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Passivation treatment method for wireless power supply coupling coil

A coupling coil and passivation treatment technology, which is applied in coil manufacturing, circuits, inductors, etc., can solve problems such as interference current direction, flow not according to the design circuit, insufficient coil passivation treatment, etc., to achieve reasonable parameter setting, anti-corrosion strong effect

Inactive Publication Date: 2018-07-03
QINGDAO XIANGZHI ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main technical solutions that can be adopted for wireless power supply include electromagnetic coupling, photoelectric coupling, electromagnetic resonance and other methods, which are the basis for the technical conception of realizing unlimited power supply in the future. Now, due to the limitations of technological development, there are still problems such as power supply distance and power supply efficiency.
[0003] Now there are many small electrical appliances trying to use wireless power supply technology, which has a very broad development prospect. Now almost all wireless power supply technology solutions have coupling coils, which are one of the very important components in the current wireless power supply technology. However, in the actual use of the coupling coil, there are often problems that the external current is disturbed or the current flow does not flow according to the design circuit, which is basically the problem of insufficient passivation treatment of the coil itself.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0013] A passivation treatment method for a wireless power supply coupling coil, the specific steps are:

[0014] (1) Surface pretreatment: The bent coupling coil is evenly polished with 1000# dust-free sandpaper for 5 minutes, then rinsed with clean water for 3 minutes, and then placed in 60% hydrochloric acid and 10% 12 Sodium alkylbenzene sulfonate, 10% hexamethylenetetramine, 6% citric acid, 6% triethanolamine, 5% urea, 3% sodium chloride and mixed uniformly to make a rust remover solution After soaking for 10 minutes, brush again with a brush for 5 minutes, rinse with clean water for 3 minutes, put it in a drying equipment and dry at 80°C for 10 minutes;

[0015] (2) Paint film: Put the coupled coil processed in step (1) into the electrophoresis tank for 45 seconds, set the electrophoresis current to 45A, and the voltage to 45V. After the electrophoresis is completed, rinse with water for 1 minute, then put it in Dry in a vacuum oven for 20 minutes, and the drying temperature...

specific Embodiment 2

[0018] A passivation treatment method for a wireless power supply coupling coil, the specific steps are:

[0019] (1) Surface pretreatment: The bent coupling coil is evenly polished with 1000# dust-free sandpaper for 8 minutes, then rinsed with clean water for 5 minutes, and then placed in a mixture of 60% hydrochloric acid and 10% 12 Sodium alkylbenzene sulfonate, 10% hexamethylenetetramine, 6% citric acid, 6% triethanolamine, 5% urea, 3% sodium chloride and mixed uniformly to make a rust remover solution After soaking for 12 minutes, scrub again with a brush for 7 minutes, rinse with clean water for 5 minutes, put it in a drying equipment and dry at 100°C for 15 minutes;

[0020] (2) Paint film: Put the coupled coil processed in step (1) into the electrophoresis tank for 60 seconds, set the electrophoresis current to 55A, and the voltage to 55V. After the electrophoresis is completed, rinse with water for 3 minutes, then put it in Dry in a vacuum oven for 25 minutes, and the dry...

specific Embodiment 3

[0023] A passivation treatment method for a wireless power supply coupling coil, the specific steps are:

[0024] (1) Surface pretreatment: The bent coupling coil is evenly polished with 1000# dust-free sandpaper for 7 minutes, and then rinsed with clean water for 4 minutes, and then placed in 60% hydrochloric acid and 10% 12 Sodium alkylbenzene sulfonate, 10% hexamethylenetetramine, 6% citric acid, 6% triethanolamine, 5% urea, 3% sodium chloride mixed uniformly to make a rust remover solution After soaking for 11 minutes, scrub again with a brush for 6 minutes, rinse with water for 4 minutes, put it in a drying equipment and dry at 90°C for 13 minutes;

[0025] (2) Paint film: Put the coupled coil processed in step (1) into the electrophoresis tank for 55 seconds, set the electrophoresis current to 50A, and the voltage to 50V. After the electrophoresis is completed, rinse with water for 2 minutes, then put it in Dry in a vacuum oven for 23 minutes, and the drying temperature is s...

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Abstract

The invention discloses a passivation treatment method for a wireless power supply coupling coil. The passivation treatment method comprises the following concrete steps: (1) carrying out surface pretreatment, namely uniformly polishing a bent coupling coil with dust-free abrasive paper, then washing with clean water, placing into rust remover solution to be soaked, brushing and washing with a hairbrush, washing with the clean water, and then placing into drying equipment to be dried; (2) covering with a paint film, namely carrying out electrophoresis on the coupling coil treated in the step (1), after the electrophoresis, washing with the clean water, and placing into a vacuum drying oven to be dried; (3) passivating coating, namely uniformly spraying and covering with thermoplastic polyamide powder coating on the coupling coil treated in the step (2); and (4) tightening the film, namely placing the coupling coil which is sprayed and covered in the step (3) into a vacuum baking oven to be baked, and rapidly blowing cold with nitrogen flow after baking. The passivation treatment method disclosed by the invention has the beneficial effects that treatment technical steps are systematic, parameter setting is reasonable, the surface of the coupling coil can be completely passivated, the internal current of the coil flows according to a designed path and resistance to interference such as external current is relatively strong.

Description

Technical field [0001] The invention relates to the technical field of manufacturing wireless power supply accessories, in particular to a passivation treatment method for a wireless power supply coupling coil. Background technique [0002] Wireless power supply technology uses non-radiative wireless energy transmission to drive electrical appliances. The main technical solutions that can be adopted for wireless power supply are electromagnetic coupling, photoelectric coupling, electromagnetic resonance and other methods, which are the basis for the technical conception of realizing unlimited power supply in the future. Currently, due to the limitations of technological development, there are still problems such as power supply distance and power supply efficiency. [0003] Nowadays, many small electrical appliances are trying to use wireless power supply technology, which has very broad development prospects. Nowadays, there are almost all coupling coils in wireless power supply t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/04H01F38/14H02J50/10C23G1/02C25D13/20C25D13/12
CPCH01F41/04C23G1/02C25D13/12C25D13/20H01F38/14H02J5/005
Inventor 不公告发明人
Owner QINGDAO XIANGZHI ELECTRONICS TECH CO LTD
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