CN211505703U - Testing device for grounding resistance - Google Patents
Testing device for grounding resistance Download PDFInfo
- Publication number
- CN211505703U CN211505703U CN201921729813.9U CN201921729813U CN211505703U CN 211505703 U CN211505703 U CN 211505703U CN 201921729813 U CN201921729813 U CN 201921729813U CN 211505703 U CN211505703 U CN 211505703U
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- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract 3
- 238000001514 detection method Methods 0.000 abstract description 21
- 238000013461 design Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a testing arrangement of ground resistance, including fixed snap ring, activity snap ring, dial plate, scale, pointer, fender position calibrated scale, switch, terminal, spacer pin, nut, pivot, battery cover, battery, upper cover, lower cover, connector lug, connecting wire, rubber insulation cover and probe. The utility model has the advantages that: this be suitable for multiple ammeter detection device reasonable in design, upper cover and lower cover junction are equipped with the screw hole, the upper cover passes through the nut with the lower cover and fixes, it is inseparabler to enable detection device installation, it is equipped with scale and various fender position sign to keep off the position calibrated scale, adjust the fender position that needs the measuring and detection range through adjust knob and carry out the detection of ammeter, the inside circular recess that is equipped with of connector lug, be and to dismantle with the interior circular protruding needle of terminal and be connected, can make equipment simpler through dismantling the detection gauge outfit, the spacer pin is located the dial plate both sides, and in the scale below, in order to prevent that the pointer from hitting both sides, damage the pointer.
Description
Technical Field
The utility model relates to a resistance detection device specifically is a ground resistance's testing arrangement, belongs to resistance detection technical field.
Background
The grounding resistance value is an important parameter for confirming the effectiveness and the safety of the grounding system and identifying whether the grounding system meets the design requirement; if the grounding is poor, the electrical equipment is damaged when the lightning stroke happens, and if the grounding is poor, the function of protecting the personal safety can be lost, so that the national property and the life safety of people are seriously threatened; the accuracy of the ground resistance measurement directly influences the lightning protection of the electrical equipment, the working reliability of the electrical equipment and the personal safety protection; however, the environment around the general ground resistor is relatively complex, and the interference frequency of the background environment is more and more complex, if a high-power reactive power compensation device exists, the interference around the power frequency is very strong, and the interference around the power frequency is also very strong, and at this time, if an inter-frequency method or a frequency conversion method is adopted, the influence of the interference cannot be eliminated.
At present, the ohmmeter variety that uses on the market is more and more, and ordinary resistance detection device exists great not enough, one of them, current resistance detection device's shell is the integral structure for adopting compression moulding technology, although can avoid there being water infiltration, but the dismantlement of later stage maintenance of not being convenient for, its two, current resistance detection device's detection gauge outfit sets up with the connector integration, consequently, be not convenient for change to the gauge outfit of harm, its three, current resistance detection device lacks certain safeguard measure, easily have certain dangerous hidden danger to the user because of the electric leakage in the use.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a testing device for ground resistance to solve the above-mentioned problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a testing device for ground resistance comprises a fixed snap ring, a movable snap ring, a dial plate, scales, a pointer, a gear dial, a switch, a binding post, a limiting pin, a nut, a rotating shaft, a battery cover, a battery, an upper cover, a lower cover, a binding post, a connecting wire, a rubber insulating sleeve and a probe; the utility model discloses a safety device, including fixed snap ring and movable snap ring, terminal, spacer pin, nut, pivot, fixed snap ring and movable snap ring symmetry installation, fixed snap ring and movable snap ring are installed inside upper cover and lower cover, the dial plate is located the upper cover upper end, the scale is located inside the dial plate, the pointer is installed in the middle of the dial plate, keep off the position of the dial plate in the middle of, the position of keeping off the position of the switch is in the middle of the dial plate, the terminal is located the upper cover lower extreme, the spacer pin is located the dial plate, the nut is located around the lower cover, the pivot is located between upper cover and the lower cover, the movable snap ring is fixed in the pivot, the battery cover is connected in the lower cover upper end, the battery.
Preferably, in order to facilitate installation and fixation of the upper shell and the lower shell, a threaded hole is formed in the joint of the upper cover and the lower cover, and the upper cover and the lower cover are fixed through nuts.
Preferably, in order to adjust the measuring gear and range through the wheel disc identification, the outer side of the wheel disc is provided with scales and various gear identifications.
Preferably, in order to facilitate the connection and the detachment of the detection gauge outfit, a circular groove is arranged inside the connector lug and is detachably connected with the circular convex needle in the wiring terminal.
Preferably, the battery is mounted at the lower end of the battery cover in order to facilitate power supply to the sensing device.
Preferably, in order to protect the safety of operators, the length of the rubber insulating sleeve on the probe is two thirds of the length of the gauge rod.
Preferably, in order to prevent the pointer from colliding against the two sides, the limit pins are positioned on the two sides of the dial plate and below the scales.
The utility model has the advantages that: the device is reasonable in design, a threaded hole is formed in the joint of the upper cover and the lower cover, the upper cover and the lower cover are fixed through nuts, the detection device can be installed more tightly, the detection device is firmer and more durable, the gear dial is provided with scales and various gear marks, the gears to be measured and the detection range are adjusted through the adjusting knob to detect the electric meter, a circular groove is formed in the connector lug and detachably connected with an inner circular convex needle of the connector lug, the device can be simpler through the detachable detection of the connector lug and is convenient to carry and maintain, the length of a rubber insulating sleeve on the probe is two thirds of the length of a gauge rod, the rubber insulating sleeve arranged at the probe end can prevent an operator from accidentally touching the metal gauge head during operation, the degree is inaccurate, the limiting pins are positioned on two sides of the dial and below the scales, in order to prevent the pointer from colliding with two sides, the pointer is damaged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the battery cover according to the present invention;
FIG. 3 is a schematic side view of the structure of the present invention;
fig. 4 is a schematic view of the structure measuring gauge head of the present invention.
In the figure: 1. the device comprises a fixed clamping ring, a movable clamping ring, a dial plate, a scale, a pointer, a gear dial, a switch, a binding post, a limiting pin, a nut, a rotating shaft, a battery cover, a battery 13, a battery, an upper cover, a lower cover, a connector lug, a connecting lead, an insulating sleeve, a meter head and a switch, wherein the fixed clamping ring 2, the movable clamping ring 3, the dial plate, 4, the scale, 5, the pointer, 6, the gear dial, 7, the switch, 8, the binding post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a testing device for ground resistance includes a fixed snap ring 1, a movable snap ring 2, a dial 3, scales 4, a pointer 5, a gear dial 6, a switch 7, a binding post 8, a limit pin 9, a nut 10, a rotating shaft 11, a battery cover 12, a battery 13, an upper cover 14, a lower cover 15, a connector lug 16, a connecting wire 17, a rubber insulating sleeve 18 and a probe 19; the fixed snap ring 1 and the movable snap ring 2 are symmetrically arranged, the fixed snap ring 1 and the movable snap ring 2 are arranged in the upper cover 14 and the lower cover 15, the dial 3 is positioned at the upper end of the upper cover 14, the scales 4 are positioned inside the dial 3, the pointer 5 is arranged in the middle of the dial 3, the gear dial 6 is positioned in the middle of the upper cover 14, the switch 7 is positioned in the middle of the gear dial 6, the binding post 8 is positioned at the lower end of the upper cover 14, the limit pin 9 is positioned in the dial 3, the nut 10 is positioned around the lower cover 15, the rotating shaft 11 is positioned between the upper cover 14 and the lower cover 15, the rotating shaft 11 fixes the movable snap ring 2, the battery cover 12 is coupled to an upper end of the lower cover 15, the battery 13 is mounted inside the lower cover 15, the connector lug 16 is fixed with one end of a connecting wire 17, one end of the connecting wire 17 is connected with a probe 19, and the probe 19 is provided with a rubber insulating sleeve 18 close to the operation end.
The junction of the upper cover 14 and the lower cover 15 is provided with a threaded hole, the upper cover 14 and the lower cover 15 are fixed through a nut 10, so that the detection device can be installed more tightly, the detection device is firmer and more durable, the gear dial 6 is provided with scales and various gear marks, the gear and the detection range which need to be measured are adjusted through an adjusting knob to detect the electric meter, a circular groove is arranged inside the connector lug 16 and detachably connected with the circular convex needle in the connector lug 8, the device is simpler through the detachable detection of the connector lug and convenient to carry and maintain, the length of the rubber insulating sleeve 18 on the probe 19 is two thirds of the length of the gauge rod, the rubber insulating sleeve 18 arranged at the end of the probe 19 can prevent an operator from accidentally touching the metal gauge head during operation, the degree is inaccurate, the limiting pin 9 is positioned at two sides of the dial 3 and below the scales 4, in order to prevent the pointer from hitting both sides, the pointer 5 is damaged.
The electrical components that appear in this application all external intercommunication power and switch when using. Battery 13 is a 32a12V type battery and its associated circuitry. The present invention relates to circuits and electrical components and modules, all of which are prior art, and which are fully implemented by those skilled in the art, without further elaboration, and is not intended to be limited by the scope of the claims which follow.
The working principle is as follows: when the electric meter is used, what gear of the electric meter to be detected is firstly determined, the adjusting knob 2 is firstly adjusted to the gear to be measured, the connector lug 9 is connected into the wiring terminal 5, an operator touches the meter head 12 to the position of the electric meter to be measured, the resistance value is determined through the degree of the pointer 5, the resistor can be clamped by the fixed clamping ring 1 and the movable clamping ring 2 for measurement, and then the resistance value is determined through the degree of the pointer 5.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a testing arrangement of ground resistance which characterized in that: the device comprises a fixed clamping ring (1), a movable clamping ring (2), a dial (3), scales (4), a pointer (5), a gear dial (6), a switch (7), a binding post (8), a limiting pin (9), a nut (10), a rotating shaft (11), a battery cover (12), a battery (13), an upper cover (14), a lower cover (15), a connector lug (16), a connecting wire (17), a rubber insulating sleeve (18) and a probe (19); the utility model discloses a dial plate, including fixed snap ring (1), scale (4), dial plate (3), pointer (5), fixed snap ring (1) and activity snap ring (2), dial plate (3) are located upper cover (14) upper end, scale (4) are located dial plate (3) inside, install in the middle of dial plate (3) pointer (5), keep off position calibrated scale (6) and lie in the middle of upper cover (14), switch (7) lie in keep off position calibrated scale (6) in the middle of, terminal (8) lie in upper cover (14) lower extreme, spacer pin (9) are located dial plate (3), nut (10) are located lower cover (15) all around, pivot (11) lie in between upper cover (14) and lower cover (15), pivot (11) fixed activity snap ring (2), battery cover (12) are connected in lower cover (15) upper end, the battery (13) is arranged in the lower cover (15), the connector lug (16) is fixed with one end of a connecting wire (17), one end of the connecting wire (17) is connected with a probe (19), and a rubber insulating sleeve (18) is arranged on the probe (19) close to the operating end.
2. The grounding resistance testing device according to claim 1, wherein: the joint of the upper cover (14) and the lower cover (15) is provided with a threaded hole, and the upper cover (14) and the lower cover (15) are fixed through a nut (10).
3. The grounding resistance testing device according to claim 1, wherein: the gear dial (6) is provided with scales and various gear marks.
4. The grounding resistance testing device according to claim 1, wherein: the connector lug (16) is internally provided with a circular groove which is detachably connected with an inner circular convex needle of the connector lug (8).
5. The grounding resistance testing device according to claim 1, wherein: the length of the rubber insulating sleeve (18) on the probe (19) is two thirds of the length of the gauge rod.
6. The grounding resistance testing device according to claim 1, wherein: the limiting pin (9) is positioned on two sides of the dial (3) and below the scale (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729813.9U CN211505703U (en) | 2019-10-15 | 2019-10-15 | Testing device for grounding resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729813.9U CN211505703U (en) | 2019-10-15 | 2019-10-15 | Testing device for grounding resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211505703U true CN211505703U (en) | 2020-09-15 |
Family
ID=72406661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921729813.9U Expired - Fee Related CN211505703U (en) | 2019-10-15 | 2019-10-15 | Testing device for grounding resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211505703U (en) |
-
2019
- 2019-10-15 CN CN201921729813.9U patent/CN211505703U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |