CN210154758U - Air tightness detection system - Google Patents
Air tightness detection system Download PDFInfo
- Publication number
- CN210154758U CN210154758U CN201920911127.7U CN201920911127U CN210154758U CN 210154758 U CN210154758 U CN 210154758U CN 201920911127 U CN201920911127 U CN 201920911127U CN 210154758 U CN210154758 U CN 210154758U
- Authority
- CN
- China
- Prior art keywords
- buffer tank
- storage buffer
- air
- detection system
- gas storage
- 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.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model 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 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.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to an air tightness detecting system for detecting the gas tightness of the product that awaits measuring.
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.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a gas tightness detection system.
An air tightness detection system is used for detecting the air tightness of a product to be detected and 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.
Further, the gas tightness detecting system further comprises a one-way valve, wherein the one-way valve is 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.
Furthermore, the air tightness detection system also comprises a fixed seat, wherein the fixed seat is used for bearing and positioning the product to be detected; the air storage buffer tank, the inflating motor and the pressure gauge are contained in the fixed seat.
Furthermore, the air tightness detection system further comprises a display screen, the display screen is arranged on the outer side wall of the fixing seat, and 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 air tightness detection system further comprises an analog-to-digital converter, the analog-to-digital converter is arranged between the pressure gauge and the display screen, 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 and displaying the air pressure value on the display screen.
Furthermore, the air tightness detection system also comprises a scanner, wherein the scanner is arranged close to the fixed seat and used for scanning the code of the product to be detected.
Compared with the prior art, the air tightness detection system utilizes manometer real-time supervision atmospheric pressure in the gas storage buffer tank to will in the detection time quantum of predetermineeing real-time atmospheric pressure in the gas storage buffer tank is compared with predetermined atmospheric pressure value and critical atmospheric pressure value, in order to judge the gas tightness testing result of the product that awaits measuring realizes the gas tightness of the product that awaits measuring detects.
Drawings
Fig. 1 is a schematic block diagram of an air-tightness detection system according to an embodiment of the present invention.
Fig. 2 and fig. 3 are schematic diagrams of detection results (real-time air pressure curve comparison diagram) of the air tightness detection system according to the embodiment of the present invention.
Description of the main elements
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection 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 utility model provides an air tightness detection system, which is used for detecting the air tightness of a product to be detected and at least comprises an air storage buffer tank, a valve, an 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.
Some embodiments of the present invention will be 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 present 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 and a pressure gauge 5. 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.
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.
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 detection 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 pressure gauge 5 and used for displaying the real-time air pressure in the air storage buffer tank 3.
The working process of the air tightness detection system 10 is as follows:
setting a preset air pressure value and a set critical air pressure value in the air storage buffer tank 3, wherein the preset air pressure value is greater than the critical air pressure value;
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 the preset pressure value, and then closing the inflating motor 4;
under the state that the valve 2 is opened, the air tightness detection system 10 is kept still within a preset detection time period, the pressure gauge 5 is utilized to monitor the air pressure in the air storage buffer tank 3 within the detection time period in real time, and the real-time air pressure in the air storage buffer tank 3 is displayed on the display screen 7;
comparing the real-time air pressure in the air storage buffer tank 3 with the preset air pressure value and the critical air pressure value in the detection time period, and if the real-time air pressure in the air storage buffer tank 3 is between the preset air pressure value and the critical air pressure value in the preset detection time period, the air tightness of the product 1 to be detected is qualified; otherwise, the product is unqualified;
preferably, the air tightness detecting system 10 further comprises an analog-to-digital converter 8, and the analog-to-digital converter 8 is arranged between the pressure gauge 5 and the display screen 7. 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 a time-discrete air pressure value with a discrete amplitude value during the detection time period, so as to 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 on the display 7, as shown in fig. 2 and 3.
Preferably, the air tightness detecting system 10 further comprises a scanner 9, and the scanner 9 is disposed adjacent to the fixing base and used for scanning the code of the product 1 to be detected so as to facilitate recording.
Compared with the prior art, gas tightness detecting system 10 utilizes 5 real-time supervision of manometer atmospheric pressure in the gas storage buffer tank 3 to will in the detection time quantum of predetermineeing real-time atmospheric pressure in the gas storage buffer tank 3 is compared with predetermined atmospheric pressure value and critical atmospheric pressure value, in order to judge the gas tightness testing result of the product 1 that awaits measuring realizes the gas tightness of the product 1 that awaits measuring detects.
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 (6)
1. An air tightness detection system is used for detecting the air tightness of a product to be detected and is characterized by at least comprising 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.
2. The hermeticity detection system of claim 1, wherein: the air tightness detection system further comprises a one-way valve, wherein the one-way valve is 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 a one-way mode.
3. The hermeticity detection system of claim 1, wherein: the air tightness detection system also comprises a fixed seat, wherein the fixed seat is used for bearing and positioning the product to be detected; the air storage buffer tank, the inflating motor and the pressure gauge are contained in the fixed seat.
4. The hermeticity detection system of claim 3, wherein: the air tightness detection system further comprises a display screen, the display screen is arranged on the outer side wall of the fixing seat and connected with the pressure gauge to display the real-time air pressure in the air storage buffer tank.
5. The hermeticity detection system of claim 4, wherein: the air tightness detection system further comprises an analog-to-digital converter, the analog-to-digital converter is arranged between the pressure gauge and the display screen, 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 and displaying the air pressure value on the display screen.
6. The hermeticity detection system of claim 3, wherein: the air tightness detection system further comprises a scanner, and the scanner is arranged close to the fixed seat and used for scanning the codes of the products to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920911127.7U CN210154758U (en) | 2019-06-17 | 2019-06-17 | Air tightness detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920911127.7U CN210154758U (en) | 2019-06-17 | 2019-06-17 | Air tightness detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210154758U true CN210154758U (en) | 2020-03-17 |
Family
ID=69763205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920911127.7U Active CN210154758U (en) | 2019-06-17 | 2019-06-17 | Air tightness detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210154758U (en) |
-
2019
- 2019-06-17 CN CN201920911127.7U patent/CN210154758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW202100966A (en) | Airtightness detection system and airtightness detection method | |
| CN111699372A (en) | Air tightness detection device, detection system and detection method | |
| CN101210856B (en) | Test system for testing water-proof product and test method | |
| CN207675383U (en) | A kind of air-tightness tester | |
| JP2009121965A (en) | Method for inspecting waterproof performance of waterproof instrument, system, and waterproof instrument | |
| CN107907179A (en) | A kind of arbitrary shaped body volume measuring instrument | |
| CN201569592U (en) | Gas strength detection equipment and gas extracting device | |
| US20140278178A1 (en) | Micro-climate display enclosure | |
| CN210154758U (en) | Air tightness detection system | |
| CN207763929U (en) | High-pressure gas pressure regulator failure detector based on sound emission | |
| CN207675387U (en) | single-station sealing test system | |
| CN106017828A (en) | Airtight type air tightness detection apparatus | |
| CN201141800Y (en) | Air-tightness testing device | |
| CN108534963A (en) | A kind of water proofing property detection method and system | |
| CN112098011A (en) | Air tightness detection system and air tightness detection method | |
| CN115307840A (en) | Method for detecting air tightness of unit curtain wall plate | |
| CN110470709A (en) | A kind of atmospheric monitoring mobile platform | |
| TWM587747U (en) | Airtightness detection system | |
| CN110031158A (en) | A kind of EMU air-tightness quantitative detecting method and system | |
| CN115597795A (en) | Buckle closure type leakage detection device, method and system for inflatable sealed container | |
| CN210922949U (en) | A atmospheric pressure calibration device for door plant baroceptor | |
| CN107525830A (en) | Air quality detector | |
| CN209280027U (en) | Experimental enviroment monitors system outside a kind of automobile station | |
| CN206353075U (en) | A kind of negative pressure air tightness detection apparatus and the detecting system for detecting terminal air-tightness | |
| CN217770365U (en) | Measuring assembly and measuring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |