Device for detecting oxygen uptake capacity of deoxidizer
By designing an automated deoxidizer detection device, the problems of complicated detection steps, long time and large errors in the existing technology are solved, and efficient and accurate oxygen absorption capacity detection is achieved.
Patent Information
- Application Number
- CN202510805858.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-17
- Publication Date
- 2025-09-23
AI Technical Summary
Existing methods for testing the oxygen absorption capacity of deoxidizers are cumbersome, time-consuming, inefficient, and prone to human errors, resulting in inaccurate test results.
A detection device including a pure water storage tank, a glass measuring cylinder, a float and a solenoid valve was designed. Automatic ventilation, recording and judgment were achieved through an automatic control device, simplifying the detection process.
The automated detection of the oxygen absorption capacity of the deoxidizer is realized, which improves the detection efficiency, reduces the labor input, reduces the cost and improves the accuracy of the detection results.
Smart Images
Figure CN120685498A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of oxygen absorption capacity detection of deoxidizers, in particular to a device for detecting the oxygen absorption capacity of deoxidizers. Background Art
[0002] To meet consumer demand, food manufacturers often package their products with deoxidizers. The primary benefit of adding deoxidizers is extending shelf life. By absorbing oxygen within the packaging, deoxidizers create an oxygen-free or low-oxygen environment within the container, effectively slowing the oxidation process. They also maintain quality and freshness, preventing discoloration, deterioration, and oil rancidity caused by oxidation, preserving the food's original color, aroma, flavor, and nutritional content. Furthermore, deoxidizers can inhibit the growth of mold and bacteria. By reducing the oxygen concentration within the packaging, deoxidizers significantly inhibit the growth and reproduction of these microorganisms, thereby reducing the risk of mold and spoilage. In summary, deoxidizers offer significant advantages in extending shelf life, maintaining quality and freshness, inhibiting mold and bacterial growth, improving safety and environmental friendliness, and reducing packaging costs.
[0003] Currently, there are numerous oxygen scavenger manufacturers, and product quality varies widely. Good oxygen absorption capacity is a fundamental requirement for oxygen scavengers. Therefore, when purchasing oxygen scavengers, companies test the oxygen absorption capacity of different batches. The current testing method is as follows: a 1-liter beaker is filled with 50% tap water. The oxygen scavenger is fixed to the bottom of a 1-liter glass graduated cylinder. This cylinder is then inverted into the beaker filled with water and placed at 25°C for 24 hours. The rise in the water level is observed and recorded. The cylinder is then removed (with the oxygen scavenger not moved), aired in, and then inverted into the beaker again. After 24 hours, the rise in the water level is observed and recorded. This is repeated for a total of 72 hours. A product is considered qualified if the total water level rise from these three times exceeds 260 ml. However, manual testing of the oxygen absorption capacity of a product requires repeated removal and reinsertion of the graduated cylinder, which is cumbersome, time-consuming, inefficient, and labor-intensive. It is also prone to significant human error, which can jeopardize the results. Summary of the Invention
[0004] In order to overcome the defects of the prior art such as complicated detection steps, long time, low efficiency, waste of manpower and large errors, the present invention provides a device for detecting the oxygen absorption capacity of a deoxidizer.
[0005] The technical solution adopted by the present invention to solve its technical problems is: a device for detecting the oxygen absorption capacity of a deoxidizer, comprising a pure water storage tank and a glass measuring cylinder, a baffle plate for supporting the glass measuring cylinder being provided at the middle and upper part of the inner wall of the pure water storage tank, a vent pipe being installed on the pure water storage tank, a measuring cylinder air inlet pipe being provided at one end of the vent pipe, a solenoid valve being provided at the other end of the vent pipe, a float being provided on the measuring cylinder air inlet pipe that can float up and down with the water level of the pure water, a storage rack for fixing the deoxidizer being provided at the top of the inner wall of the glass measuring cylinder, and the float and the solenoid valve being electrically connected to a control device.
[0006] As a further improvement of the present invention, the air inlet pipe of the measuring cylinder is composed of a plurality of branch pipes connected in sequence.
[0007] As a further improvement of the present invention, a sliding tube is sleeved on the air inlet pipe of the measuring cylinder, and the float is installed on the sliding tube.
[0008] As a further improvement of the present invention, a footrest is provided at the bottom of the pure water storage tank.
[0009] As a further improvement of the present invention, the foot seat includes a fixing stud and a support plate, and the support plate is threadedly connected to the bottom of the fixing stud.
[0010] As a further improvement of the present invention, a trumpet tube is provided at the air inlet end of the solenoid valve.
[0011] A method for detecting a device for detecting the oxygen absorption capacity of a deoxidizer, comprising the following steps: Step 1: Place the deoxidizer to be tested on the storage rack, and the control device closes the solenoid valve; Step 2: As the deoxidizer deoxidizes, the water level in the glass measuring cylinder rises, and the float moves up and down along the air inlet pipe of the measuring cylinder as the water level rises. When the float does not rise for a long time, the float records the rising distance; Step 3: The floater feeds back the signal to the control device and records the data; Step 4: The control device opens the solenoid valve, and fresh air enters the glass measuring cylinder through the vent pipe and the cylinder air inlet pipe; Step 5: When the water levels in the pure water storage tank and the glass measuring cylinder return to their initial starting points, the control device closes the solenoid valve; the deoxidizer deoxidizes again, and the water level rises; Step 6: When the float does not rise for a long time, the float records the rising distance again, and the float feeds back the signal to the control device and records the data. Repeat this step three times; Step 7: The control device calculates and sums the three data and compares it with the oxygen absorption capacity data of the deoxidizer in the database to judge whether the deoxidizer meets the requirements.
[0012] As a further improvement of the present invention, the standard time for the float to remain motionless for a long time is one minute.
[0013] It can be seen from the above technical solutions that the beneficial effects of the present invention are: the device realizes the whole process simulation of manual operation, automatic ventilation, automatic recording and automatic judgment, realizes the automation of the oxygen absorption capacity detection of the deoxidizer, improves the detection efficiency, reduces the labor input, and achieves cost reduction and efficiency improvement. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0015] Figure 1 The figure is a schematic structural diagram of a device for detecting the oxygen absorption capacity of a deoxidizer according to the present invention.
[0016] In the figure: 1. Pure water storage tank; 2. Glass measuring cylinder; 3. Baffle plate; 4. Vent pipe; 5. Inlet pipe of measuring cylinder; 6. Solenoid valve; 7. Float; 8. Slide tube; 9. Storage rack; 10. Foot; 11. Fixing stud; 12. Support plate; 13. Control device; 14. Speaker tube. DETAILED DESCRIPTION
[0017] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this patent.
[0018] Reference Figure 1 The embodiment of the present invention discloses a device for detecting the oxygen absorption capacity of a deoxidizer, comprising a pure water storage tank 1 and a glass measuring cylinder 2. A baffle plate 3 for supporting the glass measuring cylinder 2 is provided at the middle and upper part of the inner wall of the pure water storage tank 1. A vent pipe 4 is installed on the pure water storage tank 1. A measuring cylinder air inlet pipe 5 is provided at one end of the vent pipe 4. A solenoid valve 6 is provided at the other end of the vent pipe 4. A trumpet 14 is provided at the air inlet end of the solenoid valve 6 to facilitate air intake. A float 7 that can float up and down with the water level of the pure water is provided on the measuring cylinder air inlet pipe 5. A storage rack 9 for fixing the deoxidizer is provided at the top of the inner wall of the glass measuring cylinder 2. The float 7 and the solenoid valve 6 are electrically connected to a control device 13.
[0019] Among them, the measuring cylinder air inlet pipe 5 is composed of several branch pipes connected in sequence, which is convenient for assembling the corresponding measuring cylinder air inlet pipe 5 according to the size of the glass measuring cylinder 2. A sliding tube 8 is sleeved on the measuring cylinder air inlet pipe 5, and the float 7 is installed on the sliding tube 8. The sliding tube 8 can slide smoothly on the measuring cylinder air inlet pipe 5, so that the float 7 can rise and fall under the action of buoyancy.
[0020] First, the staff puts the deoxidizer to be tested into the storage rack 9, and the control device 13 closes the solenoid valve 6. As the oxygen in the glass measuring cylinder 2 decreases, the water level in the glass measuring cylinder 2 rises, and the float 7 also rises with the water level. When the float 7 does not rise for a long time, the standard immobility time is one minute, the float 7 records the rising distance, and the float 7 feeds back the signal to the control device 13 and records the data. Then the control device 13 opens the solenoid valve 6, and fresh air enters the glass measuring cylinder 2 through the ventilation pipe 4 and the measuring cylinder air inlet pipe 5. When the water levels of the pure water storage tank 1 and the glass measuring cylinder 2 return to the initial starting point, the control device 13 closes the solenoid valve 6. As the oxygen in the glass measuring cylinder 2 decreases, the water level in the glass measuring cylinder 2 rises, and the float 7 records again. This step is repeated three times. The control device 13 calculates and sums the three data and compares them with the data of the oxygen absorption capacity of the deoxidizer in the database to judge whether the deoxidizer meets the requirements.
[0021] The control device 13 is provided with conventional program settings. Those skilled in the art can design it based on their understanding of the principles of this structure, so a detailed description is omitted. This device can simulate manual operation throughout the entire process, including automatic ventilation, automatic recording, and automatic comparison and determination, to detect the oxygen absorption capacity of the deoxidizer, thereby improving detection efficiency, reducing labor input, and achieving cost reduction and efficiency improvement.
[0022] A foot base 10 is provided at the bottom of the pure water storage tank 1. The foot base 10 includes a fixing stud 11 and a support plate 12. The support plate 12 is threadedly connected to the bottom of the fixing stud 11. The foot base 10 is used to adjust the horizontal position of the pure water storage tank 1 to ensure the accuracy of the test results.
[0023] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for detecting the oxygen absorption capacity of a deoxidizer, characterized in that: The invention comprises a pure water storage tank (1) and a glass measuring cylinder (2), wherein a baffle plate (3) for supporting the glass measuring cylinder (2) is provided at the middle upper part of the inner wall of the pure water storage tank (1), a vent pipe (4) is installed on the pure water storage tank (1), a measuring cylinder air inlet pipe (5) is provided at one end of the vent pipe (4), a solenoid valve (6) is provided at the other end of the vent pipe (4), a float (7) capable of floating up and down with the water level of the pure water is provided on the measuring cylinder air inlet pipe (5), a storage rack (9) for fixing a deoxidizer is provided at the top of the inner wall of the glass measuring cylinder (2), and the float (7) and the solenoid valve (6) are electrically connected to a control device (13).
2. A device for detecting the oxygen absorption capacity of a deoxidizer according to claim 1, characterized in that: The graduated cylinder air inlet pipe (5) is composed of a plurality of branch pipes connected in sequence.
3. The device for detecting the oxygen absorption capacity of a deoxidizer according to claim 2, wherein: A slide tube (8) is sleeved on the graduated cylinder air inlet pipe (5), and the float (7) is mounted on the slide tube (8).
4. The device for detecting the oxygen absorption capacity of a deoxidizer according to claim 3, wherein: A footrest (10) is provided at the bottom of the pure water storage tank (1).
5. The device for detecting the oxygen absorption capacity of a deoxidizer according to claim 4, characterized in that: The foot seat (10) comprises a fixing stud (11) and a support plate (12), wherein the support plate (12) is threadedly connected to the bottom of the fixing stud (11).
6. The device for detecting the oxygen absorption capacity of a deoxidizer according to claim 5, characterized in that: A trumpet tube (14) is provided at the air inlet end of the solenoid valve (6).
7. A method for detecting the oxygen absorption capacity of a deoxidizer according to any one of claims 1 to 6, characterized in that: The following steps are included: Step 1: Place the deoxidizer to be tested on the storage rack (9), and the control device (13) closes the solenoid valve (6); Step 2: As the deoxidizer deoxidizes, the water level in the glass measuring cylinder rises, and the float (7) rises and falls along the measuring cylinder air inlet pipe (5) as the water level rises. When the float 7 does not rise for a long time, the float 7 records the rising distance; Step 3: The float 7 feeds back the signal to the control device 13 and records the data; Step 4: The control device 13 opens the solenoid valve 6, and fresh air enters the glass measuring cylinder 2 through the ventilation pipe 4 and the measuring cylinder air inlet pipe 5; Step 5: When the water levels in the pure water storage tank 1 and the glass measuring cylinder 2 return to their initial starting points, the control device 13 closes the solenoid valve 6; the deoxidizer deoxidizes again, and the water level rises; Step 6: When the float 7 does not rise for a long time, the float 7 records the rising distance again, and the float 7 feeds back the signal to the control device 13 and records the data. This step is repeated three times; Step 7: The control device 13 calculates and sums the three data, and compares it with the oxygen absorption capacity data of the deoxidizer in the database to judge whether the deoxidizer meets the requirements.
8. A method for detecting the oxygen absorption capacity of a deoxidizer according to claim 7, characterized in that: The standard time that the float 7 does not move for a long time is one minute.