CN107917781A - The method and system that a kind of automatic scope leaks hunting - Google Patents
The method and system that a kind of automatic scope leaks hunting Download PDFInfo
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- CN107917781A CN107917781A CN201710992559.0A CN201710992559A CN107917781A CN 107917781 A CN107917781 A CN 107917781A CN 201710992559 A CN201710992559 A CN 201710992559A CN 107917781 A CN107917781 A CN 107917781A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses the method and system that a kind of automatic scope leaks hunting, the system includes a detection device, the detection device includes control module, voice module, compressed pneumatic pump and baroceptor, the control module is connected with voice module, compressed pneumatic pump and baroceptor respectively, and the output terminal of the compressed pneumatic pump and the input terminal of baroceptor connect；The baroceptor is used to gather the pneumatic parameter inside scope to be measured and the pneumatic parameter inside compressed pneumatic pump, and pneumatic parameter is issued control module；The control module is used for the broadcasting for controlling compressed pneumatic pump working status and control voice module, and the data for being additionally operable to collect baroceptor carry out discriminatory analysis, and then controls the switching of the working status of compressed pneumatic pump and voice module.The method and system of the present invention reduces the operation artificially participated in during scope is detected and automatically generates testing result, improves detection efficiency and accuracy, can be widely applied to Medical Devices testing field.
Description
Technical field
The present invention relates to Medical Devices testing field, more particularly to the method and system that a kind of automatic scope leaks hunting.
Background technology
Scope is a kind of common medicine detector device, it can be entered in human body with direct oral cavity or other human body natural holes,
Deagnostic test and operation are carried out to human body.Scope needs to carry out scope detection of leaking hunting, the leak detection method of scope before reusing
It is divided into dry survey and two kinds of detection methods of wet survey.Dry survey method：Inflated with leak detector to scope, pressure control tests model in leak detector
In enclosing, observation is leaked hunting air pressure pointer drop situation, if drop quickly or under fall to certain meter full scale and think scope gas leakage,
Scope has breakage.Wet survey method：First inflate to scope, then scope is submerged in sink, whether observe in sink has bubble
Produce, think that scope has breakage if having bubble.Above-mentioned leak detection method predominantly manually leaks hunting at present, above-mentioned leak detection method
There is problems with：Arbitrariness is also big for manual operation for whole operation process, there is the nonstandard situation of operating process of leaking hunting, and also has
The time span that manual operation often results in test is not enough leaked hunting operating procedure with omission, and it is not smart enough so to cause conclusion of leaking hunting
Really, there is the situation for conclusion mistake of leaking hunting.
The content of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of automatic scope for reducing manual operation to leak hunting
System.
It is a further object of the present invention to provide a kind of method that automatic scope for reducing manual operation leaks hunting.
The technical solution adopted in the present invention is：
The system that a kind of automatic scope leaks hunting, including a detection device, the detection device include control module, voice mould
Block, compressed pneumatic pump and baroceptor, the control module are connected with voice module, compressed pneumatic pump and baroceptor respectively,
The output terminal of the compressed pneumatic pump and the input terminal of baroceptor connect；
The baroceptor is used to gather the pneumatic parameter inside scope to be measured and the pneumatic parameter inside compressed pneumatic pump,
And pneumatic parameter is issued into control module；
The control module is used for the broadcasting for controlling compressed pneumatic pump working status and control voice module, is additionally operable to air pressure
The data that sensor collects carry out discriminatory analysis, and then control the switching of the working status of compressed pneumatic pump and voice module.
Further, the system also includes release, described information card includes testing staff's release and scope to be measured is believed
Breath card, the detection device further include module for reading and writing, and the module for reading and writing is connected with control module；
Testing staff's release is used for the essential information for recording testing staff；
The ID number, scope model and scope that the scope release to be measured is used to record scope to be measured are detected number letter
Breath；
The module for reading and writing is used for the information in reading writing information card.
Further, the module for reading and writing is RFID read-write module, and described information card is RFID tag.
Another technical solution of the present invention is：
A kind of method that automatic scope leaks hunting, comprises the following steps：
Scope to be measured is covered by scope tarpaulin by voice module prompting and accesses detection device, and is detecting access
After detection device, detection is proceeded by according to the signal that testing staff inputs；
Given by compressed pneumatic pump inside scope to be measured after inflating, the air pressure inside scope to be measured is gathered using baroceptor
Parameter, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure reaches default base pressure force value of leaking hunting according to pneumatic parameter, if so, stop to
Inflate inside scope to be measured and base pressure force value of leaking hunting has been arrived in voice prompt air pressure；Conversely, continue to inflate, until air pressure reaches pre-
If base pressure force value of leaking hunting；
Mirror angle in testing staff's rotation is prompted according to circulating time period by voice module, it is real using baroceptor
When gather pneumatic parameter inside scope to be measured, and pneumatic parameter is transferred to control module；
Whether control module judges decline numerical value of the air pressure in the first preset period of time more than default according to pneumatic parameter
Alarm threshold, if so, judging that the scope to be measured is damaged, voice prompt scope to be measured is damaged, and test result is stored；Instead
It, judges the scope to be measured without breakage, voice prompt scope detection to be measured is qualified, and test result is stored.
Further, testing staff and scope to be measured are respectively provided with release, and reading letter is further included before scope to be measured is detected
The step of breath card, which specifically includes：
The information of testing staff's release and scope release to be measured, and the information that will be read are read by read module
Control module is transferred to, after control module receives information, information is stored.
Further, detection device self-test step, the detection device self-test step bag are further included before scope to be measured is detected
Include：
Inflated to default pressure value by compressed pneumatic pump, joined using the air pressure inside baroceptor collection compressed pneumatic pump
Number, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure is constant according to pneumatic parameter, if so, judging that compressed pneumatic pump is working properly, continues to examine
Survey scope to be measured；Conversely, judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured.
Further, the equipment self-inspection step specifically includes：
Inflated to default pressure value by compressed pneumatic pump, joined using the air pressure inside baroceptor collection compressed pneumatic pump
Number, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure drops to default falling-threshold value in the second preset period of time according to pneumatic parameter, if
It is to judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured；Conversely, judging that compressed pneumatic pump is working properly, and continue to examine
Survey scope to be measured.
Further, the default falling-threshold value is 0kpa~2kpa.
Further, data upload step is further included, the data upload step is：
Detection device by test result, base pressure force value of leaking hunting, alarm threshold, circulating time period, the first preset period of time,
The breath of testing staff's release and the information of scope release to be measured are uploaded to cloud platform.
Further, the circulating time period is 5 seconds, and first preset period of time is 30 seconds.
The method of the present invention, the beneficial effect of system are：Whether the present invention is leaked by baroceptor to sense inside scope
Gas and testing result is prompted by voice module, reduce the operation of artificial meter reading, improve the efficiency of detection, pass through voice module
The detecting step of testing staff is prompted, so that specification detection operation, while avoid causing to leak hunting because the operating time is too short result not
Accurate situation, so as to improve the quality of detection.Generally speaking, the present invention reduces what is artificially participated in during scope is detected
Operate and automatically generate testing result, improve detection efficiency and accuracy, by voice module prompting come standard operation step and
Operating time, avoids omitting situation of the operating procedure so as to the result inaccuracy that causes to leak hunting, and then avoids because failing to find in time
Scope reveals the consequence for causing economic damages.
Brief description of the drawings
Fig. 1 is the structure diagram for the system that a kind of automatic scope of the present invention leaks hunting；
Fig. 2 is the flow chart of a specific embodiment of the method that a kind of automatic scope of the present invention leaks hunting.
Embodiment
Embodiment one
As shown in Figure 1, the system that a kind of automatic scope leaks hunting, including a detection device, the detection device include control
Module, voice module, compressed pneumatic pump and baroceptor, the control module respectively with voice module, compressed pneumatic pump and air pressure
Sensor connects, and the output terminal of the compressed pneumatic pump and the input terminal of baroceptor connect；
The baroceptor is used to gather the pneumatic parameter inside scope to be measured and the pneumatic parameter inside compressed pneumatic pump,
And pneumatic parameter is issued into control module；
The control module is used for the broadcasting for controlling compressed pneumatic pump working status and control voice module, is additionally operable to air pressure
The data that sensor collects carry out discriminatory analysis, and then control the switching of the working status of compressed pneumatic pump and voice module.
Leaked hunting to scope by above-mentioned endoscopic measurement system, it is possible to reduce the operation of artificial participation simultaneously automatically generates
Testing result, improves detection efficiency and accuracy, by voice prompt come the standard operation steps and operations time, avoids omitting and grasps
Make step so as to the situation for result inaccuracy that cause to leak hunting, and then avoid because failing to find that scope economically damages caused by revealing in time
The consequence of mistake.
Preferred embodiment is further used as, the system also includes release, described information card includes testing staff
Release and scope release to be measured, the detection device further include module for reading and writing, and the module for reading and writing is connected with control module；
Testing staff's release is used for the essential information for recording testing staff；
The ID number, scope model and scope that the scope release to be measured is used to record scope to be measured are detected number letter
Breath；
The module for reading and writing is used for the information in reading writing information card.
Preferred embodiment is further used as, the module for reading and writing is RFID read-write module, and described information card is RFID
Label.
Embodiment two
Present invention also offers a kind of method that automatic scope leaks hunting, comprise the following steps：
Scope to be measured is covered by scope tarpaulin by voice module prompting and accesses detection device, and is detecting access
After detection device, detection is proceeded by according to the signal that testing staff inputs；
Given by compressed pneumatic pump inside scope to be measured after inflating, the air pressure inside scope to be measured is gathered using baroceptor
Parameter, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure reaches default base pressure force value of leaking hunting according to pneumatic parameter, if so, stop to
Inflate inside scope to be measured and base pressure force value of leaking hunting has been arrived in voice prompt air pressure；Conversely, continue to inflate, until air pressure reaches pre-
If base pressure force value of leaking hunting；
Mirror angle in testing staff's rotation is prompted according to circulating time period by voice module, it is real using baroceptor
When gather pneumatic parameter inside scope to be measured, and pneumatic parameter is transferred to control module；
Whether control module judges decline numerical value of the air pressure in the first preset period of time more than default according to pneumatic parameter
Alarm threshold, if so, judging that the scope to be measured is damaged, voice prompt scope to be measured is damaged, and test result is stored；Instead
It, judges the scope to be measured without breakage, voice prompt scope detection to be measured is qualified, and test result is stored.
The method leaked hunting by above-mentioned scope, it is possible to reduce the operation of artificial participation simultaneously automatically generates testing result,
Detection efficiency and accuracy are improved, by voice module prompting come the standard operation steps and operations time, avoids omitting operation step
It is rapid so as to the situation for result inaccuracy that cause to leak hunting, and then avoid because failing economic damages caused by discovery scope is revealed in time
Consequence.
Preferred embodiment is further used as, testing staff and scope to be measured are respectively provided with release, to be measured detecting
The step of reading release is further included before scope, which specifically includes：
The information of testing staff's release and scope release to be measured, and the information that will be read are read by read module
Control module is transferred to, after control module receives information, information is stored.
There are the essential information of testing staff, including the name of testing staff and work hilllock in testing staff's release
The position information such as rank, the ID number, scope model and scope for having scope to be measured in scope release to be measured are detected the letter such as number
Breath, read module have read the information of release, and testing staff's release and scope release to be measured are corresponded to together, so may be used
Clearly have recorded which scope to be measured is detected by which testing staff, facilitate the management and tracking in later stage.
Preferred embodiment is further used as, detection device self-test step is further included before scope to be measured is detected, it is described
Detection device self-test step includes：
Inflated to default pressure value by compressed pneumatic pump, joined using the air pressure inside baroceptor collection compressed pneumatic pump
Number, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure is constant according to pneumatic parameter, if so, judging that compressed pneumatic pump is working properly, continues to examine
Survey scope to be measured；Conversely, judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured.
Preferred embodiment is further used as, the equipment self-inspection step specifically includes：
Inflated to default pressure value by compressed pneumatic pump, joined using the air pressure inside baroceptor collection compressed pneumatic pump
Number, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure drops to default falling-threshold value in the second preset period of time according to pneumatic parameter, if
It is to judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured；Conversely, judging that compressed pneumatic pump is working properly, and continue to examine
Survey scope to be measured.
Preferred embodiment is further used as, the default falling-threshold value is 0kpa~2kpa.
Preferred embodiment is further used as, further includes data upload step, the data upload step is：
Detection device by test result, base pressure force value of leaking hunting, alarm threshold, circulating time period, the first preset period of time,
The breath of testing staff's release and the information of scope release to be measured are uploaded to cloud platform.
These above-mentioned information are uploaded into cloud platform, cloud platform is analyzed and processed and stored to these information, works as user
When requiring to look up the detection case of related scope, detection parameters and testing result during detection can be clearly viewed, greatly
Trace to the source convenient for users to the management to testing result and tracking.
Preferred embodiment is further used as, the circulating time period is 5 seconds, and first preset period of time is 30
Second.
Embodiment three
The present embodiment is the detailed example of embodiment two, as shown in Fig. 2, a kind of method that automatic scope leaks hunting, including with
Lower step：
S1, detection device self-test.
S1 specifically includes step S11~S12：
S11, inflated to default pressure value by compressed pneumatic pump, using the gas inside baroceptor collection compressed pneumatic pump
Parameter is pressed, and pneumatic parameter is transferred to control module.
S12, control module judge whether air pressure drops to default decline threshold in the second preset period of time according to pneumatic parameter
Value, if so, judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured；Conversely, judge that compressed pneumatic pump is working properly, and
Continue to detect scope to be measured.
The default falling-threshold value is 0kpa~2kpa.
S2, the information for reading by read module testing staff's release and scope release to be measured, and will read
Information is transferred to control module, and after control module receives information, information is stored.
S3, cover scope tarpaulin by scope to be measured by voice module prompting and access detection device, and is detecting
After accessing detection device, detection is proceeded by according to the signal that testing staff inputs.
S4, by compressed pneumatic pump to inflating inside scope to be measured after, gathered using baroceptor inside scope to be measured
Pneumatic parameter, and pneumatic parameter is transferred to control module.
S5, control module judge whether air pressure reaches default base pressure force value of leaking hunting according to pneumatic parameter, if so, stopping
To inflating inside scope to be measured and base pressure force value of leaking hunting has been arrived in voice prompt air pressure；Conversely, continue to inflate, until air pressure reaches
Default base pressure force value of leaking hunting.
S6, by voice module according to circulating time period prompt testing staff rotation in mirror angle, using air pressure sensing
Device gathers the pneumatic parameter inside scope to be measured in real time, and pneumatic parameter is transferred to control module.
S7, control module judge whether decline numerical value of the air pressure in the first preset period of time exceedes according to pneumatic parameter and preset
Alarm threshold, if so, judging that the scope to be measured is damaged, voice prompt scope to be measured is damaged, and test result is stored；
Conversely, judging the scope to be measured without breakage, voice prompt scope detection to be measured is qualified, and test result is stored.
When S8, detection device preset test result, base pressure force value of leaking hunting, alarm threshold, circulating time period, first
The information of section, the breath of testing staff's release and scope release to be measured is uploaded to cloud platform.
Whether the detection method of above-mentioned automatic scope gas leakage and passes through voice by baroceptor to sense inside scope
Module prompts testing result, reduces the operation of artificial meter reading, improves the efficiency of detection, testing staff is prompted by voice module
Detecting step so that specification detection operation, while the situation for the result inaccuracy that avoids causing because the operating time is too short leaking hunting, from
And improve the quality of detection.Generally speaking, above reduce the operation artificially participated in and automatically generate testing result, improve
Detection efficiency and accuracy, by voice prompt come the standard operation steps and operations time, avoid omitting operating procedure so as to lead
The situation of result inaccuracy of leaking hunting is caused, and then avoids the consequence because failing economic damages caused by discovery scope is revealed in time.
In addition, read and store the information for taking testing staff and the information of scope to be measured, and by the information of testing staff, treat
The relevant information of the information and test result of surveying scope uploads cloud platform, and user can log in cloud platform by browser, look into
See relevant testing result, the management and tracking surveyed convenient for users to internal microscopy are traced to the source, and have saved the cost of management, improve pipe
Manage efficiency.
Above is the preferable of the present invention is implemented to be illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. the system that a kind of automatic scope leaks hunting, it is characterised in that including a detection device, the detection device includes control mould
Block, voice module, compressed pneumatic pump and baroceptor, the control module respectively with voice module, compressed pneumatic pump and air pressure transmission
Sensor connects, and the output terminal of the compressed pneumatic pump and the input terminal of baroceptor connect；
The baroceptor is used to gather the pneumatic parameter inside scope to be measured and the pneumatic parameter inside compressed pneumatic pump, and will
Pneumatic parameter issues control module；
The control module is used for the broadcasting for controlling compressed pneumatic pump working status and control voice module, is additionally operable to air pressure sensing
The data that device collects carry out discriminatory analysis, and then control the switching of the working status of compressed pneumatic pump and voice module.
2. the system that a kind of automatic scope according to claim 1 leaks hunting, it is characterised in that the system also includes information
Card,
Described information card includes testing staff's release and scope release to be measured, the detection device further include module for reading and writing,
The module for reading and writing is connected with control module；
Testing staff's release is used for the essential information for recording testing staff；
The ID number, scope model and scope that the scope release to be measured is used to record scope to be measured are detected number information；
The module for reading and writing is used for the information in reading writing information card.
3. the system that a kind of automatic scope according to claim 2 leaks hunting, it is characterised in that the module for reading and writing is RFID
Module for reading and writing, described information card are RFID tag.
4. a kind of method that automatic scope leaks hunting, it is characterised in that comprise the following steps：
Scope to be measured is covered by scope tarpaulin by voice module prompting and accesses detection device, and is detecting access detection
After device, detection is proceeded by according to the signal that testing staff inputs；
Given by compressed pneumatic pump inside scope to be measured after inflating, the air pressure inside scope to be measured is gathered using baroceptor and is joined
Number, and pneumatic parameter is transferred to control module；
Control module judges whether air pressure reaches default base pressure force value of leaking hunting according to pneumatic parameter, if so, stopping to be measured
Inflate inside scope and base pressure force value of leaking hunting has been arrived in voice prompt air pressure；Conversely, continue to inflate, until air pressure reaches default
Leak hunting base pressure force value；
Mirror angle in testing staff's rotation is prompted according to circulating time period by voice module, is adopted in real time using baroceptor
Collect the pneumatic parameter inside scope to be measured, and pneumatic parameter is transferred to control module；
Control module judges whether decline numerical value of the air pressure in the first preset period of time exceedes default alarm according to pneumatic parameter
Threshold value, if so, judging that the scope to be measured is damaged, voice prompt scope to be measured is damaged, and test result is stored；
Conversely, judging the scope to be measured without breakage, voice prompt scope detection to be measured is qualified, and test result is deposited
Storage.
5. the method that a kind of automatic scope according to claim 4 leaks hunting, it is characterised in that testing staff and scope to be measured
Release is respectively provided with, the step of reading release is being further included before detecting scope to be measured, which specifically includes：
The information of testing staff's release and scope release to be measured is read by read module, and the information read is transmitted
To control module, after control module receives information, information is stored.
6. the method that a kind of automatic scope according to claim 4 leaks hunting, it is characterised in that before scope to be measured is detected also
Including detection device self-test step, the detection device self-test step includes：
Inflated by compressed pneumatic pump to default pressure value, the pneumatic parameter inside compressed pneumatic pump gathered using baroceptor,
And pneumatic parameter is transferred to control module；
Control module judges whether air pressure is constant according to pneumatic parameter, if so, judging that compressed pneumatic pump is working properly, continues detection and treats
Survey scope；Conversely, judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured.
7. the method that a kind of automatic scope according to claim 6 leaks hunting, it is characterised in that the equipment self-inspection step tool
Body includes：
Inflated by compressed pneumatic pump to default pressure value, the pneumatic parameter inside compressed pneumatic pump gathered using baroceptor,
And pneumatic parameter is transferred to control module；
Control module judges whether air pressure drops to default falling-threshold value in the second preset period of time according to pneumatic parameter, if so,
Judge compressed pneumatic pump operation irregularity, and detection of end scope to be measured；Conversely, judging that compressed pneumatic pump is working properly, and continue to detect
Scope to be measured.
8. the method that a kind of automatic scope according to claim 7 leaks hunting, it is characterised in that the default falling-threshold value is
0kpa~2kpa.
9. the method that a kind of automatic scope according to claim 5 leaks hunting, it is characterised in that further include data and upload step
Suddenly, the data upload step is：
Detection device by test result, base pressure force value of leaking hunting, alarm threshold, circulating time period, the first preset period of time, detection
The breath of personal information card and the information of scope release to be measured are uploaded to cloud platform.
10. the method that a kind of automatic scope according to claim 9 leaks hunting, it is characterised in that the circulating time period
For 5 seconds, first preset period of time was 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992559.0A CN107917781A (en) | 2017-10-23 | 2017-10-23 | The method and system that a kind of automatic scope leaks hunting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992559.0A CN107917781A (en) | 2017-10-23 | 2017-10-23 | The method and system that a kind of automatic scope leaks hunting |
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| Publication Number | Publication Date |
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| CN107917781A true CN107917781A (en) | 2018-04-17 |
Family
ID=61895766
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710992559.0A Pending CN107917781A (en) | 2017-10-23 | 2017-10-23 | The method and system that a kind of automatic scope leaks hunting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884253A (en) * | 2021-09-30 | 2022-01-04 | 潍柴巴拉德氢能科技有限公司 | Air tightness detection method, equipment and system |
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| EP0100069A2 (en) * | 1982-07-27 | 1984-02-08 | Olympus Optical Co., Ltd. | Connector device for checking leakage in an airtight endoscope |
| US6412334B1 (en) * | 2000-02-07 | 2002-07-02 | Steris Inc. | Leak detector for endoscopes |
| CN102210554A (en) * | 2011-06-03 | 2011-10-12 | 美的集团有限公司 | Water dispenser leakage detection device and leakage detection method thereof |
| CN104330232A (en) * | 2014-09-22 | 2015-02-04 | 昆山迈致治具科技有限公司 | Airtightness test fixture |
| CN106164639A (en) * | 2014-04-07 | 2016-11-23 | 德铃通信部品有限公司 | Endoscope leaks automatic detection device and detection method thereof |
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| JPS58159720A (en) * | 1982-03-19 | 1983-09-22 | オリンパス光学工業株式会社 | Apparatus for detecting water leakage for endoscope |
| EP0100069A2 (en) * | 1982-07-27 | 1984-02-08 | Olympus Optical Co., Ltd. | Connector device for checking leakage in an airtight endoscope |
| US6412334B1 (en) * | 2000-02-07 | 2002-07-02 | Steris Inc. | Leak detector for endoscopes |
| CN102210554A (en) * | 2011-06-03 | 2011-10-12 | 美的集团有限公司 | Water dispenser leakage detection device and leakage detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113884253A (en) * | 2021-09-30 | 2022-01-04 | 潍柴巴拉德氢能科技有限公司 | Air tightness detection method, equipment and system |
| CN113884253B (en) * | 2021-09-30 | 2024-04-12 | 潍柴巴拉德氢能科技有限公司 | Air tightness detection method, equipment and system |
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