CN207380189U - A kind of device of the end shield current method monitoring sleeve based on buckle-type installation - Google Patents
A kind of device of the end shield current method monitoring sleeve based on buckle-type installation Download PDFInfo
- Publication number
- CN207380189U CN207380189U CN201721530648.5U CN201721530648U CN207380189U CN 207380189 U CN207380189 U CN 207380189U CN 201721530648 U CN201721530648 U CN 201721530648U CN 207380189 U CN207380189 U CN 207380189U
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- China
- Prior art keywords
- end shield
- buckle
- shield current
- relay unit
- transformer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Testing Relating To Insulation (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model is related to a kind of devices of the end shield current method monitoring sleeve based on buckle-type installation, on for transformer casing, including end shield current collector, communication relay unit and monitoring backstage, end shield current collector is connected by Wi-Fi communication unit with communication relay unit, communication relay unit is connected by GPRS network communication unit with monitoring backstage, wherein：Voltage transformer is also associated with by cable on communication relay unit, end shield current collector buckle-type is mounted on bushing shell for transformer；End shield electric current is measured by the current collector being buckled on the end shield electric current of bushing shell for transformer and communicates the system voltage for the voltage transformer pt secondary side that relay unit measures, and then calculates the dielectric loss factor and capacitance of the casing；The utility model apparatus structure is simple, compact, easy for assemble or unload, safe to use.
Description
Technical field
The utility model is related to a kind of devices of monitoring sleeve, and in particular to a kind of end shield electric current based on buckle-type installation
The device of method monitoring sleeve, the utility model are applied to field of electrical equipment.
Background technology
At present entire Casing Detection field mainly by end shield electric current by cable from the bottom shielding of bushing of transformer top
Place is introduced in the signal acquisition case being located on transformer bottom ground level, is returned again to by punching current sensor to bottom shielding of bushing
End shield current earthing line is extended to tens meters by place, this real-time detection mode of end shield current parameters, has very big security risk
's.
Utility model content
Technical problem to be solved in the utility model is the acquisition of bottom shielding of bushing electric current, the shortcomings that overcoming the prior art,
A kind of device of the end shield current method monitoring sleeve based on buckle-type installation is provided, the apparatus structure is simple, compact, installing and dismounting
It is convenient, it is safe to use.
In order to solve the above technical problems, the utility model provides a kind of end shield current method monitoring based on buckle-type installation
The device of casing, on for transformer casing, including end shield current collector, communication relay unit and monitoring backstage, end shield
Current collector is connected by Wi-Fi communication unit with communication relay unit, and communication relay unit is communicated by GPRS network
Unit is connected with monitoring backstage, wherein：
Voltage transformer is also associated with by cable on communication relay unit, end shield current collector buckle-type, which is mounted on, to be become
On depressor casing；
End shield current collector includes collector body, accommodating case and fixed plate, and collector body is placed in accommodating case, holds
Case includes hollow box body and the fixed column for being arranged on box body one end, and one end hinge away from fixed column has box cover on box body,
Fixed column one end connects box body, and the other end is equipped with the buckle of protrusion；
Fixed plate is arranged on bushing shell for transformer, and card slot is provided in fixed plate, and card slot is adapted with the buckle in fixed column.
The technical solution that the utility model further limits as：
Further, in the device of the foregoing end shield current method monitoring sleeve based on buckle-type installation, relay unit is communicated
Including memory.
In the device of the foregoing end shield current method monitoring sleeve based on buckle-type installation, end shield current collector and voltage are mutual
Also contain synchronised clock in sensor respectively.
Technique effect containing synchronised clock, ensures the bottom shielding of bushing electric current of acquisition and the synchronism of system voltage.
In the device of the foregoing end shield current method monitoring sleeve based on buckle-type installation, the both sides of box body are equipped with several lead to
Hole, through hole are equipped with through hole cover, and through hole cover is extended by box body both sides protrusion, and through hole cover is half arcuate structure.
Technique effect, being provided with beneficial to heat dissipation well for through hole, ensures effective operation of device, ensures work efficiency,
Through hole cover is extended to form above through hole, such mode is beneficial to block dust and the entrance of other substances than simple through hole very much,
It avoids damaging collector, improves cost, such design method ensure that the normal of collector on the premise of heat dissipation
Operation, extends its service life.
In the device of the foregoing end shield current method monitoring sleeve based on buckle-type installation, fixed column is hollow structure.
Technique effect saves material, reduces cost.
The beneficial effects of the utility model are：
The accommodating case that the utility model is set can accommodate collector well, can be fixedly mounted on casing, and
Data measured in the case of not being physically contacted with original casing, since in Transformer, bottom shielding of bushing is not allow to open a way
, therefore using the installation of buckle-type, charged can load and unload, easy for assemble or unload, the saving time improves work efficiency.
The utility model accommodating case uses box body, and going back hinge has box cover, facilitates placement, takes out collector, and worked
Phenomena such as coming off, slipping will not occur in collector in journey, relatively more firm for fixed seat, retainer ring etc., ensure that work
Normal operation.
The utility model uses the current acquisition mode of buckle-type, in the past power failure is needed to handle without picture, and without extending end
Shield current line, equipment is not influenced.
The utility model data transmission uses wireless, such as wireless network and GPRS network, not with field device
There is direct physical contact, and from the influence of field device installation.
The utility model is different from existing casing dielectric loss analysis, can be to passing through bottom shielding of bushing electric current and system voltage phase
The comparative analysis of position, the further state for grasping casing aging insulation.
The utility model uses the handling mode of buckle-type in terms of end shield current acquisition, is different from existing extension end shield
Current line independent of site environment, can accurately measure the size and phase of end shield electric current, be provided for the analysis of casing dielectric loss
Foundation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure diagram of end shield current collector in the utility model；
Fig. 3 is the structure diagram that end shield current collector is buckled in the utility model；
In figure：1- bushings shell for transformer, 2- end shield current collectors, 21- collector bodies, 22- fixed plates, 23- box bodys,
24- fixed columns, 25- box covers, 26- buckles, 27- card slots, 3- communication relay units, 4- monitoring backstages, 5- voltage transformers, 6- lead to
Hole, 7- through hole covers.
Specific embodiment
Embodiment 1
A kind of device of end shield current method monitoring sleeve based on buckle-type installation provided in this embodiment, structure such as Fig. 1-
Shown in 3, on for transformer casing 1, including end shield current collector 2, communication relay unit 3 and monitoring backstage 4, end shield electricity
Stream collector 2 is connected by Wi-Fi communication unit with communication relay unit 3, and communication relay unit 3 is led to by GPRS network
News unit is connected with monitoring backstage 4, wherein：
Communicating relay unit 3 includes memory, communicates and is also associated with voltage transformer 5 by cable on relay unit 3, end
Shield 2 buckle-type of current collector to be mounted on bushing shell for transformer 1；
End shield current collector 2 includes collector body 21, accommodating case and fixed plate 22, and collector body 21 is placed in receiving
In box, accommodating case includes hollow box body 23 and the fixed column 24 for being arranged on 23 one end of box body, and fixed column 24 is hollow structure, box
One end hinge away from fixed column 24 has box cover 25,24 one end of fixed column connection box body 23 on body 23, and the other end is equipped with protrusion
Buckle 26；
The both sides of box body 23 are equipped with several through holes 6, and through hole 6 is equipped with through hole cover 7, and through hole cover 7 is protruded by 23 both sides of box body
Extend, through hole cover 7 is half arcuate structure；
Fixed plate 22 is arranged on bushing shell for transformer 1, is provided with card slot 27 in fixed plate 22, card slot 27 in fixed column 24
Buckle 26 is adapted.
In the present embodiment, end shield current collector 2 with also containing synchronised clock respectively in voltage transformer 5.
When it is implemented, communication relay unit 3 gathers and receives the signal that end shield current collector 2 is sent, communication relaying
Signal is stored and pass through GPRS network by unit 3 is sent to monitoring backstage 4, and the utility model innovation uses the installation side of buckle-type
Formula, the acquisition of end shield electric current is carried out in the case where not destroying existing equipment, then is compared with system voltage phase.
The end shield current collector 2 being mounted on by buckle-type on end shield electric current gathers current information, meanwhile, communication relaying
Unit 3 measures the voltage phase information of PT secondary sides, communication relay unit 3 is sent to by wireless transmission mode, in communication
Numerical values recited, the analysis of phase and system voltage are carried out after unit 3 to the end shield electric current of receiving to compare, you can obtain Jie of casing
Matter fissipation factor and capacitance in actual operation, provide the analysis of casing dielectric loss factor and capacitance, can be comprehensive
Reflection casing aging state of insulation, for user to casing analyze reliable basis are provided.
In addition to the implementation, the utility model can also have other embodiment.It is all to use equivalent substitution or equivalent change
The technical solution to be formed is changed, all falls within the protection domain of the requires of the utility model.
Claims (5)
1. a kind of device of the end shield current method monitoring sleeve based on buckle-type installation, for transformer casing（1）On, feature
It is：Including end shield current collector（2）, communication relay unit（3）And monitoring backstage（4）, the end shield current collector
（2）Pass through Wi-Fi communication unit and the communication relay unit（3）Connection, the communication relay unit（3）Pass through GPRS
Network communication unit and the monitoring backstage（4）Connection, wherein：
The communication relay unit（3）It is upper that voltage transformer is also associated with by cable（5）, the end shield current collector
（2）Buckle-type is mounted on bushing shell for transformer（1）On；
The end shield current collector（2）Including collector body（21）, accommodating case and fixed plate（22）, the collector
Body（21）It is placed in the accommodating case, the accommodating case includes hollow box body（23）And it is arranged on box body（23）One end
Fixed column（24）, the box body（23）Upper separate fixed column（24）One end hinge have box cover（25）, the fixed column（24）One
End connects the box body（23）, buckle of the other end equipped with protrusion（26）；
The fixed plate（22）It is arranged at the bushing shell for transformer（1）On, the fixed plate（22）On be provided with card slot（27）, institute
The card slot stated（27）With the fixed column（24）On buckle（26）It is adapted.
2. the device of the end shield current method monitoring sleeve according to claim 1 based on buckle-type installation, it is characterised in that：
The communication relay unit（3）Including memory.
3. the device of the end shield current method monitoring sleeve according to claim 1 based on buckle-type installation, it is characterised in that：
The end shield current collector（2）With the voltage transformer（5）In also contain synchronised clock respectively.
4. the device of the end shield current method monitoring sleeve according to claim 1 based on buckle-type installation, it is characterised in that：
The box body（23）Both sides be equipped with several through holes（6）, the through hole（6）It is equipped with through hole cover（7）, the through hole cover
（7）By box body（23）Both sides protrusion extends, the through hole cover（7）For half arcuate structure.
5. the device of the end shield current method monitoring sleeve according to claim 1 based on buckle-type installation, it is characterised in that：
The fixed column（24）For hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530648.5U CN207380189U (en) | 2017-11-15 | 2017-11-15 | A kind of device of the end shield current method monitoring sleeve based on buckle-type installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530648.5U CN207380189U (en) | 2017-11-15 | 2017-11-15 | A kind of device of the end shield current method monitoring sleeve based on buckle-type installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380189U true CN207380189U (en) | 2018-05-18 |
Family
ID=62332770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721530648.5U Expired - Fee Related CN207380189U (en) | 2017-11-15 | 2017-11-15 | A kind of device of the end shield current method monitoring sleeve based on buckle-type installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167184A (en) * | 2021-12-06 | 2022-03-11 | 国网新疆电力有限公司电力科学研究院 | Sleeve and mutual inductor end screen online monitoring networking system and method based on Internet of things |
-
2017
- 2017-11-15 CN CN201721530648.5U patent/CN207380189U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167184A (en) * | 2021-12-06 | 2022-03-11 | 国网新疆电力有限公司电力科学研究院 | Sleeve and mutual inductor end screen online monitoring networking system and method based on Internet of things |
| CN114167184B (en) * | 2021-12-06 | 2024-01-23 | 国网新疆电力有限公司电力科学研究院 | Sleeve and transformer end screen online monitoring networking system and method based on Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20201115 |