CN-116027848-B - Sensor and intelligent interaction panel

Abstract

The application provides a sensor and an intelligent interaction panel, wherein the sensor comprises a sensing signal output unit, a modulation unit, an amplifying unit, a first sensing unit and an electromagnetic unit, wherein the electromagnetic unit is used for adsorbing the sensor on a frame of the intelligent interaction panel, the modulation unit modulates a sensing signal from the sensing signal output unit and transmits the modulated signal to the amplifying unit, the amplifying unit amplifies the modulated signal and transmits the amplified signal to the first sensing unit, the first sensing unit transmits the amplified signal to the second sensing unit and transmits the amplified signal to a controller, the second sensing unit and the controller are arranged in the intelligent interaction panel, and the first sensing unit and the second sensing unit are in sensing connection. The application can more conveniently connect the sensor to different positions of the intelligent interaction panel and communicate with the intelligent interaction panel in real time.

Inventors

• Wen Peitao

Assignees

• 广州视源电子科技股份有限公司
• 广州视源创新科技有限公司

Dates

Publication Date

20260505

Application Date

20211027

Claims (10)

1. 1. The sensor is characterized by being applied to an intelligent interaction panel and comprising a sensing signal output unit, a modulation unit, an amplifying unit, a first induction unit and an electromagnetic unit, wherein the electromagnetic unit is used for adsorbing the sensor on a frame of the intelligent interaction panel; The input end of the modulation unit is used for being connected with the sensing signal output unit, the output end of the modulation unit is connected with the input end of the amplifying unit, the first output end of the amplifying unit is connected with the first end of the first sensing unit, the second output end of the amplifying unit is grounded through the electromagnetic unit, and the second end of the first sensing unit is used for being connected with a power supply voltage; The modulating unit is used for modulating the sensing signal from the sensing signal output unit and transmitting the modulated signal to the amplifying unit; the amplifying unit is used for amplifying the modulated signal and transmitting the amplified signal to the first sensing unit; The first sensing unit is used for transmitting the amplified signal to the second sensing unit so as to transmit the amplified signal to the controller, the second sensing unit and the controller are arranged in the intelligent interaction panel, and the first sensing unit is connected with the second sensing unit in a sensing way.
2. 2. The sensor of claim 1, wherein the modulation unit comprises a control switch, wherein: the first input end of the control switch is used as the input end of the modulation unit and is connected with the sensing signal output unit; The second input end of the control switch is used for accessing a carrier signal for modulating the sensing signal; the output end of the control switch is used as the output end of the modulation unit.
3. 3. The sensor according to claim 2, wherein the control switch determines whether to input the carrier signal to the amplifying unit under the influence of the sensing signal; and if the sensing signal is at a low level, the control switch is disconnected with a signal generator which generates the carrier signal.
4. 4. The sensor of claim 1, wherein the amplifying unit is a common-emitter amplifying circuit, a base of the common-emitter amplifying circuit is used as an input terminal of the amplifying unit, a collector of the common-emitter amplifying circuit is used as a first output terminal of the amplifying unit, and an emitter of the common-emitter amplifying circuit is used as a second output terminal of the amplifying unit.
5. 5. The intelligent interaction panel is characterized by comprising a display screen, a controller, a sensor, a back plate and a frame, wherein the display screen is positioned between the frame and the back plate, and the frame is abutted against the display screen; The sensor comprises a sensing signal output unit, a modulation unit, an amplifying unit, a first induction unit and an electromagnetic unit, wherein the input end of the modulation unit is used for being connected with the sensing signal output unit, the output end of the modulation unit is connected with the input end of the amplifying unit, the first output end of the amplifying unit is connected with the first end of the first induction unit, the second output end of the amplifying unit is grounded through the electromagnetic unit, the second end of the first induction unit is used for being connected with a power supply voltage, the electromagnetic unit is used for adsorbing the sensor on the frame, the modulation unit is used for modulating the sensing signal from the sensing signal output unit and transmitting the modulated signal to the amplifying unit, and the amplifying unit is used for amplifying the modulated signal and transmitting the amplified signal to the first induction unit; The inner side of the frame is provided with a second sensing unit and a resistor, a first end of the second sensing unit is connected with a first end of the controller through the resistor, a second end of the second sensing unit is connected with a second end of the controller, and the second sensing unit is used for receiving the amplified signal and transmitting the amplified signal to the controller.
6. 6. The intelligent interactive tablet of claim 5, wherein the second sensing unit is disposed about the bezel.
7. 7. The intelligent interactive tablet of claim 5 or 6, wherein the modulation unit comprises a control switch, wherein: the first input end of the control switch is used as the input end of the modulation unit and is connected with the sensing signal output unit; The second input end of the control switch is used for accessing a carrier signal for modulating the sensing signal; the output end of the control switch is used as the output end of the modulation unit.
8. 8. The intelligent interactive tablet according to claim 7, wherein the control switch determines whether to input the carrier signal to the amplifying unit under the influence of the sensing signal; and if the sensing signal is at a low level, the control switch is disconnected with a signal generator which generates the carrier signal.
9. 9. The intelligent interactive panel according to claim 5 or 6, wherein the amplifying unit is a common-emitter amplifying circuit, a base electrode of the common-emitter amplifying circuit is used as an input end of the amplifying unit, a collector electrode of the common-emitter amplifying circuit is used as a first output end of the amplifying unit, and an emitter electrode of the common-emitter amplifying circuit is used as a second output end of the amplifying unit.
10. 10. The intelligent interactive tablet of claim 5 or 6, wherein the first inductive unit is a primary winding of a magnetic device and the second inductive unit is a secondary winding of the magnetic device.

Description

Sensor and intelligent interaction panel Technical Field The application relates to the technical field of intelligent interaction plates, in particular to a sensor and an intelligent interaction plate. Background With the development of man-machine interaction technology, more and more electronic equipment applications, such as intelligent interaction tablets, are being developed, which facilitate life and/or work of people. The intelligent interaction panel is integrated equipment for controlling the content displayed on the display panel and realizing man-machine interaction operation through a touch technology. In practical application, the intelligent interaction panel can acquire data output by the sensor in real time through the connected sensor, and further the data output by the sensor is applied to different business scenes. Currently, sensors typically establish a connection with the smart interactive tablet through a fixed physical interface, such as a universal serial bus (Universal Serial Bus, USB) interface, to communicate with the smart interactive tablet in real-time. For example, a temperature and humidity sensor is connected to the top of the intelligent interaction panel through a USB interface, and the intelligent interaction panel can acquire the temperature and humidity in the current environment in real time through the temperature and humidity sensor. The manner in which the above-described sensors are connected to the intelligent interactive tablet is limited by the location of the physical interface. Disclosure of Invention The application provides a sensor and an intelligent interaction panel, which are used for solving the problem that the mode of connecting the sensor with the intelligent interaction panel is limited by the position of a physical interface. In a first aspect, the application provides a sensor applied to an intelligent interaction panel, the sensor comprises a sensing signal output unit, a modulation unit, an amplifying unit, a first induction unit and an electromagnetic unit for adsorbing the sensor on a frame of the intelligent interaction panel; The input end of the modulation unit is connected with the sensing signal output unit, the output end of the modulation unit is connected with the input end of the amplifying unit, the first output end of the amplifying unit is connected with the first end of the first sensing unit, the second output end of the amplifying unit is grounded through the electromagnetic unit, and the second end of the first sensing unit is connected with the power supply voltage; A modulating unit for modulating the sensing signal from the sensing signal output unit and transmitting the modulated signal to the amplifying unit; The amplifying unit is used for amplifying the modulated signal and transmitting the amplified signal to the first sensing unit; The first sensing unit is used for transmitting the amplified signal to the second sensing unit so as to transmit the amplified signal to the controller, the second sensing unit and the controller are arranged in the intelligent interaction panel, and the first sensing unit is connected with the second sensing unit in a sensing way. Optionally, the modulation unit comprises a control switch, wherein a first input end of the control switch is used as an input end of the modulation unit and is used for being connected with the sensing signal output unit, a second input end of the control switch is used for being connected with a carrier signal for modulating the sensing signal, and an output end of the control switch is used as an output end of the modulation unit. Optionally, the control switch determines whether to input the carrier signal to the amplifying unit under the action of the sensing signal, if the sensing signal is at a high level, the control switch inputs the carrier signal to the amplifying unit, and if the sensing signal is at a low level, the control switch is disconnected from a signal generator generating the carrier signal. Optionally, the amplifying unit is a common-emitter amplifying circuit, the base electrode of the common-emitter amplifying circuit is used as the input end of the amplifying unit, the collector electrode of the common-emitter amplifying circuit is used as the first output end of the amplifying unit, and the emitter electrode of the common-emitter amplifying circuit is used as the second output end of the amplifying unit. The application provides an intelligent interaction panel which comprises a display screen, a controller, a sensor, a back plate and a frame, wherein the display screen is positioned between the frame and the back plate, and the frame is abutted with the display screen; The sensor comprises a sensing signal output unit, a modulation unit, an amplifying unit, a first sensing unit and an electromagnetic unit, wherein the input end of the modulation unit is used for being connected with the sensing signal output unit, the output end of