CN108365527A - A kind of transformation cabinet with rapid cooling function - Google Patents
A kind of transformation cabinet with rapid cooling function Download PDFInfo
- Publication number
- CN108365527A CN108365527A CN201810229442.1A CN201810229442A CN108365527A CN 108365527 A CN108365527 A CN 108365527A CN 201810229442 A CN201810229442 A CN 201810229442A CN 108365527 A CN108365527 A CN 108365527A
- Authority
- CN
- China
- Prior art keywords
- transformation cabinet
- fixedly connected
- cabinet ontology
- fixed
- transformation
- 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.)
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Classifications
-
- 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
-
- 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
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of transformation cabinets with rapid cooling function, including transformation cabinet ontology, the inside of the transformation cabinet ontology is fixedly connected with fixed plate, the upper surface of fixed plate is fixedly connected there are two symmetrical fixed link, and one side of each fixed link far from fixed plate is fixedly connected with the inner roof wall of transformation cabinet ontology.The transformation cabinet with rapid cooling function, by the way that fixed link is arranged in the inside of transformation cabinet ontology, lantern ring, screwed pipe and screw rod, clockwise and anticlockwise motor can drive connecting rod to move up and down, so as to drive movable plate to be moved up and down inside through-hole, the thermal current of transformation cabinet body interior can be driven quickly to flow, the thermal current of transformation cabinet body interior is swapped by the first heat emission hole and the second heat emission hole with outside air, the heat dissipation of transformation cabinet ontology can be made quicker, the effective damage for avoiding transformation cabinet body interior transformer equipment, transformation cabinet ontology can be made more convenient to use.
Description
Technical field
The present invention relates to transformer equipment technical field, specially a kind of transformation cabinet with rapid cooling function.
Background technology
Substation is voltage of transformation in electric system, receiving and distribution electric energy, the flow direction for controlling electric power and adjustment voltage
Electric power facility, it is got up the grid contact of each step voltage by its transformer, and various set up device are needed in substation,
These device types are more, including outside transformer class, Switch, four small device classes, Reactive Power Device class equipment, also other equipment and
Auxiliary device, such as trap, insulator, bushing, guide wire, earthing or grounding means, secondary device and HVDC Equipments, this
A little equipment are referred to as transformer equipment.
Transformer equipment is usually arranged outdoors by transformation cabinet, and under overall situation outdoors, transformation cabinet temperature is easy to be higher,
Existing most of transformation cabinet heat sinking functions are poor, are easy to damage transformer equipment, and affecting the normal of transformer equipment makes
With use is more inconvenient.
Invention content
(One)The technical issues of solution
In view of the deficiencies of the prior art, it the present invention provides a kind of transformation cabinet with rapid cooling function, solves existing
The poor problem of most of transformation cabinet heat sinking functions.
(Two)Technical solution
To achieve the above object, the present invention provides the following technical solutions:A kind of transformation cabinet with rapid cooling function, including become
The inside of electric cabinet ontology, the transformation cabinet ontology is fixedly connected with fixed plate, and the upper surface of the fixed plate is fixedly connected with two
A symmetrical fixed link, one side of each fixed link far from fixed plate, which is fixed with the inner roof wall of transformation cabinet ontology, to be connected
It connects, the inside of the fixed plate, which is fixed, is inlaid with bearing, and positive and negative rotation electricity is fixedly connected on the inner roof wall of the transformation cabinet ontology
Machine, the clockwise and anticlockwise motor are located between two fixed links, and the output end of the clockwise and anticlockwise motor is fixedly connected with screw rod, described
Outer surface of the screw rod far from clockwise and anticlockwise motor one end is fixedly connected with the inner ring of bearing, and the outer surface thread of the screw rod is connected with
Screwed pipe, the lateral surface of the screwed pipe are fixedly connected with that there are two symmetrical connecting rods, and the inside of the fixed plate offers
The bottom surface of two symmetrical through-holes, each connecting rod has been fixedly connected with strut, and the bottom surface of each strut is solid
Surely it is connected with movable plate in the form of annular discs, opens up that there are two symmetrical second heat dissipations on the inner roof wall of the transformation cabinet ontology
The inside fixation in hole, each second heat emission hole is inlaid with the second strainer, is opened up on the madial wall of the transformation cabinet ontology
There are two groups of first symmetrical heat emission holes, the inside of each first heat emission hole is fixed to be inlaid with the first strainer, and described the
The quantity of one heat emission hole is at least six, and each first heat emission hole is respectively positioned on the lower section of movable plate.
Preferably, the front of the transformation cabinet ontology is fixedly hinged with sealing plate by two hinges, and the sealing plate is remote
The front of clutch page is fixedly connected with handle.
Preferably, the bearing is located between two fixed links, and the clockwise and anticlockwise motor is located at the surface of bearing.
Preferably, the bearing is located between two through-holes, and two through-holes are respectively positioned between two fixed links.
Preferably, the one side that two connecting rods are located remotely from each other has been fixedly connected with set compatible with fixed link
Ring, and two lantern rings socket-connect with two fixed links respectively.
Preferably, the diameter value of the movable plate is less than the diameter value of through-hole, and the movable plate is located at the surface of through-hole.
(Three)Advantageous effect
The present invention provides a kind of transformation cabinets with rapid cooling function, have following advantageous effect:
(1)The transformation cabinet with rapid cooling function, by the way that clockwise and anticlockwise motor, Neng Gouwei is arranged in the inside of transformation cabinet ontology
The radiator of transformation cabinet ontology provides power, and the heat dissipation of transformation cabinet ontology can be made quicker, be conducive to transformation cabinet ontology
The effective protection of internal transformer equipment can by the way that the first heat emission hole and the second heat emission hole is arranged in the inside of transformation cabinet ontology
Transformation cabinet ontology is discharged in the thermal current of transformation cabinet body interior, significantly more efficient heat dissipation can be carried out to transformation cabinet ontology.
(2)The transformation cabinet with rapid cooling function, by the inside of transformation cabinet ontology be arranged fixed link, lantern ring,
Screwed pipe and screw rod, under the collective effect of screwed pipe, screw rod and bearing, clockwise and anticlockwise motor can drive connecting rod to carry out up and down
It is mobile, so as to drive movable plate to be moved up and down inside through-hole, by movable plate in through-hole internal activity, change can be driven
The thermal current of electric cabinet body interior quickly flows, and the thermal current of transformation cabinet body interior passes through the first heat emission hole and the second heat emission hole
It is swapped with outside air, the heat dissipation of transformation cabinet ontology can be made quicker, effectively avoid the change of transformation cabinet body interior
The damage of electric equipment can make transformation cabinet ontology more convenient to use.
Description of the drawings
Fig. 1 is transformation cabinet ontology front view of the present invention;
Fig. 2 is the sectional view of transformation cabinet ontology front view of the present invention.
In figure:1 transformation cabinet ontology, 2 hinges, 3 sealing plates, 4 handles, 5 fixed links, 6 lantern rings, 7 struts, 8 movable plates, 9
One heat emission hole, 10 first strainers, 11 connecting rods, 12 second heat emission holes, 13 screw rods, 14 second strainers, 15 clockwise and anticlockwise motors, 16 spiral shells
Line pipe, 17 bearings, 18 through-holes, 19 fixed plates.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of transformation cabinet with rapid cooling function, including
The front of transformation cabinet ontology 1, transformation cabinet ontology 1 is fixedly hinged with sealing plate 3 by two hinges 2, and sealing plate 3 is far from hinge 2
Front be fixedly connected with handle 4, the inside of transformation cabinet ontology 1 is fixedly connected with fixed plate 19, and the upper surface of fixed plate 19 is solid
Fixed connection there are two symmetrical fixed link 5, one side of each fixed link 5 far from fixed plate 19 with transformation cabinet ontology 1
Inner roof wall is fixedly connected, and the inside of fixed plate 19, which is fixed, is inlaid with bearing 17, and bearing 17 is located between two fixed links 5, power transformation
Clockwise and anticlockwise motor 15 is fixedly connected on the inner roof wall of cabinet ontology 1, clockwise and anticlockwise motor 15 is also known as motor positive and inverse, and representative is electricity
Machine is rotated clockwise and is rotated counterclockwise, and it is that motor rotates forward that motor, which rotates clockwise, and it is motor reversal that motor, which rotates counterclockwise, just
Reverse turn control circuit figure and its principle analysis will realize the positive and negative rotation of motor, as long as will be connected in motor three phase mains inlet wire
Arbitrary two-phase exchange the purpose that wiring can reach reversion, power can be provided for mobile device, clockwise and anticlockwise motor 15 is existing
There is the equipment well known to technology, therefore, is no longer aligned with reversion motor 15 and is excessively described, can be dissipating for transformation cabinet ontology 1
Thermal provides power, and the heat dissipation of transformation cabinet ontology 1 can be made quicker, be conducive to 1 inside transformer equipment of transformation cabinet ontology
Effective protection, clockwise and anticlockwise motor 15 is located between two fixed links 5, and the output end of clockwise and anticlockwise motor 15 is fixedly connected with screw rod
13, outer surface of the screw rod 13 far from 15 one end of clockwise and anticlockwise motor is fixedly connected with the inner ring of bearing 17, and clockwise and anticlockwise motor 15 is located at
The outer surface thread of the surface of bearing 17, screw rod 13 is connected with screwed pipe 16, and the lateral surface of screwed pipe 16 is fixedly connected with two
A symmetrical connecting rod 11, the one side that two connecting rods 11 are located remotely from each other have been fixedly connected with compatible with fixed link 5
Lantern ring 6, and two lantern rings 6 socket-connect with two fixed links 5 respectively, in the collective effect of screwed pipe 16, screw rod 13 and bearing 17
Under, clockwise and anticlockwise motor 15 can drive connecting rod 11 to move up and down, so as to drive movable plate 8 inside the through-hole 18 on
The inside of lower movement, fixed plate 19 is opened up there are two symmetrical through-hole 18, and bearing 17 is located between two through-holes 18, and two logical
Hole 18 is respectively positioned between two fixed links 5, and the bottom surface of each connecting rod 11 has been fixedly connected with strut 7, the bottom surface of each strut 7
It is fixedly connected with movable plate 8 in the form of annular discs, the diameter value of movable plate 8 is less than the diameter value of through-hole 18, and movable plate 8 is located at logical
The surface in hole 18, opens up that there are two the second symmetrical heat emission hole 12, each second heat dissipations on the inner roof wall of transformation cabinet ontology 1
The fixation of the inside in hole 12 is inlaid with the second strainer 14, and two groups symmetrical first are offered on the madial wall of transformation cabinet ontology 1
The inside fixation of heat emission hole 9, each first heat emission hole 9 is inlaid with the first strainer 10, can be by the heat inside transformation cabinet ontology 1
Transformation cabinet ontology 1 is discharged in air-flow, significantly more efficient heat dissipation can be carried out to transformation cabinet ontology 1, the quantity of the first heat emission hole 9 is at least
It it is six, each first heat emission hole 9 is respectively positioned on the lower section of movable plate 19, being capable of band by movable plate 8 in 18 internal activity of through-hole
Thermal current inside dynamic transformation cabinet ontology 1 quickly flows, and the thermal current inside transformation cabinet ontology 1 passes through the first heat emission hole 9 and the
Two heat emission holes 12 are swapped with outside air, and the heat dissipation of transformation cabinet ontology 1 can be made quicker, effectively avoid transformation cabinet
The damage of 1 inside transformer equipment of ontology, can make transformation cabinet ontology 1 more convenient to use.
Operation principle:Clockwise and anticlockwise motor 15 and municipal power supply are electrically connected, in screwed pipe 16, screw rod 13 and bearing 17
Collective effect under, clockwise and anticlockwise motor 15 drive connecting rod 11 move up and down, to drive movable plate 8 inside through-hole 18
It moves up and down, drives the thermal current inside transformation cabinet ontology 1 quickly to flow, the thermal current inside transformation cabinet ontology 1 passes through first
Heat emission hole 9 and the second heat emission hole 12 are swapped with outside air, keep the heat dissipation of transformation cabinet ontology 1 quicker.
In conclusion should be with the transformation cabinet of rapid cooling function, by the way that positive and negative rotation is arranged in the inside of transformation cabinet ontology 1
Motor 15 can provide power for the radiator of transformation cabinet ontology 1, the heat dissipation of transformation cabinet ontology 1 can be made quicker, favorably
In the effective protection to 1 inside transformer equipment of transformation cabinet ontology, by the way that the first heat emission hole 9 is arranged in the inside of transformation cabinet ontology 1
With the second heat emission hole 12, transformation cabinet ontology 1 can be discharged in the thermal current inside transformation cabinet ontology 1, it can be to transformation cabinet ontology 1
Significantly more efficient heat dissipation is carried out, by the way that fixed link 5, lantern ring 6, screwed pipe 16 and screw rod 13 is arranged in the inside of transformation cabinet ontology 1,
Under the collective effect of screwed pipe 16, screw rod 13 and bearing 17, clockwise and anticlockwise motor 15 can drive connecting rod 11 move down
It is dynamic, it, being capable of band by movable plate 8 in 18 internal activity of through-hole so as to drive movable plate 8 to be moved up and down inside through-hole 18
Thermal current inside dynamic transformation cabinet ontology 1 quickly flows, and the thermal current inside transformation cabinet ontology 1 passes through the first heat emission hole 9 and the
Two heat emission holes 12 are swapped with outside air, and the heat dissipation of transformation cabinet ontology 1 can be made quicker, effectively avoid transformation cabinet
The damage of 1 inside transformer equipment of ontology, can make transformation cabinet ontology 1 more convenient to use.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of transformation cabinet with rapid cooling function, including transformation cabinet ontology(1), it is characterised in that:The transformation cabinet sheet
Body(1)Inside be fixedly connected with fixed plate(19), the fixed plate(19)Upper surface be fixedly connected there are two symmetrical
Fixed link(5), each fixed link(5)Far from fixed plate(19)One side with transformation cabinet ontology(1)Inner roof wall it is solid
Fixed connection, the fixed plate(19)Inside fix be inlaid with bearing(17), the transformation cabinet ontology(1)Inner roof wall on it is fixed
It is connected with clockwise and anticlockwise motor(15), the clockwise and anticlockwise motor(15)Positioned at two fixed links(5)Between, the clockwise and anticlockwise motor
(15)Output end be fixedly connected with screw rod(13), the screw rod(13)Far from clockwise and anticlockwise motor(15)The outer surface of one end and axis
It holds(17)Inner ring be fixedly connected, the screw rod(13)Outer surface thread be connected with screwed pipe(16), the screwed pipe(16)
Lateral surface be fixedly connected there are two symmetrical connecting rod(11), the fixed plate(19)Inside open up there are two symmetrical
Through-hole(18), each connecting rod(11)Bottom surface be fixedly connected with strut(7), each strut(7)Bottom surface
It is fixedly connected with movable plate in the form of annular discs(8), the transformation cabinet ontology(1)Inner roof wall on open up there are two symmetrical
Second heat emission hole(12), each second heat emission hole(12)Inside fixation be inlaid with the second strainer(14), the power transformation
Cabinet ontology(1)Madial wall on offer two groups of first symmetrical heat emission holes(9), each first heat emission hole(9)It is interior
Portion's fixation is inlaid with the first strainer(10), first heat emission hole(9)Quantity be at least six, each first heat dissipation
Hole(9)It is respectively positioned on movable plate(19)Lower section.
2. a kind of transformation cabinet with rapid cooling function according to claim 1, it is characterised in that:The transformation cabinet sheet
Body(1)Front pass through two hinges(2)It is fixedly hinged with sealing plate(3), the sealing plate(3)Far from hinge(2)Front
It is fixedly connected with handle(4).
3. a kind of transformation cabinet with rapid cooling function according to claim 1, it is characterised in that:The bearing(17)
Positioned at two fixed links(5)Between, the clockwise and anticlockwise motor(15)Positioned at bearing(17)Surface.
4. a kind of transformation cabinet with rapid cooling function according to claim 1, it is characterised in that:The bearing(17)
Positioned at two through-holes(18)Between, two through-holes(18)It is respectively positioned on two fixed links(5)Between.
5. a kind of transformation cabinet with rapid cooling function according to claim 1, it is characterised in that:Two connections
Bar(11)The one side being located remotely from each other has been fixedly connected with and fixed link(5)Compatible lantern ring(6), and two lantern rings(6)Point
Not with two fixed links(5)It socket-connects.
6. a kind of transformation cabinet with rapid cooling function according to claim 1, it is characterised in that:The movable plate
(8)Diameter value be less than through-hole(18)Diameter value, the movable plate(8)Positioned at through-hole(18)Surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810229442.1A CN108365527A (en) | 2018-03-20 | 2018-03-20 | A kind of transformation cabinet with rapid cooling function |
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CN201810229442.1A CN108365527A (en) | 2018-03-20 | 2018-03-20 | A kind of transformation cabinet with rapid cooling function |
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CN108365527A true CN108365527A (en) | 2018-08-03 |
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CN201810229442.1A Pending CN108365527A (en) | 2018-03-20 | 2018-03-20 | A kind of transformation cabinet with rapid cooling function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113713408A (en) * | 2021-08-26 | 2021-11-30 | 上海精日新材料科技有限公司 | Multifunctional vacuum decompression concentration tank |
CN114631712A (en) * | 2020-12-16 | 2022-06-17 | 宁波诚可威新材料科技有限公司 | Dehumidification structure of textile sample showcase |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101455199B1 (en) * | 2014-03-19 | 2014-10-27 | 주식회사 나산전기산업 | Multi Heat Dissipation and Ventilation Systems by using Solar Power Generation System |
CN205724556U (en) * | 2016-06-14 | 2016-11-23 | 云南江变电力电器成套设备有限公司 | A kind of novel environment friendly thermostatic low-voltage switch cubicle |
CN106654925A (en) * | 2016-11-24 | 2017-05-10 | 无锡康斯坦特动力科技有限公司 | Power distribution box with heat dissipation function |
CN206533065U (en) * | 2017-03-14 | 2017-09-29 | 山西爱牡彼爱科技有限公司 | One kind radiating electric power distributing cabinet |
-
2018
- 2018-03-20 CN CN201810229442.1A patent/CN108365527A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101455199B1 (en) * | 2014-03-19 | 2014-10-27 | 주식회사 나산전기산업 | Multi Heat Dissipation and Ventilation Systems by using Solar Power Generation System |
CN205724556U (en) * | 2016-06-14 | 2016-11-23 | 云南江变电力电器成套设备有限公司 | A kind of novel environment friendly thermostatic low-voltage switch cubicle |
CN106654925A (en) * | 2016-11-24 | 2017-05-10 | 无锡康斯坦特动力科技有限公司 | Power distribution box with heat dissipation function |
CN206533065U (en) * | 2017-03-14 | 2017-09-29 | 山西爱牡彼爱科技有限公司 | One kind radiating electric power distributing cabinet |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114631712A (en) * | 2020-12-16 | 2022-06-17 | 宁波诚可威新材料科技有限公司 | Dehumidification structure of textile sample showcase |
CN114631712B (en) * | 2020-12-16 | 2023-09-29 | 浙江丰华实业股份有限公司 | Dehumidification structure of textile sample showcase |
CN113713408A (en) * | 2021-08-26 | 2021-11-30 | 上海精日新材料科技有限公司 | Multifunctional vacuum decompression concentration tank |
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Application publication date: 20180803 |