CN204376362U - Cable branch box - Google Patents
Cable branch box Download PDFInfo
- Publication number
- CN204376362U CN204376362U CN201520091435.1U CN201520091435U CN204376362U CN 204376362 U CN204376362 U CN 204376362U CN 201520091435 U CN201520091435 U CN 201520091435U CN 204376362 U CN204376362 U CN 204376362U
- Authority
- CN
- China
- Prior art keywords
- shutter
- box body
- rain visor
- opening
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of cable branch box, its drip irrigation device includes upper box body, lower part box and cable attachment link, the side of described lower part box is provided with the first shutter, the opening of described first shutter is arranged obliquely, the first rain visor under the top of described first shutter is provided with and is tilted to; The end face of described upper box body is provided with the second shutter, and the opening of described second shutter is arranged obliquely, is provided with the second rain visor above described second shutter.The utility model is the cable branch box providing a kind of high efficiency and heat radiation.
Description
Technical field
The utility model relates to a kind of Splices cable equipment, and more particularly it relates to a kind of cable branch box.
Background technology
European cable distribution box accepts and the use of distributions as the electric energy of the cable-fed circuit of three-phase alternating current 50Hz, 10KV, is a kind ofly to be used for cable line enforcement tap, branch, to continue and the equipment of change-over circuit.Its main feature is bi-directional door, and by the connection utilizing lead-in line joint and outlet joint to do conductor, have length little, cable arrangements is clear, and three-core cable does not need the remarkable advantages such as large span intersection.
And the European cable distribution box of the 10kV of prior art, operationally produce larger heat, and the heat produced is at distribution box accumulated inside, thus distribution box internal temperature is raised, easily cause inside cable electric insulation overcoat aging, breaking out of fire, failure rate raises, harm power grid security.
The Chinese patent document being 201320352099.2 as application number discloses a kind of 10KV High-Voltage Cable Branching Case, include upper box body, lower part box and cable attachment link, upper box body includes the left box body and the right case that are positioned at middle trapezoidal cabinet and are positioned at trapezoidal cabinet two shoulder, wherein left box body and right case are chamfer triangular construction, the two forms square box with middle trapezoidal cabinet, the all dual-sides of upper side of trapezoidal cabinet have hinged structures, hinged with a side of left box body and right case upper end respectively; Lower part box is cuboidal configuration, and the bottom of trapezoidal cabinet and lower part box are for removably connecting; Cable attachment link is arranged in trapezoidal cabinet inner chamber in the mode of longitudinal arrangement.
Existing European cable distribution box dispels the heat with the structure being usually used in lower part box shown in above-mentioned file and arranging louvered ventilating opening, due in prior art in order to prevent rainwater from arranging from ventilating opening, the blinds of this ventilating opening is obliquely installed usually all down, and namely its opening is for arrange obliquely.Certain defect is there is in existing said structure in heat radiation, main manifestations is, air in cable distribution box density when being heated reduces to form ascending air, because the blinds opening of existing ventilating opening is arranged obliquely, thermal current in casing cannot directly be flowed out from ventilating opening, but need to rise to casing top and be subject to box top and stop that backflow is flowed out from ventilating opening downwards, this just makes heat form hot gas re-flow in casing, heat residues in casing greatly, heat radiation is not direct, DeGrain.This is also the main cause of temperature drift in cable distribution box in prior art.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the cable branch box providing a kind of high efficiency and heat radiation.
For achieving the above object, the utility model provides following technical scheme: a kind of cable branch box, include upper box body, lower part box and cable attachment link, the side of described lower part box is provided with the first shutter, the opening of described first shutter is arranged obliquely, the first rain visor under the top of described first shutter is provided with and is tilted to; The end face of described upper box body is provided with the second shutter, and the opening of described second shutter is arranged obliquely, is provided with the second rain visor above described second shutter.
By adopting technique scheme, the utility model has abandoned traditional shutter, by the opening upwards of the first shutter is arranged, the hot gas that lower part box is produced can directly upwards be discharged outside casing along the opening direction of the first shutter, the structure compared conventional blind Open Side Down is arranged its to have heat radiation more direct, the feature that thermal discharge efficiency is higher, hot gas major part in casing all discharges by the first shutter, small part is only had to continue to rise to upper box body, certainly because the opening of the first shutter is for arrange obliquely, therefore need the rain proofness of consideration first shutter, therefore be provided with the first rain visor on the top of the first shutter, the downward-sloping setting of first rain visor, rainwater can flow down along the first rain visor and can not flow in casing, and because the first rain visor is arranged at the outside of the first shutter, the hot gas of discharging from the first shutter has carried out effective mutual with outside atmosphere, heat is dispersed, thus the first rain visor can not be impacted the heat extraction of the first shutter.In addition, because hot gas is propradation, in casing, its waste hot air will inevitably contact upper box body end face, therefore be also provided with the second shutter at the end face of upper box body, the opening of the second shutter is also arranged obliquely, and be also provided with the second rain visor above it, second shutter further can improve the thermal diffusivity of this cable branch box, the thermal current risen directly is distributed from second shutter at upper box body top, and in casing, do not form hot gas re-flow, avoid carrying out post bake to the gas in casing, by arrange above-mentioned first shutter and the second shutter strengthen cable branch box thermolysis in use greatly, improve useful life, use also safer.
The utility model is set to further: described second rain visor is downward-sloping setting and extends to the edge of upper box body.
By adopting technique scheme, the downward-sloping landing facilitating rainwater of second rain visor, and its edge extending to upper box body making the rainwater of landing directly can not remain in the end face of upper box body from skidding off casing, eliminating rainwater and may flow to possibility in the second shutter.
The utility model is set to further: the upper surface of described second rain visor has been recessed to form guide face.
By adopting technique scheme, the second rain visor upper surface is recessed to form guide face, rainwater is dripped and confluxes by guide face when the second rain visor surface, more convenient draining.
The utility model is set to further: the opening of described second shutter is provided with water baffle bar near the surface of upper box body.
By adopting technique scheme, water baffle bar is arranged at the end face place of opening near upper box body of the second shutter, and when can prevent upper top from remaining water droplet, water droplet flows into from the opening part of the second shutter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cable branch box embodiment;
Fig. 2 is the part A enlarged drawing of Fig. 1;
Fig. 3 is the part B enlarged drawing of Fig. 1.
Description of reference numerals: 1, lower part box; 2, upper box body; 11, the first shutter; 12, the first rain visor; 21, the second shutter; 22, the second rain visor; 23, water baffle bar; 221, guide face.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model cable branch box embodiment is described further.
Cable branch box described in the present embodiment, as shown in Figure 1, include upper box body 2, lower part box 1 and cable attachment link, the side of described lower part box 1 is provided with the first shutter 11, the opening of described first shutter 11 is arranged obliquely, the first rain visor 12 under the top of described first shutter 11 is provided with and is tilted to; The end face of described upper box body 2 is provided with the second shutter 21, and the opening of described second shutter 21 is arranged obliquely, is provided with the second rain visor 22, first rain visor 12, second rain visor 22 all by being welded and fixed above described second shutter 21.
The utility model has abandoned traditional shutter, by the opening upwards of the first shutter 11 is arranged, the hot gas that lower part box 1 is produced can directly upwards be discharged outside casing along the opening direction of the first shutter 11, the structure compared conventional blind Open Side Down is arranged its to have heat radiation more direct, the feature that thermal discharge efficiency is higher, hot gas major part in casing all discharges by the first shutter 11, small part is only had to continue to rise to upper box body 2, certainly because the opening of the first shutter 11 is for arrange obliquely, therefore need the rain proofness of consideration first shutter 11, therefore be provided with the first rain visor 12 on the top of the first shutter 11, the downward-sloping setting of first rain visor 12, rainwater can flow down along the first rain visor 12 and can not flow in casing, and because the first rain visor 12 is arranged at the outside of the first shutter 11, the hot gas of discharging from the first shutter 11 has carried out effective mutual with outside atmosphere, heat is dispersed, thus the first rain visor 12 can not be impacted the heat extraction of the first shutter 11.In addition, because hot gas is propradation, in casing, its waste hot air will inevitably contact upper box body 2 end face, therefore be also provided with the second shutter 21 at the end face of upper box body 2, the opening of the second shutter 21 is also arranged obliquely, and be also provided with the second rain visor 22 above it, second shutter 21 further can improve the thermal diffusivity of this cable branch box, the thermal current risen directly is distributed from second shutter 21 at upper box body 2 top, and in casing, do not form hot gas re-flow, avoid carrying out post bake to the gas in casing, by arrange above-mentioned first shutter 11 and the second shutter 21 structure strengthen cable branch box thermolysis in use greatly, improve useful life, use also safer.
It should be noted that, shutter is adopted to arrange as ventilating opening herein, mainly be based on the opening of shutter and be obliquely installed, it has guide effect to the discharge of hot gas in casing, the discharge of more convenient hot gas, and the hot gas of discharging and outside cold air meet when producing convection current, the outside easier guide effect by shutter angle of cold air enters in casing, improve the thermolysis in casing, adopt the ventilating opening of common direct open type then not reach above-mentioned effect, therefore ventilating opening of the present utility model adopt the setting in louvered.
Further, as shown in Figure 1, described second rain visor 22 is downward-sloping setting and extends to the edge of upper box body 2.The downward-sloping landing facilitating rainwater of second rain visor 22, and its edge extending to upper box body 2 making the rainwater of landing directly can not remain in the end face of upper box body 2 from skidding off casing, eliminating rainwater and may flow to possibility in the second shutter 21.
Further, as shown in Figure 3, the upper surface of described second rain visor 22 has been recessed to form guide face 221, and the second rain visor 22 upper surface is recessed to form guide face 221, rainwater is dripped conflux by guide face 221 when the second rain visor 22 surface, more convenient draining.
Further, as shown in Figure 3, the opening of described second shutter 21 is provided with water baffle bar 23 near the surface of upper box body 2, the position that water baffle bar 23 is contacted with upper box body 2 end face by the opening being welded in the second shutter 21.Water baffle bar 23 is arranged at the end face place of opening near upper box body 2 of the second shutter 21, and when can prevent upper top from remaining water droplet, water droplet flows into from the opening part of the second shutter 21.
In sum, the utility model provides a kind of cable branch box reaching high efficiency and heat radiation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all within design concept of the present utility model, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. a cable branch box, include upper box body, lower part box and cable attachment link, it is characterized in that: the side of described lower part box is provided with the first shutter, the opening of described first shutter is arranged obliquely, the first rain visor under the top of described first shutter is provided with and is tilted to; The end face of described upper box body is provided with the second shutter, and the opening of described second shutter is arranged obliquely, is provided with the second rain visor above described second shutter.
2. cable branch box according to claim 1, is characterized in that: described second rain visor is downward-sloping setting and extends to the edge of upper box body.
3. cable branch box according to claim 1 and 2, is characterized in that: the upper surface of described second rain visor has been recessed to form guide face.
4. cable branch box according to claim 3, is characterized in that: the opening of described second shutter is provided with water baffle bar near the surface of upper box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091435.1U CN204376362U (en) | 2015-02-07 | 2015-02-07 | Cable branch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091435.1U CN204376362U (en) | 2015-02-07 | 2015-02-07 | Cable branch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376362U true CN204376362U (en) | 2015-06-03 |
Family
ID=53332543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520091435.1U Expired - Fee Related CN204376362U (en) | 2015-02-07 | 2015-02-07 | Cable branch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204376362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304803A (en) * | 2016-10-14 | 2017-01-04 | 无锡市海升电子科技有限公司 | Case installed by a kind of electronic equipment |
| CN106816851A (en) * | 2015-12-02 | 2017-06-09 | 朱元华 | A kind of removable cable branch box |
-
2015
- 2015-02-07 CN CN201520091435.1U patent/CN204376362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816851A (en) * | 2015-12-02 | 2017-06-09 | 朱元华 | A kind of removable cable branch box |
| CN106304803A (en) * | 2016-10-14 | 2017-01-04 | 无锡市海升电子科技有限公司 | Case installed by a kind of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20160207 |