CN107171193B - Electrical cabinet heat radiation arrangement units and control method - Google Patents
Electrical cabinet heat radiation arrangement units and control method Download PDFInfo
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- CN107171193B CN107171193B CN201710446106.8A CN201710446106A CN107171193B CN 107171193 B CN107171193 B CN 107171193B CN 201710446106 A CN201710446106 A CN 201710446106A CN 107171193 B CN107171193 B CN 107171193B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/301—Cabinet-type casings; Parts thereof or accessories therefor mainly consisting of a frame onto which plates are mounted
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
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Abstract
The present invention discloses a kind of electrical cabinet heat radiation arrangement units, and including two adjacent electrical cabinets, the electrical cabinet is divided into multiple independent switchgear houses, and each switchgear house is equipped with air inlet and temp probe；Radiator is equipped between two electrical cabinets, exhausting frame of the radiator by being located in the middle extractor fan and positioned at two sides is constituted；Extractor fan includes pedestal, wind chamber and cover board；The exhausting frame includes bottom plate, column, rectangle frame, clump weight and fan housing；There is gap between pedestal and bottom plate, has gap between the cover board, exhausting frame and adjacent electric cabinet；All indoor temp probe signals of distribution are all input to a controller, which controls the motor work of the fan.The beneficial effects of the present invention are: there is gap between two adjacent electrical cabinets, increase heat dissipation area, radiator can be used for radiating, while can reduce the influence that fan vibration generates electrical cabinet.The invention also discloses a kind of electrical cabinet heat radiations to arrange control method.
Description
Technical field
The present invention relates to a kind of electrical cabinet, especially a kind of electrical cabinet heat radiation arrangement units and control method.
Background technique
Electrical cabinet is common electrical equipment, is used to install electrical component, be generally positioned in power distribution station.Existing electricity
There are following technical problems for gas holder:
First, due to the difference of operating current, power, various electrical component fevers are not identical, these electrical components are set
In in same working environment, the big element of calorific value be easy it is small to calorific value have an impact, for this purpose, more advanced electrical cabinet
Electrical cabinet is usually divided into multiple spaces, keeps calorific value big together, calorific value is small together, to avoid interfering with each other；
Second, when electrical cabinet arranges in power distribution station, usually it is ordered in two a row or multi-row, adjacent electrical cabinets and leans against
Together, first reduce the area of heat dissipation, in addition, some cabinet temperature are high, some temperature are low, are close together and are also easy mutual shadow
It rings；
Third, existing electrical cabinet, usually on cabinet body outer wall perhaps in cabinet door again or fan, fan is arranged in top
As the power of convection current, convenient for the discharge of hot-air in electrical cabinet, enter cool exterior air with cooling, the problem of fan be
Vibration is easy to produce in use process, the bigger fan vibration of power is bigger, especially after prolonged use, dust accumulation inside fan
Shi Zhendong is very big, these small vibrations are once passed on electric elements, is easy to produce three problems, and one is to make electric elements
Connecting terminal at be easy off-line, so that failure is generated, the other is making the electricity on the element such as circuit board inside electric elements
The easy loosening such as resistance, capacitor, influences the service life of electric elements, and there are also be exactly to be easy to generate maloperation because of vibration.
Since there are such problems, it is therefore necessary to improve to existing electrical cabinet.
Summary of the invention
A kind of electrical cabinet heat radiation of the external heat radiation designed the purpose of the present invention is to solve the deficiency of above-mentioned technology
Arrangement units.
A kind of electrical cabinet heat radiation arrangement units designed by the present invention, including two adjacent electrical cabinets, described is electrical
Cabinet is divided into multiple independent switchgear houses, and each switchgear house is equipped with air inlet and temp probe；It is characterized by: two electricity
Radiator is equipped between gas holder, each switchgear house is equipped with ventilation opening close to the side of radiator；
Exhausting frame of the radiator by being located in the middle extractor fan and positioned at two sides is constituted；
The extractor fan includes pedestal, wind chamber and cover board；The wind chamber is arranged on the base, under the pedestal
Side is equipped with cushion one, is equipped with multiple groups exhaust column in the side of the left and right of wind chamber two, each group of exhaust column is divided into two up and down, often
Air-valve A and air-valve B are respectively equipped on one group of two exhaust columns；Outlet air is additionally provided in the lower part of two sides in the left and right of wind chamber
Pipe, discharge pipe are equipped with outlet valve；It is equipped with installing pipe in wind top of chamber, fan is installed in installing pipe；The front and back of the wind chamber
Two sides are respectively equipped with two connecting rods up and down, are equipped with cross bar in the interlinking lever end, the cover board is two pieces of front and back and connects respectively
It connects on corresponding cross bar；
The exhausting frame includes bottom plate, column, rectangle frame, clump weight and fan housing；The rectangle frame is set by the column
Above the one end of bottom plate close to electrical cabinet, the clump weight is located on bottom plate, and cushion two, institute are equipped with below the bottom plate
The four edges for stating rectangle frame are equipped with through slot；The quantity of the fan housing is identical as the ventilation opening quantity of respective side electrical cabinet and position
It corresponds, the fan housing back side is equipped with upper and lower two ventilations nozzle, each fan housing is correspondingly connected with one group of exhaust column and wind
It is connected between the ventilation nozzle and exhaust column of cover by telescoping tube；The fan housing is connected to the side of rectangle frame by connection structure
On；
The connection structure includes casing, telescopic rod, hand nutting, spring and link block, and described sleeve pipe outer end is equipped with
External thread section, the hand nutting are located on the external thread section, and casing inner end is equipped with stop collar, and described sleeve pipe passes through described logical
Slot, hand nutting and stop collar are located inside and outside the side of rectangle frame, and the spring is located at casing and is located at rectangle frame
On part between side and stop collar, the telescopic rod passes through described sleeve pipe, is additionally provided on casing and locks to telescopic rod
Hand screw；The link block is located at the inner end of telescopic rod, which is connected with the fan housing outer wall；
There is gap between the pedestal and bottom plate, has gap between the cover board, exhausting frame and adjacent electric cabinet；It is all
The indoor temp probe signal of distribution is all input to a controller, which controls the motor work of the fan.
Electrical cabinet heat radiation arrangement units designed by the present invention, its beneficial effect is: between two adjacent electrical cabinets
There is gap, increase heat dissipation area, radiator can be used for radiating, it is the dynamic of two adjacent electrical cabinet inner air flows
Power, fan be provided only on extractor fan, and be not be arranged on electrical cabinet, extractor fan and electrical cabinet are independent point
It opens, extractor fan can't too greatly influence the electric elements inside electrical cabinet because of the vibration that fan generates；To ensure
Ensure the stability of electrical cabinet work while heat dissipation effect.
A kind of electrical cabinet heat radiation arrangement control method has also been devised in the present invention, above electrical cabinet heat radiation row of the present invention
Column unit, it is characterised in that worked by the motor of controller control fan, control process is as follows:
Usually, TA fan work is primary at regular intervals, and working method is that motor reverses blowing outlet air simultaneously inside
Valve is opened, and the air sucked from wind top of chamber is discharged from the discharge pipe of wind chamber lower part, makes to be accumulated between two electrical cabinets
Stream of hot air is moved up and is discharged；
When some distribution room temperature is higher than TL, the air-valve A communicated with fan housing corresponding to the switchgear house is opened, air-valve B
Close, while outlet valve is closed, the motor of fan rotates forward outside exhausting, the indoor hot-air of the distribution through fan housing, air-valve A and its
It is extracted out after place exhaust column, wind chamber by fan, outside air fills into the switchgear house from corresponding air inlet to cool down；
When some distribution room temperature is higher than TH, the air-valve B of fan housing corresponding to the switchgear house is also opened, in the switchgear house
Hot-air extracted out through fan housing, air-valve A, air-valve B and exhaust column where them, after wind chambers by fan, outside air is from corresponding
Air inlet fills into the switchgear house to cool down, and wherein TH is greater than TL；
Further embodiment is: fan rotate forward when revolving speed VC control it is as follows: VC=P*VM, P=(NA+NB)/NZ or
Person P=(NA+2NB)/(NZ+NB)；Wherein: VM is the maximum (top) speed of fan, and NA is the quantity of the air-valve A opened, and NB is to open
The quantity of air-valve B, NZ are the sum of air-valve A and air-valve B.
Electrical cabinet heat radiation designed by the present invention arranges control method, its beneficial effect is: the work of fan more intelligence
Can, good heat dissipation effect is highly-safe.
Detailed description of the invention
Fig. 1 is the main view of embodiment 1；
Fig. 2 is the main view of embodiment 1, and figure cover plate is not installed, and electrical cabinet cabinet door is in open shape；
Fig. 3 is the main view of 1 radiator of embodiment；
Fig. 4 is the enlarged drawing in the upper left corner Fig. 3；
Fig. 5 is the side view of extractor fan；
Fig. 6 is the side view of exhausting frame；
Fig. 7 is the enlarged drawing in the upper left corner Fig. 6；
Fig. 8 is the structural schematic diagram of connection structure；
Fig. 9 is the control schematic diagram of embodiment 1；
In figure:
Electrical cabinet 1, air inlet 2, temp probe 3, radiator 4, ventilation opening 5；
Extractor fan 6, pedestal 61, wind chamber 62, cover board 63, cushion 1, exhaust column 65, discharge pipe 66, installing pipe 67,
Fan 68, connecting rod 69, cross bar 60；
Exhausting frame 7, bottom plate 71, column 72, rectangle frame 73, clump weight 74, fan housing 75, cushion 2 76, ventilation nozzle 77,
Telescoping tube 78, through slot 79；
Connection structure 8, casing 81, telescopic rod 82, hand nutting 83, spring 84, link block 85, external thread section 86, limit
Ring 87, hand screw 88.
Specific embodiment
The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Figure 1, 2, electrical cabinet heat radiation arrangement units described in the present embodiment, including two adjacent electrical cabinets 1,
The electrical cabinet 1 is divided into multiple independent switchgear houses, and each switchgear house is equipped with air inlet 2 and temp probe 3；Its feature exists
In: radiator 4 is equipped between two electrical cabinets 1, each switchgear house is equipped with ventilation opening close to the side of radiator 4
5；
As shown in figure 3, exhausting frame 7 of the radiator 4 by being located in the middle extractor fan 6 and positioned at two sides is constituted；
Such as Fig. 4,5, the extractor fan 6 includes pedestal 61, wind chamber 62 and cover board 63；The wind chamber 62 is arranged described
On pedestal 61, be equipped with cushion 1 below the pedestal 61, cushion 1 be placed in bottom to the vibration of extractor fan 6 into
Row buffering generally reduces the vibration of extractor fan 6；It is equipped with multiple groups exhaust column 65 in the side of the left and right of wind chamber 62 two, it is each
It is upper and lower two that group exhaust column 65, which is divided to, is respectively equipped with air-valve A and air-valve B on each group of two exhaust columns 65；In wind chamber 62
The lower part of two sides in left and right is additionally provided with discharge pipe 66, and discharge pipe 66 is equipped with outlet valve；Installing pipe is equipped at the top of wind chamber 62
67, fan 68 is installed in installing pipe 67；The front and rear sides face of the wind chamber 62 is respectively equipped with two connecting rods 69 up and down, described
69 end of connecting rod is equipped with cross bar 60, and the cover board 63 is two pieces of front and back and is connected on corresponding cross bar 60 and (can pass through spiral shell
Nail connection).
Such as Fig. 6, shown in 7, the exhausting frame 7 includes bottom plate 71, column 72, rectangle frame 73, clump weight 74 and fan housing 75；Institute
It states rectangle frame 73 and bottom plate 71 is located above one end of electrical cabinet 1 by the column 72, the clump weight 74 is located at bottom plate
On 71, cushion 2 76 is equipped with below the bottom plate 71, cushion 2 76 is placed in vibration of 7 bottom of exhausting frame to exhausting frame 7
It is dynamic to be buffered, generally reduce the vibration of exhausting frame 7, clump weight 74 is to increase the whole weight of exhausting frame 7 to be allowed to be not easy to shake
It moves, be not easy to shift；The four edges of the rectangle frame 73 are equipped with through slot 79；The quantity and respective side electrical cabinet 1 of the fan housing 75
5 quantity of ventilation opening is identical and position corresponds, 75 back side of fan housing is equipped with upper and lower two ventilations nozzle 77, each
Fan housing 75 is correspondingly connected between the ventilation nozzle 77 and exhaust column 65 of one group of exhaust column 65 and fan housing 75 to be connected by telescoping tube 78；
The fan housing 75 is connected on the side of rectangle frame 73 by connection structure 8；
Such as Fig. 8, the connection structure 8 includes casing 81, telescopic rod 82, hand nutting 83, spring 84 and link block 85,
81 outer end of described sleeve pipe is equipped with external thread section 86, and the hand nutting 83 is located on the external thread section 86, and 81 inner end of casing is equipped with
Stop collar 87, described sleeve pipe 81 pass through the through slot 79, and hand nutting 83 and stop collar 87 are located at the side of rectangle frame 73
Inside and outside, the spring 84 is located on the part that casing 81 is located between the side and stop collar 87 of rectangle frame 73, described flexible
Bar 82 passes through described sleeve pipe 81, and the hand screw 88 locked to telescopic rod 82 is additionally provided on casing 81；The link block
85 are located at the inner end of telescopic rod 82, which is connected and (is such as connected by screw to) with 75 outer wall of fan housing；It is such
Connection structure 8, the adjustable length when hand screw 88 unclamps of telescopic rod 82 make fan housing 75 in the horizontal direction in reasonable position
It sets, when hand screw 88 is locked, telescopic rod 82 is fixed, and when hand nutting 83 unclamps, connection structure 8 can be vertical
Direction adjusts height, and in addition when hand nutting 83 is in more loose position, due to the effect of spring 84, connection structure 8 will not
It falls, is easily installed telescopic rod 82, and when hand nutting 83 is locked, the position of connection structure 8 also secures, the position of fan housing 75
It sets and is also able to fixed (being allowed to opposite with ventilation opening)；The advantage that this connection structure has position adjustable, easy for installation, but use
This connection structure, each electrical cabinet 1 is at most only divided into former and later two switchgear houses in the same horizontal position, because fan housing 75 exists
Horizontal direction can only fix front and back two.
There is gap between the pedestal 61 and bottom plate 71, the distance in gap is at 1 centimetre -10 centimetres, such extractor fan 6
It is substantial separated from exhausting frame 7, prevents the transmitting vibrated each other；The cover board 63, exhausting frame 7 and adjacent electric cabinet 1 it
Between have gap；Gap between cover board 63 and electrical cabinet 1 is between 5 millimeters to 1 centimetre, the rectangle frame and electrical cabinet 1 of exhausting frame 7
Gap can be at 1 centimetre to 10 centimetres, and gap is the smaller the better between the fan housing 75 of exhausting frame 7 and electrical cabinet 1, should control
Within 5 millimeters, when such 75 exhausting of fan housing, the indoor air of distribution can be extracted out by fan housing 75 as far as possible, the smaller efficiency in gap
Higher, gap is bigger, and efficiency is lower；It should be noted that can 75 front end of fan housing be arranged can with the soft seal circle of deformation,
Soft seal circle is set to contact formation sealing with electrical cabinet 1, since soft seal circle can avoid as far as possible the biography of vibration with deformation
It passs, but the efficiency of 75 exhausting of fan housing can be increased substantially；
Such as Fig. 9, all indoor 3 signals of temp probe of distribution are all input to a controller, which controls the wind
The motor work of fan 68.
The cooling control method of this electrical cabinet heat radiation arrangement units, can be using simplest, and fan 68 is periodically opened
Exhausting, all valves are also opened when fan 68 works, and the air between the indoor air of each distribution and electrical cabinet can be by wind
Fan 68 is taken away, to reach heat dissipation effect.
It should be understood that electrical cabinet heat radiation arrangement units described in the present embodiment included is two electrical cabinets, i.e.,
One unit when every number of rows amount is more when a switchgear house, such as ten, can use the present embodiment with two for a unit
Scheme arrangement.
Embodiment 2:
Electrical cabinet heat radiation described in the present embodiment arranges control method, electrical cabinet heat radiation row described in example 1 above
Column unit is worked by the motor of controller control fan 68；Control process is as follows unlike the first embodiment:
Usually, TA(such as half an hour at regular intervals) fan 68 works primary (continuing 5-10 minute every time), works
Mode is that motor reverses the outlet valve opening simultaneously of blowing inside, outlet air of the air sucked at the top of wind chamber 62 from 62 lower part of wind chamber
It is discharged at pipe 66, moves up the stream of hot air being accumulated between two electrical cabinets 1 and be discharged；At this time due to there is no switchgear house to need
It wants exhausting therefore all air-valve A and air-valve B is to close；
When some distribution room temperature is higher than TL(but is not higher than TH) when, with the wind that fan housing 75 communicates corresponding to the switchgear house
Valve A is opened, and air-valve B is closed, while outlet valve is closed, and the motor of fan 68 rotates forward outside exhausting, the indoor hot-air of the distribution
It is extracted out after fan housing 75, air-valve A and its place exhaust column 65, wind chamber 62 by fan 68, outside air is mended from corresponding air inlet 2
Enter the switchgear house to cool down；This step indicate some distribution room temperature it is higher, be higher than TL(such as 50 degrees Celsius) when needs radiate
Mode,
(illustrate that previous action fails to that corresponding distribution room temperature is made to lower instead when some distribution room temperature is higher than TH
And gone up, at this moment should increase the exhausting ability of fan housing 75), the air-valve B of fan housing 75 corresponding to the switchgear house is also opened,
The indoor hot-air of the distribution is taken out after fan housing 75, air-valve A, air-valve B and exhaust column 65, wind chamber 62 where them by fan 68
Out, outside air fills into the switchgear house from corresponding air inlet 2 to cool down, and wherein TH is greater than TL.This step indicates some distribution
Room temperature is very high, is higher than such as 70 degrees Celsius of TH() when the mode that radiates of needs, compared to the last time, air-valve A, air-valve B are beaten simultaneously
75 exhausting ability of fan housing can be increased by opening；
Fan 68 can be in same rotating speed always, changed using the folding variation of air-valve A, air-valve B fan housing 75 in TL and
The exhausting ability of TH.
Embodiment 3:
Electrical cabinet heat radiation described in the present embodiment arranges control method, with embodiment 2 the difference is that: fan 68
The control of revolving speed VC when rotating forward is as follows:
VC=P*VM, P=(NA+NB)/NZ；
Wherein: VM is the maximum (top) speed of fan 68；
NA is the quantity of the air-valve A opened；
NB is the quantity of the air-valve B opened；
NZ is the sum of air-valve A and air-valve B；
When open valve is more, the work of fan 68 is faster.
Embodiment 4:
Electrical cabinet heat radiation described in the present embodiment arranges control method, with embodiment 2 the difference is that: fan 68
The control of revolving speed VC when rotating forward is as follows:
VC=P*VM, P=(NA+2NB)/(NZ+NB)；
Wherein: VM is the maximum (top) speed of fan 68,
NA is the quantity of the air-valve A opened,
NB is the quantity of the air-valve B opened,
NZ is the sum of air-valve A and air-valve B.
This method increases the weight of air-valve B, and the influence that the increase of air-valve B quantity increases 68 revolving speed of fan is greater than
Air-valve A, because needing bigger exhausting ability to ensure heat dissipation effect in very high temperature, to ensure the normal of internal element
Work and service life.
Claims (2)
1. a kind of electrical cabinet heat radiation arranges control method, electrical cabinet heat radiation arrangement units are used；
The electrical cabinet heat radiation arrangement units include two adjacent electrical cabinets (1), and the electrical cabinet (1) is divided into multiple only
Vertical switchgear house, each switchgear house are equipped with air inlet (2) and temp probe (3)；Heat dissipation is equipped between two electrical cabinets (1)
Device (4), each switchgear house are equipped with ventilation opening (5) close to the side of radiator (4)；
Exhausting frame (7) of the radiator (4) by being located in the middle extractor fan (6) and positioned at two sides is constituted；
The extractor fan (6) includes pedestal (61), wind chamber (62) and cover board (63)；The wind chamber (62) is arranged at the bottom
On seat (61), it is equipped with cushion one (64) below the pedestal (61), is taken out in the side of the left and right of wind chamber (62) two equipped with multiple groups
Air hose (65), each group of exhaust column (65) are divided into two up and down, be respectively equipped on each group of two exhaust columns (65) air-valve A and
Air-valve B；It is additionally provided with discharge pipe (66) in the lower part of two sides in left and right of wind chamber (62), discharge pipe (66) is equipped with outlet valve；
Installing pipe (67) are equipped at the top of wind chamber (62), fan (68) are installed in installing pipe (67)；The front and back two of the wind chamber (62)
Side is respectively equipped with two connecting rods (69) up and down, cross bar (60) is equipped in the connecting rod (69) end, before the cover board (63) is
It two pieces and is connected on corresponding cross bar (60) afterwards；
The exhausting frame (7) includes bottom plate (71), column (72), rectangle frame (73), clump weight (74) and fan housing (75)；The square
Shape frame (73) is located at bottom plate (71) above the one end of electrical cabinet (1) by the column (72), and the clump weight (74) sets
On bottom plate (71), cushion two (76) is equipped with below the bottom plate (71), the four edges of the rectangle frame (73) are equipped with
Through slot (79)；The quantity of the fan housing (75) is identical as ventilation opening (5) quantity of respective side electrical cabinet (1) and position one is a pair of
It answers, the fan housing (75) back side is equipped with upper and lower two ventilation nozzles (77), each fan housing (75) is correspondingly connected with one group of exhausting
It manages (65) and is connect between the ventilation nozzle (77) and exhaust column (65) of fan housing (75) by telescoping tube (78)；The fan housing (75)
It is connected on the side of rectangle frame (73) by connection structure (8)；
The connection structure (8) includes casing (81), telescopic rod (82), hand nutting (83), spring (84) and link block
(85), described sleeve pipe (81) outer end is equipped with external thread section (86), and the hand nutting (83) is located on the external thread section (86), covers
It manages (81) inner end and is equipped with stop collar (87), described sleeve pipe (81) passes through the through slot (79), hand nutting (83) and stop collar
(87) it is located inside and outside the side of rectangle frame (73), the spring (84) is located at casing (81) and is located at rectangle frame (73)
On part between side and stop collar (87), the telescopic rod (82) passes through described sleeve pipe (81), is additionally provided on casing (81)
The hand screw (88) that telescopic rod (82) is locked；The link block (85) is located at the inner end of telescopic rod (82), the connection
Block (85) is connected with the fan housing (75) outer wall；
There are gap, the cover board (63), exhausting frame (7) and adjacent electric cabinet (1) between the pedestal (61) and bottom plate (71)
Between have gap；All indoor temp probe of distribution (3) signals are all input to a controller, which controls the fan
(68) motor work；
It is characterized in that being worked by the motor of controller control fan (68), control process is as follows:
Usually, TA fan (68) work at regular intervals is primary, and working method is that motor reverses blowing outlet air simultaneously inside
Valve is opened, and the air sucked from wind chamber (62) top is discharged at the discharge pipe (66) of wind chamber (62) lower part, makes to be accumulated in two
Stream of hot air between electrical cabinet (1) is moved up and is discharged；
When some distribution room temperature is higher than TL, the air-valve A communicated with fan housing corresponding to the switchgear house (75) is opened, air-valve B
Close, while outlet valve is closed, the motor of fan (68) rotates forward outside exhausting, the indoor hot-air of the distribution through fan housing (75),
It is extracted out after air-valve A and its place exhaust column (65), wind chamber (62) by fan (68), outside air is mended from corresponding air inlet (2)
Enter the switchgear house to cool down；
When some distribution room temperature is higher than TH, the air-valve B of fan housing (75) corresponding to the switchgear house is also opened, in the switchgear house
Hot-air extracted out through fan housing (75), air-valve A, air-valve B and exhaust column (65) where them, after wind chambers (62) by fan (68),
Outside air fills into the switchgear house from corresponding air inlet (2) to cool down, and wherein TH is greater than TL.
2. electrical cabinet heat radiation according to claim 1 arranges control method, it is characterised in that: turn when fan (68) rotates forward
The control of fast VC is as follows: VC=P*VM, P=(NA+NB)/NZ or P=(NA+2NB)/(NZ+NB)；Wherein: VM is fan
(68) maximum (top) speed, NA are the quantity of the air-valve A opened, and NB is the quantity of the air-valve B opened, and NZ is air-valve A's and air-valve B
Sum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446106.8A CN107171193B (en) | 2017-06-14 | 2017-06-14 | Electrical cabinet heat radiation arrangement units and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446106.8A CN107171193B (en) | 2017-06-14 | 2017-06-14 | Electrical cabinet heat radiation arrangement units and control method |
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| CN107171193A CN107171193A (en) | 2017-09-15 |
| CN107171193B true CN107171193B (en) | 2019-02-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107910763A (en) * | 2017-12-04 | 2018-04-13 | 江苏海事职业技术学院 | A kind of high pressure heat-dissipation switch cabinet |
| CN111740334B (en) * | 2020-07-24 | 2022-04-22 | 广东电网有限责任公司惠州供电局 | Heat radiator |
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| CN205377115U (en) * | 2016-01-03 | 2016-07-06 | 西山煤电（集团）天安电气有限责任公司 | Distribution cabinet |
| CN205596494U (en) * | 2016-01-03 | 2016-09-21 | 南昌永皓通用设备有限公司 | Take air conditioning function's novel regulator cubicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3383738B2 (en) * | 1996-05-22 | 2003-03-04 | 三菱電機株式会社 | control panel |
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2017
- 2017-06-14 CN CN201710446106.8A patent/CN107171193B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205377115U (en) * | 2016-01-03 | 2016-07-06 | 西山煤电（集团）天安电气有限责任公司 | Distribution cabinet |
| CN205596494U (en) * | 2016-01-03 | 2016-09-21 | 南昌永皓通用设备有限公司 | Take air conditioning function's novel regulator cubicle |
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Effective date of registration: 20181228 Address after: 523710 2/F, No. 2, 1st Street, 128 Industrial Zone, Xingwei Community, Tangxia Town, Dongguan City, Guangdong Province Applicant after: Guangdong Qianliang Intelligent Technology Co., Ltd. Address before: 311202 Zhejiang Hangzhou Xiaoshan District North stem Street Xingyi village Hangzhou Yan Yan Technical Developing Company Applicant before: Hangzhou Ruyan Technology Development Co., Ltd. |
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