CN204947115U - Frequency converter and terminal base - Google Patents
Frequency converter and terminal base Download PDFInfo
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- CN204947115U CN204947115U CN201520714864.XU CN201520714864U CN204947115U CN 204947115 U CN204947115 U CN 204947115U CN 201520714864 U CN201520714864 U CN 201520714864U CN 204947115 U CN204947115 U CN 204947115U
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- frequency converter
- terminal base
- copper bar
- main body
- shell
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Abstract
The utility model relates to a kind of frequency converter and terminal base, and described frequency converter comprises shell of frequency converter, pcb board and terminal base, and described terminal base comprises the main body and multiple terminal base copper bar being assembled to main body respectively that are installed to shell of frequency converter; Described main body is made up of insulating material and is installed to shell of frequency converter, and has end difference between two of this main body sides; The front of described end difference has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; The back side of described main body has the cavity of the part for holding the pcb board in shell of frequency converter, has multiple connector for being electrically connected pcb board in this cavity; Terminal base copper bar described in each is electrically connected with the connector of in cavity respectively.Because the terminal base in above-mentioned frequency converter can be installed to shell of frequency converter together in conjunction with other structural members of frequency converter, therefore the less and neat appearance of this frequency converter volume, this frequency converter is for pursuing the frequency converter that volume is less, cost is lower, and advantage is just more outstanding.
Description
Technical field
The utility model relates to frequency converter field, particularly a kind of frequency converter and terminal base.
Background technology
Voltage and the frequency opening, break to adjust out-put supply of frequency converter IGBT close to the inner portion, provide the supply voltage required for it according to actual needs, so reach energy-conservation, the object of speed governing.In addition, frequency converter also has a lot of defencive functions, as overcurrent, overvoltage, overload protection etc.Along with improving constantly of industrial automatization, frequency converter have also been obtained application widely.
In current frequency converter industry, power terminal seat generally all adopts independent or Combined terminal seat, and by be welded on PCB or by being connected to frequency converter internal module in cable (or copper bar) etc., being connected to power cable or drawing copper bar outward, to realize the conducting function of frequency converter and external electrical network (or other equipment) outward.
But existing change terminal base is when frequency changer designs, need, for power terminal seat provides independently installing space, the scale styling representation of frequency converter can be restricted.And above-mentioned power terminal seat function singleness, generally can only use as the external power line (or external copper bar) that connects.In addition, above-mentioned power terminal seat needs independently insulating body, copper bar and trip bolt, and relative cost is higher.In prior art, usually terminal base and other modules (such as keyboard case etc.) are individually arranged on shell of frequency converter, such structure makes frequency converter degree of integration not high, simultaneously complex installation process.
Utility model content
For solving the problem, the utility model proposes a kind of frequency converter simultaneously, and in this frequency converter, to take structure space less for terminal base, and can combine together with shell of frequency converter, makes this frequency conversion on the basis keeping small volume, keeps its outer surface regular.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of frequency converter, comprises shell of frequency converter, pcb board and terminal base, it is characterized in that: described terminal base comprises the main body and multiple terminal base copper bar being assembled to described main body respectively that are installed to shell of frequency converter; The main body of described terminal base is made up of insulating material and is installed to shell of frequency converter, and has end difference between two of this main body sides; The front of described end difference has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; Described multiple terminal base copper bar is installed on different cascaded surface respectively removably;
The back side of the main body of described terminal base has the cavity of the part for holding the pcb board in shell of frequency converter, and has multiple connector for being electrically connected pcb board in this cavity; Terminal base copper bar described in each is electrically connected with the connector of in cavity respectively.
Further, two sides of the main body of described terminal base lay respectively at the relative side of two of shell of frequency converter and two of this main body sides have buckle and stair-stepping card article respectively; The side plate of described shell of frequency converter has the stairstepping place suitable with the card article of described end difference side; When terminal base is arranged on shell of frequency converter, described card article is installed on the stairstepping place of the side plate of shell of frequency converter and passes through snap lock.
Further, described connector is arranged on below terminal base copper bar and the side of close pcb board, and described terminal base copper bar is connected with described connector by the screw through main body, and described connector one side is electrically connected with described pcb board by welding manner.
Further, the terminal base copper bar polarity on adjacent cascaded surface is contrary.
Further, each cascaded surface being fixed with terminal base copper bar is provided with groove, the insulation shell of the external copper bar of this groove on accommodating terminal box, described terminal base copper bar is provided with the fixing hole for fixing described external copper bar, and this fixing hole is relative with the position of described groove.
Further, the external copper bar on described terminal board is perpendicular to terminal base copper bar, and the external copper bar on described terminal base copper bar and terminal board is connected by screw.
Further, described frequency converter comprises the cover for covering described terminal base, and when cover is arranged on described frequency converter, the outer surface of described cover is concordant with the surface of the shell of frequency converter.
Further, described cover is provided with the vertical bar for decorating.
A kind of terminal base, comprises main body and multiple terminal base copper bar being assembled to described main body respectively, it is characterized in that: described main body is made up of insulating material, and this main body comprises two relative sides and have end difference between described two sides; The front of described end difference has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; Described multiple terminal base copper bar is installed on different cascaded surface respectively removably; The back side of described main body has the cavity of the part for holding frequency converter Internal PCB, and has multiple connector for being electrically connected pcb board in this cavity; Terminal base copper bar described in each is electrically connected with the connector of in cavity respectively.
The utility model beneficial effect:
This frequency converter uses and is integrated in inner terminal base, this frequency converter need not the insulation fabric part of installation end stroma separately, therefore the less and neat appearance of this frequency converter volume, this frequency converter is for pursuing the frequency converter that volume is less, cost is lower, and advantage is just more outstanding.The terminal base that this frequency converter adopts has step-like end difference, and adjacent terminal base copper bar is separated in stepped portion, and on the basis meeting safety standard, it is less that terminal base installs the space taken, and accessible site is in a bight of frequency converter inside.
Accompanying drawing explanation
Fig. 1 is the utility model frequency converter overall structure schematic diagram.
Fig. 2 is A portion partial sectional view in the utility model frequency converter Fig. 1.
Fig. 3 is the utility model frequency converter terminal base and terminal board connection diagram.
Fig. 4 is the structural representation of the utility model frequency converter terminal base.
Fig. 5 is the utility model frequency converter terminal base and pcb board connection diagram.
Reference numeral comprises:
1-main body 2-end difference 3-terminal base copper bar
4-screw 5-groove 6-fixing hole
The external copper bar of 7-PCB plate 8-connecting portion 9-
10-terminal board 11-shell of frequency converter 12-cover
13-overlay 14-connector 15-card article
16-buckle
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1 and Figure 2, the present embodiment proposes frequency converter, and comprise shell of frequency converter 11, pcb board 7 and terminal base, terminal base comprises the main body 1 and multiple terminal base copper bar 3 being assembled to main body 1 respectively that are installed to shell of frequency converter 11; The main body 1 of terminal base is made up of insulating material and is installed to shell of frequency converter 11, and two of this main body 1 sides lay respectively at the relative side of two of shell of frequency converter 11; Between two sides of main body 1, there is end difference 2; The front of end difference 2 has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; Multiple terminal base copper bar 3 is installed on different cascaded surface respectively removably; The back side of main body 1 has the cavity of the part for holding frequency converter Internal PCB 7, and has multiple connector 14 for being electrically connected pcb board 7 in this cavity; Each terminal base copper bar 3 is electrically connected with the connector of in cavity 14 respectively.Terminal base copper bar 3 is fixed on end difference 2 by screw 4.
When frequency changer designs, need, for conventional power terminal base provides independently installing space, can restrict the scale styling representation of frequency converter, main body 1 and the dismountable connection of shell of frequency converter 11 in this frequency converter, can be arranged on frequency converter bight by terminal base.And other modules of frequency converter, such as keyboard case etc., the end difference 2 of the main body 1 of terminal base can be installed to, thus improve the integrated level of frequency converter.
Two sides of the end difference 2 of main body 1 have buckle 16 and stair-stepping card article 15 respectively; The side plate of shell of frequency converter 11 has the stairstepping place suitable with the card article 15 of end difference 2 side; When terminal base is arranged on shell of frequency converter 11, card article 15 is installed on the stairstepping place of the side plate of shell of frequency converter 11 and is locked by buckle 16.
As shown in Figure 4, Figure 5, connector 14 is arranged on below terminal base the copper bar 3 and side of close pcb board 7, and terminal base copper bar 3 is connected with connector 14 by screw 4, and connector 14 1 side is electrically connected with pcb board 7 by welding manner.Connector 14 adopts metal made of copper as electric conductor, has good conducting function, thus realizes the conducting of pcb board 7 and terminal base copper bar 3.
As shown in Figure 3, each cascaded surface being fixed with terminal base copper bar 3 is provided with the groove 5 of the insulation shell of the external copper bar 9 for accommodating terminal box 10, terminal base copper bar 3 is provided with the fixing hole 6 for fixing external copper bar 9, and this fixing hole 6 is relative with the position of groove 5.External copper bar 9 on terminal board 10 is vertically connected with terminal base copper bar 3 by screw 4.
Frequency converter comprises the cover 12 for capped end stroma, when cover 12 is arranged on shell of frequency converter 11, and the outer surface of cover 12 and the flush with outer surface of shell of frequency converter 11.Cover 12 is provided with the vertical bar for decorating.
The present embodiment also proposes a kind of terminal base, and comprise main body 1 and multiple terminal base copper bar 3 being assembled to main body 1 respectively, main body 1 is made up of insulating material, and this main body 1 comprises two relative sides and have end difference 2 between two sides; The front of end difference 2 has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; Multiple terminal base copper bar 3 is installed on different cascaded surface respectively removably; The back side of main body 1 has the cavity of the part for holding frequency converter Internal PCB 7, and has multiple connector 14 for being electrically connected pcb board 7 in this cavity; Each terminal base copper bar 3 is electrically connected with the connector of in cavity 14 respectively.
Concrete, the main body 1 of local terminal stroma should adopt insulating material to make, and particularly plastic material is made, and the face of the setting of level on end difference 2 is cascaded surface, cascaded surface surface can be provided with the mounting groove to cascaded surface inner recess, and the insulation shell of terminal base copper bar 3 is placed in groove 5 to install to be fixed.In other embodiments, terminal base copper bar 3 also can be arranged on end difference 2 on the face that vertically arranges, as long as after terminal base copper bar 3 is arranged on end difference 2, terminal base copper bar 3 is separated mutually can meet the separated safety requirement of terminal base copper bar 3.
Local terminal stroma can be arranged in frequency converter, and terminal base copper bar 3 is strip and is sheet assembling structure, and terminal base copper bar 3 is electrically connected with pcb board 7, and terminal base copper bar 3 one end is provided with conducting wire, and conducting wire is communicated with pcb board 7 by the connecting portion 8 of welding.
As shown in Figure 3, away from pcb board 7 side, external copper bar 9 can be installed at terminal base copper bar 3, external copper bar 9 and terminal base copper bar 3 are all provided with through hole, first terminal base copper bar 3 is placed on the body 1, again external copper bar 9 is overlayed on terminal base copper bar 3, and by the through-hole alignment on external copper bar 9 and terminal base copper bar 3, now screw 4 to be inserted in through hole and to tighten screw 4, external like this copper bar 9 and terminal base copper bar 3 are fixed on the body 1, external copper bar 9 and terminal base copper bar 3 relative com pact are close together simultaneously, keep external copper bar 9 and terminal base copper bar 3 to connect.Terminal base copper bar 3 polarity on adjacent cascaded surface is contrary.
In the present embodiment, after terminal base is arranged on this frequency converter, the dismountable installation overlay 13 in outside of terminal base, overlay 13 capped end stroma copper bar 3, this overlay 13 is as the mount pad of keyboard case, and keyboard case is arranged on overlay 13, as preferably, overlay 13 is arranged on terminal base by buckle 16, and the advantage adopting snap to connect is not need use instrument i.e. detachable and installation.When setting this frequency converter, only cover 12 need be pulled down, the setting panel of keyboard case can come out, and operating personnel get final product complete operation.
Above content is only preferred embodiment of the present utility model; for those of ordinary skill in the art; according to thought of the present utility model; many changes can be made in specific embodiments and applications; as long as these changes do not depart from design of the present utility model, all belong to protection range of the present utility model.
Claims (9)
1. a frequency converter, comprises shell of frequency converter, pcb board and terminal base, it is characterized in that: described terminal base comprises the main body and multiple terminal base copper bar being assembled to described main body respectively that are installed to shell of frequency converter; The main body of described terminal base is made up of insulating material and is installed to shell of frequency converter, and has end difference between two of this main body sides; The front of described end difference has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; Multiple described terminal base copper bar is installed on different cascaded surface respectively removably;
The back side of the main body of described terminal base has the cavity of the part for holding the pcb board in shell of frequency converter, and has multiple connector for being electrically connected pcb board in this cavity; Terminal base copper bar described in each is electrically connected with the connector of in cavity respectively.
2. frequency converter according to claim 1, is characterized in that: two sides of the main body of described terminal base lay respectively at the relative side of two of shell of frequency converter and two of this main body sides have buckle and stair-stepping card article respectively; The side plate of described shell of frequency converter has the stairstepping place suitable with the card article of described end difference side; When terminal base is arranged on shell of frequency converter, described card article is installed on the stairstepping place of the side plate of shell of frequency converter and passes through snap lock.
3. frequency converter according to claim 1, it is characterized in that: described connector is arranged on below terminal base copper bar and the side of close pcb board, described terminal base copper bar is connected with described connector by the screw through main body, and described connector one side is electrically connected with described pcb board by welding manner.
4. frequency converter according to claim 1, is characterized in that: the terminal base copper bar polarity on adjacent cascaded surface is contrary.
5. frequency converter according to claim 1, it is characterized in that: each cascaded surface being fixed with terminal base copper bar is provided with groove, the insulation shell of the external copper bar of this groove on accommodating terminal box, described terminal base copper bar is provided with the fixing hole for fixing described external copper bar, and this fixing hole is relative with the position of described groove.
6. frequency converter according to claim 5, is characterized in that: the external copper bar on described terminal board is perpendicular to terminal base copper bar, and the external copper bar on described terminal base copper bar and terminal board is connected by screw.
7. frequency converter according to claim 1, is characterized in that: described frequency converter comprises the cover for covering described terminal base, and when cover is arranged on described frequency converter, the outer surface of described cover is concordant with the surface of the shell of frequency converter.
8. frequency converter according to claim 7, is characterized in that: described cover is provided with the vertical bar for decorating.
9. a terminal base, comprises main body and multiple terminal base copper bar being assembled to described main body respectively, it is characterized in that: described main body is made up of insulating material, and this main body comprises two relative sides and have end difference between described two sides; The front of described end difference has multiple cascaded surface, and the plurality of cascaded surface is step-like distribution; Multiple described terminal base copper bar is installed on different cascaded surface respectively removably; The back side of described main body has the cavity of the part for holding frequency converter Internal PCB, and has multiple connector for being electrically connected pcb board in this cavity; Terminal base copper bar described in each is electrically connected with the connector of in cavity respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714864.XU CN204947115U (en) | 2015-09-15 | 2015-09-15 | Frequency converter and terminal base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714864.XU CN204947115U (en) | 2015-09-15 | 2015-09-15 | Frequency converter and terminal base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947115U true CN204947115U (en) | 2016-01-06 |
Family
ID=55014513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520714864.XU Active CN204947115U (en) | 2015-09-15 | 2015-09-15 | Frequency converter and terminal base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947115U (en) |
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2015
- 2015-09-15 CN CN201520714864.XU patent/CN204947115U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |