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2023-06-06
Installing membrane pressure sensors for passenger car seats
Thin film pressure sensor, abbreviated as SBR. Used for car seats and smart seats, signals are mainly transmitted to terminals by pressing. The main customer group of Shenzhen Xinjie Jia thin film pressure sensors is supporting suppliers in the automotive industry. Applied to car seat occupant perception systems, such as seat belt alarm sensors, taxi automatic meter, airbag sensing, and driver departure. For example, with this device, it can sense whether there is anyone on the seat, and if there is no one, the membrane pressure sensor will not open. If the driver leaves the seat, they will automatically return to neutral. It can design the appearance and contact sensitivity of sensors based on the shape, hardness, and skin tightness of the seat. Detect if there is anyone on the seat, this signal is sent to the seat belt alarm device. In theory, this detection signal can also be used as a co pilot switch
2023-06-06
Xinjie Jia teaches you how to choose a thin film switch tester
What precautions should be taken when choosing a thin film switch tester? Xiaomian Xin Jiejia teaches you how to choose a thin film switch tester. Here are some tips: (1) Can the instrument test for leakage. (2) Can the instrument test the resistance value (usually the upper limit of the resistance value is specified for thin film switches). (3) Testing the range of leakage (this is also very important as it is too small to meet the customer's requirements). (4) Can you indicate the location and specific parameters of the defect (which is very convenient for analyzing problems and finding the cause). (5) Does the instrument have a statistical function (this is also a practical function, there is no need to test another one and count the number of times with a counting machine).
2023-06-06
How to detect ink indicators in the production process of thin film switches
In the production process of thin film switches, the main raw materials are thin film, ink, and solvents. And there are several basic indicators of ink that are listed within the scope of thin film switch detection: viscosity, fineness, hue, and adhesion fastness. When conducting viscosity testing, it is best to dilute the matching mixed solvent to a specific viscosity (such as 18 seconds/25 ℃) and calculate the amount of solvent added. This can eliminate the possibility of "false viscosity" caused by some ink (the ink may appear thick, but the solvent cannot be added). The detection of adhesion fastness can use the national standard (GB/T13217.7-91), but for some surface printing inks, it may not be enough. It is best to simulate the specific requirements of product packaging and post-processing conditions for testing.
2023-06-06
What are the classifications of membrane switches?
(1) Military membrane switch The biggest difference between the two is the usage environment, which is quite harsh for military thin film switches. In terms of environmental temperature alone, its working conditions not only need to meet the requirements of -54~70 degrees, but also need to withstand temperature shocks of -55~100 degrees and 3 cycles. Moreover, in foreign military standards, the operating temperature for high-temperature testing is set at 125 degrees Celsius, and the high-temperature storage temperature is 150 degrees Celsius. It is obvious that commercial thin film switches are not suitable for working in such harsh military environments.
2023-06-06
What are the steps for inspecting thin film switches?
What are the steps for inspecting thin film switches? 1. Material inspection: The panel, substrate, silver paste, carbon ink, spacer, adhesive, adhesive, reinforcing plate, and insulation printing should comply with the requirements of the drawing.
2023-06-06
Standard formulation of thin film switches in the electrical industry
Formulation of standards for thin film switches in the electrical industry: Thin film switch is a multi-layer structure (planar) (non locking) key switch composed of insulating material layers with certain elasticity. Due to its beautiful appearance, long lifespan, and simple structure, it is widely used in various industries, ranging from household appliances to high-tech products. The membrane switch is mainly composed of facial mask, facial mask adhesive, upper circuit, isolation layer, lower circuit and adhesive. The structure is as shown in "membrane switch structure". The facial mask layer, upper line layer and lower line layer are transparent films, and the main materials used are PC, PET and PVC. The facial mask backing, isolation layer and backing layer are made of Double-sided tape (commonly known as sandwich). Principle of Thin Film Switch
Shenzhen Xin Jie Jia Electronic Membrane Switch co.,ltd
Tel：0086-0755-27884065
Mobile phone：86-13509657170
E-mail：jyj.2008vip@163.com
Add：5/F, 23rd Third Industrial Zone Fenghuang Xingwei Baoan Shenzhen China 518103
