CN112098011A - Air tightness detection system and air tightness detection method - Google Patents
Air tightness detection system and air tightness detection method Download PDFInfo
- Publication number
- CN112098011A CN112098011A CN201910523130.6A CN201910523130A CN112098011A CN 112098011 A CN112098011 A CN 112098011A CN 201910523130 A CN201910523130 A CN 201910523130A CN 112098011 A CN112098011 A CN 112098011A
- Authority
- CN
- China
- Prior art keywords
- pressure value
- buffer tank
- real
- air
- storage buffer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides an air tightness detection system for detecting the air tightness of a product to be detected, which at least comprises an air storage buffer tank, a valve, an air inflating motor and a pressure gauge; the inflating motor is connected with the gas storage buffer tank and used for inputting compressed gas into the gas storage buffer tank; the gas storage buffer tank is connected with the product to be detected, and the valve is arranged between the product to be detected and the gas storage buffer tank and used for opening or closing an airflow channel between the product to be detected and the gas storage buffer tank; the pressure gauge is connected with the gas storage buffer tank and used for monitoring the gas pressure in the gas storage buffer tank in real time. The air tightness detection system utilizes the pressure gauge to monitor the air pressure in the air storage buffer tank in real time, so that the air tightness of the product to be detected is detected. The invention also provides an air tightness detection method for detecting the air tightness of the product to be detected.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to an air tightness detection system and an air tightness detection method.
Background
With the rapid development of science and technology, many products include 3C products and consumer electronics products such as waterproof cameras, smart phones, wearable smart device waterproof earphones, and vehicle electronics products such as car backing radar detectors, driving recorders, and even products commonly used in the living environment, all of which must have a basic waterproof function.
Although the structure of the waterproof mechanism of many current products is changed, the penetration of moisture can not be prevented by hundreds of percent. In order to ensure that the waterproof performance of the product in shipment is good, the air tightness detection must be performed on the finished product.
Disclosure of Invention
In view of the above, it is desirable to provide a system and a method for detecting air tightness.
An air tightness detection system for detecting the air tightness of a product to be detected, the air tightness detection system comprises:
the gas storage buffer tank is connected with the product to be detected;
the valve is arranged between the product to be detected and the gas storage buffer tank and used for opening or closing an airflow channel between the product to be detected and the gas storage buffer tank;
the inflating motor is connected with the gas storage buffer tank and used for inputting compressed gas into the gas storage buffer tank;
the pressure gauge is connected with the gas storage buffer tank and used for monitoring the gas pressure in the gas storage buffer tank in real time;
control terminal, with the motor of inflating with the manometer is connected, control terminal includes:
the storage unit stores a preset critical air pressure value;
a judgment unit;
a processor adapted to implement instructions; and
a memory adapted to store a plurality of instructions, the instructions adapted to be loaded and executed by the processor:
when the valve is closed, starting the inflating motor to input the compressed gas into the gas storage buffer tank until the real-time pressure value of the pressure gauge reaches a preset pressure value, and then closing the inflating motor, wherein the preset pressure value is larger than the critical pressure value;
under the state that the valve is opened, standing the air tightness detection system within a preset detection time period, acquiring a real-time air pressure value of the pressure gauge within the detection time period, and storing the real-time air pressure value of the pressure gauge into the storage unit;
and controlling the judging unit to acquire the critical air pressure value and the real-time air pressure value of the pressure gauge for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product to be detected.
Further, the gas tightness detecting system further comprises a one-way valve arranged between the inflating motor and the gas storage buffer tank and used for limiting the compressed gas to flow to the gas storage buffer tank from the inflating motor in a one-way mode.
Further, the air tightness detection system further comprises a display screen, and the display screen is connected with the control terminal and used for displaying the real-time air pressure in the air storage buffer tank and the judgment result of the judgment unit.
Further, the air tightness detection system further comprises an analog-to-digital converter, the analog-to-digital converter is respectively connected with the pressure gauge and the control terminal, and the analog-to-digital converter is used for converting a real-time air pressure value in the air storage buffer tank into an air pressure value with discrete time and discrete amplitude within a preset detection time period; the processor is also used for acquiring the real-time air pressure value converted by the analog-to-digital converter in the detection time period and storing the real-time air pressure value into the storage unit; the processor also controls the display screen to acquire and display the real-time air pressure value which is stored in the storage unit and converted by the analog-to-digital converter in the detection time period.
Further, the control terminal further comprises a data analysis unit, the data analysis unit is connected with the processor and the storage unit, and the processor is further used for controlling the data analysis unit to acquire the critical air pressure value and the real-time air pressure value of the pressure gauge so as to generate a real-time air pressure curve comparison graph and controlling the display screen to display the real-time air pressure curve comparison graph.
Further, the air tightness detection system further comprises a scanner, the scanner is used for scanning the code of the product to be detected, the scanner is connected with the control terminal, and the processor is further used for acquiring the code scanned by the scanner and storing the code in the storage unit.
An air tightness detection method is used for detecting the air tightness of a product to be detected, and comprises the following steps: providing a valve, a gas storage buffer tank and a pressure gauge, connecting the gas storage buffer tank with the product to be tested, arranging the valve between the product to be tested and the gas storage buffer tank, and connecting the pressure gauge with the gas storage buffer tank to monitor the air pressure in the gas storage buffer tank in real time; providing an inflating motor, and connecting the inflating motor with the air storage buffer tank; when the valve is closed, starting the inflating motor to input compressed gas into the gas storage buffer tank until the real-time pressure value of the pressure gauge reaches a preset pressure value; closing the inflating motor, standing within a preset detection time period under the state that the valve is opened, acquiring a real-time air pressure value of the pressure gauge within the detection time period, and storing the real-time air pressure value of the pressure gauge into a storage unit; and obtaining a critical air pressure value prestored in the storage unit and a real-time air pressure value of the pressure gauge for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product to be detected.
Further, the method includes, while "providing an air pumping motor and connecting the air pumping motor to the air storage buffer tank": and providing a one-way valve, wherein the one-way valve is arranged between the inflating motor and the air storage buffer tank so as to limit the compressed air to flow to the air storage buffer tank from the inflating motor in one way.
Further, the airtightness detection method further comprises: and providing a display screen, wherein the display screen is connected with the pressure gauge and used for displaying the real-time air pressure in the air storage buffer tank.
Further, the airtightness detection method further comprises: providing an analog-to-digital converter to convert the real-time air pressure value in the air storage buffer tank into an air pressure value with discrete time and discrete amplitude in the detection time period, acquiring the real-time air pressure value converted by the analog-to-digital converter in the detection time period, storing the real-time air pressure value into the storage unit, controlling the display screen and displaying the real-time air pressure value stored in the storage unit and converted by the analog-to-digital converter in the detection time period.
Compared with the prior art, the air tightness detection system and the air tightness detection method provided by the invention have the advantages that the pressure gauge is used for monitoring the air pressure in the air storage buffer tank in real time, so that the real-time air pressure in the air storage buffer tank is compared with the preset air pressure value and the critical air pressure value in the preset detection time period, the air tightness detection result of the product to be detected is judged, and the air tightness detection of the product to be detected is realized.
Drawings
Fig. 1 is a block diagram of a airtightness detection system according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart of a method for detecting air-tightness in an embodiment of the present invention.
Fig. 3 and 4 are schematic diagrams illustrating detection results (real-time air pressure curve comparison) of the air-tightness detection system according to the embodiment of the present invention.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The invention provides an air tightness detection system, which is used for detecting the air tightness of a product to be detected and comprises: the gas storage buffer tank is connected with the product to be detected; the valve is arranged between the product to be detected and the gas storage buffer tank and used for opening or closing an airflow channel between the product to be detected and the gas storage buffer tank; the inflating motor is connected with the gas storage buffer tank and used for inputting compressed gas into the gas storage buffer tank; the pressure gauge is connected with the gas storage buffer tank and used for monitoring the gas pressure in the gas storage buffer tank in real time; control terminal, with the motor of inflating with the manometer is connected, control terminal includes: the storage unit stores a preset critical air pressure value; a judgment unit; a processor adapted to implement instructions; and a memory adapted to store a plurality of instructions, the instructions adapted to be loaded and executed by the processor: when the valve is closed, starting the inflating motor to input the compressed gas into the gas storage buffer tank until the real-time pressure value of the pressure gauge reaches a preset pressure value, and then closing the inflating motor, wherein the preset pressure value is larger than the critical pressure value; under the state that the valve is opened, standing the air tightness detection system within a preset detection time period, acquiring a real-time air pressure value of the pressure gauge within the detection time period, and storing the real-time air pressure value of the pressure gauge into the storage unit; and controlling the judging unit to acquire the critical air pressure value and the real-time air pressure value of the pressure gauge for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product to be detected.
The invention also provides an air tightness detection method for detecting the air tightness of a product to be detected, which comprises the following steps: providing a valve, a gas storage buffer tank and a pressure gauge, connecting the gas storage buffer tank with the product to be tested, arranging the valve between the product to be tested and the gas storage buffer tank, and connecting the pressure gauge with the gas storage buffer tank to monitor the air pressure in the gas storage buffer tank in real time; providing an inflating motor, and connecting the inflating motor with the air storage buffer tank; when the valve is closed, starting the inflating motor to input compressed gas into the gas storage buffer tank until the real-time pressure value of the pressure gauge reaches a preset pressure value; closing the inflating motor, standing within a preset detection time period under the state that the valve is opened, acquiring a real-time air pressure value of the pressure gauge within the detection time period, and storing the real-time air pressure value of the pressure gauge into a storage unit; and obtaining a critical air pressure value prestored in the storage unit and a real-time air pressure value of the pressure gauge for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product to be detected.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the invention provides an air tightness detecting system 10, wherein the air tightness detecting system 10 is used for detecting the air tightness of a product 1 to be detected.
The air tightness detection system 10 at least comprises a valve 2, an air storage buffer tank 3, an air inflating motor 4, a pressure gauge 5 and a control terminal 20. And the gas storage buffer tank 3 is connected with the product 1 to be detected. The valve 2 is arranged between the product 1 to be tested and the gas storage buffer tank 3 and used for opening or closing an airflow channel between the product 1 to be tested and the gas storage buffer tank 3. The inflating motor 4 is connected with the air storage buffer tank 3 and used for inputting compressed air into the air storage buffer tank 3. The pressure gauge 5 is connected with the gas storage buffer tank 3 and used for monitoring the air pressure in the gas storage buffer tank 3 in real time. The control terminal 20 is connected with the inflating motor 4 and the pressure gauge 5.
In this embodiment, the product 1 to be tested is an electronic product, such as a mobile phone. The product 1 to be tested is loaded and positioned on a positioning fixture (not shown) similar to the fixing base during the detection. Meanwhile, in order to ensure the stability of the connecting air pipes among the structures, the air storage buffer tank 3, the inflating motor 4 and the pressure gauge 5 are preferably accommodated in the fixed seat.
In this embodiment, the connection of gas storage buffer tank 3 with the product 1 that awaits measuring can adopt the trachea to realize, specifically, communicate respectively with this tracheal both ends the gas outlet of gas storage buffer tank 3 with the airtight test hole of the product 1 that awaits measuring, valve 2 is located on this trachea in order to open or close the product 1 that awaits measuring with the air current passageway between the gas storage buffer tank 3.
The control terminal 20 includes at least a memory 21, a processor 22, a storage unit 23, and a judgment unit 24. The storage unit 23 and the determination unit 24 are connected to the processor 22, respectively. The storage unit 23 stores therein a predetermined critical air pressure value. The processor 22 is adapted to implement instructions. The memory 21 is adapted to store a plurality of instructions that are adapted to be loaded and executed by the processor 22. The processor 22 may be a central processing unit, a digital signal processor, or a single chip microcomputer. Specifically, the processor 22 loads and executes:
under the state that the valve 2 is closed, starting the inflating motor 4 to input compressed gas into the gas storage buffer tank 3 until the real-time pressure value of the pressure gauge 5 reaches a preset pressure value, and then closing the inflating motor 4, wherein the preset pressure value is larger than the critical pressure value;
in the state that the valve 2 is opened, the air tightness detection system 10 is kept still within a preset detection time period, the real-time air pressure value of the pressure gauge 5 within the detection time period is obtained, and the real-time air pressure value of the pressure gauge 5 is stored in the storage unit 23;
and controlling the judging unit 24 to obtain the critical air pressure value and the real-time air pressure value of the pressure gauge 5 for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge 5 is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product 1 to be detected. Specifically, if the real-time air pressure value of the pressure gauge 5 is between the preset air pressure value and the critical air pressure value, the air tightness of the product 1 to be detected is qualified; otherwise, the product is not qualified.
Preferably, the air tightness detecting system 10 further comprises a check valve 6, wherein the check valve 6 is arranged between the inflating motor 4 and the air storage buffer tank 3 and used for limiting the compressed air to flow to the air storage buffer tank 3 from the inflating motor 4 in a single direction.
Preferably, the air tightness detecting system 10 further comprises a display screen 7, the display screen 7 is arranged on the outer side wall of the fixing seat, and the display screen 7 is connected with the control terminal 20 to display the real-time air pressure in the air storage buffer tank 3.
Preferably, the air tightness detecting system 10 further comprises an analog-to-digital converter 8, and the analog-to-digital converter 8 is respectively connected with the pressure gauge 5 and the control terminal 20. The analog-to-digital converter 8 is a circuit module for converting an analog signal into a digital signal, and functions to convert an analog quantity which is continuous in time and continuous in amplitude into a digital signal which is discrete in time and discrete in amplitude. In the present embodiment, the analog-to-digital converter 8 is configured to convert the real-time air pressure value in the air storage buffer tank 3 into an air pressure value with discrete time and discrete amplitude in the detection time period. The processor 22 is further configured to obtain a real-time air pressure value converted by the analog-to-digital converter 8 in the detection time period, and store the real-time air pressure value in the storage unit 23. The processor 22 further controls the display 7 to obtain the real-time air pressure value, which is stored in the storage unit 23 and converted by the analog-to-digital converter 8 during the detection time period, and display a real-time air pressure graph (with time-air pressure as an axis) of the real-time air pressure in the air storage buffer tank 3 during the detection time period, as shown in fig. 3 and 4.
Preferably, the control terminal 20 further includes a data analysis unit 25, the data analysis unit 25 is connected to the processor 22 and the storage unit 23, and the processor 22 is further configured to control the data analysis unit 25 to obtain the critical air pressure value and the real-time air pressure value of the pressure gauge 5 to generate a real-time air pressure curve comparison graph (as shown in fig. 3 and 4), and control the display screen 7 to display the real-time air pressure curve comparison graph.
Preferably, the air tightness detecting system 10 further includes a scanner 9, the scanner 9 is disposed adjacent to the fixing seat and is configured to scan a code of the product 1 to be detected, the scanner 9 is connected to the control terminal 20, and the processor 22 is further configured to obtain the code scanned by the scanner and store the code in the storage unit 23.
Referring to fig. 2, the embodiment of the invention further provides an air tightness detecting method 30 for detecting the air tightness of the product 1 to be detected. The airtightness detection method 30 in the present embodiment is merely an example, because there are many ways to implement the method. The airtightness detection method 30 to be described next can be performed by the module shown in fig. 2. One or more steps, methods or sub-processes, etc., represented by each block in fig. 2 are performed by an example method. The exemplary method begins at step 31.
Preferably, after step 31, the airtightness detection method 30 may further include: providing a fixing seat (not shown) to bear and position the product 1 to be tested, and accommodating the air storage buffer tank 3, the inflating motor 4 and the pressure gauge 5 in the fixing seat.
Preferably, at the same time as step 31, the airtightness detection method 30 may further include: and providing a one-way valve 6, and arranging the one-way valve 6 between the inflating motor 4 and the air storage buffer tank 3 so as to limit the one-way flow of the compressed air from the inflating motor 4 to the air storage buffer tank 3.
Preferably, the airtightness detection method 30 may further include: the display screen 7 is provided, the display screen 7 is arranged on the outer side wall of the fixing seat, the display screen 7 is connected with the pressure gauge 5 and used for displaying the real-time air pressure in the air storage buffer tank 3.
Preferably, the airtightness detection method 30 may further include: providing an analog-to-digital converter 8 to convert the real-time air pressure value in the air storage buffer tank 3 into an air pressure value with discrete time and discrete amplitude in the detection time period, acquiring the real-time air pressure value converted by the analog-to-digital converter 8 in the detection time period, storing the real-time air pressure value into the storage unit 23, controlling the display 7 to acquire the real-time air pressure value converted by the analog-to-digital converter 8 in the detection time period stored in the storage unit 23, and displaying a real-time air pressure curve graph (with time-air pressure as an axis) of the real-time air pressure in the air storage buffer tank 3 in the detection time period, as shown in fig. 3 and fig. 4.
Preferably, the control terminal 20 further includes a data analysis unit 25, the data analysis unit 25 is connected to the processor 22 and the storage unit 23, and the processor 22 is further configured to control the data analysis unit 25 to obtain the critical air pressure value and the real-time air pressure value of the pressure gauge 5 to generate a real-time air pressure curve comparison graph (as shown in fig. 3 and 4), and control the display screen 7 to display the real-time air pressure curve graph.
Preferably, the airtightness detection method 30 may further include: a scanner 9 is provided to scan the code of the product 1 to be tested and to store the code in the storage unit 23.
Compared with the prior art, the airtightness detection system 10 and the airtightness detection method 30 of the invention monitor the air pressure in the air storage buffer tank 3 in real time by using the pressure gauge 5, so that the real-time air pressure in the air storage buffer tank 3 is compared with a preset air pressure value and a critical air pressure value within a preset detection time period to determine the airtightness detection result of the product 1 to be detected, thereby realizing the airtightness detection of the product 1 to be detected.
It is understood that various other changes and modifications may be made by those skilled in the art based on the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the claims of the present invention.
Claims (10)
1. The utility model provides an air tightness detecting system for detect the gas tightness of the product that awaits measuring, its characterized in that, air tightness detecting system includes:
the gas storage buffer tank is connected with the product to be detected;
the valve is arranged between the product to be detected and the gas storage buffer tank and used for opening or closing an airflow channel between the product to be detected and the gas storage buffer tank;
the inflating motor is connected with the gas storage buffer tank and used for inputting compressed gas into the gas storage buffer tank;
the pressure gauge is connected with the gas storage buffer tank and used for monitoring the gas pressure in the gas storage buffer tank in real time;
control terminal, with the motor of inflating with the manometer is connected, control terminal includes:
the storage unit stores a preset critical air pressure value;
a judgment unit;
a processor adapted to implement instructions; and
a memory adapted to store a plurality of instructions, the instructions adapted to be loaded and executed by the processor:
when the valve is closed, starting the inflating motor to input the compressed gas into the gas storage buffer tank until the real-time pressure value of the pressure gauge reaches a preset pressure value, and then closing the inflating motor, wherein the preset pressure value is larger than the critical pressure value;
under the state that the valve is opened, standing the air tightness detection system within a preset detection time period, acquiring a real-time air pressure value of the pressure gauge within the detection time period, and storing the real-time air pressure value of the pressure gauge into the storage unit;
and controlling the judging unit to acquire the critical air pressure value and the real-time air pressure value of the pressure gauge for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product to be detected.
2. The hermeticity detection system of claim 1, wherein: the air tightness detection system further comprises a one-way valve arranged between the inflating motor and the air storage buffer tank and used for limiting the compressed air to flow to the air storage buffer tank from the inflating motor in one way.
3. The hermeticity detection system of claim 1, wherein: the air tightness detection system further comprises a display screen, and the display screen is connected with the control terminal and used for displaying the real-time air pressure in the air storage buffer tank and the judgment result of the judgment unit.
4. The hermeticity detection system of claim 3, wherein: the air tightness detection system further comprises an analog-to-digital converter, the analog-to-digital converter is respectively connected with the pressure gauge and the control terminal, and the analog-to-digital converter is used for converting a real-time air pressure value in the air storage buffer tank into an air pressure value with discrete time and discrete amplitude within a preset detection time period; the processor is also used for acquiring the real-time air pressure value converted by the analog-to-digital converter in the detection time period and storing the real-time air pressure value into the storage unit; the processor also controls the display screen to acquire and display the real-time air pressure value which is stored in the storage unit and converted by the analog-to-digital converter in the detection time period.
5. The hermeticity detection system of claim 3, wherein: the control terminal further comprises a data analysis unit, the data analysis unit is connected with the processor and the storage unit, the processor is further used for controlling the data analysis unit to acquire the critical air pressure value and the real-time air pressure value of the pressure gauge so as to generate a real-time air pressure curve comparison graph, and the display screen is controlled to display the real-time air pressure curve comparison graph.
6. The hermeticity detection system of claim 1, wherein: the air tightness detection system further comprises a scanner, the scanner is used for scanning the code of the product to be detected, the scanner is connected with the control terminal, and the processor is further used for obtaining the code scanned by the scanner and storing the code in the storage unit.
7. An air tightness detection method is used for detecting the air tightness of a product to be detected, and comprises the following steps:
providing a valve, a gas storage buffer tank and a pressure gauge, connecting the gas storage buffer tank with the product to be tested, arranging the valve between the product to be tested and the gas storage buffer tank, and connecting the pressure gauge with the gas storage buffer tank to monitor the air pressure in the gas storage buffer tank in real time;
providing an inflating motor, and connecting the inflating motor with the air storage buffer tank;
when the valve is closed, starting the inflating motor to input compressed gas into the gas storage buffer tank until the real-time pressure value of the pressure gauge reaches a preset pressure value;
closing the inflating motor, standing within a preset detection time period under the state that the valve is opened, acquiring a real-time air pressure value of the pressure gauge within the detection time period, and storing the real-time air pressure value of the pressure gauge into a storage unit;
and obtaining a critical air pressure value prestored in the storage unit and a real-time air pressure value of the pressure gauge for comparison and analysis, and judging whether the real-time air pressure value of the pressure gauge is between the preset air pressure value and the critical air pressure value so as to judge the air tightness detection result of the product to be detected.
8. The airtightness detection method according to claim 7, wherein: "provide the motor of inflating, with the motor of inflating with the gas storage buffer tank is connected", still include: and providing a one-way valve, wherein the one-way valve is arranged between the inflating motor and the air storage buffer tank so as to limit the compressed air to flow to the air storage buffer tank from the inflating motor in one way.
9. The airtightness detection method according to claim 8, wherein: the airtightness detection method further comprises: and providing a display screen, wherein the display screen is connected with the pressure gauge and used for displaying the real-time air pressure in the air storage buffer tank.
10. The airtightness detection method according to claim 9, wherein: the airtightness detection method further comprises: providing an analog-to-digital converter to convert the real-time air pressure value in the air storage buffer tank into an air pressure value with discrete time and discrete amplitude in the detection time period, acquiring the real-time air pressure value converted by the analog-to-digital converter in the detection time period, storing the real-time air pressure value into the storage unit, controlling the display screen and displaying the real-time air pressure value stored in the storage unit and converted by the analog-to-digital converter in the detection time period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523130.6A CN112098011A (en) | 2019-06-17 | 2019-06-17 | Air tightness detection system and air tightness detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523130.6A CN112098011A (en) | 2019-06-17 | 2019-06-17 | Air tightness detection system and air tightness detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112098011A true CN112098011A (en) | 2020-12-18 |
Family
ID=73748576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910523130.6A Pending CN112098011A (en) | 2019-06-17 | 2019-06-17 | Air tightness detection system and air tightness detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112098011A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201285340Y (en) * | 2008-10-21 | 2009-08-05 | 深圳市宝德自动化精密设备有限公司 | Air tightness detection device |
| CN203249743U (en) * | 2013-05-13 | 2013-10-23 | 北京德尔福万源发动机管理系统有限公司 | Gas tightness detection device |
| CN104155070A (en) * | 2013-05-13 | 2014-11-19 | 北京德尔福万源发动机管理系统有限公司 | Airtightness detecting device and method |
| CN208188295U (en) * | 2018-06-13 | 2018-12-04 | 北京送变电有限公司 | Detection device |
| CN108956368A (en) * | 2018-07-03 | 2018-12-07 | 中国石油天然气股份有限公司 | A kind of rock gas saturation measurement system and method |
-
2019
- 2019-06-17 CN CN201910523130.6A patent/CN112098011A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201285340Y (en) * | 2008-10-21 | 2009-08-05 | 深圳市宝德自动化精密设备有限公司 | Air tightness detection device |
| CN203249743U (en) * | 2013-05-13 | 2013-10-23 | 北京德尔福万源发动机管理系统有限公司 | Gas tightness detection device |
| CN104155070A (en) * | 2013-05-13 | 2014-11-19 | 北京德尔福万源发动机管理系统有限公司 | Airtightness detecting device and method |
| CN208188295U (en) * | 2018-06-13 | 2018-12-04 | 北京送变电有限公司 | Detection device |
| CN108956368A (en) * | 2018-07-03 | 2018-12-07 | 中国石油天然气股份有限公司 | A kind of rock gas saturation measurement system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200393322A1 (en) | Airtightness detection system and airtightness detection method | |
| CN1254667C (en) | Testing apparatus with environmentally-controlled vibrator compartment | |
| CN106331975B (en) | Fault detection method, device and system for intelligent voice interaction equipment | |
| CN106644307B (en) | A kind of workpiece vacuum degree automatic checkout system | |
| US9429493B2 (en) | Manifold assembly for a portable leak tester | |
| CN101210856B (en) | Test system for testing water-proof product and test method | |
| KR20100119942A (en) | Apparatus and method for automatic call termination/origination based on pose of user in portbale terminal | |
| CN113418142B (en) | Natural gas leakage monitoring system and method | |
| CN106310472B (en) | Ventilator calibrator (-ter) unit and ventilator calibration system | |
| JP2009121965A (en) | Method for inspecting waterproof performance of waterproof instrument, system, and waterproof instrument | |
| CN106768610B (en) | A kind of workpiece vacuum degree automatic testing method | |
| CN112556927B (en) | Pressure sensor self-correcting method, equipment, storage medium and device | |
| WO2006071973A1 (en) | System and method of using sensors to emulate human senses for diagnosing an assembly | |
| CN201569592U (en) | Gas strength detection equipment and gas extracting device | |
| CN102499625A (en) | Infrared remote control vision automatic measuring device and testing device | |
| CN207763929U (en) | High-pressure gas pressure regulator failure detector based on sound emission | |
| CN112098011A (en) | Air tightness detection system and air tightness detection method | |
| CN104105047A (en) | Audio detection apparatus and method | |
| CN210154758U (en) | Air tightness detection system | |
| CN115307840A (en) | Method for detecting air tightness of unit curtain wall plate | |
| MXPA05001802A (en) | Wireless measurement device. | |
| US20200386640A1 (en) | Testing device for detecting the contact pressure of a vehicle side window | |
| US20090007690A1 (en) | Method for Metrologically Determining the End of a Test Interval, and Device for Carrying Out Said Method | |
| CN106018881B (en) | A kind of test method and system of the acceleration transducer based on mobile terminal | |
| KR101799267B1 (en) | Remote monitoring apparatus for testing the accuracy of gas concentration and speed detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201218 |