CN208986687U - A kind of 10kv transformer and distribution power station intelligence O&M access device - Google Patents
A kind of 10kv transformer and distribution power station intelligence O&M access device Download PDFInfo
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- CN208986687U CN208986687U CN201821972662.5U CN201821972662U CN208986687U CN 208986687 U CN208986687 U CN 208986687U CN 201821972662 U CN201821972662 U CN 201821972662U CN 208986687 U CN208986687 U CN 208986687U
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- transformer
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Abstract
The utility model discloses a kind of 10kv transformer and distribution power station intelligence O&M access devices, power supply external circuit including transformer and distribution power station, access case and data collector, accessing case includes guard shield and bottom plate, the first connecting terminal block is provided on bottom plate, data collector mounting groove, power output terminal and first network interface, power output terminal is connected with collector power supply, data collector is provided with plant-grid connection terminal, second network interface and the second connecting terminal block, secondary loop of mutual inductor signal adapter is electrically connected between first threephase current transformer access terminal and threephase current transformer, Secondary Circuit of Potential Transformer signal adapter is electrically connected between first threephase potential transformer access terminal and threephase potential transformer.Case is accessed by default installation, and is equipped with a variety of connecting terminals, convenient for the circuit signal access data collector for external circuit of powering to be carried out to the detection of power operating state when O&M.
Description
Technical field
The utility model relates to a kind of power matching network O&M equipment technical fields, and in particular to be a kind of 10kv transformer and distribution power station
Intelligent O&M access device.
Background technique
In recent years due to the generality of nonlinear load, cause harmonic pollution in electric power net serious, industrial enterprise continuously emerge former
Because of unknown power outage.The treatment process of these accidents generally lacks status information foundation when accident occurs again, therefore has
A little power outages become hard nut to crack.
In the prior art, such a local electric system real time monitoring of setting such as " Gang Boyun " system system can be passed through
System, detection record system use electricity condition, and system mode when accident occurs is reappeared after power outage, to find accident hair
Raw definite factor has prevented the generation again of similar accident.
But above-mentioned electric power real-time monitoring system, as a new things, many power consumers are in power infrastructures
Design and construction initial stage, recognize less than above system necessity, it is thus possible to decision be not provided with above system.It is used working as
In electric process when Frequent Accidents, just there is the demand of setting above system.However, this is arranged again after Operation of Electric Systems
The system of sample is exactly a very big improvement engineering, can be related to the change of primary circuit, difficult.
Utility model content
The purpose of the utility model is to provide a kind of 10kv transformer and distribution power station intelligence O&M access devices, in power infrastructures
Just pre-installation access case, the access for providing interface realization operation power monitoring system are run to solve above-mentioned technology in process of construction
Problem.
To achieve the above object, technical solution adopted in the utility model is:
A kind of 10kv transformer and distribution power station intelligence O&M access device, power supply external circuit, access case sum number including transformer and distribution power station
According to collector, the power supply external circuit setting threephase current transformer and threephase potential transformer, the access case includes protection
The bottom plate of shell and the insulation in the guard shield is provided with the first connecting terminal block, data acquisition on the bottom plate
Device mounting groove, power output terminal and first network interface, the power output terminal are connected with collector power supply, the data
Collector is arranged on the data collector mounting groove, and the data collector is provided with plant-grid connection terminal, the second network
Interface and the second connecting terminal block, the plant-grid connection terminal connect the power output terminal, second network interface
The first network interface is connected, the second connecting terminal block matching connects first connecting terminal block, and described first connects
Line terminals row is provided with several first threephase current transformers access terminal and the access of several first threephase potential transformers
Terminal, second connecting terminal block are provided with several second threephase current transformers access terminal and several second three-phases
Voltage transformer accesses terminal, between the first threephase current transformer access terminal and the threephase current transformer electrically
It is connected with secondary loop of mutual inductor signal adapter, the first threephase potential transformer access terminal and the three-phase electricity
Secondary Circuit of Potential Transformer signal adapter is electrically connected between pressure mutual inductor.
Further, it is additionally provided between the threephase potential transformer and first threephase potential transformer access terminal
Fuse.Setting fuse is for preventing threephase potential transformer secondary loop short circuit.
Further, it is additionally provided between the threephase current transformer and first threephase current transformer access terminal
Short-circuit piece.Short-circuit piece is set, it is ensured that the secondary loop short circuit of threephase current transformer connects, and avoiding generation, Keep Clear-High Voltage.
Further, the surface of the guard shield is coated with fire resistant coating.Fire prevention is coated on the surface of guard shield to apply
Layer, improves the fire protecting performance of equipment.
Further, electro-magnetic screen layer is arranged in the inner surface of the guard shield.In the inner surface of guard shield, electromagnetism is set
Shielded layer can effectively shield external electromagnetic interference, improve the anti-interference of equipment.
Further, the first network interface and the second network connection mouth are RJ45 network interface.Using general
RJ45 network interface will collect circuit signal convenient for data collector and be uploaded to internet data link, and realize the height of data
Fast transmission/reception and scalability is strong.
The beneficial effects of the utility model are: the present apparatus presets installation access during custom power infrastructure construction
Case accesses and is equipped with a variety of connecting terminals in case, convenient for when O&M by the circuit signal of external circuit of powering access data collector into
The detection of row power operating state.
Provided with secondary loop of mutual inductor signal adapter, can the 0 of threephase current transformer secondary circuit~
5A current signal is converted to the voltage signal of 0~5VDC, is supplied to data collector input acquisition；
Provided with Secondary Circuit of Potential Transformer signal adapter, can the 0 of threephase potential transformer secondary circuit~
100VAC signal is converted to the voltage signal of 0~5VDC, is supplied to data collector input acquisition；
All electronic structures are respectively mounted on the bottom plate for one piece of insulation being arranged in access case, are convenient for electric wiring and entirety
Installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the data collector of the utility model；
Fig. 3 is the structural schematic diagram after the utility model installation data collector.
Appended drawing reference: 1, external circuit of powering；11, threephase current transformer；12, threephase potential transformer；2, case is accessed；3,
Guard shield；4, bottom plate；41, the first connecting terminal block；411, the first threephase current transformer accesses terminal；412, the first three-phase
Voltage transformer accesses terminal；42, data collector mounting groove；43, power output terminal；44, first network interface；45, it adopts
Storage power supply；5, data collector；51, plant-grid connection terminal；52, the second network interface；53, the second connecting terminal block；531,
Second threephase current transformer accesses terminal；532, the second threephase potential transformer accesses terminal；6, Current Transformer Secondary is returned
Road signal adapter；7, Secondary Circuit of Potential Transformer signal adapter；8, fuse；9, short-circuit piece.
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, with reference to the accompanying drawings of the specification and have
Body embodiment is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only used to solve
The application is released, is not used to limit the application.
Referring to figs. 1 to Fig. 3, it is shown in which a kind of 10kv transformer and distribution power station intelligence O&M access device in one embodiment,
Power supply external circuit 1, access case 2 and data collector 5 including transformer and distribution power station, power supply external circuit 1 are provided with three-phase current mutual inductance
Device 11 and threephase potential transformer 12.Access the bottom plate 4 that case 2 includes guard shield 3 and the insulation in guard shield, bottom plate
The first connecting terminal block 41, data collector mounting groove 42, power output terminal 43 and first network interface 44 are provided on 4,
Power output terminal 43 is connected with collector power supply 45, and collector power supply provides 220VAC and supplies an electric power to data collector work
Make.Data collector 5 is arranged on data collector mounting groove 42, and data collector 5 is provided with plant-grid connection terminal 51, second
Network interface 52 and the second connecting terminal block 53, plant-grid connection terminal 51 connect power output terminal 43, the second network interface
52 connection first network interfaces 44, the second connecting terminal block 53 matching the first connecting terminal block 41 of connection, the first connecting terminal block
There are four the first threephase current transformer access terminals 411 and four the first threephase potential transformers to access terminal 412 for 41 settings,
There are four the second threephase current transformer access terminal 531 and four the second three-phase voltage mutual inductances for the setting of second connecting terminal block 53
Device accesses terminal 532, is electrically connected with electricity between the first threephase current transformer access terminal 411 and threephase current transformer 11
Current transformer secondary circuit signal converter 6, the first threephase potential transformer access terminal 412 and threephase potential transformer 12 it
Between be electrically connected with Secondary Circuit of Potential Transformer signal adapter 7.
Wherein, first network interface 44 and the second network connection mouth 52 are RJ45 network interface.Using general RJ45 net
Network interface will collect circuit signal convenient for data collector and be uploaded to internet data link, realize data high speed send/
It receives and scalability is strong.
It is further used as preferred embodiment, threephase potential transformer 12 and the first threephase potential transformer access terminal
Fuse 8 is additionally provided between 412.Fuse is set, for preventing threephase potential transformer secondary circuit from short circuit occurs.
It is further used as preferred embodiment, threephase current transformer 11 and the first threephase current transformer access terminal
Short-circuit piece 9 is additionally provided between 411.Short-circuit piece is set, it is ensured that the secondary loop short circuit of threephase current transformer connects, and avoids producing
It is raw that Keep Clear-High Voltage.
It is further used as preferred embodiment, the surface of guard shield 3 is coated with fire resistant coating.In the table of guard shield
Face is coated with fire resistant coating, improves the fire protecting performance of equipment.
It is further used as preferred embodiment, electro-magnetic screen layer is arranged in the inner surface of guard shield 3.In guard shield
Electro-magnetic screen layer is arranged in inner surface, can effectively shield external electromagnetic interference, improve the anti-interference of equipment.
The working principle of the utility model is as follows:
One, device is default:
In the design phase of power infrastructures, the present apparatus is just included in design, and in the electricity of construction stage finishing device
Gas route and access case pre-installation, access case in be equipped with a variety of connecting terminals, convenient for when O&M by the circuit for external circuit of powering
Signal accesses the detection that data collector carries out power operating state.It accesses case and its internal each unit is entering construction site
Before, manufacture just is completed in factory and is examined.
Two, the enabling of device:
It can be realized in any stage of power construction as long as user determines access power operating state monitoring system
Access and operation data collector in the case where not having a power failure, access and starting operational process are according to following step:
(1) appearance and intact degree for checking access case 2 and each connecting terminal, check the voltage of collector power supply 45；
Data collector 5 is mounted in data collector mounting groove 42；
(2) it checks that whether reliable the connection of confirmation secondary loop of mutual inductor signal adapter 6 is correct, removes three-phase electricity
The short-circuit piece 9 of current transformer secondary circuit verifies the output of secondary loop of mutual inductor signal adapter 6 in normal range (NR)
It is interior；Each first threephase current transformer access terminal 411 is connect with the second threephase current transformer access terminal 531；
(3) check that whether reliable the connection of confirmation Secondary Circuit of Potential Transformer signal adapter 7 is correct, calibration voltage is mutual
The output of sensor secondary circuit signal converter 7 is in the normal range；Each first threephase potential transformer is accessed into terminal 412
It is connect with the second threephase potential transformer access terminal 532；
(4) plant-grid connection terminal 51 is connect with power output terminal 43, connects the power supply of data collector 5；It will
Second network interface 52 is connect with first network interface 44, and first network interface 44 reconnects computer (not shown), connects interconnection
Network data link confirms that it can run well；
(5) various functions for utilizing computer tune-up data collector 5, confirm normal operation, carry out O&M detection.
The beneficial effects of the utility model are: the present apparatus presets installation access during custom power infrastructure construction
Case accesses and is equipped with a variety of connecting terminals in case, convenient for when O&M by the circuit signal of external circuit of powering access data collector into
The detection of row power operating state.
Provided with secondary loop of mutual inductor signal adapter, can the 0 of threephase current transformer secondary circuit~
5A current signal is converted to the voltage signal of 0~5VDC, is supplied to data collector input acquisition；
Provided with Secondary Circuit of Potential Transformer signal adapter, can the 0 of threephase potential transformer secondary circuit~
100VAC signal is converted to the voltage signal of 0~5VDC, is supplied to data collector input acquisition；
All electronic structures are respectively mounted on the bottom plate for one piece of insulation being arranged in access case, are convenient for electric wiring and entirety
Installation.
It is to be illustrated to the preferable implementation of the utility model, but the utility model is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Shape or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of 10kv transformer and distribution power station intelligence O&M access device, power supply external circuit, access case and data including transformer and distribution power station
Collector, the power supply external circuit setting threephase current transformer and threephase potential transformer, the access case include that protection is outer
The bottom plate of shell and the insulation in the guard shield, it is characterised in that: be provided on the bottom plate the first connecting terminal block,
Data collector mounting groove, power output terminal and first network interface, the power output terminal are connected with collector power supply,
The data collector is arranged on the data collector mounting groove, the data collector be provided with plant-grid connection terminal,
Second network interface and the second connecting terminal block, the plant-grid connection terminal connection power output terminal, described second
Network interface connects the first network interface, and the second connecting terminal block matching connects first connecting terminal block, institute
State the first connecting terminal block be provided with several first threephase current transformers access terminal and several first three-phase voltages it is mutual
Sensor accesses terminal, and second connecting terminal block is provided with several second threephase current transformers access terminal and several
Second threephase potential transformer accesses terminal, the first threephase current transformer access terminal and the threephase current transformer
Between be electrically connected with secondary loop of mutual inductor signal adapter, the first threephase potential transformer access terminal and institute
It states and is electrically connected with Secondary Circuit of Potential Transformer signal adapter between threephase potential transformer.
2. a kind of 10kv transformer and distribution power station intelligence O&M access device according to claim 1, it is characterised in that: the three-phase
Fuse is additionally provided between voltage transformer and first threephase potential transformer access terminal.
3. a kind of 10kv transformer and distribution power station intelligence O&M access device according to claim 1, it is characterised in that: the three-phase
Short-circuit piece is additionally provided between current transformer and first threephase current transformer access terminal.
4. a kind of 10kv transformer and distribution power station intelligence O&M access device according to claim 1, it is characterised in that: the protection
The surface of shell is coated with fire resistant coating.
5. a kind of 10kv transformer and distribution power station intelligence O&M access device according to claim 1, it is characterised in that: the protection
Electro-magnetic screen layer is arranged in the inner surface of shell.
6. according to claim 1 to any a kind of 10kv transformer and distribution power station intelligence O&M access device in 5, feature exists
In: the first network interface and described second is connected to the network mouth as RJ45 network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972662.5U CN208986687U (en) | 2018-11-28 | 2018-11-28 | A kind of 10kv transformer and distribution power station intelligence O&M access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972662.5U CN208986687U (en) | 2018-11-28 | 2018-11-28 | A kind of 10kv transformer and distribution power station intelligence O&M access device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208986687U true CN208986687U (en) | 2019-06-14 |
Family
ID=66791650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821972662.5U Active CN208986687U (en) | 2018-11-28 | 2018-11-28 | A kind of 10kv transformer and distribution power station intelligence O&M access device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208986687U (en) |
-
2018
- 2018-11-28 CN CN201821972662.5U patent/CN208986687U/en active Active
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