valve of the present invention is opened the air testing method of pressure and is comprised the following steps:
One, source of the gas, air accumulator 11, electromagnetic valve 12, check valve 16 and the first pressure transducer 13 are sequentially connected with by pipeline. The outfan of the first described pressure transducer 13 is connected on the entrance of main oil gallery 3 of tested automatic gear-box by pipeline. The outlet of the oil duct III 6 of described tested automatic gear-box is connected to the input of the second pressure transducer 14 by pipeline. The outfan of the second described pressure transducer 14 is connected to the input of electric Proportion valve 15.The outfan of described electric Proportion valve 15 and atmosphere. The first described pressure transducer 13 is all connected with controller with the second pressure transducer 14.
Described air accumulator 11 is used for storing gas. Described electromagnetic valve 12 is used for controlling air accumulator and gives vent to anger or close gas. Described check valve 16 avoids gas to pour in down a chimney. The first described pressure transducer 13 is used for detecting input air pressure. The second described pressure transducer 14 is used for detecting output pressure. Described electric Proportion valve 15 is for controlling the output flow of tested automatic gear-box.
Two, regulate the flow of electric Proportion valve 15, control the output flow of automatic gear-box, when making tested automatic gear-box pressure-regulating valve open the size of output flow and automatic gear-box when operationally pressure-regulating valve is opened the size of output flow consistent. Flow is regulated without electric Proportion valve 15, so gas flows out from oil duct III 6 and will be directly entered air, quickly will pressure release, and after automatic gear-box is assembled in motor vehicles, oil can flow back into oil pump for automatic transmission oil-in after flowing out from oil duct III 6, and the size of the output flow that electric Proportion valve 15 regulates automatic gear-box is exactly the flow for simulating this passage.
Three, opening electromagnetic valve 12, the gas in air accumulator 11 is input in the main oil gallery 3 of tested automatic gear-box after check valve 16 and the first pressure transducer 13. First pressure transducer 13 records input air pressure numerical value and the input air pressure numerical signal recorded is transferred to controller in real time.
Four, when the gas pressure in the main oil gallery 3 of tested automatic gear-box reaches open after the unlatching pressure of the pressure-regulating valve 2 of tested automatic gear-box the pressure-regulating valve 2 of tested automatic gear-box, gas in main oil gallery 3 can flow to the second pressure transducer 14 and electric Proportion valve 15 from oil duct II 5 through oil channel III 6, finally flows in air. Second pressure transducer 14 records output pressure numerical value and the output pressure numerical signal recorded is transferred to controller in real time.
Five, controller goes out the correlation curve of input air pressure and output pressure according to the gas pressure numeric renderings that the first described pressure transducer 13 and the second pressure transducer 14 send over. And be shown on the display of controller.
Referring to shown in Fig. 4, Fig. 4 is that in gas survey result figure, figure, 1. flex point is the critical point that pressure-regulating valve starts to open at, and from flex point 1. it can be seen that just there is gas to run out of from spool gap after pressure-regulating valve starts to open at, output pressure can promote rapidly; Flex point be 2. pressure-regulating valve full opening of time, output pressure ascensional range is substantially consistent with input pressure ascensional range from that point on; 3. flex point is the critical point that pressure-regulating valve cuts out, and output pressure can decline rapidly from that point on; 4. flex point is pressure-regulating valve when completely closing, and does not at this moment substantially have gas to run out of.
Survey from this gas and result figure can be seen that, whether automatic gear-box pressure-regulating valve and valve opening fit clearance be suitable.
Claims (1)
1. an air testing method for pressure opened by automatic gear-box pressure-regulating valve, comprises the following steps:
One, source of the gas, air accumulator (11), electromagnetic valve (12), check valve (16) and the first pressure transducer (13) are sequentially connected with by pipeline; The outfan of described the first pressure transducer (13) is connected on the entrance of main oil gallery (3) of tested automatic gear-box by pipeline; The outlet of the oil duct III (6) of described tested automatic gear-box is connected to the input of the second pressure transducer (14) by pipeline;The outfan of described the second pressure transducer (14) is connected to the input of electric Proportion valve (15); The outfan of described electric Proportion valve (15) and atmosphere; Described the first pressure transducer (13) is all connected with controller with the second pressure transducer (14);
Two, the flow of electric Proportion valve (15) is regulated, control the output flow of automatic gear-box, when making tested automatic gear-box pressure-regulating valve (2) open the size of output flow and automatic gear-box when operationally pressure-regulating valve is opened the size of output flow consistent;
Three, opening electromagnetic valve (12), the gas in air accumulator (11) is input in the main oil gallery (3) of tested automatic gear-box after check valve (16) and the first pressure transducer (13); The input air pressure numerical signal recorded also is transferred to controller by the first pressure transducer (13) record input air pressure numerical value in real time;
Four, when the gas pressure in the main oil gallery (3) of tested automatic gear-box reaches open after the unlatching pressure of the pressure-regulating valve (2) of tested automatic gear-box the pressure-regulating valve (2) of tested automatic gear-box, gas in main oil gallery (3) can flow to the second pressure transducer (14) and electric Proportion valve (15) from oil duct II (5) through oil channel III (6), finally flows in air; The output pressure numerical signal recorded also is transferred to controller by the second pressure transducer (14) record output pressure numerical value in real time;
Five, controller goes out the correlation curve of input air pressure and output pressure according to the gas pressure numeric renderings that described the first pressure transducer (13) and the second pressure transducer (14) send over; And be shown on the display of controller.
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| CN201310520219.XA CN103528811B (en) | 2013-10-29 | 2013-10-29 | The air testing method of pressure opened by automatic gear-box pressure-regulating valve |
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| CN105277344A (en) * | 2014-07-24 | 2016-01-27 | 江苏神通阀门股份有限公司 | Check valve opening pressure testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518581A (en) * | 2011-11-29 | 2012-06-27 | 宁波圣龙汽车动力系统股份有限公司 | Gas test method for testing open pressure of testing machine oil pump pressure-limiting valve |
| CN202836939U (en) * | 2012-08-09 | 2013-03-27 | 浙江环球滤清器有限公司 | Pressure-regulating valve pressure detection apparatus |
| CN103335830A (en) * | 2013-06-24 | 2013-10-02 | 武汉亚普汽车塑料件有限公司 | Automobile fuel tank valve function testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8615349B2 (en) * | 2009-11-11 | 2013-12-24 | GM Global Technology Operations LLC | Method of detecting filling of hydraulic clutch |
| EP3477160B1 (en) * | 2009-12-16 | 2021-09-22 | Allison Transmission, Inc. | Variator fault detection system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518581A (en) * | 2011-11-29 | 2012-06-27 | 宁波圣龙汽车动力系统股份有限公司 | Gas test method for testing open pressure of testing machine oil pump pressure-limiting valve |
| CN202836939U (en) * | 2012-08-09 | 2013-03-27 | 浙江环球滤清器有限公司 | Pressure-regulating valve pressure detection apparatus |
| CN103335830A (en) * | 2013-06-24 | 2013-10-02 | 武汉亚普汽车塑料件有限公司 | Automobile fuel tank valve function testing device |
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