CN110443966A - A radar intelligent safety warning signal light system and its control method - Google Patents

Abstract

The invention discloses a kind of radar intelligent and safe alarm signal lamp system and its control methods.The technical scheme is that a kind of radar intelligent and safe alarm signal lamp system, including radar inductor, controller, power supply, alarming singal lights and shell, the radar inductor and alarming singal lights are arranged on shell, the power supply is electrically connected with radar inductor, controller and alarming singal lights, the radar inductor, which detects, sends electric signal to controller, the controller control alarming singal lights opening and closing after object is mobile.Scheme provided by the invention overcomes convex mirror surface reflection light by weather, and light intensity, angle, the limitation of Spatial Dimension etc., alarm signal can be stablized and accurately be provided in 360 ° of coverings monitoring regions of energy, to avoid barrier and safety.

Description

A radar intelligent safety warning signal light system and its control method

technical field

The invention relates to the technical field of traffic signal lamps, in particular to a radar intelligent safety warning signal lamp and a control method thereof.

Background technique

In the prior art, for some specific occasions, such as entrances and exits of underground parking lots, logistics warehouses, narrow passages in residential quarters, etc., security access warnings often use convex mirror reflection to obtain information on whether access is possible. This primitive method is limited by weather, light intensity, angle, and space dimension, etc. It is often difficult to accurately predict safety information, which brings uncontrollable hidden dangers to safety. The radar intelligent safety warning signal light is not limited by weather, light intensity, angle, and spatial dimension. As long as a moving object enters the radar sensing area, it can be sensed and an accurate signal warning can be made.

Contents of the invention

Aiming at the deficiencies in the prior art, the main purpose of the present invention is to provide a radar intelligent safety warning signal lamp and a radar intelligent safety warning signal lamp that can automatically perceive moving objects and send corresponding signal indications or warnings as needed, so as to upgrade the safety warning of specific occasions to an intelligent level. its control method.

In order to achieve the above object, the present invention provides the following technical solutions: a radar intelligent safety warning signal lamp system, including a radar sensor, a controller, a power supply, a warning signal lamp and a housing, and the radar sensor and the warning signal lamp are arranged on the housing Above, the power supply is electrically connected to the radar sensor, the controller and the warning signal light, and the radar sensor detects the movement of the object and sends an electric signal to the controller, and the controller controls the warning signal light to turn on and off.

Preferably, the housing is provided with several inclined placing surfaces, and each placing surface is provided with a fixing interface for fixing the radar sensor and the warning signal lamp.

Preferably, the warning signal light is an LED two-color module.

Preferably, the warning signal light is connected in parallel with a voice, sound and light alarm, and the voice, sound and light alarm is located at the lower part of the housing.

Preferably, the number of the placing surfaces is four, and the shape of the housing is an inverted quadrangular prism.

Preferably, the radar sensor is a microwave Doppler radar sensor, and the controller is a programmable controller.

A control method for a radar intelligent safety warning signal light system, comprising the following steps,

(1) Using the stable transmission frequency of 24.125GHZ of the microwave Doppler radar sensor and the reflected wave of moving objects above 5CM/S, if there is an object moving close to the direction of the radar in the sensing area of the radar, the radar sensor will receive The reflected signal is processed by the radar circuit processor, and the corresponding current signal is output to make the micro relay in the radar sensor close, the normally open contact is closed, output high level, and the high level triggers the preset programmable controller program in

(2) The programmable controller outputs the required voltage at the corresponding output point, and the corresponding signal warning light forms a circuit and lights up;

(3) When moving objects in more than two directions approach the radar sensing area, the corresponding signal warning light is lit, and at the same time, the voltage output by the programmable controller makes the relay coil supply power, the relay pulls in, and triggers the sound and light of the voice The siren operates with a voice warning through the speaker.

Compared with the prior art, the present invention has the following advantages. It overcomes the limitations of weather, light intensity, angle, space dimension, etc. on the reflected light of the convex mirror, and can cover the monitoring area at 360°, and can give a stable and accurate warning signal. In order to avoid obstacles and travel safely.

Description of drawings

Fig. 1 is the structural representation of a kind of radar intelligent safety warning signal light of the present invention;

Fig. 2 is a schematic structural view of a red light module of a radar intelligent safety warning signal light of the present invention;

Fig. 3 is a structural schematic diagram of a yellow light module of a radar intelligent safety warning signal light of the present invention

Fig. 4 is a structural schematic diagram of a housing of a radar intelligent safety warning signal lamp of the present invention;

Fig. 5 is a structural block diagram of a radar intelligent safety warning signal light system of the present invention;

Fig. 6 is a circuit control logic diagram of the present invention.

In the figure: 1. Radar sensor; 2. Warning signal light; 3. Housing; 4. Placement surface; 5. Voice, sound and light alarm; 6. Fixed interface; 7. Red light module; 8. Yellow light module .

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing.

As shown in Figure 1, a radar intelligent safety warning signal lamp system includes a radar sensor 1, a controller, a power supply, a warning signal lamp 2 and a housing 3, and the radar sensor 1 and the warning signal lamp 2 are arranged on the housing 3 , the power supply is electrically connected to the radar sensor 1, the controller and the warning signal lamp 2, and the radar sensor 1 detects the movement of the object and sends an electric signal to the controller, and the controller controls the warning signal lamp 2 to switch on and off.

Preferably, the casing 3 is provided with several inclined placing surfaces 4 , and each placing surface 4 is provided with a fixing interface 6 for fixing the radar sensor 1 and the warning signal lamp 2 .

Preferably, the warning signal lamp 2 is an LED two-color module.

Preferably, the warning signal lamp 2 is connected in parallel with a voice, sound and light alarm 5 , and the voice, sound and light alarm 5 is located at the lower part of the housing 3 . The voice sound and light alarm 5 has a blue warning light, and when the voice sound and light alarm 5 was connected to sound, the blue warning light was on simultaneously.

Preferably, the number of the placing surfaces 4 is four, and the shape of the housing 3 is an inverted quadrangular prism.

Preferably, the radar sensor 1 is a microwave Doppler radar sensor 1, and the controller is a programmable controller.

A control method of a radar intelligent safety warning signal light 2 system, comprising the following steps,

(1) Using the stable transmission frequency of 24.125GHZ of the microwave Doppler radar sensor 1 and the reflected wave of moving objects with a speed above 5CM/S, if there is an object moving close to the direction of the radar in the sensing area of the radar, the radar sensor will 1 The received reflection signal is processed by the radar circuit processor, and the corresponding current signal is output to make the micro-relay in the radar sensor 1 close, the normally open contact is closed, output high level, and the high level triggers the preset possible programming the program in the controller;

(2) The programmable controller outputs the required voltage at the corresponding output point, and the corresponding signal warning light forms a circuit and lights up;

(3) When there are moving objects in more than two directions approaching the radar sensing area, the corresponding signal warning light is lit, and the voltage output by the programmable controller makes the relay coil supply power, the relay pulls in, and triggers the sound and light of the voice Siren 5 works, sends voice warning by loudspeaker.

The operating principle of a kind of intelligent safety warning signal light 2 of the present invention is, utilizes the stable emission operating frequency 24.125GHZ of microwave Doppler radar sensor 1 and to the reflected wave of moving object above the speed of 5CM/S (axial direction), in the radar If there is an object moving close to the direction of the radar in the sensing area, the radar receiver will process the reflected signal received by the radar circuit processor, and output the corresponding current signal to make the micro relay in the radar sensor 1 close, and the normally open contact Closed, output the required high level, the high level triggers the preset programming controller program, and outputs the required +24V voltage or 0V voltage at the corresponding output point (the value of the output voltage depends on the design of the two-color module Whether the power supply is a common cathode or a common anode), the corresponding signal warning lights form a loop and light up. When there are moving objects in more than two directions approaching the radar, the corresponding signal warning light is lit, and at the same time, the voltage output by the programming controller makes the relay coil powered, the relay pulls in, and triggers the voice sound and light alarm 5, through The speaker emits a specific voice alert and lights up a blue light. The sound and light warning has further strengthened the warning level, so that pedestrians and vehicles can identify different road conditions and pay attention to avoiding.

The radar intelligent safety warning signal light 2 of this solution can set different numbers of direction warnings according to the needs of various intersections. Taking the warning requirements of four directions at an intersection as an example, the warning signal light 2 can be equipped with radar sensors in four directions according to needs. device 1 to realize the coverage of the sensing area in four directions. The radar sensors 1 in each direction work independently to sense the radar reflection signal in the corresponding area, and the lighting sequence or color of the signal lights is controlled by the program of the programming controller.

The CW Doppler radar sensor (antenna) selects 24.125GHz as the transmission frequency, and uses the frequency difference between the transmitted and received signals to calculate the speed of the object through the formula. After mixing the reference signal and the echo signal, the dual-channel sensor outputs two intermediate frequency signals IF1 and IF2 with the same frequency amplitude and a phase difference of 90°. According to the signal type guided by the 90° phase, the direction of motion of the object can be identified (away from or close to), this warning light application, choose close to the radar as the identification direction.

The controller adopts programmable controller, which is the core component of this product. Through programming, the warning light can be effectively activated and the required signal can be turned on. The warning signal light 2 adopts the LED two-color module design, and a red light module 7 and a yellow light module 8 are respectively arranged on the same light board, which can display two kinds of warning pattern signals. This design greatly reduces the volume and occupied area of the lamp body, unique design, low power consumption and sufficient brightness, the warning signal is clear at a glance, elegant and practical.

Referring to Figure 6, the control logic of the programmable controller is as follows: the connected voltage is DC24V, and the wattage of each lamp is ≤4.8W as an example.

1. When contact 1 is closed, yellow light 1 is off, and yellow lights 2, 3, and 4 are on; when contact 2 is closed, yellow light 2 is off, and yellow lights 1, 3, and 4 are on. By analogy, when contacts 3 and 4 are closed, the yellow light of this number is off, and the yellow lights of other numbers are on;

2. When the contacts 1 and 2 are closed at the same time, the yellow lights of the same number are off, the red lights are on, and the other 3 and 4 yellow lights are also on. At the same time, the relay coil 5 is connected, and the voice alarm 5 sounds; similarly, When two arbitrary switches are closed, the yellow lights with the same number are off, the red lights with the same number are on, and at the same time, the yellow lights with the other two numbers are on, and the relay coil 5 is connected, and the voice, sound and light alarm 5 is started;

3. When contacts 1, 2, and 3 are closed at the same time, the yellow light with the same number is off, and the red light with the same number is lit. At the same time, the relay coil 5 is connected, and the voice, sound and light alarm 5 is activated; similarly, any three contacts When the point is closed, the yellow light with the same number is off, the red light is on, and the relay coil 5 is connected at the same time, and the voice, sound and light alarm 5 is started;

4. When the four contacts are closed at the same time, all the red lights are on, and at the same time, the relay coil 5 is connected, and the voice, sound and light alarm 5 is activated;

The power supply of this product adopts a regulated power supply, with stable output, low standby power consumption, long service life and small size. The housing 3 of the warning light has a unique design, which is not common in the market. The shape of the inverted square truss is more conducive to signal reception in the radar coverage area. The signal pattern is slightly inclined downward at an angle, which is suitable for placing the signal light at 5 meters or higher the height of. The intelligent safety warning signal light 2 has a special appearance design, is simple to install, easy to use, and flexible in applicable places.

The above descriptions are only preferred implementations of the present invention, and the scope of protection of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the scope of protection of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (7)

1. A radar intelligent safety warning signal lamp system is characterized in that: comprise radar sensor, controller, power supply, warning signal lamp and housing, described radar sensor and warning signal lamp are arranged on the housing, described power supply and radar The sensor, the controller and the warning signal lamp are electrically connected, and the radar sensor detects the movement of the object and sends an electric signal to the controller, and the controller controls the warning signal lamp to switch on and off. 2. A radar intelligent safety warning signal light system according to claim 1, characterized in that: the housing is provided with several inclined placement surfaces, each placement surface is provided with a radar sensor for fixing And the fixed interface of the warning signal lamp. 3. A radar intelligent safety warning signal light system according to claim 2, characterized in that: the warning signal light is an LED two-color module. 4. A radar intelligent safety warning signal lamp system according to claim 3, characterized in that: the warning signal lamp is connected in parallel with a voice, sound and light alarm, and the voice, sound and light alarm is located at the lower part of the housing. 5 . The radar intelligent safety warning signal light system according to claim 2 , wherein the number of said placing surfaces is 4, and the shape of said casing is an inverted square truss. 6 . 6. A radar intelligent safety warning signal light system according to claim 1, characterized in that: the radar sensor is a microwave Doppler radar sensor, and the controller is a programmable controller. 7. A control method for a radar intelligent safety warning signal light system, characterized in that: comprising the following steps, (1) Using the stable transmission frequency of 24.125GHZ of the microwave Doppler radar sensor and the reflected wave to the 5CM/S moving object, if there is an object moving close to the direction of the radar in the sensing area of the radar, the radar sensor receives the The reflected signal is processed by the radar circuit processor, and the corresponding current signal is output to make the micro-relay in the radar sensor close, the normally open contact is closed, output high level, and the high level triggers the preset programmable controller program; (2) The programmable controller outputs the required voltage at the corresponding output point, and the corresponding signal warning light forms a circuit and lights up; (3) When there are moving objects in more than two directions approaching the radar sensing area, the corresponding signal warning light is lit, and the voltage output by the programmable controller makes the relay coil supply power, the relay pulls in, and triggers the sound and light of the voice The siren operates with a voice warning through the speaker.