Electric shock prevention sound-light alarm device for electric power facility

By combining environmental sensing with photosensitive sensors, temperature and humidity sensors, and lidar sensors, and switching between camera and lidar monitoring modes, it provides all-weather electric shock prevention alarms for power facilities, solving the problem of insufficient camera monitoring at night or in low light conditions, and achieving safe and reliable alarms around the clock.

CN224136644UActive Publication Date: 2026-04-17SHANDONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG UNIV
Filing Date
2024-01-30
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The monitoring performance of cameras in existing power facilities deteriorates at night or in low light conditions, making it impossible to achieve safe and reliable electric shock prevention alarms around the clock and in all weather conditions.

Method used

It uses photosensitive sensors and temperature and humidity sensors to sense environmental information, combined with cameras and lidar sensors for monitoring, and switches monitoring modes according to environmental conditions. It uses LED lights and voice prompts to issue alarms, achieving all-weather electric shock prevention alarms.

Benefits of technology

It enables efficient and reliable monitoring and timely alarm of power facilities under various environmental conditions, reducing the risk of electric shock and providing all-weather safety protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-electric shock acousto-optic alarm device for electric power facilities. The anti-electric shock acousto-optic alarm device comprises a data acquisition unit, a switching control unit, a data processing unit, an acousto-optic alarm unit and a power supply unit, the data acquisition unit comprises a camera and a laser radar sensor, the switching control unit comprises a photosensitive sensor, a temperature and humidity sensor and a first microprocessor, the data processing unit comprises a second microprocessor, the sound-light alarm unit comprises an angle-variable LED lamp and a voice prompt player, and the power supply unit comprises a storage battery. The photosensitive sensor and the temperature and humidity sensor are electrically connected with the first microprocessor, the first microprocessor is electrically connected with the camera and the laser radar sensor, the camera and the laser radar sensor are electrically connected with the second microprocessor, and the second microprocessor is electrically connected with the LED lamp and the voice prompt player. Different monitoring modes are selected according to environment information, all-weather anti-electric shock alarm is achieved, and personnel safety is effectively protected.
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Description

Technical Field

[0001] This utility model relates to the field of power facility safety technology, specifically to a power facility anti-electric shock audible and visual alarm device. Background Technology

[0002] The statements herein provide only background information related to this invention and do not necessarily constitute prior art.

[0003] The safety of power facilities is crucial to the reliability and stability of the power supply network. Power facilities pose a certain risk of leakage and electric shock, especially at night, in rainy weather, or under low light conditions. This risk increases significantly, potentially leading to power outages, equipment damage, safety accidents, and potential threats to maintenance personnel and the public. Therefore, electric shock warning systems for roadside power facilities are essential for the safety of personnel.

[0004] Cameras are typically used to monitor external objects around power facilities for electric shock warnings. While cameras perform well in daylight and good lighting conditions, they have limitations at night or in low light. Because cameras require sufficient light to capture clear images, their performance degrades significantly at night or in low light conditions. Furthermore, adverse weather conditions such as rain, snow, and fog can cause blurred or unclear camera views. Therefore, relying solely on cameras for electric shock prevention may not be sufficient for timely hazard detection and cannot achieve reliable 24 / 7 monitoring and alarms. Utility Model Content

[0005] To address the aforementioned problems and deficiencies in existing technologies, this utility model provides a power facility anti-electric shock audible and visual alarm device. It employs photosensitive sensors and temperature and humidity sensors to sense environmental information surrounding the power facility, and selects to monitor surrounding objects using a camera or lidar sensor based on this information. Based on the monitoring results, it issues an alarm, enabling anti-electric shock alarms for power facilities at night and in various weather conditions such as rain and snow. This provides all-weather, all-climate safe and reliable anti-electric shock alarms, effectively protecting personnel safety.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An audible and visual alarm device for preventing electric shock in power facilities includes a data acquisition unit, a switching control unit, a data processing unit, and an audible and visual alarm unit;

[0008] The data acquisition unit includes a camera and a lidar sensor; the switching control unit includes a photosensitive sensor, a temperature and humidity sensor and a first microprocessor; the data processing unit includes a second microprocessor; and the sound and light alarm unit includes a variable-angle LED light and a voice prompt player.

[0009] The photosensitive sensor and the temperature and humidity sensor are electrically connected to the first microprocessor, the first microprocessor is electrically connected to the camera and the lidar sensor, the camera and the lidar sensor are electrically connected to the second microprocessor, and the second microprocessor is electrically connected to the LED light and the voice prompt player.

[0010] A further technical solution is to install the electric shock prevention sound and light alarm device on the power facility.

[0011] In a further technical solution, the electric shock prevention sound and light alarm device for the power facility is installed on a pole, and the pole is located around the power facility.

[0012] In a further technical solution, the photosensitive sensor is used to sense the light intensity around the power facility and send the sensed light intensity to the first microprocessor;

[0013] The temperature and humidity sensor is used to sense the temperature and humidity around the power facility and send the sensed temperature and humidity to the first microprocessor;

[0014] The first microprocessor is used to compare light intensity, temperature and humidity with preset thresholds, and control the operation of the camera or lidar sensor based on the comparison results.

[0015] In a further technical solution, the camera is used to capture real-time images within a set range and transmit the real-time images to a second microprocessor;

[0016] The second microprocessor is used to identify target objects and their distances in real-time images, compare the distances with preset distances, generate alarm information based on the comparison results, and transmit the alarm information to the audible and visual alarm unit.

[0017] In a further technical solution, the lidar sensor includes a laser emitter and a laser receiver, used to collect distance information of target objects within a set range;

[0018] The second microprocessor is used to compare the distance information with a preset distance, generate alarm information based on the comparison result, and transmit the alarm information to the audible and visual alarm unit.

[0019] Further technical solutions also include remote communication units and remote terminals;

[0020] The data processing unit is electrically connected to the remote communication unit, and the remote communication unit is wirelessly connected to the remote terminal.

[0021] Further technical solutions also include data storage units;

[0022] The data storage unit is electrically connected to the data processing unit and is used to store and record the collected information and alarm information.

[0023] A further technical solution also includes a power supply unit, which is electrically connected to an external power source and electrically connected to the data acquisition unit, the switching control unit, the data processing unit, and the audible and visual alarm unit.

[0024] In a further technical solution, the power supply unit also includes a voltage transformer, which is used for voltage conversion.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] This invention provides a sound and light alarm device for preventing electric shock in power facilities. Utilizing lidar technology, it effectively overcomes the challenge of insufficient lighting, providing more comprehensive and robust safety protection for power facilities. It enables real-time monitoring of external objects around power facilities even at night or in low-light conditions, significantly reducing the risk of electric shock. Compared to traditional methods, this device makes monitoring more efficient and reliable, achieving all-weather electric shock monitoring and providing rapid and timely alarms, offering comprehensive protection for power facilities. Attached Figure Description

[0027] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0028] Figure 1 This is a schematic diagram of the structure of the electric shock prevention sound and light alarm device for power facilities described in this utility model;

[0029] Figure 2 This is a schematic diagram of the installation of the electric shock prevention sound and light alarm device for power facilities described in this utility model.

[0030] Among them, 1. camera; 2. lidar sensor. Detailed Implementation

[0031] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0032] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0033] like Figure 1 As shown, this utility model discloses an audible and visual alarm device for preventing electric shock in power facilities. The device is installed on the power facility and includes a data acquisition unit, a switching control unit, a data processing unit, an audible and visual alarm unit, and a power supply unit. The data acquisition unit includes a camera 1 and a lidar sensor 2 (an 80-line mechanical lidar is used in this embodiment). The switching control unit includes a photosensor, a temperature and humidity sensor, and a first microprocessor. The data processing unit includes a second microprocessor. The audible and visual alarm unit includes a variable-angle LED light and a voice prompt player.

[0034] Specifically, a photosensitive sensor and a temperature and humidity sensor are electrically connected to a first microprocessor, which in turn is electrically connected to a camera and a lidar sensor. The camera and lidar sensor are electrically connected to a second microprocessor, which is in turn connected to an LED light and a voice prompt player. The photosensitive sensor senses the light intensity around the power facility and sends this sensed intensity to the first microprocessor. The temperature and humidity sensor senses the temperature and humidity around the power facility and sends this information to the first microprocessor. The first microprocessor compares the light intensity, temperature, and humidity with preset thresholds and controls the camera or lidar sensor based on the comparison results. Specifically, when the light intensity is less than the preset threshold, it is considered to be nighttime or a cloudy day with insufficient light; or when the temperature and humidity are greater than the preset thresholds, it is considered to be rainy, snowy, or foggy. In these cases, the lidar sensor is activated for electric shock monitoring. Conversely, when the light intensity is greater than or equal to the preset threshold and the temperature and humidity are less than or equal to the preset thresholds, it is considered to be a sunny day with good lighting conditions. In this case, the camera is activated for electric shock monitoring.

[0035] The aforementioned camera is used to capture real-time images within a set range and transmit the real-time images to the second microprocessor. In this embodiment, the camera is a 360-degree panoramic camera to capture real-time images around the power equipment. The second microprocessor performs data analysis and processing, uses image recognition technology to identify people in the real-time images, and determines the distance between the identified people and the power facilities. Based on the comparison with a preset distance, corresponding alarm information is generated and transmitted to the sound and light alarm unit, i.e., sent to the LED lights and voice prompt player. The LED lights and voice prompt player are driven according to the alarm information, the LED lights turn red and the voice prompt player broadcasts a safety alarm sound.

[0036] The aforementioned lidar sensor includes a laser emitter and a laser receiver. The laser emitter emits laser pulses (usually infrared lasers), and the laser receiver receives the feedback laser pulses. Distance measurement is achieved by calculating the time required for the laser pulse to travel from emission to reflection from the target object. LiDAR is an active sensor capable of accurately measuring the position and shape of targets under various environmental conditions. This sensor features high accuracy and fast response time, and can operate in low-light conditions. The lidar sensor transmits the collected distance information to a second microprocessor. Similarly, the second microprocessor compares the current distance with a preset distance, generates a corresponding alarm message based on the comparison result, and transmits the alarm message to the audible and visual alarm unit, i.e., to LED lights and a voice prompt player. The LED lights and voice prompt player are activated based on the alarm message.

[0037] The above setup has two advantages. First, it utilizes cameras for monitoring, which can acquire high-precision real-time images over a wider area, effectively improving monitoring accuracy. Second, it uses lidar sensors, which can detect target objects within a certain range. This detection is unaffected by weather conditions or lighting conditions. Therefore, combining these two methods enables all-weather electric shock prevention monitoring. Furthermore, the entire monitoring process alternates between the two methods, avoiding energy waste from using both methods simultaneously. Third, considering that existing audible and visual warning devices mostly use cameras, it is sufficient to directly add lidar sensors, photosensors, temperature and humidity sensors, and a first microprocessor to the existing device, reducing the cost of device modification.

[0038] Furthermore, in the second microprocessor, the alarm level is determined based on the comparison between the distance to the target object and the preset distance, so as to provide different levels of warning.

[0039] As another implementation, the proposed device also includes a remote communication unit and a remote terminal. The data processing unit is electrically connected to the remote communication unit, and the remote communication unit is wirelessly connected to the remote terminal. The second microprocessor in the data processing unit sends alarm information to the remote terminal through the remote communication unit. Once an external object is detected approaching the power facility, an alarm will be triggered, and operators or relevant authorities will be notified to take necessary measures.

[0040] As another implementation, the proposed device also includes a data storage unit electrically connected to the data processing unit, specifically including a storage chip for storing and recording acquired information and alarm information, so as to facilitate subsequent analysis and improvement of system performance, and help to understand potential electric shock risk trends and formulate improvement strategies.

[0041] The aforementioned power supply unit is electrically connected to the data acquisition unit, the switching control unit, the data processing unit, and the audible and visual alarm unit. The power supply unit includes a battery for supplying power to the entire device.

[0042] In another implementation, the power supply unit also includes a solar panel that is electrically connected to a battery to store solar energy as electrical energy to power the entire device.

[0043] As another implementation, the power supply unit also includes a voltage transformer, which is electrically connected to an external power source. The voltage transformer converts the external 220V AC power into 5V and 12V DC power to power the entire device.

[0044] As another implementation, the proposed device is mounted on a pole located around the power facility to prevent leakage from the power facility from affecting the audible and visual alarm device.

[0045] like Figure 2 As shown, the specific working process of this utility model is as follows:

[0046] The electric shock prevention sound and light alarm device for power facilities is installed on the roadside power facilities, and the entire device is powered by a power supply unit.

[0047] After power-on, the photosensitive sensor senses the light intensity around the power facility and sends the sensed light intensity to the first microprocessor. The first microprocessor compares the light intensity with a preset light threshold and controls the operation of the camera or lidar sensor based on the comparison result.

[0048] When the light intensity is less than the preset light threshold, it is considered to be nighttime or a cloudy day with insufficient light. When the temperature and humidity are greater than the preset temperature and humidity thresholds, it is considered to be rainy, snowy, or foggy. In both cases, the lidar sensor is activated to perform electric shock monitoring. The lidar sensor collects the distance information of target objects within the set range and transmits the distance information to the second microprocessor. The second microprocessor compares the distance with the preset distance and generates corresponding alarm information based on the comparison result. The alarm information is then transmitted to the audible and visual alarm unit, where the LED lights and voice prompt player are activated according to the alarm information.

[0049] When the light intensity is greater than or equal to the preset light threshold and the temperature and humidity are less than or equal to the preset temperature and humidity thresholds, it is considered to be daytime with sufficient light. At this time, the camera is activated to perform electric shock monitoring. The camera captures real-time images within a set range and transmits the real-time images to the second microprocessor. The second microprocessor uses image recognition technology to identify target objects in the real-time images and determines the distance between the target objects and the power facilities. It compares the distance with the preset distance and generates corresponding alarm information based on the comparison result. The alarm information is then transmitted to the audible and visual alarm unit, where the LED lights and voice prompt player are activated according to the alarm information.

[0050] The audible and visual early warning device proposed in this invention employs lidar technology, enabling real-time monitoring of external objects around power facilities under low-light conditions. Based on data analysis, it provides audible and visual early warnings to reduce the risk of electric shock. The high-precision ranging and velocity measurement capabilities of the lidar sensor, combined with daytime camera-based monitoring and alarm functions, allow the device to provide more comprehensive all-weather environmental awareness and timely safety alarm measures.

[0051] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. A voice-light alarm device for electric power facilities to prevent electric shock, characterized in that, It includes a data acquisition unit, a switching control unit, a data processing unit, and an audible and visual alarm unit; The data acquisition unit includes a camera and a lidar sensor; the switching control unit includes a photosensitive sensor, a temperature and humidity sensor and a first microprocessor; the data processing unit includes a second microprocessor; and the sound and light alarm unit includes a variable-angle LED light and a voice prompt player. The photosensitive sensor and the temperature and humidity sensor are electrically connected to the first microprocessor, the first microprocessor is electrically connected to the camera and the lidar sensor, the camera and the lidar sensor are electrically connected to the second microprocessor, and the second microprocessor is electrically connected to the LED light and the voice prompt player.

2. The electric shock prevention voice-light alarm device for electric power facilities according to claim 1, wherein The electric shock prevention sound and light alarm device for power facilities is installed on the power facilities.

3. The power facility anti-electric shock audible and visual alarm device as described in claim 1, characterized in that, The electric shock prevention sound and light alarm device for the power facility is installed on a pole, which is located around the power facility.

4. The electric shock prevention voice-light alarm device for electric power facilities according to claim 1, wherein The photosensitive sensor is used to sense the light intensity around the power facility and send the sensed light intensity to the first microprocessor; The temperature and humidity sensor is used to sense the temperature and humidity around the power facility and send the sensed temperature and humidity to the first microprocessor; The first microprocessor is used to compare light intensity, temperature and humidity with preset thresholds, and control the operation of the camera or lidar sensor based on the comparison results.

5. The electric shock prevention voice and light alarm device for electric power facilities according to claim 1, wherein the alarm device is characterized in that, The camera is used to capture real-time images within a set range and transmit the real-time images to the second microprocessor; The second microprocessor is used to identify target objects and their distances in real-time images, compare the distances with preset distances, generate alarm information based on the comparison results, and transmit the alarm information to the audible and visual alarm unit.

6. The power facility anti-electric shock audible and visual alarm device as described in claim 1, characterized in that, The lidar sensor includes a laser transmitter and a laser receiver, used to collect distance information of target objects within a set range; The second microprocessor is used to compare the distance information with a preset distance, generate alarm information based on the comparison result, and transmit the alarm information to the audible and visual alarm unit.

7. The electric shock prevention voice and light alarm device for electric power facilities according to claim 1, wherein the alarm device is characterized in that, It also includes remote communication units and remote terminals; The data processing unit is electrically connected to the remote communication unit, and the remote communication unit is wirelessly connected to the remote terminal.

8. The electric shock prevention voice and light alarm device for electric power facilities according to claim 1, wherein the alarm device is characterized by comprising: a voice alarm unit; a light alarm unit; a power supply unit; a control unit; and a power supply unit. It also includes data storage units; The data storage unit is electrically connected to the data processing unit and is used to store and record the collected information and alarm information.

9. The electric shock prevention voice and light alarm device for electric power facilities according to claim 1, wherein the alarm device is characterized in that, It also includes a power supply unit, which is electrically connected to an external power source and is electrically connected to the data acquisition unit, the switching control unit, the data processing unit, and the audible and visual alarm unit.

10. The power facility anti-electric shock audible and visual alarm device as described in claim 9, characterized in that, The power supply unit also includes a voltage transformer, which is used for voltage conversion.