CN207802628U - A kind of inverter radiator with air-duct clapboard - Google Patents
A kind of inverter radiator with air-duct clapboard Download PDFInfo
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- CN207802628U CN207802628U CN201721610762.9U CN201721610762U CN207802628U CN 207802628 U CN207802628 U CN 207802628U CN 201721610762 U CN201721610762 U CN 201721610762U CN 207802628 U CN207802628 U CN 207802628U
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Abstract
The utility model is related to a kind of inverter radiator with air-duct clapboard, belongs to photovoltaic DC-to-AC converter thermal design field.Inverter radiator with air-duct clapboard includes：Centrifugal blower, flows air duct, radiator air passage, radiator and mounting plate at fan installation plate.Six IGBT of inverter are arranged in by A, B, C three-phase in three different cavitys by the utility model, using a centrifugal blower, ensure that the temperature of IGBT does not transfinite.Meanwhile the utility model devises a kind of air duct, ensures that the air quantity for entering three cavitys is uniform, the difference of A phases, B phases and C phase IGBT maximum temperatures is less than 2 DEG C, to make the equalized temperature of every group of IGBT, solves IGBT unevenness flow problems.
Description
Technical field
The utility model is related to photovoltaic DC-to-AC converter thermal design fields, and in particular to a kind of inverter heat dissipation with air-duct clapboard
Device.
Background technology
Corresponding with the demand of lightweight, miniaturization with the rapid development of high-power electronic device, inverter is towards height
Frequently, the direction of large capacity is developed.Each device heating amount is continuously increased in inverter, the degree to interact between each device also with
Intensification.If the heat that each device generates in inverter cannot distribute in time, the operating temperature of device certainly will be caused to increase.
According to statistics, the crash rate of most of electronic devices is all exponentially increased trend with the raising of temperature, and it is temperature over-range to have 55%
Cause.How the heat that electronic device in inverter generates to be distributed, is allowing temperature model to control its operating temperature
Within enclosing, guarantee system is normally run, and is become designer and is needed key problems-solving when carrying out structure design.
As the main power module to play a significant role in photovoltaic combining inverter, IGBT is the maximum device of heat consumption in system
One of part.If without good cooling measure, die temperature easily meets or exceeds junction temperature, so as to cause component failure.
In order on the basis of reducing cost to the greatest extent, obtain suitably solving the organization plan of IGBT heat dissipation problems, the utility model is set
A kind of inverter radiator with air-duct clapboard is counted, to realize that the temperature of IGBT in inverter shown in Fig. 1 controls.Fig. 1 institutes
Show that inverter includes six IGBT, 2 are one group, are respectively designated as A phases, B phases and C phases, the considerations of for cost control, are only made
Cooling air is provided with a centrifugal blower, the reallocation of cooling air volume is realized by two pieces of partition boards, to ensure：1, IGBT
Wen Sheng does not transfinite, 2, A phases, the difference of B phases and C phase IGBT maximum temperatures be less than 2 DEG C, to solve the problems, such as IGBT unevenness streams.
Utility model content
In order on the basis of reducing cost to the greatest extent, obtain suitably solving the organization plan of IGBT heat dissipation problems, this reality
With a kind of inverter radiator with air-duct clapboard of new design, make the equalized temperature of every group of IGBT, it is uneven to solve IGBT
Flow problem, using following technical scheme：
A kind of inverter radiator with air-duct clapboard, including：Centrifugal blower 1, flows air duct 3,3 at fan installation plate 2
4,3 radiators 5 of a radiator air passage and mounting plate 7；
The centrifugal blower 1 is fixed on the lower section of fan installation plate 2,
It is described stream air duct 3 be fixed on the top of fan installation plate 2, mounting plate 7 lower section；
The fan installation plate 2 and mounting plate 7 are both secured on the main frame of inverter；
3 radiator air passages 4 are fixed on the top of mounting plate 7, and discharge side by side；
The radiator air passage 4 is surrounded by four blocks of plates all around, forms exhaust air flue, and square hole is equipped on left side wall；
3 radiators 5 are separately fixed at the square hole location of 4 left side wall of radiator air passage.
Based on the above technical solution, the radiator 5 is fixed on by screw on radiator air passage 4.
Based on the above technical solution, the quantity of IGBT 6 is 6, and each two is one group, the back of the body of each radiator 5
One group of IGBT 6 is fixed on plate.
Based on the above technical solution, it is equipped with air-duct clapboard 1 and air-duct clapboard 29 in the stream air duct 3,
One 8 front and rear sides of the air-duct clapboard be individually fixed in flow air duct 3 inside front-rear side walls on, the air duct every
29 front and rear sides of plate are also individually fixed on the front-rear side walls flowed inside air duct 3；
The distance between the Basolateral of the air-duct clapboard 1 and the Basolateral of air-duct clapboard 29 are 100mm, wind
Partition board one 8 angle with horizontal plane in road is 80 °, and 29 angle with horizontal plane of air-duct clapboard is 80 °, the air-duct clapboard 1 and air duct
Partition board 29 is to be arranged symmetrically.
Based on the above technical solution, the height in the stream air duct 3 is 260mm.
Based on the above technical solution, the centrifugal blower 1 is secured by bolts in the lower section of fan installation plate 2；
Stream 3 lower end of air duct is secured by bolts on fan installation plate 2, and upper end is secured by bolts in the lower section of mounting plate 7；
3 radiator air passages, 4 lower end is individually fixed in the top of mounting plate 7 by bolt respectively；3 radiators 5 difference
It is fixed by screw and radiator air passage 4；The IGBT 6 is fixed by screw and radiator 5.
Based on the above technical solution, add rubber pad for subtracting between the centrifugal blower 1 and fan installation plate 2
Shake；Described flow between 3 lower end of air duct and fan installation plate 2 adds rubber pad to be used for damping, flows 3 upper end of air duct and mounting plate 7
Between plus rubber pad be used for damping.
Based on the above technical solution, the fan installation plate 2 and mounting plate 7 pass through bolt and inverter respectively
Main frame is fixed.
Based on the above technical solution, one 8 front and rear sides of the air-duct clapboard are fixed on by screw respectively flows
On front-rear side walls inside air duct 3,29 front and rear sides of air-duct clapboard are also fixed on respectively by screw and are flowed inside air duct 3
On front-rear side walls.
Technical solutions of the utility model have the beneficial effect that：
The utility model devises a kind of inverter radiator with air-duct clapboard, and six IGBT are pressed A, B, C three-phase
It is arranged in three different cavitys, using a centrifugal blower, is realized by two pieces of partition boards cooling empty
The reallocation of tolerance ensure that the temperature of IGBT does not transfinite, also reduce cost.A kind of air duct is devised simultaneously, ensures to enter
The air quantity of three cavitys is uniform, and the difference of A phases, B phases and C phase IGBT maximum temperatures is less than 2 DEG C, to make the temperature of every group of IGBT
Balance solves IGBT unevenness flow problems.
Description of the drawings
The utility model has following attached drawing：
Inverter radiator front view structural representations of the Fig. 1 with air-duct clapboard；
The inverter radiator the side view figure structure schematic representation of Fig. 2 with air-duct clapboard；
A-A section views figure structure schematic representation in Fig. 3 Fig. 2；
Inverter radiator gas flow figures of the Fig. 4 with air-duct clapboard.
Reference numeral：1 centrifugal blower, 2 fan installation plates, 3 flow air duct, 4 radiator air passages, 5 radiators, 6IGBT, and 7
Mounting plate, 8 air-duct clapboards one, 9 air-duct clapboards two.
Specific implementation mode
The utility model is described in further details below in conjunction with attached drawing.
As shown in Figure 1, a kind of inverter radiator with air-duct clapboard, including：Centrifugal blower 1, fan installation plate 2,
Flow 3,3, air duct, 4,3 radiators 5 of radiator air passage and mounting plate 7.
The centrifugal blower 1 is secured by bolts in the lower section of fan installation plate 2, centrifugal blower 1 and fan installation plate 2 it
Between plus rubber pad be used for damping.Stream 3 lower end of air duct is secured by bolts in the top of fan installation plate 2, flows air duct 3
Upper end is secured by bolts in the lower section of mounting plate 7, flows junction, stream air duct 3 and the peace in air duct 3 and fan installation plate 2
The junction of loading board 7 adds rubber pad for damping respectively.Fan installation plate 2 and mounting plate 7 are all fixed on inversion by bolt
On the main frame of device.3 radiator air passages 4 discharge side by side, and lower end is secured by bolts in the top of mounting plate 7 respectively.It is described
Radiator air passage 4 is surrounded by four blocks of plates all around, forms exhaust air flue, and square hole is equipped on left side wall；3 radiators
5 are fixed by screws in the square hole location of 4 left side wall of radiator air passage respectively.6 IGBT 6 of inverter are with 2 for one
Group is respectively designated as A phases, B phases and C phases, and 6 IGBT 6 are arranged by A, B, C three-phase are vertical respectively, are fixed on 3 by screw
On the backboard of radiator 5.
As shown in Figures 2 and 3, it flows and is equipped with air-duct clapboard 1 and air-duct clapboard 29 in air duct 3, before air-duct clapboard 1
Both sides are fixed on by screw on the front-rear side walls flowed inside air duct 3 respectively afterwards, and 29 front and rear sides of air-duct clapboard also lead to respectively
Screw is crossed to be fixed on the front-rear side walls flowed inside air duct 3.
To ensure that the air quantity for flowing into A, B, C three-phase is consistent, the bottom of the Basolateral and air-duct clapboard 29 of air-duct clapboard 1
The distance between end outside is designed as 100mm, while one 8 angle with horizontal plane of air-duct clapboard is 80 °, air-duct clapboard 29 and water
Plane included angle is 80 °, and the air-duct clapboard 1 is to be arranged symmetrically with air-duct clapboard 29.To ensure to flow into the wind of A, B, C three-phase
Amount is maximum, and the height for flowing air duct 3 is designed as 260mm.
Fig. 4 is gas flow figure.Outside air enters from the both sides of centrifugal blower 1 first, passes through the pressure of centrifugal blower 1
Effect flows into from outflow suitable for reading and flows air duct 3.Air is in flowing air duct 3 by air-duct clapboard 1 and air-duct clapboard 29
Separate, uniformly flow into A, B, C three-phase radiator air passage 4, by radiator 5 from 4 outflow suitable for reading of radiator air passage.To
The heat that 6 IGBT are sent out is taken away evenly, ensures that the electric current of outflow IGBT is consistent.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of patent protection of the utility model by
Claim limits.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of inverter radiator with air-duct clapboard, it is characterised in that：Including centrifugal blower (1), fan installation plate
(2), air duct (3), 3 radiator air passages (4), 3 radiators (5) and mounting plate (7) are flowed；
The centrifugal blower (1) is fixed on the lower section of fan installation plate (2),
It is described stream air duct (3) be fixed on the top of fan installation plate (2), mounting plate (7) lower section；
The fan installation plate (2) and mounting plate (7) are both secured on the main frame of inverter；
3 radiator air passages (4) are fixed on the top of mounting plate (7), and discharge side by side；
The radiator air passage (4) is surrounded by four blocks of plates all around, forms exhaust air flue, and square hole is equipped on left side wall；
3 radiators (5) are separately fixed at the square hole location of radiator air passage (4) left side wall.
2. the inverter radiator with air-duct clapboard as described in claim 1, it is characterised in that：The radiator (5) is logical
Screw is crossed to be fixed on radiator air passage (4).
3. the inverter radiator with air-duct clapboard as described in claim 1, it is characterised in that：The quantity of IGBT (6) is 6
A, each two is one group, and one group of IGBT (6) is fixed on the backboard of each radiator (5).
4. the inverter radiator with air-duct clapboard as claimed in claim 3, it is characterised in that：The IGBT (6) passes through
Screw is fixed with the radiator (5).
5. the inverter radiator with air-duct clapboard as described in claim 1, it is characterised in that：It is described to flow air duct (3)
It is interior to be equipped with air-duct clapboard one (8) and air-duct clapboard two (9),
The air-duct clapboard one (8) front and rear sides are individually fixed on front-rear side walls that stream air duct (3) is internal, the air duct every
Plate two (9) front and rear sides are also individually fixed on the front-rear side walls that stream air duct (3) is internal；
The distance between the Basolateral of the air-duct clapboard one (8) and the Basolateral of air-duct clapboard two (9) are 100mm, wind
Road partition board one (8) angle with horizontal plane is 80 °, and air-duct clapboard two (9) angle with horizontal plane is 80 °, the air-duct clapboard one (8)
It is to be arranged symmetrically with air-duct clapboard two (9).
6. the inverter radiator with air-duct clapboard as claimed in claim 5, it is characterised in that：It is described to flow air duct (3)
Height be 260mm.
7. the inverter radiator with air-duct clapboard as claimed in claim 5, it is characterised in that：The air-duct clapboard one
(8) front and rear sides are fixed on the front-rear side walls that stream air duct (3) is internal respectively by screw, two before and after air-duct clapboard two (9)
Side is also fixed on by screw on the front-rear side walls that stream air duct (3) is internal respectively.
8. the inverter radiator with air-duct clapboard as described in claim 1, it is characterised in that：The centrifugal blower (1)
It is secured by bolts in the lower section of fan installation plate (2)；Described stream air duct (3) lower end is secured by bolts in fan installation plate
(2) on, upper end is secured by bolts in the lower section of mounting plate (7)；3 radiator air passages (4) lower end passes through bolt respectively
It is individually fixed in the top of mounting plate (7)；3 radiators (5) are fixed by screw and radiator air passage (4) respectively.
9. the inverter radiator with air-duct clapboard as described in claim 1, it is characterised in that：The centrifugal blower (1)
Between fan installation plate (2) plus rubber pad is used for damping；Described flow between air duct (3) lower end and fan installation plate (2) adds
Rubber pad is used for damping, flows between air duct (3) upper end and mounting plate (7) plus rubber pad is used for damping.
10. the inverter radiator with air-duct clapboard as described in claim 1, it is characterised in that：The fan installation plate
(2) it is fixed respectively by the main frame of bolt and inverter with mounting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610762.9U CN207802628U (en) | 2017-11-28 | 2017-11-28 | A kind of inverter radiator with air-duct clapboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610762.9U CN207802628U (en) | 2017-11-28 | 2017-11-28 | A kind of inverter radiator with air-duct clapboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207802628U true CN207802628U (en) | 2018-08-31 |
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ID=63285993
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721610762.9U Active CN207802628U (en) | 2017-11-28 | 2017-11-28 | A kind of inverter radiator with air-duct clapboard |
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| Country | Link |
|---|---|
| CN (1) | CN207802628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846823A (en) * | 2017-11-28 | 2018-03-27 | 北京京仪绿能电力系统工程有限公司 | A kind of inverter heat abstractor with air-duct clapboard |
-
2017
- 2017-11-28 CN CN201721610762.9U patent/CN207802628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846823A (en) * | 2017-11-28 | 2018-03-27 | 北京京仪绿能电力系统工程有限公司 | A kind of inverter heat abstractor with air-duct clapboard |
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