CN220691017U - Lightning protection on-line monitoring device - Google Patents
Lightning protection on-line monitoring device Download PDFInfo
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- CN220691017U CN220691017U CN202321839135.8U CN202321839135U CN220691017U CN 220691017 U CN220691017 U CN 220691017U CN 202321839135 U CN202321839135 U CN 202321839135U CN 220691017 U CN220691017 U CN 220691017U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 230000001012 protector Effects 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000005283 ground state Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of lightning protection monitoring and discloses a lightning protection on-line monitoring device which comprises a surge protector, wherein a high-precision digital collector is fixedly arranged at the bottom of the surge protector, a voltage-equalizing resistor is fixedly arranged on the upper surface of the surge protector, and a supporting frame is fixedly arranged on the upper surface of the voltage-equalizing resistor. The utility model is through the grounded resistance of the fixed installation of bottom of the high-accuracy digital collector, an important parameter used for measuring the ground state is the resistance that the electric current flows into another grounded body from the earthing device and then flows to the ground or diffuses to the distance from the ground, it includes the resistance of the ground wire and grounded body itself, contact resistance between grounded body and resistance of the ground, and the resistance of the ground between two grounded bodies or the ground resistance of grounded body to infinity; the magnitude of the ground resistance directly reflects how well the electrical device is in contact with ground, and also reflects the size of the ground grid.
Description
Technical Field
The utility model relates to the technical field of lightning protection monitoring, in particular to a lightning protection on-line monitoring device.
Background
Along with the rapid development of microelectronic technology, microelectronic systems such as communication, measurement, computer networks and the like, which use large-scale integrated circuits as cores, have been widely used in various fields of modern industry, agriculture, national defense, scientific education and people's life. In recent years, the paralysis of the system and the damage of equipment caused by lightning are, for example, losses of manpower and material resources which are not counted. Therefore, lightning disasters and lightning protection technologies have been widely paid attention to the society. The on-line monitor of the lightning arrester is one of key equipment of the electric equipment, the resistive current flowing through the lightning arrester is an important index for measuring the insulation degree of the lightning arrester, the insulation condition of the high-voltage electric equipment can be monitored in real time by carrying out real-time on-line monitoring on the total current, the resistive current, the capacitive current, the lightning stroke frequency and the lightning stroke time of the lightning arrester, meanwhile, potential faults of the lightning arrester can be found in time and important data basis is provided for state maintenance by analyzing monitoring data, and the safe, reliable, stable and economic operation of an electric power system is ensured.
When the lightning arrester on-line monitoring device is used, an operator can press an operation button in advance to set parameters, then the lightning arrester on-line monitoring device can be normally used after normal testing, but the operator can easily touch the operation button carelessly during the subsequent testing equipment, so that the set parameters are changed, the accuracy of monitoring values is affected, the operator is required to reset the parameters, the working efficiency of the operator is delayed, and the lightning arrester on-line monitoring device is heavy and inconvenient to carry.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the lightning protection on-line monitoring device which has the advantages of more accurate numerical value, manpower and material resource conservation, high efficiency and more convenient equipment transportation, and solves the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lightning protection on-line monitoring device, includes the surge protector, the bottom fixed mounting of surge protector has high accuracy digital collector, surperficial fixed mounting has the equalizing resistor on the surge protector, surperficial fixed mounting has the support frame on the equalizing resistor, one side outer wall fixed mounting of support frame has the voltmeter, one end outer wall fixed mounting that the voltmeter is close to the surge protector has the circuit, one end inner wall fixed mounting that the voltmeter was kept away from to the support frame has the electric box.
Preferably, the bottom of the high-precision digital collector is fixedly provided with a grounding resistor.
According to the technical scheme, the grounding resistor is an important parameter for measuring whether the grounding state is good or not, and is a resistor encountered when current flows into the ground from the grounding device and then flows to the other grounding body through the ground or diffuses to a far distance, and comprises the resistor of the grounding wire and the grounding body, the contact resistor between the grounding body and the resistor of the ground, and the resistor of the ground between the two grounding bodies or the ground resistor from the grounding body to infinity; the magnitude of the ground resistance directly reflects how well the electrical device is in contact with ground, and also reflects the size of the ground grid.
Preferably, a circuit fixedly installed on the outer wall of one end of the voltmeter, which is close to the surge protector, is connected with the high-precision digital collector.
Through the technical scheme, the data acquired by the high-precision digital acquisition unit are transmitted to the voltmeter through the circuit, the high-precision digital acquisition unit acquires a general sampling mode, namely, the data acquired by repeatedly acquiring the same point data at intervals of a certain time are mostly instantaneous values, and can also be a characteristic value in a certain period of time, and accurate data measurement is the basis of data acquisition.
Preferably, a digital display meter is arranged on the outer wall of one end, far away from the surge protector, of the voltmeter.
Through the technical scheme, the acquired data is transmitted to the digital display meter in a digital mode, so that the acquired data is more accurate, manpower and material resources are saved, and hidden danger brought to grounding equipment is reduced greatly.
Preferably, a protection gap is formed at the top of the support frame.
According to the technical scheme, the protection gap consists of the main gap and the auxiliary gap, and in order to prevent misoperation caused by short circuit of the main gap by an external object, the auxiliary gap is connected in series below the main gap so as to improve the reliability of power supply.
Preferably, the bottom of the supporting frame is provided with a shrinkage sleeve, an axial groove is formed in the outer wall of the shrinkage sleeve, a shaft rod is slidably connected to the shrinkage sleeve at the position of the axial groove, and a pulley is rotatably connected to the outer wall of the shaft rod.
According to the technical scheme, the pulley is driven to adjust the contraction of the pulley through the shaft rod which is slidably connected in the shaft groove, when the equipment is used, the contraction sleeve can be fixed and the support frame is moved to the top end of the shaft groove, so that the pulley is contracted and contracted, the equipment is fixed and the ground, and the stability of the equipment in operation is ensured; when the equipment is carried, the shaft lever is moved to the bottommost end of the shaft groove, so that the pulley extends out, and the pulley slides on the ground, thereby achieving more convenient equipment carrying.
Compared with the prior art, the utility model provides a lightning protection on-line monitoring device, which comprises the following components
The beneficial effects are that:
1. the utility model is through the grounded resistance of the fixed installation of bottom of the high-accuracy digital collector, an important parameter used for measuring the ground state is the resistance that the electric current flows into another grounded body from the earthing device and then flows to the ground or diffuses to the distance from the ground, it includes the resistance of the ground wire and grounded body itself, contact resistance between grounded body and resistance of the ground, and the resistance of the ground between two grounded bodies or the ground resistance of grounded body to infinity; the magnitude of the ground resistance directly reflects how well the electrical device is in contact with ground, and also reflects the size of the ground grid.
2. According to the utility model, the shaft rod which is slidably connected with the shaft groove can drive the pulley to adjust the contraction of the pulley, when the equipment is used, the contraction sleeve can be fixed and supported by the support frame, the shaft rod is moved to the top end of the shaft groove, so that the pulley is contracted and contracted, the equipment is fixed to the ground, and the stability of the equipment in operation is ensured; when the equipment is carried, the shaft lever is moved to the bottommost end of the shaft groove, so that the pulley extends out, and the pulley slides on the ground, thereby achieving more convenient equipment carrying.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the structure of the present utility model;
FIG. 3 is an enlarged partial schematic view of the structure of the present utility model, FIG. 1A.
Wherein: 1. a surge protector; 2. a high-precision digital collector; 3. equalizing resistance; 4. a support frame; 5. a voltmeter; 6. a line; 7. an electric box; 8. a ground resistor; 9. a digital display table; 10. a protection gap; 11. a shrink sleeve; 12. a shaft groove; 13. a shaft lever; 14. and (3) a pulley.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an on-line lightning protection monitoring device comprises a surge protector 1, a high-precision digital collector 2 is fixedly arranged at the bottom of the surge protector 1, a voltage equalizing resistor 3 is fixedly arranged on the upper surface of the surge protector 1, a supporting frame 4 is fixedly arranged on the upper surface of the voltage equalizing resistor 3, a voltmeter 5 is fixedly arranged on the outer wall of one side of the supporting frame 4, a circuit 6 is fixedly arranged on the outer wall of one end, close to the surge protector 1, of the voltmeter 5, and an electric box 7 is fixedly arranged on the inner wall of one end, far away from the voltmeter 5, of the supporting frame 4.
Specifically, the bottom of the high-precision digital collector 2 is fixedly provided with a grounding resistor 8. The grounding resistor 8 is an important parameter for measuring whether the grounding state is good or not, and is a resistor encountered when current flows into the ground from the grounding device and then flows to the other grounding body through the ground or diffuses to a far distance, and comprises the resistor of the grounding wire and the grounding body, the contact resistor between the grounding body and the resistor of the ground, and the resistor of the ground between the two grounding bodies or the ground resistor from the grounding body to infinity; the small ground resistance 8 directly reflects how well the electrical device is in contact with ground, and also reflects the size of the ground grid.
Specifically, a circuit 6 fixedly installed on the outer wall of one end of the voltmeter 5, which is close to the surge protector 1, is connected with the high-precision digital collector 2. The high-precision digital acquisition device has the advantages that data acquired by the high-precision digital acquisition device 2 are transmitted to the voltmeter 5 through the line 6, the high-precision digital acquisition device 2 acquires a general sampling mode, namely, the data of the same point are repeatedly acquired at intervals, the acquired data are mostly instantaneous values, the acquired data can also be a characteristic value in a certain period of time, and accurate data measurement is the basis of data acquisition.
Specifically, the outer wall of one end of the voltmeter 5 far away from the surge protector 1 is provided with a digital display meter 9. The digital display meter has the advantages that the collected data is transmitted to the digital display meter 9 in a digital mode, so that the collected data is more accurate, manpower and material resources are saved, and hidden danger brought to grounding equipment is reduced greatly.
Specifically, a protection gap 10 is formed at the top of the supporting frame 4. The protective gap 10 is composed of a main gap and an auxiliary gap, and the auxiliary gap is connected in series below the main gap to improve the reliability of power supply in order to prevent malfunction caused by short circuit of the main gap by an external object.
Specifically, the bottom of support frame 4 is provided with shrink sleeve 11, and shrink sleeve 11 outer wall has seted up axial slot 12, and shrink sleeve 11 is located the position sliding connection of axial slot 12 and has axostylus axostyle 13, and the outer wall rotation of axostylus axostyle 13 is connected with pulley 14. The telescopic pulley has the advantages that the pulley 14 can be driven by the shaft rod 13 which is in sliding connection with the shaft groove 12 to adjust the contraction of the pulley 14, when the equipment is used, the contraction sleeve 11 can be fixed with the support frame 4, the shaft rod 13 is moved to the top end of the shaft groove 12, the pulley 14 is contracted to recover the contraction sleeve 11, the equipment is fixed with the ground, and the stability of the equipment in operation is ensured; when the equipment is carried, the shaft lever 13 is moved to the bottommost end of the shaft groove 12, the pulley 14 extends out, and the pulley 14 slides on the ground, so that the equipment is carried more conveniently.
When in use, the grounding resistor 8 is connected with a grounding wire, so that the grounding wire is connected to a ground body, the testing direction and the distance are found during acquisition, measurement is carried out at different points, the average value is taken, and the acquired data is transmitted to the voltmeter 5 and the digital display meter 9 through the circuit 6 by the high-precision digital acquisition device 2; after the equipment process is finished, finally, the shaft rod 13 connected with the shrinkage sleeve 11 is moved to the bottommost end of the shaft groove 12, the pulley 14 extends out, and the equipment is transported by utilizing the sliding of the pulley 14 on the ground.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lightning protection on-line monitoring device, includes surge protector (1), its characterized in that: the high-precision digital acquisition device is characterized in that the high-precision digital acquisition device (2) is fixedly arranged at the bottom of the surge protector (1), the voltage-sharing resistor (3) is fixedly arranged on the upper surface of the surge protector (1), the support frame (4) is fixedly arranged on the upper surface of the voltage-sharing resistor (3), the voltmeter (5) is fixedly arranged on the outer wall of one side of the support frame (4), the circuit (6) is fixedly arranged on the outer wall of one end, close to the surge protector (1), of the voltmeter (5), and the electric box (7) is fixedly arranged on the inner wall of one end, far away from the voltmeter (5), of the support frame (4).
2. The lightning protection on-line monitoring device of claim 1, wherein: the bottom of the high-precision digital collector (2) is fixedly provided with a grounding resistor (8).
3. The lightning protection on-line monitoring device of claim 1, wherein: and a circuit (6) fixedly installed on the outer wall of one end of the voltmeter (5) close to the surge protector (1) is connected with the high-precision digital collector (2).
4. The lightning protection on-line monitoring device of claim 1, wherein: the outer wall of one end of the voltmeter (5) far away from the surge protector (1) is provided with a digital display meter (9).
5. The lightning protection on-line monitoring device of claim 1, wherein: the top of the supporting frame (4) is provided with a protection gap (10).
6. The lightning protection on-line monitoring device of claim 1, wherein: the support frame (4) bottom is provided with shrink sleeve (11), axle groove (12) have been seted up to shrink sleeve (11) outer wall, shrink sleeve (11) are located the position sliding connection of axle groove (12) have axostylus axostyle (13), the outer wall rotation of axostylus axostyle (13) is connected with pulley (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839135.8U CN220691017U (en) | 2023-07-13 | 2023-07-13 | Lightning protection on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839135.8U CN220691017U (en) | 2023-07-13 | 2023-07-13 | Lightning protection on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220691017U true CN220691017U (en) | 2024-03-29 |
Family
ID=90404851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321839135.8U Active CN220691017U (en) | 2023-07-13 | 2023-07-13 | Lightning protection on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220691017U (en) |
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2023
- 2023-07-13 CN CN202321839135.8U patent/CN220691017U/en active Active
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