TWM461865U - Optoelectronic touch switch - Google Patents

Description

Photoelectric touch switch

This creation belongs to the technical field of a touch switch, in particular, a photoelectric touch switch capable of generating and recognizing a password, thereby avoiding the occurrence of malfunction.

According to the switch, switching, switching or action of most kinds of electric devices, such as lamps, electrical appliances, and implements, usually need to use a set of switches. Traditionally, there are buttons, buttons, buttons, push buttons. Such mechanical design, this kind of mechanical design has the structure protruding from the surface of the control panel, can not match the existing technology sense of the device or the interior, destroying the overall beauty of the appearance of the device using the switch; Switching is to use the internal reed as the switching switch and positioning. After a long time of use, the reed will be elastic and fatigue, which will lead to poor contact, which affects the effectiveness and service life of the switch.

In recent years, due to advances in technology, the application of touch technology has been widely developed on many devices. For example, touch panels have become the most important application technology at present, and the touch technology of touch panels is resistive, capacitive, and inductive. , optical...etc., and capacitive touch technology has the characteristics of durability and low cost, and has gradually become the preferred technology for touch. Current touchpads often have similar touch point capacitance values when there is touch and no touch. It is necessary to add complex and immediate calculations and react quickly to avoid the device being affected by the external environment, which may cause misjudgment. .

In other words, how to solve the aforementioned conventional mechanical destruction of the overall appearance, so that It is an important issue in the industry to use short life and solve the problem that the capacitive touch switch is easy to change due to environmental changes.

The reason is that this creator is in-depth discussion on the problems faced by the above-mentioned existing types of switches, and actively seeks solutions through the experience of the creators for years of relevant development, and has finally succeeded in research and development through continuous efforts. A photoelectric touch switch with identification function is created to overcome the troubles and inconveniences of the existing ones being susceptible to environmental impacts.

Therefore, the main purpose of this creation is to provide a photoelectric touch switch, which can be used to recognize the light through the reflection of a password light, and avoid electromagnetic waves, radio waves, noise during motor operation or High-impedance reception, etc., cause malfunctions, prevent the occurrence of malfunctions, and further improve the safety of the device.

To this end, the present invention mainly achieves the above-mentioned various purposes and effects through the following technical means, which at least includes: a substrate, the substrate is a panel of a switch body, and the substrate is selected from the group that is permeable to light. a plate; a transmitting diode, the emitting diode system is disposed inside the operating area of the substrate, and the emitting diode is controlled to emit infrared rays; a photoelectric crystal, the photoelectric crystal system is disposed inside the operating area of the substrate, and the photoelectric The crystal can receive reflected infrared rays; a central processing unit having at least one encoder, a decoder and a comparator, wherein the encoder is coupled to the transmitting diode, the encoder can generate a set of passwords And is pulsed to the transmitting diode, and the decoder is connected to the aforementioned light The transistor can be used to obtain the password contained in the light, and the input of the comparator is connected to the encoder and the decoder respectively, and the output of the comparator of the central processing unit is connected to a controlled device.

Therefore, through the specific implementation of the foregoing technical means, the photoelectric touch switch of the present invention can generate a password by the encoder of the central processing unit, so that the transmitting diode emits the infrared code containing the password, so that when the user touches, By reflecting the infrared code containing the password for the photoelectric crystal, and decoding by the decoder, and confirming by the comparator, the corresponding action can be performed to avoid electromagnetic waves, radio waves, and motor actions caused by the environment. Noise, etc., or malfunction caused by high-impedance reception, can further improve the safety of operation.

In order to enable the review board to further understand the composition, characteristics and other purposes of the creation, the following are some of the preferred embodiments of the creation, and the detailed description of the creation is as follows, and the person familiar with the technical field can be implemented. .

(10) ‧‧‧Central Processing Unit

(11)‧‧‧Encoder

(12)‧‧‧Decoder

(13)‧‧‧ comparator

(14) ‧ ‧ controller

(15) ‧‧‧Transmission diodes

(16)‧‧‧Photoelectric crystal

(18)‧‧‧Lighting diodes

(20) ‧‧‧Substrate

(21)‧‧‧Operating area

(22) ‧‧‧Operating area

(30) ‧‧‧ devices

The first picture: Schematic diagram of the circuit structure of the photoelectric touch switch of the present creation.

Second picture: A brief external view of the photoelectric touch switch of this creation.

The third picture: the schematic diagram of the state of the photo-electric touch switch in actual use.

The present invention is a photoelectric touch switch, and the specific embodiments of the present invention and its components are illustrated with reference to the drawings, all of which relate to front and rear, left and right, top and bottom, upper and lower, and horizontal and vertical, only For convenience of description, it is not intended to limit the creation, nor to limit its components to any position or space. The dimensions specified in the drawings and instructions, when Variations may be made in accordance with the design and needs of the specific embodiments of the present invention without departing from the scope of the present invention.

The schematic structure of the present photoelectric touch switch is as shown in the first and second figures, and comprises at least a central processing unit (10), a transmitting diode (15), a photoelectric crystal (16) and a substrate. (20) The photoelectric touch switch is configured to control the opening, closing, switching or action of a device (30), wherein the device (30) may be selected from a lamp, an electrical appliance or a machine tool, etc.; and the central processing unit ( 10) [MCU] comprises an encoder (11), a decoder (12), a comparator (13) and a controller (14), wherein the encoder (11) is connected to the transmitting diode (15) The encoder (11) can generate a set of passwords and send them to the transmitting diode (15) in a pulsed manner, and the decoder (12) is connected to the aforementioned optoelectronic crystal (16), the decoder ( 12) can be used to obtain the password contained in the light, and the input of the comparator (13) is respectively connected to the aforementioned encoder (11) and decoder (12), and the central processing unit (10) comparator (13) The output is connected to the controlled device (30), and the password generated by the comparison encoder (11) is the same as the password obtained by the decoder (12). The unit (10) sends a control signal to the device (30), and vice versa, and the central processing unit (10) has a controller (14) connected to the output of the comparator (13). (14) an externally disposed light-emitting diode (18) can be connected to indicate whether it generates a control signal, and the central processing unit (10) can further use the amount of light received by the photoelectric crystal (16) according to the use. It is necessary to set the brightness control of the device (30) of the lamp, and the central processing unit (10) can also generate the correct light according to the amount of light received by the photoelectric crystal (16) after the operation of the device (30) of the lamp. Lumen number Further, the transmitting diode (15) is connected to the encoder (11) of the central processing unit (10), and the password sent by the encoder (11) in a pulsed manner is emitted in an infrared manner, and the photoelectric crystal (16) is connected to the decoder (12) of the central processing unit (10), the photoelectric crystal (16) is adapted to receive infrared rays, and the infrared rays are fed back to the decoder (12) for decoding, and further The emitter diode (15), the optoelectronic crystal (16) and the light emitting diode (18) are disposed under the substrate (20), and the substrate (20) can be a panel of a switch body, and the substrate (20) It is selected from a light-transmissive plastic plate, an acrylic plate, a glass plate or a quartz plate, so that infrared light can pass through and be injected, and the substrate (20) can have more than one operation area (21, 22). The present invention has two operation areas (21, 22) as main embodiments, and each operation area (21, 22) of the substrate (20) has a central processing unit (10), a transmitting diode (15), and a photoelectric crystal. (16) and the light-emitting diode (18); thereby forming a photoelectric touch switch capable of recognizing by using infrared rays containing a password.

The practical application of the photoelectric touch switch of the present invention is firstly shown in the first, second and third figures. In operation, the photoelectric touch-open relationship is generated through the encoder (11) of the central processing unit (10). The password is sent to the transmitting diode (15) in a pulsed manner, so that the transmitting diode (15) emits infrared light containing the set of passwords. When the user actually wants to operate the set of switches, the hand or the item is touched. Or non-touching access to the corresponding operating area (21) of the substrate (20), causing the coded infrared light to be reflected and received by the photo-crystal (16) inside the substrate (20), when the photo-crystal (16) After receiving the reflected infrared light, the password contained in the light is sent to the decoder (12) of the central processing unit (10) for decoding, and the password generated by the comparator (13) is compared with the encoder (11). Received with decoder (12) If the passwords are the same, the central processing unit (10) sends a control signal to the device (30) to perform its corresponding opening and closing, switching or action, and simultaneously activates the external device through the controller (14). The light-emitting diode (18) is instructed to generate a control signal for the user to distinguish, and can be used as a display of the position; otherwise, if the passwords of the two are different, no action is taken.

Therefore, through the specific implementation of the foregoing technical means, the photoelectric touch switch of the present invention can generate a password by the encoder (11) of the central processing unit (10), so that the transmitting diode (15) emits an infrared code containing a password. When the user touches, the infrared code containing the password can be reflected by the photoelectric crystal (16), decoded by the decoder (12), and compared by the comparator (13), and avoided. Electromagnetic waves caused by the environment, radio waves, noise during motor operation, high-impedance reception, etc., to prevent the occurrence of malfunctions, further improve the safety of the operation, thereby increasing the added value and further improving Its economic benefits.

In summary, it can be understood that this creation is a creative and excellent new creation. In addition to effectively solving the problems faced by the practitioners, the effect is greatly enhanced, and the same or similar product creation is not seen in the same technical field. Or public use, and at the same time have an improvement in efficacy, so this creation has met the requirements of "newness" and "progressiveness" of the new patent, and is applying for a new type of patent according to law.

(10) ‧‧‧Central Processing Unit

(11)‧‧‧Encoder

(12)‧‧‧Decoder

(13)‧‧‧ comparator

(14) ‧ ‧ controller

(15) ‧‧‧Transmission diodes

(16)‧‧‧Photoelectric crystal

(18)‧‧‧Lighting diodes

(20) ‧‧‧Substrate

(30) ‧‧‧ devices

Claims (6)

A photoelectric touch switch includes: a substrate, the substrate is a panel of a switch body, and the substrate is selected from a light transmissive plate; and a transmitting diode is disposed in an operating area of the substrate The inner side, and the emitting diode can be controlled to emit infrared rays; a photoelectric crystal, the photoelectric crystal system is disposed inside the operating area of the substrate, and the photoelectric crystal can receive the reflected infrared light; and a central processing unit having at least the central processing unit An encoder, a decoder and a comparator, wherein an encoder is coupled to the transmitting diode, the encoder generates a set of passwords and is pulsed to the transmitting diode, and the decoder is coupled to In the foregoing photoelectric crystal, the decoder can be used to obtain a password contained in the light, and the input end of the comparator is respectively connected to the encoder and the decoder, and the output of the central processing unit comparator is connected to a controlled one. And the device determines whether to send the control signal by using a comparator of the central processing unit to compare whether the password generated by the encoder and the password obtained by the decoder are the same And the group consisting of a photoelectric switch by touch. The photoelectric touch switch of claim 1, wherein the substrate is selected from the group consisting of a transparent plastic plate, an acrylic plate, a glass plate or a quartz plate. The photoelectric touch switch of claim 1, wherein the substrate can have more than one operation area, and each operation area can correspond to a central processing unit, a transmitting diode, and a photoelectric crystal. The photoelectric touch switch of claim 1 or 3, wherein the central processing unit further has a controller connected to the output of the comparator, And the controller is connected to a light emitting diode disposed on the inner side of the substrate for indicating whether to generate a control signal. The photoelectric touch switch of claim 1, wherein the central processing unit can set the brightness control of the device of the light fixture according to the amount of light received by the photoelectric crystal. The photoelectric touch switch according to claim 1, wherein the central processing unit can calculate the lumen number of the correct light by the operation of the device according to the amount of light received by the photoelectric crystal.