CN112255569A - High-voltage grounding wire body mounting detection method - Google Patents
High-voltage grounding wire body mounting detection method Download PDFInfo
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- CN112255569A CN112255569A CN202011146083.7A CN202011146083A CN112255569A CN 112255569 A CN112255569 A CN 112255569A CN 202011146083 A CN202011146083 A CN 202011146083A CN 112255569 A CN112255569 A CN 112255569A
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 21
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000011895 specific detection Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- 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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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Abstract
The invention provides a high-voltage grounding wire body mounting detection method, which comprises the following specific detection methods: rotating a clamping handle of the grounding clamp, and enabling the chuck to be in contact with the iron tower angle iron and move towards the direction of the point key pressing; the point key moves downwards under the action of external force to be contacted with the state detection circuit, and the iron tower angle iron is clamped under the combined action of the clamping handle; the two point keys form a loop in the sensing module circuit under the physical electrification action of the angle iron; the state detection circuit is communicated with the buzzer circuit, and when the state monitoring circuit is communicated, the buzzer circuit makes a sound to prompt that loop connection is completed; the state detection circuit is connected with the central console through a wireless network technology; the operation method is simple, the detection of the mounting state is more physical, the remote monitoring error caused by signal interference or other unknown reasons is avoided, and the reliability of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of high-voltage grounding, in particular to a high-voltage grounding wire body mounting detection method.
Background
In the electric power maintenance operation, the installation earth connection main objective is in order to release the residual current on the circuit, avoids the maintainer to electrocute. The principle that the residual current on the ground wire release line is through installing a copper ground wire between wire and circuit iron tower, because the iron tower is connected with the ground, if there is the residual current on the circuit like this, then according to the characteristic of electric current, the residual current can release to the ground through the ground wire, just so can release the residual current on the circuit totally to the electric shock accident also can not appear. If the grounding wire is loosened or missed to hang in the hanging process, the effect of releasing current cannot be achieved. It is therefore necessary to automatically check the mounting state of the ground wire in real time during the installation of the ground wire. According to investigation, the grounding wire widely used at present is a simple mechanical structure, and the automatic inspection of the mounting state cannot be realized, which means that a maintainer cannot determine whether the grounding wire is correctly mounted, and whether residual electricity exists on the circuit cannot be determined, and then the maintenance work is very dangerous under the condition. Aiming at the situation, a mounting/dismounting real-time detection function is designed on the novel intelligent sensing grounding wire, real-time monitoring of the use state of the grounding wire can be achieved without any other operation, and after the use state (mounting/dismounting) of the grounding wire is found to be changed, the intelligent sensing grounding wire can upload the current state to a background server, so that management and control of operation can be standardized.
The grounding wire is simply introduced: the conventional ground wire mainly includes four parts: the impact wire clamp is arranged on a power transmission line, and the grounding clamp is arranged on a power transmission iron tower.
Disclosure of Invention
The present invention is directed to a method for detecting a high-voltage grounding wire body mount, which overcomes or at least partially solves the above-mentioned problems, so as to solve the problem that the grounding device cannot effectively determine the loosening and installation state.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a method for detecting the mounting of a high-voltage grounding wire body, which comprises the following specific steps:
step one, rotating a clamping handle of a grounding clamp, and enabling a chuck to be in contact with iron tower angle iron and move towards a point key pressing direction;
secondly, the point pressing key moves downwards under the action of external force to be in contact with the state detection circuit, and the iron tower angle iron is clamped under the combined action of the clamping handle;
thirdly, two point keys form a loop in a sensing module circuit under the physical electrifying action of the angle iron;
fourthly, the state detection circuit is communicated with the buzzer circuit, and when the state monitoring circuit is communicated, the buzzer circuit makes a sound to prompt that the loop connection is finished;
and step five, connecting the state detection circuit with the central console through the wireless network module.
As a further scheme of the invention, the two point keys are of an elastic mounting structure and are connected with the sensing module circuit in a pressed state.
As a further scheme of the invention, one of the two point keys is connected with the battery pack, and the other point key is connected with the state detection circuit.
As a further scheme of the present invention, the state monitoring circuits are all provided with wireless communication chips, and the chips send out signals to prompt the central console when the state detection circuits are switched on or switched off.
As a further aspect of the present invention, the buzzer circuit is triggered when the state monitoring circuit is connected.
As a further scheme of the invention, the point arranged on the state detection circuit is connected with the trigger pin of the photoelectric coupler in a key mode.
The invention provides a high-voltage grounding wire body mounting detection method, which has the beneficial effects that: the intelligent sensing grounding wire mainly redefines the grounding clip on the grounding wire, so that the mechanical structure of the grounding wire is not changed, the use habit and the use mode of a user are not changed, and meanwhile, the intelligent control function is also added; on one hand, the correctness of operation can be effectively judged, the damage to operators caused by misoperation or speculative operation is avoided, on the other hand, the remote control of the grounding device can be realized through signal transmission, the on-off is timely judged, and corresponding safety response measures are made.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a mounting detection framework diagram provided in the embodiment of the present invention.
Fig. 2 is a circuit diagram of a photoelectric coupler according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a buzzer alarm feedback circuit provided in the embodiment of the present invention.
Fig. 4 is an internal structure diagram of the intelligent ground clip according to the embodiment of the present invention.
Fig. 5 is an overall structural diagram of the intelligent ground clip according to the 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. a contact copper sheet; 50. a control panel; 51. a battery pack.
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, in the detection method for detecting the wire body of the high-voltage ground wire according to the embodiment of the present invention, the connection of the circuit is realized through the plurality of detection contacts and the angle iron of the iron tower, and the connection and disconnection of the circuit are responded by using the physical energization property of the angle iron, so that the ground clip can judge whether the connection with the angle iron is loose or not and the connection time, and the specific detection method is as follows:
step one, rotating a clamping handle 11 of the grounding clamp to enable a clamping head 13 connected with the clamping handle 11 to be in contact with the iron tower angle iron and move towards a point key 30 direction, and clamping the angle iron between the clamping head 13 and a detection contact;
secondly, the point press key 30 moves downwards under the action of external force to be contacted with the state detection circuit, the iron tower angle iron is clamped under the combined action of the clamping handle 11, and the grounding clamp is also contacted with the angle iron;
step three, the physical electrifying function of the angle iron enables the two point keys 30 to form a loop under the function of the sensing module circuit, so that the state detection circuit is in a connected state, when the grounding clamp and the angle iron fall off, the point keys 30 have elasticity, bounce and are disconnected with the intelligent sensing module, so that a disconnected signal can be sent out to judge the looseness of the point keys, when a conductor connects the two point keys 30, the state detection circuit cannot be connected due to no extrusion, and a better judgment function is achieved;
fourthly, the state detection circuit is communicated with the buzzer circuit, when the state monitoring circuit is communicated, the buzzer circuit gives out a beep sound to prompt an operator that the state monitoring circuit is installed completely, the installation circuit is communicated normally, and the intelligent grounding device is judged to be effective in time;
and fifthly, the state detection circuits are connected with the central console through the wireless network module, each state detection circuit is provided with a wireless communication chip, the chips send signals to prompt the central console when the state detection circuits are switched on or switched off, time and positions are recorded, the effect of remote monitoring can be achieved, positive response is made to the on-off of the state detection circuits, on-site operators are prompted to be possibly dangerous, and the prior discharge preparation is made.
Preferably, the wireless network module comprises 4G, 5G and 6G.
Preferably, one of the two point keys 30 is connected to the battery pack, and the other point key 30 is connected to the state detection circuit, i.e. the state detection circuit can only be activated by adding a conductor between the two point keys 30.
As a method for judging the mounting state of the grounding device, the method can limit the standard operation of an operator, namely, only when the grounding device is mounted, the detection circuit is communicated, if the operation is convenient, the physical electrical model of the grounding clamp is given in a conductor insisting mode before mounting, the connector needs to be opened again when the grounding clamp is moved to an angle iron, and the alarm circuit can give an alarm to prevent illegal operation and avoid the electric shock risk of the operator.
As shown in fig. 2, the circuit diagram is a circuit loop of self-checking the grounding clip by the contact copper sheet 40, wherein the contact copper sheet 40 is electrically connected to one end of a light emitting diode in the photocoupler, the other end of the light emitting diode is connected to the battery pack 51, a common diode is installed between the photocoupler and the contact copper sheet 40, one end of a photosensitive device group in the photocoupler is grounded, the other end of the photosensitive device group is connected to a control power supply of the circuit, a capacitor is installed between the control chip and the ground, and the circuit starts the photocoupler when the contact clip touches the contact copper sheet 40, so as to wake up the circuit of the control chip; two elasticity monitoring contacts on the ground clamp form the return circuit through the angle bar, and 5V voltage on one of them some button 30 just shifts to another some button 30 on, and the later some button 30 is connected on the trigger foot of optoelectronic coupler on the control panel, just so can trigger optoelectronic coupler, and the signal of telecommunication gives the chip, if on the contrary do not contact the angle bar, then can not trigger optoelectronic coupler and send the signal of telecommunication.
As shown in fig. 3, the buzzer is connected to both the control chip and the battery pack 51, the buzzer circuit includes a triode, one end of the triode is connected to the control chip, the other end of the triode is grounded and connected to the buzzer, and the circuit of the buzzer is a circuit in the prior art and is not described herein in detail.
As shown in fig. 4 and 5, the intelligent grounding device is an apparatus for matching with the self-checking method, the grounding device includes a clamping body 10 and a housing 20 for sealing a control board 50, a connector 13 is disposed in the housing 20 in a penetrating manner, the connector 13 is made of copper, the connector 13 is connected with a grounding wire 61, the housing 20 is fixedly mounted with the connector 13, the housing 20 contains the control board 50 and a battery pack 51, a hole for mounting a contact copper sheet 40 is disposed on one side edge of the housing 20, the contact copper sheet 40 realizes the connection between the inside and the outside, the contact copper sheet 40 is connected with the control board 50 inside the housing 20 and is connected into a self-checking circuit, two movable point-press keys 30 are mounted between the clamping body 10 and the housing 20, the point-press keys 30 are mounted in a matching manner with a key switch 31, the key switch 31 is mounted in the control board 50, and the. The clamping body 10 is "concave" word structure, and the male clamping handle 11 is installed through the screw thread in clamping body 10 top, and the bottom of clamping handle 11 is provided with chuck 12, and the effect of clamping handle 11 through rotatory screw thread realizes the lift of chuck 12 to accomplish chuck 12 and to the centre gripping of metal, click key 30 is installed in the position with the contact of shell 20, makes click key 30 small and exquisite flexibility relatively, the operation of being convenient for.
The working principle is as follows: when a user carries the intelligent sensing grounding wire, the grounding clamp is tightly fixed on an angle iron of an iron tower through a fastening bolt, meanwhile, the state detection contacts made of two metal materials above the intelligent grounding clamp are tightly pressed by the angle iron, the intelligent module can detect that two elastic contacts are pressed down at the moment, but the situation that whether the grounding clamp is installed on the iron tower or two elastic contacts are pressed down due to manual operation cannot be determined, in order to avoid misjudgment of the possible situation, the intelligent sensing module can generate a safety voltage (5V) difference between the two contacts when detecting that the two state detection contacts are pressed down at the same time, and the intelligent sensing module is used for assisting state detection. Because iron tower angle bar and two elastic contact all are good conductors, the angle bar will form good return circuit with two state detection contacts like this, and intelligent perception module just can be accurate judgement earth connection be in the state of carrying like this, otherwise if the object electric conductivity that the state detected the contact of state of pushing down is not good, just can't form the return circuit, and intelligent perception module can detect that the earth connection carries at this moment abnormally or is in and demolishs the state.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A method for detecting the mounting of a high-voltage grounding wire body is characterized by comprising the following specific steps:
step one, rotating a clamping handle (11) of the grounding clamp, and enabling a clamping head (13) to be in contact with iron tower angle iron and move towards a point key (30);
secondly, the point key (30) moves downwards under the action of external force to be contacted with the state detection circuit, and clamps the angle iron of the iron tower under the combined action of the clamping handle 11;
thirdly, two point keys (30) form a loop in a sensing module circuit under the physical electrifying action of the angle iron;
fourthly, the state detection circuit is communicated with the buzzer circuit, and when the state monitoring circuit is communicated, the buzzer circuit makes a sound to prompt that the loop connection is finished;
and step five, connecting the state detection circuit with the central console through the wireless network module.
2. The method for detecting the wire body of the high-voltage grounding wire according to claim 1, wherein the two point buttons (30) are elastically mounted, and the point buttons (30) are electrically connected to the sensing module in a pressed state.
3. The method for detecting the wire body of the high-voltage grounding wire according to claim 1, wherein one of the two point keys (30) is connected with a battery pack, and the other point key (30) is connected with a state detection circuit.
4. The method according to claim 1, wherein the state monitoring circuits are each provided with a wireless communication chip, and the chips send a signal to prompt the central console when the state detection circuits are both turned on or off.
5. The method according to claim 1, wherein the buzzer circuit is triggered when the state monitoring circuit is connected.
6. The method for detecting the wire attachment of the high-voltage grounding wire according to claim 1, wherein a point button (30) installed on the state detection circuit is connected to a trigger pin of a photocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011146083.7A CN112255569B (en) | 2020-10-23 | High-voltage grounding wire body mounting detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011146083.7A CN112255569B (en) | 2020-10-23 | High-voltage grounding wire body mounting detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112255569A true CN112255569A (en) | 2021-01-22 |
| CN112255569B CN112255569B (en) | 2024-07-30 |
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Citations (10)
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|---|---|---|---|---|
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| GB9821676D0 (en) * | 1997-10-20 | 1998-12-02 | Hsueh Chang Y | Ground detector for a static grounding system |
| 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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| Title |
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