CN205987679U - Control cabinet - Google Patents
Control cabinet Download PDFInfo
- Publication number
- CN205987679U CN205987679U CN201620932424.6U CN201620932424U CN205987679U CN 205987679 U CN205987679 U CN 205987679U CN 201620932424 U CN201620932424 U CN 201620932424U CN 205987679 U CN205987679 U CN 205987679U
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- switch board
- perisporium
- top cover
- cabinet
- dividing plate
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Abstract
The utility model discloses a control cabinet, including the cabinet body and lock in the top cap at cabinet body top, the top cap includes roof and perisporium, control cabinet is still including locating the centrifugal fan of roof lower surface, with centrifugal fan is relative the perisporium of top cap is provided with the exhaust hole. The utility model provides a control cabinet, the hot gas flow of the internal portion of its cabinet is located among the centrifugal fan of the roof lower surface of top cap by the suction, and under centrifugal fan's effect, circumference along centrifugal fan is discharged, the hot gas flow of this moment has the center of the using centrifugal fan speed as the tangential direction of the circular arc in the centre of a circle, and it is mobile to the perisporium of top cap along the lower surface of roof, and the perisporium of the top cap relative with centrifugal fan is equipped with the exhaust hole, consequently, this hot gas flow can directly be discharged from the hole of exhausting, need not to change the direction of hot gas flow many times, the heat dissipation resistance is little, and is high in cooling efficienc.
Description
Technical field
This utility model is related to electrical equipment, more particularly, to a kind of switch board.
Background technology
At present, the switch board of a lot of electrical equipments is all arranged at open air, in order to protect control circuit in switch board, big work(
Rate electric power and electronic device etc. not by outdoor rainwater, dust, corrosive gas destruction it is desirable to switch board have good airtight
Property.But the high-power electric in switch board, electronic device, operationally can produce substantial amounts of heat, if can not carry out in time
Effectively radiate, the risk that the presence of these devices is burnt, this requires switch board to have preferable ventilation and heat ability again.Therefore,
There is ventilation and heat and the contradiction of closed protective in the switch board of outdoor setting.
Refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of structural representation of the specific embodiment of switch board in prior art, figure
2 is the upward view of Fig. 1.
For the problems referred to above, as shown in figure 1, there is a kind of switch board in prior art, including cabinet 01, top cover 02 and axle
Flow fan 03, this axial flow blower 03 is in cabinet 01, and the top positioned at cabinet 01, and top cover 02 is fastened on the top of cabinet 01
Portion.Above-mentioned top cover 02 includes the base plate that the bottom of top board, the side plate of top board surrounding and side plate extends inwardly to form, so, top
Gap self-assembling formation heat dissipation wind channel between plate and base plate.Again with Fig. 2 as visual angle, above-mentioned base plate is provided with some rows in bar shaped
Pore 021, the bar shaped of this steam vent 021 extends perpendicularly to the corresponding side of above-mentioned cabinet 01, and also sets at steam vent 021
It is equipped with anti-dust filter mesh (not shown).
When specifically used, heat produced by cabinet 01 inside enters top by the effect of axial flow blower 03 to this switch board
The inside of lid 02, and discharged by being arranged at the steam vent 021 of base plate, to reach the purpose of ventilation and heat.Again because radiating is logical
Road (in top cover 02) is separated with cabinet 01, ensure that the sealing within cabinet 01 to a certain extent, and steam vent 021 sets
It is placed on the base plate of top cover 02 so that rainwater is difficult to enter top cover 02 by steam vent 021 and enter inside cabinet 01, and dust-proof
The setting of drainage screen has then largely completely cut off the dust of in the air, further ensures the seal within cabinet 01.Cause
This, this switch board can meet the demand of seal and ventilation and heat simultaneously.
Still with Fig. 1 as visual angle, the thermal current through axial flow blower 03 suction has speed straight up, but due to top cover 02
Top board stop, this thermal current will spread along the radial direction of top cover 02 to surrounding again, when thermal current flows to the side plate of top cover 02
When, and the stop due to side plate, this thermal current will have speed straight down again, and final discharge from steam vent 021.Heat
In discharge process, the top board of top cover 02 and side plate priority stop air-flow to it, lead to the resistance of heat dissipation channel larger, lead to
Wind radiating efficiency is relatively low.
Therefore, how to provide a kind of radiating resistance is little, radiating efficiency is high switch board, be still those skilled in the art urgently
The technical problem solving.
Utility model content
The purpose of this utility model is to provide a kind of radiating switch board that resistance is little, radiating efficiency is high.
For solving above-mentioned technical problem, this utility model provides a kind of switch board, includes cabinet and described in being fastened on
The top cover at cabinet top, described top cover includes roof and perisporium, described switch board also include located at described roof lower surface from
Heart-wind syndrome machine, the perisporium of the described top cover relative with described centrifugal blower is provided with steam vent.
Switch board provided by the utility model, the roof lower surface of its top cover is provided with centrifugal blower, the heat within cabinet
Air-flow is drawn in centrifugal blower, and in the presence of centrifugal blower, along the circumference discharge of centrifugal blower.Now, thermal current tool
Have the speed of the tangential direction of circular arc with the center of centrifugal blower as the center of circle, and along roof following table towards top cover perisporium stream
Dynamic, the perisporium of the top cover relative with centrifugal blower is provided with steam vent, and therefore this thermal current can directly be discharged from steam vent, no
The direction of thermal current need to be varied multiple times, radiating resistance is little, thus radiating efficiency is greatly improved.
Alternatively, described switch board also includes dividing plate, the perisporium of circumferential and described cabinet of described dividing plate or described top cover
Perisporium circumferential seal, between the roof of described dividing plate and described top cover formed exhausting duct, described centrifugal blower be located at described every
The top of plate, and described dividing plate is just provided with suction opeing to the position of described centrifugal blower.
Alternatively, the lower surface of described dividing plate is additionally provided with wind scooper, and described wind scooper is installed on the position of described suction opeing,
And described wind scooper is ring-type column structure, the cross sectional shape of described wind scooper is matched with described suction opeing.
Alternatively, the lower end of described wind scooper is provided with shutter mechanism, described shutter mechanism be used for opening and closing described in take out
Air port.
Alternatively, described shutter mechanism includes some blades, and each described blade is all articulated with the perisporium of described wind scooper;
The lower end of described wind scooper is additionally provided with limiting plate, and described limiting plate is located at the lower section of each described blade, at described shutter mechanism
When closed mode, each described blade is all overlapped in described limiting plate, to close described suction opeing.
Alternatively, described blade is aluminium flake or plastic sheet.
Alternatively, described dividing plate and described cabinet are integral type structure.
Alternatively, the perisporium of described top cover has inside deviation section, and it is arranged horizontal by acute angle, described steam vent
Positioned at described deviation section.
Alternatively, the bottom of the perisporium of described top cover has the base plate extending internally, described base plate and described cabinet circumference
Sealing, and described base plate is provided with some osculums.
Alternatively, the upper surface of described dividing plate is provided with waterproof boss, and described waterproof boss is circulus, and described convulsion
Mouth is opened on the described dividing plate that described circulus is enclosed.
Brief description
Fig. 1 is a kind of a kind of structural representation of specific embodiment of switch board in prior art;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is a kind of structural representation of specific embodiment of switch board provided by the utility model;
Fig. 4 is the top view of cabinet part in Fig. 3;
Fig. 5 is the upward view of header field in Fig. 3;
Fig. 6 is the sectional view of header field in Fig. 3;
Fig. 7 is the upward view of shutter mechanism in Fig. 3.
Description of reference numerals in Fig. 1-2 is as follows:
01 cabinet, 02 top cover, 03 axial flow blower, 021 steam vent
Description of reference numerals in Fig. 3-7 is as follows:
1 cabinet, 11 waterproof boss, 2 top covers, 21 roofs, 22 perisporiums, 221 steam vents, 23 base plates, 231 osculums, 232 stop
Waterside, 3 centrifugal blowers, 31 suction opeings, 4 shutter mechanisms, 41 blades, 42 limiting plates, 5 wind scoopers, 6 dividing plates
Specific embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and tool
The utility model is described in further detail for body embodiment.
" some " specifically described herein are that exponential quantity is uncertain multiple, usually two or more;And when use " some " tables
Show multiple structures or part quantity when it is impossible to be interpreted as these parts quantity identical.
Refer to Fig. 3-7, Fig. 3 is a kind of structural representation of specific embodiment of switch board provided by the utility model
Figure, Fig. 4 is the top view of cabinet part in Fig. 3, and Fig. 5 is the upward view of header field in Fig. 3, and Fig. 6 is header field in Fig. 3
Sectional view, Fig. 7 is the upward view of shutter mechanism in Fig. 3.
As shown in figure 3, this utility model provides a kind of specific embodiment of switch board, including cabinet 1 and fastening
In the top cover 2 at cabinet 1 top, this top cover 2 includes roof 21 and perisporium 22, also sets in the lower surface of the roof 21 of above-mentioned top cover 2
There is centrifugal blower 3, the perisporium 22 of the top cover 2 relative with centrifugal blower 3 is provided with steam vent 221.
Switch board provided by the utility model, roof 21 lower surface of its top cover 2 is provided with centrifugal blower 3, inside cabinet 1
Thermal current can be drawn in centrifugal blower 3, and in the presence of centrifugal blower 3, along the circumference discharge of centrifugal blower 3.Please
With reference to Fig. 4, now, thermal current has the speed of the tangential direction of the circular arc with the center of centrifugal blower 3 as the center of circle, and along roof
21 following table flows towards the perisporium 22 of top cover 2, and the perisporium 22 of the top cover 2 relative with centrifugal blower 3 is provided with steam vent 221, because
This, this thermal current can directly be discharged from steam vent 221, and the direction of thermal current flowing need not be varied multiple times, and radiating resistance is little,
Thus radiating efficiency is greatly improved.
Further, above-mentioned switch board can also include dividing plate 6, the perisporium of the circumference of this dividing plate 6 and cabinet 1 or top cover 2
Perisporium 22 circumferential seal, centrifugal blower 3 is located at the top of dividing plate 6, and dividing plate 6 is just provided with to the position of centrifugal blower 3
Suction opeing 31.So, between the roof 21 of dividing plate 6 and top cover 2 can self-assembling formation independence exhausting duct, and due to this suction opeing 31
Be arranged at centrifugal blower 3 on dividing plate 6 just to position, in the presence of centrifugal blower 3, this exhausting duct is entered by suction opeing 31
In thermal current, directly can be flowed to the perisporium 22 of top cover 2 for the center of circle with the center of centrifugal blower 3 in this exhausting duct, keep away
Exempt from the inside that thermal current is back to cabinet 1, ensure radiating effect and the radiating efficiency of exhausting duct.
Still with Fig. 3 as visual angle, it is also provided with wind scooper 5 in the position of the lower surface suction opeing 31 of aforementioned barriers 6, this is led
Fan housing 5 can be ring-type column structure, and the cross sectional shape of wind scooper 5 is matched with suction opeing 31.Using this set, wind scooper
5 inside can self-assembling formation air-guiding aisle, in specific works, centrifugal blower 3 can by the thermal current suction of air-guiding aisle to arrange
In air channel, so that air-guiding aisle is internally formed negative pressure, the thermal current within cabinet 1 can flow in this air-guiding aisle naturally,
Step by step the thermal current within cabinet 1 is discharged in order to centrifugal blower 3.
It is pointed out that the cross sectional shape of above-mentioned wind scooper 5 can completely and suction opeing 31 mating shapes (as scheme
Shown in 3) it is also possible to not mating shapes with suction opeing 31, but now, suction opeing 31 should leading located at circular cylindrical structure
On the dividing plate 6 that fan housing 5 is enclosed, to ensure that the thermal current in air-guiding aisle can be all by suction opeing 31 entrance centrifugal blower 3
In.When the mating shapes of cross sectional shape and the suction opeing 31 of wind scooper 5, it is more beneficial for centrifugal blower 3 and extracts air-guiding aisle
In thermal current, the utilization rate of air-guiding aisle is also higher.
In conjunction with Fig. 3 and Fig. 7, in switch board provided by the utility model, its suction opeing 31 is generally circular, above-mentioned wind-guiding
Cover 5 is matched cylindrical structure.Certainly, above-mentioned suction opeing 31 is also designed to other shapes, such as triangle, square or
Other polygons, correspondingly, above-mentioned wind scooper 5 may be designed in the ring-type column structure being adapted therewith.But it should knowing,
Under conditions of same girth, circular suction opeing 31 can obtain bigger convulsion area, that is, in the case of sectional area identical,
The girth of circle is minimum, and the material spent by wind scooper 5 manufacturing in cylindrical structure is also minimum, and manufacturing cost can be greatly reduced.This
Outward, the consumptive material of cylindrical structure is a kind of common structure, is other polygonal ring-type column structures than section, using its manufacture
Wind scooper 5, the acquisition of raw material is more easy.
The lower end of above-mentioned wind scooper 5 is also provided with shutter mechanism 4, and the opening and closing of this shutter mechanism 4 are capable of
The opening and closing of suction opeing 31.So, when centrifugal blower 3 does not work, the air-guiding aisle in wind scooper 5 can be closed, to keep away
The dust exempting from the air enters the inside of cabinet 1.
As shown in fig. 7, above-mentioned shutter mechanism 4 can include some blades 41, and each blade 41 all can be articulated with wind-guiding
The perisporium of cover 5, the lower end of wind scooper 5 is also provided with limiting plate 42, and limiting plate 42 is located at the lower section of each blade 41, when BAIYE machine
When structure 4 is closed, each blade 41 is all overlapped in limiting plate 42, to close suction opeing 31.Using this structure setting, when
When centrifugal blower 3 is started working, negative pressure in air-guiding aisle, can be formed, air-guiding aisle is inside and outside to form larger pressure differential, in cabinet 1
Blade 41 can be washed open by the thermal current in portion, and enters in air-guiding aisle;And when centrifugal blower 3 does not work, due to self gravitation
Effect, each blade 41 can be overlapped on limiting plate 42 again, to close air-guiding aisle.So, operate without human assistance, that is,
Opening and closing automatically of achievable blade 41, substantially increases the automaticity of equipment, and operation is more easy.
Because above-mentioned wind scooper 5 is cylindrical structure, the blade 41 that its lower end can arrange two semicirculars in shape is led with sealing
Fan housing 5;Its lower end can also arrange the blades 41 of multiple sectors, limiting plate 42 now can located at the radial direction of air-guiding aisle,
Overlap joint in order to each sector 41.Certainly, tie if above-mentioned wind scooper 5 design section is in other polygonal circular cylindricals
Structure, above-mentioned blade 41 and limiting plate 42 also should make the structural adjustment being adapted therewith, no matter adopted which kind of form, only need to protect
Card each blade 41 when centrifugal blower 3 acts on can automatically open up, and each blade 41 can be automatically switched off when centrifugal blower 3 does not work
?.
Further, since above-mentioned blade 41 be by air-guiding aisle inside and outside pressure differential realizing automatically turning on and to close,
Therefore, above-mentioned blade 41 need to adopt light material, such as aluminium flake or plastic sheet etc..Certainly, above-mentioned blade 41 may also be employed relatively thin
Iron plate, copper sheet and other sheet metal, but for using effect, aluminium flake or plastic sheet due to light weight, so using effect
Fruit is more preferably.
For above-mentioned each scheme, further adjustment can be made to the structure of top cover 2, as shown in Fig. 2 the week of above-mentioned top cover 2
Wall 22 has inside deviation section, and it is arranged horizontal by acute angle, and steam vent 221 is located at deviation section.So, when this practicality is new
When the switch board that type is provided uses out of doors, can effectively prevent rainwater from directly entering the inside of top cover 2 by steam vent 221.
And above-mentioned deviation section is less with the angle of horizontal plane, it prevents the effect that rainwater invades also better, it is to be understood that, in top cover
In the case of 2 base area identical, above-mentioned angle is less, and the area of roof 21 is also bigger, manufactures the material spent by top cover 2
Material is also more, is unfavorable for cost-effective.Therefore, this utility model embodiment is not made further to the occurrence of above-mentioned acute angle
Restriction, in equipment when specifically installing and using, those skilled in the art can in conjunction with actual application environment etc. many-side demand
It is designed.
The bottom of the perisporium 22 of above-mentioned top cover 2 has the base plate 23 extending internally, base plate 23 and cabinet 1 circumferential seal, and
Base plate 23 is provided with some osculums 231, and as shown in Figure 5 and Figure 6, this osculum 231 is the hole of strip, and this bar shaped extension side
To parallel to the corresponding perisporium of cabinet 1.Using this set, even if rain can enter in top cover 2 from steam vent 221
Portion, also can directly discharge at osculum 231, and the string configuration design of this osculum 231, can the largely row of avoiding
The surface in water hole 231 forms moisture film, is conducive to the discharge of rainwater.The end of the osculum 231 of this strip is additionally provided with water stop edge
232, water stop edge 232 can be riser structure, further to prevent rainwater from flowing into the inside of top cover 2.
It is to be understood that above representing the description of the position relationship of " interior " in " inside deviation section " and " extending internally "
It is all with Fig. 3 as visual angle, wherein, the place near the center of top cover 2 is referred to as " interior ", away from the center of top cover 2
Place be referred to as outer.
In order to improve the classification of waterproof of the provided switch board of this utility model further, the upper surface of dividing plate 6 can be provided with
Waterproof boss 11, waterproof boss 11 is circulus, and suction opeing 31 is opened on the dividing plate 6 that this circulus is enclosed.As
This, even if the inside of top cover 2 has the rainwater that osculum 231 is difficult to exclude, this waterproof boss 11 also can effectively stop rainwater from entering
Enter in cabinet 1.In fact, in order to further improve waterproof effect it is also possible to dividing plate 6 is set to the low cone in middle high both sides
Shape structure, so, the rainwater entering top cover 2 can flow at osculum 231, naturally thus waterproof effect is greatly improved.
It should be noted that aforementioned barriers 6 and cabinet 1 can be integral type structure, i.e. the surrounding welding of dividing plate 6 or bonding
In the perisporium of cabinet 1, then again top cover 2 is fastened on the top of cabinet 1, now, top cover 2 is the structure of lower openings, is easy to
Its inside centrifugal blower 3 is dismounted, realizes rapid-maintenance and replacing.Aforementioned barriers 6 can also be tied for integral type with top cover 2
Structure, that is, the surrounding welding of dividing plate 6 or be bonded in top cover 2 base plate 23 surrounding, be then fastened on overall for top cover 2 top and open again
The top of the cabinet 1 of mouth, now, top cover 2 is the heat transmission top cover 2 of complete outdoor switch board, can individually sell or use.
The above is only preferred implementation of the present utility model it is noted that ordinary skill people for the art
For member, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improvements and modifications
Also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of switch board, including cabinet (1) and the top cover (2) that is fastened on described cabinet (1) top, described top cover (2) bag
Include roof (21) and perisporium (22) it is characterised in that described switch board also includes the centrifugation located at described roof (21) lower surface
Blower fan (3), the perisporium (22) of the described top cover (2) relative with described centrifugal blower (3) is provided with steam vent (221).
2. switch board according to claim 1 is it is characterised in that also include dividing plate (6), the circumference of described dividing plate (6) with
The top of the perisporium of described cabinet (1) or perisporium (22) circumferential seal of described top cover (2), described dividing plate (6) and described top cover (2)
Form exhausting duct, described centrifugal blower (3) is located at the top of described dividing plate (6), and described dividing plate (6) is just right between wall (21)
The position of described centrifugal blower (3) is provided with suction opeing (31).
3. switch board according to claim 2 is it is characterised in that the lower surface of described dividing plate (6) is additionally provided with wind scooper
(5), described wind scooper (5) is installed on the position of described suction opeing (31), and described wind scooper (5) is ring-type column structure, institute
State the cross sectional shape of wind scooper (5) and described suction opeing (31) matches.
4. switch board according to claim 3 is it is characterised in that the lower end of described wind scooper (5) is provided with shutter mechanism
(4), described shutter mechanism (4) is used for opening and closing described suction opeing (31).
5. switch board according to claim 4 it is characterised in that described shutter mechanism (4) include some blades (41), and
Each described blade (41) is all articulated with the perisporium of described wind scooper (5);
The lower end of described wind scooper (5) is additionally provided with limiting plate (42), and described limiting plate (42) is located under each described blade (41)
Side, when described shutter mechanism (4) is closed, each described blade (41) is all overlapped in described limiting plate (42), to close
Close described suction opeing (31).
6. switch board according to claim 5 is it is characterised in that described blade (41) is aluminium flake or plastic sheet.
7. the switch board according to any one of claim 2-6 is it is characterised in that described dividing plate (6) and described cabinet (1)
For integral type structure.
8. the switch board according to any one of claim 1-6 is it is characterised in that the perisporium (22) of described top cover (2) has
There is inside deviation section, it is arranged horizontal by acute angle, described steam vent (221) is located at described deviation section.
9. the switch board according to any one of claim 1-6 is it is characterised in that the perisporium (22) of described top cover (2)
Bottom has the base plate (23) extending internally, described base plate (23) and described cabinet (1) circumferential seal, and described base plate (23) sets
There are some osculums (231).
10. the switch board according to any one of claim 2-6 is it is characterised in that the upper surface of described dividing plate (6) is provided with
Waterproof boss (11), described waterproof boss (11) is circulus, and described suction opeing (31) is opened in described circulus institute
On the described dividing plate (6) enclosing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620932424.6U CN205987679U (en) | 2016-08-24 | 2016-08-24 | Control cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620932424.6U CN205987679U (en) | 2016-08-24 | 2016-08-24 | Control cabinet |
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Publication Number | Publication Date |
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CN205987679U true CN205987679U (en) | 2017-02-22 |
Family
ID=58033004
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CN201620932424.6U Active CN205987679U (en) | 2016-08-24 | 2016-08-24 | Control cabinet |
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CN (1) | CN205987679U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112867315A (en) * | 2021-01-05 | 2021-05-28 | 郑州铁路职业技术学院 | Power supply device for urban rail operation |
-
2016
- 2016-08-24 CN CN201620932424.6U patent/CN205987679U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112867315A (en) * | 2021-01-05 | 2021-05-28 | 郑州铁路职业技术学院 | Power supply device for urban rail operation |
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