CN111522002A - Intelligent switch radar system - Google Patents

Abstract

The invention provides an intelligent switch radar system, wherein a millimeter radar wave sensor of the intelligent switch radar system comprises a first antenna, a second antenna and a third antenna, wherein the first antenna is used for transmitting and receiving millimeter radar waves; the main control circuit board of the intelligent switch is wirelessly connected with the controlled electric appliance and the intelligent terminal through a second antenna; the main control circuit board determines a human body detection result according to a signal sent by the millimeter radar wave sensor, and controls the second antenna to send a control instruction to the controlled electric appliance according to the result or an instruction sent by the intelligent terminal; the master control circuit board is connected with the touch module and controls the working state of the controlled electric appliance according to the touch instruction sent by the touch module. The invention detects whether a human body exists or not through the millimeter radar wave sensor, controls the working state of the controlled electric appliance according to the detection result by utilizing the main control circuit board in the intelligent switch, can automatically control the controlled electric appliance according to the existence condition of the human body without presetting or sending a control instruction, and achieves the effects of intelligence, convenience and energy saving.

Description

Smart switch radar system

technical field

The invention relates to the field of intelligent switches, in particular to an intelligent switch radar system.

Background technique

Switches are ubiquitous in modern society, and smart switches are more needed to match the scene in modern society. The intelligent switch has the functions of remote control and scene linkage, and can automatically make corresponding adjustments according to system information. In order to achieve the effect of energy saving and comfort.

However, the smart switch needs to be pre-configured by the user or send relevant instructions when performing scene linkage and adjusting according to system information. It is not possible to automatically control the work of electrical appliances according to the existence of the human body, and it is difficult to achieve intelligence.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings of the prior art, the present invention proposes an intelligent switch radar system, which detects the existence of a human body through a millimeter radar wave sensor, and uses the main control circuit board in the intelligent switch to control the working state of the controlled electrical appliance according to the detection result, which can The controlled electrical appliances are automatically controlled according to the existence of the human body, without pre-setting or sending control instructions, achieving the effect of intelligence, convenience and energy saving.

In order to solve the above problems, a technical solution adopted by the present invention is: an intelligent switch radar system, the intelligent switch radar system includes: at least one millimeter radar wave sensor and an intelligent switch, the intelligent switch and the millimeter radar wave sensor connection; the millimeter radar wave sensor includes a first antenna, through which the millimeter radar wave is transmitted and received to detect the human body, and the signal generated after receiving the millimeter radar wave is sent to the intelligent switch; the The intelligent switch includes a second antenna and a main control circuit board, the main control circuit board is respectively connected with the second antenna and the millimeter radar wave sensor, and the main control circuit board is connected with the controlled electrical appliance, intelligent The terminal is wirelessly connected; the main control circuit board determines the human body detection result according to the signal sent by the millimeter radar wave sensor, and controls the second antenna to the The controlled electrical appliance sends a control instruction; wherein, the smart switch further includes a touch control module, the main control circuit board is connected to the touch control module, and controls the subject according to the touch control instruction sent by the touch control module. The working status of the controller.

Further, the first antenna includes a transmitting antenna and a receiving antenna, and the millimeter radar wave sensor transmits and receives the millimeter radar wave through the transmitting antenna and the receiving antenna, respectively.

Further, the millimeter radar wave sensor further includes a mixed signal processing circuit, the mixed signal processing circuit is respectively connected with the receiving antenna and the main control circuit board, and the mixed signal processing circuit receives the millimeter radar wave from the receiving antenna. The generated signal is preliminarily processed, and the processed signal is transmitted to the main control circuit board.

Further, the intelligent switch radar system further includes a controller, which is respectively connected to the mixed signal processing circuit and the main control circuit board, and the controller performs digital processing on the signals transmitted by the mixed signal processing circuit. , and send the digitally processed signal to the main control circuit board.

Further, the controller includes a digital processing module and a signal processing module, the signal processing module is respectively connected with the digital processing module and the mixed signal processing circuit, and the digital processing module is connected with the main control circuit board.

Further, the millimeter radar wave sensor further includes a distribution network key, and the millimeter radar wave sensor receives the distribution network command through the distribution network key.

Further, the millimeter radar wave sensor further includes an indicator light, and the millimeter radar wave sensor displays the distribution network situation through the indicator light.

Further, the touch module includes a glass lens and a flexible circuit board, the glass lens covers the flexible circuit board, and the flexible circuit board generates a touch command according to an operation of a user touching the glass lens.

Further, the smart switch further includes a metal panel and an antenna bracket, the metal panel is a slotted hollow structure, the center of the metal panel has a slot matching the antenna bracket, and the antenna bracket is fixed on the In the slot hole in the center of the metal panel, the flexible circuit board is fixed on the antenna bracket, the glass lens covers the flexible circuit board and is fixed on the metal panel, the main control circuit The board is fixed on the non-contact side of the metal panel and the glass lens, and the flexible circuit board is electrically connected to the main control circuit board.

Further, the intelligent switch further includes an aluminum sheet bracket, and the aluminum sheet bracket covers the main control circuit board and is fixed on the metal panel.

Compared with the prior art, the present invention has the beneficial effects of detecting the existence of the human body through the millimeter radar wave sensor, and using the main control circuit board in the intelligent switch to control the working state of the controlled electrical appliance according to the detection result, so that the existence state of the human body can be controlled according to the detection result. Automatically control the controlled electrical appliances without pre-setting or sending control commands, achieving the effect of intelligence, convenience and energy saving.

Description of drawings

FIG. 1 is a structural diagram of an embodiment of an intelligent switch radar system of the present invention;

FIG. 2 is a structural diagram of another embodiment of an intelligent switch radar system of the present invention;

3 is an exploded view of an embodiment of an intelligent switch in the intelligent switch radar system of the present invention;

FIG. 4 is an external view of an embodiment of a smart switch in the smart switch radar system of the present invention.

In the picture: 1. Metal panel; 2. Glass lens; 3. Flexible circuit board; 4. Antenna bracket; 5. Main control circuit board; 6. Aluminum sheet bracket; 7. Insulating tape; 8. Bottom case.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be combined arbitrarily to form new embodiments. .

Please refer to FIGS. 1-4, wherein FIG. 1 is a structural diagram of an embodiment of the smart switch radar system of the present invention; FIG. 2 is a structural diagram of another embodiment of the smart switch radar system of the present invention; FIG. 3 is the smart switch radar system of the present invention An exploded view of an embodiment of a smart switch in the system; FIG. 4 is an appearance view of an embodiment of a smart switch in the smart switch radar system of the present invention. The intelligent switch radar system of the present invention will be described in detail with reference to the accompanying drawings 1-4.

In this embodiment, the smart switch radar system includes: at least one millimeter radar wave sensor and a smart switch, the smart switch is connected to the millimeter radar wave sensor; the millimeter radar wave sensor includes a first antenna, and the millimeter radar wave is transmitted and received through the first antenna In order to detect the human body, and send the signal generated after receiving the millimeter radar wave to the intelligent switch; the intelligent switch includes a second antenna, a main control circuit board 5, and the main control circuit board 5 is respectively connected with the touch module, the second antenna and the millimeter radar wave. The sensor is connected, and the main control circuit board 5 is wirelessly connected to the controlled electrical appliance and the intelligent terminal through the second antenna; the main control circuit board 5 determines the human body detection result according to the signal sent by the millimeter radar wave sensor, and determines the human body detection result according to the human body detection result or the intelligent terminal. The instruction controls the second antenna to send a control instruction to the controlled electrical appliance; wherein, the intelligent switch further includes a touch control module, and the main control circuit board 5 is connected to the touch control module, and controls the work of the controlled electrical appliance according to the touch control instruction sent by the touch control module state.

In a specific embodiment, the frequency of the millimeter radar wave sent by the millimeter radar wave sensor is 60 GHz.

In this embodiment, the main control circuit board 5 includes at least one of zegbee\wifi\Bluetooth, Lora and other wireless communication modules, and the wireless communication module transmits or receives wireless signals through the second antenna.

In this embodiment, the millimeter radar wave sensor may be connected to the main control circuit board 5 by wire, or may be connected to the main control circuit through the second antenna.

In this embodiment, the first antenna includes a transmitting antenna and a receiving antenna, and the millimeter radar wave sensor transmits and receives the millimeter radar wave through the transmitting antenna and the receiving antenna, respectively.

In this embodiment, the millimeter radar wave sensor further includes a mixed signal processing circuit. The mixed signal processing circuit is connected to the receiving antenna and the main control circuit board 5 respectively. The mixed signal processing circuit performs preliminary processing on the signal generated by the receiving antenna receiving the millimeter radar wave. , and transmit the processed signal to the main control circuit board 5 .

In this embodiment, the intelligent switch radar system further includes a controller, which is connected to the mixed signal processing circuit and the main control circuit board 5 respectively. The controller performs digital processing on the signal transmitted by the mixed signal processing circuit, and digitizes the The signal is sent to the main control circuit board 5.

In a specific embodiment, the millimeter radar wave sensor is a sensor that integrates high-frequency radar electromagnetic wave technology and biomedical engineering, and detects human life parameters by irradiating the human body with a pulse-shaped microwave beam. The existence of breathing, heartbeat, etc.) changes the repetition period of the callback pulse sequence reflected by the human body. The mixed signal processing circuit demodulates, integrates, amplifies, and filters the echo pulse sequence reflected by the human body, and inputs it to the controller for data processing and analysis, so as to obtain the data parameters related to the human body through the controller. Combined with data analysis technology, other applications can be extended, such as activity trajectories, people counting, falls and other behaviors for detection.

In this embodiment, the millimeter radar wave sensor is suitable for signal detection of the presence of the human body in places such as toilets, offices, conference rooms, shopping malls, and equipment.

In this embodiment, the controller includes a digital processing module and a signal processing module, the signal processing module is respectively connected with the digital processing module and the mixed signal processing circuit, and the digital processing module is connected with the main control circuit board 5 . The presence of personnel and the number of personnel are detected through the signal processing circuit and the digital processing module, and instructions are sent to the main control circuit board 5 according to the detected data to control the working state of the controlled electrical appliances.

In this embodiment, the millimeter radar wave sensor can be set in multiple areas at the same time, and multiple smart switches can also be set. The human body detection result sends an instruction to the smart switch controlling the area to control the action of the smart switch.

In this embodiment, the controller can also be integrated into the main control circuit board 5, and the main control circuit board 5 obtains the detection result (such as no one, how many people, movement trajectory, etc.) according to the information sent by the millimeter radar wave sensor, Control the working state of the controlled electrical appliance (on, off, brightness, temperature, controlled electrical appliance power, etc.) according to the detection result.

In this embodiment, the millimeter radar wave sensor further includes a network distribution key, and the millimeter radar wave sensor receives the network distribution command through the network distribution key. And according to the distribution network command, it is connected to a specific network with an intelligent switch as the core, and it can also be connected to a communication network composed of millimeter radar wave sensors, and transmit information to the main control circuit board 5 through the communication network.

In this embodiment, the millimeter radar wave sensor further includes an indicator light, wherein the millimeter radar wave sensor displays the network distribution situation through the indicator light.

In a specific embodiment, before using the millimeter radar wave sensor, power on the millimeter radar wave sensor, press the network distribution button, the network distribution indicator light flashes, and the sensor is distributed to the specified network through special software. After entering the network, the transmitting antenna of the radar human presence sensor emits millimeter radar waves. When the radar waves hit the human body, they are reflected back to the receiving antenna of the sensor. After the receiving antenna receives the signal, the mixed-signal circuit performs preliminary processing on the signal. The processed signal is transmitted to the controller for reprocessing and digitization of the signal. The signal processed by the controller is output to the main control circuit board 5 of the smart switch, and the main control circuit board 5 controls the action of the smart switch according to the signal to adjust the working state of the controlled electrical appliance connected to the smart switch.

In this embodiment, the touch module includes a glass lens 2 and a flexible circuit board 3 . The glass lens 2 covers the flexible circuit board 3 , and the flexible circuit board 3 generates touch commands according to the user's operation of touching the glass lens 2 .

In this embodiment, the smart switch further includes a metal panel 1 and an antenna bracket 4. The metal panel 1 is a slotted hollow structure. The center of the metal panel 1 has a slot matching the antenna bracket 4, and the antenna bracket 4 is fixed on the metal panel. In the slot in the center of 1, the flexible circuit board 3 is fixed on the antenna bracket 4, the main control circuit board 5 is fixed on the side of the metal panel 1 without contact with the glass lens 2, and the flexible circuit board 3 is electrically connected with the main control circuit board 5. .

The smart switch works through the touch module as follows: the user touches the glass lens 2 and then triggers the circuit of the flexible circuit board 3, so that the second antenna sends the corresponding communication signal through the corresponding circuit of the main control circuit board 5, thereby Realize the control of the working state of the controlled electrical appliances. The slotted hollow structure of the metal panel 1 avoids the problem of the communication signal being shielded, can ensure the reception efficiency and emission efficiency of the communication signal, increases the control distance of the intelligent switch, and enhances the anti-interference ability. An antenna bracket 4 is arranged in the center of the metal panel 1 to fix the second antenna on the top of the metal panel 1 , so that the signal radiation efficiency of the second antenna is guaranteed, and the main control circuit board 5 passes through the metal panel 1 The conductive foam connection increases the grounding area, thereby effectively improving the stability of the second antenna signal, and further ensuring the control distance and anti-interference ability of the smart switch; and the flexible circuit board 3 and the main control circuit board 5 are respectively fixed on the The two sides of the antenna bracket 4 ensure that the touch module and the ground terminal of the main control circuit board 5 have a certain spatial distance, which effectively avoids the touch module and the ground terminal of the main control circuit board 5 due to vibration during transportation. The problem that the smart switch does not work properly due to contact. Using the glass lens 2 combined with the flexible circuit board 3 as the touch module can appropriately increase the touch area of the touch module and improve the touch sensitivity.

As a preferred embodiment, the smart switch further includes an aluminum sheet support 6 , and the aluminum sheet support 6 covers the main control circuit board 5 and is fixed on the metal panel 1 . The aluminum sheet bracket 6 is used to cover the internal structure of the metal panel 1 and can prevent dust from entering the interior of the smart switch.

As a preferred embodiment, the smart switch further includes insulating tape 7 , and the insulating tape 7 is fixed between the main control circuit board 5 and the aluminum sheet support 6 . The insulating tape 7 is used to prevent conduction between the main control circuit board 5 and the aluminum sheet support 6 .

As a preferred embodiment, the antenna bracket 4 is fixed on the metal panel 1 through several positioning holes, the flexible circuit board 3 is fixed on the antenna bracket 4 through several positioning holes, and the main control circuit board 5 is fixed through several positioning holes on metal panel 1. Each component is fixed through the positioning hole, which is easier to install and disassemble, and facilitates the manufacture of the smart switch.

As a preferred embodiment, the antenna bracket 4 is fixed on the metal panel 1 through three positioning holes, the flexible circuit board 3 is fixed on the antenna bracket 4 through three positioning holes, and the main control circuit board 5 is fixed through two positioning holes on metal panel 1. According to the shape, size and position of each component, an appropriate number of positioning holes are set to fix each component, so as to avoid the inconvenience of installation or disassembly due to too many positioning holes or the inconvenience of installation or disassembly due to too many positioning holes or between the various components due to too few positioning holes. cannot be effectively fixed.

As a preferred embodiment, the antenna bracket 4 is fixed on the metal panel 1 by using fan-shaped positioning holes.

As a preferred embodiment, the glass lens 2 is pasted on the metal panel 1 by glue. The glass lens 2 can be effectively fixed on the metal panel 1 by means of glue.

As a preferred embodiment, the smart switch further includes a bottom case 8 , which covers the aluminum sheet bracket 6 and is fixed on the metal panel 1 . The provision of the bottom case 8 ensures the sealing of the smart switch, which can effectively prevent dust or water from entering the interior of the smart switch and reduce the service life of the smart switch.

Beneficial effects: The intelligent switch radar system of the present invention detects whether the human body exists through the millimeter radar wave sensor, and uses the main control circuit board in the intelligent switch to control the working state of the controlled electrical appliance according to the detection result, and can automatically control the subject according to the existence of the human body. To control electrical appliances, there is no need to pre-set or send control commands, which achieves the effect of intelligence, convenience and energy saving.

In the several embodiments provided by the present invention, it should be understood that the disclosed devices, modules and circuits may be implemented in other manners. For example, the device implementations described above are only illustrative. For example, the structural device division of the modules is only a logical function division. In actual implementation, there may be other division methods, for example, multiple or modules may be combined. Either it can be integrated into another system, or some features can be omitted, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, devices or indirect coupling or communication connection, which may be in electrical, mechanical or other forms.

The components described as separate components may or may not be physically separated, and components shown as components may or may not be physically separated, that is, they may be located in one place or may be distributed to multiple locations. Some or all of them can be selected according to actual needs to achieve the purpose of the solution in this implementation manner.

The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. An intelligent switch radar system, characterized in that, the intelligent switch radar system comprises: at least one millimeter radar wave sensor and an intelligent switch, and the intelligent switch is connected with the millimeter radar wave sensor; The millimeter radar wave sensor includes a first antenna, through which a millimeter radar wave is transmitted and received to detect a human body, and a signal generated after receiving the millimeter radar wave is sent to the smart switch; The intelligent switch includes a second antenna and a main control circuit board, the main control circuit board is respectively connected with the second antenna and the millimeter radar wave sensor, and the main control circuit board is connected to the controlled electrical appliance through the second antenna , Smart terminal wireless connection; The main control circuit board determines the human body detection result according to the signal sent by the millimeter radar wave sensor, and controls the second antenna to the controlled electrical appliance according to the human body detection result or the instruction sent by the intelligent terminal Send control commands; Wherein, the intelligent switch further includes a touch control module, the main control circuit board is connected with the touch control module, and controls the working state of the controlled electrical appliance according to the touch control instruction sent by the touch control module. 2 . The intelligent switch radar system according to claim 1 , wherein the first antenna comprises a transmitting antenna and a receiving antenna, and the millimeter radar wave sensor transmits and receives the millimeter radar respectively through the transmitting antenna and the receiving antenna. 3 . Wave. 3 . The intelligent switch radar system according to claim 2 , wherein the millimeter radar wave sensor further comprises a mixed signal processing circuit, and the mixed signal processing circuit is respectively connected with the receiving antenna and the main control circuit board, 3 . The mixed signal processing circuit performs preliminary processing on the signal generated by the receiving antenna receiving the millimeter radar wave, and transmits the processed signal to the main control circuit board. 4 . The intelligent switch radar system according to claim 3 , wherein the intelligent switch radar system further comprises a controller, and the controller is respectively connected to the mixed signal processing circuit and the main control circuit board, and the The controller digitizes the signal transmitted by the mixed signal processing circuit, and sends the digitized signal to the main control circuit board. 5. The intelligent switch radar system according to claim 4, wherein the controller comprises a digital processing module and a signal processing module, and the signal processing module is respectively connected with the digital processing module and the mixed signal processing circuit, The digital processing module is connected with the main control circuit board. 6 . The intelligent switch radar system according to claim 1 , wherein the millimeter radar wave sensor further comprises a distribution network key, and the millimeter radar wave sensor receives a distribution network command through the distribution network key. 7 . 7 . The intelligent switch radar system according to claim 6 , wherein the millimeter radar wave sensor further comprises an indicator light, and the millimeter radar wave sensor displays the distribution network situation through the indicator light. 8 . 8 . The smart switch radar system according to claim 1 , wherein the touch control module comprises a glass lens and a flexible circuit board, the glass lens covers the flexible circuit board, and the flexible circuit board is based on the The operation of the user touching the glass lens generates a touch command. 9 . The intelligent switch radar system according to claim 8 , wherein the intelligent switch further comprises a metal panel and an antenna bracket, the metal panel is a slotted hollow structure, and the center of the metal panel has the same structure as the A slot hole matching the antenna bracket, the antenna bracket is fixed in the slot hole in the center of the metal panel, the flexible circuit board is fixed on the antenna bracket, and the glass lens covers the flexible circuit The main control circuit board is fixed on the non-contact side of the metal panel and the glass lens, and the flexible circuit board is electrically connected to the main control circuit board. 10 . The smart switch radar system according to claim 9 , wherein the smart switch further comprises an aluminum sheet bracket, and the aluminum sheet bracket covers the main control circuit board and is fixed on the metal panel. 11 .

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