CN207184046U - A kind of color selector lightning protection filter circuit - Google Patents
A kind of color selector lightning protection filter circuit Download PDFInfo
- Publication number
- CN207184046U CN207184046U CN201720630222.0U CN201720630222U CN207184046U CN 207184046 U CN207184046 U CN 207184046U CN 201720630222 U CN201720630222 U CN 201720630222U CN 207184046 U CN207184046 U CN 207184046U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- transformer
- piezo
- resistance
- discharge tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of color selector lightning protection filter circuit, including the lightning protection circuit being sequentially connected, the lightning protection circuit includes first gas discharge tube, second gas discharge tube, the first fuse, the second fuse, the first electric capacity, the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance.In the utility model; gas-discharge tube and piezo-resistance composition one-level lightning surge protection circuit, when there is 4KV lightning surge, piezo-resistance and gas-discharge tube common divided voltage; the circuit of high-energy is discharged with piezo-resistance and the characteristic of gas-discharge tube, protects circuit below.
Description
Technical field
Color sorting drive circuit technical field is the utility model is related to, more specifically, more particularly to a kind of color selector is prevented
Thunder filter circuit.
Background technology
Thunder and lightning is inevitable a kind of phenomenon in daily life.However, thunder and lightning is also brought to our production and living
Certain harmfulness.Thunder and lightning is usually associated with the big voltage of high current, and the destructiveness to object is very big.It is of the prior art
Control circuit in color selector does not have special lightning protection circuit design.
Utility model content
The purpose of this utility model be to provide it is a kind of can dog for a long time by the voltage of alternating current 220V, and circuit energy
The color selector lightning protection filter circuit that will not be burnt out by 4KV motor surge.
In order to achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of color selector lightning protection filter circuit, including lightning protection circuit, filter circuit and the on-off circuit being sequentially connected, it is described
Lightning protection circuit includes first gas discharge tube, second gas discharge tube, the first fuse, the second fuse, the first electric capacity, first
Piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance, input zero line are connected by one end of the first fuse and the first electric capacity
Connect, the input live wire is connected by the second fuse with the other end of the first electric capacity, and one end of first electric capacity is also successively
By being connected after first gas discharge tube, the first piezo-resistance with the other end of the first electric capacity, the other end of first electric capacity
Also by being grounded after the second piezo-resistance, second gas discharge tube, it is pressure-sensitive that the second piezo-resistance both ends are also parallel with the 3rd
Resistance.
Further, the filter circuit includes the first transformer, the second transformer, the second electric capacity, the 3rd electric capacity, the 4th
Electric capacity, the 5th electric capacity, armature winding one end of first transformer are connected with first electric capacity one end, first transformer
One end of secondary windings is connected with the other end of the first electric capacity, the armature winding other end and the second transformation of first transformer
Armature winding one end connection of device, the secondary windings other end of first transformer and secondary windings one end of the second transformer
Connection, the armature winding other end of second transformer is connected with the 5th electric capacity one end, the secondary of second transformer around
The group other end is connected with the other end of the 5th electric capacity, the secondary windings other end of first transformer, second transformer
Armature winding one end be also connected by the second electric capacity with secondary windings one end of the second transformer, second transformer just
Also by being grounded after the 4th electric capacity, secondary windings one end of second transformer is also followed by by the 3rd electric capacity for level winding one end
Ground.
Further, the on-off circuit is opened including controlling switch group, the first monopole change-over switch, the conversion of the second monopole
Close, 1 pin of the controlling switch group is connected with the 5th electric capacity both ends with controlling switch group, one end of the 5th electric capacity also according to
It is secondary by being connected after the first monopole change-over switch, the second monopole change-over switch with controlling switch group.
Compared with prior art, the utility model has the advantage of：By setting first, second gas-discharge tube, first
To the 3rd piezo-resistance, gas-discharge tube and piezo-resistance composition one-level lightning surge protection circuit, when the lightning surge for having 4KV
When, piezo-resistance and gas-discharge tube common divided voltage release the circuit of high-energy with piezo-resistance and the characteristic of gas-discharge tube
Release, protect circuit below.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the electrical schematic diagram of color selector lightning protection filter circuit of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
As shown in fig.1, a kind of color selector lightning protection filter circuit, including lightning protection circuit 1, the filter circuit 2 being sequentially connected
With on-off circuit 3, the lightning protection circuit 1 include first gas discharge tube Q1, second gas discharge tube Q2, the first fuse F1,
Second fuse F2, the first electric capacity C1, the first piezo-resistance R1, the second piezo-resistance R2, the 3rd piezo-resistance R3, input zero line
N is connected by the first fuse F1 with the first electric capacity C1 one end, and the input live wire L passes through the electricity of the second fuse F2 and first
Hold C1 other end connection, one end of the first electric capacity C1 also passes sequentially through first gas discharge tube Q1, the first piezo-resistance
The other end after R1 with the first electric capacity C1 is connected, and the other end of the first electric capacity C1 also passes through the second piezo-resistance R2, second
It is grounded after gas-discharge tube Q2, the second piezo-resistance R2 both ends are also parallel with the 3rd piezo-resistance R3.In the utility model
Add first gas discharge tube Q1, second gas discharge tube Q2, the first to the 3rd piezo-resistance R1-R3.Gas-discharge tube and
Piezo-resistance forms one-level lightning surge protection circuit, and when there is 4KV lightning surge, piezo-resistance and gas-discharge tube are total to
Same partial pressure, the circuit of high-energy is discharged with piezo-resistance and the characteristic of gas-discharge tube, protect circuit below.
In the present embodiment, the filter circuit 2 includes the first transformer L1, the second transformer L2, the second electric capacity C2, the
Three electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, armature winding one end of the first transformer L1 and first electric capacity C1 one end
Connection, one end of the secondary windings of the first transformer L1 are connected with the first electric capacity C1 other end, first transformer
The L1 armature winding other end is connected with the second transformer L2 armature winding one end, the secondary windings of the first transformer L1
The other end is connected with the second transformer L2 secondary windings one end, the armature winding other end and the 5th of the second transformer L2
Electric capacity C5 one end is connected, and the secondary windings other end of the second transformer L2 is connected with the 5th electric capacity C5 other end, described
The first transformer L1 secondary windings other end, the second transformer L2 armature winding one end also by the second electric capacity C2 with
Second transformer L2 secondary windings one end connection, armature winding one end of the second transformer L2 also passes through the 4th electric capacity C4
After be grounded, secondary windings one end of the second transformer L2 after the 3rd electric capacity C3 also by being grounded.Wherein, the first transformer L1
It is for hindering high voltage and high current moment to flow in circuit below, can be released in the protection circuit of previous stage by absorption
Put.And there are a variety of Switching Power Supplies to need alternating current 220V to power in color selector circuit, be on the one hand to suppress by filter design
Harmonic wave interference in power network, prevent in harmonic wave access switch power supply.On the other hand Switching Power Supply is suppressed when work
Caused high-frequency harmonic enters in power network, so as to separate the interference of Switching Power Supply other sensitive electric equipments to color selector.
Preferably, the on-off circuit 3 includes controlling switch group S3, the first monopole change-over switch S1, the conversion of the second monopole
S2 is switched, 1 pin of the controlling switch group S3 is connected with the 5th electric capacity C5 both ends with controlling switch group S3, the 5th electric capacity
C5 one end is connected after also passing sequentially through the first monopole change-over switch S1, the second monopole change-over switch S2 with controlling switch group S3.
The partial circuit is the switch for controlling color selector, while plays excessively stream and overvoltage protection effect.
Although being described in conjunction with the accompanying embodiment of the present utility model, patent owner can want in appended right
Various deformations or amendments are made within the scope of asking, as long as no more than the protection model described by claim of the present utility model
Enclose, all should be within the scope of protection of the utility model.
Claims (3)
- A kind of 1. color selector lightning protection filter circuit, it is characterised in that：Including the lightning protection circuit, filter circuit and switch being sequentially connected Circuit, the lightning protection circuit include first gas discharge tube, second gas discharge tube, the first fuse, the second fuse, first Electric capacity, the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance, input zero line pass through the first fuse and the first electric capacity One end connection, input live wire be connected by the second fuse with the other end of the first electric capacity, one end of first electric capacity is also Be connected after passing sequentially through first gas discharge tube, the first piezo-resistance with the other end of the first electric capacity, first electric capacity it is another Also by being grounded after the second piezo-resistance, second gas discharge tube, the second piezo-resistance both ends are also parallel with the 3rd for one end Piezo-resistance.
- 2. color selector lightning protection filter circuit according to claim 1, it is characterised in that：The filter circuit includes first and become Depressor, the second transformer, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the armature winding of first transformer One end is connected with first electric capacity one end, and one end of the secondary windings of first transformer is connected with the other end of the first electric capacity, The armature winding other end of first transformer is connected with armature winding one end of the second transformer, first transformer The secondary windings other end is connected with secondary windings one end of the second transformer, the armature winding other end of second transformer with 5th electric capacity one end connects, and the secondary windings other end of second transformer is connected with the other end of the 5th electric capacity, and described the The secondary windings other end of one transformer, armature winding one end of second transformer also pass through the second electric capacity and the second transformation Secondary windings one end connection of device, armature winding one end of second transformer after the 4th electric capacity also by being grounded, and described the Secondary windings one end of two transformers after the 3rd electric capacity also by being grounded.
- 3. color selector lightning protection filter circuit according to claim 2, it is characterised in that：The on-off circuit is opened including control Pass group, the first monopole change-over switch, the second monopole change-over switch, 1 pin of the controlling switch group and the 5th electric capacity both ends with Controlling switch group connects, and one end of the 5th electric capacity also passes sequentially through the first monopole change-over switch, the second monopole change-over switch It is connected afterwards with controlling switch group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630222.0U CN207184046U (en) | 2017-06-02 | 2017-06-02 | A kind of color selector lightning protection filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720630222.0U CN207184046U (en) | 2017-06-02 | 2017-06-02 | A kind of color selector lightning protection filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184046U true CN207184046U (en) | 2018-04-03 |
Family
ID=61734718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720630222.0U Expired - Fee Related CN207184046U (en) | 2017-06-02 | 2017-06-02 | A kind of color selector lightning protection filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184046U (en) |
-
2017
- 2017-06-02 CN CN201720630222.0U patent/CN207184046U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180403 Termination date: 20200602 |