CN108712156A - A kind of filtering unit structure - Google Patents
A kind of filtering unit structure Download PDFInfo
- Publication number
- CN108712156A CN108712156A CN201811014609.9A CN201811014609A CN108712156A CN 108712156 A CN108712156 A CN 108712156A CN 201811014609 A CN201811014609 A CN 201811014609A CN 108712156 A CN108712156 A CN 108712156A
- Authority
- CN
- China
- Prior art keywords
- shell
- chamber
- signal
- filter circuit
- filtering unit
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 40
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
Abstract
The present invention provides a kind of filtering unit structures, including：Shell, the filter circuit being designed in shell, the circuit board being installed in shell, fixed plate and cover board for fixing circuit board, the shell is the metal case of an opening, the filter circuit includes signal filter circuit, main power source filtering and motor power filter circuit, and it is correspondingly arranged in the signal chamber, main power source chamber and motor power intracavitary opened up in shell, the circuit board is between shell and fixed plate, can fix the circuit board after fixing fixed plate, the cover board is removably mounted on fixed plate.The chamber of entire shell is divided into the power filter chamber for being equipped with electric source filter circuit plate and the signal for being equipped with signal filter circuit plate filtering chamber by partition board by the present invention, while guarantee filtering unit good filter effect, also achieve the highly integrated of multiple filter circuits so that the installation of filtering unit, maintenance and more convenient to use.
Description
Technical field
The present invention relates to filtering unit fields, and in particular to a kind of filtering unit structure.
Background technology
Equipment of the filter as the noise signal in circuit is filtered out, is widely used in various electronic equipments.
In communication equipment, aerospace, on-board equipment etc. special procure field, electromagnetic environment bandwidth, field strength is big, power conversion component
Can Electro Magnetic Compatibility height directly influence safe and reliable running for other equipment in environment.Electric source filter circuit plate be by
The function of the filter circuit of capacitance, inductance and resistance composition, electric source filter circuit plate is exactly by accessing power supply filter in power supply
Wave circuit plate obtains the power supply signal of a specific frequency, or eliminates the power supply signal after a specific frequency.Power filter electricity
Road plate is a kind of passive bidirectional network, its one end is power supply, and the other end is load.The principle of electric source filter circuit plate is exactly one
Kind impedance network:The input of electric source filter circuit plate, output end and the impedance of power supply and load end are bigger, dry to electromagnetism
The decaying disturbed is more effective.Filter circuit plate can carry out the frequency other than the frequency point or the frequency point of specific frequency in power cord
It effectively filters out, the power supply signal of a specific frequency is obtained, or eliminate the power supply signal after a specific frequency, to meet difference
Specific frequency power supply requirement.
In order to ensure that electronic equipment reliablely and stablely works, electromagnetic pollution is reduced, EMC Requirements, filter are met
It is widely used in electronic equipment of various.All it is that independent filter is separately designed to power supply and multiple signals in the prior art
Wave component is filtered respectively, is not only resulted in installation filtering unit in this way and is bothered very much, installs multiple filtering units, filtering unit
It is contacted between the babinet of installation bad, causes the filter effect of filtering unit poor.Along with the shielding of present filtering unit
Effect difference and the multiple filtering units of installation, cause the radiation that filtering unit generates that can be impacted to the electronic equipment in babinet,
And also babinet safety and concealment can be caused to seriously affect.
Invention content
The present invention is to solve the problem that prior art integrated level is low, filter effect is poor, for being deposited in the prior art
It is above-mentioned insufficient and a kind of filtering unit structure is provided.
To achieve the above object, present invention employs the following technical solutions：
A kind of filtering unit structure, including：Shell, the filter circuit being designed in shell, the circuit being installed in shell
Plate, fixed plate and cover board for fixing circuit board, the shell are the metal case of one side opening, the filter circuit
Including signal filter circuit, main power source filtering and motor power filter circuit, and be correspondingly arranged in the signal chamber opened up in shell,
Main power source chamber and motor power intracavitary, the signal chamber, main power source chamber and motor power chamber are separated by partition board, and signal
Chamber, main power source chamber and motor power chamber are in ladder step shape setting successively, and the signal chamber is for rectangle and above shell, institute
The motor power intracavitary in rectangular shape that main power source chamber is located at below signal chamber is stated, the circuit board is located at shell and fixed plate
Between, and board area is matched with motor power chamber openings of sizes, the fixed plate include cover plate body on signal chamber and
The accommodating case of lid on circuit boards, so that fixed plate can fix the circuit board after fixing, the cover board is removably mounted to
On fixed plate.
Further, the signal filter circuit, motor power filtering and main power source filter circuit are by heat-conducting silicon rubber
Embedding is in the chamber where respective, and housing side offers heat dissipation chamber.
Further, the shell back fixation has a pair of tightening hook for connecting babinet.
Further, the interface of several different models is provided on the shell.
Further, the back side is fixed with handle on the shell.
Further, if offering the wire guide passed through by the conducting wire in shell on the circuit board.
Compared with the prior art, the present invention has the advantages that：
1. the chamber of entire shell is divided into the power filter chamber for being equipped with electric source filter circuit plate by partition board by the present invention
Room and the signal filtering chamber for being equipped with signal filter circuit plate, pass through the power filter electricity being integrated on electric source filter circuit plate
Road and the multiple signal filter circuits being integrated on signal filter circuit plate filter the power supply and signal of babinet terminal respectively
Wave processing, then shielded power filter and signal filtering by fixed plate, avoid power cord and signal wire, power filter electricity
Road and signal filter circuit cause to interfere with each other, and while guarantee filtering unit good filter effect, also achieve multiple
Filter circuit it is highly integrated so that the installation of filtering unit, maintenance and more convenient to use；
2. the present invention is designed with tightening hook and shell is fixed on babinet, this ensure that the punching inside casing of filter
Capacitance is always maintained at the state connect during using and moving, and avoids there is a situation where loosening at ground connection, in addition, being also convenient for electricity
Output lead is pierced by from threading opening in source filtering chamber, and this avoid open threading on the cover board above power filter chamber
Mouthful, this avoid the internal unit production of power cord and electric source filter circuit to signal filtering part and babinet terminal more than frequency spectrum
Raw interference, also avoids filtering unit and generates larger radiation, thus prevent the interference of power supply signal from leading to other equipment
Reduced performance.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is installation diagram of the present invention；
Fig. 2 is rearview of the present invention；
Fig. 3 is vertical view of the present invention.
Reference numeral is followed successively by：Shell 1, signal chamber 11, main power source chamber 12, motor power chamber 13, interface 14, tightening hook
15, handle 16, circuit board 2, fixed plate 3, cover board 4, conducting wire 5.
Specific implementation mode
In order to which so that the present invention is realized technological means, creation characteristic, reached purpose more understand and are apparent to effect,
The present invention is further elaborated with reference to the accompanying drawings and detailed description：
A kind of filtering unit structure, as shown in Figure 1 to Figure 3, including：Shell 1, the filter circuit being designed in shell 1, peace
Loaded in shell 1 circuit board 2, for the fixed plate 3 and cover board 4 of fixing circuit board 2, the shell 1 is one side opening
Metal case, the filter circuit include signal filter circuit, main power source filtering and motor power filter circuit, and correspondence set
It is placed in the signal chamber 11, main power source chamber 12 and motor power chamber 13 opened up in shell 1, the signal chamber 11, main power source chamber
12 and motor power chamber 13 separated by partition board, and signal chamber 11, main power source chamber 12 and motor power chamber 13 successively be in ladder
Shape setting is walked, the signal chamber 11 is rectangle and is located at 1 top of shell, and the main power source chamber 12 is located at 11 lower section of signal chamber
In motor power chamber 13 in rectangular shape, the circuit board 2 between shell 1 and fixed plate 3, and 2 area of circuit board with
13 openings of sizes of motor power chamber matches, and the fixed plate 3 includes the plate body covered on signal chamber 11 and covers on the circuit board 2
Accommodating case, so that fixed plate 3 can fix the circuit board 2 after fixing, the cover board 4 is removably mounted on fixed plate 3；
Use screw circuit board 2 can be fixed on shell 1 by fixed plate 3 in this way, shell 1 can guarantee filtering with heat conduction
Component has certain heat sinking function, even if still can normal operation in the case where temperature is excessively high；Script integrated level is very low
Scattering device signal filter circuit, main power source filtering and motor power filter circuit be set in same housing 1, reduce
The volume of filter entirety, while being connected and fixed shell 1, circuit board 2, fixed plate 3 and cover board 4 by screw so that
Dismounting is easily installed while integrated level is got higher, practicability greatly increases.
Further, the signal filter circuit, motor power filtering and main power source filter circuit are by heat-conducting silicon rubber
Embedding is in the chamber where respective, and 1 side of shell offers heat dissipation chamber, is hollow-core construction inside heat dissipation chamber, so that setting
Standby adstante febre and air carry out heat exchange, and since multiple filter circuits are mounted in shell 1, when use can make shell 1 generate heat,
In turn resulting in efficiency reduces even burning apparatus, and can be radiated faster using heat conductive rubber, extends service life of equipment.
Further, 1 back fixation of the shell has a pair of tightening hook 15 for connecting babinet, tightening hook 15 to be set to
1 lower part of shell, tightening hook 15 are fixed by screw and babinet.
Further, the interface 14 of several different models, 14 company of preventing of interface of different model are provided on the shell 1
Error is generated when connecing.
Further, the interface 14 of several different models is provided on the shell 1, between each interface 14 and shell 1
It is both provided with washer 21.
Further, the back side is fixed with handle 16 on the shell 1, and handle 16 is for lifting filter, 16 both ends of handle
Across there is a liner on the shell 1, liner can prevent handle 16 be in direct contact with shell 1 lead to long-time use after grind
Damage.
Further, if 5 hole of conducting wire passed through by the conducting wire 5 in shell 1 is offered on the circuit board 2 so that it is convenient to
Output lead is pierced by from threading opening in power filter chamber, and this avoid open to wear on the cover board 4 above power filter chamber
Line mouth also avoids the internal unit of power cord more than frequency spectrum and electric source filter circuit to signal filtering part and babinet terminal
Generate interference.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (6)
1. a kind of filtering unit structure, which is characterized in that including：Shell, is installed on shell at the filter circuit being designed in shell
Interior circuit board, fixed plate and cover board for fixing circuit board, the shell is the metal case of one side opening, described
Filter circuit includes signal filter circuit, main power source filtering and motor power filter circuit, and is correspondingly arranged in shell and opens up
Signal chamber, main power source chamber and motor power intracavitary, the signal chamber, main power source chamber and motor power chamber by partition board every
It opens, and signal chamber, main power source chamber and motor power chamber are in ladder step shape setting successively, the signal chamber is rectangle and is located at shell
Above body, the main power source chamber is located at the motor power intracavitary in rectangular shape below signal chamber, and the circuit board is located at shell
Between body and fixed plate, and board area is matched with motor power chamber openings of sizes, and the fixed plate includes covering in signal chamber
On plate body and lid accommodating case on circuit boards so that fixed plate can fix the circuit board after fixing, the cover board can
Dismounting is installed on fixed plate.
2. a kind of filtering unit structure according to claim 1, which is characterized in that the signal filter circuit, motor electricity
Source filters and main power source filter circuit is by heat-conducting silicon rubber embedding in chamber where respective, and housing side offer it is scattered
Hot cell.
3. a kind of filtering unit structure according to claim 1 or 2, which is characterized in that the shell back fixation has one
To the tightening hook for connecting babinet.
4. a kind of filtering unit structure according to claim 3, which is characterized in that be provided with several differences on the shell
The interface of model.
5. a kind of filtering unit structure according to claim 4, which is characterized in that the back side is fixed with handle on the shell
Hand.
6. a kind of filtering unit structure according to claim 5, which is characterized in that if being offered by shell on the circuit board
The wire guide that internal conducting wire passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014609.9A CN108712156B (en) | 2018-08-31 | 2018-08-31 | Filtering component structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014609.9A CN108712156B (en) | 2018-08-31 | 2018-08-31 | Filtering component structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108712156A true CN108712156A (en) | 2018-10-26 |
| CN108712156B CN108712156B (en) | 2024-04-12 |
Family
ID=63873767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811014609.9A Active CN108712156B (en) | 2018-08-31 | 2018-08-31 | Filtering component structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108712156B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219299A (en) * | 2018-10-31 | 2019-01-15 | 重庆山淞信息技术有限公司 | A kind of filter of more filter functions |
| CN112928909A (en) * | 2019-12-06 | 2021-06-08 | 重庆大及电子科技有限公司 | EMI filtering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982253A (en) * | 1997-08-27 | 1999-11-09 | Nartron Corporation | In-line module for attenuating electrical noise with male and female blade terminals |
| CN107528560A (en) * | 2017-09-29 | 2017-12-29 | 重庆大及电子科技有限公司 | A kind of laser orientation system filtering unit |
| CN207410309U (en) * | 2017-06-06 | 2018-05-25 | 成都奔月电子技术有限公司 | A kind of filtering unit |
| CN208128205U (en) * | 2018-08-31 | 2018-11-20 | 重庆大及电子科技有限公司 | A kind of filtering unit structure |
-
2018
- 2018-08-31 CN CN201811014609.9A patent/CN108712156B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982253A (en) * | 1997-08-27 | 1999-11-09 | Nartron Corporation | In-line module for attenuating electrical noise with male and female blade terminals |
| CN207410309U (en) * | 2017-06-06 | 2018-05-25 | 成都奔月电子技术有限公司 | A kind of filtering unit |
| CN107528560A (en) * | 2017-09-29 | 2017-12-29 | 重庆大及电子科技有限公司 | A kind of laser orientation system filtering unit |
| CN208128205U (en) * | 2018-08-31 | 2018-11-20 | 重庆大及电子科技有限公司 | A kind of filtering unit structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219299A (en) * | 2018-10-31 | 2019-01-15 | 重庆山淞信息技术有限公司 | A kind of filter of more filter functions |
| CN112928909A (en) * | 2019-12-06 | 2021-06-08 | 重庆大及电子科技有限公司 | EMI filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108712156B (en) | 2024-04-12 |
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