CN109449871B - NiCS intelligent controller port protection device - Google Patents
NiCS intelligent controller port protection device Download PDFInfo
- Publication number
- CN109449871B CN109449871B CN201811590638.XA CN201811590638A CN109449871B CN 109449871 B CN109449871 B CN 109449871B CN 201811590638 A CN201811590638 A CN 201811590638A CN 109449871 B CN109449871 B CN 109449871B
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- pin
- wiring terminal
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- diode
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
Abstract
The invention discloses a port protection device of an NiCS intelligent controller, which comprises a first wiring terminal, a second wiring terminal and a protection circuit; the sixth pin of the first wiring terminal is connected with the second pin of the second wiring terminal through the first resistor and the first light-emitting diode in sequence; the sixth pin of the first wiring terminal is connected with the sixth pin of the second wiring terminal through a seventh diode and a second fuse in sequence; the cathode of the seventh diode is connected with the anode of the seventh diode through a third resistor and a third light-emitting diode; the cathode of the seventh diode is connected with a sixth pin of the second wiring terminal through a fifth resistor and a fifth light-emitting diode; the sixth pin of the first wiring terminal is grounded through a seventh resistor and a ninth light emitting diode; the first pin of the first wiring terminal is grounded; the first pin of the second wiring terminal is grounded. The patent provides overvoltage protection to pins 1, 2, 3, 6 of the net twine, and overcurrent protection to pins 4, 5, 7, 8 of the net twine.
Description
Technical Field
The invention belongs to the technical field of NiCS intelligent controllers, and particularly relates to a port protection device of a NiCS intelligent controller.
Background
In recent years, with the rapid development of society, the use of the NiCS intelligent controller is more and more widespread, and at present, the following faults often occur in the use process of the NiCS intelligent controller: 1. in the debugging process, the wrong wire sequence of the net wire is generated; 2. short circuit; when the above-mentioned fault occurs, the port or the NiCS intelligent controller is burned out as a result, so it is important to design and develop a port protection device for the NiCS intelligent controller which overcomes the above-mentioned defects.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a port protection device of an intelligent NiCS controller, which is connected in series between the intelligent NiCS controller and terminal equipment to provide overvoltage protection for pins 1, 2, 3 and 6 of a network cable and overcurrent protection for pins 4, 5, 7 and 8 of the network cable.
The specific technical scheme adopted by the invention is as follows:
a NiCS intelligent controller port protection device comprising:
the first wiring terminal is connected with the controller and is an RJ45-1 interface;
the second wiring terminal is connected with the terminal equipment and is an RJ45-1-4 interface;
a protection circuit; wherein:
the protection circuit comprises a first resistor, a third resistor, a fifth resistor, a seventh resistor, a ninth resistor, an eleventh resistor, a first fuse and a second fuse; the sixth pin of the first wiring terminal is connected with the second pin of the second wiring terminal through the first resistor and the first light-emitting diode in sequence; the sixth pin of the first wiring terminal is connected with the sixth pin of the second wiring terminal through a seventh diode and a second fuse in sequence; the cathode of the seventh diode is connected with the anode of the seventh diode through a third resistor and a third light-emitting diode in sequence; the cathode of the seventh diode is connected with a sixth pin of the second wiring terminal through a fifth resistor and a fifth light-emitting diode in sequence; the sixth pin of the first wiring terminal is grounded through a seventh resistor and a ninth light emitting diode in sequence; the first pin of the first wiring terminal is grounded; the first pin of the second wiring terminal is grounded; the fourth pin and the fifth pin of the first wiring terminal are connected with the seventh pin and the eighth pin of the second wiring terminal through an eleventh resistor and a thirteenth light-emitting diode in sequence; the fourth pin and the fifth pin of the first wiring terminal are connected with the fourth pin and the fifth pin of the second wiring terminal through a second fuse; the fourth pin and the fifth pin of the first wiring terminal are sequentially connected with the fourth pin and the fifth pin of the second wiring terminal through a ninth resistor and a tenth light emitting diode.
The invention has the advantages and positive effects that:
by adopting the technical scheme, the port protection device of the NiCS intelligent controller is connected in series between the NiCS intelligent controller and the terminal equipment, so that overvoltage protection of pins 1, 2, 3 and 6 of the network cable is provided, and overcurrent protection of pins 4, 5, 7 and 8 of the network cable is provided.
Drawings
FIG. 1 is a circuit block diagram of a preferred embodiment of the present invention;
fig. 2 is a circuit diagram of a preferred embodiment of the present invention.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
Please refer to fig. 1 and 2: a NiCS intelligent controller port protection device comprising:
the first wiring terminal is connected with the controller and is an RJ45-1 interface;
the second wiring terminal is connected with the terminal equipment and is an RJ45-1-4 interface;
a protection circuit; wherein:
the protection circuit comprises a first resistor, a third resistor, a fifth resistor, a seventh resistor, a ninth resistor, an eleventh resistor, a first fuse and a second fuse; the sixth pin of the first wiring terminal is connected with the second pin of the second wiring terminal through the first resistor and the first light-emitting diode in sequence; the sixth pin of the first wiring terminal is connected with the sixth pin of the second wiring terminal through a seventh diode and a second fuse in sequence; the cathode of the seventh diode is connected with the anode of the seventh diode through a third resistor and a third light-emitting diode in sequence; the cathode of the seventh diode is connected with a sixth pin of the second wiring terminal through a fifth resistor and a fifth light-emitting diode in sequence; the sixth pin of the first wiring terminal is grounded through a seventh resistor and a ninth light emitting diode in sequence; the first pin of the first wiring terminal is grounded; the first pin of the second wiring terminal is grounded; the fourth pin and the fifth pin of the first wiring terminal are connected with the seventh pin and the eighth pin of the second wiring terminal through an eleventh resistor and a thirteenth light-emitting diode in sequence; the fourth pin and the fifth pin of the first wiring terminal are connected with the fourth pin and the fifth pin of the second wiring terminal through a second fuse; the fourth pin and the fifth pin of the first wiring terminal are sequentially connected with the fourth pin and the fifth pin of the second wiring terminal through a ninth resistor and a tenth light emitting diode.
The first pin of the first wiring terminal and the first pin of the second wiring terminal are grounded;
the second pin of the first wiring terminal and the second pin of the second wiring terminal are digital signal terminals;
the third pin of the first wiring terminal and the third pin of the second wiring terminal are analog signal terminals;
the fourth pin and the fifth pin of the first wiring terminal, and the fourth pin and the fifth pin of the second wiring terminal are power supply positive terminals;
the seventh pin and the eighth pin of the first wiring terminal, and the seventh pin and the eighth pin of the second wiring terminal are power supply negative terminals;
the working principle of the preferred embodiment is as follows:
u1 is an input port, and U2 is an output port; the pin 1 of the U1 port is the pin 1 of the GND communicated U2 port. The signal of the pin 2 of the U1 is output to the pin 2 of the U2, and the pin D2 is bright when the signal passes through; the 3-pin analog signal of the U2 is directly communicated with the 3-pin connection U1; the pins 4 and 5 of the U1 pass through the FZ3 to the pins 4 and 5 of the U2, and the pin D5 is lightened when a signal passes through; the 6 pins of U1 are VCC, and the 6 pins of U2 are connected, and VCC is provided for D1, D2, D3, D4 and D5; the 7 and 8 pins of U1 are connected with the 7 and 8 pins of U2; wherein D6 is used for preventing U2 from reversely providing signals to U1, and D7 is used for protecting the 45 feet of U1 from external influences.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, but any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present invention are within the scope of the technical solutions of the present invention.
Claims (1)
1. A NiCS intelligent controller port protection device is characterized in that: at least comprises:
the first wiring terminal is connected with the controller and is an RJ45-1 interface;
the second wiring terminal is connected with the terminal equipment and is an RJ45-1-4 interface;
a protection circuit; wherein:
the protection circuit comprises a first resistor, a third resistor, a fifth resistor, a seventh resistor, a ninth resistor, an eleventh resistor, a first fuse and a second fuse; the sixth pin of the first wiring terminal is connected with the second pin of the second wiring terminal through the first resistor and the first light-emitting diode in sequence; the sixth pin of the first wiring terminal is connected with the sixth pin of the second wiring terminal through a seventh diode and a first fuse in sequence; the cathode of the seventh diode is connected with the anode of the seventh diode through a third resistor and a third light-emitting diode in sequence; the cathode of the seventh diode is connected with a sixth pin of the second wiring terminal through a fifth resistor and a fifth light-emitting diode in sequence; the sixth pin of the first wiring terminal is grounded through a seventh resistor and a ninth light emitting diode in sequence; the first pin of the first wiring terminal is grounded; the first pin of the second wiring terminal is grounded; the fourth pin and the fifth pin of the first wiring terminal are connected with the seventh pin and the eighth pin of the second wiring terminal through an eleventh resistor and a thirteenth diode in sequence; the fourth pin and the fifth pin of the first wiring terminal are connected with the fourth pin and the fifth pin of the second wiring terminal through a second fuse; the fourth pin and the fifth pin of the first wiring terminal are sequentially connected with the fourth pin and the fifth pin of the second wiring terminal through a ninth resistor and a tenth light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590638.XA CN109449871B (en) | 2018-12-25 | 2018-12-25 | NiCS intelligent controller port protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590638.XA CN109449871B (en) | 2018-12-25 | 2018-12-25 | NiCS intelligent controller port protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449871A CN109449871A (en) | 2019-03-08 |
| CN109449871B true CN109449871B (en) | 2023-07-18 |
Family
ID=65535482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811590638.XA Active CN109449871B (en) | 2018-12-25 | 2018-12-25 | NiCS intelligent controller port protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449871B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2830135A1 (en) * | 2001-09-25 | 2003-03-28 | Otis Elevator Co | Electronic protection for series communication line of an elevator, has opto-coupler receiving signal indicating short circuit between two supply wires |
| CN203734279U (en) * | 2014-02-12 | 2014-07-23 | 广西新未来信息产业股份有限公司 | Single-phase power source protector having surge indication function |
| CN203811734U (en) * | 2014-03-05 | 2014-09-03 | 欧阳庆丰 | Network tester |
| CN208255337U (en) * | 2018-05-14 | 2018-12-18 | 东莞市龙健电子有限公司 | A kind of computer main board protection component |
-
2018
- 2018-12-25 CN CN201811590638.XA patent/CN109449871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2830135A1 (en) * | 2001-09-25 | 2003-03-28 | Otis Elevator Co | Electronic protection for series communication line of an elevator, has opto-coupler receiving signal indicating short circuit between two supply wires |
| CN203734279U (en) * | 2014-02-12 | 2014-07-23 | 广西新未来信息产业股份有限公司 | Single-phase power source protector having surge indication function |
| CN203811734U (en) * | 2014-03-05 | 2014-09-03 | 欧阳庆丰 | Network tester |
| CN208255337U (en) * | 2018-05-14 | 2018-12-18 | 东莞市龙健电子有限公司 | A kind of computer main board protection component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109449871A (en) | 2019-03-08 |
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