CN111721975A - Optical fiber current sensor measuring instrument case - Google Patents
Optical fiber current sensor measuring instrument case Download PDFInfo
- Publication number
- CN111721975A CN111721975A CN202010765918.0A CN202010765918A CN111721975A CN 111721975 A CN111721975 A CN 111721975A CN 202010765918 A CN202010765918 A CN 202010765918A CN 111721975 A CN111721975 A CN 111721975A
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- CN
- China
- Prior art keywords
- current sensor
- cover plate
- plate assembly
- square box
- optical fiber
- Prior art date
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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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 case of an optical fiber current sensor measuring instrument, which is used for installing the optical fiber current sensor measuring instrument. The whole case is of a square box structure and comprises a front panel assembly, a side panel assembly, an upper cover plate assembly, a lower cover plate assembly, a fixed panel assembly and a turnover cover. Compared with the prior art, the sensing ring can be accommodated in the case of the optical fiber current sensor measuring instrument, the requirement for quickly disassembling and assembling the optical fiber current sensor can be met, two modes of horizontal placement and vertical placement can be selected according to the requirement, the structure is simple, and the operation is convenient.
Description
Technical Field
The invention relates to the technical field of measuring instrument cases, in particular to an optical fiber current sensor measuring instrument case.
Background
The rapid development of modern industry puts higher requirements on the transmission and detection of a power grid, and the traditional measurement means of high voltage and large current faces severe examination. The optical fiber current sensor developed along with the development of optical fiber technology and material science is widely applied to a power system at present due to the characteristics of strong anti-interference capability, high measurement accuracy and the like.
The fiber current sensor mainly comprises a collecting device 300 and a sensing ring 600. As shown in fig. 1, in the conventional optical fiber current sensor measuring system, a sensing ring 600 is wound on an electrified bus bar 500, a collecting device 300 receives and processes current information measured by the sensing ring 600 through an optical fiber 400, and transmits the processed information to a computer 100 through a data line 200, and the computer displays a current waveform of the electrified bus bar. The fiber 400 between the collection device 300 and the sensing ring 600 is not breakable.
As shown in fig. 2, the conventional fiber optic current sensor housing has the sensing ring 600 independent of the housing, which results in the lack of integrity and inconvenience in carrying and transporting the device. Meanwhile, since the optical fiber between the sensing ring 600 and the collecting device 300 cannot be disconnected, when the optical fiber current sensor fails and needs to be detached or replaced, the optical fiber has to be disconnected for operation, and the maintenance work is complex and troublesome.
Disclosure of Invention
The invention aims to provide a case of an optical fiber current sensor measuring instrument, which is used for solving the technical problems in the prior art, a sensing ring can be accommodated in the case, and the case can meet the requirement of quickly disassembling and assembling the optical fiber current sensor.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a case of an optical fiber current sensor measuring instrument, which is used for installing the optical fiber current sensor measuring instrument, wherein the optical fiber current sensor measuring instrument comprises a sensing ring, an optical fiber, a collecting device, a data line and a tablet personal computer which are connected in sequence, the whole case is of a square case structure and comprises:
the tablet computer is arranged on the front panel assembly, and the front panel assembly is one side surface of the square box structure;
the side plate assembly is of an n-shaped structure as a whole, and the side plate assembly is arranged on the other three sides of the square box structure;
the upper cover plate assembly is the top surface of the square box structure and is provided with a lower groove used for accommodating the sensing ring, and a fiber hole for the optical fiber to pass through is formed in the bottom of the lower groove;
the lower cover plate assembly is the bottom surface of the square box structure;
the fixed plate assembly is used for mounting the acquisition device, is positioned in a cavity between the upper cover plate assembly and the lower cover plate assembly and is fixed on the lower cover plate assembly;
and the flip cover is detachably covered on the upper side of the lower groove.
Preferably, the front panel assembly comprises a front shell and a rear shell, the front shell is connected with the rear shell through a fastener, the tablet computer is located between the front shell and the rear shell and embedded into the rear shell, an opening is formed in the position, corresponding to the screen of the tablet computer, of the front shell, a through hole is formed in the rear shell, and the data line can pass through the through hole.
Preferably, the side plate assembly comprises three side plates which are vertically connected in sequence, embedded handle grooves are symmetrically arranged on the two side plates which are opposite in position, a socket groove is arranged on the side plate at the middle position, and a power socket is arranged in the socket groove.
Preferably, the upper cover plate assembly comprises an upper cover plate and a partition plate, the upper cover plate comprises a panel and a groove wall, a through hole is formed in the panel, the groove wall is fixed at the position of the through hole, an edge portion extending inwards is formed in the bottom of the groove wall, the partition plate is connected with the edge portion through a fastener, and the optical fiber hole is formed in the partition plate.
Preferably, the fixing plate assembly comprises a fixing plate, and the collecting device is mounted on the fixing plate through a fastener.
Preferably, the lower cover plate assembly comprises a lower cover plate and two support plates, each support plate comprises a vertical plate, an upper edge and a lower edge, the two support plates are formed by bending a metal plate, the vertical plates are perpendicular to the upper edges, the vertical plates are perpendicular to the lower edges, the lower edges are fixed on the lower cover plate through fasteners, and the fixing plates are fixed on the upper edges through fasteners.
Preferably, the box body structure further comprises four wrap angles, four wrap angles are installed on four edges of the square box body structure along the front-back direction, and the other four wrap angles are installed at four top points of the rear side face of the square box body structure.
Preferably, the upper cover plate is provided with a hinge, and the flip cover is rotatably connected with the upper cover plate through the hinge
Compared with the prior art, the invention has the following technical effects:
the sensing ring can be accommodated in the case of the optical fiber current sensor measuring instrument, the requirement of quickly disassembling and assembling the optical fiber current sensor can be met, two modes of horizontal placement and vertical placement can be selected according to the requirement, the structure is simple, and the operation is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art fiber optic current sensor measurement instrument;
FIG. 2 is a schematic structural diagram of a case of a fiber current sensor measuring instrument in the prior art;
FIG. 3 is a schematic structural view of a front panel assembly;
FIG. 4 is a schematic structural view of an upper cover plate assembly;
FIG. 5 is a schematic view of the construction of the side plate assembly;
FIG. 6 is a schematic structural view of a lower cover plate assembly;
FIG. 7 is a schematic structural view of a fixed plate assembly;
FIG. 8 is a schematic view of the connection between the fixing plate assembly and the lower cover plate assembly;
fig. 9 is a schematic overall structure diagram of the case of the fiber current sensor measuring instrument according to the embodiment;
description of reference numerals: 100-a computer; 200-data lines; 300-a collection device; 400-an optical fiber; 500-electrifying busbar; 600-a sensing loop; 700-tablet computer; 1-a front shell; 2-rear shell; 3-a through hole; 4-side plate; 5-power plug; 6-power socket; 7-embedding a handle groove; 8-upper cover plate; 9-a separator; 10-a lower cover plate; 11-a support plate; 12-wrap angle; 13-a hinge; 14-a fixed plate; 15-flip cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a case of an optical fiber current sensor measuring instrument, which is used for solving the technical problems in the prior art, a sensing ring can be accommodated in the case, and the case can meet the requirement of quickly disassembling and assembling the optical fiber current sensor.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 3 to 9, the present embodiment provides a fiber optic current sensor measuring instrument case for installing a fiber optic current sensor measuring instrument, where the fiber optic current sensor measuring instrument includes a sensing ring 600, an optical fiber 400, an acquisition device 300, a data line 200, and a tablet pc 700, which are connected in sequence. The instrument box of the embodiment is of a square box structure integrally and comprises a front panel assembly, a side panel assembly, an upper cover plate assembly, a lower cover plate assembly, a fixed plate assembly and a turnover cover 15.
The tablet computer 700 is mounted on a front panel assembly, and the front panel assembly is one side face of a square box structure; the side plate assembly is of an n-shaped structure as a whole, and the side plate assembly is of the other three sides of the square box structure; the upper cover plate assembly is the top surface of the square box structure and is provided with a lower groove used for accommodating the sensing ring 600, and the bottom of the lower groove is provided with a fiber hole for the fiber 400 to pass through; the lower cover plate component is the bottom surface of the square box structure; the fixing plate assembly comprises a fixing plate 14, the collecting device 300 is installed on the fixing plate 14 through a fastener, the fixing plate assembly is located in a cavity between the upper cover plate assembly and the lower cover plate assembly, and the fixing plate assembly is fixed on the lower cover plate assembly; the folder 15 detachably covers the upper side of the lower groove.
When the case of the fiber current sensor measuring instrument of the present embodiment is used, the tablet pc 700 of the fiber current sensor measuring instrument is mounted on the front panel assembly, the collecting device 300 is mounted on the fixing panel assembly, the fixing panel assembly is mounted on the lower cover plate assembly, the sensing ring 600 is mounted in the lower groove of the upper cover plate assembly, and then the flip cover 15 is covered. This embodiment is divided into upper and lower two parts through upper cover plate 8 with the inner space of instrument case, and sensing ring 600 and collection system 300 are located upper and lower both sides of upper cover plate 8 respectively, and both link to each other through optic fibre 400, and optic fibre 400 passes the optic fibre hole, have solved prior art and have independently kept the technical problem in the instrument case outside with sensing ring 600, are convenient for wholly save and transport. When in use, the sensing ring 600 can be taken out by opening the flip 15, which is simple and convenient.
The front panel assembly may have various forms as long as the tablet pc 700 can be fixed. In this implementation, preceding panel assembly includes preceding shell 1 and backshell 2, and preceding shell 1 passes through the screw connection with backshell 2. The tablet computer 700 is located between the front shell 1 and the rear shell 2 and is embedded into the rear shell 2, an opening is formed in the position, corresponding to the screen of the tablet computer 700, of the front shell 1, the rear shell 2 is provided with a through wire hole 3, and the through wire hole 3 is used for the data wire 200 to pass through. When the tablet computer 700 is used, the tablet computer 700 can be directly touched through the opening formed in the front shell 1.
In this embodiment, the side plate assembly comprises three side plates 4 which are vertically connected in sequence. In order to facilitate carrying and power supply for the internal measuring instrument, in the embodiment, the embedded handle grooves 7 are symmetrically arranged on the two side plates 4 which are opposite in position, and fingers can be inserted into the embedded handle grooves 7 to carry; a socket groove is arranged on the side plate 4 in the middle, a power socket 6 is arranged in the socket groove, a power plug 5 can be inserted into the power socket 6, and the situation that the power plug 5 does not hinder the case from being placed vertically can be guaranteed.
The upper cover plate assembly of the present embodiment includes an upper cover plate 8 and a partition plate 9, and the upper cover plate 8 includes a panel and a groove wall. The faceplate has a through hole sized to allow the sensor ring 600 to pass through. The groove wall is fixed at the through hole, the bottom of the groove wall is provided with an edge part extending inwards, the partition plate 9 is connected with the edge part through a screw, and the optical fiber hole is positioned on the partition plate 9. Because sensing ring 600 imbeds in the low groove, the cell wall of accessible low groove carries out circumference spacing to sensing ring 600, and the tank bottom through the low groove is carried out spacing of direction from top to bottom to sensing ring 600, prevents that sensing ring 600 and collection system 300 from damaging because of the collision. After the screws mounted on the partition plate 9 and the fixing plate 14 are removed, the entire fixing plate assembly can be taken out, and the optical fiber current sensor can be replaced or maintained.
In this embodiment, the lower cover plate assembly includes a lower cover plate 10 and a support plate 11, and the support plate 11 includes a vertical plate, an upper edge and a lower edge. The supporting plate 11 is formed by bending a metal plate, the vertical plate is perpendicular to the upper edge, and the vertical plate is perpendicular to the lower edge. The support plates 11 are two in number, the lower edge is fixed to the lower cover plate 10 by fasteners, and the fixing plate 14 is fixed to the upper edge by fasteners. The fixing plate 14 is separated from the lower cover plate 10 by a certain distance through the supporting plate 11, so that the heat dissipation of the collecting device 300 is facilitated, and the distribution of the electric wires is also facilitated.
In order to conveniently place the instrument box vertically and prevent the instrument box from being worn, the instrument box further comprises wrap angles 12, wherein four wrap angles 12 are installed on four edges of the square box structure in the front-back direction, and the other four wrap angles 12 are installed at four top points of the back side surface of the square box structure. In actual use, it can be placed in various ways other than with the front panel assembly facing downward.
In the prior art, the detachable installation manner of the flip cover 15 is various, such as a snap connection, a hinge 13 connection, etc. In this embodiment, the upper cover plate 8 is provided with a hinge 13, and the flip cover 15 is rotatably connected with the upper cover plate 8 through the hinge 13.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides an optic fibre current sensor measuring apparatu machine case for install optic fibre current sensor measuring apparatu, optic fibre current sensor measuring apparatu is including the sensing ring, optic fibre, collection system, data line and the panel computer that connect gradually, its characterized in that wholly is square box structure, includes:
the tablet computer is arranged on the front panel assembly, and the front panel assembly is one side surface of the square box structure;
the side plate assembly is of an n-shaped structure as a whole, and the side plate assembly is arranged on the other three sides of the square box structure;
the upper cover plate assembly is the top surface of the square box structure and is provided with a lower groove used for accommodating the sensing ring, and a fiber hole for the optical fiber to pass through is formed in the bottom of the lower groove;
the lower cover plate assembly is the bottom surface of the square box structure;
the fixed plate assembly is used for mounting the acquisition device, is positioned in a cavity between the upper cover plate assembly and the lower cover plate assembly and is fixed on the lower cover plate assembly;
and the flip cover is detachably covered on the upper side of the lower groove.
2. The fiber optic current sensor measurement instrument cabinet according to claim 1, wherein the front panel assembly comprises a front shell and a rear shell, the front shell is connected with the rear shell through a fastener, the tablet computer is located between the front shell and the rear shell and embedded in the rear shell, an opening is formed in the front shell at a position corresponding to a screen of the tablet computer, a through wire hole is formed in the rear shell, and the data wire passes through the through wire hole.
3. The fiber optic current sensor measurement instrument housing of claim 1, wherein the side plate assembly comprises three side plates vertically connected in sequence, wherein two opposite side plates are symmetrically provided with embedded handle slots, and the middle side plate is provided with a socket slot, and a power socket is arranged in the socket slot.
4. The fiber optic current sensor measurement instrument housing of claim 1, wherein the upper cover assembly comprises an upper cover plate and a partition, the upper cover plate comprises a panel and a slot wall, the panel is provided with a through hole, the slot wall is fixed at the through hole, the bottom of the slot wall is provided with an edge portion extending inwards, the partition is connected with the edge portion through a fastener, and the fiber optic hole is located on the partition.
5. The fiber optic current sensor meter housing of claim 1, wherein the mounting plate assembly comprises a mounting plate, the collection device being mounted to the mounting plate by fasteners.
6. The fiber optic current sensor measurement instrument cabinet according to claim 1, wherein the lower cover plate assembly comprises a lower cover plate and two support plates, the support plates comprise vertical plates, an upper edge and a lower edge, the support plates are formed by bending metal plates, the vertical plates are perpendicular to the upper edge, the vertical plates are perpendicular to the lower edge, the lower edge is fixed on the lower cover plate through fasteners, and the fixing plates are fixed on the upper edge through fasteners.
7. The fiber optic current sensor meter housing of claim 1, further comprising four of the corners, four of the corners being mounted on four edges of the square box structure in the front-to-back direction, and the other four corners being mounted at four vertices of the rear side of the square box structure.
8. The fiber optic current sensor measurement instrument housing of claim 4, wherein a hinge is mounted on the upper cover plate, and the flip cover is rotatably connected to the upper cover plate via the hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765918.0A CN111721975B (en) | 2020-08-03 | 2020-08-03 | Optical fiber current sensor measuring instrument case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765918.0A CN111721975B (en) | 2020-08-03 | 2020-08-03 | Optical fiber current sensor measuring instrument case |
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| Publication Number | Publication Date |
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| CN111721975A true CN111721975A (en) | 2020-09-29 |
| CN111721975B CN111721975B (en) | 2024-07-02 |
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| CN202010765918.0A Active CN111721975B (en) | 2020-08-03 | 2020-08-03 | Optical fiber current sensor measuring instrument case |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900123A (en) * | 1988-08-29 | 1990-02-13 | Gte Products Corporation | 1550 nm fiber distribution panel |
| US5119459A (en) * | 1991-02-15 | 1992-06-02 | Porta Systems Corp. | Optical fiber storage and distribution cabinet |
| US5935292A (en) * | 1997-01-08 | 1999-08-10 | 3M Innovative Properties Company | Annealing mold and retainer for making a fiber optic current sensor |
| US6621974B1 (en) * | 2001-11-28 | 2003-09-16 | Max Chu | Fiber converter box |
| CN101393308A (en) * | 2008-11-12 | 2009-03-25 | 四方电气(集团)有限公司 | Low birefringent optical fiber winding and fixing device for optical fibre current sensor |
| RU130718U1 (en) * | 2013-03-20 | 2013-07-27 | Закрытое акционерное общество "Профотек" | SENSOR HEAD OF FIBER OPTICAL ELECTRIC SENSOR |
| CN204740283U (en) * | 2015-05-11 | 2015-11-04 | 王海强 | Fiber optic current sensor's sensing head, fiber optic current sensor and sensing system thereof |
| CN204925214U (en) * | 2015-08-25 | 2015-12-30 | 国网智能电网研究院 | Fiber current sensor |
| US9395507B1 (en) * | 2015-06-17 | 2016-07-19 | All Systems Broadband, Inc. | Universal fiber optic mounting module |
| CN206147085U (en) * | 2016-08-31 | 2017-05-03 | 山东电力设备有限公司 | Current transformer measures frock |
| CN107037253A (en) * | 2017-05-09 | 2017-08-11 | 山东电力设备有限公司 | A kind of all-fiber current transformator sensing head |
| CN208721718U (en) * | 2018-09-10 | 2019-04-09 | 北京柏艾斯科技有限公司 | Portable high-accuracy testing current case |
| CN212364371U (en) * | 2020-08-03 | 2021-01-15 | 北京世维通光智能科技有限公司 | Optical fiber current sensor measuring instrument case |
-
2020
- 2020-08-03 CN CN202010765918.0A patent/CN111721975B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900123A (en) * | 1988-08-29 | 1990-02-13 | Gte Products Corporation | 1550 nm fiber distribution panel |
| US5119459A (en) * | 1991-02-15 | 1992-06-02 | Porta Systems Corp. | Optical fiber storage and distribution cabinet |
| US5935292A (en) * | 1997-01-08 | 1999-08-10 | 3M Innovative Properties Company | Annealing mold and retainer for making a fiber optic current sensor |
| US6621974B1 (en) * | 2001-11-28 | 2003-09-16 | Max Chu | Fiber converter box |
| CN101393308A (en) * | 2008-11-12 | 2009-03-25 | 四方电气(集团)有限公司 | Low birefringent optical fiber winding and fixing device for optical fibre current sensor |
| RU130718U1 (en) * | 2013-03-20 | 2013-07-27 | Закрытое акционерное общество "Профотек" | SENSOR HEAD OF FIBER OPTICAL ELECTRIC SENSOR |
| CN204740283U (en) * | 2015-05-11 | 2015-11-04 | 王海强 | Fiber optic current sensor's sensing head, fiber optic current sensor and sensing system thereof |
| US9395507B1 (en) * | 2015-06-17 | 2016-07-19 | All Systems Broadband, Inc. | Universal fiber optic mounting module |
| CN204925214U (en) * | 2015-08-25 | 2015-12-30 | 国网智能电网研究院 | Fiber current sensor |
| CN206147085U (en) * | 2016-08-31 | 2017-05-03 | 山东电力设备有限公司 | Current transformer measures frock |
| CN107037253A (en) * | 2017-05-09 | 2017-08-11 | 山东电力设备有限公司 | A kind of all-fiber current transformator sensing head |
| CN208721718U (en) * | 2018-09-10 | 2019-04-09 | 北京柏艾斯科技有限公司 | Portable high-accuracy testing current case |
| CN212364371U (en) * | 2020-08-03 | 2021-01-15 | 北京世维通光智能科技有限公司 | Optical fiber current sensor measuring instrument case |
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| CN111721975B (en) | 2024-07-02 |
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