CN204316627U - Anti-lightning strike signal divider circuit - Google Patents
Anti-lightning strike signal divider circuit Download PDFInfo
- Publication number
- CN204316627U CN204316627U CN201520052901.5U CN201520052901U CN204316627U CN 204316627 U CN204316627 U CN 204316627U CN 201520052901 U CN201520052901 U CN 201520052901U CN 204316627 U CN204316627 U CN 204316627U
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- Prior art keywords
- electric capacity
- resistance
- diode
- lightning strike
- divider circuit
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Abstract
The utility model discloses a kind of anti-lightning strike signal divider circuit, comprise output, input and power end, this circuit is made up of the first electric capacity, the second electric capacity, the 3rd electric capacity, the first resistance, the second resistance, the first diode, the second diode and inductance, described first electric capacity one end connects output, the other end connects first resistance one end, described first resistance other end ground connection; Described second resistance one end connects input, and the other end connects one end of described second electric capacity one end and described 3rd electric capacity, and described inductance two ends connect one end of power end and the 3rd electric capacity respectively; Described first diode cathode is connected input jointly with the second diode cathode, and described second diode cathode connects the described second resistance other end.The utility model can consume the induced electricity that thunderbolt produces, and induced electricity is reduced the impact that circuit causes.
Description
Technical field
The utility model relates to wired television signal system technical field, particularly a kind of anti-lightning strike signal divider circuit.
Background technology
The signal distribution circuit of prior art directly connects inductance, and therefore, this allotter circuit lacks lightning-protection electric hand section, and when causing running into thunder and lightning weather, TV signal will be interfered.
Utility model content
(1) technical problem that will solve
The purpose of this utility model will overcome above-mentioned shortcoming exactly, aims to provide a kind of anti-lightning strike signal divider circuit.
(2) technical scheme
For achieving the above object, anti-lightning strike signal divider circuit of the present utility model, comprise output, input and power end, this circuit is made up of the first electric capacity, the second electric capacity, the 3rd electric capacity, the first resistance, the second resistance, the first diode, the second diode and inductance, described first electric capacity one end connects output, the other end connects first resistance one end, described first resistance other end ground connection; Described second resistance one end connects input, and the other end connects one end of described second electric capacity one end and described 3rd electric capacity, and described inductance two ends connect one end of power end and the 3rd electric capacity respectively; Described first diode cathode is connected input jointly with the second diode cathode, and described second diode cathode connects the described second resistance other end.
Further, the plus earth of described first diode.
Further, the other end ground connection of described second electric capacity.
Further, the other end ground connection of described 3rd electric capacity.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has the following advantages: the utility model can consume the induced electricity that thunderbolt produces, and induced electricity is reduced the impact that circuit causes.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of anti-lightning strike signal divider circuit of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, anti-lightning strike signal divider circuit of the present utility model, comprise output, input and power end, this circuit is made up of the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first resistance R1, the second resistance R2, the first diode D1, the second diode D2 and inductance L 1, described first electric capacity C1 one end connects output, the other end connects first resistance R1 one end, described first resistance R1 other end ground connection; Described second resistance R2 one end connects input, and the other end connects one end of described second electric capacity C2 one end and described 3rd electric capacity C3, and described inductance L 1 two ends connect one end of power end and the 3rd electric capacity C3 respectively; Described first diode D1 negative pole is connected input jointly with the second diode D2 positive pole, and described second diode D2 negative pole connects the described second resistance R2 other end.
First diode D1 is preferably Transient Suppression Diode.
In order to increase filter effect, the plus earth of described first diode D1; Meanwhile, the other end ground connection of described second electric capacity C2; Meanwhile, the other end ground connection of described 3rd electric capacity C3.Ground connection referring in this circuit connects the earth potential that voltage is 0.
When circuit of the present utility model runs into lightning induction electricity, high electrical breakdown first diode D1 is directly discharged to 0 current potential; Low-frequency voltage is consumed by the loop of the second diode D2 and the second resistance R2, and induced electricity is reduced the impact that circuit causes.
In sum, above-mentioned execution mode is not restricted execution mode of the present utility model, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present utility model or equivalent deformation, all at technology category of the present utility model.
Claims (5)
1. an anti-lightning strike signal divider circuit, comprise output, input and power end, it is characterized in that: this circuit is made up of the first electric capacity, the second electric capacity, the 3rd electric capacity, the first resistance, the second resistance, the first diode, the second diode and inductance, described first electric capacity one end connects output, the other end connects first resistance one end, described first resistance other end ground connection; Described second resistance one end connects input, and the other end connects one end of described second electric capacity one end and described 3rd electric capacity, and described inductance two ends connect one end of power end and the 3rd electric capacity respectively; Described first diode cathode is connected input jointly with the second diode cathode, and described second diode cathode connects the described second resistance other end.
2. signal divider circuit anti-lightning strike as claimed in claim 1, is characterized in that: the plus earth of described first diode.
3. signal divider circuit anti-lightning strike as claimed in claim 2, is characterized in that: the other end ground connection of described second electric capacity.
4. signal divider circuit anti-lightning strike as claimed in claim 3, is characterized in that: the other end ground connection of described 3rd electric capacity.
5. signal divider circuit anti-lightning strike as claimed in claim 4, is characterized in that: described first diode is Transient Suppression Diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520052901.5U CN204316627U (en) | 2015-01-26 | 2015-01-26 | Anti-lightning strike signal divider circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520052901.5U CN204316627U (en) | 2015-01-26 | 2015-01-26 | Anti-lightning strike signal divider circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316627U true CN204316627U (en) | 2015-05-06 |
Family
ID=53138921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520052901.5U Expired - Fee Related CN204316627U (en) | 2015-01-26 | 2015-01-26 | Anti-lightning strike signal divider circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231541A (en) * | 2017-05-04 | 2017-10-03 | 安徽庆睿实业有限责任公司 | Video conference device |
-
2015
- 2015-01-26 CN CN201520052901.5U patent/CN204316627U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231541A (en) * | 2017-05-04 | 2017-10-03 | 安徽庆睿实业有限责任公司 | Video conference device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20210126 |