CN211236207U - Calibrating device for leakage current tester - Google Patents
Calibrating device for leakage current tester Download PDFInfo
- Publication number
- CN211236207U CN211236207U CN201921725478.5U CN201921725478U CN211236207U CN 211236207 U CN211236207 U CN 211236207U CN 201921725478 U CN201921725478 U CN 201921725478U CN 211236207 U CN211236207 U CN 211236207U
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- Prior art keywords
- leakage current
- current tester
- limiting plate
- insulating
- groove
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- 238000012360 testing method Methods 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 244000309464 bull Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000012795 verification Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a leakage current tester calibrating installation, including base, recess, insulating pad, limiting plate, bull stick, grip block, battery mount pad, ampere meter, test stick, mount pad, cavity connecting rod, metal contact and insulating cover. The utility model has the advantages that: insulating pad is in the same place with the inner wall close fitting of recess, can play insulating effect to laying the leakage current tester in the recess, the grip block is the both sides that the symmetry form set up at the recess, and the medial surface of grip block is equipped with insulating rubber pad, can form the clamping structure to laying the leakage current tester, the grip block is telescopic connection through the screw interlock that bull stick and limiting plate center department offered the screw hole with the limiting plate, can carry out the centre gripping to the leakage current tester of equidimension not laid and fix, battery mount pad and ampere meter all link together through the last fixed surface of screw with the base, prevent to take place to remove at examination in-process position, avoid influencing the examination operation.
Description
Technical Field
The utility model relates to a calibrating installation specifically is a leakage current tester calibrating installation, belongs to instrument and equipment and detects technical field.
Background
The leakage current is the current formed by the surrounding medium or the insulating surface between the metal parts which are mutually insulated in the electric band or between the charged part and the grounding part under the condition of no fault applied voltage, and the leakage current tester is used for measuring the leakage current which is generated by the working power supply (or other power supplies) of the electric appliance through insulation or distributed parameter impedance and is irrelevant to the work, and mainly comprises impedance conversion, range conversion, alternating current-direct current conversion, amplification, indication devices and the like. And the device also comprises an overcurrent protection circuit, an audible and visual alarm circuit and a test voltage adjusting device.
However, in the using process, the leakage current measurement is carried out in an electrified way, and the shell of the tested electric appliance is electrified, so that when the leakage current tester is used for detection, certain potential safety hazards are often brought to detection personnel due to electric conduction, and a special verification device is not provided at present for verifying whether the leakage current tester has the potential electric conduction hazards or not, so that the verification device for the leakage current tester is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a leakage current tester calibrating installation just for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a calibrating device for a leakage current tester comprises a base, a groove, an insulating pad, a limiting plate, a rotating rod, a clamping plate, a battery mounting seat, an ammeter, a testing rod, a mounting seat, a hollow connecting rod, a metal contact piece and an insulating sleeve; the improved testing device comprises a base, and is characterized in that a groove is formed in the upper surface of the base, an insulating pad is arranged in the groove, a limiting plate is vertically arranged on the upper surface of the base and is respectively positioned at the left side and the right side of the groove, a rotating rod is connected in a threaded hole formed in the center of the limiting plate in a threaded manner, a clamping plate is arranged at one end, located on the inner side of the limiting plate, of the rotating rod, a battery mounting seat and an ammeter are both arranged on the upper surface of the base, the battery mounting seat and the ammeter are both positioned on one side of the groove, the battery mounting seat and the ammeter are wound on a binding post through a connecting wire to be connected, the other binding post of the battery mounting seat is connected with a testing rod through a connecting wire, the other binding post of the ammeter is connected with the testing rod through a connecting wire, the, The metal contact piece is fixedly arranged at the top end of the hollow connecting rod, the tail end of the metal contact piece is welded with a connecting wire penetrating through the inside of the hollow connecting rod, and the insulating sleeve is sleeved on the outer side of the hollow connecting rod.
Preferably, the insulating pad is closely attached to the inner wall of the groove in order to insulate the leakage current tester placed in the groove.
Preferably, in order to form a clamping structure for the placed leakage current tester, the clamping plates are symmetrically arranged on two sides of the groove, and the inner side surfaces of the clamping plates are provided with insulating rubber pads.
Preferably, in order to clamp and fix the leakage current tester with different sizes, the clamping plate is telescopically connected with the limiting plate through the thread occlusion of the threaded holes formed in the centers of the rotating rod and the limiting plate.
Preferably, in order to provide a stable power supply for the calibrating device, two five-size batteries are installed in the battery installation seat.
Preferably, in order to prevent the position from moving during the verification process, the battery mounting seat and the ammeter are fixedly connected with the upper surface of the base through screws.
The utility model has the advantages that: the calibrating device for the leakage current tester has reasonable design, the insulating pads are tightly attached to the inner wall of the groove, the leakage current tester placed in the groove can be insulated, the influence on the calibrating process is avoided, the clamping plates are symmetrically arranged on two sides of the groove, the insulating rubber pads are arranged on the inner side surfaces of the clamping plates, a clamping structure for placing the leakage current tester can be formed, the indentation on the surface of the tester is avoided, the clamping plates are telescopically connected with the limiting plates through threaded engagement of the rotating rods and the threaded holes formed in the centers of the limiting plates, the leakage current testers with different sizes can be clamped and fixed, the applicability is strong, two five batteries are arranged in the battery mounting seat, a stable power supply can be provided for the calibrating device, the requirement of multiple times of calibration is met, the battery mounting seat and the ammeter are fixedly connected with the upper surface of the base through screws, the position is prevented from moving in the verification process, and the verification operation is prevented from being influenced.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of the structure of the test rod of the present invention.
In the figure: 1. the base, 2, recess, 3, insulating pad, 4, limiting plate, 5, bull stick, 6, grip block, 7, battery mount pad, 8, ampere meter, 9, test bar, 10, mount pad, 11, cavity connecting rod, 12, metal contact and 13, insulating cover.
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 3, a calibrating device for a leakage current tester comprises a base 1, a groove 2, an insulating pad 3, a limiting plate 4, a rotating rod 5, a clamping plate 6, a battery mounting seat 7, an ammeter 8, a test rod 9, a mounting seat 10, a hollow connecting rod 11, a metal contact 12 and an insulating sleeve 13; the upper surface of the base 1 is provided with a groove 2, an insulating pad 3 is arranged in the groove 2, the limiting plate 4 is vertically arranged on the upper surface of the base 1, the limiting plates 4 are respectively positioned at the left side and the right side of the groove 2, the rotating rod 5 is in threaded connection with a threaded hole arranged at the center of the limiting plate 4, a clamping plate 6 is arranged at one end of the rotating rod 5 positioned at the inner side of the limiting plate 4, the battery mounting seat 7 and the ammeter 8 are both arranged on the upper surface of the base 1, the battery mounting seat 7 and the ammeter 8 are both positioned at one side of the groove 2, the battery mounting seat 7 and the ammeter 8 are connected by winding a connecting wire on a binding post, the other binding post of the battery mounting seat 7 is connected with the test rod 9 by a connecting wire, the other binding post of the ammeter 8 is connected with the test rod 9 by a connecting wire, and the test rod 9 is inserted in the mounting seat 10, the test rod 9 is composed of a hollow connecting rod 11, a metal contact 12 and an insulating sleeve 13, the metal contact 12 is fixedly installed at the top end of the hollow connecting rod 11, the tail end of the metal contact 12 is welded with a connecting wire penetrating through the hollow connecting rod 11, and the insulating sleeve 13 is sleeved on the outer side of the hollow connecting rod 11.
The insulation pad 3 is tightly attached to the inner wall of the groove 2, so that the insulation pad can play an insulation role on a leakage current tester arranged in the groove 2, and the influence on the verification process is avoided, the clamping plate 6 is symmetrically arranged on two sides of the groove 2, the insulation rubber pad is arranged on the inner side surface of the clamping plate 6, a clamping structure for the arranged leakage current tester can be formed, and indentation on the surface of the tester is avoided, the clamping plate 6 is telescopically connected with the limiting plate 4 through the thread engagement of the rotating rod 5 and the limiting plate 4, so that the arranged leakage current testers with different sizes can be clamped and fixed, the applicability is strong, two five batteries are arranged in the battery mounting seat 7, a stable power supply can be provided for the verification device, the requirement of multiple times of verification is met, the battery mounting seat 7 and the ammeter 8 are fixedly connected with the upper surface of the base 1 through screws, the position is prevented from moving in the verification process, and the verification operation is prevented from being influenced.
The working principle is as follows: when using this leakage current tester calibrating installation, lay the leakage current tester that will wait to detect in recess 2 on base 1, and the bull stick 5 that rotates both sides promotes grip block 6 and carries out the centre gripping to the both sides of leakage current tester, realize fixedly, then lay two five batteries in the battery jar, and take out test bar 9 from mount pad 10, contact the metal contact 12 of two test bars 9 and the different positions of leakage current tester respectively, if place the pointer of ampere meter 8 when certain position and take place the deflection, then the return circuit has the electric current to pass through, it can be electrically conductive to examine and determine this position of storage leakage current tester promptly, there is the potential safety hazard.
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 leakage current tester calibrating installation which characterized in that: the device comprises a base (1), a groove (2), an insulating pad (3), a limiting plate (4), a rotating rod (5), a clamping plate (6), a battery mounting seat (7), an ammeter (8), a test rod (9), a mounting seat (10), a hollow connecting rod (11), a metal contact piece (12) and an insulating sleeve (13); the upper surface of the base (1) is provided with a groove (2), an insulating pad (3) is arranged in the groove (2), the limiting plate (4) is vertically arranged on the upper surface of the base (1), the limiting plate (4) is respectively positioned on the left side and the right side of the groove (2), the rotating rod (5) is in threaded connection with a threaded hole formed in the center of the limiting plate (4), a clamping plate (6) is arranged at one end of the rotating rod (5) positioned on the inner side of the limiting plate (4), the battery mounting seat (7) and the ammeter (8) are both arranged on the upper surface of the base (1), the battery mounting seat (7) and the ammeter (8) are both positioned on one side of the groove (2), the battery mounting seat (7) and the ammeter (8) are wound on a binding post through a connecting wire to be connected, and the other binding post of the battery mounting seat (7) is connected with a testing rod (9) through the connecting wire, another terminal of ampere meter (8) is connected through connecting wire and test stick (9), just test stick (9) are inserted in mount pad (10), test stick (9) comprise cavity connecting rod (11), metal contact (12) and insulating cover (13), metal contact (12) fixed mounting is on the top of cavity connecting rod (11), just the tail end of metal contact (12) is in the same place with the connecting wire welding of wearing in cavity connecting rod (11) inside, the outside at cavity connecting rod (11) is established to insulating cover (13).
2. A leakage current tester calibrating device according to claim 1, wherein: the insulating pad (3) is tightly attached to the inner wall of the groove (2).
3. A leakage current tester calibrating device according to claim 1, wherein: the clamping plates (6) are symmetrically arranged on two sides of the groove (2), and insulating rubber pads are arranged on the inner side surfaces of the clamping plates (6).
4. A leakage current tester calibrating device according to claim 1, wherein: the clamping plate (6) is in telescopic connection with the limiting plate (4) through the thread occlusion of the threaded holes formed in the centers of the rotating rod (5) and the limiting plate (4).
5. A leakage current tester calibrating device according to claim 1, wherein: two batteries in five are installed in the battery installation seat (7).
6. A leakage current tester calibrating device according to claim 1, wherein: and the battery mounting seat (7) and the ammeter (8) are fixedly connected with the upper surface of the base (1) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725478.5U CN211236207U (en) | 2019-10-15 | 2019-10-15 | Calibrating device for leakage current tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725478.5U CN211236207U (en) | 2019-10-15 | 2019-10-15 | Calibrating device for leakage current tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211236207U true CN211236207U (en) | 2020-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921725478.5U Expired - Fee Related CN211236207U (en) | 2019-10-15 | 2019-10-15 | Calibrating device for leakage current tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211236207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611919A (en) * | 2020-12-24 | 2021-04-06 | 南京茽鈤技术服务有限公司 | New material production is with electric conductivity detection device |
| CN114325052A (en) * | 2021-12-29 | 2022-04-12 | 广州广电计量检测股份有限公司 | Clamp-on ammeter calibrating device |
-
2019
- 2019-10-15 CN CN201921725478.5U patent/CN211236207U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611919A (en) * | 2020-12-24 | 2021-04-06 | 南京茽鈤技术服务有限公司 | New material production is with electric conductivity detection device |
| CN112611919B (en) * | 2020-12-24 | 2024-01-26 | 深圳市绿星科技有限公司 | Conductivity detection device is used in new material production |
| CN114325052A (en) * | 2021-12-29 | 2022-04-12 | 广州广电计量检测股份有限公司 | Clamp-on ammeter calibrating device |
| CN114325052B (en) * | 2021-12-29 | 2023-09-15 | 广电计量检测集团股份有限公司 | Clamp ammeter calibrating device |
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Legal Events
| 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: 20200811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |