CN108594069A - A kind of improved intelligent grid sensing device - Google Patents
A kind of improved intelligent grid sensing device Download PDFInfo
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- CN108594069A CN108594069A CN201810307651.3A CN201810307651A CN108594069A CN 108594069 A CN108594069 A CN 108594069A CN 201810307651 A CN201810307651 A CN 201810307651A CN 108594069 A CN108594069 A CN 108594069A
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- 238000007906 compression Methods 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 238000013016 damping Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 208000002925 dental caries Diseases 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000234 capsid Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- 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
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Abstract
The present invention relates to a kind of improved intelligent grid sensing devices, including shell and electronic circuit board, cavity is equipped in the shell, the shell includes the upper shell and lower housing that can be separated from each other, and the cavity includes the first cavity and the second cavity relatively set up separately in the upper shell and lower housing；It further include opening-closing locking component, the opening-closing locking component includes folding screw rod, compression spring, power line locking sliding block and screw rod pressure cap, the power line locking sliding block is located in the cavity, the folding screw rod sequentially passes through the first cavity, power line locking sliding block and the second cavity from top to bottom, is connected by compression spring between the power line locking sliding block and the first cavity.Cost and weight of the present invention are lower, and installing and dismounting is more convenient, and reliability higher.
Description
Technical field
The present invention relates to a kind of improved intelligent grid sensing device more particularly to a kind of improved intelligent grid sensing dresses
It sets.
Background technology
Existing mesolow distribution overhead line (380V~35KV) is the multiple circuit of failure, and a large amount of sensing device is needed
Realize the monitoring to circuit and fault location.The problems such as due to operation of power networks cost and safe operation of electric network, need sensing device
It safe and convenient can be efficiently installed on the measurement position of power line needs, and can guarantee that locking power line will not cause to fill
It sets and the accidents such as itself rotates, break away, even fall.Under most installation situations, power grid need sensing device installation or
It can be carried out in the case where power grid does not have a power failure when dismounting, this just needs sensing device can be by using insulating bar safety
It quickly realizes and is opened from device, tangles power line, being closed the complete procedure up to locking power line.
The insulation using a variety of different line footpaths or exposed power line due to the existing overhead transmission lines of 380V~35KV, this is just needed
Want sensing device that can flexibly be compatible with different line footpaths, i.e., the electricity of the different line footpaths of locking that can be adaptive when locking power line
The line of force.
Existing sensor device has used two screw rods for the unlatching of realization device, closure, locking power line function,
Even three screw rods, or could realize the function using the combination configuration mode of hinge and screw rod；This not only increases device
Cost and weight, and can cause installation with it is cumbersome and unreliable when dismantling, or even safety accident can be caused.
Even if existing sensor device is using none without clutch function screw rod, installer is by screwing folding screw rod
When installation, the subjective feeling for being completely dependent on installer confirms whether device locks power line, and different installers is to locking
The impression of the power of power line difference causes the device locking power line degree that different installers installs different,
The pine that some tightly has, or even the installer that has is still unconfined after device has locked power line screws folding screw rod
Eventually lead to device deformation or opening even damage device.
In view of above-mentioned defect, the designer is subject to research and innovation, to invent a kind of intelligent grid sensing device, makes it
Overcome drawbacks described above and has more industry promotional value.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of improved intelligent grid sensing device, this changes
Into intelligent grid sensing device cost and weight it is lower, installing and dismounting is more convenient, and reliability higher.
The intelligent grid sensing device of a modification of the present invention, shell and electronic circuit board are equipped in the shell
Cavity, feature are that the shell includes the upper shell and lower housing that can be separated from each other, and the cavity includes opposite
Set up the first cavity and the second cavity in the upper shell and lower housing separately in ground；Further include opening-closing locking component, it is described to open
It includes that folding screw rod, compression spring, power line locking sliding block and screw rod pressure cap, the power line locking sliding block are located to close locking assembly
In the cavity, the folding screw rod sequentially passes through the first cavity, power line locking sliding block and the second cavity from top to bottom,
It is connected by compression spring between the power line locking sliding block and the first cavity.
Further, between first cavity and the second cavity be equipped with guide rail and buckle, the guide rail direction with it is described
Folding screw rod it is parallel.
Further, the screw rod pressure cap is located between second cavity and the lower end for opening and closing screw rod.
Further, it is additionally provided with current transformer in the cavity, bullet is provided at the top of the iron core of the current transformer
Sexuality component.
Further, the current transformer includes taking electric current transformer and measurement current transform er, described to take electricity
Current transformer includes taking electric current transformer top half and taking electric current transformer lower half portion, the measurement electric current mutual
Sensor includes measurement current transform er top half and measurement current transform er lower half portion, wherein described takes electric Current Mutual Inductance
Device top half and electric current transformer lower half portion is taken to be installed on the first cavity, takes electric current transformer lower half portion and measurement
Current transformer lower half portion is installed on the second cavity, and when the device is when being closed, and the iron core of the current transformer is the
One cavity and the second cavity junction, which are formed, is closed end face.
Further, the lower part of first cavity and the top of the second cavity are respectively provided with mutual corresponding semicylinder
Slot.
Further, it is provided with side compression type abnormity water proof ring around the current transformer core end face.
Further, described that electric current transformer upper half iron core and measurement current transform er upper half iron core is taken to be distributed in the
At left and right sides of one cavity.
Further, the folding screw rod is equipped with tie down screw, dampened disk, steel ball, damping spring, trip(ping) lever, damping
Nut, locking pin, link.
Further, cooling fin, LED lamp cover and SIM card lid is arranged below in second cavity.
According to the above aspect of the present invention, the present invention has at least the following advantages：
1. the present invention only uses a screw rod, a power line locking sliding block linkage inside driving device when screwing screw rod
Realization device is quickly opened, is closed and locks power line, solves existing partial devices twin-screw even three screw rods well
Defect, effectively reduce the cost and weight of device, and improve the reliability of product；
2. no matter it is manually installed or when being installed using insulating bar can safe ready efficiently complete, device peace
It, can adaptive different-diameter power line when on different-diameter power line；After realizing closure and locking power line, it can guarantee
The feelings even if device under the climatic environment of very severe (blast, heavy rain, severe snow, frost etc.) will not rotate and break away etc.
Condition；
3. screw rod linkage mechanism and device inner elastomeric active mechanism enable to take electric current transformer and measure electric current
Mutual inductor is closed well；Waterproof mechanism at current transformer section ensures that it has good confined space at section, from
Without getting rusty；
4. the clutch for opening and closing screw rod starts to act on after the power line locking sliding block locking power line of device, it is further continued for
When screwing folding screw rod, folding screw rod starts to dally, this mechanism can have specific instruction device to installer very well
It is installed in place, and is effectively protected the difference that device generates the power of application because of the difference of installer, cause different installation people
The degree that the device that member installs locks power line in power line is inconsistent, causes too tight or too loose phenomenon, or even will appear
Some installation personnels are still unconfined in the case where having locked power line to screw folding screw rod, causes device deformation, opening
Even device damage.
5. overall structure of the present invention is simpler, the operation is more convenient, and occupied space is less.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is the overall structure diagram of intelligent grid sensing device of the present invention；
Fig. 2 is the main body cover structural schematic diagram of intelligent grid sensing device of the present invention；
Fig. 3 is the first cavity present invention looks up structural representation of intelligent grid sensing device of the present invention；
Fig. 4 is the second cavity overlooking structure diagram of intelligent grid sensing device of the present invention；
Fig. 5 is the second cavity present invention looks up structural representation of intelligent grid sensing device of the present invention；
Fig. 6 is the first cross-sectional view of intelligent grid sensing device of the present invention；
Fig. 7 is the second cross-sectional view of intelligent grid sensing device of the present invention；
Fig. 8 is the folding screw-rod structure schematic diagram of intelligent grid sensing device of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Referring to Fig. 1~7, a kind of intelligent grid sensing device described in one embodiment of the invention, including shell 100 and electronics
Circuit board, the shell is interior to be equipped with cavity, and improvement is：The shell include the upper shell that can be separated from each other and
Lower housing, the cavity include the first cavity 201 and the second chamber relatively set up separately in the upper shell and lower housing
Body 202；Further include opening-closing locking component 203, the opening-closing locking component includes folding screw rod 701, compression spring, power line locking cunning
Block 702 and screw rod pressure cap 603, power line locking sliding block is within the cavity, and the folding screw rod sequentially passes through from top to bottom
One cavity 201, power line locking sliding block 702 and the second cavity 202, pass through between the power line locking sliding block and the first cavity
Compression spring connects, and the opening-closing locking component 203 includes folding screw rod 701, power line locking sliding block 702, the first compression spring 703, the
Two compression springs 704, third compression spring 705, the folding screw rod sequentially pass through the first cavity 201, power line locking sliding block from top to bottom
702, the second cavity 202,701 first half of folding screw rod are equipped with external screw thread, and the power line locking sliding block 702 is equipped with interior spiral shell
Line, the external screw thread and internal thread cooperate, and pass through first between 702 and first cavity 201 of the power line locking sliding block
Compression spring 703, the second compression spring 704, third compression spring 705 connect.Wherein the first cavity 201 is current transformer upper cavity, the second chamber
Body 202 is current transformer and electronic circuit board lower chamber.
Guide rail and buckle, the guide rail direction and folding screw rod are equipped between first cavity, 201 and second cavity 202
701 is parallel.It is connected by screw rod pressure cap 603 between second cavity 202 and the threaded shank of folding screw rod 701.
It further includes current transformer, is provided with elastic movable part at the top of the iron core of the current transformer, this yielding movable
Dynamic component can be metal spring or metal clips, but be not only limited to metal spring or metal clips.First cavity 201
Lower part and the top of the second cavity 202 be respectively provided with mutual corresponding semicylinder slot 403,503.Second cavity, 202 electricity
Special-shaped side pressure water proof ring 504 and special-shaped side pressure water proof ring 505 are provided with around the iron core end face of current transformer.Second chamber
SIM card lid 601, cooling fin 602, screw rod pressure cap 603 and LED lamp cover 604 is arranged below in body 202.
Wherein current transformer is divided into and takes electric current transformer and measurement current transform er.Electric current transformer is taken to be used for
Realizing from power induction energy is supplied to rear class electronic circuit board to power；Measurement current transform er is for measuring power line current
Information；
Electronic circuit board, using the energy for taking electric current transformer induction, the electric power that processing measurement current transform er obtains
Line current information, and processing information result is finally sent to back-end data monitoring center by wireless interface；
First cavity 201 is closed for installing current transformer top half, and with the cooperation of the second cavity 202 in device
When, power line is fixed in closed circle cylinder slot so that power line is located at current transformer field circuit center；
Second cavity 202 is closed for installing current transformer lower half portion, and with the cooperation of the first cavity 201 in device
When, power line is fixed in closed circle cylinder slot so that power line is located at current transformer field circuit center；
Second cavity 202, while for installing electronic circuit plate unit, energy-storage travelling wave tube and antenna etc..
The opening-closing locking component 203, including folding screw rod 701, power line locking sliding block 702, the first compression spring 703, the
Two compression springs 704, third compression spring 705, screw rod pressure cap 603, the first cavity 201 of connection, the second cavity 202, by screwing folding spiral shell
Bar realization opens and is closed the first cavity 201, the second cavity 202, and power line is finally locked by power line locking sliding block 702,
Realization device will not be rotated or be breakked away on power line.
The folding screw rod 701, including tie down screw 801, dampened disk 802, steel ball 803, damping spring 804, trip(ping) lever
805, damping nut 806, locking pin 807, link 808.801 top of tie down screw is equipped with external screw thread and power line locking sliding block
702 inner screw being equipped with is connected, and 801 bottom of tie down screw is equipped with the external screw thread that internal thread is equipped with 806 outside of damping nut
It is connected.801 times half structures of tie down screw are equipped with cavity, dampened disk 802, steel ball 803, damping spring 804, trip(ping) lever 805, damping
Nut 806 complements each other to form a set of clutch component, is installed in the cavity of 801 times half structures of tie down screw, 805 bottom of trip(ping) lever
Portion is connected with link 808, and is fixed by locking pin 807, and locking pin through trip(ping) lever 805 and is hung perpendicular to folding screw rod direction
Ring 808.802 bottom of dampened disk and the top of trip(ping) lever 805 are respectively provided with semicircle steel bead groove, steel ball 803 be placed in dampened disk 802 and from
It closes in the steel ball circular groove that bar 805 is formed.
Fig. 1 shows the schematic diagram of main components of the present embodiment comprising the first cavity 201, the second cavity 202, folding
Locking assembly 203.
Fig. 2 shows the major capsid block diagrams of the present embodiment comprising the first shell 301, second housing 302,
Third shell 303, the 4th shell 304.
First cavity 201 and the second cavity 202 are respectively equipped with the semicylinder for placing power line in horizontal centre axis direction
Slot 403 and 503.When the first cavity 201 and the second cavity 202 are closed, the two and half of the first cavity 201 and the second cavity 202
Column groove 403 and 503 forms a cylindrical groove body, and power line is set across cylindrical groove body so that power line, which is located at, to be taken
Electric current transformer and measurement current transform er magnetic circuit center；
Wherein the second cavity 202 includes third shell 303, the 4th shell 304 and portion takes electric current mutual in the cavity
Sensor lower half wound core and measurement current transform er lower half wound core, corresponding winding bobbin and coiled wire-wound coil and corresponding mutual inductance
The components such as device pressing plate, electronic circuit board, energy-storage travelling wave tube, antenna；
Fig. 3 shows that 201 current transformer upper cavity component present invention looks up structural representation of the first cavity, the cavity include first
Shell 201, second housing 202, measurement current transform er upper half iron core 402, measurement current transform er iron core elasticity movable part,
Take electric current transformer upper half iron core 401, take electric current transformer elasticity movable part etc., take electric current transformer upper half iron core
401 are distributed in 201 left and right sides of the first cavity with measurement current transform er upper half iron core 402 so that device center of gravity left-right balance；
It is equipped with waterproof grommet between first shell 201 and second housing 202, ensures 201 inner sealing waterproof of the first cavity.
Fig. 4 shows 202 current transformer of the second cavity and electronic circuit board lower chamber overlooking structure diagram, this second
Cavity 202 include third shell 303, the 4th shell 304, take electric current transformer lower half iron core 501, take electric current transformer around
Line skeleton takes electric current mutual inductor coiling coil, electricity-getting mutual inductor pressing plate, measurement current transform er lower half iron core 502, measures electricity
Current transformer winding bobbin, measures mutual inductor pressing plate, the first side compression type abnormity water proof ring at measurement current transform er coiled wire-wound coil
504, the second side pressing type special-shaped water proof ring 505 etc.；Take electric current transformer lower half iron core 501 and measurement current transform er lower half iron
Core 502 is distributed in 202 left and right sides of the second cavity so that device center of gravity left-right balance；Third shell 303 and the 4th shell 304
Between be equipped with waterproof grommet, ensure 202 inner sealing waterproof of the second cavity.
Fig. 5 shows 202 current transformer of the second cavity and electronic circuit board lower chamber present invention looks up structural representation, this second
Cavity 202 includes third shell 303, the 4th shell 304, electronic circuit board, SIM card lid 601, cooling fin 602, screw rod pressure cap
603, LED lamp cover 604, energy-storage travelling wave tube, antenna etc..4th shell 304 and 602 periphery of cooling fin, 601 periphery of SIM card lid, LED
604 periphery of lampshade is provided with waterproof grommet, ensures 202 inner sealing waterproof of the second cavity.
Fig. 6, Fig. 7 show opening-closing locking component structure diagram, and it includes folding screw rod 701, power line locking sliding blocks
702, the first compression spring 703, the second compression spring 704, third compression spring 705.
Fig. 8, show folding screw rod exploded view, clutch include tie down screw 801, dampened disk 802, steel ball 803,
Damping spring 804, trip(ping) lever 805, damping nut 806, locking pin 807, link 808.
Working principle of the present invention is as follows：
When the present embodiment device in the closure state, folding screw rod 701 screw rod lower part match with screw rod pressure cap 603
It closes, ensures to be integrated always between folding screw rod 701 and the second cavity, not be subjected to displacement, by screwing folding screw rod 701, rotation
It twists power and is transferred to 702 internal thread of power line locking sliding block by opening and closing the external screw thread of 701 first half of screw rod so that power line is locked
Sliding block 702 starts displacement vertically upward, when power line locking sliding block 702, which is displaced to, to be contacted with the first cavity 201, starts vertical
The first cavity 201 is jacked up upwards, by the first cavity 201 along folding 701 direction of screw rod displacement vertically upward；Make the first cavity
201 are gradually disengaged with the second cavity 202；It is set in folding 701 vertical direction of screw rod between first cavity 201 and the second cavity 202
There is guide rail, to ensure that lateral displacement or rotation will not occur for the first cavity 201 and the second cavity 202；First cavity 201 and second
Cavity 202 has buckle mechanism in guide rail area, detached with to ensure the first cavity 201 with the second cavity 202 to design it is maximum away from
From when snap action so that the first cavity 201 will not be mutually disengaged with the second cavity 202.
It is in opening process in the device of the present embodiment, the first cavity 201 is under the promotion of power line locking sliding block 702
It gradually detaches to form certain opening with the second cavity 202, power line is slided into the upper half of the first cavity 201 by this opening by device
Column groove 403 so that device is hung on power line.
When device is in open state, the screw rod lower part and screw rod pressure cap 603 that open and close screw rod 701 coordinate, and ensure folding
It is integrated, is not subjected to displacement always between screw rod 701 and the second cavity, by reversely screwing folding screw rod 701, screw power and pass through
The external screw thread of folding 701 first half of screw rod is transferred to the internal thread of power line locking sliding block 702 so that power line locking sliding block
702 start displacement vertically downward, because opening and closing 701 vertical direction of screw rod between power line locking sliding block 702 and the first cavity 201
There are the first compression spring 703, the connection of 704 third compression spring 705 of the second compression spring, when power line locking sliding block 702 is to bottom offset, passes through first
Compression spring 703, the second compression spring 704, third compression spring 705 drive the first cavity 201 down along folding the displacement vertically downward of screw rod 701,
So that the first cavity 201 and the second cavity 202 are gradually closed, electric current transformer section is taken until 201 lower part of the first cavity
401, measurement current transform er section 402 takes the electric current transformer lower half iron core 501 to cut with 202 top of the second cavity respectively
Face, the contact of 502 section of measurement current transform er lower half iron core, electric current transformer lower half iron is taken in 202 lower part of the second cavity
501 section of core, 502 section of measurement current transform er lower half iron core reaction force under the first cavity 201 stop displacement, at this time after
Continuous to screw folding screw rod 701, power line locking sliding block 702 continues, to bottom offset, gradually to start to compress electricity under screw-driven power
Power line is finally tightly pressed against in the semicylinder slot 403 and 503 of the second cavity 202 by the line of force.Take electric current transformer section
Closing force measures mutual inductor section closing force, the first compression spring pressure, the second compression spring pressure, third compression spring pressure, power line compression
Power constitutes downward combining ability, and the reaction force cancelled out each other is formed with the clutching force inside folding screw rod 701, when this is downward
Combining ability be more than folding screw rod 701 inside 804 reaction force of damping spring when, link 808 can drive locking pin 807, from
The semicircle steel bead groove that bar 805, damping spring 804, steel ball 803 are detached from 802 bottom of dampened disk is closed, is opened and closed in screw rod 701 at this time
Portion's clutch is started to work, and is such as further continued for screwing screw rod, folding screw rod 701 starts sky under the action of internal clutch
Turn, ensures that device will not power is excessive to cause device to deform or device opening because of screwing, while also passing out peace to installation personnel
The information installed.The power line of corresponding different line footpaths, 702 shift length of locking sliding block is also different, but finally can be by this
Device is locked with power line so that the present apparatus will not be rotated or be breakked away on power line.Due to 380V~35KV insulation or
The diameter of exposed power line is relatively wider on a large scale, and the substitution block of optional three kinds of different sizes has also been devised in the design, is used for
The power line of compatible different wire range sections.
When first cavity 201 and the second cavity 202 are closed, the first side compression type abnormity water proof ring 504, the second side pressing type special-shaped
Water proof ring 505 forms four airtight cavities with second housing 302, and current transformer section in outdoor environment has been effectively ensured not
It can get rusty.
Measurement current transform er elasticity movable part in first cavity 201 is located at the top of measurement current transform er iron core.
When by screwing folding 701 closing device of screw rod, when the measurement current transform er upper half iron core 402 positioned at the first cavity 201
After being contacted positioned at 502 section of measurement current transform er lower half iron core of the second cavity 202, then folding screw rod 701 is screwed, at this time
Elastic movable part ensures that measurement current transform er iron core is held under the active force of the first shell 301 at the top of measurement current transform er
Continuous downward pressure so that measurement current transform er upper half iron core 402 under the measurement current transform er of the second cavity 202
Half iron core 502 can be closed to greatest extent, to obtain optimum measurement performance；Similarly, yielding movable at the top of electric current transformer is taken
Dynamic component, which is located at, takes the top of electric current transformer core 401, when by screwing folding 701 closing device of screw rod, when positioned at the
One cavity 201 takes electric current transformer core 401 to take 501 section of electric current transformer core with positioned at the second cavity 202
After contact, then folding screw rod 701 is screwed, takes electric current transformer elasticity movable part in the effect with the first shell 201 at this time
Ensure that electric current transformer core 401 is taken to continue downward pressure under power so that take electric current transformer core and be located at second
Cavity 202 takes electric current transformer core 501 that can be closed to greatest extent, and most preferably electrical property is taken to obtain.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of improved intelligent grid sensing device, including shell and electronic circuit board, the shell is interior to be equipped with cavity,
It is characterized in that：The shell includes the upper shell and lower housing that can be separated from each other, and the cavity includes relatively setting up separately
The first cavity in the upper shell and lower housing and the second cavity；Further include opening-closing locking component, the opening-closing locking
Component includes folding screw rod, compression spring, power line locking sliding block and screw rod pressure cap, and the power line locking sliding block is located at described
In cavity, the folding screw rod sequentially passes through the first cavity, power line locking sliding block and the second cavity, the electricity from top to bottom
It is connected by compression spring between line of force locking sliding block and the first cavity.
2. improved intelligent grid sensing device according to claim 1, it is characterised in that：First cavity and
Guide rail and buckle are equipped between two cavitys, the guide rail direction is parallel with the folding screw rod.
3. improved intelligent grid sensing device according to claim 1, it is characterised in that：The screw rod pressure cap is located at
Between second cavity and the lower end for opening and closing screw rod.
4. improved intelligent grid sensing device according to claim 1, it is characterised in that：It is additionally provided in the cavity
The iron core top of current transformer, the current transformer is provided with elastic movable part.
5. improved intelligent grid sensing device according to claim 4, it is characterised in that：The current transformer packet
It includes and takes electric current transformer and measurement current transform er, it is described to take electric current transformer including taking electric current transformer top half
Include measurement current transform er top half and measurement with electric current transformer lower half portion, the measurement current transform er is taken
Current transformer lower half portion, wherein described take electric current transformer top half and electric current transformer lower half portion is taken to pacify
Loaded on the first cavity, electric current transformer lower half portion and measurement current transform er lower half portion is taken to be installed on the second cavity, and
When the device is when being closed, the iron core of the current transformer is formed in the first cavity and the second cavity junction is closed end face.
6. improved intelligent grid sensing device according to claim 5, it is characterised in that：Under first cavity
Portion and the top of the second cavity are respectively provided with mutual corresponding semicylinder slot.
7. improved intelligent grid sensing device according to claim 5, it is characterised in that：The current transformer iron
Side compression type abnormity water proof ring is provided with around core end face.
8. according to the improved intelligent grid sensing device of claim 5-7 any one of them, it is characterised in that：Described takes electricity
Current transformer upper half iron core is distributed in measurement current transform er upper half iron core at left and right sides of the first cavity.
9. according to the improved intelligent grid sensing device of claim 1-5 any one of them, it is characterised in that：The folding
Clutch is contained in the inside of screw rod, and the clutch includes tie down screw, dampened disk, steel ball, damping spring, clutch
Bar, damping nut, locking pin and link.
10. according to the improved intelligent grid sensing device of claim 1-5 any one of them, it is characterised in that：Described
Cooling fin, LED lamp cover and SIM card lid is arranged below in two cavitys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307651.3A CN108594069A (en) | 2018-04-08 | 2018-04-08 | A kind of improved intelligent grid sensing device |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110415956A (en) * | 2019-08-30 | 2019-11-05 | 济南铂晶电子科技有限公司 | Combined type takes electrical measurement mutual inductor |
| CN110444369A (en) * | 2019-08-23 | 2019-11-12 | 苏州银蕨电力科技有限公司 | A kind of power distribution network PMU device |
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