CN220543030U - Ground resistance check out test set - Google Patents
Ground resistance check out test set Download PDFInfo
- Publication number
- CN220543030U CN220543030U CN202322112237.6U CN202322112237U CN220543030U CN 220543030 U CN220543030 U CN 220543030U CN 202322112237 U CN202322112237 U CN 202322112237U CN 220543030 U CN220543030 U CN 220543030U
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- box body
- box
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- waterproof
- hole
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- 238000012360 testing method Methods 0.000 title description 3
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000006698 induction Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004224 protection Effects 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses grounding resistance detection equipment, which comprises a box body and a box cover, wherein the box body is used for installing a battery, a PCB (printed circuit board) and a 4GFPC antenna, a circle of waterproof protruding edges are arranged at the top of the box body, a waterproof groove used for accommodating the waterproof protruding edges is formed in the bottom side of the box cover, a first thread installation hole is formed in the part, located outside the waterproof protruding edges, of the box body, a second thread installation hole is also formed in the bottom side of the box cover, corresponding to the first thread installation hole of the box body, the second thread installation hole is a blind installation hole, fixing lugs are arranged on the upper side and the lower side of the box body, a fixing hole is formed in each fixing lug, an accommodating box used for installing a magnetic induction coil of an integrated detection magnetic head is arranged on the other side of the box body, a through hole for allowing a grounding wire to penetrate is formed in the accommodating box, a waterproof cylinder is arranged corresponding to the through hole, and a wiring hole is formed in the side wall, adjacent to the accommodating box body. The device is convenient and quick to install, can stably detect the resistance of the grounding cable in real time, and improves the lightning protection effect.
Description
Technical Field
The utility model relates to the technical field of lightning protection, in particular to ground resistance detection equipment.
Background
When the ground wires of the current petroleum and petrochemical systems and building objects are subjected to resistance detection, most of the ground wires are manually tested for the resistance value of the ground resistance by adopting a jaw resistance testing instrument. Such a detection method has the following disadvantages: the lightning rod is abnormal in grounding, if the lightning rod is found in time, major safety accidents and serious economic losses can be caused, and if the lightning rod is abnormal in grounding, a dangerous source cannot be found in time; the manual detection efficiency is low, the period is long, and the input cost is high.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and particularly provides ground resistance detection equipment which is convenient and rapid to install, can stably detect the resistance of a ground cable in real time and improves the lightning protection effect.
In order to achieve the above purpose, the utility model provides a ground resistance detection device, which comprises a box body and a box cover, wherein the box body is used for installing a battery, a PCB (printed Circuit Board) and a 4GFPC antenna, a circle of waterproof ribs are arranged at the top of the box body, a waterproof groove for accommodating the waterproof ribs is arranged at the bottom side of the box cover, a first thread installation hole is arranged at the part, which is positioned outside the waterproof ribs, of the box body, a second thread installation hole is also arranged on the bottom side of the box cover, which corresponds to the first thread installation hole of the box body, the second thread installation hole is a blind installation hole, and the box body and the box cover are installed through bolts which are simultaneously installed in the first thread installation hole and the second thread installation hole;
the utility model discloses a magnetic induction coil detection device, including box body, fixed journal stirrup, the box body is outer, the upper and lower both sides all are equipped with fixed journal stirrup, every fixed journal stirrup is last all offered the fixed orifices, the other one side of box body is equipped with the box that holds that is used for installing the magnetic induction coil of integral type detection magnetic head, it is equipped with the through-hole that supplies the ground wire to pass to hold on the box to correspond the through-hole and be equipped with waterproof drum, the coil also overcoat is on waterproof drum, the box body has seted up on the adjacent lateral wall of box with holding, the circuit of integral type detection magnetic head penetrates in the box body from walking the line hole and is connected with the PCB circuit board, one side that holds the box is equipped with the magnetic induction coil opening that is used for putting into, the opening part that holds the box is equipped with sealed waterproof structure.
In the scheme, the method comprises the following steps: the sealing waterproof structure realizes sealing in a mode of filling glue into the accommodating box, improves sealing effect, and can fix a circuit of the integrated detection magnetic head.
In the scheme, the method comprises the following steps: the box body is internally provided with a U-shaped baffle plate which is arranged right to the wiring hole and surrounds the wiring hole therein through the U-shaped baffle plate, the bottom of the U-shaped baffle plate is fixedly connected with the bottom of the box body, and the height of the U-shaped baffle plate is not lower than the height of the accommodating box. The U-shaped baffle that sets up can prevent as far as possible that sealed glue from getting into other positions of box body, avoids damaging battery, PCB circuit board and 4GFPC antenna.
In the scheme, the method comprises the following steps: the fixed lugs are arranged against the bottom of the box body.
In the scheme, the method comprises the following steps: every fixed orifices on the fixed journal stirrup is a pair of, and the fixed orifices is the bar hole, the box body is equipped with the staple bolt that is used for installing on ground stand, the both ends of staple bolt are fixed respectively on a pair of fixed orifices of fixed journal stirrup, and the staple bolt of setting is convenient for install on the spot, need not to receive near the restriction that the object must have the mounting hole, and the installation is more nimble.
In the scheme, the method comprises the following steps: the box body is provided with a mounting bracket fixed on the ground, and the box body is fixed on the mounting bracket through a hoop.
In the scheme, the method comprises the following steps: the mounting bracket is L-shaped, the transverse part of the L-shaped mounting bracket is fixed on the ground, and the box body is fixed on the vertical part of the L-shaped mounting bracket through the anchor ear.
In summary, the beneficial effects of the utility model are as follows: the dangerous source can be found timely, the manual measuring links are reduced, the efficiency is improved, the treatment of the dangerous source is monitored in a closed loop mode, and the safety of the building and the gas station is guaranteed. The waterproof ribs and the waterproof grooves can prevent water from entering the box body and the box cover, so that equipment is prevented from being damaged. The fixed lugs are used for being fixed on an external object, the waterproof cylinder is used for allowing the grounding cable of the lightning rod to pass through, so that the resistance of the grounding cable is detected through the magnetic induction coil, accidents are avoided, and personal safety and property in a building are guaranteed
Drawings
FIG. 1 is a perspective view of a cartridge of the present utility model;
FIG. 2 is a perspective view of the lid of the present utility model;
FIG. 3 is a perspective view of the assembled body and lid of the present utility model;
FIG. 4 is a schematic view of a first fastening means of the case and the case cover according to the present utility model;
FIG. 5 is a perspective view of a second fastening means for the case and the cover of the present utility model;
FIG. 6 is a perspective view of a third fastening means for the case and the cover of the present utility model;
FIG. 7 is a system diagram of the present utility model;
fig. 8 is a schematic circuit diagram of the present utility model.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 8, a ground resistance detection device comprises a box body 1 and a box cover 2, wherein a battery, a PCB circuit board and a 4GFPC antenna are installed in the box body 1. The box body 1 and the box cover 2 are made of PPS and glass fibers, so that ultraviolet resistance and high and low temperature working capacity can be improved, and the service life is prolonged.
The top of the box body 1 is provided with a circle of waterproof ribs 1e, and the bottom side of the box cover 2 is provided with waterproof grooves 2b for accommodating the waterproof ribs 1 e. The box body 1 is provided with first thread mounting holes 1d by four corners thereof, the bottom side of the box cover 2 is also provided with second thread mounting holes 2a corresponding to the first thread mounting holes 1d of the box body 1, and the installation is realized through bolts sequentially connecting the first thread mounting holes 1d and the second thread mounting holes 2a from the bottom of the box body 1. Specifically, waterproof bead 1e is close to the cavity setting of box body 1, and first screw thread mounting hole 1d is located waterproof bead 1e outward, can further improve the water-proof effects. The second threaded mounting hole 2a is a mounting blind hole.
The upper and lower both sides outside the box body 1 all lean on the bottom to be equipped with fixed journal stirrup 1b, have all seted up a pair of fixed orifices 1c on every fixed journal stirrup 1b, and fixed orifice 1c is the bar hole. The box body 1 is equipped with the staple bolt 4 that is used for installing on ground stand, and the both ends of staple bolt 4 are fixed respectively on fixed journal stirrup 1 b's a pair of fixed orifices 1c, and the staple bolt of setting is convenient for install on the spot, need not to receive the restriction that nearby object must have the mounting hole, and the installation is more nimble. The fixed lugs 1b are arranged near the bottom of the box body 1.
The box 1 is equipped with a mounting bracket b fixed on the ground, and the box 1 is fixed on the mounting bracket b by a hoop 4. The mounting bracket b may be a straight fixing piece as shown in fig. 5, the bottom of the fixing piece is inserted into the ground to fix, and the box body 1 is fixed on the fixing piece through the anchor ear 4.
The mounting bracket b can also be L-shaped as shown in fig. 6, the transverse part of the L-shaped mounting bracket b is fixed on the ground, and the box body 1 is fixed on the vertical part of the L-shaped mounting bracket b through the anchor ear 4.
Of course, as shown in fig. 4, the box body 1 can also be directly fixed on the lightning rod or other upright posts a through the anchor ear 4.
The other side outside the case 1 is provided with a housing case 3 for mounting a magnetically sensitive coil of the integrated detection head. The accommodating box 3 is provided with a through hole for the ground wire to pass through, a waterproof cylinder 3a is arranged corresponding to the through hole, and the coil is also sleeved on the waterproof cylinder 3 a. The side wall of the box body 1 adjacent to the accommodating box 3 is provided with a wiring hole 1a, and a circuit of the integrated detection magnetic head penetrates into the box body 1 from the wiring hole 1a to be connected with the PCB. One side of the accommodating box 3 is provided with a magnetic induction coil opening for placing, and the opening of the accommodating box 3 is provided with a sealing waterproof structure. Specifically, the sealing waterproof structure is used for sealing by filling glue into the accommodating box 3, so that the operation is convenient, the sealing effect is improved, and meanwhile, the circuit of the integrated detection magnetic head can be fixed.
The box body 1 is internally provided with a U-shaped baffle plate 1f which is arranged right opposite to the wiring hole 1a, and the wiring hole 1a is enclosed in the U-shaped baffle plate 1 f. And the bottom of the U-shaped baffle plate 1f is fixedly connected with the bottom of the box body 1, and the height of the U-shaped baffle plate 1f is not lower than the height of the accommodating box 3. The U-shaped baffle 1f can prevent sealing glue from entering other positions of the box body 1 as far as possible, and damage to a battery, a PCB and a 4GFPC antenna is avoided.
The battery comprises a lithium secondary battery, a power module, an MCU, an excitation processing circuit and an acquisition processing circuit are integrated on the PCB, and the power module is used for supplying power to other circuit elements on the PCB after the lithium secondary battery is subjected to voltage reduction. The principle of the magnetic induction coil is similar to a transformer, and the number of turns of one side winding of the transformer is 1 turn. The MCU excitation signal output end is connected with the excitation processing circuit signal input end, and the excitation processing circuit signal output end is connected with the excitation signal input end of one side winding of the transformer. The current signal output end of the winding induction at the other side of the transformer is connected with the current signal input end of the acquisition processing circuit, and the acquisition signal output end of the acquisition processing circuit is connected with the acquisition signal input end of the MCU. The MCU data transmitting end is connected with the 4GFPC antenna data receiving end and is in wireless connection with the cloud platform through the 4GFPC antenna.
During detection, the MCU sends out an excitation signal E, one side winding generates excitation voltage E, induced potential E is generated on a detected loop, namely a grounding wire, and induced current i is generated in the detected loop under the action of the induced potential E. Meanwhile, the winding on the other side also generates induced potential and induced current under the action of the induced potential of the tested loop, and the induced current of the winding on the other side is collected through the collecting and processing circuit, so that the tested resistor can be obtained through calculation. The MCU wirelessly transmits the detected measured resistor to the cloud platform through a 4GFPC antenna. The resistance value of the grounding wire can be detected in real time, the tested resistance value is fed to the cloud platform through the 4GFPC antenna, the resistance value of the grounding wire is compared with a set standard grounding resistance value, when the measured resistance value of the grounding wire is in a set standard range, the grounding resistance of the grounding wire is judged to be in a normal state, and otherwise, when the measured grounding resistance value of the grounding wire exceeds the set standard range, the grounding resistance of the grounding wire is judged to be in an abnormal state.
Claims (7)
1. A ground resistance detection apparatus characterized in that: the novel waterproof box comprises a box body (1) and a box cover (2), wherein the box body (1) is used for installing a battery, a PCB and a 4GFPC antenna, a circle of waterproof ribs (1 e) are arranged at the top of the box body (1), waterproof grooves (2 b) used for accommodating the waterproof ribs (1 e) are formed in the bottom side of the box cover (2), first thread installation holes (1 d) are formed in the part, located outside the waterproof ribs (1 e), of the box body (1), second thread installation holes (2 a) are also formed in the bottom side of the box cover (2) corresponding to the first thread installation holes (1 d) of the box body (1), the second thread installation holes (2 a) are blind installation holes, and the box body (1) and the box cover (2) are installed through bolts installed in the first thread installation holes (1 d) and the second thread installation holes (2 a) at the same time;
the utility model discloses a magnetic induction coil structure, including box body (1), fixed journal stirrup (1 b) are all equipped with to the upper and lower both sides outside box body (1), every fixed journal stirrup (1 b) is gone up all to have seted up fixed orifices (1 c), the other one side outside box body (1) is equipped with and is used for installing integrated type detection magnetic head's magnetism induction coil hold box (3), be equipped with the through-hole that supplies the ground wire to pass on holding box (3) to correspond the through-hole and be equipped with waterproof drum (3 a), the coil also overcoat is on waterproof drum (3 a), wiring hole (1 a) have been seted up on the adjacent lateral wall of box body (1) with holding box (3), the circuit that integrated type detected the magnetic head penetrates in box body (1) from wiring hole (1 a) and is connected with the PCB circuit board, one side that holds box (3) is equipped with the magnetism induction coil opening that is used for putting into, the opening part that holds box (3) is equipped with sealed waterproof structure.
2. A ground resistance detection apparatus according to claim 1, characterized in that: the sealing waterproof structure is used for sealing by filling glue into the accommodating box (3).
3. A ground resistance detection apparatus according to claim 1, characterized in that: be equipped with in box body (1) just to walk line hole (1 a) and be provided with U type baffle (1 f) to enclose line hole (1 a) wherein through U type baffle (1 f), and the bottom of U type baffle (1 f) and the bottom fixed connection of box body (1), the height of U type baffle (1 f) is not less than the height that holds box (3).
4. A ground resistance detection apparatus according to claim 1, characterized in that: the fixed lugs (1 b) are arranged near the bottom of the box body (1).
5. A ground resistance detection apparatus according to claim 1, characterized in that: every fixed orifices (1 c) on fixed journal stirrup (1 b) are a pair of, and fixed orifices (1 c) are the bar hole, box body (1) are equipped with staple bolt (4) that are used for installing on ground stand, the both ends of staple bolt (4) are fixed respectively on a pair of fixed orifices (1 c) of fixed journal stirrup (1 b).
6. A ground resistance detection apparatus according to claim 1, characterized in that: the box body (1) is provided with a mounting bracket (b) fixed on the ground, and the box body (1) is fixed on the mounting bracket (b) through a hoop (4).
7. A ground resistance detection apparatus according to claim 6, characterized in that: the mounting bracket (b) is L-shaped, the transverse part of the L-shaped mounting bracket (b) is fixed on the ground, and the box body (1) is fixed on the vertical part of the L-shaped mounting bracket (b) through the anchor ear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112237.6U CN220543030U (en) | 2023-08-08 | 2023-08-08 | Ground resistance check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112237.6U CN220543030U (en) | 2023-08-08 | 2023-08-08 | Ground resistance check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543030U true CN220543030U (en) | 2024-02-27 |
Family
ID=89976746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322112237.6U Active CN220543030U (en) | 2023-08-08 | 2023-08-08 | Ground resistance check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543030U (en) |
-
2023
- 2023-08-08 CN CN202322112237.6U patent/CN220543030U/en active Active
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