CN111879990A - Current sensor - Google Patents
Current sensor Download PDFInfo
- Publication number
- CN111879990A CN111879990A CN202010558657.5A CN202010558657A CN111879990A CN 111879990 A CN111879990 A CN 111879990A CN 202010558657 A CN202010558657 A CN 202010558657A CN 111879990 A CN111879990 A CN 111879990A
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- Prior art keywords
- current sensor
- mounting
- damp
- proof plate
- fixedly connected
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- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a current sensor which comprises three current sensor bodies and a damp-proof plate, wherein the bottoms of the three current sensor bodies are fixedly connected to the damp-proof plate; the bottom of the current sensor body is fixedly connected to the top of the damp-proof plate through a plurality of height adjusting connecting pieces; the height adjusting connecting piece comprises a bulge arranged at a corner part at the bottom of the current sensor body; the height adjusting connecting piece also comprises a screw rod penetrating through the protrusion; the screw is in threaded connection with two mutually matched extrusion nuts; the extrusion nuts are respectively extruded at the top and the bottom of the bulge; the current sensor body further comprises a mounting piece fixedly connected to the bottom of the damp-proof plate. Adopt above-mentioned device part not only can realize firm installation, and above-mentioned device part design can effectively protect the current sensor body not to wet.
Description
Technical Field
The invention relates to the field of current sensor body devices, in particular to a current sensor.
Background
The current sensor is a relatively common current sensing and detecting component, in the electric power working and construction process, the current sensor body is often required to be assembled on a carrier such as a wall and other attachments, and is arranged in a primary and secondary fusion ring main unit, at this time, because the primary and secondary fusion ring main unit is often arranged outdoors and lacks a wind and rain shielding device, the wet phenomenon occurs in the ring main unit, especially the bottom of the ring main unit contacting with the ground, and the positioning structure on the current sensor body disclosed by the prior art is relatively simple, and can only be suitable for fixing the attachments in relatively conventional shapes, and in the ring main unit, the current sensor does not have good moisture-proof capability, and in the practical application process, the geometric shapes of the attachments are relatively complex, and the current sensors disclosed by the prior art can not be stably installed on the attachments.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a current sensor to solve the problems of difficult installation and no moisture resistance in the prior art.
The invention solves the technical problems through the following technical scheme:
a kind of current sensor is disclosed, which comprises a current sensor,
the current sensor comprises three current sensor bodies and a damp-proof plate, wherein the bottoms of the three current sensor bodies are fixedly connected to the damp-proof plate;
the bottom of the current sensor body is fixedly connected to the top of the damp-proof plate through a plurality of height adjusting connecting pieces;
the height adjusting connecting piece comprises a bulge arranged at a corner part at the bottom of the current sensor body;
the height adjusting connecting piece also comprises a screw rod penetrating through the protrusion;
the screw is in threaded connection with two mutually matched extrusion nuts;
the extrusion nuts are respectively extruded at the top and the bottom of the bulge;
the current sensor body further comprises a mounting piece fixedly connected to the bottom of the damp-proof plate.
Preferably, the mounting piece comprises a mounting steel plate fixedly connected to the bottom of the damp-proof plate;
the left end and the right end of the mounting steel plate are both provided with a plurality of hinge grooves which are arranged at intervals front and back;
the hinge groove is hinged with an installation rod;
the end of the mounting rod is provided with an expansion screw.
Preferably, the upper end of the mounting rod is fixedly connected with a pin shaft rod;
the pin shaft rod is rotationally connected to the front and rear groove walls of the hinge groove;
the lower end part of the mounting rod is highly connected with a disk body inserted with expansion screws, and the disk body is provided with a limiting through hole.
Preferably, the bottom of the current sensor body is provided with four folded corner parts;
the transverse section of the protrusion is rectangular.
Preferably, the moisture-proof plate is provided with a plurality of ventilation holes which are arranged at left and right intervals;
the longitudinal section of the vent hole is hexagonal.
Preferably, the upper ends of the side walls at the left side and the right side of the current sensor body are fixedly connected with mounting sleeves;
and a fastening bolt is inserted in the mounting sleeve.
Preferably, the compression nut has an annular compression flange thereon.
Compared with the prior art, the invention has the following advantages:
the mounting piece fixedly connected to the bottom of the damp-proof plate can be stably mounted, and the damp-proof plate can effectively protect the current sensor body from being damped when the current sensor body is mounted in the primary and secondary fusion ring main unit.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a mounting bar in an embodiment of the present invention;
FIG. 3 is a front view of the embodiment of the present invention shown in FIG. 1;
fig. 4 is a top view of the embodiment of the present invention shown in fig. 1.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1 to 4, a current sensor includes three current sensor bodies 1, the three current sensor bodies 1 are respectively an a-phase current sensor body, a B-phase current sensor body and a C-phase current sensor body, wherein the current sensor body 1 is a conventional current sensor disclosed in the prior art.
In order to improve the installation stability of the current sensor body 1, be suitable for complex installation and be moisture-proof, the bottoms of the three current sensor bodies 1 are fixedly connected with a moisture-proof plate 3; the moisture barrier 3 serves as a suitable moisture barrier. In order to ventilate and reduce moisture, a plurality of ventilation holes 31 which are arranged at left and right intervals are formed in the moisture-proof plate 3; the longitudinal sectional shape of the vent hole 31 is hexagonal.
The bottom of the current sensor body 1 is fixedly connected to the top of the damp-proof plate 3 through a plurality of height adjusting connecting pieces 21; the height adjusting connecting piece 21 comprises a bulge 211 arranged at the bottom bevel part of the current sensor body 1; specifically, the bottom of the current sensor body 1 is provided with four bevel parts; the lateral cross-sectional shape of the protrusion 211 is rectangular.
The height adjusting connector 21 further comprises a screw 212 penetrating the protrusion 211; two mutually matched extrusion nuts 213 are screwed on the screw 212. The pressing nuts 213 press the top and bottom of the protrusion 211, respectively; in order to improve the pressing stability, an annular pressing flange is provided on the pressing nut 213, the pressing flange is provided at the bottom of the upper portion pressing nut 213, and the annular pressing flange is provided at the top of the lower portion pressing nut 213, and is pressed against the protrusion 211.
Through adjusting above-mentioned extrusion nut 213, realize adjusting the interval of current sensor body 1 and dampproof board 3, specifically speaking, loosen two complex extrusion nuts 213, adjust the interval back of current sensor body 1 and dampproof board 3, fasten again, and further improve dampproofing characteristic.
For stable installation, the current sensor body 1 further comprises a mounting member fixedly connected to the bottom of the moisture-proof plate 3. The mounting piece comprises a mounting steel plate 4 fixedly connected to the bottom of the damp-proof plate 3; the left end and the right end of the mounting steel plate 4 are both provided with a plurality of hinge grooves 41 which are arranged at intervals front and back; the hinge groove 41 is hinged with a mounting rod 5; the end of the mounting rod 5 is provided with an expansion screw 51. The mounting is effected by means of expansion screws 51, e.g. by means of an attachment.
Specifically, the pin shaft 52 is fixedly connected to the upper end of the mounting rod 5; the pin shaft rod 52 is rotatably connected to the front and rear groove walls of the hinge groove 41;
the lower end part of the mounting rod 5 is highly connected with a disk body inserted with expansion screws 51, and the disk body is provided with a limiting through hole.
In order to further increase the stability, the upper ends of the side walls at the left side and the right side of the current sensor body 1 are fixedly connected with mounting sleeves 11; fastening bolts 111 are inserted into the mounting sleeve 11.
Adopt above-mentioned device part not only can realize firm installation, and above-mentioned device part design, can effectively protect current sensor body 1 not to wet.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A current sensor is characterized by comprising three current sensor bodies and a damp-proof plate, wherein the bottoms of the three current sensor bodies are fixedly connected to the damp-proof plate;
the bottom of the current sensor body is fixedly connected to the top of the damp-proof plate through a plurality of height adjusting connecting pieces;
the height adjusting connecting piece comprises a bulge arranged at a corner part at the bottom of the current sensor body;
the height adjusting connecting piece also comprises a screw rod penetrating through the protrusion;
the screw is in threaded connection with two mutually matched extrusion nuts;
the extrusion nuts are respectively extruded at the top and the bottom of the bulge;
the current sensor body further comprises a mounting piece fixedly connected to the bottom of the damp-proof plate.
2. The current sensor of claim 1, wherein the mounting member comprises a mounting steel plate fixedly attached to the bottom of the moisture barrier;
the left end and the right end of the mounting steel plate are both provided with a plurality of hinge grooves which are arranged at intervals front and back;
the hinge groove is hinged with an installation rod;
the end of the mounting rod is provided with an expansion screw.
3. The current sensor of claim 2, wherein a pin shaft is fixedly attached to an upper end of the mounting rod;
the pin shaft rod is rotationally connected to the front and rear groove walls of the hinge groove;
the lower end part of the mounting rod is highly connected with a disk body inserted with expansion screws, and the disk body is provided with a limiting through hole.
4. The current sensor of claim 3, wherein the bottom of the current sensor body has four beveled portions;
the transverse section of the protrusion is rectangular.
5. The current sensor according to claim 4, wherein the moisture-proof plate is provided with a plurality of ventilation holes arranged at left and right intervals;
the longitudinal section of the vent hole is hexagonal.
6. The current sensor according to claim 5, wherein the upper ends of the side walls of the left and right sides of the current sensor body are fixedly connected with mounting sleeves;
and a fastening bolt is inserted in the mounting sleeve.
7. The current sensor of claim 6, wherein said compression nut has an annular compression flange thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558657.5A CN111879990A (en) | 2020-06-18 | 2020-06-18 | Current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558657.5A CN111879990A (en) | 2020-06-18 | 2020-06-18 | Current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111879990A true CN111879990A (en) | 2020-11-03 |
Family
ID=73156656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010558657.5A Pending CN111879990A (en) | 2020-06-18 | 2020-06-18 | Current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111879990A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014102793A1 (en) * | 2014-03-03 | 2015-09-03 | Harting Electric Gmbh & Co. Kg | Fastening element for a current sensor |
| CN206263904U (en) * | 2016-12-08 | 2017-06-20 | 黑龙江省农业机械维修研究所 | Electrically-controlled pump nozzle craft fixed disassembly platform |
| CN207067231U (en) * | 2017-08-28 | 2018-03-02 | 安徽华明电气设备有限公司 | High voltage cable malfunction monitoring short circuit current sensor |
| CN207753349U (en) * | 2018-01-17 | 2018-08-21 | 太原市天正电气成套电控有限公司 | A kind of electrical cabinet detected automatically that leaks electricity |
| CN208400696U (en) * | 2018-07-16 | 2019-01-18 | 苏州爱多邦电器有限公司 | A kind of current transformer easy to disassemble |
| CN208922843U (en) * | 2018-12-10 | 2019-05-31 | 苏州爱多邦电器有限公司 | A kind of current transformer being fixed conveniently |
-
2020
- 2020-06-18 CN CN202010558657.5A patent/CN111879990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014102793A1 (en) * | 2014-03-03 | 2015-09-03 | Harting Electric Gmbh & Co. Kg | Fastening element for a current sensor |
| CN206263904U (en) * | 2016-12-08 | 2017-06-20 | 黑龙江省农业机械维修研究所 | Electrically-controlled pump nozzle craft fixed disassembly platform |
| CN207067231U (en) * | 2017-08-28 | 2018-03-02 | 安徽华明电气设备有限公司 | High voltage cable malfunction monitoring short circuit current sensor |
| CN207753349U (en) * | 2018-01-17 | 2018-08-21 | 太原市天正电气成套电控有限公司 | A kind of electrical cabinet detected automatically that leaks electricity |
| CN208400696U (en) * | 2018-07-16 | 2019-01-18 | 苏州爱多邦电器有限公司 | A kind of current transformer easy to disassemble |
| CN208922843U (en) * | 2018-12-10 | 2019-05-31 | 苏州爱多邦电器有限公司 | A kind of current transformer being fixed conveniently |
Non-Patent Citations (1)
| Title |
|---|
| 罗慧 等: "《焊接结构与制造 GZS》", 28 February 2016, 北京理工大学出版社 * |
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Application publication date: 20201103 |