The touch all-in-one machine is a device that integrates touch screen, industrial control, computer and other technologies, so as to achieve information query, advertising display, media interaction, conference content display, offline experience store product display, etc. It can also meet specific needs such as fingerprint attendance, card swiping, etc. The touch screen includes four- and five-wire resistive screen, surface acoustic wave screen, infrared screen, holographic nano-touch screen and other excellent touch screens at home and abroad, which can meet the application needs according to the user's region and place. The touch all-in-one machine is a touch product that bundles the touch screen and related software together with the outer packaging for inquiry purposes. The touch all-in-one machine really achieves the integration of touch and control, which greatly improves people's work efficiency.
touch all-in-one
As one of the modern high-tech equipment and machines, the touch all-in-one machine is slowly replacing the status of the simple touch screen, so that users can truly feel the feature that people and machines can interact freely.
Recommended touch all-in-one machine: horizontal touch all-in-one machine, wall-mounted touch all-in-one machine
The most commonly used types of touch all-in-one machines are capacitive touch all-in-one machines and infrared touch all-in-one machines;
The working principle of capacitive touch all-in-one machine:
The capacitive touch screen of the capacitive touch all-in-one machine uses the current sensing of the human body to work. The capacitive touch screen is a four-layer composite glass screen. The inner surface and the interlayer of the glass screen are each coated with a layer of indium oxide (ITO), and the outermost layer is a Thin layer of silica glass protective layer. The interlayer ITO coating is used as the working surface, four electrodes are drawn from the four corners, and the inner layer of ITO is used as the shielding layer, which ensures a good working environment.
When the finger touches the metal layer, the electric field of the human body and the surface of the user and the touch screen form a composite capacitance. Therefore, for high-frequency current, the capacitance is a direct conductor, and the finger draws a tiny current from the contact point. This current flows out from the electrodes at the four corners of the touch screen, respectively. The current flowing through these four electrodes is proportional to the distance from the finger to the four corners, and the controller obtains the position of the touch point through the precise calculation of the ratio of these four currents.
The working principle of the infrared touch screen all-in-one machine
The infrared touch screen of the infrared touch all-in-one machine uses a dense infrared matrix in the x and y directions to detect the user's touch. The infrared touch screen is installed with a circuit board frame in front of the display, and the circuit board is equipped with infrared emitting tubes and infrared receiving tubes on the four sides of the screen. , one-to-one corresponding to a crossed infrared matrix. When the user touches the screen, the finger will block the infrared rays passing through the position, so the position of the touch point on the screen can be determined.
The structure of the touch all-in-one machine
The main components integrated in the touch all-in-one machine include: brushed aluminum front frame, touch frame, tempered glass, display screen, metal back shell, wall mount, ops industrial computer (or ordinary computer) display board, power board, expansion board, decoder board, Power cord, power adapter.
Touch all-in-one computer: There are two types of touch all-in-one computers, one is a common type of computer, and the other is an industrial control ops computer. The performance of industrial control ops is relatively excellent.
Tempered glass: Tempered glass is the same as the mobile phone screen, and the tempered glass plays the role of protecting the touch screen.
Metal back case: The metal back case is necessary to prevent the deformation of the touch all-in-one. If you use a plastic back shell, the entire body is relatively easy to deform.
