Alps launches "EC50A Series" hollow encoder

    21ic News The Alps developed the "EC50A Series" hollow encoder for the operating department of air conditioners, stereos and general appliances in the car, and began selling samples from June this year.

    This article refers to the address: http://

    In the past, the air conditioning and sound equipment in the car used a knob type control device in the operation unit. Today, although in-vehicle equipment can be operated via a touch screen, there are still many types of knobs that use a knob-type device that produces an intuitive operation. Moreover, in recent years, in order to be independently controllable in the main seat and the passenger seat, some advanced models in the European market are equipped with control devices on the left and right sides. And this demand is constantly expanding.

    In such an operating device, it is often necessary to mount an operation switch or a small liquid crystal display or the like in the central portion of the button. To meet these design freedom requirements, it is necessary to expand the inner diameter (hollow portion) of the encoder. On the other hand, the installation space around the control panel is limited due to the enlargement of the navigation system, etc., and therefore it is required to ensure the maximum inner diameter without increasing the outer dimensions of the encoder.

    In order to meet these demands, Alps has developed the 50-type hollow shaft type encoder - "EC50A Series" for the first time in the same industry. Compared with the current EC40A (outer dimensions: W 40.4 mm x D 44.2 mm x H 22 mm, hollow inner diameter φ25 mm), the hollow part is realized under the premise that the projected area of ​​the product is only expanded by 1.4 times. The area is approximately twice the large inner diameter of 37 mm. Switches and LEDs, small liquid crystal displays can also be placed in the central part of the large inner diameter. By adding this series of products to existing products, it helps to improve the design freedom of customers and the designability of in-vehicle equipment.

    Moreover, in order to reduce the looseness of the customer when installing the knob, this product adds a guide grain to the inner diameter portion. In addition, the use of the unique design technology and precision machining technology of the Alps has achieved a good operating feel.

    Can be installed with a variety of display devices such as small LCD screens.jpg

    [Main Features]

    ● For the first time in the same industry, a 37 mm large inner diameter hollow shaft encoder was developed on the basis of the 50 series.

    1 The first type of 50 developed in the same industry helps to improve the freedom of design of the whole machine.

    Large internal diameter of 237 mm makes free functional and visual design possible

    3 achieves a good sense of rotation and a soft sense of positioning

    4 increase the guiding grain on the inner diameter, reducing the looseness of the operating shaft

    【The main purpose】

    ・The temperature and air volume adjustment control of the air conditioner in the car

    ・ Various controls such as car audio

    ・Control of general household appliances such as microwave ovens and washing machines

    【Sales Plan】

    Sample start period: from June 2013

    Sample price: 800 yen

    Monthly production: 150,000 pieces (planned in September 2013)

    Development Department: Furukawa Plant, Technical Headquarters (Fukugawa, Miyagi Prefecture, Japan)

    Production workshop: Dalian Alps (Dalian, China)

    Main specifications

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