CN207994904U - frequency converter shell - Google Patents
frequency converter shell Download PDFInfo
- Publication number
- CN207994904U CN207994904U CN201820302961.1U CN201820302961U CN207994904U CN 207994904 U CN207994904 U CN 207994904U CN 201820302961 U CN201820302961 U CN 201820302961U CN 207994904 U CN207994904 U CN 207994904U
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- fan
- fan guard
- frequency converter
- setting
- lower housing
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Abstract
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of frequency converter shell comprising lower housing and the fan guard in lower housing one end be arranged；Fan mounting groove is arranged in described lower housing one end, the fan of frequency converter is engaged by clamping with fan guard, the notch of fan guard one end and fan mounting groove removably limits cooperation, and the notch of the other end and fan mounting groove is engaged by clamping, fan is fixedly mounted in fan mounting groove；The frequency converter shell of the utility model convenient for fan installation, is safeguarded and is replaced.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of frequency converter shell.
Background technology
Frequency converter is to apply converter technique and microelectric technique, further changes the working power frequency of motor, makes equipment
Use be controlled effectively.The operation principle of frequency converter：Power frequency supply is changed according to the on-off action of electric semiconductor
At the electric energy control device of another frequency, to realize the soft start of AC induction motor, frequency control and running accuracy
It improves.
Existing frequency converter shell, overall structure includes upper shell and lower housing, but is existed below a kind of or more
Kind problem：
1. frequency converter works, need to access multiple conducting wires, and frequency converter shell is not provided with wire fixing structure, causes
The arrangements of conductors for accessing frequency converter is chaotic, influences neatly, to be also easy to happen and lead short-circuit between conductors；
2. the structure design of upper shell is unreasonable, it is not easy to wiring, the installation and removal of frequency converter；
3. frequency converter mostly uses fan air blast heat dissipation, and the installation of fan, maintenance and replacement are inconvenient.
Invention content
The purpose of this utility model is that the defect of the customer service prior art, provide it is a kind of convenient for fan installation, safeguard and more
The frequency converter shell changed.
To achieve the above object, the utility model uses following technical solution：
A kind of frequency converter shell comprising lower housing 2 and the fan guard 41 in 2 one end of lower housing is set；
Fan mounting groove 20 is arranged in 2 one end of the lower housing, and fan 40 and the fan guard 41 of frequency converter are engaged by clamping, fan
The notch for covering 41 one end and fan mounting groove 20 removably limits cooperation, and the notch clamping of the other end and fan mounting groove 20 is matched
It closes, fan 40 is fixedly mounted in fan mounting groove 20.
Preferably, the fan guard 41 includes cover plate 410, and multiple fan guard card bases 411, fan is arranged in 410 side of cover plate
The multiple fan card slots 401 coordinated with fan guard card base 411 of 40 settings；
410 one end of the cover plate is arranged V-shaped and buckles 415, and fan guard limited post 413, fan mounting groove is arranged in the other end
20 notch one end setting is matched with 415 cooperation lower housing card slot 201 of V-shaped buckle, other end setting with fan guard limited post 413
The lower housing limiting slot 200 of conjunction.
Preferably, the side of the cover plate 410 is additionally provided with fan guard positioning column 412, fan guard positioning column 412 and fan guard
The setting of card base 411 is in 410 homonymy of cover plate, the fan location hole 402 of the setting of fan 40 and the limit cooperation of fan guard positioning column 412.
Preferably, the fan guard 41 includes cover plate 410, the middle part of cover plate 410 be arranged multiple circumferentially distributed fan guards into
Stomata 414, respectively two fan guard card bases 411 of setting, four fan guard card bases 411 are located at one at the both ends of 410 side of cover plate
The side on four vertex of a rectangle, any fan guard card base 411 of one group of two diagonal fan guard card base 411 is respectively provided with one
A fan guard limited post is respectively arranged in the both sides of a fan guard positioning column 412, two fan guard card bases 411 of 410 one end of cover plate
413, setting V-shaped buckles 415 between two fan guard card bases 411 of 410 other end of cover plate.
Preferably, the fan 40 includes the blower-casting of frame structure, four edges and corners respectively setting one of blower-casting
The fan location hole 402 that a fan guard positioning column 412 with fan guard 41 coordinates, the both sides of fan location hole 402 be equipped with
The fan card slot 401 that fan guard card base 411 coordinates.
Preferably, 2 one end of lower housing setting fan mounting groove 20, the notch of 20 one end of fan mounting groove passes through fan
Cover 41 is communicated with outside, is communicated inside the other end and lower housing 2 of fan mounting groove 20；The notch one of the fan mounting groove 20
The lower housing limiting slot 200 with the cooperation of the fan guard limited post 413 of fan guard 41, the other end are arranged and fan guard 41 respectively at end
The lower housing card slot 201 that V-shaped buckle 415 is engaged by clamping.
Preferably, further include that the upper shell 1 coordinated with it above lower housing 2 is set, 1 top central portion of upper shell is equipped with end
Rim of the mouth 13,13 side of terminal mouth are arranged lineation and press from both sides 16, and CPU board 5 is arranged in upper shell 1, and the protrusion of connecting terminal 50 of CPU board 5 is set
It sets in terminal mouth 13, external circuit conducting wire passes sequentially through lineation folder 16 and is connected with connecting terminal 50.
Preferably, further include be arranged in upper shell 1 top side for blocking lineation folder 16, terminal mouth 13 renovates 3, renovate
3 one end are pivotally attached to 1 top central portion of upper shell, and the other end is engaged by clamping with upper shell 1 and matches equipped with corresponding with lineation folder 16
The conducting wire escape port 35 of conjunction.
The frequency converter shell of the utility model, fan and fan guard are engaged by clamping, fan guard one end and fan mounting groove
Notch removably limits cooperation, and the notch of the other end and fan mounting groove is engaged by clamping, and makes the installation, maintenance, replacement of fan
It is more convenient with dismounting, be conducive to improve operating efficiency, be conducive to extend the service life of frequency converter.In addition, the upper shell
Terminal mouth is arranged in top side, and terminal mouth side is arranged lineation and presss from both sides, and the connecting terminal of CPU board is provided projectingly in terminal mouth so that is become
The wiring of frequency device is more convenient, operating efficiency higher, and lineation presss from both sides and makes the arrangements of conductors of frequency converter access cleaner and tidier, keeps away
Exempt to lead short-circuit between conductors, is conducive to improve user power utilization safety.
Description of the drawings
Figure 1A is the structural schematic diagram of the utility model frequency converter shell；
Figure 1B is another structural schematic diagram of the utility model frequency converter shell
Fig. 2 is the decomposition texture schematic diagram of the utility model upper shell and CPU board；
Fig. 3 is the structural schematic diagram of the utility model upper shell；
Fig. 4 is another structural schematic diagram of the utility model upper shell；
Fig. 5 is the internal structure schematic diagram of the utility model upper shell；
Fig. 6 is the structural schematic diagram of the part A of the utility model Fig. 3；
Fig. 7 is the structural schematic diagram that the utility model is renovated；
Fig. 8 is that another structure that the utility model is renovated is schematic diagram；
Fig. 9 is the structural schematic diagram of the part B of the utility model Fig. 7；
Figure 10 is the structural schematic diagram of the utility model fan component；
Figure 11 is the structural schematic diagram of the utility model lower housing；
Figure 12 is the structural schematic diagram of the utility model fan guard；
Figure 13 is another structural schematic diagram of the utility model fan guard.
Specific implementation mode
Below in conjunction with the embodiment that attached drawing 1-13 is provided, the specific reality of the frequency converter shell of the utility model is further illustrated
Apply mode.The frequency converter shell of the utility model is not limited to the following description.
As shown in Figure 1A, 1B, 2 and 3, the frequency converter shell of the utility model includes upper shell 1 and is arranged in upper shell 1
The lower housing 2 that lower section coordinates with it, the setting of 1 top side of upper shell renovate 3, the CPU board 5 for being secured to connection are arranged in upper shell 1,
Fan mounting groove 20 is arranged in 2 one end of lower housing, and fan component 4 is arranged in fan mounting groove 20, and fan component 4 includes fan guard 41
With fan 40.
As shown in Figures 2 and 3, the upper shell 1 is the box like structure of lower ending opening, and terminal is arranged in 1 top central portion of upper shell
At least one lineation folder 16 is arranged in mouth 13,13 side of terminal mouth, and the connecting terminal 50 of CPU board 5 is provided projectingly in terminal mouth 13,
Dispatch from foreign news agency line conductor passes through lineation folder 16 to be connected with connecting terminal 50.
As shown in Figure 1A and 1B, described 3 one end of renovating are pivotally attached to 1 top central portion of upper shell, the other end and upper shell 1
It is engaged by clamping and the conducting wire escape port 35 for pressing from both sides 16 corresponding matchings with lineation is set, renovate 3 with the cooperation of upper shell 1 for covering terminal
Mouth 13, lineation folder 16.
As shown in figure 11,2 one end of lower housing setting fan mounting groove 20,20 one end of fan mounting groove and lower housing 2
Inside communicate, the other end is communicated with outside.The fan component 4 includes fan 40 and fan guard 41, and 40 one end of fan passes through
It is communicated inside fan mounting groove 20 and lower housing 2, the other end is engaged by clamping with fan guard 41, and 41 lower end of fan guard is installed with fan
The removably limit cooperation of slot 20, upper end is engaged by clamping with fan mounting groove 20.
The frequency converter shell of the utility model can realize following advantageous effect：
1. the connecting terminal 50 of the CPU board 5 is provided projectingly in terminal mouth 13, when frequency converter wiring, without in dismounting
Shell, you can complete wiring, be convenient for the wiring and maintenance of external circuit, improve operating efficiency, lineation folder 16 is for arranging outside
Circuit lead prevents arrangements of conductors chaotic, keeps the wiring of frequency converter cleaner and tidier, also avoids that short circuit occurs between conducting wire, is conducive to
Improve Electrical Safety；
3 connecting terminal 50 for blocking terminal mouth 13, lineation is pressed from both sides 16 and is arranged in terminal mouth 13 is renovated described in 2.,
The Electrical Safety that ensure that user is renovated 3 and is pivotally attached to upper shell 1, in frequency converter wiring, without dismantling 1 He of upper shell
Renovate 3, facility provided for the wiring and maintenance of user, avoid renovating 3 frequently dismounting be damaged.
3. the fan 40 and fan guard 41 are engaged by clamping, 41 one end of fan guard and the notch of fan mounting groove 20 are detachable
Limit cooperation, the notch of the other end and fan mounting groove 20 is engaged by clamping, and makes installation, maintenance, replacement and the dismounting of fan 40
It is more convenient, be conducive to improve operating efficiency, be conducive to extend the service life of frequency converter.
Below with reference to Figure of description and specific embodiment, to each component part of the frequency converter shell of the present invention make into
One step explanation.
As shown in Figure 1B, 2 and 3, the upper shell 1 is the box like structure of lower ending opening, and CPU board 5 is arranged in upper shell 1,
CPU board 5 include be arranged its left end connecting terminal 50 and the display element 190 in 5 right end of CPU board, the top of upper shell 1 are set
Setting terminal mouth 13 on the left of portion, connecting terminal 50 is provided projectingly in terminal mouth 13, and the top right side setting of upper shell 1 is multiple to press
Keyhole 11, key hole 11 are counterbore, and the switch column 110 of a frequency converter is respectively provided in each key hole 11, and key hole 11 is arranged
Frequency-changer operation panel 1100,1 left end of upper shell are arranged three lineations and press from both sides 16, and lineation folder 16 is correspondingly arranged with terminal mouth 13.
Preferably, as shown in figure 3, lineation folder 16 is the frame like structure being arranged in 1 top side of upper shell, each lineation folder
16 include the clamping plate of two L-shaped, and the clamping plate of two L-shaped is oppositely arranged cooperatively forms lineation folder 16 with upper shell.Certainly,
The clamping plate of two L-shaped of each lineation folder 16 can also be integral structure.
Direction as shown in Figure 5,1 bottom side of the upper shell are equipped with multiple pillars 18, and CPU board 5 passes through the second connector and branch
Column 18 is connected, and the connecting terminal 50 of CPU board 5 is made to be provided projectingly in terminal mouth 13.Preferably, 1 left end of the upper shell is arranged
Four pillars 18 are arranged in two pillars 18, right end.
Preferably, as shown in figure 5, multiple and 11 one-to-one button of key hole is arranged in 1 inside top of the upper shell
Hole annular table 111, to enhance the structural strength of upper key hole 11.
Preferably, direction as shown in Figure 4,1 right end of the upper shell are additionally provided with extension mouth 17, and being arranged in extension mouth 17 can strike
The extension mouth baffle fallen is additionally provided with the first connector 170, the first connector 170 is for blocking extension mouth 17 on the upside of extension mouth
Nut piece on upper shell 1.When frequency converter needs expanded function, abate is only needed to extend mouth baffle, it would be desirable to extend
Element connect with frequency converter by extending mouth 17, and be connected with upper shell 1 by the first connector 170.
Preferably, direction as shown in Figures 2 and 3,11 right side setting display mouth 19 of multiple key holes, display mouth 19
Potentiometer installing port is arranged in front side, and display element 190 is arranged in 5 right end of CPU board, and 190 front side of display element is arranged potentiometer 51, shows
Show that element 190 is provided projectingly in display mouth 19, potentiometer 51 is provided projectingly in potentiometer installing port, of key hole 11
Number is 6, and socket 12 is arranged between terminal mouth 13 and multiple key holes 11, valve rubber 120 is arranged in socket 12, upper shell 1 is right
End setting trade mark mounting groove 10, trade mark 100 is arranged in trade mark mounting groove 10,13 left side setting label mounting groove 14 of terminal mouth,
Label 140 is arranged in label mounting groove 14, and respectively two radiator windows of setting, each radiator window wrap for the front and rear sides of upper shell 1
Include multiple heat emission holes.
Direction as shown in Figure 1B, 1 left side setting of the upper shell renovate 3, renovate 3 right ends and pivot phase with 1 middle part of upper shell
Even, left end is engaged by clamping with upper shell 1.
Preferably, shown in 2 and 3,1 top of the upper shell is divided into left side and right side, and left side is less than right side, at
Step structure renovates 3 settings in the left side of upper shell 1, renovates 3 connection hand 34 of renovating and is pivotally attached to right side left end, renovates 3
Buckle 31 of renovating be engaged by clamping with the left end of left side, renovate 3 upper side it is concordant with the right side of upper shell 1, make this practicality
New type inverter shell is more attractive and saves installation space.
As shown in FIG. 7 and 8, it is described renovate 3 include cover board 30,30 left end both sides of cover board respectively setting one renovate buckle 31,
Right end both sides setting it is each setting one renovate connection hand 34, renovate buckle 31 with upper shell 1 be engaged by clamping, renovate connection hand 34 with
1 middle part of upper shell is pivotally attached to, and two are renovated setting conducting wire escape port 35, conducting wire escape port 35 and upper shell 1 between buckle 31
Lineation folder 16 be correspondingly arranged and be used cooperatively, external circuit conducting wire sequentially passes through conducting wire escape port 35, lineation folder 16 and CPU board
5 connecting terminal 50 is connected.
Preferably, connection hand 34 is renovated to renovate described in two between connection hand 34 as inside in direction as shown in Figure 8
Main pivot 32,33 side of main pivot setting pair pivot 33 is arranged in middle inside；As shown in figs. 3 and 6,1 right side of the upper shell
Left end both sides are respectively provided with main pivot hole 320, and the first secondary pivot hole 330 and second that 320 outside of main pivot hole is circumferentially distributed is secondary
Pivot hole 340.The main pivot 32 is rotatably assorted with main pivot hole 320, when secondary pivot 33 and the first secondary pivot hole 330 coordinate,
Renovate 3 cover board 30 be parallel to 1 top side face of upper shell and renovate buckle 31 with upper shell 1 be engaged by clamping；The pair pivot 33 with
When second secondary pivot hole 340 coordinates, 3 cover board 30 is renovated perpendicular to 1 top side face of upper shell.It should be pointed out that when digging
When lid 3, since secondary pivot 33 and upper shell 1 are interference fitted, keep the cover board 30 for renovating 3 arbitrary in the range of 0-90 °
It hovers position.
Preferably, as shown in figure 9, the buckle 31 of renovating includes being arranged turning in the grab 311 of its lower end and setting
The operating knob 312 at 31 middle part of cover latch；As shown in figure 3, respectively setting one coordinates 1 left end both sides of the upper shell with grab 311
Card hole 310.As shown in Figure 1A and 1B, when grab 311 and card hole 310 coordinate, the two belongs to interference fit, ensure that and renovates
3 with the cooperation fixing of upper shell 1, to renovating 3 inside pressing operation buttons 312, you can release matching for grab 311 and card hole 310
It closes, you can it digs and renovates 3, it is simple and efficient to handle.
As shown in Figure 1A and 1B, fan component 4 is arranged in 2 left end of the lower housing.
Fan mounting groove 20,20 rear end of fan mounting groove and lower casing is arranged in direction as shown in figure 11,2 front end of the lower housing
It is communicated inside body 2, front end is the notch of fan mounting groove 20, and lower housing limiting slot 200 is arranged in its underpart, and lower housing is arranged in top
Card slot 201.
As shown in Figure 10, the fan component 4 includes fan 40 and fan guard 41, and 41 holding of fan guard is the one of fan 40
End.
As shown in Figure 10, the fan 40 includes the blower-casting of frame structure, and four edges and corners of blower-casting are respectively set
A fan location hole 402 is set, the both sides of fan location hole 402 are equipped with fan card slot 401.Direction as shown in Figures 12 and 13,
The fan guard 41 includes cover plate 410, and multiple circumferentially distributed fan guard air admission holes 414, cover plate 410 is arranged in 410 middle part of cover plate
Left and right ends on the downside of each two fan guard card bases 411 of setting, four fan guard card bases 411 are located at four of a rectangle
A fan guard is respectively arranged in the side of vertex, the side of the fan guard card base 411 of left rear side and the fan guard card base 411 of forward right side
Positioning column 412, one fan guard limited post 413 of each setting in front and rear sides of two fan guard card bases 411 of left end, the two of right end
411 middle part setting V-shaped of a fan guard card base buckles 415.As shown in Figure 10, when assembly, the fan positioning column 412 is inserted into
In fan location hole 402,411 holding of fan guard card base keeps the assembly of fan 40 and fan guard 41 more steady in fan card slot 401
Fixed, convenient, fan guard limited post 413 is inserted into lower housing limiting slot 200, and V-shaped buckle 415 blocks with lower housing card slot 201
Connect cooperation so that fan component 4 and the assembly of lower housing 2 are more convenient, are replaced convenient for user, safeguard fan 40.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (8)
1. a kind of frequency converter shell, which is characterized in that it includes the fan guard of lower housing (2) and setting in lower housing (2) one end
(41)；
Lower housing (2) one end setting fan mounting groove (20), fan (40) and the fan guard (41) of frequency converter are engaged by clamping,
The notch of fan guard (41) one end and fan mounting groove (20) removably limits cooperation, the other end and fan mounting groove (20)
Notch is engaged by clamping, and fan (40) is fixedly mounted in fan mounting groove (20).
2. frequency converter shell according to claim 1, it is characterised in that：
The fan guard (41) includes cover plate (410), and multiple fan guard card bases (411), fan (40) is arranged in cover plate (410) side
Multiple fan card slots (401) with fan guard card base (411) cooperation are set；
Cover plate (410) one end setting V-shaped buckles (415), and fan guard limited post (413), fan installation is arranged in the other end
The setting of notch one end and V-shaped buckle (415) the cooperation lower housing card slot (201) of slot (20), other end setting are limited with fan guard
The lower housing limiting slot (200) that position column (413) coordinates.
3. frequency converter shell according to claim 2, it is characterised in that：The side of the cover plate (410) is additionally provided with fan
Cover positioning column (412), fan guard positioning column (412) are arranged with fan guard card base (411) in cover plate (410) homonymy, fan (40)
Fan location hole (402) with fan guard positioning column (412) limit cooperation is set.
4. frequency converter shell according to claim 1, it is characterised in that：
The fan guard (41) includes cover plate (410), and multiple circumferentially distributed fan guard air admission holes are arranged in the middle part of cover plate (410)
(414), two fan guard card bases (411), four fan guard card bases (411) difference positions are respectively arranged in the both ends of cover plate (410) side
In four vertex of a rectangle, the side of any fan guard card base (411) of one group of two diagonal fan guard card base (411)
It is respectively provided with a fan guard positioning column (412), the both sides respectively setting one of two fan guard card bases (411) of cover plate (410) one end
A fan guard limited post (413), setting V-shaped buckles between two fan guard card bases (411) of cover plate (410) other end
(415)。
5. frequency converter shell according to claim 1, it is characterised in that：
The fan (40) includes the blower-casting of frame structure, and one and fan guard is respectively arranged in four edges and corners of blower-casting
(41) the fan location hole (402) of fan guard positioning column (412) cooperation, the both sides of fan location hole (402) are equipped with and wind
Fan the fan card slot (401) that cover card base (411) coordinates.
6. frequency converter shell according to claim 1, it is characterised in that：
Lower housing (2) one end setting fan mounting groove (20), the notch of fan mounting groove (20) one end pass through fan guard
(41) it communicates with outside, is communicated inside the other end and lower housing (2) of fan mounting groove (20)；The fan mounting groove (20)
The lower housing limiting slot (200) with the fan guard limited post of fan guard (41) (413) cooperation, the other end are arranged respectively for notch one end
The lower housing card slot (201) being engaged by clamping with the V-shaped buckle (415) of fan guard (41).
7. frequency converter shell according to claim 1, it is characterised in that：
Further include the upper shell (1) that setting coordinates above lower housing (2) with it, upper shell (1) top central portion is equipped with terminal mouth
(13), setting lineation in terminal mouth (13) side presss from both sides (16), setting CPU board (5), the connecting terminal of CPU board (5) in upper shell (1)
(50) it is provided projectingly in terminal mouth (13), external circuit conducting wire passes sequentially through lineation folder (16) and is connected with connecting terminal (50).
8. frequency converter shell according to claim 7, it is characterised in that：
Further include setting upper shell (1) top side for blocking lineation folder (16), terminal mouth (13) renovates (3), renovate (3)
One end is pivotally attached to upper shell (1) top central portion, and the other end is engaged by clamping with upper shell (1) and equipped with right with lineation folder (16)
The conducting wire escape port (35) that should coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820302961.1U CN207994904U (en) | 2018-03-01 | 2018-03-01 | frequency converter shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820302961.1U CN207994904U (en) | 2018-03-01 | 2018-03-01 | frequency converter shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994904U true CN207994904U (en) | 2018-10-19 |
Family
ID=63826313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820302961.1U Active CN207994904U (en) | 2018-03-01 | 2018-03-01 | frequency converter shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207994904U (en) |
-
2018
- 2018-03-01 CN CN201820302961.1U patent/CN207994904U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |