CN108680829A - Transmission open acess on-line monitoring system - Google Patents
Transmission open acess on-line monitoring system Download PDFInfo
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- CN108680829A CN108680829A CN201810622631.5A CN201810622631A CN108680829A CN 108680829 A CN108680829 A CN 108680829A CN 201810622631 A CN201810622631 A CN 201810622631A CN 108680829 A CN108680829 A CN 108680829A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 12
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- 230000033001 locomotion Effects 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
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- 230000000977 initiatory effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- 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
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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
- 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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Locating Faults (AREA)
Abstract
The present invention provides a kind of transmission open acess on-line monitoring systems, including：Several current sensing means are both provided with a current sensing means between two adjacent substations at least provided with three test points, each test point；Sub-controller, each current sensing means are connected to a sub-controller；First wireless communication module, each sub-controller are connected to the first wireless communication module；Second wireless communication module, all first wireless communication modules are communicatively connected to one second wireless communication module；Master controller, the second wireless communication module are connected to a master controller, and master controller calculates position of failure point according to the detection data of each current sensing means.Whether transmission open acess on-line monitoring system solves faulty to occur to judge and abort situation searching due to causes the controller to be susceptible to work as machine because realizing simultaneously in a controller in the prior art.
Description
Technical field
The present invention relates to transmission line malfunction detections, and in particular to a kind of transmission open acess on-line monitoring system.
Background technology
One kind is disclosed in Chinese patent application No. is CN201520275841.3 transmission open acess systems, this is defeated
Line fault positioning system includes：Sampler connects transmission line of electricity；Data acquisition device connects sampler；Failure opens
Dynamic device, connects data acquisition device；Radio transmitting device, connecting fault starter；Supply unit, connection transmission line of electricity,
Data acquisition device, fault initiating device and radio transmitting device；From the background, it is connect with radio transmitting device signal, receives event
Barrier data simultaneously store, the collected first time fault waveform of data acquisition device and second of fault waveform when being occurred by failure
Time difference, traveling wave in transmission line of electricity transmission speed and sampler between reverberation apart from failure judgement position
It sets.Although the shortcomings that system realizes the single-ended measurement to abort situation, which still has is：
Since the system needs record sampler to receive the time t1 of traveling wave, and the time t2 of echo is received, and given tacit consent to
Traveling wave and the in-line transmission speed of echo are known v, but wave and the in-line transmission speed of echo are variations, and are returned
Wave does not know whether really to be detected, therefore the probability for obtaining abort situation is small and precision is not high.
Chinese patent discloses that a kind of application No. is 201410041394.5 that the transmission line of electricity with fault tolerance is distributed
Fault Locating Method, including Step 1: there be n detection in the high voltage transmission line road being located between adjacent substations M and substation N
Point；Step 2: detecting and reading the three-phase fault current traveling wave information of each test point；Step 3: the removal equal no data of three-phase
Invalid detection point fault section is determined according to wavefront information；Step 4: calculating traveling wave speed v：Step 5, according to phase
The fault section answered chooses suitable fault location formula and carries out ranging.Although the method achieve monitored individually in solution system
All reliably line fault can be positioned when device exception, but this method there are the shortcomings that be：
This method does not realize the judgement whether failure occurs, if be only in a controller and meanwhile realize be
No faulty generation judges and abort situation is found, and causes the load of the controller larger, and the controller is easily caused to occur
When the machine the phenomenon that.
Invention content
The present invention will provide a kind of transmission open acess on-line monitoring system, solve in the prior art because being controlled at one
Realize simultaneously in device processed whether faulty generations judge and abort situation searching and cause the controller to be susceptible to when machine
Phenomenon.
To achieve the above object, present invention employs the following technical solutions：
A kind of transmission open acess on-line monitoring system, including：
Several current sensing means, at least provided with three test points between two adjacent substations, each test point is equal
It is provided with a current sensing means, the current output value of test point where each current sensing means is used to detection；
Sub-controller, each current sensing means are connected to a sub-controller, what sub-controller was used to judge to receive
Whether current output value is more than threshold value and ought have the current output value of a current sensing means to be more than threshold between two adjacent substations
The current output value received is sent when value；
First wireless communication module, each sub-controller are connected to the first wireless communication module；
Second wireless communication module, all first wireless communication modules are communicatively connected to one second wireless communication module；
Master controller, the second wireless communication module are connected to a master controller, and master controller is filled according to each current detecting
The detection data set calculates position of failure point；
Third wireless communication module, is connected with master controller；
4th wireless communication module is communicated to connect with third wireless communication module；And
Service station is connected with the 4th wireless communication module, and service station is connected to several movements used for maintenance man
Equipment, service station obtain the position of each mobile device and are calculated from event according to each position of mobile equipment and position of failure point
The nearest mobile device of barrier point.
Compared with the prior art, the present invention has the advantages that：
When work, first, each current sensing means incudes the electric current in circuit in each test point in real time, obtains electric current
Output valve, line current is bigger in the more big namely test point of current output value；Then, each sub-controller is defeated all in accordance with electric current
Go out value and judge whether faulty generation, each sub-controller and the first wireless communication module are with corresponding current detection device one
A position can transfer out in order to the data of each current sensing means, at a distance when there are one sub-controllers to judge
This sub-controller just notifies that sub-controller is whole between all two adjacent substations by master controller when faulty generation
Send current value to master controller, the division of labor is clear so that sub-controller only just sends data to master control in faulty generation
Device processed mitigates the transmission of non-essential current output value, mitigates sub-controller, the first wireless communication module and the second channel radio
Believe the data transmission burden of module, while sub-controller is that master controller shares the task whether failure judgement occurs, and is mitigated total
The burden of controller；After again, after failure occurs sub-controller by all current output values (certainly include current output value and
The corresponding time of origin point of current output value) it is sent to master controller, master controller is according to Patent No.
201410041394.5 the method recorded calculates abort situation；After again, abort situation is passed through third channel radio by master controller
Letter equipment and the 4th wireless telecom equipment are sent to service station and service station are notified to find maintenance man's repairing；Finally, service station is logical
The position that each maintenance man is obtained in the GPS positioning slave mobile device of mobile device is crossed, it is nearest from abort situation to send
Maintenance man goes position of failure point to repair so that repairing service is more quick.Wherein calculation procedure is not present invention point, this
Application invention electricity is that system, calculation procedure are known procedure, is only that calculation procedure has been assigned on distinct device to hold
Row.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the circuit block diagram of transmission open acess on-line monitoring system；
Fig. 2 is the structural schematic diagram of Rogowski coil；
Fig. 3 is the schematic diagram after upper shell and lower housing hinged place are splitted in Fig. 2；
Fig. 4 is the enlarged drawing at B in Fig. 3；
Fig. 5 is the A-A sectional views at box body in Fig. 2.
Specific implementation mode
In order to which so that the present invention is realized technological means, creation characteristic, reached purpose more understand and are apparent to effect,
The present invention is further elaborated with reference to the accompanying drawings and detailed description：
As shown in Figure 1, the present embodiment proposes a kind of transmission open acess on-line monitoring system, including：
Several current sensing means, at least provided with three test points between two adjacent substations, each test point is equal
It is provided with a current sensing means, the current output value of test point where each current sensing means is used to detection；
Sub-controller, each current sensing means are connected to a sub-controller, what sub-controller was used to judge to receive
Whether current output value is more than threshold value and ought have the current output value of a current sensing means to be more than threshold between two adjacent substations
The current output value received is sent when value；
First wireless communication module, each sub-controller are connected to the first wireless communication module；
Second wireless communication module, all first wireless communication modules are communicatively connected to one second wireless communication module；
Master controller, the second wireless communication module are connected to a master controller, and master controller is filled according to each current detecting
The detection data set calculates position of failure point；
Third wireless communication module, is connected with master controller；
4th wireless communication module is communicated to connect with third wireless communication module；And
Service station is connected with the 4th wireless communication module, and service station is connected to several movements used for maintenance man
Equipment, service station obtain the position of each mobile device and are calculated from event according to each position of mobile equipment and position of failure point
The nearest mobile device of barrier point.
Each current sensing means is Rogowski coil.
As shown in FIG. 2 and 3, Rogowski coil includes：It is upper shell, upper skeleton, coil, lower housing, lower skeleton, offline
Circle and bindiny mechanism are provided with upper skeleton in upper shell, coil are wound on upper skeleton, upper shell one end is hinged with lower casing
Body is provided with lower skeleton in lower housing, is wound with lower coil on lower skeleton, the hinged place of upper shell and lower housing is provided with company
Connection mechanism, with when upper shell and lower housing surround a ring-type bindiny mechanism coil is electrically connected with lower coil, work as lower casing
Bindiny mechanism does not hinder the separation of coil and lower coil when body is rotated relative to upper shell.Solve in the prior art because of coil outside
Coiled wire-wound coil does not become a complete cyclic annular coiled wire-wound coil and causes to detect in coiled wire-wound coil and lower coil shell in shell
The low current output valve arrived influences the big problem of testing result error.By setting bindiny mechanism, realize after installing (namely
It is：When upper shell and lower housing surround a ring-type) coil and lower coil electrically connect so that and coil and lower coil are formed
One complete loop coil avoids the need for measuring the current output value in lower coil and lower coil respectively, reduces detection
Trouble, while but also induction it is sensitiveer, obtained current output value bigger, the error measured is smaller, improve survey
Measure the accuracy of result.
As shown in Figure 3 and 4, in order to which design structure is simple and bindiny mechanism easy to use, and ensure in upper casing
The phenomenon that coil and lower coil can be in close contact, avoid the occurrence of poor contact after one complete loop of body and lower housing besieged city,
Bindiny mechanism includes：Movable block, spill spin block and the first spring, upper shell inside, which is recessed, forms one first groove, in lower housing
Side is recessed to form one second groove, and the first groove and the second groove are close to the hinged place of upper shell and lower housing, the first groove
Inner wall depression forms a telescopic hole, and movable block one end stretches in telescopic hole and is fixed to the first spring one end, and the first spring is another
One end is fixed on telescopic hole inner wall, and movable block upper shell can move relatively, the center of movable block moving direction and the first spring
Point-blank, coil is electrically connected on movable block line, and movable block and spill spin block are all made of conductive material and are made, and second
Recess inner wall is fixed to spill spin block one end, and the spill spin block other end extends to upper shell direction, and spill spin block is electrically connected to offline
Circle, with when upper shell and lower housing surround a ring-type spill spin block stretched in the first recess on the inside of upper shell, spill spin block with
Movable block is close to and the first spring is compressed.When upper shell and lower housing are surrounded a ring-type, lower housing drives spill spin block rotation
Turn, the trend of the oriented lower housing direction rotation of spill spin block is slowly rotated block and first stretches in the first groove, then starts
Squeeze movable block so that the first spring is compressed, and finally, ensures that movable block and spill spin block closely connect under the first spring force
It touches, avoids there is a phenomenon where movable block and spill spin block poor contact, ensure coil and lower coil electrical contact.When breaking upper casing into two with one's hands
When body and lower housing, spill spin block is rotated to away from lower housing direction, and final spill spin block is detached from movable block, therefore spill spin block and shifting
Motion block does not interfere with the rotation between upper shell and lower housing.
As shown in Figure 3 and 4, bindiny mechanism further includes：Newel, outer toroid and the first connecting wire, movable block
End in telescopic hole is fixed in an outer toroid, and the first spring is looped around outside outer toroid, and telescopic hole inner wall is fixed to one
Newel one end, the newel other end stretch to outer toroid and are moved away from one end of block, and newel stretches in outer toroid
End is not detached from outer toroid, and newel does not hinder the movement of outer toroid, coil one end to stretch in newel and be connected to
One is located at first connecting wire one end in outer toroid, and the first connecting wire other end is fixed to movable block.In order to avoid because of
One spring is compressed and causes the first connecting wire to be wrapped on the first spring and knot, in movable block to the first spring moving process
In, the first spring is compressed, but outer toroid is looped around always outside the first connecting wire and newel, therefore will not make first
Connecting wire is entrapped in the first spring, protects the first connecting wire, is avoided the first connecting wire and is damaged because of knotting, is prolonged
Service life is grown.
As shown in Fig. 2, Fig. 3 and Fig. 4, which further includes seal assembly, close
Sealing assembly includes sealing adhesive plaster, and sealing adhesive plaster is for sealing the first groove and the second groove.Since movable block and spill spin block are electricity
Contact, influences their contact in order to avoid water etc. enters in the first groove and the second groove, therefore sealing adhesive plaster is arranged and makes
First groove and the second groove are got up by seal protection.
It can be repeated as shown in Fig. 2, Fig. 4 and Fig. 5, when coil is installed again in order to realize the first groove and second is recessed
Slot seals, and seal assembly further includes：
Box body is mounted on the hinged place on lower housing and close to lower housing and upper shell, convolution chamber is offered in box body；
And
Convolution portion is arranged in convolution intracavitary, and convolution portion includes convolution bar, the first revolving part and the second revolving part, volume
Adhesive plaster is sealed for convolution on product bar, convolution bar one end is fixed to the first revolving part, and the convolution bar other end is fixed to the second rotation
Part offers perforation on box body, so that the sealing adhesive plaster pulled out from convolution bar is pierced by from perforation, the first revolving part and the second rotation
Turning part can rotate relative to box body.When needing to dismantle upper shell and lower housing, packet is torn first outside the first groove and the second groove
Sealing adhesive plaster, then break upper shell and lower housing into two with one's hands again.After having reinstalled upper shell and lower housing, subtracts and used
Sealing adhesive plaster section, then pull out new sealing adhesive plaster so that new sealing adhesive plaster is wrapped in outside the first groove and the second groove,
It avoids leading to seal adhesive plaster failure because repeatedly pasting, ensures second to imitate the sealing of the first groove and the second groove after installing
Fruit.
As shown in figure 5, in order to ensure that sealing adhesive plaster can be close to close to the end of box body with lower housing in sealing, be simultaneously
Avoid that shell hinders the pull-out of sealing adhesive plaster, seal assembly to further include at present pulling out sealing adhesive plaster：Moving portion；
Moving portion includes：First movement bar, the second mobile bar, screw rod and third revolving part open up in convolution bottom of chamber portion
It is rectangular parallelepiped structure to have two moving hole, first movement bar and the second mobile bar, and first movement bar one end stretches to a moving hole
Interior, the first movement bar other end and the first revolving part are hinged, and second mobile bar one end stretches in another moving hole, the second movement
The bar other end and the second revolving part are hinged, and the end that the second mobile bar is located at convolution intracavitary is hinged to third revolving part, third rotation
Turn part and be fixed to screw rod one end, screw rod passes through box body and is threadedly coupled with box body, and the screw rod other end stretches out box body, first movement
Bar, the second mobile bar and screw rod are mutually parallel, and screw rod is vertical with convolution bar.After having reinstalled upper shell and lower housing,
First, rotary screw so that the distance between convolution bar to lower housing is sufficiently large, during this, due to first movement bar and
Two mobile bars are rectangular parallelepiped structure, therefore screw rod rotation will not make the second mobile bar rotate, and first movement bar and second moves
Lever cannot rotate, and be only capable of lifting；Then, sealing adhesive plaster is pulled so that novel sealing adhesive plaster exposes；After again, subtracting has made
Sealing adhesive plaster section；After again, new sealing adhesive plaster is further pulled out；Finally, rotary screw keeps sealing adhesive plaster to tighten shape
State, but pulled out not from convolution bar and (pull up firmly bigger of sening as an envoy to from convolution bar), finally so that convolution bar external seal adhesive tape
The sealing adhesive plaster of pull-out is finally bypassed the first groove and the second groove by nearly lower housing so that new sealing adhesive plaster is wrapped in the
It outside one groove and the second groove, avoids leading to seal adhesive plaster failure because repeatedly pasting, ensure second recessed to first after installing
The sealing effect of slot and the second groove.
As shown in figure 5, convolution bar can further be pulled out because of sealing adhesive plaster stress after being pulled out in order to avoid fluid sealant cloth, seal
Component further includes：Limit transfer part；
Limit transfer part includes：Shell, clamping bar, gear, second spring, idler wheel and voussoir are installed, on first movement bar
It is fixed with installation shell, installation shell forms a cavity for being connected to the first revolving part, the first revolving part position with first movement bar
It is recessed to form a card hole in the face in cavity, an internal gear is formed on card hole inner wall, an energy and internal tooth is provided in cavity
Ring meshed gears, gear are connected to a clamping bar one end, and the clamping bar other end stretches out outside cavity, and clamping bar is with respect to first movement
The moving direction of bar is parallel with convolution bar, and clamping bar cannot be relative to installation shell rotation, and clamping bar, which passes through, to be had in cavity
Second spring, second spring one end are fixed with gear, and the second spring other end is fixed with cavity inner wall, and clamping bar is located at outside cavity
End on the idler wheel that can be rotated is installed, a voussoir is mutually cut with idler wheel, voussoir is fixed on convolution cavity wall, voussoir small end
Deviate from lower housing side positioned at voussoir big end, the inclined-plane and idler wheel of voussoir are tangent, when the sealing adhesive plaster and lower housing outside convolution bar
Idler wheel is tangent with voussoir big end when being close to and gear is engaged with internal gear；It is rolled when the sealing adhesive plaster outside convolution bar is far from lower housing
Wheel is tangent with convolution cavity wall and is detached from card hole in second spring elastic force lower gear.The big end long enough of voussoir realizes that idler wheel exists
When near voussoir small end, just makes gear far from card hole under second spring elastic force, could only pull out sealing adhesive plaster at this moment；When
It is only a bit of when screwing in screw rod to pull sealing adhesive plaster with strength, avoid sealing adhesive plaster from being drawn out very long, one section of rotary screw
After time, idler wheel is got over onto voussoir big end, and under the extruding of voussoir, gear is engaged with internal gear, and the first revolving part cannot be opposite
First movement bar rotates so that sealing adhesive plaster cannot be drawn out and (seal adhesive plaster before and pulled out long enough) again, then can
To tense sealing adhesive plaster with strength so that sealing adhesive plaster oneself will not be adhered to each other, and the waste of sealing adhesive plaster be avoided, after also avoiding
Sealing adhesive plaster is caused further to be drawn out because pulling sealing adhesive plaster strength excessive when continuous rotary screw.
As shown in figure 5, in order to enable being not only the second revolving part to the carrying of convolution bar, moving portion further includes：Third bullet
Spring, first movement bar one end are fixed to third spring one end, and the third spring other end is fixed to the movement where first movement bar
On the inner wall of hole.Third spring is constantly in confined state so that the first revolving part also has convolution bar certain support, avoids
Cause the second revolving part to damage because stress is excessive, extends the service life of the second revolving part.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (9)
1. a kind of transmission open acess on-line monitoring system, which is characterized in that including：
Several current sensing means are respectively provided between two adjacent substations at least provided with three test points, each test point
The current output value of test point where thering is a current sensing means, each current sensing means to be used to detection；
Sub-controller, each current sensing means are connected to a sub-controller, the electric current that sub-controller is used to judge to receive
Whether output valve is more than threshold value and when the current output value for having a current sensing means between two adjacent substations is more than threshold value
The current output value received is sent；
First wireless communication module, each sub-controller are connected to the first wireless communication module；
Second wireless communication module, all first wireless communication modules are communicatively connected to one second wireless communication module；
Master controller, the second wireless communication module are connected to a master controller, and master controller is according to each current sensing means
Detection data calculates position of failure point；
Third wireless communication module, is connected with master controller；
4th wireless communication module is communicated to connect with third wireless communication module；And
Service station is connected with the 4th wireless communication module, and service station is connected to several mobile devices used for maintenance man,
Service station obtains the position of each mobile device and is calculated from fault point according to each position of mobile equipment and position of failure point
Nearest mobile device.
2. transmission open acess on-line monitoring system according to claim 1, which is characterized in that each current detecting
Device is Rogowski coil.
3. transmission open acess on-line monitoring system according to claim 2, which is characterized in that the Rogowski coil
Including：Upper shell, upper skeleton, coil, lower housing, lower skeleton, lower coil and bindiny mechanism are provided with bone in upper shell
Frame is wound with coil on upper skeleton, and upper shell one end is hinged with lower housing, is provided with lower skeleton in lower housing, on lower skeleton
It is wound with lower coil, the hinged place of upper shell and lower housing is provided with bindiny mechanism, one is surrounded with lower housing to work as upper shell
Bindiny mechanism makes coil be electrically connected with lower coil when cyclic annular, and when lower housing is rotated relative to upper shell, bindiny mechanism does not hinder
The separation of coil and lower coil.
4. transmission open acess on-line monitoring system according to claim 3, which is characterized in that bindiny mechanism wraps
It includes：Movable block, spill spin block and the first spring, upper shell inside recess form one first groove, and be recessed formation on the inside of lower housing
One second groove, the first groove and the second groove are close to the hinged place of upper shell and lower housing, the first groove inner wall concave shape
At a telescopic hole, movable block one end stretches in telescopic hole and is fixed to the first spring one end, and the first spring other end is fixed to
On telescopic hole inner wall, movable block upper shell can move relatively, and the center line of movable block moving direction and the first spring is straight at one
On line, coil is electrically connected on movable block, and movable block and spill spin block are all made of conductive material and are made, and the second recess inner wall is solid
Determine to spill spin block one end, the spill spin block other end extends to upper shell direction, and spill spin block is electrically connected to lower coil, to work as upper casing
Spill spin block stretches on the inside of upper shell in the first recess when body and lower housing surround a ring-type, spill spin block is close to movable block and
First spring is compressed.
5. transmission open acess on-line monitoring system according to claim 4, which is characterized in that bindiny mechanism also wraps
It includes：Newel, outer toroid and the first connecting wire, the end that movable block is located in telescopic hole are fixed in an outer toroid, the
One spring is looped around outside outer toroid, and telescopic hole inner wall is fixed to a newel one end, and the newel other end stretches to the outer toroid back of the body
From in one end of movable block, newel stretches to the end in outer toroid and is not detached from outer toroid, and newel does not hinder outer toroid
Movement, coil one end stretches in newel and is connected to a first connecting wire one end being located in outer toroid, first
The connecting wire other end is fixed to movable block.
6. according to claim 3 to 5 any one of them transmission open acess on-line monitoring system, which is characterized in that also
Including seal assembly, seal assembly includes sealing adhesive plaster, and sealing adhesive plaster is for sealing the first groove and the second groove.
7. transmission open acess on-line monitoring system according to claim 6, which is characterized in that seal assembly also wraps
It includes：
Box body is mounted on the hinged place on lower housing and close to lower housing and upper shell, convolution chamber is offered in box body；And
Convolution portion is arranged in convolution intracavitary, and convolution portion includes convolution bar, the first revolving part and the second revolving part, convolution bar
Upper to seal adhesive plaster for convolution, convolution bar one end is fixed to the first revolving part, and the convolution bar other end is fixed to the second revolving part, box
Perforation is offered on body, so that the sealing adhesive plaster pulled out from convolution bar is pierced by from perforation, the first revolving part and the second revolving part
It can be rotated relative to box body.
8. transmission open acess on-line monitoring system according to claim 6, which is characterized in that seal assembly also wraps
It includes：Moving portion；
Moving portion includes：First movement bar, the second mobile bar, screw rod and third revolving part offer two in convolution bottom of chamber portion
Moving hole, first movement bar and the second mobile bar are rectangular parallelepiped structure, and first movement bar one end stretches in a moving hole, the
The one mobile bar other end and the first revolving part are hinged, and second mobile bar one end stretches in another moving hole, and the second mobile bar is another
One end is hinged with the second revolving part, and the end that the second mobile bar is located at convolution intracavitary is hinged to third revolving part, third revolving part
It is fixed to screw rod one end, screw rod passes through box body and is threadedly coupled with box body, screw rod other end stretching box body, first movement bar, the
Two mobile bars and screw rod are mutually parallel, and screw rod is vertical with convolution bar.
9. transmission open acess on-line monitoring system according to claim 8, which is characterized in that seal assembly also wraps
It includes：Limit transfer part；
Limit transfer part includes：Shell, clamping bar, gear, second spring, idler wheel and voussoir are installed, it is fixed on first movement bar
There are installation shell, installation shell to form a cavity for being connected to the first revolving part with first movement bar, the first revolving part is located at sky
The face of intracavitary is recessed to form a card hole, and an internal gear is formed on card hole inner wall, and one is provided in cavity to be nibbled with internal gear
The gear of conjunction, gear are connected to a clamping bar one end, and the clamping bar other end stretches out outside cavity, and clamping bar is with respect to first movement bar
Moving direction is parallel with convolution bar, and clamping bar cannot pass through second had in cavity relative to installation shell rotation, clamping bar
Spring, second spring one end are fixed with gear, and the second spring other end is fixed with cavity inner wall, and clamping bar is located at the end outside cavity
The idler wheel that can be rotated is installed in portion, a voussoir is mutually cut with idler wheel, voussoir is fixed on convolution cavity wall, and voussoir small end is located at
Voussoir big end deviates from lower housing side, and the inclined-plane and idler wheel of voussoir are tangent, when the sealing adhesive plaster outside convolution bar is close to lower housing
When idler wheel it is tangent with voussoir big end and gear is engaged with internal gear；When the sealing adhesive plaster outside convolution bar is far from lower housing idler wheel with
Convolution cavity wall is tangent and is detached from card hole in second spring elastic force lower gear.
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| CN201810622631.5A CN108680829B (en) | 2018-06-15 | 2018-06-15 | Fault positioning on-line monitoring system for power transmission line |
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| CN111624541A (en) * | 2020-05-27 | 2020-09-04 | 海南驿电通科技有限公司 | Calibration device of ground fault detection device |
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