CN209105528U - A kind of good wind filtering window excessively of dustproof and waterproof - Google Patents

Abstract

The utility model relates to electrical equipment protection technology fields, more particularly to a kind of good wind filtering window excessively of dustproof and waterproof, including front cover and rear cover, front cover air port is offered on the front cover, is covered after described and is offered rear cover air port, is provided with filter assemblies between the front cover and the rear cover, the filter assemblies include filter layer, it is sheathed with filter frame outside the filter layer edge, the filter frame baffle of constraint filter frame is provided on the front cover, is covered after described and is provided with the filter frame top pillar for abutting to filter frame.What the technical solution provided, which crosses wind filtering window, can effectively block the pressure of water flow, the water for entering wind filtering window rear cover slightly can be flowed out from the effluent trough position that front cover and rear cover design, good waterproof performance, and it crosses between wind filtering window each group part and obtains encapsulation process at gap, dust granule is filtered out completely under the filtering of filter material, in the case where guaranteeing well-ventilated, the requirement of IP65 degree of protection is fully achieved, ensures electrical equipment safe operation.

Description

A kind of good wind filtering window excessively of dustproof and waterproof

Technical field

The utility model relates to electrical equipment protection technology fields, and in particular to a kind of filtering wind that dustproof and waterproof is good Window.

Background technique

In existing electrical equipment, due in equipment electronic component run when fever it is higher, need by ventilating system into Row active heat removal needs to install wind filtering window and is filtered in order to avoid the dust foreign matter in air enters in equipment.With The continuous improvement of electrical equipment precision is also increasingly stringenter the performance requirement for crossing wind filtering window, it is current cross wind filtering window also by Single dust reduction capability develops to multifunctional directions such as dustproof and waterproof insect prevention.

Currently, the highest degree of protection for crossing wind filtering window on the market is IP55, and the protection air regulator of IP55 grade is dust-proof It is still to be improved in terms of waterproof performance.In order to reach higher IP65 grade, need to solve there are two problem: first problem Be: dust-proof IP6X, the result of test must be that free from dust passed through wind filtering window and enters electrical equipment.National standard " shell protection grade (IP Code) GB_T 4208-2017 " (its standard IEC 60529:2013, IDT that correspond to International Electrotechnical Commission) test method summary It is as follows: the electrical equipment that surface was equipped with wind filtering window being placed in test container, while placing particle in test container Inside electric appliance is taken out negative pressure 2KPa and need to persistently be loaded with talcum by crossing wind filtering window by 2 kilograms of talcum powder of diameter≤75um The air of powder enters electrical equipment, the test mode continue it is 2 hours not small after, cannot have talcum powder in electrical equipment, that is, filter The test that air regulator passes through IP6X.

Second problem is: waterproof IPX5, and test must be all directions water spray, anhydrous to enter electrical equipment.National standard is " outer Shell degree of protection (IP code) GB_T 4208-2017 " (its standard IEC 60529:2013 for corresponding to International Electrotechnical Commission, IDT) test method is sketched: using (operating) water nozzle, all directions spray to surface according to following parameters and are equipped with the electrical of filtering vent window Equipment, without enter inside electric appliance, parameter: water flow, 12.5 ± 0.625L/min；Nozzle hydraulic pressure about 30kPa (0.3bar)； Minimum duration of test runs 3min.For this purpose, design it is a kind of meet IP65 requirement cross wind filtering window be of great significance.

Summary of the invention

The utility model embodiment is designed to provide a kind of good wind filtering window excessively of dustproof and waterproof, is prevented with reaching IP65 Protect the requirement of grade.

To achieve the above object, the utility model embodiment provides a kind of good wind filtering window excessively of dustproof and waterproof, including Front cover and rear cover offer front cover air port on the front cover, cover after described and offer rear cover air port, the front cover and it is described after Filter assemblies are provided between lid, the filter assemblies include filter layer, filter frame are sheathed with outside the filter layer edge, before described The filter frame baffle for being provided with constraint filter frame is covered, is covered after described and is provided with the filter frame top pillar for abutting to filter frame.

As an improvement of the above technical solution, it is covered after described and offers fan mounting holes.

As an improvement of the above technical solution, the filtering layer engaging slot of fixed filter layer is offered on the inside of the filter frame.

As an improvement of the above technical solution, filter frame clamping pad, the front cover are additionally provided between the filter frame and front cover On be provided with contacted with filter frame clamping pad fitting filtering top edge.

As an improvement of the above technical solution, it is provided with hard skeleton on the filter layer, on the hard skeleton uniformly Multiple folding shape slots are provided with, the filter layer constrains to form multiple equally distributed folds via folding shape slot.

As an improvement of the above technical solution, the front cover edge extends to form front cover flange to rear cover direction, after described Lid edge extends outward to form rear cover flange, and after the front cover and rear cover are bonded, rear cover flange is engaged to filter frame baffle and front cover Between flange.

As an improvement of the above technical solution, front cover sealing joint strip is provided between the rear cover flange and front cover flange.

As an improvement of the above technical solution, the side on the rear cover flange away from front cover flange offers rear cover sealing Slot is provided with rear cover sealing joint strip in the rear cover seal groove.

As an improvement of the above technical solution, front cover effluent trough is offered on the front cover flange, covers correspondence after described The position of front cover effluent trough is provided with rear cover effluent trough.

As an improvement of the above technical solution, it is dust-proof to be provided with water channel for the position of the front cover effluent trough and rear cover effluent trough Filter material.

What above scheme provided, which crosses wind filtering window, can effectively stop the pressure of water flow, enter the water on the inside of wind filtering window rear cover The water outlet slot structure outflow of design, good waterproof performance can be covered with after from front cover, and is crossed between wind filtering window each group part at gap Encapsulation process is obtained, dust granule is filtered out completely under the filtering of filter layer, in the case where guaranteeing well-ventilated, completely Reach the requirement of IP65 degree of protection, guarantees electrical equipment safe operation.

Detailed description of the invention

Fig. 1 is that solid of the wind filtering window close to front cover side of crossing that a kind of dustproof and waterproof is good in the utility model embodiment is shown It is intended to.

Fig. 2 is that solid of the wind filtering window close to rear cover side of crossing that a kind of dustproof and waterproof is good in the utility model embodiment is shown It is intended to.

Fig. 3 is the fission knot for crossing wind filtering window close to front cover side that a kind of dustproof and waterproof is good in the utility model embodiment Structure schematic diagram.

Fig. 4 is the fission knot for crossing wind filtering window close to rear cover side that a kind of dustproof and waterproof is good in the utility model embodiment Structure schematic diagram.

Fig. 5 is the schematic diagram of internal structure for crossing wind filtering window that a kind of dustproof and waterproof is good in the utility model embodiment.

Fig. 6 is the structural schematic diagram that the front cover of wind filtering window is crossed in the utility model embodiment.

Fig. 7 is the structural schematic diagram that the filter layer of wind filtering window is crossed in the utility model embodiment.

Fig. 8 is the structural schematic diagram that the hard skeleton of wind filtering window is crossed in the utility model embodiment.

Fig. 9 is the structural schematic diagram that the rear cover of wind filtering window is crossed in the utility model embodiment.

In figure: 10- front cover, 11- front cover flange, 12- front cover air port, 13- filter frame baffle, 14- filtering top edge, 20- filter frame, 21- filtering layer engaging slot, 30- filter layer, 31- fold, 40- filter frame clamping pad, 50- hard skeleton, 51- folding shape slot, 60- rear cover, 61- rear cover flange, 62- rear cover air port, 63- filter frame top pillar, 64- rear cover effluent trough, 65- fan mounting holes, lid sealant after 70- Item, 71- front cover sealing joint strip, the dust-proof filter material of 80- water channel, 101- front cover mounting hole, 131- front cover effluent trough, the positioning of 601- rear cover Hole, 611- rear cover seal groove.

Specific embodiment

Illustrate the embodiments of the present invention below by way of specific embodiment, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the utility model easily.

It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model In the range of Rong get Neng is covered.Meanwhile in this specification cited such as "upper", "lower", "inner" term, be merely convenient to Narration is illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, in no essence It changes under technology contents, when being also considered as the enforceable scope of the utility model.

In the description of following embodiments unless specifically defined or limited otherwise, term " setting ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection can also can be the mutual of connection inside two elements or two elements indirectly connected through an intermediary Interactively, unless otherwise restricted clearly.For the ordinary skill in the art, can understand as the case may be The concrete meaning of above-mentioned term in the present invention.

As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, it is good to provide firstly a kind of dustproof and waterproof for the utility model embodiment Cross wind filtering window, including front cover 10 and rear cover 60 offer front cover air port 12 on front cover 10, rear cover air port are offered on rear cover 60 62, filter assemblies are provided between front cover 10 and the rear cover 60, filter assemblies include filter layer 30,30 edge housing of filter layer Conjunction has filter frame 20, and the filter frame baffle 13 of constraint filter frame 20 is provided on front cover 10, is provided on rear cover 60 and abuts to filter frame 20 Filter frame top pillar 63.

Above scheme is using front cover 10, the composite construction of filter assemblies and rear cover 60, the interior setting of the filter frame 20 of filter assemblies There is filter layer 30, in order to carry out constraint positioning to filter frame 20, the filter frame baffle 13 of fixed filter frame 20, filter frame are provided on front cover 10 The number of baffle 13 is four, and four filter frame baffles 13 enclose " mouth " font, carry out enclosing fixation, while filter frame to filter frame 20 Baffle 13 is integrally formed structures with front cover 10, can be improved the close journey of contact between 20 edge of filter frame and filter frame baffle 13 Degree, avoids dust from entering the region of rear cover 60 from the gap between 20 edge of filter frame and front cover 10, thus around filter layer 30 Filtering.It is provided with the filter frame top pillar 63 for abutting to filter frame 20 on rear cover 60, filter frame 20 is supported by filter frame top pillar 63, protects Filter frame 20 is reliable and stable is fixed between front cover 10 and rear cover 60 for card.Filter frame compression is additionally provided between filter frame 20 and front cover 10 Pad 40, filter frame clamping pad 40, filter frame baffle 13, filter frame top pillar 63 are supported fixation to three sides of filter frame 20 respectively.Before It is provided with the filtering top edge 14 for contacting fitting with filter frame clamping pad 40 on lid 10, front cover 10 is improved to filter frame by filtering top edge 14 Fitting effect when clamping pad 40 contacts improves dust-proof effect.

Further, fan mounting holes 65 are offered on rear cover 60, fan component can be installed by fan mounting holes 65 (not shown), after combination fan or individual wind filtering window of crossing can be such that inside electric appliance and the external air that carries out well hands over It changes, plays the role of cooling, and dust-proof, waterproof reaches the degree of protection of IP65, ensure the safe and stable fortune of electrical equipment Row.

The filtering layer engaging slot 21 of fixed filter layer 30 is offered on the inside of filter frame 20, the effect of filtering layer engaging slot 21 is to filtering Layer 30 carries out constraint fixation, filter layer 30 can using papery in the prior art, metal mesh, metal powder sintered, PP filter core, Stratiform filtering material made of the materials such as fabric, active carbon.

As shown in Figure 7, Figure 8, in order to prevent it is distinguished and admirable it is excessive caused by filter layer 30 deform, can be arranged on filter layer 30 There is hard skeleton 50, multiple folding shape slots 51 is evenly arranged on the hard skeleton 50, the filter layer 30 is via folding shape slot 51 Constraint forms multiple equally distributed folds 31.There are two the effects of hard skeleton 50, and first is that can make the formation of filter layer 30 The filter layer 30 of the fold morphology of multilayer folding, greatly improves filter area, 30 energy of filter layer under the constraint of hard skeleton 50 It is enough to guarantee folded form in use；Second is because filter layer 30 has certain flexibility, in distinguished and admirable or water spray In experiment, filter layer 30 is easily deformed, therefore the anti-fight energy of filter layer 30 is improved using hard skeleton 50, dispersion Distinguished and admirable and water flow pressure, improves the stability of 30 structure of filter layer.

As shown in Fig. 6, Fig. 9,10 edge of front cover extends to form front cover flange 11 to 60 direction of rear cover, and 60 edge of rear cover is outside Rear cover flange 61 is extended to form, after front cover 10 and rear cover 60 are bonded, rear cover flange 61 is engaged to filter frame baffle 13 and front cover flange Between 11.In installation process, front cover 10 and rear cover 60 are engaged and are fixed by front cover flange 11 and rear cover flange 61.

It is provided with front cover sealing joint strip 71 between rear cover flange 61 and front cover flange 11, is turned on rear cover flange 61 away from front cover The side on side 11 offers rear cover seal groove 611, is provided with rear cover sealing joint strip 70 in the rear cover seal groove 611.This is preferably Front cover sealing joint strip 71 and rear cover sealing joint strip 70 can make the seam of front cover 10 and rear cover 60 completely enclosed in scheme, avoid ash Dirt and water were entered in wind filtering window by gap between the two.Front cover sealing joint strip 71 and rear cover sealing joint strip 70 can be adopted With resilient flexible sealant in the prior art or sealant.

In above scheme, front cover effluent trough 131 is offered on front cover flange 11, front cover effluent trough is corresponded on rear cover 60 131 position is provided with rear cover effluent trough 64, and the effect of front cover effluent trough 131 and rear cover effluent trough 64 is guidance via front cover wind Mouth 12 entered the outflow of the water in wind filtering window.In order to avoid having dust entrance at front cover effluent trough 131 and rear cover effluent trough 64 It arrived in wind filtering window, and was provided with the dust-proof filter material 80 of water channel in the position of front cover effluent trough 131 and rear cover effluent trough 64, water channel is dust-proof 80 main structure of filter material is the pleated structure similar with filter layer 30, and the installation dust-proof filter material of water channel dust after 80s can not pass through water channel Dust-proof filter material 80 is externally entering, while the structure on dust-proof 80 surface of filter material of water channel can permit filtering wind in the case where dust-proof Water outflow in window.

Front cover mounting hole 101 is offered on front cover 10, and it is fixed that the rear cover cooperated with front cover mounting hole 101 is offered on rear cover 60 Position hole 601, is fixed for example, by fasteners such as bolt, screws between front cover mounting hole 101 and rear cover location hole 601, draws It is tight and improved the sealing intensity between each component of wind filtering window.

Front cover 10 can pass through injection molding using plastics, and front cover air port 12 can be the grid front cover of multiple grid forms Air port or other ventilation structures a degree of can change front cover air port using the grid front cover air port of oblique design Direction avoids the direct splash of water flow from entering in wind filtering window, plays the role of a degree of dust and water protection.

Above-mentioned wind filtering window excessively is combined installation by following steps:

Firstly, the installation of filter assemblies is put into the filtering layer of filter frame 20 after fixing filter layer 30 by hard skeleton 50 In engaging slot 21, then filter frame clamping pad 40 and filter frame 20 are put into order in the filter frame baffle 13 of front cover 10, by water channel Dust-proof filter material 80 is installed to the position of front cover effluent trough 131, completes the installation of filter assemblies；

Then, by the front end face of rear cover 60 towards the side for deviating from front cover 10 on filter assemblies has been installed, by rear cover 60 Rear cover flange 61 fit in the front cover flange 11 of front cover 10, between rear cover flange 61 and front cover flange 11 coat one layer before Lid sealant item 71；

Later, it is fastened by bolts part front cover mounting hole 101 and rear cover location hole 601 is fixed, completed wind filtering window Combination crosses wind filtering window for assembled, is mounted on electrical appliance enclosure, close in the rear cover of electrical appliance enclosure and rear cover flange 61 One layer of rear cover sealing joint strip 70 is coated between sealing groove 611, makes seamless between rear cover flange 61 and electrical appliance enclosure, that is, is completed Cross installation of the wind filtering window on electrical equipment.

Under the action of bolt fastener, the front cover flange 11 of front cover 10 is fitted on the rear cover flange 61 of rear cover 60, is made Front cover 10 and rear cover 60 are bonded completely, improve dust-proof, waterproof effect；Filter frame 20, filter frame baffle 13 and the filtering top of filter assemblies It is fitted closely along 14, realizes dust-proof, the waterproof in the gap between filter assemblies and front cover 10；Using the front cover air port of lattice structure 12 can stop from 10 oblique upper of front cover, a front surface and a side surface and come distinguished and admirable and water flow, and filter layer 30 use hard skeleton 50 are supported fixation, can stop from the distinguished and admirable and water flow come from 10 obliquely downward of front cover, the impact resistance of filter layer 30 Good, water proof and dust proof performance is stablized.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model embodiment, it can be made some modifications or improvements, this is to those skilled in the art Obviously.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to this reality With novel claimed range.

Claims (10)

1. a kind of good wind filtering window excessively of dustproof and waterproof, which is characterized in that including front cover and rear cover, before being offered on the front cover Lid air port covers after described and offers rear cover air outlet, and filter assemblies, the mistake are provided between the front cover and the rear cover Filtering component includes filter layer, and filter frame is sheathed with outside the filter layer edge, and the filter frame gear of constraint filter frame is provided on the front cover Plate covers after described and is provided with the filter frame top pillar for abutting to filter frame.

2. what a kind of dustproof and waterproof was good as described in claim 1 crosses wind filtering window, which is characterized in that cover and offer after described Fan mounting holes.

3. what a kind of dustproof and waterproof was good as described in claim 1 crosses wind filtering window, which is characterized in that opened up on the inside of the filter frame There is the filtering layer engaging slot of fixed filter layer.

4. a kind of dustproof and waterproof as described in claim 1 it is good cross wind filtering window, which is characterized in that the filter frame and front cover it Between be additionally provided with filter frame clamping pad, be provided on the front cover contacted with filter frame clamping pad fitting filtering top edge.

5. what a kind of dustproof and waterproof was good as described in claim 1 crosses wind filtering window, which is characterized in that be arranged on the filter layer Have hard skeleton, be evenly arranged with multiple folding shape slots on the hard skeleton, the filter layer constrained via folding shape slot to be formed it is more A equally distributed fold.

6. what a kind of dustproof and waterproof was good as described in claim 1 crosses wind filtering window, which is characterized in that the front cover edge is backward Lid direction extends to form front cover flange, and the rear cover edge extends outward to form rear cover flange, after the front cover and rear cover are bonded, Rear cover flange is engaged between filter frame baffle and front cover flange.

7. what a kind of dustproof and waterproof was good as claimed in claim 6 crosses wind filtering window, which is characterized in that the rear cover flange is with before Front cover sealing joint strip is provided between lid flange.

8. what a kind of dustproof and waterproof was good as claimed in claim 7 crosses wind filtering window, which is characterized in that carried on the back on the rear cover flange Side from front cover flange offers rear cover seal groove, is provided with rear cover sealing joint strip in the rear cover seal groove.

9. what a kind of dustproof and waterproof was good as claimed in claim 6 crosses wind filtering window, which is characterized in that opened on the front cover flange Equipped with front cover effluent trough, the position that corresponding front cover effluent trough is covered after described is provided with rear cover effluent trough.

10. what a kind of dustproof and waterproof was good as claimed in claim 9 crosses wind filtering window, which is characterized in that the front cover effluent trough The position of rear cover effluent trough is provided with the dust-proof filter material of water channel.