CN207320827U - A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies - Google Patents
A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies Download PDFInfo
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- CN207320827U CN207320827U CN201721195216.3U CN201721195216U CN207320827U CN 207320827 U CN207320827 U CN 207320827U CN 201721195216 U CN201721195216 U CN 201721195216U CN 207320827 U CN207320827 U CN 207320827U
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- transient suppression
- suppression diode
- lightning protection
- ground wire
- circuit
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Abstract
The utility model discloses a kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies, including RS485 binding posts, there is 1 interface on RS485 binding posts, 2 interfaces and 3 interfaces, 1 interface is connected with 485 a-signal lines, 2 interfaces are connected with 485 B signal lines, 3 interfaces are connected with ground wire, filter capacitor CT1 and Transient Suppression Diode RT1 are connected with 485 a-signal lines, filter capacitor CT2 and Transient Suppression Diode RT2 are connected with 485 B signal lines, filter capacitor CT3 and Transient Suppression Diode RT3 are connected with ground wire, and ground wire is connected by Transient Suppression Diode D5 with 485 a-signal lines, ground wire is connected by Transient Suppression Diode D6 with 485 B signal lines.The characteristics of the utility model is obvious with lightning protection circuit lightning protection effect, and circuit structure is simple, service life length, strong antijamming capability.
Description
Technical field
It the utility model is related to a kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies.
Background technology
Existing single-lamp controller has poor anti jamming capability problem, and in the enterprising row data communication of low-voltage power line, it is dry
The special nature disturbed is to need one of major issue for studying, can be divided into non-artificial interference and artificial for the interference on power line
Interference.Non-artificial interference is often referred to interference, the caused interference on power line such as thunder and lightning caused by natural phenomena.Existing wisdom
Single-lamp controller is all no lightning protection measures, easily burns controller, and it is unfavorable that when use brings.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of wisdom circuit light modulation control with RS485 technologies
Device lightning protection circuit processed, lightning protection effect is obvious, and circuit structure is simple, service life length, strong antijamming capability.
A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies of the utility model, including RS485 connect
Terminal, has 1 interface, 2 interfaces and 3 interfaces on the RS485 binding posts, and 1 interface is connected with 485-A signal wires, and described 2
Interface is connected with 485-B signal wires, and 3 interface is connected with ground wire, filter capacitor is connected with the 485-A signal wires
CT1 and Transient Suppression Diode RT1, is connected with filter capacitor CT2 and Transient Suppression Diode RT2 on the 485-B signal wires,
Filter capacitor CT3 and Transient Suppression Diode RT3 are connected with the ground wire, and the ground wire suppresses two poles by transient state
Pipe D5 is connected with the 485-A signal wires, and the ground wire passes through Transient Suppression Diode D6 and the 485-B signal wires phase
Even；The Transient Suppression Diode RT1, Transient Suppression Diode RT2 and Transient Suppression Diode RT3 connect geodesic respectively.
In the application, filter capacitor CT1, CT2, CT3 are specially three foot capacitance 0.01uF/100V of EMI noise filters, are used
, to reduce AC ripple ripple coefficient, lift efficient smooth direct current in installed in rectification circuit both ends and export.
Transient Suppression Diode D5, D6 are Transient Suppression Diode SMBJ6.5CA, Transient Suppression Diode RT1, RT2,
RT3 is Transient Suppression Diode SMBJ18CA.Transient Suppression Diode is the high-effect protection device of diode.When
When the two poles of the earth of TVS diode are subject to reverse transient state high energy impact events, it can with the speed of 10 minus 12 power second-time, by its two
The high impedance of interpolar is changed into Low ESR, absorbs up to thousands of watts of surge power, makes the voltage clamp of two interpolars predetermined in one
Value, effectively protects the precision components in electronic circuit, from the damage of various surge pulses, has that the response time is fast, wink
State power is big, leakage current is low, breakdown voltage deviation, clamp voltage are relatively easy to control, without damage limit, it is small the advantages that.
The operation principle of the application：It is exterior to pass through if lightning surge disturbs on J3 to signal wire 485-A and 485-B,
It is discharged into greatly by the buffering of EMI noise filter triangle capacitances CT1, CT2, then by Transient Suppression Diode RT1, RT2
On ground wire, so that protect 485-A and 485-B not to be burned out, and the interference for inhibiting external environment to bring.
The places such as the street lamp street lamp of the utility model on road, Tunnel Lamp, campus.
A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies of the utility model is with lightning protection effect
Substantially, the characteristics of and circuit structure is simple, service life length, strong antijamming capability.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies of the present embodiment
Figure.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies of the present embodiment, bag
Including has 1 interface, 2 interfaces and 3 interfaces on RS485 binding posts J3, RS485 binding post J3,1 interface is connected with 485-A signal wires,
2 interfaces are connected with 485-B signal wires, and 3 interfaces are connected with ground wire, filter capacitor CT1 and transient state are connected with 485-A signal wires
Suppress to be connected with filter capacitor CT2 and Transient Suppression Diode RT2 on diode RT1,485-B signal wire, connected on ground wire
There are filter capacitor CT3 and Transient Suppression Diode RT3, and ground wire passes through Transient Suppression Diode D5 and 485-A signal wire phases
Even, ground wire is connected by Transient Suppression Diode D6 with 485-B signal wires；Transient Suppression Diode RT1, transient state suppress two poles
Pipe RT2 and Transient Suppression Diode RT3 connect geodesic respectively.
Above-mentioned filter capacitor CT1, CT2, CT3 are three foot capacitance 0.01uF/100V of EMI noise filters.
Above-mentioned Transient Suppression Diode D5, D6 are Transient Suppression Diode SMBJ6.5CA.
Above-mentioned Transient Suppression Diode RT1, RT2, RT3 are Transient Suppression Diode SMBJ18CA.
A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies of the present embodiment is bright with lightning protection effect
The characteristics of aobvious, and circuit structure is simple, and service life is grown, strong antijamming capability.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
It should be noted that listed above is only a kind of specific embodiment of the utility model.Obviously, the utility model
Above example is not limited to, there can also be many deformations, in short, those of ordinary skill in the art can disclose from the utility model
Content directly export or associate its have deformation, be considered as the scope of protection of the utility model.
Claims (1)
- A kind of 1. wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies, it is characterised in that：Including RS485 wiring Column, has 1 interface, 2 interfaces and 3 interfaces on the RS485 binding posts, 1 interface is connected with 485-A signal wires, and described 2 connect Mouth is connected with 485-B signal wires, and 3 interface is connected with ground wire, filter capacitor CT1 is connected with the 485-A signal wires With Transient Suppression Diode RT1, filter capacitor CT2 and Transient Suppression Diode RT2, institute are connected with the 485-B signal wires State and filter capacitor CT3 and Transient Suppression Diode RT3 are connected with ground wire, and the ground wire passes through Transient Suppression Diode D5 is connected with the 485-A signal wires, and the ground wire is connected by Transient Suppression Diode D6 with the 485-B signal wires； The Transient Suppression Diode RT1, Transient Suppression Diode RT2 and Transient Suppression Diode RT3 connect geodesic respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195216.3U CN207320827U (en) | 2017-09-18 | 2017-09-18 | A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195216.3U CN207320827U (en) | 2017-09-18 | 2017-09-18 | A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207320827U true CN207320827U (en) | 2018-05-04 |
Family
ID=62383042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721195216.3U Active CN207320827U (en) | 2017-09-18 | 2017-09-18 | A kind of wisdom circuit light adjusting controller lightning protection circuit with RS485 technologies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207320827U (en) |
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2017
- 2017-09-18 CN CN201721195216.3U patent/CN207320827U/en active Active
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