Self-powered electric leakage monitoring alarm device
By using a self-powered solar energy system and a leakage current detection unit, the problems of difficult long-distance wiring and electric shock hazards of leakage current alarms are solved, enabling leakage current monitoring and alarm under safe voltage, thus protecting equipment and personnel safety.
Patent Information
- Application Number
- CN202520413406.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing leakage current alarms rely on the equipment's power supply, which makes long-distance wiring difficult and poses a risk of electric shock, failing to effectively protect the safety of equipment and personnel in the field.
It adopts a self-powered solar power system, combined with a leakage current detection unit and an integrated sound and light alarm, to achieve leakage current monitoring and alarm at a safe voltage of 12V, avoiding long-distance wiring and electric shock hazards.
It enables real-time detection and alarm of equipment leakage in the field, protecting equipment safety, reducing line damage and noise pollution, and ensuring the safety of operators.
Smart Images
Figure CN223940967U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a leakage current monitoring and alarm device for field equipment, specifically a self-powered leakage current monitoring and alarm device. Background Technology
[0002] In the production and operation of field equipment such as oil fields, mines, and construction sites, accidents such as short circuits and short wires can easily occur, causing the equipment to become electrified and thus damaging the equipment. This can also easily lead to electric shock accidents that threaten the personal safety of workers.
[0003] Current leakage current alarms use a device power supply, which is generally 380V or 220V AC, a non-safe voltage. Sometimes the device is far from the power source, and the wiring is long, making the wiring easy to be damaged and posing a risk of electric shock. Utility Model Content
[0004] This utility model provides a self-powered leakage current monitoring and alarm device that can detect the leakage current of the grounding wire in real time and immediately sound an alarm when the equipment is energized; it has an independent solar power supply system with a system operating voltage of 12V safe voltage, effectively protecting the safety of the equipment and avoiding the danger of electric shock to the operator.
[0005] The technical solution of this utility model is as follows:
[0006] A self-powered leakage current monitoring and alarm device includes a bracket, a solar power supply system, a leakage current detection unit, and an integrated audible and visual alarm. The solar power supply system is mounted on the bracket, the leakage current detection unit is installed at the grounding wire of the well site equipment, and the integrated audible and visual alarm is mounted on the top of the bracket. The solar power supply system, the leakage current detection unit, and the integrated audible and visual alarm are connected by wires.
[0007] Furthermore, the self-powered leakage current monitoring and alarm device includes a solar power supply system comprising a solar panel, an electrical box, a controller, and a battery. The solar panel is located on the upper side of the support frame, the electrical box is located in the middle of the support frame, and the controller and battery are located inside the electrical box. The solar panel charges the battery through the controller.
[0008] Furthermore, the self-powered leakage current monitoring and alarm device includes a leakage current detection unit comprising a unit base and a top cover. The two ends of the unit base and the top cover are connected by bolts. A test hole is provided between the middle of the unit base and the top cover, and the test hole is used to insert the grounding wire of the well site equipment.
[0009] Furthermore, in the self-powered leakage current monitoring and alarm device, a remote control switch and a power indicator light are provided between the controller and the leakage current detection unit. The remote control switch is located inside the electrical box, and the power indicator light is located on the side wall of the electrical box.
[0010] Furthermore, in the self-powered leakage current monitoring and alarm device, the remote control switch is controlled by a remote controller.
[0011] The beneficial effects of this utility model are as follows:
[0012] 1. This utility model is applicable to leakage current monitoring and alarm of field equipment. It does not require the use of equipment power supply. The 12V solar system is self-powered, avoiding safety hazards such as line damage and electric shock caused by long-distance wiring.
[0013] 2. The cover of the leakage current detection unit of this utility model can be opened, which is convenient for on-site installation without disassembling any circuit of the equipment; it can detect the leakage micro current of the equipment grounding wire, and the detection value can be adjusted within the safe current range.
[0014] 3. This utility model can remotely control the power supply, and can remotely disconnect the alarm after a leakage alarm, thus reducing noise pollution. Attached Figure Description
[0015] Figure 1 Schematic diagram of a self-powered leakage current monitoring and alarm device;
[0016] Figure 2 This is a side view of the leakage current detection unit. Detailed Implementation
[0017] like Figure 1 , 2 As shown, a self-powered leakage current monitoring and alarm device includes a bracket 1, a solar power supply system, a leakage current detection unit, and an integrated audible and visual alarm 6. The solar power supply system is installed on the bracket 1, the leakage current detection unit is installed at the grounding wire 7 of the well site equipment, and the integrated audible and visual alarm 6 is installed at the top of the bracket 1. The solar power supply system, the leakage current detection unit, and the integrated audible and visual alarm 6 are connected by wires.
[0018] The solar power supply system includes a solar panel 5, an electrical box 4, a controller 3, and a battery 2. The solar panel 5 is located on the upper side of the support 1, the electrical box 4 is located in the middle of the support 1, and the controller 3 and the battery 2 are located inside the electrical box 4. The solar panel 5 charges the battery 2 through the controller 3.
[0019] The leakage current detection unit includes a unit base 9 and a top cover 8. The two ends of the unit base 9 and the top cover 8 are connected by bolts. A test hole 10 is provided between the middle of the unit base 9 and the top cover 8. The test hole 10 is used to insert the grounding wire 7 of the well site equipment.
[0020] The controller 3 is connected to the leakage current detection unit by a remote control switch 11 and a power indicator light 12. The remote control switch 11 is located inside the electrical box 4, and the power indicator light 12 is located on the side wall of the electrical box 4. The remote control switch 10 is controlled by a remote controller.
[0021] The working process is as follows: Solar panel 5 charges battery 2 through controller 3. Battery 2 is connected to remote control switch 11 through controller 3. Remote control switch 11 is controlled by remote control. Battery 2 supplies power to leakage detection unit through controller 3. Power indicator light 12 lights up and leakage detection unit works. When leakage detection unit detects leakage current reaching the alarm value, it supplies power to sound and light alarm 6, and the buzzer and flash alarm sound. When it is necessary to turn off sound and light alarm 6, remote control switch 10 is used to cut off power and stop the alarm.
Claims
1. A self-powered leakage current monitoring and alarm device, characterized in that, The device includes a support frame, a solar power supply system, a leakage current detection unit, and an integrated audible and visual alarm. The solar power supply system is mounted on the support frame, the leakage current detection unit is installed at the grounding wire of the well site equipment, and the integrated audible and visual alarm is located at the top of the support frame. The solar power supply system, the leakage current detection unit, and the integrated audible and visual alarm are connected by wires.
2. The self-powered leakage current monitoring and alarm device according to claim 1, characterized in that, The solar power supply system includes solar panels, an electrical box, a controller, and a battery. The solar panels are located on the upper side of the support frame, the electrical box is located in the middle of the support frame, and the controller and battery are located inside the electrical box. The solar panels charge the battery through the controller.
3. The self-powered leakage current monitoring and alarm device according to claim 1, characterized in that, The leakage current detection unit includes a unit base and a top cover. The two ends of the unit base and the top cover are connected by bolts. A test hole is provided between the middle of the unit base and the top cover. The test hole is used to insert the grounding wire of the well site equipment.
4. The self-powered leakage current monitoring and alarm device according to claim 2, characterized in that, A remote control switch and a power indicator light are provided between the controller and the leakage current detection unit. The remote control switch is located inside the electrical box, and the power indicator light is located on the side wall of the electrical box.
5. The self-powered leakage current monitoring and alarm device according to claim 4, characterized in that, The remote control switch is controlled by a remote controller.