CN109709357A - A kind of shell structure of DPMU distribution synchronous phasor measuring device - Google Patents
A kind of shell structure of DPMU distribution synchronous phasor measuring device Download PDFInfo
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- CN109709357A CN109709357A CN201811636126.2A CN201811636126A CN109709357A CN 109709357 A CN109709357 A CN 109709357A CN 201811636126 A CN201811636126 A CN 201811636126A CN 109709357 A CN109709357 A CN 109709357A
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- lower case
- upper housing
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- slot
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- 238000005259 measurement Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 239000002360 explosive Substances 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000012774 insulation material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a kind of shell structures of DPMU distribution synchronous phasor measuring device, it includes upper housing assembly, lower case assembly and measurement housing assembly.Upper housing assembly includes the first bolt, the second bolt, two bolt rings, upper housing flashing, upper housing rubber sheet gasket and upper housing film；Lower case assembly includes lower case, lower case film and lower case rubber sheet gasket；Measurement housing assembly is bolted with lower case assembly, upper housing assembly matches one end with lower case assembly and is fixed by the first bolt, the entirety for forming a movable folding passes through the bolt ring of bolt ring at two in upper housing assembly other end by the second bolt；After by bolt ring downward 180 ° of rotations, the ring of tightening of bolt ring blocks lower case edge, it is rotated clockwise and tightens ring, the semicircular conductor slot of upper-lower casing forms a concentric circles, rubber sheet gasket closes up clamping conducting wire up and down, and conducting wire and shell are separated, and be suitble to the installation of 10kV overhead transmission line various specifications line footpath.
Description
Technical field
The present invention relates to 10kV overhead transmission line electric network faults to monitor system, and in particular to a kind of DPMU distribution synchronized phasor survey
Measure the shell structure of device.
Background technique
A kind of DPMU distribution synchronous phasor measuring device is had developed in view of our company, in order to reduce production cost, improve life
It produces efficiency, improve installation and maintenance efficiency, then develop a kind of shell structure of DPMU distribution synchronous phasor measuring device.
Currently, detecting fault line for un-ground neutral power system is generally adopted by the shell of all plastic product, inside using spring clip and
Spring pressuring plate compresses conducting wire.Plastic shell is for a long time outdoors under the irradiation of high-intensity ultraviolet and the corrosion of rainwater, by two
To 3 years time shells will it is cracked in addition rupture, cause device to fall.
Fault detection means clamps conducting wire using spring clip and spring leaf, depends merely on spring clip and spring leaf clamping is easy to make
At loosening, equipment shift position, spring clip and spring leaf can generate under the active force of wind in the case where stress always
Fatigue effect reduces clamping force, and equipment and conducting wire is caused to loosen.
Summary of the invention
The main purpose of the present invention is to provide a kind of shell structures of DPMU distribution synchronous phasor measuring device, by DPMU distribution
Acquisition module, control module, power module, Rogowski coil, taking energy coil, cooling fin, GPS/ in synchronous phasor measuring device
Together, forming a upper lower coil can open and close, be easy for installation and removal, waterproof, preventing for GPRS combined antenna, battery assembly
The shell structure of dirt, resisting ultraviolet radiation can be mounted on 10kV overhead transmission line for a long time and can operate normally not by foreign objects
The interference of matter, to reach the reliability raised labour productivity and powered.
To achieve the goals above, the present invention provides a kind of shell structure of DPMU distribution synchronous phasor measuring device, packet
Include upper housing assembly, lower case assembly and measurement housing assembly；
The upper housing assembly includes upper housing, the first bolt, the second bolt, bolt ring, upper housing flashing and upper casing
Body film；The upper housing flashing is fixed with upper housing；Set up first semicircle separately with respect to both sides in the lower end of the upper housing
In addition metallic channel, the upper housing lower end are arranged with the first fixing piece and the second fixing piece, second fixing piece with respect to both sides
On set there are two the first placing groove；
The lower case assembly includes lower case and lower case film；The lower case film is fixed with lower case；It is described
The upper end of lower case sets up a second semicircular conductor slot separately with respect to both sides, in addition the lower end of the lower case is set respectively with respect to both sides
There are third fixing piece and the 4th fixing piece；
Corresponding be bonded up and down with two the second semicircular conductor slots of two the first semicircular conductor slots forms a closure
Annular, first fixing piece are connect with third fixing piece by the first bolt, second fixing piece and are correspondingly placed at two
By the second bolt grafting, two bolt ring other ends are solid with the 4th for one end of two bolt rings of a first placing groove
Determine the second placing groove being correspondingly arranged on part clamping；
The measurement housing assembly is bolted with lower case assembly.
In above-mentioned technical proposal, the upper housing flashing is equipped with the first half slot, the both ends of first half slot
It is connected to respectively with the first semicircular conductor slot of respective end, the upper housing flashing is equipped with the first fixation hole, and first is solid
The first fixing screwed hole for determining to be correspondingly provided on hole and upper housing is screwed；
The upper housing film is equipped with the second fixing screwed hole, and second fixing screwed hole passes through screw and upper housing
The first fixed bolt hole being correspondingly arranged on flashing is fixed, and the upper housing film is pressed on upper housing waterproof by sealing ring
Piece；
The lower case film is equipped with the second half slot, and the both ends of second half slot are respectively and described in respective end
The connection of second semicircular conductor slot, the second fixation hole that the lower case film is equipped on screw and lower case by being correspondingly arranged
The second fixed bolt hole fix, the lower case film is pressed in lower case by sealing ring；
The first semicircular conductor rooved face is equipped with upper housing rubber sheet gasket；The second semicircular conductor rooved face be equipped with
The lower case rubber sheet gasket that upper housing rubber sheet gasket matches.
In above-mentioned technical proposal, each bolt ring includes bolt ring and tightens ring, and the setting of bolt ring is placed first
On slot, the ring of tightening is threadedly coupled with bolt ring, and the ring of tightening with the second placing groove for being clamped.
In above-mentioned technical proposal, it is equipped with the first sealing ring among the upper housing assembly and lower case assembly, described first
On the first sealing ring placing groove that the upper housing is arranged in sealing ring and lower case junction is equipped with.
In above-mentioned technical proposal, the measurement housing assembly includes measuring synchronous end housing, and setting is measuring outside synchronous end
Circuit board, battery, battery folders and cooling fin in shell, and setting GPS/GPRS synthetic antenna on measuring synchronous end housing.
In above-mentioned technical proposal, the third fixed thread for measuring synchronous end housing and passing through third fixation hole and lower case
Hole is fixed with stainless steel band bullet plain cushion bolt, and is provided with the second sealing among the lower case assembly and measurement housing assembly
Circle, second sealing ring are placed on the second sealing ring placing groove that measurement synchronizes end housing and lower case junction is equipped with.
In above-mentioned technical proposal, the upper housing, upper housing flashing, lower case, the synchronous end housing of measurement are all made of aluminium
Alloy material is made, and molds aluminum die one-pass molding with CNC machining center, stainless steel cast-aluminum die or sand, and surface uses oxygen
Change true qualities processing；First bolt, the second bolt, bolt ring are made of 304 stainless steel materials, with CNC machining center or
Press machine one-pass molding, and surface uses polishing treatment；The upper housing film and lower case film using nylon, ABS or
PE material is made, with CNC machining center, stainless steel injection mold or 3D printing one-pass molding；The upper housing rubber sheet gasket and
Lower case rubber sheet gasket uses butadiene acrylonitrile rubber material, with stainless steel gel-injection mould one-pass molding.
In above-mentioned technical proposal, the upper housing assembly further includes upper housing Rogowski coil and upper housing taking energy coil, institute
It states upper housing Rogowski coil and upper housing taking energy coil is arranged between upper housing and upper housing flashing；The lower case assembly
It further include lower case Rogowski coil, lower case taking energy coil and lower case taking energy coil intermediate plate, the lower case taking energy coil folder
Piece encases the outer semi-circular portions of lower case taking energy coil, and lower case taking energy coil is fixed in lower case, lower case sieve
Family name's coil, lower case taking energy coil and lower case taking energy coil intermediate plate are arranged between lower case and lower case film；
The upper housing Rogowski coil passes through upper housing flashing and forms one with the lower case Rogowski coil for passing through lower case
A concentric circles；The upper housing taking energy coil passes through upper housing flashing and passes through the lower case Rogowski coil shape of lower case film
At a concentric circles.
In above-mentioned technical proposal, the upper housing flashing is set there are two the first slot, two first slots with it is upper
2 semicircle sections part of shell Rogowski coil matches, for blocking 2 semicircle sections part of upper housing Rogowski coil；
Two annular protrusions are additionally provided on the upper housing film, two annular protrusions are used to withstand upper housing taking energy coil
Interior semi-circular portions and upper housing taking energy coil is firmly fixed on upper housing.
In above-mentioned technical proposal, the upper housing is also successively arranged first annular slot between two the first semicircular conductor slots
With two first annular protrusions, the first annular slot is used to block the semi-circular portions of upper housing Rogowski coil, and two described the
One annular protrusion is used to withstand the outer semi-circular portions of upper housing taking energy coil；
The lower case is also successively arranged corresponding with first annular slot between two the second semicircular conductor slots
Second ring slot and two the second annular protrusions corresponding with two first annular protrusions, second annular groove are used to block down
The semi-circular portions of shell Rogowski coil, two second annular protrusions are used to block the interior semi-circular portions of lower taking energy coil；Institute
The two sides for stating the second annular groove are also correspondingly provided with second slot corresponding with two the first slots, two second slots
Hole is used to block 2 semicircle sections part of lower case Rogowski coil.
Compared with prior art, the beneficial effects of the present invention are:
1. can need to detect and problematic device with dismounting in the case of network live；
2. reducing since the detection that has a power failure is with economic loss brought by more changing device and to people's life, work bring
Loss；
3. increasing the service life of device, and easy to operate；
4. improving the reliability of power supply, reduce the labor intensity of construction personnel, improves the work peace of construction personnel
Quan Xing；
5. being suitable for the installation of the various line footpaths of 10kV overhead distribution.
Detailed description of the invention
Fig. 1 is general assembly schematic diagram of the invention；
Fig. 2 is Structure explosion diagram of the invention；
Fig. 3 is the explosive view of upper housing assembly of the invention；
Fig. 4 is the explosive view of lower case assembly of the invention；
Fig. 5 is the explosive view of measurement housing assembly of the invention；
Fig. 6 is upper housing schematic diagram of the invention；
Fig. 7 is bolt schematic diagram of the invention；
Fig. 8 is bolt ring schematic diagram of the invention；
Fig. 9 is upper housing flashing schematic diagram of the invention；
Figure 10 is upper housing rubber sheet gasket schematic diagram of the invention；
Figure 11 is upper housing film schematic diagram of the invention；
Figure 12-1 is lower case bottom view of the invention；
Figure 12-2 is lower case top view of the invention；
Figure 13 is lower case film schematic diagram of the invention；
Figure 14 is lower case rubber sheet gasket schematic diagram of the invention；
Figure 15 is the measurement housing assembly schematic diagram in the present invention；
In figure:
1, upper housing assembly；2, lower case assembly；3, housing assembly is measured；
1.1, upper housing；1.1.1, the first placing groove；1.1.2a, the first putting hole；1.1.2b, the second putting hole；
1.1.3, the first sealing ring placing groove；1.1.4, the first fixing screwed hole；1.1.5, the first semicircular conductor slot；1.1.6, the 4th is solid
Determine threaded hole；1.1.7, first annular slot；1.1.8, first annular protrusion；1.2a, the first bolt；1.2b, the second bolt；
1.2.1, bolt jump-ring slot；1.2.2, bolt cap；1.3, bolt ring；1.3.1, bolt ring；1.3.2, tighten ring；1.4, upper housing
Flashing；1.4.1, the first fixed bolt hole；1.4.2, the first fixation hole；1.4.3, the first half slot；1.4.4, the first slot；
1.5, upper housing rubber sheet gasket；1.5.1, rubber sheet gasket fixation hole；1.6, upper housing film；1.6.1, the second fixing screwed hole；
1.7, upper housing Rogowski coil；1.8, upper housing taking energy coil；
2.1, lower case；2.1.1, the second placing groove；2.1.2, third putting hole；2.1.3, the second fixed bolt hole；
2.1.4, the 5th fixing screwed hole；2.1.5, the second semicircular conductor slot；2.1.6, the second sealing ring placing groove；2.1.7, third it is solid
Determine threaded hole；2.1.8, the second annular groove；2.1.9, the second slot；2.1.10 the second annular protrusion；2.2, lower case film；
2.2.1, the second fixation hole；2.2.2, the second half slot；2.3, lower case rubber sheet gasket；2.3.1, rubber sheet gasket fixation hole；
2.4, lower case Rogowski coil；2.5, lower case taking energy coil；2.6, lower case taking energy coil intermediate plate；
3.1, synchronous end housing is measured；3.1.1, third fixation hole；3.2, circuit board；3.3, battery；3.4,GPS/GPRS
Synthetic antenna；3.5, cooling fin；
4, the first fixing piece；5, the second fixing piece；6, third fixing piece；7, the 4th fixing piece；
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, and following embodiment is to of the invention
Explain and the invention is not limited to following embodiments.
As shown in Figures 1 to 5, the present invention provides a kind of shell structure of DPMU distribution synchronous phasor measuring device, including
Upper housing assembly 1, lower case assembly 2 and measurement housing assembly 3；
Upper housing assembly 1 is anti-including upper housing 1.1, the first bolt 1.2a, the second bolt 1.2b, bolt ring 1.3, upper housing
Water piece 1.4, upper housing film 1.6, upper housing Rogowski coil 1.7 and upper housing taking energy coil 1.8, upper housing Rogowski coil 1.7
And upper housing taking energy coil 1.8 is arranged between upper housing 1.1 and upper housing flashing 1.4；Upper housing flashing 1.4 and upper casing
Body 1.1 is fixed；The lower end of upper housing 1.1 sets up a first semicircular conductor slot 1.1.5 separately with respect to both sides, and 1.1 lower end of upper housing is another
Outer opposite both sides are arranged with the first fixing piece 4 and the second fixing piece 5, set that there are two the first placing grooves on the second fixing piece 5
1.1.1；
Lower case assembly 2 takes energy line including lower case 2.1, lower case film 2.2, lower case Rogowski coil 2.4, lower case
Circle 2.5 and lower case taking energy coil intermediate plate 2.6, lower case taking energy coil intermediate plate 2.6 encase the outer semicircle of lower case taking energy coil 2.5
Part, and lower case taking energy coil 2.5 is fixed in lower case 2.1；Lower case Rogowski coil 2.4, lower case taking energy coil
2.5 and lower case taking energy coil intermediate plate 2.6 be arranged between lower case 2.1 and lower case film 2.2；Lower case film 2.2 with
Lower case 2.1 is fixed；The upper end of lower case 2.1 sets up a second semicircular conductor slot 2.1.5 separately with respect to both sides, lower case 2.2
In addition lower end is respectively equipped with third fixing piece 6 and the 4th fixing piece 7 with respect to both sides；
Two the first semicircular conductor slot 1.1.5 are corresponding to be bonded formation one with two the second semicircular conductor slot 2.1.5 or more
The annular of closure, the first fixing piece 4 are clamped with third fixing piece 6 and are connect by the first bolt 1.2a, specifically, first is fixed
Be provided with the first putting hole 1.1.2a on part 4, third putting hole 2.1.2 be set on third fixing piece, the first putting hole 1.1.2 and
Third putting hole 2.1.1 with the first bolt 1.2a grafting.Second fixing piece 5 and it is correspondingly placed at two the first placing grooves
1.1.1 one end of bolt ring 1.3 with the second bolt 1.2b grafting, two 1.3 other ends of bolt ring with the 4th fixing piece 7
On be correspondingly arranged the second placing groove 2.1.1 clamping；Upper housing Rogowski coil 1.7 passes through upper housing flashing 1.4 and passes through down
The lower case Rogowski coil 2.4 of shell 2.1 forms a concentric circles, takes current in wire amount by circuit；Upper housing takes energy line
Circle 1.8 passes through upper housing flashing 1.4 and forms a concentric circles with the lower case Rogowski coil 2.4 for passing through lower case film 2.2,
It generates energy by current in wire and charges the battery and guarantee the power supply system of device.
As shown in figure 8, each bolt ring 1.3 includes bolt ring 1.3.1 and tightens ring 1.3.2, bolt ring 1.3.1 setting exists
It on first placing groove 1.1.1, tightens ring 1.3.2 and is threadedly coupled with bolt ring 1.3.1, tighten ring 1.3.2 for placing with second
Slot 2.1.1 clamping.Specifically, being additionally provided with the second putting hole 1.1.2b, the second putting hole 1.1.2b and two on the second fixing piece 5
Bolt ring 1.3.1 with the second bolt 1.2b grafting.
In the present invention, the first bolt 1.2a is identical as the structure of the second bolt 1.2b, as shown in fig. 7, the first bolt 1.2a
It is provided with bolt jump-ring slot 1.2.1 and bolt cap 1.2.2.Measurement housing assembly 3 is bolted with lower case assembly 2.
As shown in Fig. 3, Fig. 6 and Fig. 9, upper housing flashing 1.4 is equipped with the first half slot 1.4.3, the first half slot
1.4.3 both ends are connected to the first semicircular conductor slot 1.1.5 of respective end respectively, the two sides pair of first one end half slot 1.4.3
A first slot 1.4.4,2 semicircle sections of two the first slot 1.4.4 and upper housing Rogowski coil 1.7 should be equipped with
Part matches, for blocking 2 semicircle sections part of upper housing Rogowski coil 1.7.It is additionally provided on upper housing flashing 1.4
The first fixing screwed hole 1.1.4 being correspondingly provided on first fixation hole 1.4.2, the first fixation hole 1.4.2 and upper housing 1.1 passes through
Screw is fixed.
As shown in fig. 6, upper housing is also successively arranged first annular slot between two the first semicircular conductor slot 1.1.5
1.1.7 it is used to block the half-round of upper housing Rogowski coil 1.7 with two first annular protrusion 1.1.8, first annular slot 1.1.7
Point, two first annular protrusion 1.1.8 are used to withstand the outer semi-circular portions of upper housing taking energy coil 1.8.
As shown in Fig. 3, Fig. 6 and Figure 11, upper housing film 1.6 is equipped with the second fixing screwed hole 1.6.1, the second fixed spiral shell
Pit 1.6.1 is fixed by the first fixed bolt hole 1.4.1 being correspondingly arranged on screw and upper housing flashing 1.4, upper housing
Film 1.6 is pressed on upper housing flashing 1.4 by sealing ring；
As in figs. 3 and 11, two annular protrusion 1.6.2, annular protrusion 1.6.2 are additionally provided on upper housing film 1.6
For withstanding the interior semi-circular portions of upper housing taking energy coil 1.8 and upper housing taking energy coil 1.8 being firmly fixed to upper housing
On 1.1.
As shown in Fig. 4, Figure 12-2 and Figure 13, lower case film 2.2 is equipped with the second half slot 2.2.2, the second half slot
2.2.2 both ends are connected to the second semicircular conductor slot 2.1.5 of respective end respectively, and lower case film 2.2 is equipped with second solid
Determine hole 2.2.1 to fix by the second fixed bolt hole 2.1.3 being correspondingly arranged on screw and lower case 2.1, lower case film 2.2
It is pressed in lower case 2.1 by sealing ring；
As shown in Figure 12-1, lower case is also successively arranged and the first ring between two the second semicircular conductor slot 2.1.5
The corresponding second annular groove 2.1.8 of shape slot 1.1.7 and two second annulars corresponding with two first annular protrusion 1.1.8
Raised 2.1.10, the second annular groove 2.1.8 are used to block the semi-circular portions of lower case Rogowski coil 2.4, two the second convex annulars
Play the interior semi-circular portions that 2.1.10 is used to block lower taking energy coil；The two sides of the second annular groove 2.1.8 are also correspondingly provided with one
A second slot 2.1.9 corresponding with two the first slot 1.4.4, two the second slot 2.1.9 are used to block lower case sieve
2 semicircle sections part of family name's coil.
As shown in figs. 3 and 10, the first semicircular conductor surface slot 1.1.5 is equipped with upper housing rubber sheet gasket 1.5, specifically,
The rubber sheet gasket fixation hole 1.5.1 that upper housing rubber sheet gasket 1.5 is equipped with passes through screw and the first semicircular conductor slot 1.1.5 upper the
Four fixing screwed hole 1.1.6 are fixed；As shown in fig. 4 and 13, it is provided with and upper casing body rubber on the second semicircular conductor slot 2.1.5
The lower case rubber sheet gasket 2.3 that gasket 1.5 matches, specifically, the rubber sheet gasket that lower case rubber sheet gasket 2.3 is equipped with is fixed
Hole 2.3.1 is fixed by screw and the 5th fixing screwed hole 2.1.4 on the second semicircular conductor slot 2.1.5.
In the present invention, it is equipped with the first sealing ring (not providing in figure) among upper housing assembly 1 and lower case assembly 2, it is described
The first sealing ring placing groove 1.1.3 that the upper housing 1.1 is arranged in first sealing ring and 2.1 junction of lower case is equipped with
On.
As shown in figure 5, measurement housing assembly 3 includes measuring synchronous end housing 3.1, setting is measuring synchronous end housing 3.1
Interior circuit board 3.2, battery 3.3, battery folders and cooling fin 3.5, and setting GPS/GPRS on measuring synchronous end housing 3.1
Synthetic antenna 3.4.As shown in Figure 12-1 and Figure 15, the third that synchronous end housing 3.1 passes through fixation hole 3.1.1 and lower case is measured
Fixing screwed hole 2.1.7 is fixed with stainless steel band bullet plain cushion bolt, and is arranged among lower case assembly 2 and measurement housing assembly 3
Have the second sealing ring (not provided in figure), the second sealing ring is placed on the synchronous end housing 3.1 of measurement and 2.1 junction of lower case is set
On the second sealing ring placing groove 2.1.6 having.
In the present invention, upper housing 1.1, upper housing flashing 1.4, lower case 2.1, the synchronous end housing 3.1 of measurement are all made of
Aluminum alloy material is made, and molds aluminum die one-pass molding with CNC machining center, stainless steel cast-aluminum die or sand, and surface uses
Aoxidize true qualities processing；First bolt 1.2a, the second bolt 1.2b, bolt ring 1.3 are made of 304 stainless steel materials, with CNC plus
Work center or press machine one-pass molding, and surface uses polishing treatment；Upper housing film 1.6 and lower case film 2.2 use
Nylon, ABS or PE material are made, with CNC machining center, stainless steel injection mold or 3D printing one-pass molding；Upper casing body rubber
Gasket 1.5 and lower case rubber sheet gasket 2.3 use butadiene acrylonitrile rubber material, with stainless steel gel-injection mould one-pass molding.
In the present invention, one end that upper housing 1.1 is matched with lower case 2.1 passes through first by the first bolt 1.2a and places
Hole 1.1.2a, third putting hole 2.1.2 and circlip are fixed, formed one can activity folding entirety, in the another of upper housing 1.1
Outer one end, which respectively corresponds two bolt rings 1.3, to be placed at two the first placing groove 1.1.1, is passed through by the second bolt 1.2b
Second putting hole 1.1.2 is fixed also cross the bolt ring 1.3.1 of bolt ring 1.3 at two with circlip；First semicircular conductor slot
1.1.5, the second semicircular conductor slot 2.1.5 or more forms the annular of a closure, and bolt ring 1.3 can turn within upper and lower 180 °
Dynamic, after by bolt ring 1.3 downward 180 ° of rotations, the ring 1.3.2 that tightens of bolt ring 1.3 blocks lower case edge, and rotation is tightened
Ring 1.3.2 clockwise, makes the semicircular conductor slot of upper-lower casing form a concentric circles, passes through upper housing rubber sheet gasket
1.6 and lower case rubber sheet gasket 2.3 it is upper and lower close up will clamp high-voltage conducting wires, and conducting wire and shell are separated, and be suitble to 10kV
The installation of overhead transmission line various specifications line footpath.
It is flat with stainless steel band bullet by fixation hole 3.1.1 and the third fixing screwed hole 2.1.7 of lower case to measure shell 3.1
Pad bolt is fixed, and is provided with sealing ring among lower case assembly 2 and measurement housing assembly 3.
All casing parts are designed to aluminum alloy material in the present invention, but in upper and lower taking energy coil and 10kV aerial condutor
Induction part be designed to nylon or ABS material, allow taking energy coil to interfere entirely without metal, reach take can high-efficient feature,
And the aluminum alloy material of shell be surface-treated after can keep good quality in more harsh environment outdoors for a long time, do not give birth to
Rust, not burn into hardness are influenced by various natural weathers by force, not, to extend the service life of device.
Since entire shell belongs to metal material, in the case where 10kV aerial condutor belongs to bare conductor, above and below design
Shell film and upper and lower rubber sheet gasket belong to all insulation material, can allow and lead in the case where so that 10kV aerial condutor is belonged to bare conductor
Line is completely separated non-conductive with metal shell, so that current in wire be allowed to pass fully through taking energy coil, makes the energy that must be obtained more
It is more.
When needing that DPMU distribution synchronous phasor measuring device is detected and dismantled, it is only necessary to common with electric system
Tool link rod, catch on device bolt ring counter-clockwise direction rotation so that on take can end taken under energy end thread off completely, just
It can very easily be dismantled in network live and need to detect and problematic device.
The foregoing is merely preferred embodiments of the invention, are not intended to limit the scope of the invention, all utilizations
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of shell structure of DPMU distribution synchronous phasor measuring device, it is characterised in that: including upper housing assembly (1), under
Housing assembly (2) and measurement housing assembly (3)；
The upper housing assembly (1) includes upper housing (1.1), the first bolt (1.2a), the second bolt (1.2b), bolt ring
(1.3), upper housing flashing (1.4) and upper housing film (1.6)；The upper housing flashing (1.4) and upper housing (1.1) are solid
It is fixed；Set up a first semicircular conductor slot (1.1.5), the upper housing (1.1) separately with respect to both sides in the lower end of the upper housing (1.1)
In addition lower end is arranged with the first fixing piece (4) and the second fixing piece (5) with respect to both sides, second fixing piece (5) is equipped with two
A first placing groove (1.1.1)；
The lower case assembly (2) includes lower case (2.1) and lower case film (2.2)；The lower case film (2.2) is under
Shell (2.1) is fixed；The upper end of the lower case (2.1) sets up a second semicircular conductor slot (2.1.5) separately with respect to both sides, described
The lower end of lower case (2.2) is in addition respectively equipped with third fixing piece (6) and the 4th fixing piece (7) with respect to both sides；
Two the first semicircular conductor slots (1.1.5) are corresponding to be bonded formation with two the second semicircular conductor slots (2.1.5) up and down
The annular of one closure, first fixing piece (4) and third fixing piece (6) pass through the first bolt (1.2a) and connect, and described the
Two fixing pieces (5) and be correspondingly placed at two the first placing grooves (1.1.1) two bolt rings (1.3) one end by second insert
Sell (1.2b) grafting, two bolt ring (1.3) other ends with the second placing groove for being correspondingly arranged on the 4th fixing piece (7)
(2.1.1) clamping；
The measurement housing assembly (3) is bolted with lower case assembly (2).
2. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 1, it is characterised in that: institute
Upper housing flashing (1.4) are stated equipped with the first half slot (1.4.3), the both ends of first half slot (1.4.3) respectively with
The first semicircular conductor slot (1.1.5) of respective end is connected to, and the upper housing flashing (1.4) is equipped with the first fixation hole
(1.4.2), the first fixing screwed hole (1.1.4) being correspondingly provided on the first fixation hole (1.4.2) and upper housing (1.1) pass through spiral shell
Silk is fixed；
The upper housing film (1.6) is equipped with the second fixing screwed hole (1.6.1), and the second fixing screwed hole (1.6.1) passes through
The first fixed bolt hole (1.4.1) being correspondingly arranged on screw and upper housing flashing (1.4) is fixed, the upper housing film
(1.6) upper housing flashing (1.4) are pressed on by sealing ring；
The lower case film (2.2) is equipped with the second half slot (2.2.2), the both ends point of second half slot (2.2.2)
It is not connected to the second semicircular conductor slot (2.1.5) of respective end, the second fixation that the lower case film (2.2) is equipped with
Hole (2.2.1) is fixed by the second fixed bolt hole (2.1.3) being correspondingly arranged on screw and lower case (2.1), the lower casing
Body film (2.2) is pressed on lower case (2.1) by sealing ring；
The first semicircular conductor slot surface (1.1.5) is equipped with upper housing rubber sheet gasket (1.5)；The second semicircular conductor slot
The surface (2.1.5) is equipped with the lower case rubber sheet gasket (2.3) matched with upper housing rubber sheet gasket (1.5).
3. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 1, it is characterised in that: every
A bolt ring (1.3) includes bolt ring (1.3.1) and tightens ring (1.3.2), and the bolt ring (1.3.1) is arranged first
On placing groove (1.1.1), the ring (1.3.2) of tightening is threadedly coupled with bolt ring (1.3.1), described to tighten ring (1.3.2) use
It is clamped in the second placing groove (2.1.1).
4. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 1, it is characterised in that: institute
It states and is equipped with the first sealing ring among upper housing assembly (1) and lower case assembly (2), first sealing ring is arranged in the upper casing
On the first sealing ring placing groove (1.1.3) that body (1.1) and lower case (2.1) junction are equipped with.
5. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 1, it is characterised in that: institute
Stating measurement housing assembly (3) includes measuring synchronous end housing (3.1), is arranged and is measuring the circuit board in synchronous end housing (3.1)
(3.2), battery (3.3), battery folders and cooling fin (3.5), and setting are measuring the GPS/GPRS on synchronous end housing (3.1)
Synthetic antenna (3.4).
6. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 5, it is characterised in that: the survey
It measures synchronous end housing (3.1) and stainless steel is used by the third fixing screwed hole (2.1.7) of third fixation hole (3.1.1) and lower case
Band plays plain cushion bolt and fixes, and is provided with the second sealing ring, institute among the lower case assembly (2) and measurement housing assembly (3)
It states the second sealing ring and is placed on the second sealing ring placement that synchronous end housing (3.1) and lower case (2.1) junction of measurement is equipped with
On slot (2.1.6).
7. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 1 to 6,
Be characterized in that: the upper housing (1.1), lower case (2.1), measures synchronous end housing (3.1) at upper housing flashing (1.4)
It is made of aluminum alloy material, molds aluminum die one-pass molding, and surface with CNC machining center, stainless steel cast-aluminum die or sand
Using oxidation true qualities processing；First bolt (1.2a), the second bolt (1.2b), bolt ring (1.3) use 304 stainless steels
Matter is made, and with CNC machining center or press machine one-pass molding, and surface uses polishing treatment；The upper housing film (1.6)
It is made with lower case film (2.2) of nylon, ABS or PE material, is beaten with CNC machining center, stainless steel injection mold or 3D
Printing formed in one piece；The upper housing rubber sheet gasket (1.5) and lower case rubber sheet gasket (2.3) use butadiene acrylonitrile rubber material, and use is stainless
Steel gel-injection mould one-pass molding.
8. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 1, it is characterised in that: on described
Housing assembly (1) further includes upper housing Rogowski coil (1.7) and upper housing taking energy coil (1.8), the upper housing Rogowski coil
(1.7) it is arranged between upper housing (1.1) and upper housing flashing (1.4) with upper housing taking energy coil (1.8)；The lower case
Assembly (2) further includes lower case Rogowski coil (2.4), lower case taking energy coil (2.5) and lower case taking energy coil intermediate plate
(2.6), the lower case taking energy coil intermediate plate (2.6) encases lower case taking energy coil (2.5) outer semi-circular portions, and by lower case
Taking energy coil (2.5) is fixed on lower case (2.1), the lower case Rogowski coil (2.4), lower case taking energy coil (2.5)
And lower case taking energy coil intermediate plate (2.6) is arranged between lower case (2.1) and lower case film (2.2)；
The upper housing Rogowski coil (1.7) passes through upper housing flashing (1.4) and passes through the lower case Roche of lower case (2.1)
Coil (2.4) forms a concentric circles；The upper housing taking energy coil (1.8) passes through upper housing flashing (1.4) and passes through down
The lower case Rogowski coil (2.4) of shell film (2.2) forms a concentric circles.
9. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 8, it is characterised in that: on described
Shell flashing (1.4) is set there are two the first slot (1.4.4), two first slots (1.4.4) and upper housing Roche line
2 semicircle sections part of circle (1.7) matches, for blocking 2 semicircle sections part of upper housing Rogowski coil (1.7)；
Two annular protrusions (1.6.2) are additionally provided on the upper housing film (1.6), two annular protrusions (1.6.2) are used to push up
It lives in the interior semi-circular portions of shell taking energy coil (1.8) and upper housing taking energy coil (1.8) is firmly fixed to upper housing
(1.1) on.
10. a kind of shell structure of DPMU distribution synchronous phasor measuring device according to claim 9, it is characterised in that: described
Upper housing (1.1) is also successively arranged first annular slot (1.1.7) and two between two the first semicircular conductor slots (1.1.5)
One annular protrusion (1.1.8), the first annular slot (1.1.7) are used to block the semi-circular portions of upper housing Rogowski coil (1.7),
Two first annular raised (1.1.8) are used to withstand the outer semi-circular portions of upper housing taking energy coil (1.8)；
The lower case (2.1) is also successively arranged and first annular slot between two the second semicircular conductor slots (2.1.5)
(1.1.7) corresponding second annular groove (2.1.8) and two the second rings corresponding with two first annular raised (1.1.8)
Shape protrusion (2.1.10), second annular groove (2.1.8) are used to block the semi-circular portions of lower case Rogowski coil (2.4), and two
A second annular protrusion (2.1.10) is used to block the interior semi-circular portions of lower case taking energy coil (2.5)；Second ring
The two sides of shape slot (2.1.8) are also correspondingly provided with second slot (2.1.9) corresponding with two the first slot (1.4.4),
Two second slots (2.1.9) are used to block 2 semicircle sections part of lower case Rogowski coil (2.4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811636126.2A CN109709357B (en) | 2018-12-29 | 2018-12-29 | DPMU joins in marriage net synchrophasor measuring device's shell structure |
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|---|---|---|---|
| CN201811636126.2A CN109709357B (en) | 2018-12-29 | 2018-12-29 | DPMU joins in marriage net synchrophasor measuring device's shell structure |
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| CN109709357A true CN109709357A (en) | 2019-05-03 |
| CN109709357B CN109709357B (en) | 2024-06-04 |
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| CN201811636126.2A Active CN109709357B (en) | 2018-12-29 | 2018-12-29 | DPMU joins in marriage net synchrophasor measuring device's shell structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238557A (en) * | 2020-02-11 | 2020-06-05 | 国电南瑞科技股份有限公司 | Safe anti-drop's transmission line monitor terminal |
| CN112067859A (en) * | 2020-09-07 | 2020-12-11 | 广东电网有限责任公司 | Distribution lines fault information acquisition and recognition terminal |
| CN112083266A (en) * | 2020-08-07 | 2020-12-15 | 云南电网有限责任公司昭通供电局 | 10kV overhead line distributed monitoring and positioning system |
| CN113433372A (en) * | 2021-06-24 | 2021-09-24 | 邹婕 | Non-contact current detection device of building fire-fighting equipment |
| CN116599238A (en) * | 2023-07-18 | 2023-08-15 | 青岛鼎信通讯股份有限公司 | Modular fault indicator energy taking module and using method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02290405A (en) * | 1989-03-06 | 1990-11-30 | Westinghouse Electric Corp <We> | Radial supporting device for outer shell member |
| CN201878443U (en) * | 2010-11-29 | 2011-06-22 | 江苏通驰自动化系统有限公司 | Half-structured shell of high-voltage wireless data acquisition device |
| CN203798832U (en) * | 2014-01-21 | 2014-08-27 | 萧县百顺纺织品有限公司 | High-performance power fault indicator overhead line branching device |
| CN104133103A (en) * | 2014-07-31 | 2014-11-05 | 国网浙江余姚市供电公司 | Device for monitoring overhead wire load currents |
| CN105186429A (en) * | 2015-10-30 | 2015-12-23 | 江苏省电力公司南京供电公司 | Energy obtaining terminal for alternating current overhead ground wire |
| CN204926948U (en) * | 2015-07-10 | 2015-12-30 | 郑州海恩德节能科技有限公司 | Prevent magnetic field interference type luo shi coil |
| CN106569088A (en) * | 2016-09-13 | 2017-04-19 | 北京映翰通网络技术股份有限公司 | Power distribution network line fault indication and positioning device |
| CN108597829A (en) * | 2018-07-02 | 2018-09-28 | 南京江北自动化技术有限公司 | It is a kind of can the open-close type of antirust take can current transformer |
| CN209559933U (en) * | 2018-12-29 | 2019-10-29 | 武汉新电电气股份有限公司 | The shell structure of DPMU distribution synchronous phasor measuring device |
-
2018
- 2018-12-29 CN CN201811636126.2A patent/CN109709357B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02290405A (en) * | 1989-03-06 | 1990-11-30 | Westinghouse Electric Corp <We> | Radial supporting device for outer shell member |
| CN201878443U (en) * | 2010-11-29 | 2011-06-22 | 江苏通驰自动化系统有限公司 | Half-structured shell of high-voltage wireless data acquisition device |
| CN203798832U (en) * | 2014-01-21 | 2014-08-27 | 萧县百顺纺织品有限公司 | High-performance power fault indicator overhead line branching device |
| CN104133103A (en) * | 2014-07-31 | 2014-11-05 | 国网浙江余姚市供电公司 | Device for monitoring overhead wire load currents |
| CN204926948U (en) * | 2015-07-10 | 2015-12-30 | 郑州海恩德节能科技有限公司 | Prevent magnetic field interference type luo shi coil |
| CN105186429A (en) * | 2015-10-30 | 2015-12-23 | 江苏省电力公司南京供电公司 | Energy obtaining terminal for alternating current overhead ground wire |
| CN106569088A (en) * | 2016-09-13 | 2017-04-19 | 北京映翰通网络技术股份有限公司 | Power distribution network line fault indication and positioning device |
| CN108597829A (en) * | 2018-07-02 | 2018-09-28 | 南京江北自动化技术有限公司 | It is a kind of can the open-close type of antirust take can current transformer |
| CN209559933U (en) * | 2018-12-29 | 2019-10-29 | 武汉新电电气股份有限公司 | The shell structure of DPMU distribution synchronous phasor measuring device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238557A (en) * | 2020-02-11 | 2020-06-05 | 国电南瑞科技股份有限公司 | Safe anti-drop's transmission line monitor terminal |
| CN112083266A (en) * | 2020-08-07 | 2020-12-15 | 云南电网有限责任公司昭通供电局 | 10kV overhead line distributed monitoring and positioning system |
| CN112083266B (en) * | 2020-08-07 | 2023-05-02 | 云南电网有限责任公司昭通供电局 | 10kV overhead line distributed monitoring and positioning system |
| CN112067859A (en) * | 2020-09-07 | 2020-12-11 | 广东电网有限责任公司 | Distribution lines fault information acquisition and recognition terminal |
| CN112067859B (en) * | 2020-09-07 | 2024-01-09 | 广东电网有限责任公司 | Distribution line fault information acquisition and identification terminal |
| CN113433372A (en) * | 2021-06-24 | 2021-09-24 | 邹婕 | Non-contact current detection device of building fire-fighting equipment |
| CN113433372B (en) * | 2021-06-24 | 2022-06-10 | 邹婕 | Non-contact current detection device of building fire-fighting equipment |
| CN116599238A (en) * | 2023-07-18 | 2023-08-15 | 青岛鼎信通讯股份有限公司 | Modular fault indicator energy taking module and using method thereof |
| CN116599238B (en) * | 2023-07-18 | 2023-10-31 | 青岛鼎信通讯股份有限公司 | Modular fault indicator energy taking module and using method thereof |
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