CN107734930A - Wave filter with moisture proof function - Google Patents
Wave filter with moisture proof function Download PDFInfo
- Publication number
- CN107734930A CN107734930A CN201710992299.7A CN201710992299A CN107734930A CN 107734930 A CN107734930 A CN 107734930A CN 201710992299 A CN201710992299 A CN 201710992299A CN 107734930 A CN107734930 A CN 107734930A
- Authority
- CN
- China
- Prior art keywords
- wave filter
- layer
- shielding box
- heat
- steam
- 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.)
- Withdrawn
Links
- 238000001035 drying Methods 0.000 claims abstract description 40
- 238000009413 insulation Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 239000005439 thermosphere Substances 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses the wave filter with moisture proof function, including shielding box, wave filter, the wave filter is arranged on the inside of shielding box, wave filter is electrically connected with pin, the pin is through shielding box and is fixed on shielding box outer surface, drying layer, heat dissipating layer are provided between the shielding box and wave filter, the heat dissipating layer is provided with damp-proof layer between drying layer and wave filter on the outside of the shielding box.Damp-proof layer filters out a part of steam in air, prevents excessive steam from entering inside shielding box and wave filter is impacted.Drying layer sponges the steam entered by damp-proof layer inside shielding box；Combustion thermosphere dredges heat caused by wave filter work, heat is by heat dissipating layer by heat dissipation to drying layer, the steam that heat absorbs to drying layer plays evaporation, it is easy to drying layer to recycle, heat dissipating layer further prevents steam from being impacted to wave filter simultaneously, ensures that wave filter is in a good working environment all the time.
Description
Technical field
The present invention relates to electromagnetic interface filter, and in particular to has the wave filter of moisture proof function.
Background technology
The low-pass filter circuit that the electromagnetic interface filter of standard is generally made up of current-limiting reactor and shunt capacitor, it is acted on
It is to allow frequency signal during equipment normal work to enter equipment, and has larger inhibition to the interference signal of high frequency.Electricity
Source line is the incoming equipment of interference and the main path for spreading out of equipment, and by power line, the interference of power network can be passed to equipment, interference
The normal work of equipment, interference caused by same equipment may also be passed on power network by power line, disturbing other equipment just
Often work.Different from general wave filter, electric capacity has used two kinds of subscripts in electromagnetic interface filter typical structure, is connected to phase line with
Between line, referred to as differential mode capacitor is connected between phase line or center line and ground, referred to as common mode capacitance, subscript X and Y not illustrate only it
Effect in filter circuit, moreover it demonstrates that its safe class in filter circuit.All must when designing or from wave filter
The security performance of this two classes electric capacity must be taken into full account, because it is directly connected to the security performance of filter network.
In the prior art, electromagnetic interface filter be present and work can be affected in wet condition, while electromagnetic interface filter uses
Differential mode capacitor, can produce certain heat, heat sheds not in time can influence the work of electromagnetic interface filter during work
Effect.
The content of the invention
The present invention solves electromagnetic interface filter existing for prior art and works can be affected in wet condition, while EMI
Wave filter employs differential mode capacitor, certain heat can be produced during work, heat sheds not in time can influence EMI filters
The problem of working effect of ripple device, there is provided there is the wave filter of moisture proof function, electromagnetic interface filter can be in moist ring when it is applied
Normal work in border, while heat caused by electromagnetic interface filter work is carried out dredging discharge by heat dissipating layer, and will the row of dredging
The heat gone out is used for the dehumidifying of drying layer.
The present invention is achieved through the following technical solutions：
Wave filter with moisture proof function, including shielding box, wave filter, the wave filter are arranged on the interior of shielding box
Portion, wave filter are electrically connected with pin, and the pin is through shielding box and is fixed on shielding box outer surface, the shielding box with
Drying layer, heat dissipating layer are provided between wave filter, the heat dissipating layer is between drying layer and wave filter, outside the shielding box
Side is provided with damp-proof layer.The present invention is provided with damp-proof layer in the outer surface of shielding box, and damp-proof layer filters out the part in air
Steam, prevent excessive steam from entering inside shielding box and wave filter is impacted.Set between shielding box and wave filter
There are drying layer and heat dissipating layer, the setting of drying layer is to be entered to further sponge by damp-proof layer inside shielding box
Steam；The setting of combustion thermosphere is on the one hand to dredge heat caused by wave filter work, and another aspect heat passes through heat dissipating layer
By heat dissipation to drying layer, the steam that heat absorbs to drying layer plays evaporation, is easy to drying layer to recycle, and dissipates simultaneously
Thermosphere further prevents steam from being impacted to wave filter, ensures that wave filter is in a good working environment all the time.
Further, there is the wave filter of moisture proof function, the damp-proof layer includes vapour-binding film, heat-insulation layer, waterproof and breathable
Film, the heat-insulation layer are arranged between vapour-binding film and waterproof ventilated membrane, and waterproof ventilated membrane is pasted onto shielding box outer surface.It is moistureproof
Layer is that slow down the speed that indoor steam discharges to heat-insulation layer using vapour-binding film, and water-proof air-permeable film is effectively fast by heat-insulation layer steam
Speed emits, and ensures that steam is effectively obstructed in the outside of damp-proof layer, ensures wave filter normal work in wet condition.
Further, there is the wave filter of moisture proof function, the drying layer is made of sponge.Using sponge be in order to
It is easy to be absorbed into the steam in shielding box, avoids wave filter from being influenceed by steam.
Further, there is the wave filter of moisture proof function, the heat dissipating layer is made of thermal grease.Thermal grease is fitted
The heat transfer demand of limited space is closed, there is good pyroconductivity, is easy to the row of dredging in time of heat caused by wave filter work
Go out, avoid because heat can not in time discharge and cause wave filter to be affected, while the heat dissipation of discharge will be dredged to drying
Layer is effectively dehumidified, and is easy to drying layer to recycle.
Further, there is the wave filter of moisture proof function, humidity sensor is provided between the shielding box and wave filter
Device, the humidity sensor are arranged on inside drying layer, and the humidity sensor is connected with receiving terminal.Set inside drying layer
Put humidity sensor and be for the ease of the working environment humidity of wave filter in monitoring shielding box, and humidity is shown by receiving terminal
Data, it is easy to administrative staff to understand the working environment humidity of wave filter, takes measures in time.
Further, there is the wave filter of moisture proof function, the receiving terminal is PC.It is in order to wet using PC
Degrees of data is shown, while PC is popular and cost is cheap, convenient to carry out.
The present invention has the following advantages and advantages compared with the prior art：
1st, the present invention has the wave filter of moisture proof function, and damp-proof layer filters out a part of steam in air, prevented
More steam enters inside shielding box and wave filter is impacted；The setting of combustion thermosphere is on the one hand to dredge wave filter work
Heat caused by work, the steam that another aspect heat is absorbed heat dissipation to drying layer, heat to drying layer by heat dissipating layer
Evaporation is played, is easy to drying layer to recycle, while heat dissipating layer further prevents steam from being impacted to wave filter, ensures filter
Ripple device is in a good working environment all the time.
2nd, the present invention has the wave filter of moisture proof function, and thermal grease is adapted to the heat transfer demand of limited space, had
Good pyroconductivity, it is easy to heat caused by wave filter work to dredge discharge in time, avoids because heat can not discharge in time
Cause wave filter to be affected, while the heat dissipation for dredging discharge to drying layer is effectively dehumidified, be easy to drying layer
Recycle.
3rd, the present invention has the wave filter of moisture proof function, and it is for the ease of prison that humidity sensor is set inside drying layer
The working environment humidity of wave filter in shielding box is surveyed, and humidity data is shown by receiving terminal, is easy to administrative staff to understand filter
The working environment humidity of ripple device, takes measures in time.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is schematic layout pattern of the present invention.
Mark and corresponding parts title in accompanying drawing：
1- shielding boxs, 2- wave filters, 3- pins, 4- vapour-binding films, 5- heat-insulation layers, 6- waterproof ventilated membranes, 7- drying layers, 8- dissipate
Thermosphere, 9- damp-proof layers, 10- humidity sensors, 11- receiving terminals.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figure 1-2, there is the wave filter of moisture proof function, including shielding box 1, wave filter 2, the wave filter 2 are set
Put in the inside of shielding box 1, wave filter 2 is electrically connected with pin 3, and the pin 3 is through shielding box 1 and is fixed on shielding box 1
Outer surface, is provided with drying layer 7, heat dissipating layer 8 between the shielding box 1 and wave filter 2, the drying layer 7 uses sponge system
Into the heat dissipating layer 8 is between drying layer 7 and wave filter 2, and the heat dissipating layer 8 is made of thermal grease, the shielding box
1 outside is provided with damp-proof layer 9, and the damp-proof layer 9 includes vapour-binding film 4, heat-insulation layer 5, waterproof ventilated membrane 6, and the heat-insulation layer 5 is set
Put between vapour-binding film 4 and waterproof ventilated membrane 6, waterproof ventilated membrane 6 is pasted onto the outer surface of shielding box 1, the shielding box 1 and filter
Humidity sensor 10 is provided between ripple device 2, the humidity sensor 10 is arranged on inside drying layer 7, the humidity sensor
10 are connected with receiving terminal 11, and the receiving terminal 11 is PC.
The present invention is provided with damp-proof layer 9 in the outer surface of shielding box, and it is saturating that damp-proof layer 9 includes vapour-binding film 4, heat-insulation layer 5, waterproof
Air film 6, the heat-insulation layer 5 are arranged between vapour-binding film 4 and waterproof ventilated membrane 6, and waterproof ventilated membrane 6 is pasted onto the outside of shielding box 1
Surface.Damp-proof layer 9 is that slow down the speed that indoor steam discharges to heat-insulation layer 5 using vapour-binding film 4, and water-proof air-permeable film 6 is effective
The steam of heat-insulation layer 5 is emitted rapidly, ensures that steam is effectively obstructed and filters out sky in the outside of damp-proof layer 9, damp-proof layer 9
A part of steam in gas, prevent excessive steam from entering inside shielding box 1 and wave filter 2 is impacted.Shielding box 1 with
Drying layer 7 and heat dissipating layer 8 are provided between wave filter 2, the setting of drying layer 7 is to pass through damp-proof layer to further sponge
9 steam entered inside shielding box 1；Thermal grease is adapted to the heat transfer demand of limited space, has good pyroconductivity,
Be easy to wave filter 2 work caused by heat dredge discharge in time, avoid because of heat can not discharge in time cause wave filter 2 by
Influence, while the heat dissipation for dredging discharge is effectively dehumidified to drying layer 7, be easy to drying layer 7 to recycle, be easy to
Drying layer 7 recycles, while heat dissipating layer 8 further prevents steam from being impacted to wave filter 2, ensures that wave filter 2 is located all the time
In a good working environment.
Embodiment 2
On the basis of embodiment 1, humidity sensor 10 is provided with drying layer 7, humidity sensor 40 is used to gather
Humidity data in shielding box 1, humidity sensor 10 are connected with receiving terminal 11, and receiving terminal 11 uses PC, for receiving
Data that humidity sensor 10 gathers, and by humidity data by PC real-time display, screen unlocking of being easy to administrative staff real-time
The running environment humidity of wave filter 2 in box 1.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (6)
1. the wave filter with moisture proof function, it is characterised in that including shielding box (1), wave filter (2), the wave filter (2)
The inside of shielding box (1) is arranged on, wave filter (2) is electrically connected with pin (3), and the pin (3) is through shielding box (1) and consolidates
Due to being provided with drying layer (7), heat dissipating layer (8) between shielding box (1) outer surface, the shielding box (1) and wave filter (2),
The heat dissipating layer (8) is located between drying layer (7) and wave filter (2), and damp-proof layer (9) is provided with the outside of the shielding box (1).
2. the wave filter according to claim 1 with moisture proof function, it is characterised in that the damp-proof layer (9) includes
Vapour-binding film (4), heat-insulation layer (5), waterproof ventilated membrane (6), the heat-insulation layer (5) are arranged on vapour-binding film (4) and waterproof ventilated membrane (6)
Between, waterproof ventilated membrane (6) is pasted onto shielding box (1) outer surface.
3. the wave filter according to claim 1 with moisture proof function, it is characterised in that the drying layer (7) uses
Sponge is made.
4. the wave filter according to claim 1 with moisture proof function, it is characterised in that the heat dissipating layer (8) uses
Thermal grease is made.
5. the wave filter according to claim 1 with moisture proof function, it is characterised in that the shielding box (1) and filter
Humidity sensor (10) is provided between ripple device (2), the humidity sensor (10) is arranged on drying layer (9) inside, described wet
Degree sensor (10) is connected with receiving terminal (11).
6. the wave filter according to claim 5 with moisture proof function, it is characterised in that the receiving terminal (11) is
PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992299.7A CN107734930A (en) | 2017-10-23 | 2017-10-23 | Wave filter with moisture proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992299.7A CN107734930A (en) | 2017-10-23 | 2017-10-23 | Wave filter with moisture proof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107734930A true CN107734930A (en) | 2018-02-23 |
Family
ID=61212336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710992299.7A Withdrawn CN107734930A (en) | 2017-10-23 | 2017-10-23 | Wave filter with moisture proof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107734930A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934153A (en) * | 2018-09-25 | 2018-12-04 | 南京禾鑫坊电子科技有限公司 | A kind of filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000110A (en) * | 1999-06-04 | 2001-01-05 | 이정현 | Micro-cooling system |
| CN103618516A (en) * | 2013-11-14 | 2014-03-05 | 深圳振华富电子有限公司 | Emi filter |
| CN205565434U (en) * | 2016-04-13 | 2016-09-07 | 南通日安电气有限公司 | Automatic type electrical switchgear |
| CN206490655U (en) * | 2017-02-27 | 2017-09-12 | 苏州宝迈通讯科技有限公司 | Water proofing property filter housing |
| CN207340432U (en) * | 2017-10-23 | 2018-05-08 | 成都旭思特科技有限公司 | Suitable for the wave filter of wet environment |
-
2017
- 2017-10-23 CN CN201710992299.7A patent/CN107734930A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000110A (en) * | 1999-06-04 | 2001-01-05 | 이정현 | Micro-cooling system |
| CN103618516A (en) * | 2013-11-14 | 2014-03-05 | 深圳振华富电子有限公司 | Emi filter |
| CN205565434U (en) * | 2016-04-13 | 2016-09-07 | 南通日安电气有限公司 | Automatic type electrical switchgear |
| CN206490655U (en) * | 2017-02-27 | 2017-09-12 | 苏州宝迈通讯科技有限公司 | Water proofing property filter housing |
| CN207340432U (en) * | 2017-10-23 | 2018-05-08 | 成都旭思特科技有限公司 | Suitable for the wave filter of wet environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934153A (en) * | 2018-09-25 | 2018-12-04 | 南京禾鑫坊电子科技有限公司 | A kind of filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180223 |
|
| WW01 | Invention patent application withdrawn after publication |