CN103929918A - Sealing electric box and dehumidifier with same - Google Patents
Sealing electric box and dehumidifier with same Download PDFInfo
- Publication number
- CN103929918A CN103929918A CN201410183123.3A CN201410183123A CN103929918A CN 103929918 A CN103929918 A CN 103929918A CN 201410183123 A CN201410183123 A CN 201410183123A CN 103929918 A CN103929918 A CN 103929918A
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- electrical appliance
- appliance kit
- sealing
- sealing electrical
- annular seal
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Abstract
The invention provides a sealing electric box and a dehumidifier with the same. The sealing electric box is embedded in a main electric box and comprises a bottom box, an upper cover and a sealing pressing strip, wherein the bottom box comprises a mounting cavity for containing a main board, the upper cover covers the bottom box, an annular sealing groove is formed in the bottom box and is formed in the periphery of the mounting cavity in a surrounding mode, the lower edge of the upper cover is embedded in the annular sealing groove, and the sealing pressing strip is arranged on the bottom box to shield the connecting position of the bottom box and the upper cover. The sealing electric box and the dehumidifier with the same are good in sealing performance, flammable refrigerants on the outer portion of the sealing electric box can be effectively prevented from entering the sealing electric box, and the phenomenon that the flammable refrigerants are gathered on the periphery of an element of the main board, and safety hazards are caused is prevented.
Description
Technical field
The present invention relates to sealing device technical field, more specifically, relate to a kind of dehumidifier that seals electrical appliance kit and there is it.
Background technology
Existing dehumidifier, with in refrigerant, is used the native compound of some occurring in natures existence such as propane as the refrigerant of dehumidifier, and these native compounds neither can destroy atmosphere, can not cause again global warming, belong to environmentally friendly cold-producing medium.But these cold-producing mediums belong to flammable can quick-fried type cold-producing medium, to using the system of this cold-producing medium, its security requirement is higher, in existing dehumidifier, control the components and parts such as mainboard, transformer of dehumidifier running, in extremely overheated or arcing situation, may cause burning, once there is ignition, will cause great potential safety hazard to air-conditioning whole system, and therefore need to avoid combustible refrigerant to assemble at components and parts around.In view of the above-mentioned problems, available technology adopting sealing electrical appliance kit is kept apart the electric elements in dehumidifier and cold-producing medium, but the sealing effectiveness of existing sealing electrical appliance kit is poor, and fail safe is not high enough.
Summary of the invention
The present invention aims to provide a kind of sealing electrical appliance kit of good seal performance and has its dehumidifier.
For solving the problems of the technologies described above, according to an aspect of the present invention, provide a kind of sealing electrical appliance kit, sealing electrical appliance kit sealing electrical appliance kit is embedded in main electrical appliance kit, and sealing electrical appliance kit comprises: end box, end box comprises the installation cavity that mainboard is installed; Upper cover, upper cover lid is located on end box; On end box, be provided with annular seal groove, annular seal groove is around in the periphery of installation cavity, and the lower limb of upper cover is embedded in annular seal groove; Sealing electrical appliance kit also comprises seal trim strip, and seal trim strip is arranged on end box to block the link position of end box and upper cover.
Further, the height of the sidewall of the close installation cavity of annular seal groove is higher than the height of the sidewall away from installation cavity of annular seal groove, and seal trim strip is arranged on the upper end of the sidewall away from installation cavity of annular seal groove.
Further, the bottom of installation cavity is provided with the pillar of a plurality of support mainboards.
Further, a plurality of pillars are fixedly installed on the sidewall of installation cavity.
Further, sealing electrical appliance kit also comprises sealing ring, and sealing ring is arranged in annular seal groove, and is positioned at the low side of upper cover.
Further, offer wiring recess on end box, wiring recess is communicated with annular seal groove; On seal trim strip, be provided with the fracture suitable with wiring recess, the incision position of seal trim strip is provided with the positioning convex that can be plugged in annular seal groove.
Further, sealing electrical appliance kit also comprises U-shaped rubber cushion, and the periphery of U-shaped rubber cushion is provided with the groove of stepping down, and above covers and is provided with the recess suitable with the groove of stepping down.
Further, the groove depth of the close wiring indent of annular seal groove is greater than the groove depth of other positions of annular seal groove.
Further, sealing electrical appliance kit also comprises airtight and watertight padding, and the place, gap that is located at end box and upper cover link position is filled out in airtight and watertight padding.
Further, airtight and watertight padding is cyanogen special 8504 or silica gel or epoxy resin.
According to a further aspect in the invention, provide a kind of dehumidifier, comprised sealing electrical appliance kit, sealing electrical appliance kit is above-mentioned sealing electrical appliance kit.
Apply technical scheme of the present invention, sealing electrical appliance kit is embedded in main electrical appliance kit.Sealing electrical appliance kit comprises end box, upper cover and seal trim strip, and wherein, end box comprises the installation cavity that mainboard is installed; Upper cover lid is located on end box, mainboard is around in to the inside of sealing electrical appliance kit; On end box, be provided with annular seal groove, this annular seal groove is around in the periphery of installation cavity, the lower limb of upper cover is embedded in annular seal groove, make the inside that seals electrical appliance kit form an airtight installation cavity, thereby form and seal together defence line, avoid flammable cold-producing medium to enter the inside of sealing electrical appliance kit; And seal trim strip is arranged on end box to block the link position of end box and upper cover, sealing press strip forms another sealing defence line, road, can prevent that flammable cold-producing medium from entering from the gap of the link position of end box and upper cover in sealing electrical appliance kit and cause potential safety hazard.Because the components and parts of dehumidifier are all arranged on mainboard, and mainboard is arranged in the installation cavity of end box, and upper cover and seal trim strip are set on end box, forms respectively twice defence line and enters in the installation cavity of end box to prevent outside combustible refrigerant.Visible, the good airproof performance of sealing electrical appliance kit of the present invention, the combustible refrigerant that can effectively avoid sealing electrical appliance kit outside enters into the inside of sealing electrical appliance kit, and then the periphery that prevents the components and parts of combustible refrigerant on mainboard is assembled and caused potential safety hazard.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the exploded view of the sealing electrical appliance kit in the present invention;
Fig. 2 has schematically shown the first three-dimensional structure diagram of sealing electrical appliance kit of the present invention;
Fig. 3 has schematically shown U-shaped rubber cushion of the present invention and has been arranged on the three-dimensional structure diagram covering constantly;
Fig. 4 has schematically shown the three-dimensional structure diagram of upper cover of the present invention;
Fig. 5 has schematically shown the three-dimensional structure diagram of seal trim strip of the present invention;
Fig. 6 has schematically shown the second three-dimensional structure diagram of the present invention;
Fig. 7 has schematically shown the three-dimensional structure diagram of rubber cushion of the present invention; And
Fig. 8 has schematically shown the three-dimensional structure diagram of the end of the present invention box.
Description of reference numerals: 100, main electrical appliance kit; 10, end box; 11, installation cavity; 12, pillar; 20, upper cover; 21, recess; 13, annular seal groove; 14, wiring recess; 30, seal trim strip; 31, positioning convex; 32, fracture; 40, sealing ring; 50, U-shaped rubber cushion; 51, the groove of stepping down; 60, mainboard.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to shown in Fig. 1 to Fig. 8, according to embodiments of the invention, provide a kind of sealing electrical appliance kit.Sealing electrical appliance kit is embedded in main electrical appliance kit 100.And sealing electrical appliance kit comprises end box 10, upper cover 20 and seal trim strip 30, wherein, end box 10 comprises the installation cavity 11 that mainboard 60 is installed; Upper cover 20 lids are located on end box 10, mainboard 60 are around in to the inside of sealing electrical appliance kit; On end box 10, be provided with annular seal groove 13, this annular seal groove 13 is around in the periphery of installation cavity 11, the lower limb of upper cover 20 is embedded in annular seal groove 13, make the inside that seals electrical appliance kit form an airtight installation cavity, thereby form first sealing defence line, avoid combustible refrigerant to enter the inside of sealing electrical appliance kit; And seal trim strip 30 is arranged on end box 10 to block the link position of end box 10 and upper cover 20, sealing press strip 30 forms another sealing defence lines, road, can prevent that flammable cold-producing medium from entering from the gap of end box 10 and the link position of upper cover 20 in sealing electrical appliance kit and cause potential safety hazard.In the present embodiment, because the components and parts of dehumidifier are all arranged on mainboard 60, and mainboard 60 is arranged in the installation cavity 11 of end box 10, upper cover 20 and seal trim strip 30 are set on end box 10, form respectively twice defence line and enter in the installation cavity 11 of end box 10 to prevent outside combustible refrigerant.Visible, the good airproof performance of the sealing electrical appliance kit of the present embodiment, the combustible refrigerant that can effectively avoid sealing electrical appliance kit outside enters into the inside of sealing electrical appliance kit, and then the periphery that prevents the components and parts of combustible refrigerant on mainboard 60 is assembled and caused potential safety hazard.
In order further to prevent that combustible refrigerant from entering the inside of sealing electrical appliance kit, the sealing electrical appliance kit of the present embodiment also comprises airtight and watertight padding (not shown), sealing filler is filled out the place, gap that is located at end box 10 and upper cover 20 link positions, be in annular seal groove 13, can effectively prevent that the combustible refrigerant that seals electrical appliance kit outside from entering into the inside that seals electrical appliance kit.Preferably, sealing filler is cyanogen special 8504 or silica gel or epoxy resin, and good seal performance is easy to realize.
In airtight and watertight padding being filled out to the process at the link position place that is located at sealing upper cover 20 and end box 10, airtight and watertight padding meeting is exuded to the outside of annular seal groove 13, in order to prevent airtight and watertight padding from entering in installation cavity 11, the work of the components and parts in installation cavity 11 is caused to damage, therefore, the two side of annular seal groove 13 is set to one high and one low, specifically, the height of the sidewall of the close installation cavity 11 of annular seal groove 13 is higher than the height of the sidewall away from installation cavity 11 of annular seal groove 13, in the course of work, this structure not only can be used as three lines of defence and prevents that the outside combustible refrigerant that seals electrical appliance kit from entering in sealing electrical appliance kit, can also effectively prevent that airtight and watertight padding from entering in installation cavity 11.Preferably, seal trim strip 30 is arranged on to the upper end of the sidewall away from installation cavity 11 of annular seal groove 13, now, seal trim strip 30 not only can be as preventing that the combustible refrigerant that seals electrical appliance kit outside from entering into the defence line that seals electrical appliance kit inside, can also prevent filler stream in annular seal groove 13 outside of box 10 on earth, guarantee the outside aesthetic property of whole sealing electrical appliance kit.
Preferably, the bottom of installation cavity 11 is provided with the pillar 12 of a plurality of support mainboards 60, and this pillar 12 arranges mainboard 60 for supporting.More preferably, a plurality of pillars 12 are fixedly installed on the sidewall of installation cavity 11, simple in structure and intensity is high.
Preferably, sealing electrical appliance kit also comprises sealing ring 40, and sealing circle 40 is arranged in annular seal groove 13, and is positioned at the low side of upper cover 20, the setting of sealing circle 40 can seal upper cover 20 and the contact position of end box 10, thereby further prevents that airtight and watertight padding from entering in installation cavity 11.More preferably, sealing circle 40 is O-ring seal, easily, by upper cover 20 crimps, realizes its sealing function.
Refer again to shown in Fig. 1, Fig. 6 and Fig. 8, offer wiring recess 14 on end box 10, this wiring recess 14 is communicated with annular seal groove 13, is convenient to the components and parts on the mainboard in installation cavity 11 60 and the structure of sealing electrical appliance kit outside to couple together.
Preferably, on seal trim strip 30, be provided with the fracture 32 suitable with wiring recess 14, be convenient to the drawing of cable of the components and parts on mainboard 60, more preferably, in order to make seal trim strip 30 can stably be arranged on end box 10, fracture 32 places of the seal trim strip 30 of the present embodiment are provided with the positioning convex 31 that can be plugged in annular seal groove 13, when seal trim strip 30 is installed, only the fracture of seal trim strip 30 32 need be aimed to wiring recess 14, positioning convex 31 is plugged in annular seal groove 13, just can complete the installation of seal trim strip 30, location is convenient, simple to operate.
In the present embodiment, sealing electrical appliance kit also comprises U-shaped rubber cushion 50, the periphery of this U-shaped rubber cushion 50 is provided with the groove 51 of stepping down, on upper cover 20, be provided with recess 21, the groove 51 of stepping down of the periphery of the shape of this recess 21 and U-shaped rubber cushion 50 is suitable, and when upper cover 20 is mounted on end box 10, the recess 21 on upper cover 20 is over against the wiring recess 14 on end box 10, strengthened whole sealing electrical equipment internal electrical device element cable draw space, convenient operation personnel operation.In the present embodiment, the setting of U-shaped rubber cushion 50, not only can prevent that cable from directly not contacting with working of plastics when sealing electrical appliance kit is drawn, eliminate mill line, secant hidden danger, can also play certain cushioning effect, the cable of avoiding 20 pairs of upper covers to be arranged on the components and parts in end box 10 produces excessive active force.
Preferably, the groove depth at close wiring recess 14 places of annular seal groove 13 is greater than the groove depth of other positions of annular seal groove 13, and in filling out the process of establishing airtight and watertight padding, unnecessary airtight and watertight padding can be accumulated in the position that groove depth is larger, prevents overflowing of airtight and watertight padding.
The assemble sequence of specifically introducing its each parts below in conjunction with the structure of the sealing electrical appliance kit of the present embodiment is as follows:
First mainboard 60 is arranged in the installation cavity 11 of end box 10, then sealing ring 40 is arranged in annular seal groove 13, and U-shaped rubber cushion 50 is arranged in the recess 21 of upper cover 20, then upper cover 20 is assembled on end box 10, now, cable in mainboard 60 is stretched out to the outside of sealing electrical appliance kit by crossing line three-way hole, and fill airtight and watertight padding at the place, connection gap of upper cover 20 and end box 10, then the periphery at end box 10 by seal trim strip 30 lids, is finally embedded whole sealing electrical appliance kit in main electrical appliance kit 100.
According to another embodiment of the present invention, provide a kind of dehumidifier.This dehumidifier comprises sealing electrical appliance kit, and sealing electrical appliance kit is above-mentioned sealing electrical appliance kit.Need to further illustrate, above-mentioned sealing electrical appliance kit can also be applied in Split Type Domestic Air.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. seal an electrical appliance kit, described sealing electrical appliance kit is embedded in main electrical appliance kit (100), and described sealing electrical appliance kit comprises:
End box (10), box of the described end (10) comprises the installation cavity (11) that mainboard (60) is installed;
Upper cover (20), described upper cover (20) lid is located on box of the described end (10);
It is characterized in that, on box of the described end (10), be provided with annular seal groove (13), described annular seal groove (13) is around in the periphery of described installation cavity (11), and the lower limb of described upper cover (20) is embedded in described annular seal groove (13);
Described sealing electrical appliance kit also comprises seal trim strip (30), and it is upper to block the link position of box of the described end (10) and described upper cover (20) that described seal trim strip (30) is arranged on box of the described end (10).
2. sealing electrical appliance kit according to claim 1, it is characterized in that, the height of the sidewall of the close described installation cavity (11) of described annular seal groove (13) is higher than the height of the sidewall away from described installation cavity (11) of described annular seal groove (13), and described seal trim strip (30) is arranged on the upper end of the sidewall away from described installation cavity (11) of described annular seal groove (13).
3. sealing electrical appliance kit according to claim 1, is characterized in that, the bottom of described installation cavity (11) is provided with the pillar (12) of the described mainboard of a plurality of supports (60).
4. sealing electrical appliance kit according to claim 3, is characterized in that, a plurality of described pillars (12) are fixedly installed on the sidewall of described installation cavity (11).
5. sealing electrical appliance kit according to claim 1, it is characterized in that, described sealing electrical appliance kit also comprises sealing ring (40), and described sealing ring (40) is arranged in described annular seal groove (13), and is positioned at the low side of described upper cover (20).
6. according to the sealing electrical appliance kit described in any one in claim 1 to 5, it is characterized in that, offer wiring recess (14) on box of the described end (10), described wiring recess (14) is communicated with described annular seal groove (13);
On described seal trim strip (30), be provided with the fracture (32) suitable with described wiring recess (14), the fracture (32) of described seal trim strip (30) locates to be provided with the positioning convex (31) that can be plugged in described annular seal groove (13).
7. sealing electrical appliance kit according to claim 6, it is characterized in that, described sealing electrical appliance kit also comprises U-shaped rubber cushion (50), the periphery of described U-shaped rubber cushion (50) is provided with the groove of stepping down (51), is provided with the recess (21) suitable with the described groove of stepping down (51) on described upper cover (20).
8. sealing electrical appliance kit according to claim 6, is characterized in that, the groove depth that the close described wiring recess (14) of described annular seal groove (13) is located is greater than the groove depth of other positions of described annular seal groove (13).
9. sealing electrical appliance kit according to claim 1, is characterized in that, described sealing electrical appliance kit also comprises airtight and watertight padding, and the place, gap that is located at end box (10) and described upper cover (20) link position is filled out in described airtight and watertight padding.
10. sealing electrical appliance kit according to claim 9, is characterized in that, described airtight and watertight padding is cyanogen special 8504 or silica gel or epoxy resin.
11. 1 kinds of dehumidifiers, comprise sealing electrical appliance kit, it is characterized in that, described sealing electrical appliance kit is the sealing electrical appliance kit described in any one in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183123.3A CN103929918B (en) | 2014-04-30 | 2014-04-30 | Sealing electrical appliance kit and the dehumidifier with which |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183123.3A CN103929918B (en) | 2014-04-30 | 2014-04-30 | Sealing electrical appliance kit and the dehumidifier with which |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103929918A true CN103929918A (en) | 2014-07-16 |
| CN103929918B CN103929918B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410183123.3A Active CN103929918B (en) | 2014-04-30 | 2014-04-30 | Sealing electrical appliance kit and the dehumidifier with which |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103929918B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258244A (en) * | 2015-10-19 | 2016-01-20 | 珠海格力电器股份有限公司 | Electric appliance box, box body, box cover and household appliance |
| CN105546773A (en) * | 2016-01-18 | 2016-05-04 | 珠海格力电器股份有限公司 | Sealing device, variable frequency air conditioner controller assembled with sealing device and sealing method |
| CN108344127A (en) * | 2017-01-25 | 2018-07-31 | 珠海格力电器股份有限公司 | A kind of electrical appliance kit and air conditioner |
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| JP2008300352A (en) * | 2007-05-31 | 2008-12-11 | Tyco Electronics Amp Gmbh | Housing sealing method |
| TW200913399A (en) * | 2007-09-11 | 2009-03-16 | Liang Tei Co Ltd | Waterproofing frame structure |
| CN201787701U (en) * | 2010-04-13 | 2011-04-06 | 珠海格力电器股份有限公司 | Air-conditioning electrical appliance device and air conditioner |
| CN202310389U (en) * | 2011-11-11 | 2012-07-04 | 北汽福田汽车股份有限公司 | Electric appliance box body |
| CN203801183U (en) * | 2014-04-30 | 2014-08-27 | 珠海格力电器股份有限公司 | Sealed electric appliance box and dehumidifier having same |
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2014
- 2014-04-30 CN CN201410183123.3A patent/CN103929918B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008300352A (en) * | 2007-05-31 | 2008-12-11 | Tyco Electronics Amp Gmbh | Housing sealing method |
| TW200913399A (en) * | 2007-09-11 | 2009-03-16 | Liang Tei Co Ltd | Waterproofing frame structure |
| CN201787701U (en) * | 2010-04-13 | 2011-04-06 | 珠海格力电器股份有限公司 | Air-conditioning electrical appliance device and air conditioner |
| CN202310389U (en) * | 2011-11-11 | 2012-07-04 | 北汽福田汽车股份有限公司 | Electric appliance box body |
| CN203801183U (en) * | 2014-04-30 | 2014-08-27 | 珠海格力电器股份有限公司 | Sealed electric appliance box and dehumidifier having same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258244A (en) * | 2015-10-19 | 2016-01-20 | 珠海格力电器股份有限公司 | Electric appliance box, box body, box cover and household appliance |
| CN105546773A (en) * | 2016-01-18 | 2016-05-04 | 珠海格力电器股份有限公司 | Sealing device, variable frequency air conditioner controller assembled with sealing device and sealing method |
| CN105546773B (en) * | 2016-01-18 | 2018-12-18 | 珠海格力电器股份有限公司 | Sealing device and the variable frequency air-conditioner controller and encapsulating method assembled with it |
| CN108344127A (en) * | 2017-01-25 | 2018-07-31 | 珠海格力电器股份有限公司 | A kind of electrical appliance kit and air conditioner |
| CN108344127B (en) * | 2017-01-25 | 2023-10-24 | 珠海格力电器股份有限公司 | Electrical apparatus box and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103929918B (en) | 2017-04-05 |
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