CN208128205U - A kind of filtering unit structure - Google Patents
A kind of filtering unit structure Download PDFInfo
- Publication number
- CN208128205U CN208128205U CN201821431840.3U CN201821431840U CN208128205U CN 208128205 U CN208128205 U CN 208128205U CN 201821431840 U CN201821431840 U CN 201821431840U CN 208128205 U CN208128205 U CN 208128205U
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- Prior art keywords
- shell
- chamber
- signal
- filter circuit
- filtering unit
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- 238000001914 filtration Methods 0.000 title claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 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
- 239000003990 capacitor Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a kind of filtering unit structure, including：Shell is designed at the intracorporal filter circuit of shell, is installed on the intracorporal circuit board of 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 intracavitary to be correspondingly arranged in the signal chamber, main power source chamber and motor power opened up in shell, the circuit board is between shell and fixed plate, will be capable of fixing the circuit board after fixed plate fixation, 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 by the utility model, while guarantee filtering unit good filter effect, the highly integrated of multiple filter circuits is also achieved, so that the installation of filtering unit, maintenance and more convenient to use.
Description
Technical field
The utility model relates to filtering unit fields, and in particular to a kind of filtering unit structure.
Background technique
Equipment of the filter as the noise signal in circuit is filtered out, is widely used in various electronic equipments.
It is special procured in field in communication equipment, aerospace, on-board equipment etc., 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 filter circuit of capacitor, inductance and resistance composition, the function of electric source filter circuit plate are 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 impedance of the input of electric source filter circuit plate, output end and power supply and load end is bigger, dry to electromagnetism
The decaying disturbed is more effective.Filter circuit plate can the frequency other than the frequency point or the frequency point to specific frequency in power supply line carry out
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 guarantee 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.It is all that independent filter is separately designed to power supply and multiple signals in the prior art
Wave component is filtered respectively, do not only result in this way installation filtering unit it is very troublesome, multiple filtering units, filtering unit are installed
It is contacted between the cabinet 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, the radiation for causing filtering unit to generate can impact the intracorporal electronic equipment of case,
And also cabinet safety and concealment can be caused to seriously affect.
Utility model content
To be solved in the utility model is the problem that prior art integrated level is low, filter effect is poor, in the prior art
It is existing above-mentioned insufficient and a kind of filtering unit structure is provided.
To achieve the above object, the utility model uses the following technical solution：
A kind of filtering unit structure, including：Shell is designed at the intracorporal filter circuit of shell, is installed on the intracorporal circuit of 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 are intracavitary, and the signal chamber, main power source chamber and motor power chamber are separated by partition, and signal
Chamber, main power source chamber and motor power chamber are successively in ladder step shape setting, and the signal chamber is rectangle and is located above shell, institute
It is intracavitary to state the motor power in rectangular shape that main power source chamber is located at below signal chamber, 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 the plate body covered on signal chamber and
The accommodating case of lid on circuit boards, so that being capable of fixing the circuit board after fixed plate is fixed, 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
Encapsulating is in the chamber where respective, and housing side offers heat dissipation chamber.
Further, the shell back fixation has a pair of for connecting the tightening hook of cabinet.
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 intracorporal conducting wire of shell on the circuit board.
Compared with the prior art, the utility model has the advantages that：
1. the chamber of entire shell is divided into the power supply filter for being equipped with electric source filter circuit plate by partition by the utility model
Wave chamber and the signal filtering chamber for being equipped with signal filter circuit plate, are filtered by the power supply being integrated on electric source filter circuit plate
Wave circuit and the multiple signal filter circuits being integrated on signal filter circuit plate to the power supply and signal of cabinet terminal respectively into
Row filtering processing, then shielded power filter and signal filtering by fixed plate, avoid power supply line and signal wire, power supply filter
Wave circuit and signal filter circuit cause to interfere with each other, and while guarantee filtering unit good filter effect, also achieve
Multiple filter circuits it is highly integrated so that the installation of filtering unit, maintenance and more convenient to use；
2. the utility model design has tightening hook that shell is fixed on cabinet, this ensure that inside casing of filter
Feedthrough capacitor is always maintained at the state connect during using and moving, and avoids there is a situation where loosening at ground connection, in addition, also side
Just output lead is pierced by from threading opening in power filter chamber, and this avoid open on the cover board above power filter chamber
Threading opening, this avoid more than frequency spectrum power supply line and electric source filter circuit the inside of signal filtering part and cabinet terminal is set
It is standby to generate interference, it also avoids filtering unit and generates biggish radiation, thus prevent the interference of power supply signal from other being caused to set
Standby reduced performance.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the utility model installation diagram；
Fig. 2 is the utility model rearview；
Fig. 3 is the utility model top view.
Appended drawing reference 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 embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to
Understand, the utility model 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, and signal chamber 11, main power source chamber 12 and motor power chamber 13 successively 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
The matching of 13 openings of sizes of motor power chamber, the fixed plate 3 include the plate body covered on signal chamber 11 and cover on the circuit board 2
Accommodating case, so that being capable of fixing the circuit board 2 after fixed plate 3 is fixed, the cover board 4 is removably mounted on fixed plate 3；
Circuit board 2 can be fixed on shell 1 by fixed plate 3 using screw in this way, shell 1 can be thermally conductive, can guarantee filtering
Component has certain heat sinking function, even if can still operate normally 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
Disassembly 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
Encapsulating is in the chamber where respective, and 1 side of shell offers heat dissipation chamber, is hollow structure 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 shell has a pair of for connecting the tightening hook 15 of cabinet, and tightening hook 15 is set to
1 lower part of shell, tightening hook 15 are fixed by screw and cabinet.
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 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 have be located at shell 1 on liner, liner can prevent handle 16 directly contacted 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 power supply line more than frequency spectrum and electric source filter circuit to the internal unit of signal filtering part and cabinet terminal
Generate interference.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of filtering unit structure, which is characterized in that including：Shell is designed at the intracorporal filter circuit of shell, is installed on 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 it is intracavitary, the signal chamber, main power source chamber and motor power chamber by partition every
It opens, and signal chamber, main power source chamber and motor power chamber are successively in ladder step shape setting, the signal chamber is rectangle and is located at shell
Above body, the motor power in rectangular shape that the main power source chamber is located at below signal chamber is intracavitary, 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 being capable of fixing the circuit board after fixed plate is fixed, the cover board can
Disassembly 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 filtering and main power source filter circuit by heat-conducting silicon rubber encapsulating 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 cabinet.
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 offering on the circuit board by shell
The wire guide that intracorporal conducting wire passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431840.3U CN208128205U (en) | 2018-08-31 | 2018-08-31 | A kind of filtering unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431840.3U CN208128205U (en) | 2018-08-31 | 2018-08-31 | A kind of filtering unit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128205U true CN208128205U (en) | 2018-11-20 |
Family
ID=64185632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821431840.3U Expired - Fee Related CN208128205U (en) | 2018-08-31 | 2018-08-31 | A kind of filtering unit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712156A (en) * | 2018-08-31 | 2018-10-26 | 重庆大及电子科技有限公司 | A kind of filtering unit structure |
| CN110011629A (en) * | 2019-04-17 | 2019-07-12 | 深圳振华富电子有限公司 | Power supply signal junction filter and electronic product |
-
2018
- 2018-08-31 CN CN201821431840.3U patent/CN208128205U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712156A (en) * | 2018-08-31 | 2018-10-26 | 重庆大及电子科技有限公司 | A kind of filtering unit structure |
| CN108712156B (en) * | 2018-08-31 | 2024-04-12 | 重庆大及电子科技有限公司 | Filtering component structure |
| CN110011629A (en) * | 2019-04-17 | 2019-07-12 | 深圳振华富电子有限公司 | Power supply signal junction filter and electronic product |
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| 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: 20181120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |