CN107181393A - A kind of frequency converter - Google Patents
A kind of frequency converter Download PDFInfo
- Publication number
- CN107181393A CN107181393A CN201710497003.4A CN201710497003A CN107181393A CN 107181393 A CN107181393 A CN 107181393A CN 201710497003 A CN201710497003 A CN 201710497003A CN 107181393 A CN107181393 A CN 107181393A
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- pcb board
- housing
- cover
- radiator
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of frequency converter, described frequency converter includes frequency converter main body and the shifting window assembly being arranged in frequency converter main body, and described frequency converter main body includes operation keyboard, cover, housing, mainboard pcb board, driving pcb board, terminal, electric capacity pcb board and silica gel guard ring；In described cover and housing snapping, described operation keyboard insertion cover and with housing snapping；Described mainboard pcb board is fixed on enclosure interior by connector；Described terminal is welded on electric capacity pcb board, and described mainboard pcb board, driving pcb board, terminal and electric capacity pcb board is arranged on enclosure interior after being sequentially connected；The frequency converter of the present invention has reserved installing space by being a standalone module by operation keyboard Integrated design on housing, and this operation keyboard is arranged on housing and is exposed to cover opening, convenient operation, and is easily changed, and only needs replacement operation keyboard；And each pcb plates are arranged on after connecting respectively in housing, space in housing has been maximally utilized.
Description
Technical field
The present invention relates to electrical equipment technical field, more particularly to a kind of frequency converter.
Background technology
Frequency converter (Variable-frequency Drive, VFD) is to apply converter technique and microelectric technique, by changing
Become motor working power Frequency Patterns to control the electric control appliance of ac motor.It is continuous with industrial automatization
Improve, frequency converter has also obtained application widely.
Frequency converter is made up of various assemblies connection, but each component connection of existing frequency converter sets unreasonable, causes
Dismounting inconvenience, and be difficult to repair, various knobs and button composition operation keyboard region are especially directly arranged on panel, if certain
Individual knob or button break down and taken away maintenance it is necessary to whole frequency converter, result in many inconveniences.
The content of the invention
The present invention sets reasonable for above-mentioned the deficiencies in the prior art there is provided a kind of each part, easy to connect,
The frequency converter of convenient maintenance.
The technical scheme adopted by the invention for realizing the object of the invention is：
A kind of frequency converter, the shifting window assembly that described frequency converter includes frequency converter main body and is arranged in frequency converter main body,
Described frequency converter main body includes operation keyboard, cover, housing, mainboard pcb board, driving pcb board, terminal, electric capacity pcb board and silicon
Glue guard ring；In described cover and housing snapping, described operation keyboard insertion cover and with housing snapping；Described mainboard
Pcb board is fixed on enclosure interior by connector；Described terminal is welded on electric capacity pcb board, described mainboard pcb board, is driven
Dynamic pcb board, terminal and electric capacity pcb board are arranged on enclosure interior after being sequentially connected.
Preferably, the side of described operation keyboard is provided with corresponding on keyboard back-off, described housing be provided with
Keyboard back-off hole；The back side of described operation keyboard is provided with keyboard connecting interface, housing to be set corresponding to keyboard connecting interface
It is equipped with keyboard connector；The periphery of described cover is provided with multiple cover back-offs, described housing to be set corresponding to cover back-off
It is equipped with cover back-off hole.Reverse buckling type connected mode so that connected between each component quick and simple in construction.
Preferably, the side of described housing sets fluted, described shifting window assembly is snapped onto in groove.Described
Moving window assembly includes moving window assembly one and moves window assembly two, and described shifting window assembly one is arranged on the inner side for moving window assembly two, institute
The periphery for the shifting window assembly two stated is provided with shifting window back-off, described groove walls is provided with shifting window back-off corresponding to shifting window back-off
Groove.
Preferably, also including frequency converter cooling system, described frequency converter cooling system includes：
Aluminium die casting radiator, be arranged on the outside of frequency converter main body and with frequency converter main body snapping, for realizing radiating；It is described
Aluminium die casting radiator trough body structure is provided with notch, lower notch and back notch, described aluminium die casting radiator cell body
It is internally provided with the heat dissipation wind channel that some edges are set by the upward notch direction of lower notch；Described has the installation of frequency converter inner member
Hole, described frequency converter inner member mounting hole connection heat dissipation wind channel, described silica gel guard ring is embedded in aluminium die casting radiator
Frequency converter inner member mounting hole is interior and is coated on electric capacity pcb board；
Fan, is connected to aluminium by fast interface and casts inside the upper notch of radiator and just to heat dissipation wind channel setting；
Fan cover, be located at fan top and with aluminium die casting radiator snapping；
Radiator metal plate, described radiator metal plate is arranged on lower notch and back notch；The radiating of the lower notch of correspondence
Some air inlets are provided with metal plate.
The frequency converter cooling system, to originally by way of opening air port in plastic housing or metal plate with improving radiating effect
It is provided with progress major tuneup, the snapping aluminium die casting radiator in frequency converter main body, the aluminium die casting radiator logical for realizing
Wind and the upper notch and lower notch of installation, and the northern notch for encapsulation, radiating is internally provided with aluminium die casting radiator
Passage, is provided with fan and fan cover on upper notch, in order to which the heat of module and electronic device generation is blown out into frequency conversion
Outside device, it is provided with lower notch on radiating metal plate, radiating metal plate and is provided with air inlet, such structure so that whole radiating
System radiating effect is good, and the frequency converter cooling system is linked together with frequency converter main body by snapping, easy to assembly fast
It is prompt.
Formed preferably, described heat dissipation wind channel is be arranged in parallel by some mutual gaps of aluminium die casting fin.Radiation air
The said structure in road causes good heat dissipation effect, will not produce radiating failure.
Preferably, described heat dissipation wind channel sets close to upper notch one end and is provided with cavity between lower notch.
Heat dissipation wind channel is disposed proximate to notch and sets this both to increase air inlet effect, while also facilitating aluminium die casting radiator and frequency conversion
The connection and radiating of device main body.
Preferably, described upper notch is internally provided with erecting bed, described erecting bed is arranged on above heat dissipation wind channel
Upper notched wall on, described fan is fastened on erecting bed.Erecting bed facilitates the quick connection of fan.
Correspond to wind preferably, being provided with described aluminium die casting radiator on fan guard neck, described fan guard
Fan cover neck is provided with buckle.
Preferably, the described L-shaped structure setting of radiator metal plate, the upper end of described radiator metal plate, which is set, inserts
Slot is provided with connected structure on groove, the fan cover.The said structure of radiator metal plate, is to connect for convenience
Positioning.
The beneficial effects of the invention are as follows：
The frequency converter of the present invention has reserved installation by being a standalone module by operation keyboard Integrated design on housing
Space, this operation keyboard is arranged on housing and is exposed to cover opening, convenient operation, and is easily changed, and only need to change behaviour
Make keyboard；And each pcb plates are arranged on after connecting respectively in housing, space in housing has been maximally utilized.
Further say, the frequency converter cooling system, by the way that aluminium die casting radiator is external, and aluminium die casting radiator is carried
Heat dissipation wind channel, the heat produced inside frequency converter is effectively taken out of, realizes the great heat radiation effect of radiator, and the change
Frequency device cooling system is linked together with frequency converter main body by snapping, easy to assembly quick, easily manufactured.
Brief description of the drawings
Fig. 1 is a kind of explosive view of frequency converter cooling system of the present invention；
Fig. 2 is the explosive view of another angle of frequency conversion cooling system of the present invention；
Fig. 3 is a kind of radiation processes structural representation of heat dissipation wind channel of the present invention；
Fig. 4 is a kind of structural representation of radiator of the present invention；
Fig. 5 is a kind of explosive view of radiator of the present invention；
Fig. 6 is the explosive view of another angle of radiator of the present invention；
In figure：1st, aluminium die casting radiator, 2, frequency converter main body, 3, upper notch, 4, lower notch, 5, back notch, 6, radiating
Air channel, 7, frequency converter inner member mounting hole, 8, fan, 9, fast interface, 10, fan cover, 11, radiator metal plate, 12, enter
Air port, 13, aluminium die casting fin, 14, cavity, 15, erecting bed, 16, fan guard neck, 17, buckle, 18, connected structure, 19,
Slot, 20, move window assembly, 21, operation keyboard, 22, cover, 23, housing, 24, mainboard pcb board, 25, driving pcb board, 26, end
Son, 27, electric capacity pcb board, 28, silica gel guard ring, 29, keyboard back-off, 30, keyboard back-off hole, 31, keyboard connecting interface, 32, keyboard
Joint, 33, cover back-off, 34, cover back-off hole, 35, groove, 36, move window assembly one, 37, move window assembly two, 38, move window and fall
Button, 39, move window back-off groove.
Embodiment
Technical scheme is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment：
In the embodiment shown in Fig. 1, Fig. 2, Fig. 3, a kind of frequency converter cooling system, including：
Aluminium die casting radiator 1, with the snapping of frequency converter main body 2, radiates for realizing；Aluminium die casting radiator 1 is in trough body structure
Be provided with notch 3, lower notch 4 and back notch 5, the cell body of aluminium die casting radiator 1 be internally provided with some edges from lower notch 4 to
The heat dissipation wind channel 6 that the upper direction of notch 3 is set；Frequency converter inner member mounting hole 7, frequency converter are provided with aluminium die casting radiator 1
Inner member mounting hole 7 connects heat dissipation wind channel 6；
Fan 8, is connected to the inside of upper notch 3 of aluminium casting radiator 1 by fast interface 9 and just heat dissipation wind channel 6 is being set
Put；
Fan cover 10, be located at fan 8 top and with the snapping of aluminium die casting radiator 1；
Radiator metal plate 11, radiator metal plate 11 is arranged on lower notch 4 and back notch 5；The radiating of the lower notch 4 of correspondence
Some air inlets 12 are provided with metal plate 11.
Heat dissipation wind channel 6 is be arranged in parallel by the mutual gap of some aluminium die casting fin 13 and formed.
Heat dissipation wind channel 6 sets close to upper one end of notch 3 and is provided with cavity 14 between lower notch 4.
Upper notch 3 is internally provided with erecting bed 15, and erecting bed 15 is arranged in the upper notched wall of the top of heat dissipation wind channel 6, wind
Fan 8 is fastened on erecting bed 15.
It is provided with fan guard neck 16, fan guard 10 and is provided with corresponding to fan guard neck 16 on aluminium die casting radiator 1
Buckle 17.
The L-shaped structure setting of radiator metal plate 11, the upper end of radiator metal plate 11 sets correspondence on slot 19, fan guard 10
Slot 19 is provided with connected structure 18.
In Fig. 4, Fig. 5, Fig. 6, a kind of frequency converter, the frequency converter is provided with frequency converter cooling system described above.
Frequency converter also includes frequency converter main body 2 and the shifting window assembly 20 being arranged in frequency converter main body 2.
Frequency converter main body 2 includes operation keyboard 21, cover 22, housing 23, mainboard pcb board 24, driving pcb board 25, terminal
26th, electric capacity pcb board 27 and silica gel guard ring 28；Cover 22 and the snapping of housing 23, operation keyboard 21 are embedded in cover 22 and and housing
23 snappings；Mainboard pcb board 24 is fixed on inside housing 23 by connector；Terminal 26 is welded on electric capacity pcb board 27, mainboard
Pcb board 24, driving pcb board 25, terminal 26 and electric capacity pcb board 27 are arranged on inside housing 23 after being sequentially connected, silica gel guard ring 28
It is embedded in the frequency converter inner member mounting hole 7 of aluminium die casting radiator 1 and is coated on electric capacity pcb board 27.
The side of operation keyboard 21, which is provided with, corresponding on keyboard back-off 29, housing 23 is provided with keyboard back-off hole 30.
The back side of operation keyboard 21 is provided with keyboard connecting interface 31, housing 23 to be set corresponding to keyboard connecting interface 31
There is keyboard connector 32.
The periphery of cover 22, which is provided with, to be provided with cover corresponding to cover back-off 33 on multiple cover back-offs 33, housing 23 and falls
Button hole 34.
The side of housing 23 sets fluted 35, moves window assembly 20 and snaps onto in groove 35.
Moving window assembly 20 includes moving window assembly 1 and moves window assembly 2 37, moves window assembly 1 and is arranged on shifting window assembly two
37 inner side, the periphery of shifting window assembly 2 37 is provided with shifting window back-off 38, the wall of groove 35 to be set corresponding to shifting window back-off 38
There is shifting window back-off groove 39.
Frequency converter in above-described embodiment includes frequency converter main body and aluminium die casting heat sink assembly.Operation keyboard 21 and housing
23 are fixed by the back-off of keyboard back-off 29 in operation keyboard 21；22 covers and housing 23 pass through the cover back-off 33 on cover 22
Back-off is fixed；Move window assembly 1 to be placed in the groove 35 of the side of housing 23, enveloped by moving window assembly 2 37 and housing 23；
Move window assembly 2 37 and housing 23 is fixed by the back-off of shifting window back-off 38 moved on window assembly 2 37；Mainboard pcb board 24 and housing
23 are screwed.
Driving pcb board 25 and aluminium die casting radiator 1 are screwed；26 terminals are welded on electric capacity pcb board 27；Electric capacity
Pcb board 27 and aluminium die casting radiator 1 are screwed；Silica gel guard ring 28 is placed on inside the frequency converter on aluminium die casting radiator 1
In element mounting hole 7, coated by electric capacity pcb board 27 and aluminium die casting radiator 1；Fast interface 9 and aluminium die casting radiator pass through
Bayonet socket on fast interface 9 is fixed；Fan 8 is placed in the upper notch of aluminium die casting radiator 1, the metal plate base provided with air inlet and
Aluminium die casting radiator 1 is screwed, and the connected structure 18 on fan cover 10 is plugged in the slot of radiator metal plate upper end
In 19, the back-off of fan cover 10 is anchored on aluminium die casting radiator 1.
The preferred embodiment of the present invention is only intended to help and illustrates the present invention.It is all that preferred embodiment does not have detailed descriptionthe
Details, it is only described embodiment that the invention is not limited yet.This specification is chosen and specifically describes these embodiments, is
In order to preferably explain the principle and practical application of the present invention, so that skilled artisan can utilize this well
Invention.Disclosed above is only the specific embodiment of the application, but the application is not limited to this, any those skilled in the art
The thinkable equivalent substitution of member, should all fall in the protection domain of the application.
Claims (9)
1. a kind of frequency converter, it is characterised in that：Described frequency converter includes frequency converter main body and is arranged in frequency converter main body
Window assembly is moved, described frequency converter main body includes operation keyboard, cover, housing, mainboard pcb board, driving pcb board, terminal, electric capacity
Pcb board and silica gel guard ring；In described cover and housing snapping, described operation keyboard insertion cover and with housing snapping；Institute
The mainboard pcb board stated is fixed on enclosure interior by connector；Described terminal is welded on electric capacity pcb board, described mainboard
Pcb board, driving pcb board, terminal and electric capacity pcb board are arranged on enclosure interior after being sequentially connected.
2. a kind of frequency converter according to claim 1, it is characterised in that：The side of described operation keyboard is provided with keyboard
It is corresponding on back-off, described housing to be provided with keyboard back-off hole；The back side of described operation keyboard is provided with keyboard and connect
Mouthful, keyboard connecting interface is provided with keyboard connector on housing；The periphery of described cover is provided with multiple cover back-offs,
Cover back-off is provided with cover back-off hole on described housing.
3. a kind of frequency converter according to claim 1, it is characterised in that：The side of described housing sets fluted, institute
The shifting window assembly stated is snapped onto in groove；Described shifting window assembly includes moving window assembly one and moves window assembly two, described shifting window
Component one is arranged on the inner side for moving window assembly two, and the periphery of described shifting window assembly two is provided with shifting window back-off, described groove
Correspond to shifting window back-off on wall and be provided with shifting window back-off groove.
4. a kind of frequency converter according to claim 1, it is characterised in that：Also include frequency converter cooling system, it is described
Frequency converter cooling system includes：
Aluminium die casting radiator, be arranged on the outside of frequency converter main body and with frequency converter main body snapping, for realizing radiating；Described aluminium
Die casting radiator is provided with inside notch, lower notch and back notch, described aluminium die casting radiator groove body in trough body structure
It is provided with the heat dissipation wind channel that some edges are set by the upward notch direction of lower notch；Frequency conversion is provided with described aluminium die casting radiator
Device inner member mounting hole, described frequency converter inner member mounting hole connection heat dissipation wind channel, described silica gel guard ring is embedded
The frequency converter inner member mounting hole of aluminium die casting radiator is interior and is coated on electric capacity pcb board；
Fan, is connected to aluminium by fast interface and casts inside the upper notch of radiator and just to heat dissipation wind channel setting；
Fan cover, be located at fan top and with aluminium die casting radiator snapping；
Radiator metal plate, described radiator metal plate is arranged on lower notch and back notch；The radiating metal plate of the lower notch of correspondence
On be provided with some air inlets.
5. a kind of frequency converter according to claim 4, it is characterised in that：Described heat dissipation wind channel is radiated by some aluminium die casting
The mutual gap of piece, which be arranged in parallel, to be formed.
6. a kind of frequency converter according to claim 4, it is characterised in that：Described heat dissipation wind channel is set close to upper notch one end
Put and be provided with cavity between lower notch.
7. a kind of frequency converter according to claim 4, it is characterised in that：Described upper notch is internally provided with erecting bed,
Described erecting bed is arranged in the upper notched wall above heat dissipation wind channel, and described fan is fastened on erecting bed.
8. a kind of frequency converter according to claim 4, it is characterised in that：Fan is provided with described aluminium die casting radiator
Fan guard neck is provided with buckle on cover neck, described fan guard.
9. a kind of frequency converter according to claim 4, it is characterised in that：The described L-shaped structure setting of radiator metal plate,
The upper end of described radiator metal plate sets and slot is provided with connected structure on slot, the fan cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497003.4A CN107181393A (en) | 2017-06-19 | 2017-06-19 | A kind of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497003.4A CN107181393A (en) | 2017-06-19 | 2017-06-19 | A kind of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107181393A true CN107181393A (en) | 2017-09-19 |
Family
ID=59844459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710497003.4A Withdrawn CN107181393A (en) | 2017-06-19 | 2017-06-19 | A kind of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107181393A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282980A (en) * | 2017-12-12 | 2018-07-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Radiator and servo-driver |
-
2017
- 2017-06-19 CN CN201710497003.4A patent/CN107181393A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282980A (en) * | 2017-12-12 | 2018-07-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Radiator and servo-driver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170919 |