CN206259858U - Suitable for low power high power density and high reliability frequency converter - Google Patents
Suitable for low power high power density and high reliability frequency converter Download PDFInfo
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- CN206259858U CN206259858U CN201621271084.3U CN201621271084U CN206259858U CN 206259858 U CN206259858 U CN 206259858U CN 201621271084 U CN201621271084 U CN 201621271084U CN 206259858 U CN206259858 U CN 206259858U
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- base plate
- frequency converter
- high reliability
- power density
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Abstract
It is applied to low power high power density and high reliability frequency converter the utility model discloses one kind, including body, described body is detachably connected and is formed by master board (1), power supply/driving plate (2), power base plate (3), separate piece base plate (4) and main radiator (5) successively from top to bottom.The utility model uses sandwich construction, the numerous parts in ingenious arrangement inside that high power density, high reliability structure are realized in narrow space.Each building block definite functions, module is clear, for assembling, test and product repairing bring great convenience.
Description
Technical field
The utility model is related to a kind of frequency converter, is that one kind is applied to low power high power density and height specifically
Reliability frequency converter.
Background technology
The current international trend of frequency converter is miniaturization, high power density, high reliability.With technical merit highest
Japan, Germany are representative, and the frequency converter brand of its main flow significantly reduces in volume in recent years, and power density is constantly lifted,
And reliability is also constantly lifted.Currently with the domestic Bhide of the transducer power density of power grade, Japanese small one times of left side
It is right.On the premise of whole aircraft reliability is not reduced, power density is improved, it is necessary to capture some row technical problems, such as radiating is asked
Topic, high-voltage safety distance problem and manufacturability etc., and in the past because being global design, it has not been convenient to repair.
Utility model content
Utility model purpose：The purpose of this utility model is that (380V three-phase alternating currents are defeated suitable for maximum 4kW for offer one kind
Enter, three-phase alternating current output) high power density, high reliability frequency converter.
A kind of high power density, high reliability frequency converter, including body, described body is from top to bottom successively by main control
Plate, power supply/driving plate, power base plate, separate piece base plate and main radiator are detachably connected and form.
Preferably, by row between described master board, power supply/driving plate, power base plate, separate piece base plate
The female connection of pin/row, and supported by equally distributed copper post on periphery, form corresponding level up and down.
Preferably, the first insulating trip is provided between described power base plate and separate piece base plate, described separate piece bottom
Plate side is provided with fixed shell structural components for room.
Preferably, described separate piece base plate lower section is provided with power rectification bridge, described power rectification bridge adjacent position
7 power IGBT single tubes are sequentially provided with, it is in the same plane with power rectification bridge.
Preferably, described power rectification bridge and IGBT single tubes lower section are provided with the second insulating trip.
Preferably, being additionally provided with electrochemical capacitor, described electrochemical capacitor is arranged between separate piece base plate and main radiator,
Preferably, setting sealing ring between described electrochemical capacitor and separate piece base plate.
Preferably, being provided with main air duct in described main radiator, the outlet of main air duct sets radiator fan.
Preferably, being additionally provided with main case, described main case is buckled in master board top.
Preferably, described main case both sides are provided with diaphragm seal, top is provided with keyboard and terminal cap.
The utility model uses sandwich construction, the numerous parts in ingenious arrangement inside that high density is realized in narrow space
Structure.Each building block definite functions, module is clear, for assembling, test and product repairing bring great convenience.
Main structure is well arranged, independent ventiduct design, main heater element high：Such as power rectification bridge, IGBT single tubes,
Electrochemical capacitor, is brought into close contact with main radiator, or can also stretch out external cooling with separate heat sinks so that the main frame of closing
Shell internal temperature is well controlled.And due to independent ventiduct design, the air-flow that radiator fan causes will not enter main frame
Inside shell, the environmental pollution of industry spot can be well avoided, greatly improve reliability.Employ sealing ring, sealing
The seal fittings such as film, can not polluted protected host shell internal electronic element by external environment condition very well.
Main circuit board piece therein：By row between master board, power supply/driving plate, power base plate, separate piece base plate
Pin the female connection of row, there is no a fly line between the whole all circuit board pieces of machine, it is ensured that be reliably connected, improve product reliability
Property.
Power density level is improved to economizing on resources, product is improved and adaptability is installed, improving product competitiveness in the market has
Important function.High power density structure design of the present utility model, power density is suitable with the leading level in the world, and reliability is not
Less than day, moral like product.More than one times is lifted than domestic traditional product power density, and does not influence other original functions.
The structure design is applied to maximum 4kW (380V three-phase alternating currents are input into, three-phase alternating current output) frequency converters or can also be applied to
The servo-driver of Same Efficieney.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the structural representation after the utility model assembling.
Reference：1- master boards, 2- power supplys/driving plate, 3- power base plates, 4- separate piece base plates, 5- main radiators,
6- copper posts, the insulating trips of 7a- first, the insulating trips of 7b- second, 8- fixation shell structural components for room, 9- power rectification bridges, 10-IGBT single tubes,
11- electrochemical capacitors, 12- sealing rings, 13- main air ducts, 14- radiator fans, 15- main cases, 16- diaphragm seals, 17- keyboards, 18- ends
Son lid.
Specific embodiment
The utility model is described in further detail with reference to Figure of description：
In the utility model, radiator uses aluminium alloy extrusions, and main case and terminal cap are that engineering plastics are made, diaphragm seal
It is engineering PC.
Such as Fig. 1, a kind of high power density, high reliability frequency converter, including body, from top to bottom successively by master board 1,
Power supply/driving plate 2, power base plate 3, separate piece base plate 4 and main radiator 5 are detachably connected and form, wherein, master board 1, electricity
By arranging the female connection of pin/row between source/driving plate 2, power base plate 3, separate piece base plate 4, and on periphery by being uniformly distributed
Copper post 6 support, supported by copper post 6 between separate piece base plate 4 and main radiator 5, form corresponding level up and down, most go up
End, main case 15 is buckled in the top of master board 1, and the both sides of main case 15 are provided with diaphragm seal 16, and top is provided with keyboard 17 and terminal cap
18。
The first insulating trip 7a is provided between power base plate 3 and separate piece base plate 4, the side of separate piece base plate 4 is provided with fixed machine
Hull structure component 8, the lower section of separate piece base plate 4 is provided with power rectification bridge 9, and the adjacent position of power rectification bridge 9 is sequentially provided with 7 power
IGBT single tubes 10, in the same plane with power rectification bridge 9, power rectification bridge 9 and IGBT single tubes lower section are provided with the second insulation
Piece 7b, electrochemical capacitor 11 is arranged between separate piece base plate 4 and main radiator 5, is set between electrochemical capacitor 11 and separate piece base plate 4
Sealing ring 12 is put, strengthens sealing, main air duct 13 is provided with main radiator 5, the outlet of main air duct 13 sets radiator fan 14.
Such as Fig. 2, using said structure, the frequency converter size after assembling is that a*b*c is 167mm*116mm*148mm, this reality
With new high power density structure design, power density is suitable with the leading level in the world, and reliability to be not less than day, moral similar
Product.On an equal basis using under power, more than one times is lifted than domestic traditional product power density, and do not influence other original work(
Energy.
Claims (10)
- It is 1. a kind of to be applied to low power high power density and high reliability frequency converter, including body, it is characterised in that：Described Body is dissipated by master board (1), power supply/driving plate (2), power base plate (3), separate piece base plate (4) and master successively from top to bottom Hot device (5) is detachably connected and forms.
- 2. low power high power density and high reliability frequency converter are applied to as claimed in claim 1, it is characterised in that：Institute It is the master board (1) stated, female even by arranging pin/row between power supply/driving plate (2), power base plate (3), separate piece base plate (4) Connect, and supported by equally distributed copper post (6) on periphery, form corresponding level up and down.
- 3. low power high power density and high reliability frequency converter are applied to as claimed in claim 2, it is characterised in that：Institute The first insulating trip (7a), described separate piece base plate (4) side are provided between the power base plate (3) and separate piece base plate (4) stated It is provided with fixed shell structural components for room (8).
- 4. low power high power density and high reliability frequency converter are applied to as claimed in claim 3, it is characterised in that：Institute Separate piece base plate (4) lower section stated is provided with power rectification bridge (9), and described power rectification bridge (9) adjacent position is sequentially provided with 7 Power IGBT single tubes (10), it is in the same plane with power rectification bridge (9).
- 5. low power high power density and high reliability frequency converter are applied to as claimed in claim 4, it is characterised in that：Institute Power rectification bridge (9) and IGBT the single tubes lower section stated are provided with the second insulating trip (7b).
- 6. low power high power density and high reliability frequency converter are applied to as claimed in claim 5, it is characterised in that：Also Electrochemical capacitor (11) is provided with, described electrochemical capacitor (11) is arranged between separate piece base plate (4) and main radiator (5).
- 7. low power high power density and high reliability frequency converter are applied to as claimed in claim 6, it is characterised in that：Institute Sealing ring (12) is set between the electrochemical capacitor (11) and separate piece base plate (4) stated.
- 8. low power high power density and high reliability frequency converter are applied to as claimed in claim 7, it is characterised in that：Institute Main air duct (13) is provided with the main radiator (5) stated, the outlet of main air duct (13) sets radiator fan (14).
- 9. low power high power density and high reliability frequency converter are applied to as claimed in claim 8, it is characterised in that：Also Main case (15) is provided with, described main case (15) is buckled in master board (1) top.
- 10. low power high power density and high reliability frequency converter are applied to as claimed in claim 9, it is characterised in that： Described main case (15) both sides are provided with diaphragm seal (16), and top is provided with keyboard (17) and terminal cap (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271084.3U CN206259858U (en) | 2016-11-24 | 2016-11-24 | Suitable for low power high power density and high reliability frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271084.3U CN206259858U (en) | 2016-11-24 | 2016-11-24 | Suitable for low power high power density and high reliability frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259858U true CN206259858U (en) | 2017-06-16 |
Family
ID=59026054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621271084.3U Active CN206259858U (en) | 2016-11-24 | 2016-11-24 | Suitable for low power high power density and high reliability frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879808A (en) * | 2017-09-22 | 2018-11-23 | 浙江聚源电子有限公司 | Charger core body |
-
2016
- 2016-11-24 CN CN201621271084.3U patent/CN206259858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879808A (en) * | 2017-09-22 | 2018-11-23 | 浙江聚源电子有限公司 | Charger core body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230619 Address after: Room 807-6, Building 9, No. 11 Mozhou East Road, Moling Street, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Kesai Electrical Technology Co.,Ltd. Address before: No. 19 Shengli Road, Jiangning District, Nanjing, Jiangsu 211103 Patentee before: Jin Shun |