CN105208818A - Sealed electric control box and air-conditioning outdoor unit - Google Patents
Sealed electric control box and air-conditioning outdoor unit Download PDFInfo
- Publication number
- CN105208818A CN105208818A CN201410228303.9A CN201410228303A CN105208818A CN 105208818 A CN105208818 A CN 105208818A CN 201410228303 A CN201410228303 A CN 201410228303A CN 105208818 A CN105208818 A CN 105208818A
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- Prior art keywords
- groove
- box body
- line
- lid
- sealed
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- 238000004378 air conditioning Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 210000002435 tendon Anatomy 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 abstract description 29
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 241000720974 Protium Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Connection Or Junction Boxes (AREA)
Abstract
The invention discloses a sealed electric control box. The sealed electric control box comprises a box body and a box cover in sealed connection with the box body. First sealing grooves are formed in upper edges of the side walls of the box body. Each first sealing groove is provided with an upward first inner groove wall and first outer groove wall. The edges of the box cover are provided with second sealing grooves corresponding to the first sealing grooves. Each second sealing groove is provided a lower second inner groove wall and second outer groove wall. Sealed connection between the box body and the box cover is realized in such a manner that the first outer groove walls are installed in the second sealing grooves, and the second inner groove walls are installed in the first sealing grooves. The invention further discloses an air-conditioning outdoor unit. According to the invention, the sealed electric control box is provided with the box body and the box cover respectively provided with the first sealing grooves and the second sealing grooves which are in up and down sealed connection, and a leaked inflammable refrigerant can hardly enter the inner part of the sealed electric control box, so that elements in the sealed electric control box are protected and isolated, and the safety risks caused by the inflammable refrigerant are reduced.
Description
Technical field
The present invention relates to air conditioner technical field, particularly relate to sealing electric-controlled box and air-conditioner outdoor unit.
Background technology
Along with global climate environment constantly worsens, people start to pay attention to the protection for environment gradually, in air conditioner industry; novel environment-friendly refrigerant starts to occur; as R290/R32, because it has extremely excellent environmental protection characteristic, overall application can be obtained most probably in future soon.But the cold-producing medium carbon of environmental protection usually, the ratio of protium are higher, more tool is flammable; In the air conditioner using combustible refrigerant, pile up if enter electric-controlled box inside after combustible refrigerant leaks and produce concentration, once the components and parts of electric-controlled box inside produce spark become incendiary source, namely the combustible refrigerant of leakage may burn and even produce blast, occurs potential safety hazard.Therefore, provide a kind of air conditioner electric-controlled box of sealing, prevent combustible refrigerant from after leakage, entering electric-controlled box inside, the components and parts in combustible refrigerant and electric-controlled box are formed and effectively isolates real necessity for combustible refrigerant safety applications.
Summary of the invention
Main purpose of the present invention is intended to prevent combustible refrigerant from after leakage, entering electric-controlled box inside, makes the components and parts in combustible refrigerant and electric-controlled box form effective isolation.
For achieving the above object, the invention provides a kind of sealing electric-controlled box, the lid comprising box body and be tightly connected with described box body, along being provided with the first sealed groove on the sidewall of described box body, described first sealed groove is provided with the first internal groove side wall upwards and the first external groove sidevall; Relatively described first sealed groove in edge of described lid is provided with the second sealed groove, and described second sealed groove is provided with the second downward internal groove side wall and the second external groove sidevall; Be connected and sealed by described first external groove sidevall to be installed in described second sealed groove and described second internal groove side wall is installed in described first sealed groove between described box body and described lid.
Preferably, described first external groove sidevall and described second sealed groove interference are installed, and described second internal groove side wall and described first sealed groove interference are installed.
Preferably, first internal groove side wall of described first sealed groove be described box body sidewall on edge, the sidewall of described box body stretches out and is provided with the first bottom land of described first sealed groove, and the outer of described first bottom land upwards extends the first external groove sidevall being provided with described first sealed groove; Second internal groove side wall of described second sealed groove is the edge of described lid, the root at the edge of described lid stretches out and is provided with the second bottom land of described second sealed groove, and the outer of described second bottom land is provided with the second external groove sidevall of described second sealed groove to downward-extension.
Preferably, described sealing electric-controlled box also comprises the seal washer be placed in the first sealed groove of described box body.
Preferably, the sidewall of described box body crosses line portion along being provided with first, described first crosses line portion is provided with at least one and first crosses half mouthful, line, and described first crosses the inner surface of half mouthful, line is provided with at least one first line ball convex tendon; The edge of described lid is provided with second and crosses line portion, and described second crosses line portion is just crossing line portion to described first and be provided with at least one and second cross half mouthful, line, and the described second inner surface crossing half mouthful, line is provided with at least one second line ball convex tendon; Described first cross half mouthful, line and described second cross half mouthful, line dock is formed be used for supplying cable to pass line mouth, described first line ball convex tendon docks with described second line ball convex tendon for conflicting described cable and seal described line mouth.
Preferably, first of described box body cross and to correspond to described line mouth of crossing inside line portion and be provided with and cross wire clamp for fixing described cable.
Preferably, first of described box body is crossed line portion and the axial both sides that described first crosses half mouthful, line is provided with projection, second of described lid is crossed line portion and just described projection is provided with groove in the axial both sides that described second crosses half mouthful, line, and described projection is installed on described groove.
Preferably, first of described box body is crossed line portion and offer the first screw in described projection, second of described lid is crossed line portion and just offer the first through hole to described first screw on described groove, screw through described first through hole screw in described first screw to cross first of described box body second of line portion and described lid line portion fix.
Preferably, described cassette upper end is provided with multiple clamping part, and on described lid, corresponding described clamping part is extended holds plate, described in hold plate and be provided with draw-in groove, described draw-in groove engages with described clamping part to be fixed described lid and described box body.
Preferably, described cassette upper end is provided with multiple second screw, and described lid just offers the second through hole to each second screw, and screw screws in described second screw through described second through hole and described lid and described box body fixed.
In addition, for achieving the above object, the present invention also provides a kind of air-conditioner outdoor unit, and described air-conditioner outdoor unit comprises described sealing electric-controlled box.
Sealing electric-controlled box provided by the present invention is by the first sealed groove of being respectively equipped with upper-lower seal at box body and lid and being connected and the second sealed groove, to be that multilayer is mazy cover hermetically-sealed construction to this structure, increase the distance that combustible refrigerant enters sealing electric-controlled box, the combustible refrigerant leaked is made to be difficult to enter sealing electric-controlled box inner, thus protective separation is carried out to the components and parts in sealing electric-controlled box, guarantee that also not having combustible refrigerant enters electric-controlled box when combustible refrigerant produces and reveals or have trace to enter but concentration does not reach its lower flammability limit, even if components and parts produce sparking and also do not become burning condition, reduce the potential safety hazard using combustible refrigerant to bring.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention seals electric-controlled box one embodiment;
Fig. 2 is the partial cross section's structural representation along S-S line direction in Fig. 1;
Fig. 3 is the structural representation of another embodiment of Fig. 2;
Fig. 4 is the structural representation of the box body sealing electric-controlled box in Fig. 1;
Fig. 5 is the structure for amplifying schematic diagram at A place in Fig. 4;
Fig. 6 is the structural representation of the lid sealing electric-controlled box in Fig. 1;
Fig. 7 is the structure for amplifying schematic diagram at B place in Fig. 6.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of sealing electric-controlled box.
In one embodiment, the lid 20 that sealing electric-controlled box comprises box body 10 and is tightly connected with box body 10, wherein, along being provided with the first sealed groove 12 on the sidewall of box body 10, this first sealed groove 12 is provided with the first internal groove side wall 121 and the first external groove sidevall 122 upwards; Relative first sealed groove 12 in edge of lid 20 is provided with the second sealed groove 22, and this second sealed groove 22 is provided with the second downward internal groove side wall 221 and the second external groove sidevall 222; Be connected and sealed by the first external groove sidevall 122 being installed on the second sealed groove 22 and the second internal groove side wall 221 being installed on the first sealed groove 12 between box body 10 and lid 20.
The first sealed groove 12 and the second sealed groove 22 that the sealing electric-controlled box that the present embodiment provides is connected by being respectively equipped with upper-lower seal at box body 10 and lid 20, to be that multilayer is mazy cover hermetically-sealed construction to this structure, increase the distance that combustible refrigerant enters sealing electric-controlled box, the combustible refrigerant leaked is made to be difficult to enter sealing electric-controlled box inner, thus protective separation is carried out to the components and parts in sealing electric-controlled box, guarantee that also not having combustible refrigerant enters electric-controlled box when combustible refrigerant produces and reveals or have trace to enter but concentration does not reach its lower flammability limit, even if components and parts produce sparking and also do not become burning condition, reduce the potential safety hazard using combustible refrigerant to bring.
Further, the first external groove sidevall 122 interference is installed on the second sealed groove 22, and the second internal groove side wall 221 interference is installed on the first sealed groove 12.In the present embodiment, realize being engaged by interference fit between first sealed groove 12 of box body 10 and the second sealed groove 22 of lid 20 and be tightly connected, be convenient to being mounted with between box body 10 and lid 20 on the one hand, make there is no gap between the first external groove sidevall 122 and the second sealed groove 22 and between the second internal groove side wall 221 and the first sealed groove 12 on the other hand, thus prevent having combustible refrigerant to enter electric-controlled box when combustible refrigerant produces and reveals.
See Fig. 2, in the present embodiment, first internal groove side wall 121 of the first sealed groove 12 be box body 10 sidewall on edge, the stretch out outer of the first bottom land 123, first bottom land 123 being provided with the first sealed groove 12 of the sidewall of box body 10 upwards extends the first external groove sidevall 122 being provided with the first sealed groove 12; Second internal groove side wall 221 of the second sealed groove 22 is the edge of lid 20, the stretch out outer of the second bottom land 223, second bottom land 223 being provided with the second sealed groove 22 of the root at the edge of lid 20 is provided with the second external groove sidevall 222 of the second sealed groove 22 to downward-extension.In the present embodiment, the first bottom land 123 of the first sealed groove 12 and the first external groove sidevall 122 are extended making, and the second bottom land 223 of the second sealed groove 22 and the second external groove sidevall 222 are also extended making.It is emphasized that in other embodiments of the invention, the first sealed groove 12 can also be made by the sidewall upper grooving at box body 10, and the second sealed groove 22 can also be made by lower end, the edge grooving at lid 20.
See Fig. 3, in the present embodiment, seal electric-controlled box and also comprise the seal washer 40 be placed in the first sealed groove 12 of box body 10.In this enforcement, seal washer 40 is placed in the first sealed groove 12, first sealed groove 12 and the second sealed groove 22 extrude seal washer 40 while realizing being connected, and can make to seal between the lid 20 of electric-controlled box and box body 10 has better sealing effectiveness.
Further, the sidewall of box body 10 is crossed line portion 11, first and crossed line portion 11 along being provided with first and be provided with at least one and first cross half mouthful 111, line, the first inner surface crossing half mouthful 111, line is provided with at least one first line ball convex tendon 112; The edge of lid 20 is provided with second and crosses line portion 21, second and cross line portion 21 and just crossing line portion 11 to first and be provided with at least one and second cross half mouthful 211, line, and the second inner surface crossing half mouthful 211, line is provided with at least one second line ball convex tendon 212; First cross half mouthful 111, line and second cross line dock for half mouthful 211 is formed for supply cable 30 to pass line mouth, and the first line ball convex tendon 112 docks with the second line ball convex tendon 212 for conflicting cable 30 and sealed line mouth.
In the present embodiment, first of the box body 10 of sealing electric-controlled box cross line portion 11 and lid second excessively line portion about 21 coordinate and formed line portion, wherein, first crosses half mouthful 111, line coordinates for half mouthful about 211 with the second mistake line and formed line mouth, and the first line ball convex tendon 112 docks with the second line ball convex tendon 212, the wire passed in and out from the mistake line mouth in the line portion excessively of sealing electric-controlled box is cable 30, because line ball convex tendon has crush seal effect to cable 30, make the combustible refrigerant leaked can not enter sealing electric-controlled box from crossing line portion, in conjunction with first sealed groove 12 and second sealed groove 22 be tightly connected of external position in line portion, guarantee that lid can integral sealing box body, namely the overall tightness sealing electric-controlled box can be guaranteed, prevent combustible refrigerant from after leakage, entering sealed electrical control box inner, combustible refrigerant is made to form effective isolation with the components and parts in sealing electric-controlled box, reduce the potential safety hazard using combustible refrigerant to bring.
Further, first of box body 10 cross and to correspond to line mouth inside line portion 11 and be provided with and cross wire clamp 113 for fixed cable 30.In the present embodiment, cross wire clamp 113 and cable 30 can be made effectively to be fixed.
Further, first of box body 10 is crossed line portion 11 and the axial both sides that first crosses half mouthful 111, line is provided with protruding 114, second of lid 20 is crossed line portion 21 and just this projection 114 is provided with groove 213 in the axial both sides that second crosses half mouthful 211, line, and protruding 114 are installed on groove 213.In the present embodiment, protruding 114 are installed on groove 213, achieve first to cross line portion 11 and second and cross and cover hermetically-sealed construction the multilayer of the external position crossing line mouth is mazy between line portion 21, increase the distance that this position combustible refrigerant enters sealing electric-controlled box, making the combustible refrigerant leaked be difficult to enter sealing electric-controlled box inside from crossing line portion, strengthening the sealing effectiveness between the lid 20 of sealing electric-controlled box and box body 10 further.
Further, first crosses line portion 11 offers the first screw 1141 on protruding 114, second crosses 21, line just offers the first through hole 2131 to the first screw 1141 on groove 213, and screw screws in the first screw 1141 through the first through hole 2131 and crosses line portion 11 by first and fix with the second mistake line portion 21.In the present embodiment, realize the first mistake line portion 11 by the mode be spirally connected and cross being fixedly connected with of line portion 21 with second, guarantee to seal first of electric-controlled box after installing cable 30 to cross line portion 11 and second and cross line portion 21 and there will not be the phenomenon be separated, guarantee to seal the sealing of electric-controlled box further good.In other embodiments of the invention, the first mistake line portion 11 can also be realized by the mode of snapping and cross being fixedly connected with of line portion 21 with second.
Further, box body 10 upper end is provided with multiple clamping part 14, and on lid 20, corresponding clamping part 14 is extended holds plate 24, holds on plate 24 and offers draw-in groove 241, and draw-in groove 241 engages with clamping part 14 to be fixed lid 20 and box body 10; Box body 10 upper end is provided with multiple second screw 13, and lid 20 just offers the second through hole 23 to each second screw 13, and screw screws in the second screw 13 through the second through hole 23 and lid 20 and box body 10 fixed.Be more than snapping and the two kinds of modes be spirally connected, wherein any one all can realize being fixedly connected with between lid 20 with box body 10, in the present embodiment, preferably while being engaged with buckle 14 by draw-in groove 241, screw in the second screw 13 by screw through the second through hole 23 and realize being fixedly connected with lid 20 with box body 10, to guarantee that sealing electric-controlled box has better sealing.
The present invention also provides a kind of air-conditioner outdoor unit.
In one embodiment, this air-conditioner outdoor unit comprises the sealing electric-controlled box in previous embodiment.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. seal an electric-controlled box, it is characterized in that, the lid comprising box body and be tightly connected with described box body, along being provided with the first sealed groove on the sidewall of described box body, described first sealed groove is provided with the first internal groove side wall upwards and the first external groove sidevall; Relatively described first sealed groove in edge of described lid is provided with the second sealed groove, and described second sealed groove is provided with the second downward internal groove side wall and the second external groove sidevall; Be connected and sealed by described first external groove sidevall to be installed in described second sealed groove and described second internal groove side wall is installed in described first sealed groove between described box body and described lid.
2. seal electric-controlled box as claimed in claim 1, it is characterized in that, described first external groove sidevall and described second sealed groove interference are installed, and described second internal groove side wall and described first sealed groove interference are installed.
3. seal electric-controlled box as claimed in claim 1 or 2, it is characterized in that, first internal groove side wall of described first sealed groove be described box body sidewall on edge, the sidewall of described box body stretches out and is provided with the first bottom land of described first sealed groove, and the outer of described first bottom land upwards extends the first external groove sidevall being provided with described first sealed groove; Second internal groove side wall of described second sealed groove is the edge of described lid, the root at the edge of described lid stretches out and is provided with the second bottom land of described second sealed groove, and the outer of described second bottom land is provided with the second external groove sidevall of described second sealed groove to downward-extension.
4. seal electric-controlled box as claimed in claim 3, it is characterized in that, described sealing electric-controlled box also comprises the seal washer be placed in the first sealed groove of described box body.
5. seal electric-controlled box as claimed in claim 4, it is characterized in that, the sidewall of described box body crosses line portion along being provided with first, and described first crosses line portion is provided with at least one and first crosses half mouthful, line, and described first crosses the inner surface of half mouthful, line is provided with at least one first line ball convex tendon; The edge of described lid is provided with second and crosses line portion, and described second crosses line portion is just crossing line portion to described first and be provided with at least one and second cross half mouthful, line, and the described second inner surface crossing half mouthful, line is provided with at least one second line ball convex tendon; Described first cross half mouthful, line and described second cross half mouthful, line dock is formed be used for supplying cable to pass line mouth, described first line ball convex tendon docks with described second line ball convex tendon for conflicting described cable and seal described line mouth.
6. seal electric-controlled box as claimed in claim 5, it is characterized in that, first of described box body is crossed and to be corresponded to described line mouth of crossing inside line portion and be provided with and cross wire clamp for fixing described cable.
7. the sealing electric-controlled box as described in claim 5 or 6, it is characterized in that, first of described box body is crossed line portion and the axial both sides that described first crosses half mouthful, line is provided with projection, second of described lid is crossed line portion and just described projection is provided with groove in the axial both sides that described second crosses half mouthful, line, and described projection is installed on described groove.
8. seal electric-controlled box as claimed in claim 7, it is characterized in that, first of described box body is crossed line portion and offer the first screw in described projection, second of described lid is crossed line portion and just offer the first through hole to described first screw on described groove, screw through described first through hole screw in described first screw to cross first of described box body second of line portion and described lid line portion fix.
9. seal electric-controlled box as claimed in claim 8, it is characterized in that, described cassette upper end is provided with multiple clamping part, and described lid is corresponding, and described clamping part is extended holds plate, the described plate that holds is provided with draw-in groove, and described draw-in groove engages with described clamping part to be fixed described lid and described box body.
10. seal electric-controlled box as claimed in claim 9, it is characterized in that, described cassette upper end is provided with multiple second screw, and described lid just offers the second through hole to each second screw, and screw screws in described second screw through described second through hole and described lid and described box body fixed.
11. 1 kinds of air-conditioner outdoor units, is characterized in that, described air-conditioner outdoor unit comprises the sealing electric-controlled box as described in any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228303.9A CN105208818B (en) | 2014-05-27 | 2014-05-27 | Seal electric-controlled box and air-conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228303.9A CN105208818B (en) | 2014-05-27 | 2014-05-27 | Seal electric-controlled box and air-conditioner outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105208818A true CN105208818A (en) | 2015-12-30 |
| CN105208818B CN105208818B (en) | 2019-01-08 |
Family
ID=54956141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410228303.9A Active CN105208818B (en) | 2014-05-27 | 2014-05-27 | Seal electric-controlled box and air-conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105208818B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889408A (en) * | 2017-12-08 | 2018-04-06 | 广东美的制冷设备有限公司 | Electric-controlled box and air conditioner |
| CN115426820A (en) * | 2022-09-23 | 2022-12-02 | 珠海格力电器股份有限公司 | Housing for circuit module, circuit module and home appliance |
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|---|---|---|---|---|
| CN201657565U (en) * | 2010-04-28 | 2010-11-24 | 天津市柯文制模注塑有限公司 | Waterproof structure of electric appliance box |
| US20110217017A1 (en) * | 2008-10-30 | 2011-09-08 | Patrick Drouard | Sealing enclosure |
| CN203301908U (en) * | 2013-05-20 | 2013-11-20 | 广东美的制冷设备有限公司 | Electric control box |
| CN203912410U (en) * | 2014-05-27 | 2014-10-29 | 广东美的制冷设备有限公司 | Sealed electric control box and air-conditioning outdoor unit |
-
2014
- 2014-05-27 CN CN201410228303.9A patent/CN105208818B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110217017A1 (en) * | 2008-10-30 | 2011-09-08 | Patrick Drouard | Sealing enclosure |
| CN201657565U (en) * | 2010-04-28 | 2010-11-24 | 天津市柯文制模注塑有限公司 | Waterproof structure of electric appliance box |
| CN203301908U (en) * | 2013-05-20 | 2013-11-20 | 广东美的制冷设备有限公司 | Electric control box |
| CN203912410U (en) * | 2014-05-27 | 2014-10-29 | 广东美的制冷设备有限公司 | Sealed electric control box and air-conditioning outdoor unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889408A (en) * | 2017-12-08 | 2018-04-06 | 广东美的制冷设备有限公司 | Electric-controlled box and air conditioner |
| CN107889408B (en) * | 2017-12-08 | 2023-12-12 | 广东美的制冷设备有限公司 | Electric control box and air conditioner |
| CN115426820A (en) * | 2022-09-23 | 2022-12-02 | 珠海格力电器股份有限公司 | Housing for circuit module, circuit module and home appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105208818B (en) | 2019-01-08 |
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