CN215641749U - Leakage current driving leakage early warning circuit - Google Patents
Leakage current driving leakage early warning circuit Download PDFInfo
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- CN215641749U CN215641749U CN202121591892.9U CN202121591892U CN215641749U CN 215641749 U CN215641749 U CN 215641749U CN 202121591892 U CN202121591892 U CN 202121591892U CN 215641749 U CN215641749 U CN 215641749U
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Abstract
The application provides a leakage current drive electric leakage early warning circuit includes: the early warning device comprises a first electrode, a second electrode, a rectifier diode, a charging capacitor and an early warning sending module; the first electrode is connected with the anode of the rectifier diode, and the second electrode is connected with the cathode of the rectifier diode; the output end of the rectifier diode is connected with the charging capacitor; the early warning sending module is connected with the charging capacitor in parallel, the charging capacitor is used for discharging and driving the early warning sending module, and the early warning sending module is used for sending a fault early warning signal. In the practical application process, when electric leakage occurs, the first electrode and the second electrode are used for collecting leakage current of the power equipment, the early warning sending module sends a fault early warning signal, the early warning sending module is not required to be powered on, energy taking is stable, the leakage current is prevented from driving the leakage current of the leakage early warning circuit, and the electric shock risk is prevented. And the circuit design that this application provided is simple, easily realizes.
Description
Technical Field
The application relates to the technical field of electric power system electric leakage early warning, in particular to a leakage current driving electric leakage early warning circuit.
Background
With the rapid development of social economy, people pay more attention to electricity safety. The electricity brings disasters to human beings while bringing benefits to the human beings. Statistics show that the proportion of electric shock accidents is large in industrial accidents. 1 person is electrocuted and dead after about 1.5 hundred million degrees of electricity is used in China; according to statistics, the electric fire accounts for about 20 percent of all the fires, and causes huge casualties and economic losses.
The grid structure of the low-voltage distribution network is complex, the power equipment is various, unified management standards and management means are lacked, the problems of power supply line aging, insulator damage and the like often occur, and therefore a device for timely early warning the electric leakage problem of the power facility is urgently needed. However, in the prior art, one difficulty that must be solved by the device for timely warning the electric leakage problem of the electric power facility is the power supply problem of the power supply, and the current mainstream power supply mode has the problems of unstable energy taking, large potential safety hazard, high cost, complex implementation mode and the like.
SUMMERY OF THE UTILITY MODEL
The application provides a leakage current drive leakage early warning circuit, has solved prior art, and the power supply mode of mainstream exists to get can unstably, and the potential safety hazard is big, technical problem such as with high costs realization mode complicacy.
The application provides a leakage current drive electric leakage early warning circuit includes: the early warning device comprises a first electrode, a second electrode, a rectifier diode, a charging capacitor and an early warning sending module;
the first electrode is connected with the anode of the rectifier diode, the second electrode is connected with the cathode of the rectifier diode, and the first electrode and the second electrode are used for collecting leakage current of power equipment;
the output end of the rectifier diode is connected with the charging capacitor, and the rectifier diode is used for charging the charging capacitor;
the early warning sending module is connected with the charging capacitor in parallel, the charging capacitor is used for discharging and driving the early warning sending module, and the early warning sending module is used for sending a fault early warning signal.
Optionally, the first electrode is a good conductor.
Optionally, the second electrode is a good conductor.
Optionally, the rectifier diode is a semiconductor device.
Optionally, the rectifier diode is an electric energy conversion combination device, and the electric energy conversion combination device is used for converting alternating current electric energy into direct current electric energy.
Optionally, the charging capacitor is a capacitor, and is used for supplying energy to the early warning sending module.
According to the technical scheme, the application provides a leakage current drives electric leakage early warning circuit, includes: the early warning device comprises a first electrode, a second electrode, a rectifier diode, a charging capacitor and an early warning sending module; the first electrode is connected with the anode of the rectifier diode, the second electrode is connected with the cathode of the rectifier diode, and the first electrode and the second electrode are used for collecting leakage current of power equipment; the output end of the rectifier diode is connected with the charging capacitor, and the rectifier diode is used for charging the charging capacitor; the early warning sending module is connected with the charging capacitor in parallel, the charging capacitor is used for discharging and driving the early warning sending module, and the early warning sending module is used for sending a fault early warning signal.
In the practical application process, when electric leakage occurs, the first electrode and the second electrode are used for collecting leakage current of the power equipment, the early warning sending module sends a fault early warning signal, the early warning sending module is not required to be powered on, energy taking is stable, the leakage current is prevented from driving the leakage current of the leakage early warning circuit, and the electric shock risk is prevented. And the circuit design that this application provided is simple, easily realizes.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a leakage current driving leakage warning circuit according to an embodiment of the present disclosure;
illustration of the drawings:
the early warning device comprises a first electrode 1, a second electrode 2, a rectifying diode 3, a charging capacitor 4 and an early warning sending module 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to solve the technical problems that in the prior art, a mainstream power supply mode is unstable in energy taking, large in potential safety hazard, complex in a high-cost implementation mode and the like, the application discloses a leakage current driving leakage early warning circuit through the following embodiments.
Referring to fig. 1, a schematic structural diagram of a leakage current driving leakage early warning circuit provided in an embodiment of the present application is shown, where the leakage current driving leakage early warning circuit includes: the device comprises a first electrode 1, a second electrode 2, a rectifier diode 3, a charging capacitor 4 and an early warning sending module 5.
In some embodiments of the present application, the first electrode 1 and the second electrode 2 are good conductors. Among them, from the thermal conductivity: the object good at heat conduction is called a good heat conductor, the object poor at heat conduction is called a bad heat conductor, the metal in the solid is a good heat conductor, and silver, copper and aluminum are all good conductors. From the viewpoint of conductivity: a branch conductor and an insulator. Such as metals, are generally good conductors. The strongest conductive property is silver, and the second is copper, aluminum and iron; the high-voltage wire is generally an aluminum wire with lower price and low density.
In some embodiments of the present application, the rectifier diode 3 is a semiconductor device. The semiconductor device is an electronic device with conductivity between a good conductor and an insulator, and can perform specific functions by utilizing the special electrical characteristics of semiconductor materials, and can be used for generating, controlling, receiving, converting, amplifying signals and performing energy conversion.
In some embodiments of the present application, the rectifier diode 3 is a power conversion combination device, and the power conversion combination device is used for converting ac power into dc power. The rectifier diode 3 can be any semiconductor device or combination thereof to realize the function of converting alternating current energy into direct current energy.
In some embodiments of the present application, the charging capacitor 4 is a capacitor, and is used to supply energy to the warning transmission module 55. Two conductors which are close to each other are sandwiched by a non-conductive insulating medium, and thus a capacitor is formed. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. When the capacitor is connected with a direct current power supply, the charges on the metal polar plate connected with the positive pole of the power supply can run to the metal polar plate connected with the negative pole of the power supply under the action of an electric field force, so that the metal polar plate connected with the positive pole of the power supply loses the positive charges and the metal polar plate connected with the negative pole of the power supply obtains the negative charges (the charges on the two metal polar plates are equal in size and opposite in sign), and the capacitor starts to be charged.
In some embodiments of the present application, the shape, size and placement of the first electrode 1 and the second electrode 2 are designed according to the energy required by the warning transmission module 5.
The first electrode 1 is connected with the anode of the rectifier diode 3, the second electrode 2 is connected with the cathode of the rectifier diode 3, and the first electrode 1 and the second electrode 2 are used for collecting leakage current of power equipment.
The output end of the rectifier diode 3 is connected with the charging capacitor 4, and the rectifier diode 3 is used for charging the charging capacitor 4.
The early warning sending module 5 is connected with the charging capacitor 4 in parallel, the charging capacitor 4 is used for discharging to drive the early warning sending module 5, and the early warning sending module 5 is used for sending a fault early warning signal.
Specifically, the first electrode 1 and the second electrode 2 collect leakage current of the power equipment, the other ends of the first electrode 1 and the second electrode 2 are respectively connected with the positive electrode and the negative electrode of the rectifier diode 3, the output end of the rectifier diode 3 is connected with the charging capacitor 4, direct current output by the rectifier diode 3 charges the charging capacitor 4, the early warning sending module 5 is connected with the charging capacitor 4 in parallel, the charging capacitor 4 discharges to drive the early warning sending module 5, and the early warning sending module 5 sends a fault early warning signal.
The application discloses a leakage current drive electric leakage early warning circuit utilizes power equipment self leakage current drive electric leakage early warning circuit, need not the external power source power supply, can provide stable DC power supply drive electric leakage early warning circuit. Meanwhile, the problems of leakage fault early warning and power supply are solved, energy is saved, and electric shock risks caused by leakage of an external power supply are effectively prevented.
According to the technical scheme, the application provides a leakage current drives electric leakage early warning circuit, includes: the device comprises a first electrode 1, a second electrode 2, a rectifier diode 3, a charging capacitor 4 and an early warning sending module 5; the first electrode 1 is connected with the anode of the rectifier diode 3, the second electrode 2 is connected with the cathode of the rectifier diode 3, and the first electrode 1 and the second electrode 2 are used for collecting leakage current of power equipment; the output end of the rectifier diode 3 is connected with the charging capacitor 4, and the rectifier diode 3 is used for charging the charging capacitor 4; the early warning sending module 5 is connected with the charging capacitor 4 in parallel, the charging capacitor 4 is used for discharging to drive the early warning sending module 5, and the early warning sending module 5 is used for sending a fault early warning signal.
In the practical application process, when electric leakage occurs, the first electrode 1 and the second electrode 2 are used for collecting leakage current of the power equipment, the early warning sending module 5 sends a fault early warning signal, the early warning sending module 5 is not required to be powered, the leakage current is prevented from driving the electric leakage of the electric leakage early warning circuit when energy taking is stable, and the electric shock risk is prevented. And the circuit design that this application provided is simple, easily realizes.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (6)
1. The utility model provides a leakage current drives electric leakage early warning circuit which characterized in that includes: the device comprises a first electrode (1), a second electrode (2), a rectifier diode (3), a charging capacitor (4) and an early warning sending module (5);
the first electrode (1) is connected with the positive electrode of the rectifier diode (3), the second electrode (2) is connected with the negative electrode of the rectifier diode (3), and the first electrode (1) and the second electrode (2) are used for collecting leakage current of power equipment;
the output end of the rectifier diode (3) is connected with the charging capacitor (4), and the rectifier diode (3) is used for charging the charging capacitor (4);
the early warning sending module (5) is connected with the charging capacitor (4) in parallel, the charging capacitor (4) is used for discharging and driving the early warning sending module (5), and the early warning sending module (5) is used for sending a fault early warning signal.
2. A leakage current driven leakage warning circuit according to claim 1, wherein the first electrode (1) is a good conductor.
3. A leakage current driven leakage warning circuit according to claim 1, wherein the second electrode (2) is a good conductor.
4. A leakage current driven leakage warning circuit according to claim 1, wherein the rectifying diode (3) is a semiconductor device.
5. A leakage current driven leakage warning circuit according to claim 1, wherein the rectifying diode (3) is a power conversion combination device for converting ac power to dc power.
6. A leakage current driven leakage warning circuit according to claim 1, wherein the charging capacitor (4) is a capacitor for energizing the warning transmission module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591892.9U CN215641749U (en) | 2021-07-14 | 2021-07-14 | Leakage current driving leakage early warning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591892.9U CN215641749U (en) | 2021-07-14 | 2021-07-14 | Leakage current driving leakage early warning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641749U true CN215641749U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121591892.9U Active CN215641749U (en) | 2021-07-14 | 2021-07-14 | Leakage current driving leakage early warning circuit |
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| Country | Link |
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| CN (1) | CN215641749U (en) |
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2021
- 2021-07-14 CN CN202121591892.9U patent/CN215641749U/en active Active
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