CN107528560A - A kind of laser orientation system filtering unit - Google Patents
A kind of laser orientation system filtering unit Download PDFInfo
- Publication number
- CN107528560A CN107528560A CN201710908062.6A CN201710908062A CN107528560A CN 107528560 A CN107528560 A CN 107528560A CN 201710908062 A CN201710908062 A CN 201710908062A CN 107528560 A CN107528560 A CN 107528560A
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- CN
- China
- Prior art keywords
- inductance
- capacitor
- cavity
- power filter
- filtering unit
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- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 49
- 239000003990 capacitor Substances 0.000 claims abstract description 59
- 238000004080 punching Methods 0.000 claims abstract description 15
- 230000001939 inductive effect Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 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
Landscapes
- Coils Or Transformers For Communication (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of laser orientation system filtering unit, including assembly housing, power filter cavity, punching filtering cavity and signal filtering cavity are divided into assembly housing, power filter part is disposed with power filter cavity；Power filter part includes inductive bank, and the inductive bank includes the first inductance, the second inductance, the 3rd inductance and the 4th inductance；First inductance and the second inductance are divided into two row with the 3rd inductance and the 4th inductance and are arranged at intervals；The first capacitor is provided between two the first inductance and two the 3rd inductance, the both ends of first capacitor are provided with the second capacitor, two the first inductance and two the 3rd inductance ends are provided with the 3rd capacitor, and the both ends of the 3rd capacitor between adjacent the first inductance and the second inductance and the 3rd adjacent inductance and the 4th inductance are provided with the 4th capacitor；The present invention compared with prior art, is reasonably arranged to all parts, reduces the volume of filtering unit.
Description
Technical field
The present invention relates to technical field of filtering, and in particular to a kind of laser orientation system filtering unit.
Background technology
Equipment of the filtering unit as the noise signal in circuit is filtered out, is widely used various electronic equipments
In.In communication equipment, Aero-Space, on-board equipment etc. special procure field, electromagnetic environment bandwidth, field strength is big, power transforming part
Can the Electro Magnetic Compatibility height of part directly influence safe and reliable running for other equipment in environment.Power filter component is
The filter circuit being made up of electric capacity, inductance and resistance, the function of power filter component are exactly to be filtered by accessing power supply in the supply
Ripple component, the power supply signal of a specific frequency is obtained, or eliminate the power supply signal after a specific frequency.
Power filter component is a kind of passive bidirectional network, and its one end is power supply, and the other end is load.Its principle is exactly
A kind of impedance network:Power filter component input, output end and the impedance of power supply and load end are bigger, and electromagnetism is done
The decay disturbed is more effective.Filter circuit plate can be carried out to the frequency beyond the frequency or the frequency of specific frequency in power line
Effectively filter out, obtain the power supply signal of a specific frequency, or eliminate the power supply signal after a specific frequency, to meet difference
Specific frequency power supply requirement.
One cavity is only set in traditional filtering unit housing, the electric elements in cavity it is mixed and disorderly be stacked on cavity
It is interior, cause the volume of filtering unit bigger, it is larger so as to when using filtering unit, occupy space, and filtering unit
During use, secondary coupled interference easily occurs, so as to influence the using effect of filtering unit.
The content of the invention
For the deficiency in the presence of prior art, it is an object of the invention to provide a kind of laser orientation system filtering group
Part, to solve in the prior art, because arrangement is unreasonable, to cause the volume of filtering unit bigger and easily occur secondary
The problem of coupled interference.
To achieve the above object, present invention employs following technical scheme：A kind of laser orientation system filtering unit, its
It is characterised by, including assembly housing, along its length by the first divides into power filter in the assembly housing
Cavity and signal transacting cavity, signal transacting cavity are filtered along assembly housing width by the second divides into punching
Cavity and signal filtering cavity；Power filter part, power filter cavity and punching filter are disposed with the power filter cavity
The punching formed including multiple feedthrough capacitors is provided with side wall between ripple cavity and filters part, is provided with signal filtering cavity
Signal filters part；
Signal filtering part includes circuit board, circuit board middle part along its length on be disposed with multiple sheet capacitors
Device, and network interface area and serial ports area for connecting circuit element are provided with circuit board, network interface area and serial ports area are located at chip electricity
The same side of container, network interface area include the multiple network interfaces arranged along circuit board length direction, and serial ports area is included along circuit board length
Multiple serial ports of direction arrangement.
Compared to prior art, the present invention has the advantages that：1st, this laser orientation system filtering unit is using
During, by the first demarcation strip and assembly housing is separated into independent power filter cavity by the second demarcation strip, punching is filtered
Ripple cavity and signal filtering cavity, set respectively in power filter cavity, punching filtering cavity and signal filtering cavity corresponding
Electric elements, avoid that secondary coupled interference phenomenon occurs, be separated into so as to improve filter effect, and inside assembly housing more
Individual independent cavity, sets corresponding electric elements in cavity, reasonably carries out coherent arrangement to each electric elements,
So as to reduce the volume of whole product；2nd, network interface and serial ports are set on circuit boards according to described arrangement so that
When by electric elements connection on circuit boards, electric elements carry out orderly arrangement, while coordinate the peace of chip capacitor
Dress mode, the space in signal filtering cavity is rationally make use of, further reduce electric elements and occupy space, reduce whole production
The volume of product.
Power filter cavity, punching filtering cavity and signal filtering cavity, the first inductance, the will be divided into inside assembly housing
Two inductance, the 3rd inductance, the 4th inductance, the first capacitor, the second capacitor, the 3rd capacitor and the 4th capacitor are according to certain
Mode is arranged in power filter cavity, while punching filtering part and signal filtering part is arranged in corresponding cavity, component
The all parts of enclosure interior carry out rational deployment, make assembly housing internal structure compact, and the occupancy for reducing all parts is empty
Between, so as to reduce the volume of whole product.
Brief description of the drawings
Fig. 1 is a kind of structural representation of laser orientation system filtering unit of the present invention；
Fig. 2 is Fig. 1 side view；
Fig. 3 is partial sectional views of the Fig. 1 from bottom direction；
Fig. 4 is Fig. 1 top view.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Assembly housing 1, power supply output line 2, output line 3, insulator 4,
Insulated conductor 5, power filter cavity 6, punching filtering cavity 7, feedthrough capacitor 8, circuit board 9, chip capacitor 10, the first inductance
11st, the second inductance 12, the 3rd inductance 13, the 4th inductance 14, the first capacitor 15, the second capacitor 16, the 3rd capacitor 17,
Four capacitors 18.
Embodiment
With reference to shown in 1~Fig. 4 of figure：A kind of laser orientation system filtering unit, including the assembly housing 1 being square, component
Housing 1 is detachably connected by groove housing with cover plate by screw, is easy to dismantle assembly housing 1；The one of assembly housing 1
Individual end set has power supply output line 2 and output line 3, and three insulators 4 are provided with a side wall of assembly housing 1,
More insulated conductors 5 are equipped with insulator, insulated conductor 5 is silver-plated copper core polytetrafluoroethylene film lapped insulation wire 5；
Power filter cavity 6, punching filtering cavity 7 and signal filtering cavity are arranged with assembly housing 1；Power filter cavity 6 and wear
Array is disposed with six feedthrough capacitors 8 in side wall between heart filtering cavity 7, is respectively labeled as a, b, c, d, e and f；Six are worn
Electrocardio holds 8 and installs to form punching filtering part by resin seal screw；Circuit board 9, circuit board 9 are provided with signal filtering cavity
On be electrically connected with multiple multi-layer ceramic chip capacitors 10 linearly set, circuit board 9 and multiple chip capacitors 10 are formed
Signal filters part.
Power filter part is provided with the power filter cavity 6, power filter part includes inductive bank, inductive bank bag
Include a pair of first inductance 11, a pair of second inductance 12, a pair of the 3rd inductance 13 and a pair of the 4th inductance 14, the first inductance 11,
Two inductance 12, the 3rd inductance 13 and the 4th inductance 14 are the hollow cylindrical-shaped structure in middle part, the first inductance 11 and the second inductance
12 and the 3rd inductance 13 and the 4th inductance 14 be divided into length direction of two row along power filter cavity 6 and be arranged at intervals, the first inductance
11st, the arcwall face of the second inductance 12 and the 3rd inductance 13 is connected with the inwall of power filter cavity 6, the end face of the 4th inductance 14
It is connected with the inwall of power filter cavity 6；The first electricity is provided between two the first inductance 11 and two the 3rd inductance 13
Container 15, the both ends of the first capacitor 15 are provided with the second capacitor 16, two the first inductance 11 and two the 3rd inductance 13
End away from the first capacitor 15 is provided with the 3rd capacitor 17, and is located at adjacent the first inductance 11 and the second inductance 12
The both ends of the 3rd capacitor 17 between the 3rd adjacent inductance 13 and the 4th inductance 14 are provided with the 4th capacitor 18；The
One capacitor 15, the second capacitor 16, the 3rd capacitor 17 and the 4th capacitor 18 include two end faces, the connection be arrangeding in parallel
Be arranged in parallel two planes between two end faces and it is connected to two arcs being connected between two end faces with two planes
Face；One cambered surface of the first capacitor 15 is connected with the inwall of power filter cavity 6, an end face of the second capacitor 16 with
The inwall of power filter cavity 6 is connected, the plane of the 3rd capacitor 17 between the 3rd inductance 13 and the 4th inductance 14
It is connected with the inwall of power filter cavity 6, the cambered surface and the inwall phase of power filter cavity 6 of remaining the 3rd capacitor 17
Connection, an end face of the 4th capacitor 18 is connected with the inwall of power filter cavity 6；By the first inductance 11, the second inductance
12nd, the 3rd inductance 13, the 4th inductance 14, the first capacitor 15, the second capacitor 16, the 3rd capacitor 17 and the 4th capacitor 18
It is arranged in a manner mentioned above in power filter cavity 6, while punching filtering part and signal filtering part is arranged on accordingly
In cavity, all parts inside assembly housing 1 carry out rational deployment, make the internal structure of assembly housing 1 compact, reduce each
The space-consuming of part, so as to reduce the volume of whole product.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (6)
1. a kind of laser orientation system filtering unit, it is characterised in that including assembly housing, in the assembly housing along its length
Direction is by the first divides into power filter cavity and signal transacting cavity, and signal transacting cavity is along assembly housing width
Direction filters cavity into punching by the second divides and signal filters cavity；Electricity is disposed with the power filter cavity
Source filter part, power filter cavity and punching, which filter, is provided with what is formed including multiple feedthrough capacitors in the side wall between cavity
Punching filters part, and signal filtering part is provided with signal filtering cavity；
Signal filtering part includes circuit board, circuit board middle part along its length on be disposed with multiple chip capacitors, and
The network interface area and serial ports area for connecting circuit element are provided with circuit board, network interface area and serial ports area are located at chip capacitor
The same side, network interface area include the multiple network interfaces arranged along circuit board length direction, and serial ports area is included along circuit board length direction cloth
The multiple serial ports put.
A kind of 2. laser orientation system filtering unit according to claim 1, it is characterised in that：The power filter part
Including inductive bank, the inductive bank includes a pair of first inductance, a pair of second inductance, a pair of the 3rd inductance and a pair the 4th electricity
Sense；First inductance and the second inductance and the 3rd inductance and the 4th inductance are divided into length direction of two row along power filter cavity
It is arranged at intervals；It is provided with the first capacitor between described two first inductance and two the 3rd inductance, the two of the first capacitor
End is provided with the second capacitor, and two the first inductance and two the 3rd ends of the inductance away from the first capacitor are provided with the
Three capacitors, and the 3rd electricity between adjacent the first inductance and the second inductance and the 3rd adjacent inductance and the 4th inductance
The both ends of container are provided with the 4th capacitor.
A kind of 3. laser orientation system filtering unit according to claim 2, it is characterised in that：First inductance,
Two inductance, the 3rd inductance and the 4th inductance are the hollow cylindrical-shaped structure in middle part.
A kind of 4. laser orientation system filtering unit according to claim 3, it is characterised in that：First inductance,
The arcwall face of two inductance and the 3rd inductance is connected with the inwall of power filter cavity, end face and the power filter chamber of the 4th inductance
The inwall of body is connected.
A kind of 5. laser orientation system filtering unit according to claim 2, it is characterised in that：First capacitor,
Second capacitor, the 3rd capacitor and the 4th capacitor include be arranged in parallel two end faces, be connected between two end faces
Two planes be arrangeding in parallel and it is connected to two cambered surfaces being connected between two end faces with two planes.
A kind of 6. laser orientation system filtering unit according to claim 5, it is characterised in that：First capacitor
One cambered surface is connected with the inwall of power filter cavity, an end face of the second capacitor and the inwall phase of power filter cavity
Connection, the plane of the 3rd capacitor between the 3rd inductance and the 4th inductance are connected with the inwall of power filter cavity,
One cambered surface of remaining the 3rd capacitor is connected with the inwall of power filter cavity, an end face of the 4th capacitor and power supply
The inwall of filtering cavity is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908062.6A CN107528560B (en) | 2017-09-29 | 2017-09-29 | Filtering component of laser positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908062.6A CN107528560B (en) | 2017-09-29 | 2017-09-29 | Filtering component of laser positioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107528560A true CN107528560A (en) | 2017-12-29 |
| CN107528560B CN107528560B (en) | 2023-12-22 |
Family
ID=60683926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710908062.6A Active CN107528560B (en) | 2017-09-29 | 2017-09-29 | Filtering component of laser positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107528560B (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 |
| CN110880865A (en) * | 2019-11-29 | 2020-03-13 | 重庆大及电子科技有限公司 | EMI filtering device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100008219A1 (en) * | 2008-07-14 | 2010-01-14 | U.D. Electronic Corp. | Automatic network signal diversion mechanism |
| CN102545220A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Shielding shelter power supply and signal combined filter for low leakage current and design method thereof |
| CN104467724A (en) * | 2014-12-29 | 2015-03-25 | 广东宽普科技股份有限公司 | Frequency-hopping filter with improved structure |
| CN204290902U (en) * | 2014-11-20 | 2015-04-22 | 重庆大及电子科技有限公司 | Integral filter |
| CN207368989U (en) * | 2017-09-29 | 2018-05-15 | 重庆大及电子科技有限公司 | A kind of laser orientation system filtering unit |
-
2017
- 2017-09-29 CN CN201710908062.6A patent/CN107528560B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100008219A1 (en) * | 2008-07-14 | 2010-01-14 | U.D. Electronic Corp. | Automatic network signal diversion mechanism |
| CN102545220A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Shielding shelter power supply and signal combined filter for low leakage current and design method thereof |
| CN204290902U (en) * | 2014-11-20 | 2015-04-22 | 重庆大及电子科技有限公司 | Integral filter |
| CN104467724A (en) * | 2014-12-29 | 2015-03-25 | 广东宽普科技股份有限公司 | Frequency-hopping filter with improved structure |
| CN207368989U (en) * | 2017-09-29 | 2018-05-15 | 重庆大及电子科技有限公司 | A kind of laser orientation system filtering unit |
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 |
| CN110880865A (en) * | 2019-11-29 | 2020-03-13 | 重庆大及电子科技有限公司 | EMI filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107528560B (en) | 2023-12-22 |
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