CN223450124U - A self-calibrating digital leakage current sensor - Google Patents
A self-calibrating digital leakage current sensorInfo
- Publication number
- CN223450124U CN223450124U CN202422466290.0U CN202422466290U CN223450124U CN 223450124 U CN223450124 U CN 223450124U CN 202422466290 U CN202422466290 U CN 202422466290U CN 223450124 U CN223450124 U CN 223450124U
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- CN
- China
- Prior art keywords
- sensor
- leakage current
- transverse support
- self
- lower housing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a self-calibration digital leakage current sensor, which comprises a base, wherein a sensor lower shell is rotatably arranged on the upper side of the base, a quarter-round detection opening is formed in the upper part of the sensor lower shell, an upper shell is transversely arranged in the detection opening in a sliding manner through a transverse support frame, the transverse support frame is in threaded connection with a screw rod on one side of the upper end of the sensor lower shell, one end of the screw rod is rotatably connected with one side of the upper end of the sensor lower shell through a bearing, the upper shell is transversely arranged in the detection opening in a sliding manner through the transverse support frame, and the transverse support frame is in threaded connection with the screw rod on one side of the upper end of the sensor lower shell.
Description
Technical Field
The utility model relates to the technical field of leakage current sensors, in particular to a self-calibration digital leakage current sensor.
Background
The leakage current sensor is a device for converting the tested alternating current micro current and direct current isolation into standard analog signals such as direct current and direct voltage in linear proportion or RS485 digital signals according to the working principles of electromagnetic isolation and magnetic modulation of a mutual inductor. The application occasion of the direct current leakage current sensor has certain hardness requirements on the use standard of all electric equipment in national safety use standard, is widely applied to industry goods equipment such as direct current transmission, power storage detection, direct current screens, power supplies, large-scale medical and health equipment, photovoltaics, wind power generation, communication base stations and the like, feeds back the leakage condition of the equipment at the first time, and the elements such as leakage protection at the rear end can take relevant measures at the first time so as to avoid accidents, and is safe to use and production operation.
The utility model provides a leakage current sensor for 202223244744.7 among the prior art, includes bottom sprag seat and extension regulation installation component, both ends all are connected with fixed mounting plate about the bottom sprag seat, and the lower extreme of fixed mounting plate is connected with sliding support stopper, the extension regulation installation component sets up in the lower extreme left and right sides of bottom sprag seat, and the extension regulation installation component includes axis of rotation, trough of belt mounting plate and bolt hole, the lower extreme of axis of rotation is connected with the trough of belt mounting plate. This sensor uses through the cooperation between fixed mounting plate, sliding support stopper and the extension regulation installation component, can promote the mounting means of equipment, improves the installation suitability of equipment, and the wire of being convenient for wears to establish between connecting plate and the sliding fixed component, increases the work efficiency that detects, and protection component carries out convenient fixed protection to the wiring subassembly, protects dustproof when not using, avoids influencing equipment life, but detects opening switching operation inconvenience to influence the efficiency that leakage current detected.
Disclosure of utility model
The utility model aims to provide a self-calibration digital leakage current sensor, which is used for solving the problem that the efficiency of leakage current detection is affected due to inconvenient opening and closing operation of a detection opening in the prior art.
The self-calibration digital leakage current sensor comprises a base, wherein a sensor lower shell is rotatably arranged on the upper side of the base, a quarter-round detection opening is formed in the upper portion of the sensor lower shell, an upper shell is arranged in the detection opening in a transverse sliding mode through a transverse supporting frame, the transverse supporting frame is in threaded connection with a screw on one side of the upper end of the sensor lower shell, one end of the screw is rotatably connected with one side of the upper end of the sensor lower shell through a bearing, two detachable magnetic rings are arranged in the sensor lower shell and the upper shell, and a wiring port, a switch and a display screen are further arranged on one side of the bottom of the sensor lower shell.
Further, the upper support plate is rotatably arranged in the upper side of the base through the connecting shaft, and the sensor lower shell is fixedly arranged on the upper support plate.
Further, the base outside is equipped with a plurality of locating plates, and the locating plate is inside to be equipped with the locating hole.
Further, the horizontal support frame is including two horizontal branches that are equipped with, and two horizontal branch one end are equipped with vertical extension board perpendicularly, vertical extension board middle part passes through screw hole and screw rod threaded connection.
Further, a limit sliding hole is formed in one side of the upper end of the lower shell of the sensor, and the transverse support frame and the limit sliding hole are arranged in a sliding mode.
Further, the magnetic ring comprises a fixed magnetic ring arranged in the lower shell of the sensor, a movable magnetic ring is arranged in the upper shell, and the movable magnetic ring and the fixed magnetic ring are horizontally clamped through a clamping groove and a clamping block.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the upper casing is arranged in the detection opening in a transverse sliding manner through the transverse supporting frame, and the transverse supporting frame is in threaded connection with the screw rod at one side of the upper end of the lower casing of the sensor, so that the transverse supporting frame and the upper casing can be transversely moved and adjusted through rotating the screw rod, the detection opening can be opened for threading detection wires, and then the upper casing is moved by the reverse rotating screw rod to close the detection opening, so that the detection opening is conveniently and rapidly opened and closed, and leakage current detection processing is facilitated.
2. The detachable two magnetic rings are arranged in the lower shell and the upper shell of the sensor, the magnetic rings comprise fixed magnetic rings arranged in the lower shell of the sensor, the movable magnetic rings are arranged in the upper shell, the movable magnetic rings and the fixed magnetic rings are horizontally clamped through clamping grooves and clamping blocks, and a metal conductive structure is arranged between the clamping grooves and the clamping blocks, so that detection wires can be conveniently placed in the gaps of the magnetic rings in a separated mode.
3. According to the utility model, the sensor lower shell is rotatably arranged on the upper side of the base, the upper support plate is rotatably arranged in the upper side of the base through the connecting shaft, and the sensor lower shell is fixedly arranged on the upper support plate, so that the sensor lower shell can be horizontally rotated and adjusted relative to the base, the horizontal use angle of the sensor after the fixed position can be adjusted, and the adjustment is convenient and quick.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a detection opening structure of the present utility model;
FIG. 3 is a schematic view of a magnetic ring according to the present utility model;
fig. 4 is a bottom view of the base structure of the present utility model.
In the figure, 1, a base; 2, a sensor lower shell, 3, an upper shell, 4, a detection opening, 5, a clamping block, 6, an upper support plate, 7, a transverse support rod, 8, a longitudinal support plate, 9, a screw rod, 10, a bearing, 11, a positioning plate, 12, a positioning hole, 13, a limiting sliding hole, 14, a connecting shaft, 15, a fixed magnetic ring, 16, a movable magnetic ring, 17 and a clamping groove.
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, 2, 3 and 4, in the embodiment of the utility model, a self-calibration digital leakage current sensor comprises a base 1, a sensor lower casing 2 is rotatably arranged on the upper side of the base 1, an upper support plate 6 is rotatably arranged in the upper side of the base 1 through a connecting shaft 14, the sensor lower casing 2 is fixedly arranged on the upper support plate 6, the sensor lower casing 2 can be horizontally rotatably adjusted relative to the base 1, the sensor horizontal use angle after the fixing position can be adjusted, the adjustment is convenient and quick, a wiring opening, a switch and a display screen are further arranged on one side of the bottom of the sensor lower casing 2, the control and the data display are facilitated, a quarter-round detection opening 4 is formed in the upper part of the sensor lower casing 2, an upper casing 3 is arranged in the detection opening 4 through transverse sliding of a transverse support frame, the transverse support frame is in threaded connection with a screw 9 on one side of the upper end of the sensor lower casing 2, one end of the screw 9 is rotatably connected with one side of the upper casing 2 through a bearing 10, a limit sliding hole 13 is formed in one side of the upper end of the sensor lower casing 2 relative to the base 1, the transverse support frame and the transverse support frame is provided with two transverse support plates 7 and the two transverse support plates are arranged on one side of the upper support plates 9 through transverse support plates, the transverse support plates are vertically connected with the two transverse support plates 8 through the transverse support plates, the transverse support plates are vertically arranged on one side 8, and the two transverse support plates are vertically arranged through the transverse support plates and the transverse support plates are vertically adjusted, and the two threaded support plates are conveniently and can be moved, and vertically by the threaded through the transverse support plates 8.
As shown in fig. 1 and 3, in order to facilitate separation of the magnetic ring gaps, two detachable magnetic rings are further arranged in the lower casing 2 and the upper casing 3 of the sensor, each magnetic ring comprises a fixed magnetic ring 15 arranged in the lower casing 2 of the sensor, two groups of coils are symmetrically arranged in the fixed magnetic ring 15, a movable magnetic ring 16 is arranged in the upper casing 3, the movable magnetic ring 16 and the fixed magnetic ring 15 are horizontally clamped with each other through a clamping groove 17 and a clamping block 5, a metal conductive structure is arranged between the clamping grooves 17 and the clamping blocks 5, and detection wires are conveniently placed for separation of the magnetic ring gaps.
As shown in fig. 1 and 4, in order to install and fix the base 1, a plurality of positioning plates 11 are provided on the outer side of the base 1, and positioning holes 12 are provided in the positioning plates 11, so that the base 1 is convenient to be installed and fixed in multiple positions, and the stability of installation and fixation is high.
When the detection device is used, a wire to be detected penetrates through a detection through hole in the upper part of the lower shell 2 of the sensor, and the upper shell 3 is arranged in the detection opening 4 in a transversely sliding manner through the transverse support frame, and the transverse support frame is in threaded connection with the screw rod 9 on one side of the upper end of the lower shell 2 of the sensor, so that the transverse support frame and the upper shell 3 can be transversely moved and adjusted through rotating the screw rod 9, the wire penetrating the detection opening 4 can be opened, then the upper shell 3 is moved by the reversely rotating screw rod 9 to close the detection opening 4, the detection opening 4 is conveniently and rapidly opened and closed, and leakage current detection processing is facilitated.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422466290.0U CN223450124U (en) | 2024-10-12 | 2024-10-12 | A self-calibrating digital leakage current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422466290.0U CN223450124U (en) | 2024-10-12 | 2024-10-12 | A self-calibrating digital leakage current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223450124U true CN223450124U (en) | 2025-10-17 |
Family
ID=97342211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422466290.0U Active CN223450124U (en) | 2024-10-12 | 2024-10-12 | A self-calibrating digital leakage current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223450124U (en) |
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2024
- 2024-10-12 CN CN202422466290.0U patent/CN223450124U/en active Active
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