CN104776988A - Intelligent resistance to fatigue testing device and method for rubber sealing ring for daily pressure cooker - Google Patents
Intelligent resistance to fatigue testing device and method for rubber sealing ring for daily pressure cooker Download PDFInfo
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- CN104776988A CN104776988A CN201510127839.6A CN201510127839A CN104776988A CN 104776988 A CN104776988 A CN 104776988A CN 201510127839 A CN201510127839 A CN 201510127839A CN 104776988 A CN104776988 A CN 104776988A
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Abstract
The invention discloses an intelligent resistance to fatigue testing device and method for a rubber sealing ring for a daily pressure cooker. The device comprises a chassis, wherein a testing space is formed in the upper left part of the chassis, a weight sensor is fixed at the bottom of the testing space, and a heating device is fixed at the top of the weight sensor; a pressure cooker body is fixed on the heating surface of the heating device, and a pressure sensor is fixed at an air bleed hole of a pressure cooker cover; both the pressure sensor and the weight sensor are connected a controller arranged at the upper right part of the chassis. The testing device greatly improves the accuracy and reliability of data results and meanwhile is more scientific on test specimens, test method and result judgment. The method has good consistency with the national standard method and is suitable for the delivery inspection of enterprises, the type test of inspection departments and the supervision and inspection of law enforcement departments.
Description
Technical field
The present invention relates to rubber sealing ring for pressure cooker product test field, particularly relate to the intellectual antifatigue test device of a kind of rubber sealing ring for pressure cooker and method.
Background technology
Seal ring of pressure cooker is as indispensable family meal beverage conventional in people's life, and the health and safety of quality to people of its quality plays considerable effect.Seal ring of pressure cooker in use factor that is main, most critical has been exactly fatigue performance, and fatigue performance is directly connected to serviceable life and the result of use of seal ring of pressure cooker.
Characterization pressure pot O-ring seal fatigue performance is carried out by this test item of water vapor ageing properties in existing standard GB/T 29992-2013, this test item is directly loaded by O-ring seal in applicable pressure cooker or pressure vessel, under the vapor pressure effect of regulation, through certain hour, observe the ageing properties of O-ring seal.The difficulty of current existence is, the ready-made checkout equipment market corresponding with this test item does not also have, simultaneously the schematic diagram of also this proving installation unlisted in national standard.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the intellectual antifatigue test device of a kind of rubber sealing ring for pressure cooker and method are provided.
The object of the invention is to be achieved through the following technical solutions: the intellectual antifatigue test device of a kind of rubber sealing ring for pressure cooker, comprise cabinet, the upper left quarter of cabinet is the test space, be provided with the test chamber door of rotatable folding at the top of the test space, test chamber door is provided with view window; The inside of the test space is provided with protective cover, stationary lamp on the inwall of the test space; The bottom fixed weight sensor of the test space, fixes heating arrangement at weight sensor top; Fixation pressure pot body on the hot face of heating arrangement, the vent hole place fixation pressure sensor of pressure cooker cover; Pressure transducer and weight sensor are all connected the controller being placed in cabinet upper right quarter; Display screen, qualified pilot lamp, defective pilot lamp, trouble light, startup button, power switch and cancellation button is fixed in the front end of cabinet upper right quarter, described display screen, qualified pilot lamp, defective pilot lamp, illuminating lamp, startup button and the equal connection control device of cancellation button, described controller connects power supply by power switch, described controller connects heating arrangement by solid-state relay, and described solid-state relay connects power supply by power switch.
A kind of fatigue proof method of measurement sealing rubber ring of pressure cooker, comprises the following steps:
(1) under room temperature condition, in pressure cooker, load the tap water of 3/4 volume, O-ring seal to be tested to be assemblied in pressure cooker and good seal, close test chamber door;
(2) turn on the power switch, power supply is powered to controller, the heating upper limit 0.105MPa of pressure threshold value, heating lower limit 0.095MPa, timing lower limit 0.08MPa, single cycle leakage weight threshold values 200g, single cycle test period 8h, total testing time 200h are set in the controller; Open startup button;
(3) heat pressure cooker, the force value that pressure transducer is collected reaches the timing lower limit 0.08MPa of pressure threshold value, start timing and record weight sensor gather this circulation initial weight value;
(4), when the force value collected when pressure transducer reaches heating upper limit 0.105MPa, stop heated by pressure cooker; Naturally cool to force value that pressure transducer collects when reaching heating lower limit 0.095MPa, restart heated by pressure cooker; Until timing time is accumulated to single cycle test period 8 hours, stop heating, after making pressure cooker cool to room temperature, repeat step (3) and step (4), until total timing time is finally accumulated to the total testing time 200h that step (2) sets;
(5) in single cycle test period 8h, weight sensor will gather gravimetric value at any time and compare with this circulation initial weight value, when the single cycle set lower than step (2) leaks weight threshold values 200g, then judge that leaking appears in sealing rubber ring of pressure cooker, defective pilot lamp is lighted; The automatic termination test of instrument also records accumulative test period;
(6) if through total testing time 200h, leaking does not appear in sealing rubber ring of pressure cooker, be then qualified, qualified pilot lamp is lighted; Instrument automatically terminates to test and records accumulative total testing time 200 h.
The invention has the beneficial effects as follows: proving installation of the present invention substantially increases accuracy and the reliability of data result, simultaneously science more on test specimen, test method and result are passed judgment on.The method consistance of the inventive method and national Specification is better, is applicable to the factory inspection of enterprise, detects the type inspection of department, the supervision and inspection of law enforcement agency.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention outside drawing;
Fig. 2 is apparatus of the present invention rear view;
In figure, cabinet 1, test chamber door 2, protective cover 3, weight sensor 4, heating arrangement 5, pressure cooker body 6, pressure cooker cover 7, pressure transducer 8, illuminating lamp 9, controller 10, display screen 11, view window 12, qualified pilot lamp 13, defective pilot lamp 14, trouble light 15, startup button 16, power switch 17, cancellation button 18, solid-state relay 19, power supply 20.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, the intellectual antifatigue test device of a kind of rubber sealing ring for pressure cooker of the present invention, comprise cabinet 1, the upper left quarter of cabinet 1 is the test space, be provided with the test chamber door 2 of rotatable folding at the top of the test space, test chamber door 2 is provided with view window 12; The inside of the test space is provided with protective cover 3, stationary lamp 9 on the inwall of the test space; The bottom fixed weight sensor 4 of the test space, fixes heating arrangement 5 at weight sensor 4 top; Fixation pressure pot body 6 on the hot face of heating arrangement 5, the vent hole place fixation pressure sensor 8 of pressure cooker cover 7; Pressure transducer 8 and weight sensor 4 are all connected the controller 10 being placed in cabinet 1 upper right quarter; Fix display screen 11, qualified pilot lamp 13, defective pilot lamp 14, trouble light 15 in the front end of cabinet 1 upper right quarter, start button 16, power switch 17 and cancel button 18, described display screen 11, qualified pilot lamp 13, defective pilot lamp 14, illuminating lamp 9, startup button 16 and cancellation button 18 all connection control devices 10, described controller 10 connects power supply 20 by power switch 17, described controller 10 connects heating arrangement 5 by solid-state relay 19, and described solid-state relay 19 connects power supply 20 by power switch 17.
The present invention's one measures the fatigue proof method of sealing rubber ring of pressure cooker, comprises the following steps:
(1) under room temperature condition, in pressure cooker, load the tap water of 3/4 volume, O-ring seal to be tested to be assemblied in pressure cooker and good seal, close test chamber door 2;
(2) 17 are turned on the power switch, power supply 20 pairs of controllers 10 are powered, the heating upper limit 0.105MPa of pressure threshold value, heating lower limit 0.095MPa, timing lower limit 0.08MPa, single cycle leakage weight threshold values 200g, single cycle test period 8h, total testing time 200h are set in controller 10; Open and start button 16;
(3) heat pressure cooker, the force value that pressure transducer 8 is collected reaches the timing lower limit 0.08MPa of pressure threshold value, start timing and record weight sensor 4 gather this circulation initial weight value;
(4), when the force value collected when pressure transducer 8 reaches heating upper limit 0.105MPa, stop heated by pressure cooker; Naturally cool to force value that pressure transducer 8 collects when reaching heating lower limit 0.095MPa, restart heated by pressure cooker; Until timing time is accumulated to single cycle test period 8 hours, stop heating, after making pressure cooker cool to room temperature, repeat step 3 and step 4, until total timing time is finally accumulated to the total testing time 200h that step 2 sets;
(5) in single cycle test period 8h, weight sensor 4 will gather gravimetric value at any time and compare with this circulation initial weight value, when the single cycle set lower than step 2 leaks weight threshold values 200g, then judge that leaking appears in sealing rubber ring of pressure cooker, defective pilot lamp 14 is lighted; The automatic termination test of instrument also records accumulative test period;
(6) if through total testing time 200h, leaking does not appear in sealing rubber ring of pressure cooker, be then qualified, qualified pilot lamp 13 is lighted; Instrument automatically terminates to test and records accumulative total testing time 200 h.
Claims (2)
1. the intellectual antifatigue test device of rubber sealing ring for pressure cooker, it is characterized in that, comprise cabinet (1), the upper left quarter of cabinet (1) is the test space, be provided with the test chamber door (2) of rotatable folding at the top of the test space, test chamber door (2) is provided with view window (12), the inside of the test space is provided with protective cover (3), stationary lamp (9) on the inwall of the test space, bottom fixed weight sensor (4) of the test space, fixes heating arrangement (5) at weight sensor (4) top, fixation pressure pot body (6) on the hot face of heating arrangement (5), vent hole place fixation pressure sensor (8) of pressure cooker cover (7), pressure transducer (8) and weight sensor (4) are all connected the controller (10) being placed in cabinet (1) upper right quarter, display screen (11) is fixed in the front end of cabinet (1) upper right quarter, qualified pilot lamp (13), defective pilot lamp (14), trouble light (15), start button (16), power switch (17) and cancellation button (18), described display screen (11), qualified pilot lamp (13), defective pilot lamp (14), illuminating lamp (9), start button (16) and cancel button (18) all connection control devices (10), described controller (10) connects power supply (20) by power switch (17), described controller (10) connects heating arrangement (5) by solid-state relay (19), described solid-state relay (19) connects power supply (20) by power switch (17).
2. utilize the fatigue proof method of measurement device sealing rubber ring of pressure cooker described in claim 1, it is characterized in that, comprise the following steps:
(1) under room temperature condition, in pressure cooker, load the tap water of 3/4 volume, O-ring seal to be tested to be assemblied in pressure cooker and good seal, close test chamber door (2);
(2) turn on the power switch (17), make power supply (20) to controller (10) power supply, the heating upper limit 0.105MPa of pressure threshold value, heating lower limit 0.095MPa, timing lower limit 0.08MPa, single cycle leakage weight threshold values 200g, single cycle test period 8h, total testing time 200h are set in controller (10); Open and start button (16);
(3) heat pressure cooker, the force value that pressure transducer (8) is collected reaches the timing lower limit 0.08MPa of pressure threshold value, starts timing and records this circulation initial weight value that weight sensor (4) gathers;
(4), when the force value collected when pressure transducer (8) reaches heating upper limit 0.105MPa, stop heated by pressure cooker; Naturally cool to force value that pressure transducer (8) collects when reaching heating lower limit 0.095MPa, restart heated by pressure cooker; Until timing time is accumulated to single cycle test period 8 hours, stop heating, after making pressure cooker cool to room temperature, repeat step (3) and step (4), until total timing time is finally accumulated to the total testing time 200h that step (2) sets;
(5) in single cycle test period 8h, weight sensor (4) will gather gravimetric value at any time and compare with this circulation initial weight value, when the single cycle set lower than step (2) leaks weight threshold values 200g, then judge that leaking appears in sealing rubber ring of pressure cooker, defective pilot lamp (14) is lighted; The automatic termination test of instrument also records accumulative test period;
(6) if through total testing time 200h, leaking does not appear in sealing rubber ring of pressure cooker, be then qualified, qualified pilot lamp (13) is lighted; Instrument automatically terminates to test and records accumulative total testing time 200 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127839.6A CN104776988A (en) | 2015-03-23 | 2015-03-23 | Intelligent resistance to fatigue testing device and method for rubber sealing ring for daily pressure cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510127839.6A CN104776988A (en) | 2015-03-23 | 2015-03-23 | Intelligent resistance to fatigue testing device and method for rubber sealing ring for daily pressure cooker |
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| CN104776988A true CN104776988A (en) | 2015-07-15 |
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| CN201510127839.6A Pending CN104776988A (en) | 2015-03-23 | 2015-03-23 | Intelligent resistance to fatigue testing device and method for rubber sealing ring for daily pressure cooker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105870A1 (en) * | 2017-11-28 | 2019-06-06 | Ge Healthcare Bio-Sciences Corp. | Measurement system and method therefore |
| CN112557075A (en) * | 2020-11-27 | 2021-03-26 | 奇瑞汽车股份有限公司 | Starter durability test method and device |
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| JP2000097799A (en) * | 1998-09-24 | 2000-04-07 | Ishida Co Ltd | Hermetic seal inspection system for hermetically sealed container |
| CN101514938A (en) * | 2009-02-03 | 2009-08-26 | 上海埃德电子股份有限公司 | Leak tightness testing equipment of electronic components |
| CN101793585A (en) * | 2010-04-04 | 2010-08-04 | 苏州宝骅机械技术有限公司 | Device and method for detecting sealing property of sealing element |
| CN102435402A (en) * | 2011-12-01 | 2012-05-02 | 西北核技术研究所 | Sealing washer leak rate detection device |
| CN204479288U (en) * | 2015-03-23 | 2015-07-15 | 浙江省质量检测科学研究院 | The intellectual antifatigue test device of a kind of rubber sealing ring for pressure cooker |
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2015
- 2015-03-23 CN CN201510127839.6A patent/CN104776988A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| JP2000097799A (en) * | 1998-09-24 | 2000-04-07 | Ishida Co Ltd | Hermetic seal inspection system for hermetically sealed container |
| CN101514938A (en) * | 2009-02-03 | 2009-08-26 | 上海埃德电子股份有限公司 | Leak tightness testing equipment of electronic components |
| CN101793585A (en) * | 2010-04-04 | 2010-08-04 | 苏州宝骅机械技术有限公司 | Device and method for detecting sealing property of sealing element |
| CN102435402A (en) * | 2011-12-01 | 2012-05-02 | 西北核技术研究所 | Sealing washer leak rate detection device |
| CN204479288U (en) * | 2015-03-23 | 2015-07-15 | 浙江省质量检测科学研究院 | The intellectual antifatigue test device of a kind of rubber sealing ring for pressure cooker |
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| 张梅等: "普通O形圈在超高压密封中的应用", 《液压与气动》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105870A1 (en) * | 2017-11-28 | 2019-06-06 | Ge Healthcare Bio-Sciences Corp. | Measurement system and method therefore |
| US10670490B2 (en) | 2017-11-28 | 2020-06-02 | Ge Healthcare Bio-Sciences Corp. | Measurement system and method therefore |
| CN112557075A (en) * | 2020-11-27 | 2021-03-26 | 奇瑞汽车股份有限公司 | Starter durability test method and device |
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Application publication date: 20150715 |
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