CN204392767U - Magnetic isolation telecommunication circuit device under complex electromagnetic environment - Google Patents
Magnetic isolation telecommunication circuit device under complex electromagnetic environment Download PDFInfo
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- CN204392767U CN204392767U CN201420860853.8U CN201420860853U CN204392767U CN 204392767 U CN204392767 U CN 204392767U CN 201420860853 U CN201420860853 U CN 201420860853U CN 204392767 U CN204392767 U CN 204392767U
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Abstract
The utility model discloses the Magnetic isolation telecommunication circuit device under complex electromagnetic environment, in telecommunication circuit, signal handling equipment is connected by communication chip with remote equipment, the communication line of Nature Link is set up two groups of Magnetic isolation modules, two groups of Magnetic isolation modules are connected with signal handling equipment and communication chip respectively, two groups of Magnetic isolation modules are respectively two groups of transmitting-receiving lines, and two groups of Magnetic isolation modules access different power-supply systems respectively, ensure the physical isolation of signal processing unit and communication unit.The utility model has the advantages that: the Magnetic isolation system being core devices with Magnetic isolation module, under the electromagnetic environment of the complexity of generator periphery, telecommunication circuit high speed, stable operation can be ensured.Relative to the method for Traditional photovoltaic isolation, possessing that low-power consumption is low, volume is little, speed is high and the feature of high reliability, is a kind of communication isolation circuit of current most comprehensive advantage.
Description
Technical field
The utility model relates to a kind of Magnetic isolation telecommunication circuit device, is specifically related to the New Magnetic Field Controlled isolated communication circuit arrangement under a kind of complex electromagnetic environment.
Background technology
Owing to being electromagnetic conversion equipment, there is complicated magnetic field environment in the surrounding of generating in generator, when particularly repeating assorted run with load when it operates, this electromagnetic environment seems even more serious.In such a case, common telecommunication circuit is usually because electromagnetic interference causes the phenomenon such as communication disruption, high bit-error, for suppressing this phenomenon, must isolate communication transmission signal, ensureing that the superposition interference on communication line can not affect the coding&decoding of transceiving device.For this isolation mode, use photoelectric isolation method under normal circumstances, but due to the photoelectric isolating devices such as optocoupler power consumption and adapt to frequency lower, the high-speed communication of upper frequency cannot be adapted to.Using Magnetic isolation device to substitute light isolation device in this patent, the Magnetic isolation device of more low-power consumption, more small size, more speed and higher reliability is introduced telecommunication circuit, substituting on the basis of original buffer circuit completely, embodying more excellent performance and stability.
Summary of the invention
The purpose of this utility model is to provide the Magnetic isolation telecommunication circuit device under a kind of complex electromagnetic environment, the Magnetic isolation system being core devices with Magnetic isolation module, relative to the method for Traditional photovoltaic isolation, possessing that low-power consumption is low, volume is little, speed is high and the feature of high reliability, is a kind of communication isolation circuit of current most comprehensive advantage.
The technical solution adopted in the utility model is: the Magnetic isolation telecommunication circuit device under a kind of complex electromagnetic environment, primarily of signal handling equipment, remote equipment, communication chip and two groups of Magnetic isolation modules, it is characterized in that: in telecommunication circuit, signal handling equipment is connected by communication chip with remote equipment, the communication line of Nature Link is set up two groups of Magnetic isolation modules, two groups of Magnetic isolation modules are connected with signal handling equipment and communication chip respectively, two groups of Magnetic isolation modules are respectively two groups of transmitting-receiving lines, two groups of Magnetic isolation modules access different power-supply systems respectively, ensure the physical isolation of signal processing unit and communication unit.
Power-supply system described in the utility model comprises inner many power supplys and communication power supply.
Described in the utility model with two groups of Magnetic isolation modules for boundary, telecommunication circuit is divided into internal circuit and the external circuit of isolation, and uses internal electric source and external power source respectively.
The utility model has the advantages that: the Magnetic isolation system being core devices with Magnetic isolation module, under the electromagnetic environment of the complexity of generator periphery, telecommunication circuit high speed, stable operation can be ensured.Relative to the method for Traditional photovoltaic isolation, possessing that low-power consumption is low, volume is little, speed is high and the feature of high reliability, is a kind of communication isolation circuit of current most comprehensive advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In the drawings, 1 is signal handling equipment, and 2 is remote equipment, and 3 is communication chip, and 4 is Magnetic isolation modules A, and 5 is Magnetic isolation module B, and 6 is order wire group A, and 7 is order wire group B, and 8 is internal circuit, and 9 is external circuit, 10, internal electric source, and 11 is communication power supply.
Embodiment
As Fig. 1, the utility model is achieved like this, Magnetic isolation telecommunication circuit device under a kind of complex electromagnetic environment, primarily of signal handling equipment 1, remote equipment 2, communication chip 3 and two groups of Magnetic isolation modules, it is characterized in that: in telecommunication circuit, signal handling equipment 1 is connected by communication chip 3 with remote equipment 2, the communication line of Nature Link is set up two groups of Magnetic isolation modules, two groups of Magnetic isolation modules are connected with signal handling equipment 1 and communication chip 3 respectively, two groups of Magnetic isolation modules are respectively two groups of transmitting-receiving lines, can bonding group four line or two groups of dual-wire communications modes communicate, Magnetic isolation modules A (4) and Magnetic isolation module B (5) access different power-supply systems respectively, ensure the physical isolation of signal processing unit and communication unit.
Its concrete method of attachment of the utility model is: two group communication line group A (6) of signal handling equipment 1 and order wire group B (7) are connected respectively to 2 of Magnetic isolation modules A and Magnetic isolation module B, No. 3 pin, pass through electromagnetic coupled, pass the signal along to 6, No. 7 pin of Magnetic isolation modules A and Magnetic isolation module B.Signal after isolation is delivered to the 11-14 pin of communication chip 3 again by external communication line group, output to remote equipment 2, complete communication isolating after level conversion from 7-10 pin.
Described power-supply system comprises inner many power supplys 10 and communication power supply 11; Wherein with Magnetic isolation modules A and Magnetic isolation module B for boundary, telecommunication circuit is divided into internal circuit 8 and the external circuit 9 of isolation, and uses internal electric source and external power source respectively.
By Magnetic isolation module, signal of communication is when being not more than 150M frequency, with under the pattern of electromagnetism transform at signal handling equipment 1 and remote equipment 2 both sides swap data, even if communication chip 3 is subject to electromagnetic interference, also data encasement can be passed to signal handling equipment 1.Meanwhile, because electromagnetic isolation is physical isolation, even if the fortuitous event such as high pressure, short circuit occurs communication chip 3, also can not be delivered to signal handling equipment, prevent internal core circuit damaged.
Claims (3)
1. the Magnetic isolation telecommunication circuit device under a complex electromagnetic environment, primarily of signal handling equipment, remote equipment, communication chip and two groups of Magnetic isolation module compositions, it is characterized in that: in telecommunication circuit, signal handling equipment is connected by communication chip with remote equipment, the communication line of Nature Link is set up two groups of Magnetic isolation modules, two groups of Magnetic isolation modules are connected with signal handling equipment and communication chip respectively, two groups of Magnetic isolation modules are respectively two groups of transmitting-receiving lines, two groups of Magnetic isolation modules access different power-supply systems respectively, ensure the physical isolation of signal processing unit and communication unit.
2. the Magnetic isolation telecommunication circuit device under a kind of complex electromagnetic environment according to claim 1, is characterized in that: described power-supply system comprises inner many power supplys and communication power supply.
3. the Magnetic isolation telecommunication circuit device under a kind of complex electromagnetic environment according to claim 1, is characterized in that: with two groups of Magnetic isolation modules for boundary, telecommunication circuit is divided into internal circuit and the external circuit of isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860853.8U CN204392767U (en) | 2014-12-31 | 2014-12-31 | Magnetic isolation telecommunication circuit device under complex electromagnetic environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860853.8U CN204392767U (en) | 2014-12-31 | 2014-12-31 | Magnetic isolation telecommunication circuit device under complex electromagnetic environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204392767U true CN204392767U (en) | 2015-06-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420860853.8U Active CN204392767U (en) | 2014-12-31 | 2014-12-31 | Magnetic isolation telecommunication circuit device under complex electromagnetic environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204392767U (en) |
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2014
- 2014-12-31 CN CN201420860853.8U patent/CN204392767U/en active Active
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