CN107612520A - Bandpass filter - Google Patents
Bandpass filter Download PDFInfo
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- CN107612520A CN107612520A CN201710850955.XA CN201710850955A CN107612520A CN 107612520 A CN107612520 A CN 107612520A CN 201710850955 A CN201710850955 A CN 201710850955A CN 107612520 A CN107612520 A CN 107612520A
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- Prior art keywords
- control board
- frequency
- bandpass filter
- connector
- electric capacity
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- 239000000463 material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The invention discloses bandpass filter, by shell, frequency reception connector and frequency transmission connector are formed, the frequency connector is fixedly connected with the retainer ring on frequency transmission connector with the outer wall of shell, the enclosure is provided with control board, the control board is fixed by the internal backplane of screw and shell, the control board is provided with amplifier, inductor, voltage-stablizer, electric capacity and attenuator, control chip is provided with inside the amplifier, the control chip is provided with power transformer, electron tube and transistor, the control chip is connected by circuit with control chip with control board, the inductor both ends are provided with resistance coil, the voltage-stablizer is connected with control board circuit.By the amplifier and attenuator in bandpass filter, all frequencies are all fallen by complete attenuation outside passband, and transistor and electron tube cause the conversion outside passband to be completed in minimum frequency range.
Description
Technical field
Signal filter plant technical field of the present invention, specially bandpass filter.
Background technology
Wave filter is the device filtered to ripple.Refer to reduce or eliminate electrical part of the harmonic wave to effect on power system
Part.Input or output are obtained into pure direct current by filtering.To the frequency beyond the frequency of specific frequency or the frequency
The circuit effectively filtered out, it is exactly wave filter, its function is exactly to obtain one specific frequency of a specific frequency or elimination.
Connected because current wave filter forms networking simply by inductor with equipment such as electric capacity, net arteries and veins is filtered by networking
Ripple in dynamic direct current, and obtain purer direct current output, can not by the frequency component in a certain frequency range and
The ripple of one permission special frequency channel is by shielding the frequencies of other frequency ranges simultaneously.In order to solve the above problems, therefore, it is proposed that
Bandpass filter.
The content of the invention
It is an object of the invention to provide bandpass filter, solves the problems, such as proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：Bandpass filter, connected by shell, frequency reception
Head and frequency transmission connector are formed, and the frequency connector is consolidated with the retainer ring on frequency transmission connector and the outer wall of shell
Fixed connection, the enclosure are provided with control board, and the control board is fixed by the internal backplane of screw and shell,
The control board is provided with amplifier, inductor, voltage-stablizer, electric capacity and attenuator, and control is provided with inside the amplifier
Chip, the control chip are provided with power transformer, electron tube and transistor, and the control chip will control core by circuit
Piece is connected with control board, and the inductor both ends are provided with resistance coil, and the voltage-stablizer is connected with control board circuit,
The electric capacity is connected by connecting copper wire with circuit control panel, and the attenuator both ends are equipped with two connecting lines, the decay
Device one end connecting line is connected with frequency transmission connector, and other end connecting line is connected with control board.
As a kind of preferred embodiment of the present invention, the inductor is vertical sealed fixed inductance, inductance value model
It is 0.05 ~ 1.6A to enclose for 0.1 ~ 2200 μ H, rated operational current, and error range is ± 5% ~ ± 10%.
As a kind of preferred embodiment of the present invention, the electric capacity is the electrochemical capacitor of Large Copacity, and electric capacity is provided with rubber
Rubber ring, the rubber ring inside are provided with thicker insulation ceramics, and the range of nominal tension of the electric capacity is 1-3KV.
As a kind of preferred embodiment of the present invention, the power transformer inside the amplifier, the power supply transformation
Device is the power transformer of middle power, and the performance number scope of power transformer is 10kVA~0.5kVA.
As a kind of preferred embodiment of the present invention, the voltage-stablizer is provided with load resistance, on the load resistance
Provided with resistance coil 8.
As a kind of preferred embodiment of the present invention, the transistor is made up of the diode of semi-conducting material, is switched
Speed is up to more than 100GHz.
As a kind of preferred embodiment of the present invention, the control board is surface-mounted integrated circuit, the control circuit
Plate is made up of pvc material.
Compared with prior art, beneficial effects of the present invention are as follows：
Because bandpass filter has a completely flat passband, frequency is not amplified or decayed in passband, passes through band logical
The setting of amplifier and attenuator in wave filter so that all frequencies are all fallen by complete attenuation outside passband, pass through amplification
Transistor and electron tube in device, the conversion outside passband can be completed in minimum frequency range.
Brief description of the drawings
Fig. 1 is bandpass filter overall appearance schematic diagram of the present invention；
Fig. 2 is bandpass filter internal device structure schematic diagram of the present invention；
Fig. 3 is bandpass filter amplifier internal structure schematic diagram of the present invention；
Fig. 4 is band pass filter circuit structural representation of the present invention.
In figure:1- shells, 2- frequency reception connectors, 3- frequencies transmission connector, 4- control boards, 5- amplifiers,
6- inductors, 7- voltage-stablizers, 8- resistance coils, 9- electric capacity, 10- attenuators, 11- connecting lines, 12- control chips, 13- power supplys become
Depressor, 14- electron tubes, 15- transistors.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme：Bandpass filter, by shell 1, frequency reception connector 2
Formed with frequency transmission connector 3, the frequency connector 2 and the retainer ring and the outer wall of shell 1 on frequency transmission connector 3
It is fixedly connected, the inside of shell 1 is provided with control board 2, the inner bottom that the control board 2 passes through screw and shell 1
Plate is fixed, and the control board 2 is provided with amplifier 5, inductor 6, voltage-stablizer 7, electric capacity 9 and attenuator 10, the amplification
The inside of device 5 is provided with control chip 12, and the control chip 12 is provided with power transformer 13, electron tube 14 and transistor 15, institute
State control chip 12 to be connected with control chip 12 with control board 4 by circuit, the both ends of inductor 6 are provided with resistance coil
8, the voltage-stablizer 7 is connected with the circuit of control board 4, and the electric capacity 9 is connected by connecting copper wire with circuit control panel 4, institute
State the both ends of attenuator 10 and be equipped with two connecting lines 11, one end connecting line 11 of attenuator 10 connects with frequency transmission connector 3
Connect, other end connecting line 11 is connected with control board 4.
As a kind of preferred embodiment of the present invention, the inductor 6 is vertical sealed fixed inductance, inductance value model
It is 0.05 ~ 1.6A to enclose for 0.1 ~ 2200 μ H, rated operational current, and error range is ± 5% ~ ± 10%.Vertical sealed fixed inductance
Device being capable of more preferable fixed resistance coil, it is ensured that the stability connected between the equipment of inductor.
As a kind of preferred embodiment of the present invention, the electric capacity 9 is the electrochemical capacitor of Large Copacity, and electric capacity 9 is provided with
Rubber ring, the rubber ring inside are provided with thicker insulation ceramics, and the range of nominal tension of the electric capacity 9 is 1-3KV.Large Copacity
Electric capacity can ensure to bear the larger magnitude of current, do not allow to be in the presence of burning damage in a special case.
As a kind of preferred embodiment of the present invention, the power transformer 13 inside the amplifier 5, the power supply change
Depressor 13 is the power transformer 13 of middle power, and the performance number scope of power transformer 13 is 10kVA~0.5kVA.Pass through amplification
The setting of device, all frequency signals outside the passband that preferably can amplify and decay.
As a kind of preferred embodiment of the present invention, the voltage-stablizer 7 is provided with load resistance, on the load resistance
Provided with resistance coil 8.Load resistance can discharge larger electric current, be the core component of voltage-stablizer, prevent because electricity is much,
Cause burning and damaging for element.
As a kind of preferred embodiment of the present invention, the transistor 15 is made up of the diode of semi-conducting material, cut
Throw-over degree is up to more than 100GHz.The accurate of transmission faster and ensure that to signal or ripple frequency response speed by transistor
Rate.
As a kind of preferred embodiment of the present invention, the control board 4 is surface-mounted integrated circuit, the control circuit
Plate 4 is made up of pvc material.Circuit board is made up of resistant to elevated temperatures material, is avoided because temperature is too high, is caused circuit board
The ablation of body, cause the situation of short circuit.
The present invention can understand amplifier 5, inductor in bandpass filter control board 4 in detail by Fig. 1, Fig. 2
6th, the connection between voltage-stablizer 7, electric capacity 9 and attenuator 10 and control board 4, and the Inner Constitution of equipment.Can by Fig. 3
To understand the concrete structure and characteristic of element and element inside amplifier 5, by Fig. 4 it will be seen that whole band logical equipment
Workflow.
Bandpass filter of the present invention, by the frequency reception connector 2 on shell 1 come rate of connections signal source,
And frequency is transferred to bandpass filter, frequency is transmitted in a manner of electric current, incited somebody to action by the amplification of amplifier 5, frequency
Frequency after filter is transferred to attenuator 10 by control board 4, by the decay impurity screening frequency of attenuator 10, finally will
Pure frequency is transmitted to frequency bin by frequency transfer connector 3.
When user wants to use present device, the first step, by the frequency of frequency signal source access bandpass filter
Rate is received on connector 2；Second step, by discharging the signal of frequency signal source, the 3rd step, entered by frequency signal reception device
Row receives the pure frequency signal after filtering.
The shell 1 of the present invention, frequency reception connector 2, frequency transmission connector 3, control board 4, amplifier 5, electricity
Sensor 6, voltage-stablizer 7, resistance coil 8, electric capacity 9, attenuator 10, connecting line 11, control chip 12, power transformer 13, electronics
Pipe 14, the part that the part of transistor 15 is universal standard part or those skilled in the art know, its structure and principle are all this
Technical staff can be learnt by technical manual or be known by normal experiment method, the present invention solve the problems, such as be can not be by certain
The ripple of frequency component in one frequency range and a permission special frequency channel is by shielding the frequencies of other frequency ranges simultaneously.This hair
The bright setting using amplifier and attenuator so that all frequencies are all fallen by complete attenuation outside passband, by amplifier
Transistor and electron tube, the conversion outside passband can complete in minimum frequency range.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (7)
1. bandpass filter, by shell（1）, frequency reception connector（2）Connector is transmitted with frequency（3）Form, its feature exists
In：The frequency connector（2）Connector is transmitted with frequency（3）On retainer ring and shell（1）Outer wall be fixedly connected, it is described
Shell（1）Inside is provided with control board（2）, the control board（2）Pass through screw and shell（1）Internal backplane consolidate
It is fixed, the control board（2）It is provided with amplifier（5）, inductor（6）, voltage-stablizer（7）, electric capacity（9）And attenuator（10）,
The amplifier（5）Inside is provided with control chip（12）, the control chip（12）It is provided with power transformer（13）, electron tube
（14）And transistor（15）, the control chip（12）By circuit by control chip（12）With control board（4）Connection, institute
State inductor（6）Both ends are provided with resistance coil（8）, the voltage-stablizer（7）With control board（4）Circuit connects, the electric capacity
（9）By connecting copper wire and circuit control panel（4）Connection, the attenuator（10）Both ends are equipped with two connecting lines（11）, institute
State attenuator（10）One end connecting line（11）Connector is transmitted with frequency（3）Connection, other end connecting line（11）With control circuit
Plate（4）Connection.
2. bandpass filter according to claim 1, it is characterised in that:The inductor（6）Fixed for vertical sealed
Inductor, inductance value scope are 0.1 ~ 2200 μ H, and rated operational current is 0.05 ~ 1.6A, and error range is ± 5% ~ ± 10%.
3. bandpass filter according to claim 1, it is characterised in that：The electric capacity（9）For the electrolysis electricity of Large Copacity
Hold, electric capacity（9）Rubber ring is provided with, thicker insulation ceramics, the electric capacity are provided with inside the rubber ring（9）Rated voltage
Scope is 1-3KV.
4. bandpass filter according to claim 1, it is characterised in that：The amplifier（5）Internal power transformer
（13）, the power transformer（13）For the power transformer of middle power（13）, power transformer（13）Performance number scope be
10kVA~0.5kVA.
5. bandpass filter according to claim 1, it is characterised in that：The voltage-stablizer（7）It is provided with load resistance, institute
State load resistance and be provided with resistance coil（8）.
6. bandpass filter according to claim 1, it is characterised in that：The transistor（15）By the two of semi-conducting material
Pole pipe is formed, and switch speed is up to more than 100GHz.
7. bandpass filter according to claim 1, it is characterised in that：The control board（4）For surface-mounted integrated circuit,
The control board（4）It is made up of pvc material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850955.XA CN107612520A (en) | 2017-09-20 | 2017-09-20 | Bandpass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850955.XA CN107612520A (en) | 2017-09-20 | 2017-09-20 | Bandpass filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107612520A true CN107612520A (en) | 2018-01-19 |
Family
ID=61061181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710850955.XA Pending CN107612520A (en) | 2017-09-20 | 2017-09-20 | Bandpass filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107612520A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062957A (en) * | 1990-09-28 | 1992-07-22 | 普雷斯托莱特电线公司 | The free flame ignition system that has independent knock detection sensor |
| CN101076948A (en) * | 2004-12-02 | 2007-11-21 | 电力波科姆特克公司 | Antenna end filter arrangement |
| RU2015127858A (en) * | 2015-07-09 | 2017-01-12 | Открытое акционерное общество "Омский научно-исследовательский институт приборостроения" (ОАО "ОНИИП") | INPUT DEVICE OF SINGLE-ROTE MULTI-BAND RADIO RECEIVER |
| CN206041792U (en) * | 2016-08-25 | 2017-03-22 | 唐异茂 | EMI filter |
| CN106788313A (en) * | 2017-02-13 | 2017-05-31 | 石家庄创天电子科技有限公司 | A kind of feed circuit of wave filter and the device based on the feed circuit |
| CN106896893A (en) * | 2017-02-21 | 2017-06-27 | 林敦 | Directly-heated tube multistage amplifier circuits |
-
2017
- 2017-09-20 CN CN201710850955.XA patent/CN107612520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062957A (en) * | 1990-09-28 | 1992-07-22 | 普雷斯托莱特电线公司 | The free flame ignition system that has independent knock detection sensor |
| CN101076948A (en) * | 2004-12-02 | 2007-11-21 | 电力波科姆特克公司 | Antenna end filter arrangement |
| RU2015127858A (en) * | 2015-07-09 | 2017-01-12 | Открытое акционерное общество "Омский научно-исследовательский институт приборостроения" (ОАО "ОНИИП") | INPUT DEVICE OF SINGLE-ROTE MULTI-BAND RADIO RECEIVER |
| CN206041792U (en) * | 2016-08-25 | 2017-03-22 | 唐异茂 | EMI filter |
| CN106788313A (en) * | 2017-02-13 | 2017-05-31 | 石家庄创天电子科技有限公司 | A kind of feed circuit of wave filter and the device based on the feed circuit |
| CN106896893A (en) * | 2017-02-21 | 2017-06-27 | 林敦 | Directly-heated tube multistage amplifier circuits |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180824 Address after: 415000 group 2, Pan Shan village, Zhang Gong temple, Lixian, Changde, Hunan Applicant after: Hunan Jiayeda Electronic Co., Ltd. Address before: 415502 No. 170, Li Bei North District, Xiao Xi men neighborhood committee, Liyang Town, Lixian, Changde, Hunan, China. Ten Applicant before: Dai Chengping |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180119 |