CN205829593U - A kind of Novel low pass wave filter circuit - Google Patents
A kind of Novel low pass wave filter circuit Download PDFInfo
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- CN205829593U CN205829593U CN201620727777.2U CN201620727777U CN205829593U CN 205829593 U CN205829593 U CN 205829593U CN 201620727777 U CN201620727777 U CN 201620727777U CN 205829593 U CN205829593 U CN 205829593U
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- resistance
- operational amplifier
- filter circuit
- low pass
- wave filter
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Abstract
This utility model patent relates to a kind of Novel low pass wave filter circuit, including input terminal Ui, lead-out terminal Uo, resistance R1, resistance R2, electric capacity C, operational amplifier A, two-way DC DC changer, input terminal Ui is connected with one end of two-way DC DC changer, and the two-way other end of DC DC changer is connected with the positive pole of operational amplifier A one end；One end of resistance R1 is connected with one end, the negative pole of operational amplifier A one end of resistance R2, and the other end of resistance R2 and the other end of operational amplifier A are all connected with lead-out terminal Uo.This utility model two-way DC DC changer instead of the resistance used in conventional Shunt; utilize the energy-conserving character of two-way DC DC changer; realize the capacitor in Shunt is carried out quick charge and repid discharge; reduce energy loss; eliminate heating and the noise of operation, it is achieved the energy-conservation doulbe-sides' victory protection with environment.
Description
Technical field
This utility model relates to low-pass filter circuit technical field, more particularly, it relates to one utilizes bi-directional DC-DC to become
The energy-conserving character of parallel operation, thus realize the capacitor in Shunt is carried out quick charge and quickly put
The Novel low pass wave filter circuit of electricity.
Background technology
The wave filter being made up of RC element and operational amplifier is referred to as RC active filter, and its function is to allow certain frequency model
Enclose interior signal to pass through, the signal beyond suppression or this frequency range of sharp-decay.Can be used on information processing, power quality, press down
The aspects such as interference processed, modern industry produces, and high precision control apparatus is a lot, for meeting the high-quality electric energy needs of equipment, uses
Shunt.
Traditional product is in RC parallel-connection structure, and resistance R can consume the substantial amounts of active power of electrical network, energy-conservation the most not to electrical network
Profit, simultaneous heating and noise, cause environmental pollution.
Summary of the invention
The technical problems to be solved in the utility model is, for defect of the prior art, it is provided that a kind of novel low pass
Filter circuit.
This utility model solves its technical problem and be the technical scheme is that a kind of Novel low pass wave filter circuit of structure,
Including input terminal Ui, lead-out terminal Uo, resistance R1, resistance R2, electric capacity C, operational amplifier A, bidirectional DC-DC converter, its
In, described input terminal Ui is connected with one end of bidirectional DC-DC converter, the other end of bidirectional DC-DC converter and described fortune
The positive pole calculating amplifier A one end connects；One end of described resistance R1 and one end of resistance R2, the negative pole of operational amplifier A one end
Connecting, the other end of described resistance R2 and the other end of operational amplifier A are all connected with described lead-out terminal Uo.
In a kind of Novel low pass wave filter circuit described in the utility model, described resistance R1 connects with resistance R2.
In a kind of Novel low pass wave filter circuit described in the utility model, described bidirectional DC-DC converter and resistance R1
In parallel.
In a kind of Novel low pass wave filter circuit described in the utility model, described electric capacity C is connected to described bi-directional DC-DC
Between the positive pole of changer and operational amplifier A one end.
Implement a kind of Novel low pass wave filter circuit of the present utility model, have the advantages that this utility model uses
A kind of novel bidirectional DC-DC converter instead of the resistance used in conventional Shunt, utilizes two-way
The energy-conserving character of DC-DC converter, it is achieved that the capacitor in Shunt is carried out quick charge with
Repid discharge, thus reduce energy loss；Eliminate heating and the noise of operation, it is achieved that the energy-conservation doulbe-sides' victory with environment simultaneously
Protection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the circuit theory diagrams of a kind of Novel low pass wave filter circuit of the present utility model.
Fig. 2 is the circuit theory diagrams of low-pass filter circuit of the prior art.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Fig. 1 shows the circuit theory diagrams of a kind of Novel low pass wave filter circuit, including input terminal Ui, lead-out terminal Uo,
Resistance R1, resistance R2, electric capacity C, operational amplifier A, bidirectional DC-DC converter, wherein, described input terminal Ui and two-way DC-
One end of DC changer connects, and the other end of bidirectional DC-DC converter is connected with the positive pole of described operational amplifier A one end；Institute
State one end with resistance R2, one end of resistance R1, the negative pole of operational amplifier A one end is connected, the other end of described resistance R2 and fortune
The other end calculating amplifier A is all connected with described lead-out terminal Uo.In the present embodiment use bidirectional DC-DC converter instead of with
The resistance used in Shunt, as in figure 2 it is shown, the circuit theory that Fig. 2 is traditional low-pass filter circuit
Figure, resistance R1 is in parallel with resistance R, and traditional product is in RC parallel-connection structure, and resistance R can consume the substantial amounts of active power of electrical network, right
Electrical network is energy-conservation the most unfavorable, simultaneous heating and noise, causes environmental pollution.The present embodiment utilize bi-directional DC-DC become
The energy-conserving character of parallel operation, it is achieved that the capacitor in Shunt is carried out quick charge and quickly puts
Electricity, thus reduce energy loss；Eliminate heating and the noise of operation, it is achieved that the energy-conservation doulbe-sides' victory protection with environment simultaneously.
Specifically, described resistance R1 connects with resistance R2.
Specifically, described bidirectional DC-DC converter is in parallel with resistance R1.
Specifically, described electric capacity C is connected between the positive pole of described bidirectional DC-DC converter and operational amplifier A one end.
This utility model has used a kind of novel bidirectional DC-DC converter to instead of conventional Shunt
The resistance of middle use, utilizes the energy-conserving character of bidirectional DC-DC converter, it is achieved that in Shunt
Capacitor carries out quick charge and repid discharge, thus reduces energy loss；Eliminate heating and the noise of operation simultaneously, real
Show the energy-conservation doulbe-sides' victory protection with environment.
Although this utility model being disclosed by above example, but protection domain of the present utility model not office
Being limited to this, under conditions of conceiving without departing from this utility model, the deformation of being done above each component, replacement etc. all will fall into
In the right of utility model.
Claims (4)
1. a Novel low pass wave filter circuit, it is characterised in that described Novel low pass wave filter circuit includes input terminal Ui, output
Terminal Uo, resistance R1, resistance R2, electric capacity C, operational amplifier A, bidirectional DC-DC converter, wherein, described input terminal Ui with
One end of bidirectional DC-DC converter connects, the other end of bidirectional DC-DC converter and the positive pole of described operational amplifier A one end
Connect；One end of described resistance R1 is connected with one end of resistance R2, the negative pole of operational amplifier A one end, and described resistance R2's is another
The other end of one end and operational amplifier A is all connected with described lead-out terminal Uo.
2. Novel low pass wave filter circuit as claimed in claim 1, it is characterised in that described resistance R1 connects with resistance R2.
3. Novel low pass wave filter circuit as claimed in claim 1, it is characterised in that described bidirectional DC-DC converter and resistance
R1 is in parallel.
4. Novel low pass wave filter circuit as claimed in claim 1, it is characterised in that described electric capacity C is connected to described two-way DC-
Between the positive pole of DC changer and operational amplifier A one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620727777.2U CN205829593U (en) | 2016-07-08 | 2016-07-08 | A kind of Novel low pass wave filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620727777.2U CN205829593U (en) | 2016-07-08 | 2016-07-08 | A kind of Novel low pass wave filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829593U true CN205829593U (en) | 2016-12-21 |
Family
ID=57565327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620727777.2U Active CN205829593U (en) | 2016-07-08 | 2016-07-08 | A kind of Novel low pass wave filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205829593U (en) |
-
2016
- 2016-07-08 CN CN201620727777.2U patent/CN205829593U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |