CN109874240B - Power panel protective housing - Google Patents
Power panel protective housing Download PDFInfo
- Publication number
- CN109874240B CN109874240B CN201711269222.3A CN201711269222A CN109874240B CN 109874240 B CN109874240 B CN 109874240B CN 201711269222 A CN201711269222 A CN 201711269222A CN 109874240 B CN109874240 B CN 109874240B
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- China
- Prior art keywords
- shell
- cover
- protruding part
- main body
- hole
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- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 4
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000003892 spreading Methods 0.000 abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a power panel protective housing which comprises an outer housing and an inner housing, wherein the inner housing is provided with an inner cavity for accommodating a power panel, the outer housing is sleeved outside the inner housing, and the outer housing and the inner housing are provided with wire through holes for communicating the inner cavity with the outside. The protective shell of the power panel of the invention has the advantages that by adopting the double-layer protective structure of the outer shell and the inner shell, the effect of preventing accidental combustion to the outside of the power supply box is better achieved. The inner shell adopts plastic material to play insulating effect, prevents to be located its inside circuit short circuit, and the dustcoat adopts metal material to play fire-retardant effect, in case the power strip produces the fire, prevents that the fire from spreading to the power pack outside.
Description
Technical Field
The invention relates to a protective housing, in particular to a protective housing of a power panel.
Background
Along with the more and more kinds of household electrical appliances, the circuit board of electrical appliances passes through the connector and is connected with the power strip, if there is dust accumulation to cause the short circuit easily around the connector, leads to the electric current to surge and produces high heat, causes the emergence of power strip burning condition. The ignition of the power panel is easy to cause the combustion of the whole machine, even the combustion outside the machine, the ignition of other appliances or furniture by the user results in a more serious hazard.
Even if the shell adopts the material that fire-retardant grade is high, can make fire-retardant material melt when the power strip lasts unexpected burning and generates heat, burn through the shell, burn to outside, still can cause serious fire accident.
Disclosure of Invention
The invention provides a protective shell of a power panel, which aims to solve the technical problem that the existing power panel is poor in flame retardant safety protection.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
the utility model provides a power strip protective housing, includes dustcoat and inner shell, the inner shell has the inner chamber that is used for holding the power strip, the dustcoat cover is established the outside of inner shell, have on dustcoat and the inner shell and be used for with the wire hole of inner chamber and outside intercommunication.
Further, the inner shell comprises a front shell and a rear shell, the front shell and the rear shell are detachably and fixedly connected, an inner cavity for accommodating the power panel is formed between the front shell and the rear shell, a connector assembly opening is formed in the front shell or the rear shell, and a connector located in the inner cavity at least partially extends out of the connector assembly opening.
Further, the rear shell is of a semi-closed structure with an open front end face, the front shell is of a semi-closed structure with an open rear end face, and the rear shell is matched with the front shell when the front shell is fixed.
Further, the front panel of the front shell is provided with an outwards-protruding inverted T-shaped protruding portion, and the connector assembly opening is formed in the front panel of the front shell and located on one side of the vertical edge of the protruding portion.
Further, the inner side of the protruding portion is a concave cavity corresponding to the protruding portion, the concave cavity is communicated with the inner cavity, and the power panel at least partially stretches into the concave cavity.
Further, the dustcoat includes main part and front bezel, the main part is preceding and the open semi-closed structure in bottom surface, front bezel detachable fixes the preceding open department of main part, the inner shell is followed the open mouth in bottom of main part inserts to in the dustcoat, the perpendicular intersection face of the horizontal limit and the perpendicular limit of bulge with the dustcoat and the front bezel of preceding shell encloses into the multiaspect cavity, multiaspect cavity is used for the holding to be connected with connector's plug and plug line.
Further, the front plate is of a T-shaped plate structure, the length of the vertical edge of the front plate is not smaller than the height of the horizontal edge of the protruding portion, the wire passing hole is formed by the horizontal edge and the vertical edge of the front plate, the horizontal edge and the vertical edge of the protruding portion and the side edge of the outer cover in a surrounding mode, the wire passing hole is communicated with the cavities of the multiple faces, and the plug wire penetrates out of the wire passing hole.
Further, the side edge of the main body is provided with a flanging towards the front opening of the main body, and the front plate is fixed with the flanging.
Further, the bottom of at least one side of the front shell is provided with a first outward turned edge which turns outward, one side of the bottom of the main body corresponding to the first outward turned edge is provided with a second outward turned edge, the bottom edge of the rear shell is provided with an extending edge which extends to two sides, and the positions corresponding to the first outward turned edge, the second outward turned edge and the extending edge are respectively provided with an assembly hole.
Further, a first through hole is formed in the side edge of the inner shell, a second through hole is formed in the side edge of the outer shell, and when the inner shell is assembled in the outer shell, the first through hole is aligned with the second through hole.
Further, the outer cover is made of metal, and the inner shell is made of plastic.
Compared with the prior art, the invention has the advantages and positive effects that: according to the power panel protective housing, through the double-layer protective structure of the outer cover and the inner cover, the effect of preventing accidental combustion to the outside of the power box is achieved better. The inner shell adopts plastic material to play insulating effect, prevents to be located its inside circuit short circuit, and the dustcoat adopts metal material to play fire-retardant effect, in case the power strip produces the fire, prevents that the fire from spreading to the power pack outside.
Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a power panel protection shell according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a view of the inner shell of FIG. 1 a partial structural schematic;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a schematic structural diagram of an embodiment of a water purifier according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a power panel protection shell, as shown in fig. 1, including outer cover 1 and inner shell 2, have the inner chamber 24 that is used for holding the power panel in the inner shell 2, outer cover 1 cover is established in the outside of inner shell 2, has the wire hole 3 that is used for communicating inner chamber 24 with the outside on outer cover 1 and the inner shell 2. When the power panel protective housing of this embodiment is in use, the power panel is fixed in inner chamber 24, and the outside at inner shell 2 is established to dustcoat 1 cover, and the power panel passes through the wire and is connected with devices such as external circuit board, solenoid valve, and the wire passes this wire hole 3, and one end passes through the connector and is connected with the power panel, and other one end is connected with devices such as external circuit board, solenoid valve, through dustcoat 1 and the double-deck protective structure of inner shell 2, reaches better effect that prevents unexpected burning to the power pack outside.
In this embodiment, the inner shell 2 is preferably made of plastic material, which can play an insulating role, prevent the circuit inside from being shorted, the plastic material itself is a material with high flame retardant level, and can play a flame retardant role to a certain extent, the outer cover 1 is made of metal material, which can effectively play a flame retardant role, once the power panel generates fire, the fire is prevented from spreading outside the power box, the metal outer cover 1 is arranged outside the inner shell 2 made of plastic material and is not in direct contact with the power panel, the wires and other electrical devices, so that the occurrence of short circuit caused by the metal outer cover can be avoided.
As a preferred embodiment, for convenience in assembling the power panel in the inner cavity, the inner housing 2 preferably includes a front housing 21 and a rear housing 22, the front housing 21 and the rear housing 22 are detachably and fixedly connected, and an inner cavity 24 for accommodating the power panel is enclosed between the front housing 21 and the rear housing 22, the inner cavity 24 is a closed cavity, the power panel is fixed in the inner cavity, a connector assembly opening 23 is formed on the front housing 21 or the rear housing 22, and the connector 4 located in the inner cavity 24 at least partially extends from the connector assembly opening 23. The connector 4 plays a role of switching in a circuit, one end of the connector is connected with the power panel, and the other end of the connector is externally provided with an interface socket for being connected with an external circuit board or devices such as a sensor and an electromagnetic valve. In order to simultaneously meet the requirements of preventing the ignition of the external device by the connector and facilitating the plugging of the wires, the connector 4 is preferably arranged at the connector assembly port 23 of the inner shell 2, and the outer part of the inner shell 2 is covered with the outer cover 1, so that the flame retardant effect on the connector can be achieved.
In this embodiment, the rear shell 22 is preferably a semi-closed structure with an open front end surface, the front shell 21 is preferably a semi-closed structure with an open rear end surface, the open openings of the rear shell 22 and the front shell 21 are matched when the rear shell 22 and the front shell 21 are fixed to form a closed inner shell, the bottom edge at the bottom of the inner shell 2 can be independently arranged on the front shell 21 or the rear shell 22, or a part of the bottom edges of the front shell 21 and the rear shell 22 can be respectively arranged on the front shell 21 and the rear shell 22, and when the front shell 21 and the rear shell 22 are fixed, the bottom edges of the two parts are abutted to form the whole bottom edge of the inner shell 2.
Preferably, the rear shell 22 and the front shell 21 are detachably fixed, so that the power panel is conveniently fixed in a cavity enclosed by the rear shell or detached from the front shell, as shown in fig. 4, the first clamping portion 222 is provided on the side wall of the rear shell 22, the second clamping portion 214 is provided on the side wall of the front shell 21, and the second clamping portion 214 is clamped and fixed with the first clamping portion 222, so that the front shell 21 and the rear shell 22 are fixed.
In this embodiment, it is preferable that the power board is fixed on the front case 21, at least the interface socket portion of the connector 4 connected with the power board protrudes from the connector assembly hole 23, in order to shorten the connection distance between the connector 4 and the power board, the connector 4 may be fixed on the front case 21 together with the power board, or the connector 4 may be directly fixed on the power board, since the external circuit board or the electronic device is connected with the interface socket of the connector 4 through the plug, the plug is located between the inner case 2 and the outer case 1, and the plug needs to occupy a certain space, so that a sufficient gap needs to be left between the inner case 2 and the outer case 1 to satisfy the placement of the plug, which will cause the overall volume of the power board protection case to increase, occupy the internal space of the electrical appliance to be large, and affect the installation of other devices. The two sides of the vertical edge of the inverted T-shaped protruding part 212 and the front panel 211 of the front shell are provided with columnar spaces, the plug and the wires connected with the plug can be contained in the partial spaces, so that the inner shell 2 is ensured to have enough space for containing a circuit board, the space for containing the plug and the wires is reserved between the inner shell 2 and the outer shell 1, the distance between the inner shell 2 and the outer shell 1 is not required to be increased, and the plug and the wires are tightly attached and fixedly installed.
Inside the protrusion 212 is a recess (not shown in the figure for angular reasons) corresponding to the protrusion, which communicates with the cavity 24, into which the power strip extends at least partly. By arranging the connector assembly opening 23 on the front panel of the front shell 21 and on one side of the vertical edge of the protruding portion 212, after the power panel is assembled, the distance between the connector located in the protruding portion 212 and the power panel can be guaranteed to be nearest, and an assembly space can be reserved for plugs, wires and the like.
The outer cover 1 comprises a main body 11 and a front plate 12, the main body 11 is of a semi-closed structure with an open front surface and an open bottom surface, the front plate 12 is detachably fixed at the front opening of the main body 11, the inner shell 2 is inserted into the outer cover 1 from the bottom opening of the main body 11, vertical intersecting surfaces 2111 and 2112 of the transverse edges and the vertical edges of the protruding parts 212, the outer cover 1 and the front plate 211 of the front shell 21 enclose a multi-surface cavity, and the multi-surface cavity is used for accommodating a plug and a plug wire connected with a connector.
The wires connected to the plugs located in the spaces on both sides of the T-shaped protrusion 212 need to be penetrated out of the partial space so as to be connected with external circuits and electronic devices, and thus, the outer cover 1 needs to be provided with wire through holes at positions corresponding to the space, so that the wires of the plugs can be penetrated out of the wire through holes after the outer cover 1 is sleeved outside the inner cover 2.
In order to facilitate manufacturing of the front plate 12, it is preferable that the front plate 12 has a T-shaped plate structure, the length of the vertical edge 121 of the front plate 12 is not less than the height of the lateral edge of the protruding portion 212, when the outer cover 1 is covered outside the inner cover 2, the lateral edge of the front plate 12 is ensured to have a distance from the lateral edge of the protruding portion 212, therefore, the wire passing hole 3 is surrounded by the lateral edge and the vertical edge of the front plate, the lateral edge and the vertical edge of the protruding portion 212, and the lateral edge of the outer cover 1, and has a rectangular structure, the wire passing hole 3 is communicated with the cavities of multiple surfaces, and the plug wire passes out from the wire passing hole. The T-shaped front plate 12 of the structure is simple in structure and easy to manufacture and form, and a special wire passing hole is not needed, and the T-shaped structure of the front plate 12, the inverted T-shaped structure of the protruding part 212 and the size limit of the inverted T-shaped structure can automatically enclose into a rectangular wire passing hole structure when the outer cover 1 and the inner cover 2 are assembled, so that the process of specially arranging the wire passing hole is saved, and the structure is quite simple and convenient.
The power panel protective shell wire through hole 3 is formed by the transverse edge and the vertical edge of the front plate, the transverse edge and the vertical edge of the protruding part 212 and the side edge of the outer cover 1, when in assembly, the power panel is firstly fixed on the front shell 21 of the inner shell, the connector is fixed at the connector assembly port 23, then the rear shell and the front shell are fixed, the middle part is enclosed into an inner shell cavity, the power panel is enclosed in the inner shell cavity, after the lead wire for connecting an external electric device is connected with the connector, the lead wire naturally sags and extends to the transverse edge of the protruding part 212, then the upper end part of the inner shell is inserted into the outer shell 1, after the outer shell and the inner shell are assembled, the lead wire hole 3 is naturally formed by surrounding, one part of the lead wire connected with the connector is positioned inside the outer shell, the other part of the lead wire is positioned outside the outer shell, and the lead wire does not need to be specially penetrated out of the lead wire hole, so that the lead wire is convenient and quick.
In order to fix the front plate 12 conveniently, the side edge of the main body 11 is provided with a flanging 111 towards the front opening, the front plate 12 is fixed with the flanging 111, and the fixing mode can be a screw fixing or clamping fixing mode.
At least the lower edge portions of the vertical sides and the lateral sides of the front plate 12, which are located below the flange 111, have a crimp on the side edges of the main body, preventing cutting of the cable passing through the wire passing hole.
The bottom of at least one side of the front shell 21 is provided with a first outward flange 213 which is turned outward, one side of the bottom of the main body 11 corresponding to the first outward flange 213 is provided with a second outward flange 112, the bottom edge of the rear shell 22 is provided with an extending edge 221 which extends to two sides, and the positions corresponding to the first outward flange 213, the second outward flange 112 and the extending edge 221 are respectively provided with a mounting hole, so that the first outward flange 213, the second outward flange 112 and the extending edge 221 can be fixed by adopting a screw mode, or when the power panel protective housing is arranged in a machine, the machine is provided with a corresponding fixing bracket, and the screw sequentially passes through the first outward flange 213, the second outward flange 112 and the extending edge 221 to be fixed on the fixing bracket, and meanwhile, the fixed installation of the power panel protective housing in the machine is realized.
The side of the inner shell 2 is provided with a first through hole 22, the side of the outer shell 1 is provided with a second through hole 113, and when the inner shell 2 is assembled in the outer shell 1, the first through hole 22 is aligned with the second through hole 113.
Example two
The present embodiment proposes a water purifier, as shown in fig. 5, including a casing 5 and a power panel (not shown in the angle reason diagram), wherein the power panel is disposed in the casing 1, and the power panel is disposed in the casing 5 through a power panel protection shell 10, wherein the power panel protection shell 10 can be described in the first embodiment, and details thereof are omitted.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that other variations, modifications, additions and substitutions are possible, without departing from the scope of the invention as disclosed in the accompanying claims.
Claims (7)
1. A power strip protective housing, its characterized in that: the plug connector comprises an outer cover and an inner cover, wherein the inner cover is provided with an inner cavity for accommodating a power panel, the outer cover is sleeved outside the inner cover, the outer cover and the inner cover are provided with a wire passing hole for communicating the inner cavity with the outside, the inner cover comprises a front cover and a rear cover, a connector assembly opening is formed in the front cover or the rear cover, a protruding part protruding outwards in a reverse T shape is formed in the front panel of the front cover, the connector assembly opening is located on one side of a vertical side of the protruding part, two sides of the vertical side of the protruding part are led out of a space for accommodating the plug, the outer cover comprises a main body and a front plate, the front plate is of a T-shaped platy structure, the length of the vertical side of the front plate is not smaller than the height of the horizontal side of the protruding part, the wire passing hole is formed by the horizontal side and the vertical side of the protruding part and the peripheral side of the outer cover, the vertical side of the protruding part is intersected with the vertical side of the protruding part and the vertical side of the protruding part, the protruding part is connected with the inner cover through the wire passing hole, and the protruding part is connected with the inner cover through the inner cover, and the inner cover is at least one side of the concave cavity, and the protruding part is connected with the inner cover through the metal cover.
2. The power strip protective case of claim 1, wherein: the front shell and the rear shell are detachably and fixedly connected, an inner cavity for accommodating the power panel is formed between the front shell and the rear shell, and a connector in the inner cavity at least partially extends out of the connector assembly port.
3. The power strip protective case according to claim 2, wherein: the rear shell is of a semi-closed structure with an open front end face, the front shell is of a semi-closed structure with an open rear end face, and the rear shell is matched with the front shell when the front shell is fixed.
4. The power strip protective case of claim 1, wherein: the main body is of a semi-closed structure with an open front surface and an open bottom surface, the front plate is detachably fixed at the front opening of the main body, and the inner shell is inserted into the outer cover from the bottom opening of the main body.
5. The power strip protective case of claim 4, wherein: the side of the main body is provided with a flanging towards the front opening of the main body, and the front plate is fixed with the flanging.
6. The power strip protective case of claim 4, wherein: the bottom of at least one side of the front shell is provided with a first outward turned edge which turns outward, one side of the bottom of the main body corresponding to the first outward turned edge is provided with a second outward turned edge, the bottom edge of the rear shell is provided with extension edges which extend to two sides, and the positions corresponding to the first outward turned edge, the second outward turned edge and the extension edges are respectively provided with an assembly hole.
7. The power strip protective case according to any one of claims 1 to 6, wherein: the side of the inner shell is provided with a first through hole, the side of the outer shell is provided with a second through hole, and when the inner shell is assembled in the outer shell, the first through hole is aligned with the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269222.3A CN109874240B (en) | 2017-12-05 | 2017-12-05 | Power panel protective housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269222.3A CN109874240B (en) | 2017-12-05 | 2017-12-05 | Power panel protective housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109874240A CN109874240A (en) | 2019-06-11 |
| CN109874240B true CN109874240B (en) | 2024-04-02 |
Family
ID=66916570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711269222.3A Active CN109874240B (en) | 2017-12-05 | 2017-12-05 | Power panel protective housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109874240B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230044599A1 (en) * | 2019-12-31 | 2023-02-09 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Electric control box and window air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7855528B2 (en) * | 2007-04-18 | 2010-12-21 | Powertech Industrial Co., Ltd. | Power supply for portable apparatuses |
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|---|---|---|---|---|
| CN102762051A (en) * | 2011-04-29 | 2012-10-31 | 博世汽车部件(苏州)有限公司 | Electric control unit for electric vehicle |
| CN103025106A (en) * | 2011-09-21 | 2013-04-03 | 日立汽车系统株式会社 | Seal structure for electronic control device |
| CN103327789A (en) * | 2012-03-21 | 2013-09-25 | 日立汽车系统株式会社 | Electronic control apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109874240A (en) | 2019-06-11 |
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