CN208488517U - Transmission open acess on-line monitoring system - Google Patents
Transmission open acess on-line monitoring system Download PDFInfo
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- CN208488517U CN208488517U CN201820936988.6U CN201820936988U CN208488517U CN 208488517 U CN208488517 U CN 208488517U CN 201820936988 U CN201820936988 U CN 201820936988U CN 208488517 U CN208488517 U CN 208488517U
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Abstract
The utility model provides a kind of transmission open acess on-line monitoring system, comprising: several current detection means, at least provided with three test points between two adjacent substations, each test point is provided with a current detection means；Sub-controller, each current detection 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 detection means.Transmission open acess on-line monitoring system solve in the prior art because realized simultaneously in a controller it is whether faulty judgement and abort situation searching occurs due to cause the controller to be easy to appear to work as machine.
Description
Technical field
The utility model relates to transmission line malfunction detections, and in particular to a kind of transmission open acess on-line monitoring system
System.
Background technique
One kind is disclosed in Chinese patent application No. is CN201520275841.3 transmission open acess system, 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；Power supply device, 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 the distance of transmission speed in transmission line of electricity and sampler between reverberation judge fault bit
It sets.Although the shortcomings that system realizes the single-ended measurement to abort situation, which still has are as follows:
The time t1 of traveling wave is received since the system needs to record sampler, and receives the time t2 of echo, and is defaulted
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: traveling wave speed v: step 5 is calculated, according to phase
The fault section answered chooses suitable fault location formula and carries out ranging.Although the method achieve monitor individually in solution system
All reliably line fault can be positioned when device exception, but this method there are the shortcomings that are as follows:
This method does not realize the judgement whether failure occurs, if be only in a controller and meanwhile realize be
No faulty generation judgement and abort situation are found, and cause the load of the controller larger, the controller is easily caused to occur
When the machine the phenomenon that.
Utility model content
The utility model will provide a kind of transmission open acess on-line monitoring system, solve in the prior art because one
Realized in a controller simultaneously whether faulty generations judgement and abort situation searching and cause the controller to be easy to appear and work as
The phenomenon that machine.
To achieve the above object, the utility model uses the following technical solution:
A kind of transmission open acess on-line monitoring system, comprising:
Several current detection means, at least provided with three test points between two adjacent substations, each test point is equal
It is provided with a current detection means, the current output value of test point where each current detection means is used to detection；
Sub-controller, each current detection 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 working as has the current output value of a current detection means to be greater 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 according to each position of mobile equipment and position of failure point from event
The nearest mobile device of barrier point.
Compared with the prior art, the utility model has the following beneficial effects:
When work, firstly, each current detection means incudes the electric current in each test point in route in real time, electric current is obtained
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
Value judges whether faulty generation out, and each sub-controller and the first wireless communication module are with corresponding current detection device one
A position, in order to which the data of each current detection means can transfer out at a distance, when there is a sub-controller to judge
This sub-controller just passes through master controller and notifies between all two adjacent substations that sub-controller is whole 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 judging whether failure occurs of the task, and is mitigated total
The burden of controller；After again, when failure occur after 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
It crosses in the GPS positioning slave mobile device of mobile device and obtains the position of each maintenance man, to send nearest from abort situation
Maintenance man goes position of failure point to repair, so that repairing service is more quick.Wherein calculation procedure is not the utility model of the application
Point, the application utility model electricity are system, and it is only that calculation procedure has been assigned to distinct device that calculation procedure, which is known procedure,
On executed.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
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 housing and lower case hinged place are splitted in Fig. 2；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is the A-A cross-sectional view in Fig. 2 at box body.
Specific embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to
Understand, the utility model be 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, comprising:
Several current detection means, at least provided with three test points between two adjacent substations, each test point is equal
It is provided with a current detection means, the current output value of test point where each current detection means is used to detection；
Sub-controller, each current detection 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 working as has the current output value of a current detection means to be greater 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 according to each position of mobile equipment and position of failure point from event
The nearest mobile device of barrier point.
Each current detection means is Rogowski coil.
As shown in FIG. 2 and 3, Rogowski coil include: upper housing, it is upper skeleton, coil, lower case, lower skeleton, offline
Circle and bindiny mechanism are provided with upper skeleton in upper housing, coil are wound on upper skeleton, upper housing one end is hinged with lower casing
Body is provided with lower skeleton in lower case, is wound with lower coil on lower skeleton, the hinged place of upper housing and lower case is provided with company
Connection mechanism, with when upper housing and lower case 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 housing.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 housing and lower case surround a ring-type) coil and lower coil electrically connect, so that 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 is bigger, and 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 guarantee 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 case besieged city,
Bindiny mechanism includes: movable block, spill spin block and the first spring, is recessed on the inside of upper housing and forms one first groove, in lower case
Side is recessed to form one second groove, and the first groove and the second groove are close to the hinged place of upper housing and lower case, 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 housing 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 housing direction, and spill spin block is electrically connected to offline
Circle, with when upper housing and lower case surround a ring-type spill spin block stretched in the first recess on the inside of upper housing, spill spin block with
Movable block is close to and the first spring is compressed.When upper housing and lower case are surrounded a ring-type, lower case drives spill spin block rotation
Turn, the trend of the oriented lower case direction rotation of spill spin block is slowly rotated block and first stretches in the first groove, then starts
Movable block is squeezed, so that the first spring is compressed, finally, guarantees that movable block and spill spin block closely connect under the first spring force
Touching is avoided there is a phenomenon where movable block and spill spin block poor contact, guarantees coil and lower coil electrical contact.When breaking upper casing into two with one's hands
When body and lower case, spill spin block is rotated to away from lower case direction, and final spill spin block and movable block are detached from, therefore spill spin block and shifting
Motion block will not influence the rotation between upper housing and lower case.
As shown in Figure 3 and 4, bindiny mechanism further include: 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, and coil one end stretches in newel and is 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, prolongs
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, seal assembly further include:
Box body is mounted on the hinged place in lower case and close to lower case and upper housing, offers convolution chamber in box body；
And
Convolution portion, setting is intracavitary in convolution, 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 housing and lower case, packet is torn first outside the first groove and the second groove
Sealing adhesive plaster, then break upper housing and lower case into two with one's hands again.After having reinstalled upper housing and lower case, 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, guarantees second to imitate the sealing of the first groove and the second groove after installing
Fruit.
As shown in figure 5, in order to guarantee that sealing adhesive plaster in sealing can be close to close to the end of box body with lower case, be simultaneously
Avoid that shell hinders the pull-out of sealing adhesive plaster, seal assembly further include: moving portion at present pulling out sealing adhesive plaster；
Moving portion includes: first movement bar, the second mobile bar, screw rod and third revolving part, is opened up in convolution bottom of chamber portion
There are two moving hole, first movement bar and the second mobile bar are rectangular parallelepiped structure, 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, and second is mobile
The bar other end and the second revolving part are hinged, and the second mobile bar is located at the intracavitary end of convolution and 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 parallel to each other, and screw rod is vertical with convolution bar.After having reinstalled upper housing and lower case,
Firstly, rotary screw, so that convolution bar is sufficiently large to the distance between lower case, 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 going up and down；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 pull out and (send as an envoy to from convolution bar pull-up firmly bigger) not from convolution bar, finally make 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 case, 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, guarantee 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 pulling out in order to avoid sealant cloth, seal
Component further include: limit transfer part；
Limit transfer part includes: installation shell, clamping bar, gear, second spring, idler wheel and voussoir, on first movement bar
It is fixed with installation shell, installation shell and first movement bar form a cavity for being connected to the first revolving part, the first revolving part position
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 being able to rotate is installed, a voussoir is mutually cut with idler wheel, voussoir is fixed on convolution cavity wall, voussoir small end
Deviate from lower case side positioned at voussoir big end, the inclined-plane and idler wheel of voussoir are tangent, when the sealing adhesive plaster and lower case outside convolution bar
Idler wheel is tangent with voussoir big end when abutting and gear is engaged with internal gear；It is rolled when the sealing adhesive plaster outside convolution bar is far from lower case
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 make 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 rotation, prevent sealing adhesive plaster then can from being drawn out again and (sealing adhesive plaster before and pulled out long enough)
To tense sealing adhesive plaster with strength, so that sealing adhesive plaster oneself will not be adhered to each other, the waste of sealing adhesive plaster is 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, moving portion to the carrying of convolution bar further include: 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 certain support to convolution bar, avoids
Cause the second revolving part to damage because stress is excessive, extends the service life of the second revolving part.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of transmission open acess on-line monitoring system characterized by comprising
Several current detection means, at least provided with three test points between two adjacent substations, each test point is respectively provided with
The current output value of test point where thering is a current detection means, each current detection means to be used to detection；
Sub-controller, each current detection means are connected to a sub-controller, and sub-controller is used for the electric current for judging to receive
Output valve whether be more than threshold value and when the current output value for having a current detection means between two adjacent substations be greater than threshold value when
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 detection 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 according to each position of mobile equipment and position of failure point from fault 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
Include: upper housing, upper skeleton, coil, lower case, lower skeleton, lower coil and bindiny mechanism, is provided with bone in upper housing
Frame is wound with coil on upper skeleton, and upper housing one end is hinged with lower case, is provided with lower skeleton in lower case, on lower skeleton
It is wound with lower coil, the hinged place of upper housing and lower case is provided with bindiny mechanism, to surround one when upper housing and lower case
Bindiny mechanism electrically connects coil with lower coil when cyclic annular, and when lower case is rotated relative to upper housing, 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's packet
Include: movable block, spill spin block and the first spring, upper housing inside recess form one first groove, recess formation on the inside of lower case
One second groove, the first groove and the second groove are close to the hinged place of upper housing and lower case, 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 housing 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 housing direction, and spill spin block is electrically connected to lower coil, to work as upper casing
Spill spin block stretches in the first recess on the inside of upper housing when body and lower case 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
Include: 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 outer toroid back
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 the described in any item transmission open acess on-line monitoring systems of claim 3 to 5, 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 in lower case and close to lower case and upper housing, offers convolution chamber in box body；And
Convolution portion, setting is intracavitary in convolution, 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, offers 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 and the second revolving part are hinged, and the second mobile bar is located at the intracavitary end of convolution and 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 parallel to each other, 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: installation shell, clamping bar, gear, second spring, idler wheel and voussoir, is fixed on first movement bar
There is installation shell, installation shell and first movement bar form a cavity for being connected to the first revolving part, and the first revolving part is located at sky
Intracavitary face 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 nibble 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 being able to rotate 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 case side, and the inclined-plane and idler wheel of voussoir are tangent, when the sealing adhesive plaster outside convolution bar is close to lower case
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 case idler wheel with
Convolution cavity wall is tangent and is detached from card hole in second spring elastic force lower gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936988.6U CN208488517U (en) | 2018-06-15 | 2018-06-15 | Transmission open acess on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936988.6U CN208488517U (en) | 2018-06-15 | 2018-06-15 | Transmission open acess on-line monitoring system |
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| CN208488517U true CN208488517U (en) | 2019-02-12 |
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| CN201820936988.6U Withdrawn - After Issue CN208488517U (en) | 2018-06-15 | 2018-06-15 | Transmission open acess on-line monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680829A (en) * | 2018-06-15 | 2018-10-19 | 重庆东电科技有限公司 | Transmission open acess on-line monitoring system |
| CN112432667A (en) * | 2020-11-25 | 2021-03-02 | 深圳市特发信息股份有限公司 | Intelligent on-line monitoring system for conducting wire state of power transmission line |
-
2018
- 2018-06-15 CN CN201820936988.6U patent/CN208488517U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680829A (en) * | 2018-06-15 | 2018-10-19 | 重庆东电科技有限公司 | Transmission open acess on-line monitoring system |
| CN108680829B (en) * | 2018-06-15 | 2023-10-27 | 重庆东电通信技术有限公司 | Fault positioning on-line monitoring system for power transmission line |
| CN112432667A (en) * | 2020-11-25 | 2021-03-02 | 深圳市特发信息股份有限公司 | Intelligent on-line monitoring system for conducting wire state of power transmission line |
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