CN206332449U - A kind of anti-interference filter - Google Patents
A kind of anti-interference filter Download PDFInfo
- Publication number
- CN206332449U CN206332449U CN201720053113.7U CN201720053113U CN206332449U CN 206332449 U CN206332449 U CN 206332449U CN 201720053113 U CN201720053113 U CN 201720053113U CN 206332449 U CN206332449 U CN 206332449U
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- China
- Prior art keywords
- interference
- electric capacity
- base chip
- diode
- resistance
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Abstract
The utility model discloses a kind of anti-interference filter, by battery, first resistor to the 4th resistance, the first electric capacity to the 4th electric capacity, it is anti-interference when base chip, the first diode and the second diode constitute, run into disturbing pulse signal, when there is deadlock phenomenon in base chip when anti-interference, multivibrator starting of oscillation immediately, export a reset signal to it is anti-interference when base chip the 6th pin reset terminal, base chip is reworked when making anti-interference by force so that input signal there is jamproof effect.Compared with prior art, base chip is core parts when the utility model uses anti-interference, and periphery only has several ordinary electronic components and collectively constituted, its is with low cost, and circuit structure is simple, it is easy to accomplish, anti-interference filtration processing, the value with popularization and application can be carried out to signal.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of anti-interference filter.
Background technology
With digital electronic computer (general abbreviation computer) technology generation and develop rapidly, for the ease of calculate
Machine is handled signal, generates and continuous time signal is transformed into the complete of discrete-time signal under sampling theorem guidance
Theory and method.That is, only can be expressed with sample value of the original analog signal on series of discrete time coordinate point
Primary signal is without losing any information, since these concepts expression of ripple, waveform, signal is various physical quantitys in objective world
Change, be exactly the carrier for the various information that modern society depends on for existence naturally.Information needs to propagate, and what is leaned on is exactly waveform signal
Transmission.Signal may be distorted in each link of its generation, conversion, transmission due to the presence of environment and interference,
Even in quite a number of cases, this distortion is also very serious, so that signal and its entrained information are by deep buried
Among noise, in the prior art, the species of wave filter is varied, and function is also each has something to recommend him, in line with excelsior spirit,
Need constantly to improve and innovation.
Utility model content
The purpose of this utility model, which is that, provide a kind of anti-interference filter to solve the above problems.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model by battery, first resistor to the 4th resistance, the first electric capacity to the 4th electric capacity, it is anti-interference when base core
Piece, the first diode and the second diode composition, battery are that 6V, first resistor are that 100 Ω, second resistance are 400 Ω, the 3rd electricity
Resistance is that 500 Ω, the 4th resistance are that 2k Ω, the first electric capacity are that 300 μ F, the second electric capacity are that 470 μ F, the 3rd electric capacity are 100 μ F, the 4th
Electric capacity is 1000 μ F, it is anti-interference when base chip model be that KA555, the first diode and the second diode model are IN4001；
The positive pole of the battery simultaneously with the first end of second resistance, the first end of 3rd resistor, it is anti-interference when base chip
The 4th pin and the connection of the 8th pin, the negative pole of battery simultaneously with the first end of first resistor, the first end of the second electric capacity, the
The first end of one electric capacity, it is anti-interference when base chip the first pin and the 4th electric capacity first end connection, the second of first resistor
End is connected with the first end of the 3rd electric capacity and as the signal input part of anti-interference filter, the second end of the 3rd electric capacity and meanwhile with
The negative pole connection of second end of 3rd resistor and the second diode, the first end of the second end of second resistance simultaneously with the 4th resistance
With it is anti-interference when base chip the connection of the 7th pin, the second end of the 4th resistance the second end simultaneously with the second electric capacity, the two or two
The positive pole of pole pipe, it is anti-interference when base chip second pin and the 6th pin connection, when anti-interference 5th pin of base chip with
The second end connection of first electric capacity, the negative pole and the 4th electric capacity of the 3rd pin of base chip simultaneously with the first diode when anti-interference
The connection of the second end, the just extremely signal output part of anti-interference filter of the first diode.
The beneficial effects of the utility model are：
The utility model is a kind of anti-interference filter, compared with prior art, base when the utility model uses anti-interference
Chip is core parts, and periphery only has several ordinary electronic components and collectively constituted, and its is with low cost, and circuit structure is simple, easily
In realization, anti-interference filtration processing, the value with popularization and application can be carried out to signal.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model is by battery E, first resistor R1 to the 4th resistance R4, the first electric capacity C1 to the 4th electricity
Hold C4, it is anti-interference when base chip IC, the first diode VD1 and the second diode VD2 compositions, battery E is 6V, first resistor R1
It is that 400 Ω, 3rd resistor R3 are that 500 Ω, the 4th resistance R4 are that 2k Ω, the first electric capacity C1 are 300 for 100 Ω, second resistance R2
μ F, the second electric capacity C2 be 470 μ F, the 3rd electric capacity C3 be 100 μ F, the 4th electric capacity C4 be 1000 μ F, it is anti-interference when base chip IC type
Number it is IN4001 for KA555, the first diode VD1 and the second diode VD2 models；
The positive pole of the battery E simultaneously with second resistance R2 first end, 3rd resistor R3 first end, it is anti-interference when base
4th pin of chip IC and the connection of the 8th pin, battery E negative pole first end simultaneously with first resistor R1, the second electric capacity
C2 first end, the first electric capacity C1 first end, it is anti-interference when base chip IC the first pin and the 4th electric capacity C4 first end
Connection, first resistor R1 the second end is connected with the 3rd electric capacity C3 first end and inputted as the signal of anti-interference filter
IN is held, the 3rd electric capacity C3 the second end is connected with 3rd resistor R3 the second end and the second diode VD2 negative pole simultaneously, second
Resistance R2 the second end simultaneously with the 4th resistance R4 first end and it is anti-interference when base chip IC the 7th pin be connected, the 4th is electric
Hinder R4 the second end simultaneously with the second electric capacity C2 the second end, the second diode VD2 positive pole, it is anti-interference when base chip IC the
Two pins and the connection of the 6th pin, 5th pin of base chip IC is connected with the first electric capacity C1 the second end when anti-interference, is resisted dry
The 3rd pin of base chip IC is connected with the first diode VD1 negative pole and the 4th electric capacity C4 the second end simultaneously when disturbing, and first
The diode VD1 just extremely signal output part OUT of anti-interference filter.
Operation principle of the present utility model is as follows：
Due to it is anti-interference when base chip IC the 7th pin and the 5th pin and negative pole between be connected to the first electric capacity Cl, and
First electric capacity C1 is continually changing by the 7th pin discharge and recharge, its voltage levels, and the 3rd pin just constitutes one with input
Multivibrator, the 5th resistance R5 is feedback resistance.In normal work, the 3rd pin timing of base chip IC is sent out when anti-interference
Go out pulse signal, clamping action is played by the first diode VD1, multivibrator is unable to starting of oscillation.Once run into disturbing pulse
Signal, when deadlock phenomenon occurs in base chip IC when anti-interference, multivibrator starting of oscillation immediately, one reset signal of output is done to anti-
6th pin reset terminal of base chip IC when disturbing, base chip IC is reworked when making anti-interference by force, so that the signal of input
With jamproof effect.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (1)
1. a kind of anti-interference filter, it is characterised in that：By battery, first resistor to the 4th resistance, the first electric capacity to the 4th electricity
Hold, it is anti-interference when base chip, the first diode and the second diode composition, battery is that 6V, first resistor are 100 Ω, the second electricity
Resistance is that 400 Ω, 3rd resistor are that 500 Ω, the 4th resistance are that 2k Ω, the first electric capacity are that 300 μ F, the second electric capacity are 470 μ F, the 3rd
Electric capacity be 100 μ F, the 4th electric capacity be 1000 μ F, it is anti-interference when base chip model be KA555, the first diode and the second diode
Model is IN4001；
The positive pole of the battery simultaneously with the first end of second resistance, the first end of 3rd resistor, it is anti-interference when base chip the
Four pins and the connection of the 8th pin, the negative pole of battery simultaneously with the first end of first resistor, the first end of the second electric capacity, the first electricity
The first end of appearance, it is anti-interference when base chip the first pin and the 4th electric capacity first end connection, the second end of first resistor with
The first end connection of 3rd electric capacity and as the signal input part of anti-interference filter, the second end of the 3rd electric capacity is simultaneously with the 3rd
The negative pole connection of second end of resistance and the second diode, the second end of second resistance is simultaneously with the first end of the 4th resistance and resisting
The 7th pin connection of base chip during interference, the second end of the 4th resistance the second end simultaneously with the second electric capacity, the second diode
Positive pole, it is anti-interference when base chip second pin and the 6th pin connection, the 5th pin and first of base chip when anti-interference
The second end connection of electric capacity, when anti-interference 3rd pin of base chip simultaneously with the negative pole of the first diode and the 4th electric capacity the
Two ends are connected, the just extremely signal output part of anti-interference filter of the first diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720053113.7U CN206332449U (en) | 2017-01-16 | 2017-01-16 | A kind of anti-interference filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720053113.7U CN206332449U (en) | 2017-01-16 | 2017-01-16 | A kind of anti-interference filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332449U true CN206332449U (en) | 2017-07-14 |
Family
ID=59294149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720053113.7U Expired - Fee Related CN206332449U (en) | 2017-01-16 | 2017-01-16 | A kind of anti-interference filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206332449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173429A (en) * | 2017-12-23 | 2018-06-15 | 马良彬 | A kind of outdoor construction moves booster power |
-
2017
- 2017-01-16 CN CN201720053113.7U patent/CN206332449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173429A (en) * | 2017-12-23 | 2018-06-15 | 马良彬 | A kind of outdoor construction moves booster power |
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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 |
Granted publication date: 20170714 Termination date: 20180116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |