CN205449409U - Airtight pressure measurement - Google Patents
Airtight pressure measurement Download PDFInfo
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- CN205449409U CN205449409U CN201521132825.5U CN201521132825U CN205449409U CN 205449409 U CN205449409 U CN 205449409U CN 201521132825 U CN201521132825 U CN 201521132825U CN 205449409 U CN205449409 U CN 205449409U
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Abstract
The utility model discloses an airtight pressure measurement, the device comprises control circuit, control flap, pipeline and integrated operation box, control circuit, control flap, pipeline encapsulate in integrated operation box, the whole cuboid that is of integrated operation box, integrated operation box is provided with display screen, power indicator, an alarm module respectively on having a preceding terminal surface at least, keys in and switch, is provided with the plug on the rear end face of integrated operation box still being provided with air inlet, gas outlet and unloading the gas port on the right flank of integrated operation box, this airtight pressure measurement uses button mode freely to set for dwell time or airtight pressure parameter set -up function for airtight test provides, provides automatic alarm the function to the gas leakage phenomenon, provides after airtight test and reminds the function voluntarily. This invents the effectual reduction operating personnel intensity of labour of airtight pressure measurement, disengages out from the work of long -time continuously observed pressure table with it.
Description
Technical field
The present invention relates to hot power torpedo airtight work during debuging detection, it is that one can freely set airtight pressure and dwell time, and to gas leak phenomenon automatic alarm, the pressure-detecting device being automatically reminded to after airtight test terminates, relate particularly to a kind of airtight pressure-detecting device.
Background technology
As a rule, in order to ensure the underwater sealing performance of the real torpedo that navigates, the group parts of torpedo are required for carrying out air seal test during debuging detection.Conventional air tight test method: nitrogen cylinder, precision pressure gauge and product are respectively connected to a special three-way joint;Opening nitrogen cylinder air valve, Pressure gauge closes gas check valve after rising to authorized pressure value.The airtight dwell time is used stopwatch control by operator;Gas leakage detection is then judged by operator's continuous observation Pressure gauge.In the meantime, operator are difficult to attend to anything else in other work, need for this to take considerable time.
Through looking into patent CN102650370A, disclose a kind of reservoir pressure supervising device, use pressure transducer, microcontroller and host computer to carry out pressure monitor only for air accumulator, be not directed to the content in terms of any pressurize or airtight test;
Through looking into patent CN200273561U, disclose a kind of pressure monitoring alarming device of oil well pipeline, use electric node manometer, wireless transmitter and buzzer to carry out fluid pressure monitoring only for oil pressure, be also not directed to the content in terms of any pressurize or airtight test.
Summary of the invention
For not enough present in background technology, the present invention proposes one and freely sets airtight parameter, and the pressure test device of automatic alarm, it is capable of allowing operator free from the work long lasting for observed pressure table, can effectively reduce the airtight pressure-detecting device of one of labor intensity of operating staff.
nullFor reaching above-mentioned purpose,The technical solution adopted in the present invention is: a kind of airtight pressure-detecting device,By control circuit (1)、Control valve (2)、Pipeline (3) and integrated operating case (4) are constituted,Described control circuit (1)、Control valve (2)、Pipeline (3) is packaged in integrated operating case (4),Integrated operating case (4) is overall in cuboid,It is respectively arranged with display screen (55) on integrated operating case (4) at least front end face、Power supply indicator (56)、First alarm module (57)、Key-press input (58) and on and off switch (59),Plug (60) it is provided with on the rear end face of integrated operating case (4),The right flank of described integrated operating case (4) is additionally provided with air inlet (61)、Gas outlet (62) and unload QI KOU (63),This airtight pressure-detecting device provides with key mode for airtight test and freely sets dwell time or airtight pressure parameter set-up function,Auto-alarm function is provided to gas leak phenomenon,Automatic reminding function is provided after airtight test terminates.
Preferably, described control circuit (1) is by high accuracy number pressure transducer (11), keyboard input module (12), display module (13), second alarm module (14), valve drives module (15) and controller unit (16) to constitute, described high accuracy number pressure transducer (11), keyboard input module (12), display module (13), second alarm module (14), valve drives and is connected in parallel between module (15) and controller unit (16), wherein, described high accuracy number pressure transducer (11) is connected by wire, the air pressure of product is injected for Real-time Collection;Described keyboard input module (12) is used for setting dwell time, allowable pressure drop Δ P, timing unlatching parameter;Described display module (13) shows for parameter;Described second alarm module (14) is connected by wire, terminates to remind for leakage alarm and dwell time;Described controller unit (16) is computing and data storage cell, and built-in A/D is used for pressure acquisition, and built-in timer is used for pressurize timing;Described valve drives module (15) to drive valve to open or close for being amplified by controller unit (16) output signal power.
Preferably, described control valve (2) is by air intake valve (22) and unloads air valve (23) and constitutes, and described air intake valve (22) connects nitrogen cylinder;The described air valve (23) that unloads leads directly to surrounding air;During pressurization, air intake valve (22) is opened, and unloads air valve (23) and closes;During decompression, air intake valve (22) is closed, and unloads air valve (23) and opens.
Preferably, at described air intake valve (22) and the described middle part unloading air valve (23), four-way (64) is installed, the joint of described four-way (64) respectively with air intake valve (22), high accuracy number pressure transducer (11), unload air valve (23) and be connected with test product.
Preferably, described controller unit (16) is built-in with memorizer, and this memorizer is for storing the parameter that last time, test set, and for the pressure test of similar parameter, repeats to arrange the trouble of parameter for exempting.
Preferably, described the first alarm module (57) is made up of leakage alarm display lamp (571), then alarm lamp (572) and buzzer (573), wherein, described leakage alarm display lamp (571) is used for instruction of leaking gas;Described then alarm lamp (572) terminates to remind for pressurize.
Preferably, described air inlet (61), gas outlet (62) and unload QI KOU (63) for external gas source or product.
Operation principle is: by control circuit (1), control valve (2), the airtight pressure-detecting device of one that pipeline (3) and integrated operating case (4) are constituted, described control circuit (1) is by high accuracy number pressure transducer (11), keyboard input module (12), display module (13), second alarm module (14), valve drives module (15) and controller unit (16) to constitute, described control valve (2) is by air intake valve (22) and unloads air valve (23) and constitutes, a kind of airtight pressure-detecting device of the present invention is when concrete operation, only device air inlet (61) need to be connect nitrogen cylinder, gas outlet (62) connects test product, plug (60) connects 220V alternating current.Turn on the power switch (59), power supply indicator (56) green light.
For different test products, set corresponding dwell time t and allowable pressure drop Δ P by key-press input (58).Open nitrogen cylinder air valve, pressurize in test product, make pressure arrive setting by pressurization and decompression button.After pressure stability, air inlet (61) place Nitrogen source gases pipe is taken out and avoids interference test process.Press timing button, controller unit (16) starts timing and pressure monitor judges, if pressure is down to P-Δ P, the first alarm module (57) carries out leakage alarm, during leakage alarm display lamp (571) flicker and with buzzer sound;If pressure maintains P-more than Δ P within the t time, arriving when the dwell time, the first alarm module (57) reminds off-test, and alarm lamp flashes and with buzzer sound, shows that test terminates test product air seal test qualified.After pressure test terminates, turn off the power switch (59), complete airtight detection work.
The present invention has the beneficial effects that: this airtight pressure-detecting device provides with key mode for airtight test and freely sets dwell time or airtight pressure parameter set-up function, auto-alarm function is provided to gas leak phenomenon, automatic reminding function is provided after airtight test terminates, the arrangement achieves and allow operator free from the work long lasting for observed pressure table, can effectively reduce labor intensity of operating staff, simple to operate, reasonable in design, reliable operation.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is gas circuit connection figure of the present invention;
Fig. 3 is alarm module pie graph of the present invention;
Fig. 4 is control circuit module structure drafting of the present invention;
Wherein, indicating: 1 control circuit in figure, 2 control valve, 3 pipelines, 4 integrated operating cases, 55 display screens, 56 power supply indicators, 57 first alarm modules, 58 key-press inputs, 59 on and off switch, 60 plugs, 61 air inlets, 62 gas outlets, 63 unload QI KOU, 64 four-ways;
11 high accuracy number pressure transducers, 12 keyboard input modules, 13 display modules, 14 second alarm modules, 15 valves drive module, 16 controller units;
22 air intake valves, 23 unload air valve;
571 leakage alarm display lamps, 572 then alarm lamp, 573 buzzers.
Detailed description of the invention
In conjunction with embodiment, the present invention is described specifically:
In the present invention, in order to describe under easy state after assembly of the apparatus, this state is observed from front, the one side being provided with display screen 55, power supply indicator the 56, first alarm module 57, key-press input 58 and on and off switch 59 is referred to as front end face, and opposite to that one side is referred to as rear end face.
nullAs shown in Figure 1,A kind of airtight pressure-detecting device is by control circuit 1、Control valve 2、Pipeline 3 and integrated operating case 4 are constituted,Described control circuit 1、Control valve 2、Pipeline 3 is packaged in integrated operating case 4,Integrated operating case 4 entirety is cuboid,It is respectively arranged with display screen 55 on an integrated operating case 4 at least front end face、Power supply indicator 56、First alarm module 57、Key-press input 58 and on and off switch 59,It is provided with plug 60 on the rear end face of integrated operating case 4,The right flank of described integrated operating case 4 is additionally provided with air inlet 61、Gas outlet 62 and unload QI KOU 63,This airtight pressure-detecting device provides with key mode for airtight test and freely sets dwell time or airtight pressure parameter set-up function,Auto-alarm function is provided to gas leak phenomenon,Automatic reminding function is provided after airtight test terminates.Display screen 55 shows pneumatic parameter and dwell time;Power supply indicator 56 provides power supply instruction, and on and off switch 59 is positioned at 1 grade, and when device switches on power, power supply indicator 56 is bright, is positioned at 0 gear, device power-off shutdown.This device uses 220V to power.
Further, described control circuit 1 is driven module 15 and controller unit 16 to constitute by high accuracy number pressure transducer 11, keyboard input module 12, display module the 13, second alarm module 14, valve, described high accuracy number pressure transducer 11, keyboard input module 12, display module the 13, second alarm module 14, valve drive and are connected in parallel between module 15 and controller unit 16, wherein, described high accuracy number pressure transducer 11 is connected by wire, injects the air pressure of product for Real-time Collection;Described keyboard input module 12 is used for setting dwell time, allowable pressure drop Δ P, timing unlatching parameter;Described display module 13 shows for parameter;Described second alarm module 14 is connected by wire, terminates to remind for leakage alarm and dwell time;Described controller unit 16 is computing and data storage cell, and built-in A/D is used for pressure acquisition, and built-in timer is used for pressurize timing;Described valve drives module 15 to drive valve to open or close for being amplified by controller unit 16 output signal power.
Further, described control valve 2 is by air intake valve 22 and unloads air valve 23 and constitutes, and described air intake valve 22 connects nitrogen cylinder;The described air valve 23 that unloads leads directly to surrounding air;During pressurization, air intake valve 22 is opened, and unloads air valve 23 and closes;During decompression, air intake valve 22 is closed, and unloads air valve 23 and opens.
Concrete, at described air intake valve 22 and the described middle part unloading air valve 23, four-way 64 is installed, the joint of described four-way 64 respectively with air intake valve 22, high accuracy number pressure transducer 11, unload air valve 23 and be connected with test product.
Further, described controller unit 16 is built-in with memorizer, and this memorizer is for storing the parameter that last time, test set, and for the pressure test of similar parameter, repeats to arrange the trouble of parameter for exempting.
Further, the first described alarm module 57 is made up of leakage alarm display lamp 571, then alarm lamp 572 and buzzer 573, and wherein, described leakage alarm display lamp 571 is used for instruction of leaking gas;Described then alarm lamp 572 terminates to remind for pressurize.
Further, described air inlet 61, gas outlet 62 and unload QI KOU 63 for external gas source or product.
The more specific embodiment of the present invention is: by control circuit 1, control valve 2, the airtight pressure-detecting device of one that pipeline 3 and integrated operating case 4 are constituted, described control circuit 1 is by high accuracy number pressure transducer 11, keyboard input module 12, display module 13, second alarm module 14, valve drives module 15 and controller unit 16 to constitute, described control valve 2 is by air intake valve 22 and unloads air valve 23 and constitutes, a kind of airtight pressure-detecting device of the present invention is when concrete operation, only device air inlet 61 need to be connect nitrogen cylinder, gas outlet 62 connects test product, plug 60 connects 220V alternating current.Turn on the power switch 59, power supply indicator 56 green light.
For different test products, set corresponding dwell time t and allowable pressure drop Δ P by key-press input 58.Open nitrogen cylinder air valve, pressurize in test product, make pressure arrive setting by pressurization and decompression button.After pressure stability, Nitrogen source gases pipe at air inlet 61 is taken out and avoids interference test process.Pressing timing button, controller unit 16 starts timing and pressure monitor judges, if pressure is down to P-Δ P, the first alarm module 57 carries out leakage alarm, when leakage alarm display lamp 571 flashes and with buzzer sound;If pressure maintains P-more than Δ P within the t time, arriving when the dwell time, the first alarm module 57 reminds off-test, and alarm lamp flashes and with buzzer sound, shows that test terminates test product air seal test qualified.After pressure test terminates, turn off the power switch 59, complete airtight detection work.
In sum, the present invention has the advantage that control valve 2, pipeline 3, control circuit 1 etc. are integrated in one by the present invention in a particular embodiment, convenient operation;This device can freely set pressure parameter and dwell time, reports to the police gas leak phenomenon, and air seal test is reminded after terminating, it is possible to decrease labor intensity of operating staff.
Claims (7)
- null1. an airtight pressure-detecting device,It is characterized in that: by control circuit (1)、Control valve (2)、Pipeline (3) and integrated operating case (4) are constituted,Described control circuit (1)、Control valve (2)、Pipeline (3) is packaged in integrated operating case (4),Integrated operating case (4) is overall in cuboid,It is respectively arranged with display screen (55) on integrated operating case (4) at least front end face、Power supply indicator (56)、First alarm module (57)、Key-press input (58) and on and off switch (59),Plug (60) it is provided with on the rear end face of integrated operating case (4),The right flank of described integrated operating case (4) is additionally provided with air inlet (61)、Gas outlet (62) and unload QI KOU (63),This airtight pressure-detecting device provides with key mode for airtight test and freely sets dwell time and airtight pressure parameter set-up function,Auto-alarm function is provided to gas leak phenomenon,Automatic reminding function is provided after airtight test terminates.
- The airtight pressure-detecting device of one the most according to claim 1, it is characterized in that: described control circuit (1) is by high accuracy number pressure transducer (11), keyboard input module (12), display module (13), second alarm module (14), valve drives module (15) and controller unit (16) to constitute, described high accuracy number pressure transducer (11), keyboard input module (12), display module (13), second alarm module (14), valve drives and is connected in parallel between module (15) and controller unit (16), wherein, described high accuracy number pressure transducer (11) is connected by wire, the air pressure of product is injected for Real-time Collection;Described keyboard input module (12) is used for setting dwell time, allowable pressure drop Δ P, timing unlatching parameter;Described display module (13) shows for parameter;Described second alarm module (14) is connected by wire, terminates to remind for leakage alarm and dwell time;Described controller unit (16) is computing and data storage cell, and built-in A/D is used for pressure acquisition, and built-in timer is used for pressurize timing;Described valve drives module (15) to drive valve to open or close for being amplified by controller unit (16) output signal power.
- The airtight pressure-detecting device of one the most according to claim 1, it is characterized in that: described control valve (2) is by air intake valve (22) and unloads air valve (23) and constitutes, and described air intake valve (22) connects nitrogen cylinder;The described air valve (23) that unloads leads directly to surrounding air;During pressurization, air intake valve (22) is opened, and unloads air valve (23) and closes;During decompression, air intake valve (22) is closed, and unloads air valve (23) and opens.
- The airtight pressure-detecting device of one the most according to claim 3, it is characterized in that: at described air intake valve (22) and the described middle part unloading air valve (23), four-way (64) is installed, the joint of described four-way (64) respectively with air intake valve (22), high accuracy number pressure transducer (11), unload air valve (23) and be connected with test product.
- 5. according to the airtight pressure-detecting device of one described in claims 2, it is characterized in that: described controller unit (16) is built-in with memorizer, this memorizer is for storing the parameter that last time, test set, for the pressure test of similar parameter, repeat to arrange the trouble of parameter for exempting.
- 6. according to the airtight pressure-detecting device of one described in claims 1, it is characterized in that: described the first alarm module (57) is made up of leakage alarm display lamp (571), then alarm lamp (572) and buzzer (573), wherein, described leakage alarm display lamp (571) is used for instruction of leaking gas;Described then alarm lamp (572) terminates to remind for pressurize.
- 7. according to the airtight pressure-detecting device of one described in claims 1, it is characterised in that: described air inlet (61), gas outlet (62) and unload QI KOU (63) for external gas source or product.
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CN201521132825.5U CN205449409U (en) | 2015-12-31 | 2015-12-31 | Airtight pressure measurement |
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CN201521132825.5U CN205449409U (en) | 2015-12-31 | 2015-12-31 | Airtight pressure measurement |
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CN201521132825.5U Expired - Fee Related CN205449409U (en) | 2015-12-31 | 2015-12-31 | Airtight pressure measurement |
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Cited By (11)
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CN106482915A (en) * | 2016-12-15 | 2017-03-08 | 四川红光汽车机电有限公司 | A kind of air inlet relief valve adnexa assembly leakage flow automatic checkout equipment |
CN108541175A (en) * | 2018-04-19 | 2018-09-14 | 苏州言晴信息科技有限公司 | A kind of control device of electronic component |
CN111024380A (en) * | 2019-12-18 | 2020-04-17 | 贵州华烽电器有限公司 | Pressure-tight sleeve pressure-tight test system and pressure-tight sleeve pressure-tight test method |
CN111044229A (en) * | 2019-11-29 | 2020-04-21 | 长春市汇腾机电设备有限公司 | Low-pressure pipeline pressure-maintaining internal detection system and detection method |
WO2020118996A1 (en) * | 2018-12-13 | 2020-06-18 | 张家港中天精密模塑有限公司 | Air-tightness detection device for pipeline |
CN112304527A (en) * | 2020-09-22 | 2021-02-02 | 南京奂美光学科技有限公司 | Novel intelligent sealing detection box and sealing detection method thereof |
CN114323491A (en) * | 2021-12-22 | 2022-04-12 | 北京星航机电装备有限公司 | Automatic air tightness detection method for low-pressure system |
CN114608768A (en) * | 2022-03-11 | 2022-06-10 | 深圳潜行创新科技有限公司 | Method for detecting sealing performance of cabin of small underwater equipment |
CN114755325A (en) * | 2022-03-30 | 2022-07-15 | 国能神东煤炭集团有限责任公司 | Mine gas inspection system, control method and electronic equipment |
WO2024087549A1 (en) * | 2022-10-26 | 2024-05-02 | 上海韦航装备科技有限公司 | Sealing detection apparatus |
CN111044229B (en) * | 2019-11-29 | 2024-05-31 | 奥莱特汽车科技有限公司 | Low-pressure pipeline pressure-maintaining internal detection system and detection method |
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2015
- 2015-12-31 CN CN201521132825.5U patent/CN205449409U/en not_active Expired - Fee Related
Cited By (14)
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CN106482915B (en) * | 2016-12-15 | 2019-02-26 | 四川红光汽车机电有限公司 | A kind of air inlet relief valve attachment assembly leakage flow automatic checkout equipment |
CN106482915A (en) * | 2016-12-15 | 2017-03-08 | 四川红光汽车机电有限公司 | A kind of air inlet relief valve adnexa assembly leakage flow automatic checkout equipment |
CN108541175A (en) * | 2018-04-19 | 2018-09-14 | 苏州言晴信息科技有限公司 | A kind of control device of electronic component |
WO2020118996A1 (en) * | 2018-12-13 | 2020-06-18 | 张家港中天精密模塑有限公司 | Air-tightness detection device for pipeline |
CN111044229B (en) * | 2019-11-29 | 2024-05-31 | 奥莱特汽车科技有限公司 | Low-pressure pipeline pressure-maintaining internal detection system and detection method |
CN111044229A (en) * | 2019-11-29 | 2020-04-21 | 长春市汇腾机电设备有限公司 | Low-pressure pipeline pressure-maintaining internal detection system and detection method |
CN111024380A (en) * | 2019-12-18 | 2020-04-17 | 贵州华烽电器有限公司 | Pressure-tight sleeve pressure-tight test system and pressure-tight sleeve pressure-tight test method |
CN112304527A (en) * | 2020-09-22 | 2021-02-02 | 南京奂美光学科技有限公司 | Novel intelligent sealing detection box and sealing detection method thereof |
CN114323491B (en) * | 2021-12-22 | 2024-02-27 | 北京星航机电装备有限公司 | Automatic airtight detection method for low-voltage system |
CN114323491A (en) * | 2021-12-22 | 2022-04-12 | 北京星航机电装备有限公司 | Automatic air tightness detection method for low-pressure system |
CN114608768A (en) * | 2022-03-11 | 2022-06-10 | 深圳潜行创新科技有限公司 | Method for detecting sealing performance of cabin of small underwater equipment |
CN114608768B (en) * | 2022-03-11 | 2023-05-30 | 深圳潜行创新科技有限公司 | Small underwater equipment cabin tightness detection method |
CN114755325A (en) * | 2022-03-30 | 2022-07-15 | 国能神东煤炭集团有限责任公司 | Mine gas inspection system, control method and electronic equipment |
WO2024087549A1 (en) * | 2022-10-26 | 2024-05-02 | 上海韦航装备科技有限公司 | Sealing detection apparatus |
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