CN213902789U - Vacuum leak detection system in packaging container - Google Patents
Vacuum leak detection system in packaging container Download PDFInfo
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- CN213902789U CN213902789U CN202023013624.7U CN202023013624U CN213902789U CN 213902789 U CN213902789 U CN 213902789U CN 202023013624 U CN202023013624 U CN 202023013624U CN 213902789 U CN213902789 U CN 213902789U
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Abstract
The utility model discloses a vacuum leak detection system in a packaging container, which comprises a vacuum pump, a vacuum constant pressure tank, a plurality of check tanks, check chambers and a calculation center, wherein the check chambers and the calculation center are the same in number as the check tanks, a vacuum electromagnetic baffle valve A is connected between the vacuum pump and the vacuum constant pressure tank, a vacuum electromagnetic baffle valve B is connected between each check tank and the vacuum constant pressure tank, one check tank corresponds to one check chamber, a vacuum electromagnetic baffle valve C is connected between the check tank and the check chamber, and a vacuum absolute pressure transmitter for detecting the vacuum absolute pressure when the check tank is communicated with the vacuum constant pressure tank and the vacuum absolute pressure when the check tank is communicated with the check chamber is arranged on each check tank. Has good economic benefit and practical significance.
Description
Technical Field
The utility model relates to a vacuum leak hunting technical field specifically is a vacuum leak hunting system among packaging container.
Background
In the food and pharmaceutical industry, plastic product packaging containers are widely used at present, and in order to protect and prevent counterfeiting of food and medicines, aluminum foil sealing is generally adopted in container covers. The aluminum foil is sealed on the mouth of a packaging container through electromagnetic heating, how to detect the quality of the aluminum foil seal is always a difficult problem in the food and pharmaceutical industry, the conventional method is to invert the packaged finished product for a certain time, then manually loosen the container cover to observe whether materials leak, and the method has the advantages of large workload, low efficiency and high labor intensity.
Adopt vacuum leak hunting, there are many units to try in this respect, but not yet applied to the industrial production equipment market, the leading cause is that the detection vacuum pressure threshold value actual detection value of judging whether seepage differs very little, and vacuum pressure balance time is long, and the industrial production of not adapting to, consequently, the utility model provides a vacuum leak hunting system solves above-mentioned problem among the packaging container.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims to provide a vacuum leak detection system among packaging container to solve above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a vacuum leak detection system among packaging container, including the vacuum pump, vacuum constant voltage jar, a plurality of check-up jar, check-up room and calculation center the same with check-up jar quantity, be connected with vacuum electromagnetic baffle valve A between vacuum pump and the vacuum constant voltage jar, all be connected with vacuum electromagnetic baffle valve B between every check-up jar and the vacuum constant voltage jar, a check-up jar corresponds a check-up room, all be connected with vacuum electromagnetic baffle valve C between check-up jar and the check-up room, all install the vacuum that is used for detecting when check-up jar communicates with vacuum constant voltage jar and the vacuum that the pressure transmitter absolutely presses when communicating with the check-up room in the vacuum on every check-up jar.
In one alternative: and the vacuum constant pressure tank is provided with a resistance gauge for detecting the vacuum state of the vacuum constant pressure tank and a vacuum fine adjustment valve for adjusting the vacuum degree of the vacuum constant pressure tank.
In one alternative: the ultimate vacuum absolute pressure of the vacuum pump is less than 10Pa, and the ultimate stable vacuum absolute pressure of the vacuum constant-pressure tank is not more than 500 Pa.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
1. the system has the advantages of reasonable structural layout, simple operation and reliable operation, can quickly and efficiently detect the packaging container to judge whether the packaging container has leakage or not, ensures the product quality, has high detection speed and high accuracy, and has good economic benefit and practical significance.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Notations for reference numerals: the system comprises a vacuum pump 1, a vacuum electromagnetic baffle valve 2, a vacuum constant pressure tank 3, a resistance gauge 4, a vacuum fine adjustment valve 5, a vacuum electromagnetic baffle valve 6, a vacuum electromagnetic baffle valve 7, a calibration tank 7, a vacuum absolute pressure transmitter 8, a vacuum electromagnetic baffle valve C9, a calibration chamber 10, a packaging container 11 and a computing center 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Please refer to fig. 1, in an embodiment of the present invention, a vacuum leak detection system in packaging container, including vacuum pump 1, vacuum constant pressure tank 3, a plurality of check tanks 7, check chamber 10 and calculation center 12 the same with check tank 7 quantity, be connected with vacuum electromagnetic flapper valve a2 between vacuum pump 1 and the vacuum constant pressure tank 3, be equipped with on the vacuum constant pressure tank 3 and be used for detecting the resistance gauge 4 of 3 vacuum states of vacuum constant pressure tank and be used for adjusting the vacuum micromatic valve 5 of 3 vacuums of vacuum constant pressure tank, the ultimate vacuum absolute pressure of vacuum pump 1 is less than 10Pa, the ultimate stable vacuum absolute pressure of vacuum constant pressure tank 3 is not more than 500Pa, all be connected with vacuum electromagnetic flapper valve B6 between every check tank 7 and the vacuum constant pressure tank 3, a check tank 7 corresponds a check chamber 10, all be connected with vacuum electromagnetic flapper valve C9 between check tank 7 and the check chamber 10, all install on every check tank 7 be used for detecting when check tank 7 communicates with vacuum tank 3 vacuum absolute pressure and vacuum constant pressure and with vacuum tank 3 and examine And the laboratory 10 is communicated with the vacuum absolute pressure transmitter 8, and the computing center 12 is used for processing various data transmitted by the system and performing comparison and judgment.
The utility model discloses a theory of operation is: when the utility model is used, the volume V1 of the check tank 3 is input into the calculation center 12, the volume V2 of the inspection chamber 10, the volume V3 of the packaging container, the effective filling volume V4, the detection period T, determine the vacuum absolute pressure P (constant) of the vacuum constant pressure tank 3 and the judgment threshold value P (valve), then start the vacuum pump 1, open the vacuum electromagnetic baffle valve A2 to extract the vacuum constant pressure tank 3 into a vacuum state and detect and ensure through the resistance gauge 4, then adjust the vacuum absolute value of the vacuum constant pressure tank 3 to P (constant) through the vacuum fine adjustment valve 5, then open the vacuum electromagnetic baffle valve B6, close the vacuum electromagnetic baffle valve C9, the check tank 7 is communicated with the vacuum constant pressure tank 3 to form the vacuum absolute pressure P1, the vacuum absolute pressure transmitter 8 transmits the detected P1 to the calculation center, then the packaging containers 11 to be detected are respectively arranged on the stations in the check chamber 10 in a one-to-one sealed cabin, at the moment, the pressure of the closed cabin is atmospheric pressure, then the vacuum electromagnetic baffle valve B6 is closed, the vacuum electromagnetic baffle valve C9 is opened, the inspection chamber 10 is communicated with the check tank 7 to form P (inspection) and is transmitted to the calculation center 12 through the vacuum absolute pressure transmitter 8, the calculation center 12 calculates vacuum absolute pressure values P1 and P (inspection) detected twice and compares the vacuum absolute pressure values with a set judgment threshold value P (valve) to judge whether the packaging container 11 leaks, when the P (valve) is greater than the P (inspection), the packaging container 11 does not leak, the product quality is qualified, otherwise, the vacuum electromagnetic baffle valve A2 is unqualified, and the vacuum pump 1 is operated all the time in the detection process.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A vacuum leakage detection system in a packaging container comprises a vacuum pump (1), a vacuum constant pressure tank (3), a plurality of check tanks (7), check chambers (10) with the same number as the check tanks (7) and a calculation center (12), the vacuum absolute pressure transmitter is characterized in that a vacuum electromagnetic baffle valve A (2) is connected between the vacuum pump (1) and the vacuum constant pressure tank (3), a vacuum electromagnetic baffle valve B (6) is connected between each check tank (7) and the vacuum constant pressure tank (3), one check tank (7) corresponds to one check chamber (10), a vacuum electromagnetic baffle valve C (9) is connected between each check tank (7) and the check chamber (10), and a vacuum absolute pressure transmitter (8) for detecting vacuum absolute pressure when the check tanks (7) are communicated with the vacuum constant pressure tank (3) and vacuum absolute pressure when the check tanks (7) are communicated with the check chamber (10) is installed on each check tank (7).
2. Vacuum leak detection system in a packaging container according to claim 1, wherein the vacuum constant pressure tank (3) is provided with a resistance gauge (4) for detecting a vacuum state of the vacuum constant pressure tank (3) and a vacuum trim valve (5) for adjusting a vacuum degree of the vacuum constant pressure tank (3).
3. Vacuum leak detection system in a packaging container according to claim 1 or 2, characterized in that the ultimate vacuum absolute pressure of the vacuum pump (1) is less than 10Pa and the ultimate stable vacuum absolute pressure of the vacuum constant-pressure tank (3) is not more than 500 Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023013624.7U CN213902789U (en) | 2020-12-15 | 2020-12-15 | Vacuum leak detection system in packaging container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023013624.7U CN213902789U (en) | 2020-12-15 | 2020-12-15 | Vacuum leak detection system in packaging container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213902789U true CN213902789U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023013624.7U Active CN213902789U (en) | 2020-12-15 | 2020-12-15 | Vacuum leak detection system in packaging container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213902789U (en) |
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2020
- 2020-12-15 CN CN202023013624.7U patent/CN213902789U/en active Active
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