Device for testing oxidation resistance of copper foil

By designing a testing device that includes a fan, an electric heating rod, a drive motor, and a water pump, the oxidation resistance of copper foil was tested under high temperature and humidity conditions. This solved the problem of inaccurate test results in the existing technology and improved the accuracy and efficiency of the test.

CN223470929UActive Publication Date: 2025-10-24SHENZHEN SANHAO INSTR EQUIP CO LTD
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Patent Information

Application Number
CN202422536573.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-10-24
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

The existing copper foil oxidation resistance test method cannot be performed simultaneously in high temperature and humid environments, resulting in inaccurate test results.

Method used

A testing device was designed, including a test chamber, a fan, an electric heating rod, a drive motor, a water pump, and an atomizing nozzle. The fan blows airflow to heat the copper foil, the drive motor rotates the loading chamber, and the water pump sprays atomized water vapor to create a high-temperature and humid environment. The color change of the copper foil is observed to test its oxidation resistance.

Benefits of technology

It enables the testing of the oxidation resistance of copper foil in a high-temperature and humid environment, and can recover heat, thus improving the accuracy and efficiency of the test.

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Abstract

The utility model discloses a copper foil oxidation resistance testing device, which relates to the technical field of copper foil oxidation resistance testing, and comprises a testing box, the front surface of the testing box is provided with an opening, one side of the opening is hinged with a first box door, a fan is fixedly connected below the left side of the testing box, the air outlet end of the fan is fixedly connected with an air inlet pipe, and the air outlet end of the fan is fixedly connected with a second box door. The air inlet pipe is fixedly inserted into the test box, three electric heating rods which are symmetrical front and back are fixedly inserted below the right side of the test box, the heating ends of the electric heating rods are located in the test box, the heating ends of the electric heating rods are located above the air inlet pipe, and a rotating rod is rotatably inserted into one side of the inner wall, located above the electric heating rods, of the test box through a bearing; the copper foil oxidation resistance testing device has the advantages that the copper foil oxidation resistance testing device can enable copper foil to be subjected to oxidation resistance testing in a high-temperature and humid environment, and heat of high-temperature gas can be recycled in the testing process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to copper foil anti -oxidation test technical field, concretely to a kind of copper foil anti -oxidation testing device. BACKGROUND

[0002] Copper foil is a kind of negative electrolytic material, a thin, continuous metal foil deposited on the base layer of circuit board, copper foil generally needs to be tested for oxidation resistance before use, to avoid security risks in the later use of copper foil.

[0003] The existing copper foil is mostly put into a high-temperature or humid airtight container for oxidation resistance test, then the copper foil is taken out after a period of standing, and the oxidation resistance of the copper foil is obtained by observing the color change on the surface of the copper foil. This test method can only test the oxidation resistance of the copper foil in high temperature or humid environment, and cannot integrate the two together, resulting in inaccurate test results of the oxidation resistance of the copper foil. Therefore, a test device is needed that can test the copper foil in a high-temperature and humid environment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of copper foil anti -oxidation testing device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of copper foil anti -oxidation testing device, including test box, the front of test box is open setting, and the side of opening is hinged with first box door, the lower left side of test box is fixedly connected with fan, the air outlet end of fan is fixedly connected with air inlet pipe, air inlet pipe is fixedly inserted in test box, the lower right side of test box is fixedly inserted with three front and rear symmetrical electric heating rods, the heating end of electric heating rod is located in test box, and the heating end of electric heating rod is located above air inlet pipe, the inner wall side above electric heating rod of test box is rotatably inserted with rotating rod by bearing, the end of rotating rod is fixedly connected with loading box, the front of loading box is open setting, and the side of opening is hinged with second box door, a plurality of evenly distributed through holes are formed on the outer peripheral side wall of loading box and second box door, the middle part of the right side of test box is fixedly inserted with driving motor, the output end of driving motor is fixedly connected on the end of rotating rod, the top of test box is fixedly connected with main water tank, the top surface of test box is fixedly inserted with water inlet pipe, the bottom end of water inlet pipe is fixedly sleeved with hollow plate, a plurality of evenly distributed atomizing nozzles are fixedly inserted in the bottom of hollow plate, the inner wall bottom of main water tank is fixedly connected with water pump, the top end of water inlet pipe is fixedly inserted in main water tank and fixedly sleeved on the water outlet end of water pump, heat recovery structure for recovering heat is arranged on both sides of test box.

[0006] As a further scheme of the utility model: the heat recovery structure includes a vice water tank and an exhaust pipe, the vice water tank is two and is respectively fixed on the both sides top of test box, the exhaust pipe is two and is respectively fixedly inserted on the top surface of vice water tank, the top of exhaust pipe is fixedly inserted in test box, the top of vice water tank is provided with a plurality of evenly distributed exhaust holes.

[0007] As a further scheme of the utility model: the water inlet pipe is provided with a control valve.

[0008] As a further scheme of the utility model: the end of air inlet pipe in test box is sealingly arranged, and a plurality of evenly distributed air diffuser funnels are fixedly inserted on the top surface of air inlet pipe in test box.

[0009] As a further scheme of the utility model: the main water tank and the vice water tank are filled with clean water, and the end of exhaust pipe in the vice water tank is inserted into the clean water.

[0010] As a further scheme of the utility model: the front surface of the first box door is embedded with a transparent glass plate, and a control button is fixedly connected to the front surface of the transparent glass plate above the first box door.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model can test the oxidation resistance of copper foil in a high-temperature and humid environment, and can recover heat from the high-temperature gas during the test. Specifically, open the first box door and the second box door, then put the copper foil to be tested into the loading box, and then close the first box door and the second box door. At this time, open the fan, the electric heating rod, the driving motor and the water pump in sequence. The fan blows the external airflow into the test box through the air inlet pipe, and the air diffuser funnel allows the airflow to flow uniformly from bottom to top. During this process, the airflow causes the heat around the electric heating rod to flow upwards, thereby heating the copper foil in the loading box. The driving motor rotates the rotating rod, thereby rotating the loading box, which allows the copper foil inside the loading box to be evenly heated. The water pump delivers the clean water in the main water tank to the hollow plate through the water inlet pipe, and then the water is sprayed from the atomizing nozzle. During this process, the water sprayed from the atomizing nozzle contacts the upward hot airflow, forming water vapor, thereby making the test box humid. After the above process is performed for a period of time, take out the copper foil in the loading box and observe the color change. During the test, the hot air in the test box enters the vice water tank through the exhaust pipe, and the clean water in the vice water tank absorbs the heat in the hot air, thereby achieving the purpose of heat recovery.

[0013] The other advantages, objects, and features of the present application will be understood in part from the specification and will, in part, be apparent from the description, or can be learned from the practice of the application. The present application will be described with reference to the following written specification in conjunction with the figures described below. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the structure of the present application in the front view.

[0015] Figure 2 It is a schematic view of the structure of the present application in the front view.

[0016] Figure 3 It is a schematic view of the structure of the present application in the front view.

[0017] In the figure: 1, test box; 2, first box door; 3, control button; 4, transparent glass plate; 5, main water tank; 6, water inlet pipe; 7, exhaust pipe; 8, auxiliary water tank; 9, fan; 10, air inlet pipe; 11, loading box; 12, second box door; 13, through hole; 14, driving motor; 15, rotating rod; 16, electric heating rod; 17, exhaust hole; 18, air expansion funnel; 19, hollow plate; 20, atomizing nozzle; 21, control valve; 22, water pump. DETAILED DESCRIPTION

[0018] The specific embodiments of the present application will be further described below with reference to the accompanying drawings, and it should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.

[0019] In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as there is no conflict between them.

[0020] Please refer to the accompanying Figure 1 -attached Figure 3The utility model relates to a kind of copper foil oxidation resistance testing device, including test box 1, the front of test box 1 is open setting, and the side of opening is hinged with first box door 2, the left lower side of test box 1 is fixed with fan 9, the air outlet end of fan 9 is fixed with air inlet pipe 10, air inlet pipe 10 is fixedly inserted in test box 1, the right lower side of test box 1 is fixedly inserted with three front and rear symmetrical electric heating rods 16, the heating end of electric heating rod 16 is located in test box 1, and the heating end of electric heating rod 16 is located above air inlet pipe 10, the inner wall side above electric heating rod 16 of test box 1 is rotatably inserted with rotating rod 15 by bearing, one end of rotating rod 15 is fixedly connected with loading box 11, the front of loading box 11 is open setting, and the side of opening is hinged with second box door 12, a plurality of evenly distributed through holes 13 are formed on the outer peripheral side wall of loading box 11 and second box door 12, driving motor 14 is fixedly inserted in the middle of the right side of test box 1, the output end of driving motor 14 is fixed on one end of rotating rod 15, main water tank 5 is fixed to the top of test box 1, water inlet pipe 6 is fixedly inserted on the top surface of test box 1, hollow plate 19 is fixedly sleeved on the bottom end of water inlet pipe 6, a plurality of evenly distributed atomizing nozzles 20 are fixedly inserted on the bottom of hollow plate 19, water pump 22 is fixedly connected to the bottom of the inner wall of main water tank 5, the top end of water inlet pipe 6 is fixedly inserted in main water tank 5 and fixedly sleeved on the water outlet end of water pump 22, heat recovery structure for recovering heat is arranged on both sides of test box 1.

[0021] In an embodiment of the utility model: heat recovery structure includes vice water tank 8 and exhaust pipe 7, vice water tank 8 has two and is fixedly connected on the top of both sides of test box 1 respectively, exhaust pipe 7 has two and is fixedly inserted on the top surface of vice water tank 8 respectively, the top of exhaust pipe 7 is fixedly inserted in test box 1, a plurality of evenly distributed exhaust holes 17 are formed on the top of vice water tank 8, hot air in test box 1 will enter vice water tank 8 through exhaust pipe 7, and clean water in vice water tank 8 will absorb the heat in hot gas, to achieve the purpose of recovering heat.

[0022] In an embodiment of the utility model: control valve 21 is arranged in water inlet pipe 6, and control valve 21 can control the water flow in water inlet pipe 6, to control the amount of water sprayed at atomizing nozzle 20.

[0023] In an embodiment of the utility model: the end of air inlet pipe 10 in test box 1 is sealingly provided, and a plurality of evenly distributed air-expanding hoppers 18 are fixedly inserted on the top surface of air inlet pipe 10 in test box 1.

[0024] In an embodiment of the utility model: clean water is injected in main water tank 5 and vice water tank 8, the end of exhaust pipe 7 in vice water tank 8 is inserted in clean water, hot gas discharged from exhaust pipe 7 will enter clean water, and clean water will absorb heat, so that clean water can be heated.

[0025] In one embodiment of the utility model, the front surface of the first box door 2 is embedded with a transparent glass plate 4, the front surface of the first box door 2 above the transparent glass plate 4 is fixedly connected with a control button 3, the transparent glass plate 4 can facilitate the staff to intuitively see the test progress in the test box 1, and the control button 3 can facilitate the staff to conveniently control the device.

[0026] Working principle:

[0027] First, open the first box door 2 and the second box door 12, then put the copper foil to be tested into the loading box 11, then close the first box door 2 and the second box door 12, at this time, open the fan 9, the electric heating rod 16, the driving motor 14 and the water pump 22 in turn, the fan 9 will blow the external airflow into the test box 1 through the air inlet pipe 10, and the air diffuser 18 can make the airflow flow uniformly from bottom to top, in this process, the airflow will make the heat around the electric heating rod 16 flow upward, thereby heating the copper foil in the loading box 11; the driving motor 14 can make the rotating rod 15 rotate, thereby making the loading box 11 rotate, the rotation of the loading box 11 can make the copper foil in it heat evenly; the water pump 22 can send the clean water in the main water tank 5 into the hollow plate 19 through the water inlet pipe 6, then the water will be sprayed out from the atomizing nozzle 20, in this process, the water sprayed out from the atomizing nozzle 20 will contact with the upward hot airflow, forming water vapor, thereby making the test box 1 in a humid state, after the above process for a period of time, take out the copper foil in the loading box 11, observe the color change, then the oxidation resistance of the copper foil in the high temperature and humid environment can be known, thus the whole working process is completed.

[0028] The above, front, back, left, right, up and down are based on the drawings of the specification Figure 1 As the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0029] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0030] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned principle of the present application is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0031] The standard parts used therein can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known to the person skilled in the art, the structure and principle thereof are known to the person skilled in the art through technical manual or through conventional experimental method.

[0032] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the described embodiments.

[0033] For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A device for testing the oxidation resistance of a copper foil comprising a test chamber (1), characterized in that: The front of the test box (1) is provided with an opening, and one side of the opening is hinged with a first box door (2), a fan (9) is fixedly connected below the left side of the test box (1), the air outlet end of the fan (9) is fixedly connected with an air inlet pipe (10), the air inlet pipe (10) is fixedly inserted in the test box (1), three front and rear symmetrical electric heating rods (16) are fixedly inserted below the right side of the test box (1), the heating end of the electric heating rod (16) is located in the test box (1), and the heating end of the electric heating rod (16) is located above the air inlet pipe (10), a rotating rod (15) is rotatably inserted in the inner wall of the test box (1) above the electric heating rod (16) through a bearing, one end of the rotating rod (15) is fixedly connected with a loading box (11), the front of the loading box (11) is provided with an opening, and one side of the opening is hinged with a second box door (12), a plurality of uniformly distributed through holes (13) are formed in the outer peripheral side wall of the loading box (11) and the second box door (12), a driving motor (14) is fixedly inserted in the middle of the right side of the test box (1), the output end of the driving motor (14) is fixedly connected with one end of the rotating rod (15), a main water tank (5) is fixedly connected to the top of the test box (1), a water inlet pipe (6) is fixedly inserted into the test box (1), and the bottom end of the water inlet pipe (6) is fixedly sleeved with a hollow plate (19), a plurality of uniformly distributed atomizing nozzles (20) are fixedly inserted into the bottom of the hollow plate (19), a water pump (22) is fixedly connected to the inner wall of the bottom of the main water tank (5), the top end of the water inlet pipe (6) is fixedly inserted into the main water tank (5) and fixedly sleeved with the water outlet end of the water pump (22), and heat recovery structures for recovering heat are arranged on both sides of the test box (1).

2. The device for testing the oxidation resistance of a copper foil according to claim 1, wherein: The heat recovery structure comprises a secondary water tank (8) and an exhaust pipe (7), the secondary water tank (8) is provided with two and is fixedly connected to the top of the two sides of the test box (1), the exhaust pipe (7) is provided with two and is fixedly inserted into the top surface of the secondary water tank (8), the top of the exhaust pipe (7) is fixedly inserted into the test box (1), and a plurality of uniformly distributed exhaust holes (17) are formed in the top of the secondary water tank (8).

3. The device for testing the oxidation resistance of a copper foil according to claim 1, wherein: The control valve (21) is arranged in the water inlet pipe (6).

4. The device for testing the oxidation resistance of a copper foil according to claim 1, wherein: The end of the air inlet pipe (10) in the test box (1) is sealed, and a plurality of uniformly distributed air diffusers (18) are fixedly inserted into the top surface of the air inlet pipe (10) in the test box (1).

5. The device for testing the oxidation resistance of a copper foil according to claim 2, characterized by: The main water tank (5) and the secondary water tank (8) are filled with clean water, and the end of the exhaust pipe (7) in the secondary water tank (8) is inserted into the clean water.

6. The device for testing the oxidation resistance of a copper foil according to claim 1, wherein: The front of the first box door (2) is embedded with a transparent glass plate (4), and a control button (3) is fixedly connected to the front of the first box door (2) above the transparent glass plate (4).