CN112230164B - Self-checking method of intelligent grounding device - Google Patents
Self-checking method of intelligent grounding device Download PDFInfo
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- CN112230164B CN112230164B CN202011144672.1A CN202011144672A CN112230164B CN 112230164 B CN112230164 B CN 112230164B CN 202011144672 A CN202011144672 A CN 202011144672A CN 112230164 B CN112230164 B CN 112230164B
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- grounding
- circuit
- self
- control board
- control chip
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- 238000000034 method Methods 0.000 title claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000011895 specific detection Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Abstract
The invention provides a self-checking method of an intelligent grounding device, which is matched with the grounding device, and comprises the following steps: pressing two point pressing keys sequentially or simultaneously, opening a wake-up circuit, and controlling the wake-up circuit by a control chip; the control chip opens the relay to complete the physical connection between the grounding clamp and the two grounds of the control board; touching the striking clamp with the contact copper sheet, and sending out an electric signal by the photoelectric coupler; the photoelectric coupler is connected with the buzzer alarm circuit at the same time to give a buzzer prompt; the invention redefines the grounding clamp on the grounding wire, thus not changing the mechanical structure of the grounding wire, not changing the use habit and the use mode of the user, and simultaneously adding the intelligent control function, so that the grounding clamp has more functions and is more convenient to use.
Description
Technical Field
The invention relates to the technical field of power grid grounding self-detection, in particular to a self-detection method of an intelligent grounding device.
Background
In electric power overhauls the operation, the main objective of installation earth connection is in order to release the residual current on the drop line, avoids the maintainer to electrocute. The principle of releasing residual current on the line by the grounding wire is that a copper grounding wire is arranged between a wire and a line iron tower, because the iron tower is connected with the ground, if residual electricity exists on the line, the residual electricity can be released to the ground through the grounding wire according to the characteristics of the current, so that the residual current on the bar line can be released cleanly, and electric shock accidents can not occur. If a break point or aging occurs in the middle of the ground line, the current cannot be discharged. Therefore, it is necessary to perform safety inspection on the ground wire before installing the ground wire, but the ground wire widely used at present is of a simple mechanical structure, cannot realize self-detection, and must be detected by other equipment. According to investigation, each access point of the national network does not have equipment to detect the reliability of the grounding wire before the grounding wire is installed, so that a very large hidden danger point is formed, and aiming at the situation, a self-checking function is designed on the novel intelligent sensing grounding wire, the on-off detection of the grounding wire can be realized only by simple operation, and the self-checking action and the self-checking time can be uploaded to a background server, so that the management and control of standard operation are facilitated.
The grounding wire is simply introduced:
as shown in fig. 6, the conventional ground wire mainly includes four parts: the impact wire clamp, the insulating rope, the grounding wire lead and the jointing clamp are arranged on a power transmission line, and the grounding clamp is arranged on a power transmission tower.
The invention redefines the grounding clamp on the grounding wire, thus not changing the mechanical structure of the grounding wire, not changing the use habit and the use mode of the user, and simultaneously adding the intelligent control function, so that the grounding clamp has more functions and is more convenient to use.
Disclosure of Invention
The present invention aims to provide a self-checking method of an intelligent grounding device, which overcomes the above problems or at least partially solves the above problems, so as to solve the problem that the grounding clip cannot intelligently self-check the self-state.
In order to achieve the above purpose, the technical scheme of the invention is specifically realized as follows:
the invention provides a self-checking method of an intelligent grounding device, which is matched with the grounding device, and comprises the following steps:
step one, pressing two point pressing keys sequentially or simultaneously, opening a wake-up circuit, and controlling the wake-up circuit by a control chip;
step two, the control chip opens the relay to finish the physical connection of the grounding clamp and the two grounds of the control board;
thirdly, touching the impact clamp with the contact copper sheet, and sending out an electric signal by the photoelectric coupler;
and fourthly, the photoelectric coupler is connected with a buzzer alarm circuit at the same time to give a buzzer prompt.
As a further scheme of the invention, the intelligent grounding device comprises a control board for mounting various electronic elements, wherein the control board is respectively connected with the point keys, the contact copper sheets and the connectors through circuits, and a control chip for logic judgment is mounted in the control board.
As a further aspect of the present invention, when two of the point presses are pressed, the key switches are closed at the same time.
As a further scheme of the invention, one end of the control chip pin is connected with the battery pack through the coil, the battery pack provides an internal power supply for sending out signals by the control panel, and the battery pack also provides power for the photoelectric coupler.
As a further scheme of the invention, the buzzer is connected with the control chip and the battery pack, the buzzer circuit comprises a triode, one end of the triode is connected with the control chip, and the other end of the triode is respectively grounded and connected with the buzzer.
The invention provides a self-checking method of an intelligent grounding device, which has the beneficial effects that: the invention redefines the grounding clamp on the grounding wire, thus not changing the mechanical structure of the grounding wire, not changing the use habit and the use mode of the user, and simultaneously adding the intelligent control function, so that the grounding clamp has more functions and is more convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a circuit diagram of a detection sensor according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of an optocoupler according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a buzzer control according to an embodiment of the present invention.
Fig. 4 is a schematic view of an internal structure of a grounding clip according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an overall structure of a grounding clip according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of an overall structure of a grounding clip according to an embodiment of the present invention.
In the figure: 10. a clamping body; 11. a clamping handle; 12. a chuck; 13. a joint; 20. a housing; 30. clicking a key; 31. a key switch; 40. contacting the copper sheet; 50. a control board; 51. a battery pack; 60. a ground clip; 61. a ground wire; 62. a strike clamp; 63. an insulating rope.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1 to 5, the self-checking method of the intelligent grounding device provided by the embodiment of the invention is matched with the intelligent grounding device, the intelligent grounding device comprises a control board 50 for installing various electronic components, the control board 50 is respectively connected with a click key 30, a contact copper sheet 40 and a joint 13 through circuits, a control chip for logic judgment is installed in the control board 50, the control chip enables the circuits in the control board 50 to be in an awake state and an off state through external actions, and the self-checking method comprises the following steps:
step one, pressing two point pressing keys 30 sequentially or simultaneously to enable the point pressing keys 30 to be in contact with a key switch 31 to open a wake-up circuit, when the two point pressing keys 30 are in an open state with the key switch 31, the wake-up circuit is opened, when the point pressing keys 30 are started, an electrical signal is sent out through a distance sensor and is transmitted to a control chip through the circuit, and the control chip controls the wake-up circuit;
step two, the control chip receives signals to open the relay through electric pulse, the relay is arranged on the control board 50 and is connected with the control board through a circuit, the execution action of the relay connects the grounding clamp 60 with a grounding wire on the control board 50, and the step one and the step two complete the physical connection of the grounding clamp 60 with two grounds of the control board 50;
step three, touching the strike clamp 62 with the contact copper sheet 40, wherein the self-checking circuit forms a complete loop, no break point exists in the loop, and the photoelectric coupler sends out an electric signal, so that an operator can judge whether the circuit under the action forms a complete loop, if the break point exists in the loop, the photoelectric coupler does not send out an electric signal, and the break point exists in the loop can be judged;
and fourthly, the photoelectric coupler is connected with the buzzer alarm circuit at the same time, and when the photoelectric coupler sends out an electric signal, the electric signal is prompted by the buzzer of the terminal of the buzzer alarm circuit, so that an operator is in a normal on state when guiding the operation to be completed.
As shown in the circuit diagram of fig. 1, the MCU-IO is a control chip pin, K1 is a relay, GND is a ground line of the control board 50, one end of the control chip pin is connected to the battery pack 51 through a coil, the battery pack 51 provides an internal power source for sending signals from the control board 50, the internal power source usually adopts a voltage of 5V, the battery pack 51 also provides power for the photocoupler, so that the photocoupler can send out an instant electrical signal to prompt the operator to finish the operation, the ground clip 60 is grounded in the figure, and the control chip pin is grounded.
As shown in fig. 2, the circuit diagram is a circuit loop for self-checking the grounding clamp of the contact copper sheet 40, wherein the contact copper sheet 40 is electrically connected with one end of a light emitting diode in the photoelectric coupler, the other end of the light emitting diode is connected with the battery pack 51, a common diode is arranged between the photoelectric coupler and the contact copper sheet 40, one end of a photosensitive device group in the photoelectric coupler is grounded, the other end of the photosensitive device group is connected with a control power supply of the circuit, a capacitor is arranged between the control chip and the ground, and when the impact clamp 62 is contacted with the contact copper sheet 40, the circuit starts the photoelectric coupler, so that the circuit of the control chip is awakened.
As shown in fig. 3, the buzzer is connected with the control chip and the battery pack 51, the buzzer circuit includes a triode, one end of the triode is connected with the control chip, the other end of the triode is respectively grounded and connected with the buzzer, and the circuit of the buzzer is a circuit in the prior art, and will not be described in detail herein.
As shown in fig. 4 and 5, the intelligent grounding device is equipment matched with the self-checking method, the grounding device comprises a clamping body 10 and a shell 20 for sealing a control panel 50, a connector 13 is arranged in the shell 20 in a penetrating way, the connector 13 is made of copper, the connector 13 is connected with a grounding wire 61, the shell 20 is fixedly installed with the connector 13, the shell 20 internally comprises the control panel 50 and a battery pack 51, a hole for installing a contact copper sheet 40 is arranged on one side edge of the shell 20, the contact copper sheet 40 realizes connection inside and outside, the contact copper sheet 40 is connected with the control panel 50 in the shell 20 and is connected into a self-checking circuit, two movable point-pressing keys 30 are installed between the clamping body 10 and the shell 20, the point-pressing keys 30 are matched with a key switch 31, the key switch 31 is installed in the control panel 50, and the key switch 31 is connected into a wake-up circuit. The clamping body 10 is of a concave structure, the top end of the clamping body 10 is provided with an inserted clamping handle 11 through threads, the bottom of the clamping handle 11 is provided with a clamping head 12, the clamping handle 11 realizes the lifting of the clamping head 12 through the action of rotating threads, so that the clamping of the clamping head 12 to metal is completed, and the click key 30 is arranged at a position contacted with the shell 20, so that the click key 30 is relatively small and flexible and is convenient to operate.
As shown in fig. 6, the structure of the grounding device in the prior art comprises a grounding clip 60 and an impact clip 62 which are arranged at two ends of a grounding wire 61, wherein an insulating rope 63 is arranged on the impact clip 62, the structure of the original grounding device is not changed, and the grounding clip 60 is changed in structure, so that the operation and the use are convenient.
The invention improves the grounding clamp of the grounding device, so that the grounding clamp not only has the function of electric conduction, but also can carry out intelligent comprehensive self-detection on the grounding device, and the self-detection aims to avoid the break point of the grounding device caused in transportation or production, and the grounding device with the break point cannot play the role of grounding, so that the residual current in the power equipment cannot be released, the risk of electric shock is further caused, and the grounding device can be detected to be in an intact grounding state when the grounding device is installed in the power equipment, thereby avoiding the risk.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (5)
1. A self-checking method of an intelligent grounding device is characterized in that the self-checking method is matched with the grounding device, the grounding device comprises a clamping body (10) and a shell (20) for sealing a control board (50), a joint (13) is arranged in the shell (20) in a penetrating manner, the joint (13) is made of copper materials, the joint (13) is connected with a grounding wire (61), the shell (20) is fixedly arranged with the joint (13), the shell (20) internally comprises the control board (50) and a battery pack (51), a hole for installing a contact copper sheet (40) is arranged on one side edge of the shell (20), the contact copper sheet (40) is connected with the control board (50) in an internal and external manner and is connected into a self-checking circuit, two movable point keys (30) are arranged between the clamping body (10) and the shell (20), the point keys (30) are matched with a key switch (31), the key switch (31) is arranged in the control board (50), the key switch (31) is connected into a wake-up circuit, the clamping body (10) is provided with a concave structure, the clamping handle (11) is arranged at the bottom of the clamping body (10), the clamping handle (11) realizes the lifting of the clamping head (12) through the action of the rotating screw threads, so that the clamping of the clamping head (12) to metal is completed, and the point pressing key (30) is arranged at a position contacted with the shell (20), so that the point pressing key (30) is relatively small and flexible, and is convenient to operate;
the device also comprises a grounding clamp (60) and an impact clamp (62) which are arranged at two ends of the grounding wire (61), wherein an insulating rope (63) is arranged on the impact clamp (62);
the contact copper sheet (40) is electrically connected with one end of a light emitting diode in the photoelectric coupler, the other end of the light emitting diode is connected with the battery pack (51), a common diode is arranged between the photoelectric coupler and the contact copper sheet (40), one end of a photosensitive device group in the photoelectric coupler is grounded, the other end of the photosensitive device group is connected with a control power supply of the circuit, and a capacitor is arranged between the control chip and the ground;
the specific detection method comprises the following steps:
step one, pressing two point pressing keys (30) successively or simultaneously, opening a wake-up circuit, and controlling the wake-up circuit by a control chip;
step two, the control chip opens the relay to finish the physical connection of the two grounds of the grounding clamp (60) and the control board (50);
thirdly, touching the impact clamp (62) with the contact copper sheet (40), and sending out an electric signal by the photoelectric coupler;
and fourthly, the photoelectric coupler is connected with a buzzer alarm circuit at the same time to give a buzzing prompt.
2. The self-inspection method of an intelligent grounding device according to claim 1, wherein the intelligent grounding device comprises a control board (50) for mounting various electronic components, the control board (50) is respectively connected with a point key (30), a contact copper sheet (40) and a joint (13) through a circuit, and a control chip for logic judgment is mounted in the control board (50).
3. The self-checking method of an intelligent grounding device according to claim 1, wherein when two of said point-pressing keys (30) are pressed, a key switch (31) is closed at the same time.
4. The self-checking method of the intelligent grounding device according to claim 1, wherein one end of the control chip pin is connected with a battery pack (51) through a coil, the battery pack (51) provides an internal power supply for a signal sent by a control board (50), and the battery pack (51) also provides power for the photoelectric coupler.
5. The self-checking method of an intelligent grounding device according to claim 1, wherein the buzzer is connected with the control chip and the battery pack (51), the buzzer circuit comprises a triode, one end of the triode is connected with the control chip, and the other end of the triode is respectively grounded and connected with the buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144672.1A CN112230164B (en) | 2020-10-23 | 2020-10-23 | Self-checking method of intelligent grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144672.1A CN112230164B (en) | 2020-10-23 | 2020-10-23 | Self-checking method of intelligent grounding device |
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| Publication Number | Publication Date |
|---|---|
| CN112230164A CN112230164A (en) | 2021-01-15 |
| CN112230164B true CN112230164B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011144672.1A Active CN112230164B (en) | 2020-10-23 | 2020-10-23 | Self-checking method of intelligent grounding device |
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| CN (1) | CN112230164B (en) |
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| DE20312254U1 (en) * | 2003-08-08 | 2004-12-16 | Weidmüller Interface GmbH & Co. KG | Earthing device for a tool or implement, comprises a crocodile clip and earthing cable for connecting to the implement and a display attached to distal cable end that indicates when a correct earth has been established |
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| CN112230164A (en) | 2021-01-15 |
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