CN107834508A - External interface standardized feeder protection device - Google Patents
External interface standardized feeder protection device Download PDFInfo
- Publication number
- CN107834508A CN107834508A CN201711222782.3A CN201711222782A CN107834508A CN 107834508 A CN107834508 A CN 107834508A CN 201711222782 A CN201711222782 A CN 201711222782A CN 107834508 A CN107834508 A CN 107834508A
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- China
- Prior art keywords
- board card
- switching value
- terminals
- protection device
- connector
- Prior art date
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- Granted
Links
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000009849 deactivation Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides a feeder protection device with standardized external interfaces, which comprises a box body, wherein a CPU data processing board card, a power supply/switching value input board card, an alternating current acquisition board card, a switching value output board card and an operation loop board card are integrated in the box body. All board cards are communicated through buses, the power supply/switching value input board card, the alternating current acquisition board card, the switching value output board card and the operation loop board card are connected with the outside through connectors provided with terminals with specific core numbers respectively, and each core terminal on the same connector is provided with an external port with the same structure and input or output of specific signals. The invention can realize the standardization of the terminal form, definition and external connection mode, and solves the problems of large terminal wiring difference, low working efficiency, easy error and the like.
Description
Technical Field
The invention relates to the technical field of power feeder protection, in particular to a feeder protection device with a standardized external interface.
Background
The external interface of the feeder line protection device is an important channel for interaction with the outside, and the form and the connection mode of the external interface have important influences on the aspects of design, function, performance, reliability, cost and the like of the feeder line protection device, wherein the most important is the alternating current quantity acquisition interface and the switching value related interface. The feeder protection device installed in the switch cabinet is limited by narrow space and severe electromagnetic environment in the cabinet, has higher requirements on the form of an interface and the connection mode of the interface, and needs to complete subsequent screen distribution and wiring work in a switch cabinet factory, so the quality and efficiency of screen distribution and wiring are influenced by the complexity of the form of the interface and the connection mode. In addition, the external interface of the feeder line protection device also affects subsequent debugging, maintenance and other work.
The interface form of the alternating current quantity acquisition interface and the interface form of the switching value correlation interface of the existing feeder line protection device both adopt a terminal form, but the feeder line protection devices of different manufacturers are not uniform in the terminal form, for example, the number of cores of each terminal is different, and the number of cores is 24, 32 and the like; the signal definition at each terminal is also different; there are also different connection methods between the terminal and the outside, for example, screw connection, pressure welding, or soldering.
Because the feeder protection devices of different manufacturers have great difference in terminal form and definition, mutual replacement between devices of different manufacturers cannot be realized. Once the device of a certain manufacturer needs to be replaced completely due to reasons such as service life expiring, the device of other manufacturers cannot be used for direct replacement, and the later maintenance of the device is seriously influenced. And the same cubical switchboard producer probably purchases the feeder protection device of different producers, when carrying out artifical joining in marriage the screen and wiring in the cubical switchboard factory, great difference in terminal form and definition not only influences manual operation's efficiency, still makes mistakes easily. In addition, the feeder line protection device also affects the wiring efficiency through the difference between the terminal and the external connection mode.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a feeder protection device with a standardized external interface, which can realize standardization of terminal form, definition and external connection mode, and solve the problems of large terminal wiring difference, low working efficiency, easy error, and the like.
In order to solve the above technical problem, an embodiment of the present invention provides a feeder protection device with a standardized external interface, which is used for a switch cabinet, and includes a box body, wherein:
the CPU data processing board card is used for processing and calculating the feeder protection function data and outputting a tripping instruction;
a power supply/switching value input board card for supplying power and acquiring signals required by the protection function;
the alternating current quantity acquisition board card is used for acquiring voltage and current of the feeder line;
the switching value output board card is used for converting the tripping instruction transmitted by the CPU data processing board card into a switching value output board card output by the relay outlet;
the operation loop board card is used for realizing operation control on the feeder circuit breaker;
the CPU data processing board card, the power supply/switching value input board card, the alternating current acquisition board card, the switching value output board card and the operation loop board card are communicated through buses, and the power supply/switching value input board card, the alternating current acquisition board card, the switching value output board card and the operation loop board card are respectively connected with the outside through corresponding connectors; each connector is correspondingly provided with terminals with specific core numbers, and each core terminal on the same connector is provided with an external connection port with the same structure and an input or output which is endowed with specific signals.
Each connector comprises a protective shell fixed on the box body, a socket female pin forming a terminal external connection port, a socket female pin, a socket male pin and a socket male pin forming a terminal internal connection board card port; wherein,
one end of the female plug of the plug body is embedded with the female plug pin of the plug body and is connected with the protective shell, and the other end of the female plug of the plug body is connected with one end of the male plug of the plug body;
the other end of the plug body male plug is embedded with the plug body male contact pin and is connected with the corresponding board card through a bus.
The connector for connecting the power supply/switching value input board card and the outside is provided with terminals with 32 cores in two rows and in parallel; the power/switching value input board 32 core terminal gives specific input signals including hand-on synchronous opening, low-frequency load shedding hard pressing plate, low-cycle load shedding hard pressing plate, deactivation/locking reclosing, spring non-stored energy opening, remote operation protection hard pressing plate, remote operation measurement and control hard pressing plate, signal resetting, maintenance state hard pressing plate and 15-channel remote communication opening.
The connector for connecting the alternating current acquisition board card and the outside is provided with 26-core terminals in two rows in parallel; the core terminal of the alternating current acquisition board card 26 is endowed with specific input signals including bus three-phase voltages Ua, Ub and Uc, line voltage Ux, protection three-phase currents Ia, Ib and Ic, zero-sequence current I0 and measurement three-phase currents Iam, Ibm and Icm.
The connector for connecting the switching value output board card with the outside is provided with terminals with 32 cores in two rows and in parallel; the switching value output board 32 core terminal gives specific switching value output signals including protection tripping, reclosing, breaker opening and closing and three groups of standby remote control opening and closing.
The connector for connecting the operation circuit board card and the outside is provided with terminals with 32 cores in two rows and in parallel; the operation circuit board 32 core terminal gives specific output signals including hand-on, hand-off, remote-on, remote-off, to-on coil, to-trip coil, protection trip inlet, permanent trip inlet, breaker trip position, post-on/hand-off signal, trip-on circuit monitoring, control circuit disconnection and accident total signal.
The switching value output board card and the operation circuit board card are integrated together.
The distance between the adjacent terminals in the same row in the core terminals of the alternating current collecting board card 26 is 9mm, and the distance between the adjacent terminals in different rows is 13.5 mm.
The distance between the adjacent terminals in the same row in the terminals of the power supply/switching value input board card, the switching value output board card and the operating circuit board card 32 core is 7.62mm, and the distance between the adjacent terminals in different rows is 5.08 mm.
Wherein the outer contour of each connector is rectangular.
The embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the interfaces of the alternating current quantity acquisition board card and the switching quantity related board cards (including the power supply/switching quantity input board card, the switching quantity output board card and the operation loop board card) are uniform in shape, and the terminal forms are fixed, so that the standardization of the terminal forms, definitions and external connection modes is realized, the universal interchange is convenient, the corresponding connectors are adopted for external connection, the direct plugging and unplugging can be realized, the operation is simple and rapid, the error is not easy to occur, and the problems of large terminal wiring difference, low working efficiency, easy error and the like can be further solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a rear plan view structural diagram of a feeder line protection device with a standardized external interface according to an embodiment of the present invention;
fig. 2 is an exploded perspective view of one type of connector in the external interface standardized feeder line protection device provided by the embodiment of the present invention;
fig. 3 is an exploded perspective view of another type of connector in the external interface standardized feeder line protection device provided by the embodiment of the present invention;
fig. 4 is an application scenario diagram of each terminal of the power supply/switching value input board card in fig. 1 assigned with a specific signal definition;
fig. 5 is an application scene diagram of each terminal of the alternating current quantity acquisition board card in fig. 1 given a specific signal definition;
fig. 6 is an application scenario diagram of each terminal being assigned with a specific signal definition when the switching value output board card and the operation circuit board card in fig. 1 are integrated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, in an embodiment of the present invention, a feeder protection device with a standardized external interface is provided, and is used for a switch cabinet, and is characterized by including a box body, where:
a CPU data processing board card 1 for processing and calculating the feeder protection function data and outputting a tripping instruction;
a power supply/switching value input board card 2 for supplying power and acquiring signals required by the protection function;
an alternating current quantity acquisition board card 3 for acquiring the voltage and current of the feeder line;
the switching value output board card 4 is used for converting the tripping instruction transmitted by the CPU data processing board card 1 into a switching value output board card output by a relay outlet;
an operation loop board card 5 for realizing operation control on the feeder circuit breaker;
the CPU data processing board 1, the power supply/switching value input board 2, the alternating current acquisition board 3, the switching value output board 4 and the operation loop board 5 are communicated through buses, and the power supply/switching value input board 2, the alternating current acquisition board 3, the switching value output board 4 and the operation loop board 5 are connected with the outside through corresponding connectors respectively; each connector is correspondingly provided with terminals with specific core numbers, and each core terminal on the same connector is provided with an external connection port with the same structure and an input or output which is endowed with specific signals.
It can be understood that each core terminal on the alternating current acquisition board card 3, the power supply/switching value input board card 2, the switching value output board card 4 and the operation circuit board card 5 has an external port with the same structure, so that the interface shapes are uniform, the terminal forms are fixed, the standardization of the terminal forms and the external connection modes is realized, and the external ports of each core terminal are endowed with the input or output of specific signals, so that the standardization of terminal definition is realized, and the universal interchange is convenient; meanwhile, the corresponding connector is adopted to be externally connected, so that the terminal can be directly plugged and pulled out, simplicity and rapidness are realized, errors are not easy to occur, and the problems of large terminal wiring difference, low working efficiency, easiness in errors and the like are further solved.
To facilitate the installation of the connector with the housing, the connector is usually a heavy-duty connector, the external contour of which is rectangular.
Further, as shown in fig. 2 and 3, each connector includes a protective housing 61 fixed to the housing, a socket female pin 62 forming a terminal external connection port, a socket female pin 63, a socket male pin 64, and a socket male pin 65 forming a terminal internal connection card port; wherein,
one end of the socket female plug 63 is embedded with the socket female pin 62 and connected with the protective shell 61, and the other end is connected with one end of the socket male plug 64;
the other end of the male plug 64 is inserted into the male plug 65 and connected to the corresponding board via a bus.
Furthermore, a connector for connecting the power supply/switching value input board card 2 with the outside is provided with terminals with 32 cores in two rows and in parallel; the 32-core terminal on the power/switching value input board card 2 gives specific input signals including a hand-closing synchronous opening, a low-frequency load shedding hard pressing plate, a low-cycle load shedding hard pressing plate, a deactivation/locking reclosing switch, a spring non-stored energy opening, a remote operation protection hard pressing plate, a remote operation measurement and control hard pressing plate, signal resetting, a maintenance state hard pressing plate and a 15-channel remote communication opening, and specific signals are defined in the related conditions of the terminal as shown in fig. 4. In addition, the distance between adjacent terminals in the same column in the 32-core terminals on the power/switching value input board 2 is 7.62mm, and the distance between adjacent terminals in different columns is 5.08 mm.
Furthermore, a connector for connecting the alternating current quantity acquisition board card 3 with the outside is provided with 26-core terminals in two rows and in parallel; the specific input signals given to the core terminal of the alternating current acquisition board 326 include bus three-phase voltages Ua, Ub and Uc, a line voltage Ux, protection three-phase currents Ia, Ib and Ic, a zero-sequence current I0 and measurement three-phase currents Iam, Ibm and Icm, and specific signals are defined in the related conditions of the terminal as shown in fig. 5. In addition, the distance between the adjacent terminals in the same row in the 26-core terminals on the alternating current quantity acquisition board card 3 is 9mm, and the distance between the adjacent terminals in different rows is 13.5 mm.
Furthermore, a connector for connecting the switching value output board card 4 with the outside is provided with terminals with 32 cores in two rows and in parallel; the 32-core terminal on the switching value output board card 4 gives specific switching value output signals including protection tripping, reclosing, breaker opening and closing and three groups of standby remote control opening and closing.
Furthermore, a connector for connecting the operation circuit board card 5 with the outside is provided with terminals with two rows and 32 cores in parallel; the 32-core terminal on the operation circuit board 5 gives specific output signals including hand-on, hand-off, remote-on, remote-off, to-switch-on coil, to-trip coil, protection trip inlet, permanent trip inlet, breaker trip position, breaker on position, off/hand-off signal, trip-on circuit monitoring, control circuit disconnection and accident total signal.
In one embodiment, the switching value output board 4 and the operation circuit board 5 are integrated, and the specific signal definition on the terminal is shown in fig. 6. The distance between adjacent terminals in the same row in the 32-core terminals on the switching value output board 4 and the operation circuit board 5 is 7.62mm, and the distance between adjacent terminals in different rows is 5.08 mm. Of course, the switching value output board 4 and the operation circuit board 5 are integrated together, so that the interval between adjacent terminals in the same row between the two boards is slightly larger and is 14.7 mm.
The embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the interfaces of the alternating current acquisition board card and the switching value related board cards (including the power supply/switching value input board card, the switching value output board card and the operation loop board card) are uniform in shape, and the terminal forms are fixed, so that the standardization of the terminal forms, definitions and external connection modes is realized, the universal interchange is convenient, the corresponding connectors are adopted for external connection, the direct plugging and unplugging can be realized, the operation is simple and rapid, the error is not easy to occur, and the problems of large terminal wiring difference, low working efficiency, easy error and the like can be further solved.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a standardized feeder protection device of external interface for on the cubical switchboard, its characterized in that, includes the box, the box is internal to integrate and to have:
a CPU data processing board card (1) for processing and calculating the feeder protection function data and outputting a tripping instruction;
a power supply/switching value input board card (2) for supplying power and acquiring signals required by the protection function;
an alternating current quantity acquisition board card (3) for acquiring the voltage and the current of the feeder line;
the switching value output board card (4) is used for converting the tripping instruction transmitted by the CPU data processing board card (1) into a switching value output board card for outputting a relay outlet;
an operation loop board card (5) for realizing operation control on the feeder circuit breaker;
the CPU data processing board card (1), the power supply/switching value input board card (2), the alternating current acquisition board card (3), the switching value output board card (4) and the operation loop board card (5) are communicated through buses, and the power supply/switching value input board card (2), the alternating current acquisition board card (3), the switching value output board card (4) and the operation loop board card (5) are respectively connected with the outside through corresponding connectors; each connector is correspondingly provided with terminals with specific core numbers, and each core terminal on the same connector is provided with an external connection port with the same structure and an input or output which is endowed with specific signals.
2. The external interface standardized feeder protection device of claim 1, wherein each connector comprises a protection housing (61) fixed on the box body, a socket female pin (62) forming a terminal external connection port, a socket female pin (63), a socket male pin (64) and a socket male pin (65) forming a terminal internal connection card port; wherein,
one end of the socket connector female pin (62) is embedded in the socket connector female pin (63) and is connected with the protective shell (61), and the other end of the socket connector female pin is connected with one end of the socket connector male pin (64);
the other end of the plug body male plug (64) is embedded with the plug body male pin (65) and connected with a corresponding board card through a bus.
3. The feeder protection device with standardized external interfaces as claimed in claim 2 is characterized in that connectors for connecting the power/switching value input board card (2) with the outside are provided with terminals with two rows and 32 cores in parallel; the power supply/switching value input board card (2) 32-core terminal endows specific input signals with a hand-closing synchronous opening-in function, a low-frequency load-shedding hard pressing plate function, a low-cycle load-shedding hard pressing plate function, a deactivation/locking reclosing function, a spring non-stored energy opening-in function, a remote operation protection hard pressing plate function, a remote operation measurement and control hard pressing plate function, a signal resetting function, a maintenance state hard pressing plate function and a 15-channel remote communication opening-in function.
4. The feeder protection device with the standardized external interface as claimed in claim 3 is characterized in that a connector of the alternating current acquisition board card (3) and the external connection is provided with terminals with 26 cores in two rows and side by side; the specific input signals given by the core terminals of the alternating current acquisition board (3) 26 comprise bus three-phase voltages Ua, Ub and Uc, line voltage Ux, protection three-phase currents Ia, Ib and Ic, zero-sequence current I0 and measurement three-phase currents Iam, Ibm and Icm.
5. The feeder protection device with standardized external interfaces as claimed in claim 4, wherein the connector of the switching value output board card (4) and the external connection is provided with terminals with two rows and 32 cores in parallel; the switching value output board card (4) 32-core terminal endows specific switching value output signals including protection tripping, reclosing, breaker opening and closing and three-group standby remote control opening and closing.
6. The feeder protection device with standardized external interfaces as claimed in claim 5, wherein the connector of the operation circuit board card (5) and the external connection is provided with terminals with two rows and 32 cores in parallel; the 32-core terminal of the operation circuit board card (5) endows specific output signals including hand-on, hand-off, remote-on, remote-off, to switch-on coil, to trip coil, protection trip inlet, permanent trip inlet, breaker trip position, post-on/hand-off signal, trip and switch-on circuit monitoring, control circuit disconnection and accident total signal.
7. Feeder protection device with standardized external interfaces according to claim 6, characterized in that the switching value output board (4) and the operating loop board (5) are integrated.
8. The external interface standardized feeder protection device as claimed in claim 7, wherein the distance between adjacent terminals in the same column in the core terminals of the ac acquisition board (3) 26 is 9mm, and the distance between adjacent terminals in different columns is 13.5 mm.
9. The external interface standardized feeder protection device of claim 8, wherein the power/switching value input board card (2), the switching value output board card (4) and the operation loop board card (5) are separated by 7.62mm between the adjacent terminals in the same column of 32-core terminals, and are separated by 5.08mm between the adjacent terminals in different columns.
10. An external interface standardized feeder protection device as claimed in claim 9 wherein the external profile of each connector is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222782.3A CN107834508B (en) | 2017-11-29 | 2017-11-29 | Feeder line protection device with standardized external interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222782.3A CN107834508B (en) | 2017-11-29 | 2017-11-29 | Feeder line protection device with standardized external interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107834508A true CN107834508A (en) | 2018-03-23 |
| CN107834508B CN107834508B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222782.3A Active CN107834508B (en) | 2017-11-29 | 2017-11-29 | Feeder line protection device with standardized external interface |
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| Country | Link |
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| CN (1) | CN107834508B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005243263A (en) * | 2004-02-24 | 2005-09-08 | Mitsubishi Electric Corp | Electric apparatus driving control panel and terminal board unit |
| CN201260069Y (en) * | 2008-09-27 | 2009-06-17 | 山西南自晋能自动化成套有限公司 | Digital line protective device |
| CN201466695U (en) * | 2009-08-21 | 2010-05-12 | 上海锐安自动化系统有限公司 | Multifunctional relay protection device |
| CN104466519A (en) * | 2014-12-31 | 2015-03-25 | 厦门唯恩电气有限公司 | Connector structure |
| CN205489811U (en) * | 2016-01-29 | 2016-08-17 | 山东鲁能智能技术有限公司 | Chip card formula station power distribution terminal based on CAN bus |
| US20170330714A1 (en) * | 2016-05-11 | 2017-11-16 | Cooper Technologies Company | Pyrotechnic circuit protection systems, modules, and methods |
-
2017
- 2017-11-29 CN CN201711222782.3A patent/CN107834508B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005243263A (en) * | 2004-02-24 | 2005-09-08 | Mitsubishi Electric Corp | Electric apparatus driving control panel and terminal board unit |
| CN201260069Y (en) * | 2008-09-27 | 2009-06-17 | 山西南自晋能自动化成套有限公司 | Digital line protective device |
| CN201466695U (en) * | 2009-08-21 | 2010-05-12 | 上海锐安自动化系统有限公司 | Multifunctional relay protection device |
| CN104466519A (en) * | 2014-12-31 | 2015-03-25 | 厦门唯恩电气有限公司 | Connector structure |
| CN205489811U (en) * | 2016-01-29 | 2016-08-17 | 山东鲁能智能技术有限公司 | Chip card formula station power distribution terminal based on CAN bus |
| US20170330714A1 (en) * | 2016-05-11 | 2017-11-16 | Cooper Technologies Company | Pyrotechnic circuit protection systems, modules, and methods |
Non-Patent Citations (1)
| Title |
|---|
| 徐科等: "基于IEC61850标准的新型数字保护平台研究与实现", 电力自动化设备, no. 02, pages 79 - 84 * |
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| CN107834508B (en) | 2023-07-25 |
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