In today's society of aging, the demand for age-old electric welfare vehicles and healthcare-related service products will rise rapidly, which drives the long life cycle and parts demand for electric welfare vehicles. In response to these trends, Tokyo Cosmos Electric (TOCOS) will mass-produce the long-life, waterproof RVQ28YS series potentiometers in June this year. The advantage of the RVQ28YS series potentiometer is that it has built-in automatic reset springs to improve stability during assembly and setup, reducing the number of components required (can be reduced from 5 components to 3 components) while further reducing Cost and working time.
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Hiroharu Murakami, general manager of engineering at TOCOS, said that TOCOS has been manufacturing and supplying RVQ24YN03 series potentiometers for fifteen years. These potentiometers are widely used in mobile front and rear mobile control units. The RVQ24YN03 was introduced to replace the original RVQ24 series and has been designed for electrical equipment applications from the beginning, and can be modified for the electric scooter design.
First, the company modified the resistive unit of the core part of the variable resistor. Taking into account the characteristics of the product's longer life and sliding plate contact pressure, as well as the requirements of the customer, the installation method of the components has been improved, and the vibration of the joystick has been improved. In general, limiting the joystick vibration may result in contact pressure changes such as resistive elements and sliding plates. The company considers the problem of different materials and optimizes the design of the components.
Another problem is the waterproof nature. In general, the control unit surface of the electric scooter has a protective layer and does not require special waterproofing requirements. However, as the electric wheelchair assembly is further simplified and the trend is strengthened, components that can be seen externally may be contaminated by rainwater and the like, and it is also necessary to increase the waterproof function. Adding water resistance is not difficult to implement, but requires additional components and special techniques.
The electric walker's front and rear movement control unit also needs other components, such as a return spring connected to the centering point, a guide disc for fixing the spring, and a mounting plate mounted to the electric scooter. In order to ensure high customer satisfaction, these structures are based on TOCOS' own products.
In addition to potentiometer products, TOCOS has many sensor technologies for the automotive sector. In theory, these technologies are developable architectures. A single electric scooter application is not enough to support the corresponding investment and cost, and such technology can be applied to golf carts and game consoles.
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