CN106356828B - Home bus communication system and processing method for home bus communication system - Google Patents
Home bus communication system and processing method for home bus communication system Download PDFInfo
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- CN106356828B CN106356828B CN201610717372.5A CN201610717372A CN106356828B CN 106356828 B CN106356828 B CN 106356828B CN 201610717372 A CN201610717372 A CN 201610717372A CN 106356828 B CN106356828 B CN 106356828B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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Abstract
The invention discloses a kind of home bus communication system and for the processing method of home bus communication system.Wherein, it includes: power circuit which, which includes: power supply unit, and power circuit includes the first differential mode inductance；First communicating circuit is connect with power circuit and connection respectively；First Transient Suppression Diode is connect with the first communicating circuit；Power-supply circuit includes: load circuit, and load circuit includes the second differential mode inductance；Second communicating circuit is connect with load circuit and connection respectively；Second Transient Suppression Diode is connect with the second communicating circuit, wherein the first Transient Suppression Diode and the second Transient Suppression Diode are used to absorb the overshoot voltage in home bus communication system.The present invention solves the technical issues of overshoot voltage generated in family's bus communication system leads to signal erroneous judgement.
Description
Technical field
The present invention relates to communication fields, lead in particular to a kind of home bus communication system and for home bus
The processing method of news system.
Background technique
In the mechanics of communication of home bus Home bus, power unit and communications portion pass through differential mode inductance and nonpolarity electricity
Hold and realize isolation, to realize what power supply and communication signal collinearly transmitted.During transmission, because there are energy storage on route
Element differential mode inductance, driving signal can form ripple current component at inductance both ends, when driving signal is converted into non-driven signal
(high level is converted into low level), the ripple current on inductance will be discharged by bus widening impedance, will be in matching impedance
Upper formation " overshoot voltage ", when the overshoot voltage is more than that chip judges that the threshold range of 0,1 level will lead to signal erroneous judgement.
It is to increase the sensibility reciprocal of differential mode inductance by control to weaken overshoot electricity to realize in the prior art in order to avoid the erroneous judgement of signal
Pressure, but increasing sensibility reciprocal means to increase the volume of inductance, increases cost, while affecting the size of the mold of installation electric-controlled plate
Appearance.
Aiming at the problem that the above-mentioned overshoot voltage generated in family's bus communication system leads to signal erroneous judgement, at present still
It does not put forward effective solutions.
Summary of the invention
The embodiment of the invention provides a kind of home bus communication system and for the processing side of home bus communication system
Method, the technical issues of signal erroneous judgement is led to the overshoot voltage at least solving to generate in family's bus communication system.
According to an aspect of an embodiment of the present invention, a kind of home bus communication system is provided, which includes: power supply
Equipment includes: power circuit, and power circuit includes the first differential mode inductance；First communicating circuit respectively with power circuit and connection
Connection；First Transient Suppression Diode is connect with the first communicating circuit；Power-supply circuit includes: load circuit, and load circuit includes
Second differential mode inductance；Second communicating circuit is connect with load circuit and connection respectively；Second Transient Suppression Diode, with second
Communicating circuit connection, wherein the first Transient Suppression Diode and the second Transient Suppression Diode are for absorbing home bus communication
Overshoot voltage in system.
Further, power circuit includes: power supply；Control unit, the driving signal for output bus drive level；The
One differential mode inductance, first end connect to power supply, and second end is connect with control unit, and third end and connection are connected by First Line
It connects, the 4th end is connect with connection by the second line.
Further, the first communicating circuit includes: the first communication chip, and the first end of the first communication chip is connected to first
On line, the second end of the first communication chip is connected on the second line；The first end of first Transient Suppression Diode and the first communication
The first end of chip connects, and second end is connect with the second end of the first communication chip, third end ground connection.
Further, load circuit includes: the second differential mode inductance, and first end is connect by third line with connection, and second
End is connect by the 4th line with connection；Load, connect with the third end of the second differential mode inductance and the 4th end.
Further, the second communicating circuit includes: the second communication chip, and first end is connected on third line, and second end connects
It connects on the 4th line；Second Transient Suppression Diode, first end are connect with the first end of the second communication chip, second end and second
The second end of communication chip connects, third end ground connection.
Further, the overshoot in home bus communication system determined based on the first differential mode inductance and the second differential mode inductance
Voltage is higher than the breakdown voltage of the first Transient Suppression Diode and the second Transient Suppression Diode.
Further, the breakdown voltage of the first Transient Suppression Diode and the second Transient Suppression Diode is higher than the first communication
The voltage of bus communication signal in circuit and the second communicating circuit.
According to another aspect of an embodiment of the present invention, a kind of processing side for home bus communication system is additionally provided
Method, this method comprises: the sensibility reciprocal of differential mode inductance in home bus communication system is adjusted, to control in home bus communication system
Overshoot voltage is greater than the voltage of bus communication signal；It is inhaled using the Transient Suppression Diode being arranged in family's bus communication system
Receive overshoot voltage.
Further, the sensibility reciprocal for adjusting differential mode inductance in home bus communication system includes: to reduce home bus communication system
The sensibility reciprocal of differential mode inductance in system.
Further, the sensibility reciprocal for reducing differential mode inductance in home bus communication system includes: to reduce home bus communication system
Power supply unit and/or the sensibility reciprocal of the differential mode inductance in electric equipment is taken in system.
Further, the breakdown voltage of Transient Suppression Diode is higher than the voltage of bus communication signal and is less than overshoot electricity
Pressure.
In embodiments of the present invention, through the foregoing embodiment, the sensibility reciprocal of differential mode inductance in home bus communication system is adjusted,
It is logical in home bus using setting to control the voltage that the overshoot voltage in home bus communication system is greater than bus communication signal
Transient Suppression Diode in news system absorbs overshoot voltage.It can use Transient Suppression Diode absorption through the foregoing embodiment
Overshoot voltage in home bus communication system in matching impedance, to inhibit the overshoot voltage in home bus communication system, and
And increase Transient Suppression Diode in systems, and it is at low cost and small in size, it is poor in home bus communication system so as to realize
The miniaturization of mould inductance and entire electric-controlled plate solves the overshoot voltage generated in family's bus communication system in the prior art
The problem of leading to signal erroneous judgement, not will lead to the erroneous judgement of will signal then due to absorbing overshoot voltage.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the processing method according to an embodiment of the present invention for home bus communication system；
Fig. 2 is the schematic diagram of home bus communication system according to an embodiment of the present invention；
Fig. 3 is the schematic diagram of the drive level of home bus communication system according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of home bus communication system according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
According to embodiments of the present invention, a kind of method for providing processing method for home bus communication system is implemented
Example, it should be noted that step shown in the flowchart of the accompanying drawings can be in the calculating of such as a group of computer-executable instructions
It is executed in machine system, although also, logical order is shown in flow charts, and it in some cases, can be to be different from
Sequence herein executes shown or described step.
Fig. 1 is the flow chart of the processing method according to an embodiment of the present invention for home bus communication system, such as Fig. 1 institute
Show, this method comprises the following steps:
Step S102 adjusts the sensibility reciprocal of differential mode inductance in home bus communication system, to control home bus communication system
In overshoot voltage be greater than bus communication signal voltage；
Step S104 absorbs overshoot voltage using the Transient Suppression Diode being arranged in family's bus communication system.
Through the foregoing embodiment, the sensibility reciprocal of differential mode inductance in home bus communication system is adjusted, it is logical to control home bus
Overshoot voltage in news system is greater than the voltage of bus communication signal, is pressed down using the transient state being arranged in family's bus communication system
Diode absorption overshoot voltage processed.It can use Transient Suppression Diode through the foregoing embodiment and absorb home bus communication system
Overshoot voltage in middle matching impedance to inhibit the overshoot voltage in home bus communication system, and increases wink in systems
State inhibits diode, at low cost and small in size, so as to realize in home bus communication system differential mode inductance and entire automatically controlled
The miniaturization of plate, solving the overshoot voltage generated in family's bus communication system in the prior art leads to signal erroneous judgement
Problem not will lead to the erroneous judgement of will signal then due to absorbing overshoot voltage.
Specifically, the sensibility reciprocal for adjusting differential mode inductance in home bus communication system includes: to reduce home bus communication system
The sensibility reciprocal of middle differential mode inductance.
Further, the sensibility reciprocal for reducing differential mode inductance in home bus communication system includes: to reduce home bus communication system
Power supply unit and/or the sensibility reciprocal of the differential mode inductance in electric equipment is taken in system.
In the above-described embodiments, by the way of first going up and then down, by by power supply unit and the differential mode inductance for taking electric equipment
Sensibility reciprocal reduce with by bus overshoot voltage lifting be greater than bus communication signal and Transient Suppression Diode voltage, then use
Transient Suppression Diode TVS sponges the overshoot voltage, so that the overshoot voltage for inhibiting home bus Homebus to communicate, real
Existing Homebus differential mode inductance miniaturization.
According to the abovementioned embodiments of the present invention, the breakdown voltage of Transient Suppression Diode is higher than the electricity of bus communication signal
It presses and is less than overshoot voltage.In this embodiment, the breakdown voltage value of Transient Suppression Diode TVS is being greater than Homebus bus just
The amplitude of normal communication signal, and it is less than the amplitude of overshoot voltage, so as to fully absorb bus overshoot voltage, while not influencing
Just normal communication.
According to an aspect of an embodiment of the present invention, a kind of home bus communication system is provided, as shown in Fig. 2, this is
System includes: that power supply unit 21 includes: power circuit 211, and power circuit includes the first differential mode inductance；First communicating circuit 213 divides
It is not connect with power circuit and connection；First Transient Suppression Diode 215, connect with the first communicating circuit.Power-supply circuit 23
It include: load circuit 231, load circuit includes the second differential mode inductance；Second communicating circuit 233 respectively with load circuit and communication
Line connection；Second Transient Suppression Diode 235, connect with the second communicating circuit, wherein the first Transient Suppression Diode and second
Transient Suppression Diode is used to absorb the overshoot voltage in home bus communication system.
Through the foregoing embodiment, the sensibility reciprocal of differential mode inductance in home bus communication system is adjusted, it is logical to control home bus
Overshoot voltage in news system is greater than the voltage of bus communication signal, is pressed down using the transient state being arranged in family's bus communication system
Diode absorption overshoot voltage processed.It can use Transient Suppression Diode through the foregoing embodiment and absorb home bus communication system
Overshoot voltage in middle matching impedance to inhibit the overshoot voltage in home bus communication system, and increases wink in systems
State inhibits diode, at low cost and small in size, so as to realize in home bus communication system differential mode inductance and entire automatically controlled
The miniaturization of plate, solving the overshoot voltage generated in family's bus communication system in the prior art leads to signal erroneous judgement
Problem not will lead to the erroneous judgement of will signal then due to absorbing overshoot voltage.
As shown in figure 3, power circuit 211 can also include: power supply 301；Control unit 303 drives for output bus
The driving signal of level；First differential mode inductance 302, first end connects to power supply, and second end is connect with control unit, third end with
Connection is connected by First Line L1, and the 4th end is connect with connection by the second line L2.First differential mode inductance and connection it
Between be connected with common mode inductance.
According to the abovementioned embodiments of the present invention, the first communicating circuit 213 includes: the first communication chip 304, the first communication core
On the first line, the second end of the first communication chip is connected on the second line for the first end connection of piece；First transient state inhibits two poles
The first end of pipe 215 is connect with the first end of the first communication chip, and second end is connect with the second end of the first communication chip, third
End ground connection.
It should be noted that being also connected with the first micro process between the first communication chip and control unit in the embodiment
Device 304.
According to the abovementioned embodiments of the present invention, load circuit 231 includes: the second differential mode inductance 305, and first end passes through third
Line L3 is connect with connection 309, and second end is connect by the 4th line L4 with connection；Load 306, the with the second differential mode inductance
Three ends are connected with the 4th end.
Further, the second communicating circuit 233 includes: the second communication chip 308, and first end is connected on third line, the
Two ends are connected on the 4th line；Second Transient Suppression Diode 235, first end are connect with the first end of the second communication chip, the
Two ends are connect with the second end of the second communication chip, third end ground connection.It should be noted that in the embodiment, the second communication core
Piece is also connected with the second microprocessor 307.
Further, the overshoot in home bus communication system determined based on the first differential mode inductance and the second differential mode inductance
Voltage is higher than the breakdown voltage of the first Transient Suppression Diode and the second Transient Suppression Diode.
Further, the breakdown voltage of the first Transient Suppression Diode and the second Transient Suppression Diode is higher than the first communication
The voltage of bus communication signal in circuit and the second communicating circuit.
The embodiment of the present invention is described in detail below with reference to the calculation formula of inductive current formula and ripple current:
Inductive current formula:In the formula, i is electric current, and L is inductance, and u is drive level, and t is driving
The formula is applied in home bus communication system by the time, and the electric current summation of the ripple current formed on differential mode inductance is most
Big value iL.max are as follows:Wherein, Ln is differential mode inductance value in power supply unit, and Lx is that electricity is taken to set
Standby middle differential mode inductance value, because differential mode inductance is twin coil, total inductance value should be monocoil 4 times；Δ u is bus driver electricity
Pressure, Δ t are driving time (1 time), and m1 is power supply unit number, and m2 is to take electric equipment number.
In the above-described embodiments, digital input signals are sent and receive digital received signals as shown in figure 4, bus voltage wave
Shape as shown in figure 4, the bus voltage centered on 0V, using amplitude Vr as amplitude fluctuations.In the example depicted in fig. 4, due to electricity
Very little is flowed, coil is had ignored and communicates the influence of line resistance.
As shown in Figure 3 and Figure 4, when drive level is converted into non-driven level (high level changes into low level), core is communicated
Piece output end is high-impedance state, and inductance ripple current is discharged by matching impedance Rt, and the voltage in matching impedance is most at this time
Big overshoot voltage Δ Vmax=iL.max*Rt.In order to reduce or even eliminate overshoot voltage, increase can be passed through by reducing overshoot voltage
Power and take the sensibility reciprocal of the differential mode inductance in electric equipment to realize, but the increase of inductance just will increase the volume of inductance, increase
Addition sheet.In above-described embodiment of the application, the characteristic of Transient Suppression Diode TVS is to will be greater than the moment of its breakdown voltage
Pulse sponges, therefore the overshoot voltage can be absorbed using Transient Suppression Diode TVS, since the amplitude of overshoot voltage can
Can be less than normal signal voltage magnitude, in order to avoid TVS while absorbing overshoot voltage also by normal communication signal
It sponges, which can be promoted to the voltage greater than normal communication signal, the electric current according to above-mentioned ripple current is total
The sensibility reciprocal of bus differential mode inductance is reduced with the formula of maximum value iL.max, then absorbs overshoot voltage without influencing using TVS
Normal communication waveform.
The type selecting of the TVS is also most important, and the breakdown voltage value of TVS has to be larger than Homebus bus normal communication signal
Amplitude, and be less than overshoot voltage amplitude, thus realize inhibit bus overshoot voltage
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of home bus communication system characterized by comprising
Power supply unit includes: power circuit, and the power circuit includes the first differential mode inductance；First communicating circuit respectively with it is described
Power circuit is connected with connection；First Transient Suppression Diode is connect with first communicating circuit；
Power-supply circuit includes: load circuit, and the load circuit includes the second differential mode inductance；Second communicating circuit respectively with it is described
Load circuit is connected with the connection；Second Transient Suppression Diode is connect with second communicating circuit,
Wherein, first Transient Suppression Diode and second Transient Suppression Diode are logical for absorbing the home bus
Overshoot voltage in news system；
The power circuit includes: power supply；Control unit, the driving signal for output bus drive level；Described first is poor
Mould inductance, first end are connect with the power supply, and second end is connect with described control unit, and third end and the connection pass through the
The connection of one line, the 4th end is connect with the connection by the second line；
First communicating circuit includes: the first communication chip, and the first end of first communication chip is connected to described first
On line, the second end of first communication chip is connected on second line；The first of first Transient Suppression Diode
End is connect with the first end of first communication chip, and second end is connect with the second end of first communication chip, third end
Ground connection；
The overshoot in the home bus communication system determined based on first differential mode inductance and second differential mode inductance
Voltage is higher than the breakdown voltage of first Transient Suppression Diode and second Transient Suppression Diode；First transient state
Inhibit the breakdown voltage of diode and second Transient Suppression Diode to be higher than first communicating circuit and described second to lead to
Interrogate the voltage of bus communication signal in circuit.
2. system according to claim 1, which is characterized in that the load circuit includes:
Second differential mode inductance, first end are connect by third line with the connection, second end pass through the 4th line with it is described
Connection connection；
Load, connect with the third end of second differential mode inductance and the 4th end.
3. system according to claim 2, which is characterized in that
Second communicating circuit includes: the second communication chip, and first end is connected on the third line, and second end is connected to institute
It states on the 4th line；
Second Transient Suppression Diode, first end are connect with the first end of second communication chip, second end with it is described
The second end of second communication chip connects, third end ground connection.
4. a kind of processing method for home bus communication system characterized by comprising
The sensibility reciprocal of differential mode inductance in home bus communication system is adjusted, to control the electricity of the overshoot in the home bus communication system
Pressure is greater than the voltage of bus communication signal；
The overshoot voltage is absorbed using the Transient Suppression Diode being arranged in the home bus communication system；
Wherein, the home bus communication system includes:
Power supply unit includes: power circuit, and the power circuit includes the first differential mode inductance；First communicating circuit respectively with it is described
Power circuit is connected with connection；First Transient Suppression Diode is connect with first communicating circuit；
The power circuit includes: power supply；Control unit, the driving signal for output bus drive level；Described first is poor
Mould inductance, first end are connect with the power supply, and second end is connect with described control unit, and third end and the connection pass through the
The connection of one line, the 4th end is connect with the connection by the second line；
First communicating circuit includes: the first communication chip, and the first end of first communication chip is connected to described first
On line, the second end of first communication chip is connected on second line；The first of first Transient Suppression Diode
End is connect with the first end of first communication chip, and second end is connect with the second end of first communication chip, third end
Ground connection；
The breakdown voltage of the Transient Suppression Diode is higher than the voltage of the bus communication signal and is less than the overshoot electricity
Pressure.
5. processing method according to claim 4, which is characterized in that differential mode inductance in adjustment home bus communication system
Sensibility reciprocal includes: the sensibility reciprocal for reducing differential mode inductance in the home bus communication system.
6. processing method according to claim 5, which is characterized in that reduce differential mode electricity in the home bus communication system
The sensibility reciprocal of sense includes: the sense for reducing power supply unit in the home bus communication system and/or taking the differential mode inductance in electric equipment
Amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717372.5A CN106356828B (en) | 2016-08-24 | 2016-08-24 | Home bus communication system and processing method for home bus communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717372.5A CN106356828B (en) | 2016-08-24 | 2016-08-24 | Home bus communication system and processing method for home bus communication system |
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| Publication Number | Publication Date |
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| CN106356828A CN106356828A (en) | 2017-01-25 |
| CN106356828B true CN106356828B (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610717372.5A Active CN106356828B (en) | 2016-08-24 | 2016-08-24 | Home bus communication system and processing method for home bus communication system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360403B (en) * | 2018-10-31 | 2024-02-06 | 厦门拓宝科技有限公司 | Caravan water level sensor communication circuit based on single wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6157529A (en) * | 1984-10-24 | 2000-12-05 | Ahuja; Om | Basic surge protector |
| CN201754507U (en) * | 2010-08-06 | 2011-03-02 | 深圳市显控自动化技术有限公司 | Anti-interference high-voltage-resistant communication protective circuit |
| CN202475455U (en) * | 2012-03-02 | 2012-10-03 | 成都飞鱼星科技开发有限公司 | Ethernet interface protection circuit |
| CN204030579U (en) * | 2014-07-25 | 2014-12-17 | 北京航天自动控制研究所 | A kind of interface of protecting aircraft communication |
| CN105470936A (en) * | 2014-08-15 | 2016-04-06 | 中国电信股份有限公司 | Network transformer lightning protection circuit for suppressing common mode surge |
-
2016
- 2016-08-24 CN CN201610717372.5A patent/CN106356828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6157529A (en) * | 1984-10-24 | 2000-12-05 | Ahuja; Om | Basic surge protector |
| CN201754507U (en) * | 2010-08-06 | 2011-03-02 | 深圳市显控自动化技术有限公司 | Anti-interference high-voltage-resistant communication protective circuit |
| CN202475455U (en) * | 2012-03-02 | 2012-10-03 | 成都飞鱼星科技开发有限公司 | Ethernet interface protection circuit |
| CN204030579U (en) * | 2014-07-25 | 2014-12-17 | 北京航天自动控制研究所 | A kind of interface of protecting aircraft communication |
| CN105470936A (en) * | 2014-08-15 | 2016-04-06 | 中国电信股份有限公司 | Network transformer lightning protection circuit for suppressing common mode surge |
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| Publication number | Publication date |
|---|---|
| CN106356828A (en) | 2017-01-25 |
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