CN207038883U - A kind of field layer I/O device quick-replaceable interface switching device - Google Patents
A kind of field layer I/O device quick-replaceable interface switching device Download PDFInfo
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- CN207038883U CN207038883U CN201720654239.XU CN201720654239U CN207038883U CN 207038883 U CN207038883 U CN 207038883U CN 201720654239 U CN201720654239 U CN 201720654239U CN 207038883 U CN207038883 U CN 207038883U
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- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 238000007796 conventional method Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
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Abstract
The utility model provides a kind of field layer I/O device quick-replaceable interface switching device, including interface conversion plate and pre-fabricated electric cables, described interface conversion plate includes On-off signal board, output switch parameter board, analog input card, transformer analog input card.Described interface conversion plate is respectively arranged with old I/O device interface connector and new I/O device interface connector in its four boards, the old I/O device interface connector of four boards includes two kinds of terminal connector and plug-in type interface connector, adapts to the old I/O device interface of two kinds of different connected modes.Can be quickly to solve short power off time in DC converter station field layer I/O device equipment replacement process, new and old facility switching amount, inconsistent the problems such as causing reconfiguration line more in the form of analog interface.It can meet that external cabling and inner wire are motionless or few dynamic, only can be rapidly completed updating apparatus purpose by increasing conversion equipment.
Description
Technical field
It the utility model is related to DC converter station field layer I/O device quick-replaceable implementation method and a kind of interface conversion dress
Technical field is put, more particularly to a kind of field layer I/O device quick-replaceable interface switching device.
Background technology
A kind of distributed field control equipment of the DC converter station field layer I/O device based on microprocessor.It mainly enters
Row current conversion station breaker, switching value, analog data collection, pretreatment and data every primary equipments such as knife, earthing knife-switch, change of current changes
Upload function, while perform the order output of the i.e. master station of central control station.I/O device mainly includes following functions board:
1. master cpu board
2. communicate COMM boards
3. On-off signal board
4. output switch parameter board
5.20mA, 10V value analog input card
6. D.C mutual-inductor analog input card
7. power supply board
As the development advanced by leaps and bounds and DC control and protection system of China's electronic technology are to accuracy of data acquisition requirement
Raising, field layer I/O device inherit and retain existing maturing appts the advantages of, also constantly using microprocessor new technology,
New construction etc. is innovated, and makes its performance more excellent, and functional configuration is more flexibly, comprehensively.
Perhaps old analog acquisition technology is used after DC converter station older generation's DFU400 field layers I/O device of group
Board, it is impossible to primary equipment PT, CT two sub-values are directly gathered, can only be converted into 20mA, 10V values, so electric current, voltage, having
Work(is idle, and conversion board is more, and it is inaccurate to frequently occur measurement, the problems such as low precision, board faults.Permitted at present after a new generation of group
The compatibility of upgrading, upgrading products are that DFU410 equipment technically instead of older generation's DFU400 field layer I/O devices completely.Newly
Not only functional cards plug-in unit, capacity can configure equipment;And have advanced frequency-tracking and AC synchronous sampling technique, can be accurate
The electric current of direct collection DC fields circuit, voltage and 20mA, 10V value wait ac analog parameter.
Because equipment operational reliability and the operation time limit consider that annual current conversion station can all have the tasks such as plant maintenance, overhaul.
Old DFU400 field layers I/O device is progressively upgraded to DFU410 field layer I/O devices by the current conversion station such as kaolinite plan at present, but is changed
During due to replacement equipment quantity be present replace more, and switching value, the problems such as analog board card interface form is inconsistent, cause
The more problems of reconfiguration line workload, it is unsatisfactory for the actual demand that the current conversion station site examining and repairing time is short, and debugging task weighs.So largely set
It is standby to change, get up extremely difficult complexity in current conversion station field conduct.
What the switching value of field layer I/O device, analog quantity board and primary equipment interface used at present is all direct electrical quantity
Acquisition geometry, but port connections mode has plug-in type connection terminal and different companies due to design space and technological requirement difference
Connect the various ways such as device grafting.Especially the interface board terminal definition of new and old two kinds of equipment and port connections mode are differed
When, effective quick-replaceable method can not be provided in engineering site, original all distributions can only be removed again, re-started
Distribution, it is impossible to meet such device context XPRS project construction commissioning requirements.
For new and old facility switching amount, analog interface form in DC converter station field layer I/O device equipment replacement process
Inconsistent the problems such as causing reconfiguration line more, it is impossible to the problem of meeting DC converter station quick-replaceable demand, main think of of the invention
Road is to provide the corresponding interface form of new used equipment respectively by increasing interface switching device and using pre-fabricated electric cables connected mode
Instead of worker's routine wiring mode, updating apparatus replacing purpose is rapidly completed so as to reach.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of field layer I/O device quick-replaceable interface conversion
Device, can power off time in DC converter station field layer I/O device equipment replacement process be short, new used equipment is opened quickly to solve
Guan Liang, analog interface form inconsistent the problems such as causing reconfiguration line more.The quick-replaceable implementation method, can meet external cabling
And inner wire is motionless or few dynamic, only can be rapidly completed updating apparatus purpose by increasing conversion equipment.
In order to achieve the above object, the utility model is realized using following technical scheme:
A kind of field layer I/O device quick-replaceable interface switching device, including interface conversion plate and pre-fabricated electric cables, it is described
Interface conversion plate includes On-off signal board, output switch parameter board, analog input card, transformer analog input
Card, described interface conversion plate are connected by pre-fabricated electric cables with the new I/O devices of DFU, and described interface conversion plate also passes through two kinds
Mode is connected with the terminal connecting plate in power distribution cabinet.
Described interface conversion plate is respectively arranged with old I/O device interface connector and new I/O device in its four boards
Interface connector, the old I/O device interface connector of four boards include two kinds of terminal connector and plug-in type interface connector,
Adapt to the old I/O device interface of two kinds of different connected modes;Described new I/O device interface connector be and the new I/O devices of DFU
Interface mode identical plug-in type interface connector.
Two kinds of old I/O device interface connectors in four boards of described interface conversion plate with new I/O device interface
Checked the number and be attached by the interface hyphen of new, old I/O device using signal cable between connector.
Described pre-fabricated electric cables include Multi-core signal cable and are connected to the adapter at its both ends, the adapter difference at both ends
Plug-in type is carried out with the interface of the new I/O device of new I/O device interface connector and DFU of interface conversion plate to be connected, interface conversion plate
Four boards in each board be respectively connected with a pre-fabricated electric cables.
Described old I/O device interface connector is connected using two ways with the terminal connecting plate in power distribution cabinet, is used
Terminal connector is directly connected when connecting with cable with the mode of connection, using prefabricated when being connected using plug-in type interface connector
Cable and plug mode connect.
Compared with prior art, the beneficial effects of the utility model are:
1st, the utility model proposes a kind of field layer I/O device quick-replaceable interface switching device, set using functional module
Meter, configuration is flexible, and On-off signal, output switch parameter, 20mA, 10V of varying number can be configured according to old I/O device demand
It is worth analog input, D.C mutual-inductor analog input interface conversion board.
2nd, the utility model proposes a kind of field layer I/O device quick-replaceable interface switching device, every kind of interface conversion plate
It is provided with card and new and old device interface types accordant interface mode.To meet the interface of different manufacturers field layer I/O device
Demand, inserted with the interface mode of used equipment interface type using the terminal connected mode and plug-in connector being commonly used at present
Connect two kinds of mode.
3rd, the utility model proposes a kind of field layer I/O device quick-replaceable interface switching device, including with new I/O device
The pre-fabricated electric cables of connection, pre-fabricated electric cables are finished cables;One end is only needed to be connected to On-off signal, switching value when changing at the scene
Output, 20mA, 10V values analog input, D.C mutual-inductor analog input interface conversion board, the other end are connected to corresponding new
On the board of device, you can complete all wiring tasks with new equipment.
4th, the utility model proposes a kind of field layer I/O device quick-replaceable interface switching device, interface switching device adopts
With frame mounting means, site operation can be easy to quickly and easily in the screen cabinet of existing field layer I/O device.
5th, the utility model proposes a kind of field layer I/O device quick-replaceable interface switching device, solve quick-replaceable
Field layer I/O device problem, it provides a kind of low cost, high reliability, it is easy to accomplish mode.
Brief description of the drawings
Fig. 1 is mounting structure schematic diagram of the present utility model;
Fig. 2 is structure and connection diagram of the present utility model;
Fig. 3 is pre-fabricated electric cables structural representation of the present utility model;
Fig. 4 is the specific attachment structure schematic diagram that old I/O device of the present utility model is terminal connected mode;
Fig. 5 is that the specific attachment structure that old I/O device of the present utility model is plug-in type interface connector connected mode is illustrated
Figure;
Wherein:1- On-off signal board 2- output switch parameter board 3- analog input card 4- transformers are simulated
Measure the new I/O device interfaces of plug-in type interface connector 7- of the old I/O devices of terminal connector 6- of the old I/O devices of input card 5-
Connector 8- pre-fabricated electric cables 9- Multi-core signal cable 10- cable adaptors.
Embodiment
Embodiment provided by the utility model is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, a kind of field layer I/O device quick-replaceable interface switching device, including interface conversion plate and prefabricated
Cable 8, described interface conversion plate include On-off signal board 1, output switch parameter board 2, analog input card 3, mutually
Sensor analog input card 4, described interface conversion plate are connected by pre-fabricated electric cables 8 with the new I/O devices of DFU, and described connects
Mouth change-over panel is also connected by two ways with the terminal connecting plate in power distribution cabinet.
Described interface conversion plate is respectively arranged with old I/O device interface connector and new I/O device in its four boards
Interface connector 7, the old I/O device interface connector of four boards include 6 liang of terminal connector 5 and plug-in type interface connector
Kind, adapt to the old I/O device interface of two kinds of different connected modes;Described new I/O device interface connector 7 be and the new IO of DFU
The interface mode identical plug-in type interface connector of equipment.
Two kinds of old I/O device interface connectors 5,6 in four boards of described interface conversion plate connect with new I/O device
Checked the number and be attached by the interface hyphen of new, old I/O device using signal cable between mouth connector 7.
As shown in figure 3, described pre-fabricated electric cables 8 include Multi-core signal cable 9 and are connected to the cable adaptor at its both ends
10, the interface progress with the new I/O device of new I/O device interface connector and DFU of interface conversion plate respectively of adapter 10 at both ends
Plug-in type connects, and each board is respectively connected with a pre-fabricated electric cables in four boards of interface conversion plate.
Described old I/O device interface connector 5,6 is connected using two ways with the terminal connecting plate in power distribution cabinet,
Directly it is connected when using terminal connector 5 to connect with cable with the mode of connection, is adopted when being connected using plug-in type interface connector 6
Connected with pre-fabricated electric cables and plug mode.
Transformer in described transformer analog input card 4 includes current transformer and voltage transformer.
The terminal connector 5 of described old I/O device is the terminal board routinely purchased, according to the terminal board of former I/O device
Model is supporting, and it is attached by the fixed screw at both ends with bottom plate.
The plug-in type interface connector 6 of described old I/O device and new I/O device interface connector 7 are the electricity routinely purchased
Cable spininess DB plug connectors, it is attached by the fixed screw at both ends with bottom plate.
In field layer I/O device Renewal process, only it need to increase interface switching device and the loop of pre-fabricated electric cables 8, you can complete fast
Speed completes updating apparatus and changes purpose.
Interface type for old I/O device in the utility model is different, there is provided two kinds of connected modes:
As shown in figure 4, in the loop that used equipment interface type is terminal connected mode, only need to be the original of old I/O device
Wiring is transplanted on the terminal on corresponding switching value and analog quantity the conversion board of interface switching device;For new and old two kinds
The problem of interface board terminal definition of equipment and port connections mode differ, passes through two end adapters 10 of pre-fabricated electric cables 8
To be adapted to.The loop include connector interface conversion equipment configuration On-off signal board 1, output switch parameter board 2,
20mA, 10V value analog input card 3, transformer analog input card 4 and the pre-fabricated electric cables 8 being adapted to four kinds of boards.
As shown in figure 5, for used equipment interface type for plug-in type interface connector connected mode loop in when, only need
The interface of original plug-in type interface connector of old I/O device is inserted into the corresponding switching value and analog quantity of interface switching device
On the plug for changing the plug-in connector on board.
The pre-fabricated electric cables 8 of adaptation share four kinds, and both ends are respectively interface switching device and the switching value of new I/O device is defeated
Enter board 1, output switch parameter board 2,20mA, 10V values analog input card 3, transformer analog input card 4 are connected
Connect.Fig. 3, the plug form of adapter 10 of cable one end and the connector of interface switching device board are shown in the signal of Adapter Cable 8
Supporting, the adaper plug form and new I/O device of the other end are supporting.
This programme has cost low in effect and implementation method, it is easy to accomplish the features such as.At present, using this quick
The method for changing field layer I/O device, only it need to increase interface switching device and simple fit pre-fabricated electric cables, so that it may complete new and old IO
The problems such as equipment interface form is inconsistent.The quick-replaceable implementation method, it can meet that external cabling and inner wire are motionless or few
It is dynamic, it can be rapidly completed and change updating apparatus purpose.
The current this quick-replaceable implementation method of field layer I/O device can be simple by experimental verification, effective solution
Certainly new and old equipment interface form is mismatched the problem of can not carrying out quick-replaceable.
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (4)
1. a kind of field layer I/O device quick-replaceable interface switching device, it is characterised in that including interface conversion plate and prefabricated electricity
Cable, described interface conversion plate include On-off signal board, output switch parameter board, analog input card, transformer mould
Analog quantity input card, described interface conversion plate are connected by pre-fabricated electric cables with the new I/O devices of DFU, described interface conversion plate
Also it is connected by two ways with the terminal connecting plate in power distribution cabinet;
Described interface conversion plate is respectively arranged with old I/O device interface connector and new I/O device interface in its four boards
Connector, the old I/O device interface connector of four boards include two kinds of terminal connector and plug-in type interface connector, adaptation
In the old I/O device interface of two kinds of different connected modes;Described new I/O device interface connector is to be connect with the new I/O devices of DFU
Mouth mode identical plug-in type interface connector.
2. a kind of field layer I/O device quick-replaceable interface switching device according to claim 1, it is characterised in that described
Interface conversion plate four boards in two kinds of old I/O device interface connectors adopted between new I/O device interface connector
Checked the number and be attached by the interface hyphen of new, old I/O device with signal cable.
3. a kind of field layer I/O device quick-replaceable interface switching device according to claim 1, it is characterised in that described
Pre-fabricated electric cables include Multi-core signal cable and be connected to the adapter at its both ends, the adapter at both ends respectively with interface conversion plate
The interface of new I/O device interface connector and the new I/O devices of DFU carry out plug-in type and connect, in four boards of interface conversion plate
Each board is respectively connected with a pre-fabricated electric cables.
4. a kind of field layer I/O device quick-replaceable interface switching device according to claim 1, it is characterised in that described
Old I/O device interface connector be connected using two ways with the terminal connecting plate in power distribution cabinet, connected using terminal connector
Directly it is connected when connecing with cable with the mode of connection, pre-fabricated electric cables and plug side is used when being connected using plug-in type interface connector
Formula connects.
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CN201720654239.XU CN207038883U (en) | 2017-06-07 | 2017-06-07 | A kind of field layer I/O device quick-replaceable interface switching device |
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CN201720654239.XU CN207038883U (en) | 2017-06-07 | 2017-06-07 | A kind of field layer I/O device quick-replaceable interface switching device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111950640A (en) * | 2020-08-14 | 2020-11-17 | 山西太钢不锈钢股份有限公司 | Switch fault processing method and device |
CN114222458A (en) * | 2021-12-17 | 2022-03-22 | 中控智网(北京)能源技术有限公司 | Wiring device and cabinet |
-
2017
- 2017-06-07 CN CN201720654239.XU patent/CN207038883U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111950640A (en) * | 2020-08-14 | 2020-11-17 | 山西太钢不锈钢股份有限公司 | Switch fault processing method and device |
CN111950640B (en) * | 2020-08-14 | 2022-08-02 | 山西太钢不锈钢股份有限公司 | Switch fault processing method and device |
CN114222458A (en) * | 2021-12-17 | 2022-03-22 | 中控智网(北京)能源技术有限公司 | Wiring device and cabinet |
CN114222458B (en) * | 2021-12-17 | 2024-03-22 | 中控创新(北京)能源技术有限公司 | Wiring device and cabinet |
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