CN207652301U - A kind of high and low shift changeover module of variable-frequency power sources - Google Patents
A kind of high and low shift changeover module of variable-frequency power sources Download PDFInfo
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- CN207652301U CN207652301U CN201820058712.2U CN201820058712U CN207652301U CN 207652301 U CN207652301 U CN 207652301U CN 201820058712 U CN201820058712 U CN 201820058712U CN 207652301 U CN207652301 U CN 207652301U
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- low shift
- changeover module
- variable
- bar
- power sources
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Abstract
The utility model is related to a kind of high and low shift changeover modules of variable-frequency power sources, high and low shift changeover module includes multiple contactors, multiple current transformers, provides the mounting bracket for supporting and providing installation space for contactor and current transformer, mounting bracket include supporting rack that is providing installation space for multiple contactors and being connect with multiple contactors, be set in supporting rack periphery and the installation set that is removably connect with supporting rack, on supporting rack, high and low shift changeover module further includes the spacing adjustment structure being formed on supporting rack for the setting that multiple contactors are respectively separated；The high and low shift changeover module its can be exchanged on different power supplys, it is with good integrity, circuit is not known succinct orderly, it is both artistic and practical, the advantages of convenient for safeguarding, and can be exchanged on different power supplys, good compatibility, it realizes three into three and goes out the modularization of frequency converter high and low shift changeover module, while also containing three into the modularization for singly going out variable-frequency power sources high and low shift changeover module.
Description
Technical field
The utility model is related to a kind of high and low shift changeover modules of variable-frequency power sources.
Background technology
Variable-frequency power sources in the prior art generally can all carry high and low shift handoff functionality.And this function is often by connecing
What the cooperation between tentaculum was realized.Common practice is：By three contactors, it is separately mounted on contactor mounting plate, then use copper
Three contactors of item link two-by-two, then with conducting wire respectively by R on contactor, S, T three-phases by current transformer (positive and negative to wear) with it is right
Transformer that should be per phase connects.The shortcomings that such structure is:The number of conductors for connecting contactor and transformer is more, and often mutually leads
Line need it is positive and negative wear, deficiency is estimated to the length of conducting wire, the waste of conducting wire to generate to a certain extent, cabling is not
Beauty, operating space is insufficient, locking wire difficulty, occupies more chassis space, while scene is even more to exist to replace and repair first device
The maintenance issues of part inconvenience, and do not have compatibility for the contactor of different size.
Invention content
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of improved variable-frequency electric
The high and low shift changeover module in source, with the advantages such as simple and beautiful, good compatibility, easy to maintain.
In order to solve the above technical problems, the technical solution that the utility model is taken is as follows：
A kind of high and low shift changeover module of variable-frequency power sources, high and low shift changeover module include multiple contactors, are contacted with multiple
Multiple current transformers of device cooperation circuit connection provide the mounting bracket for supporting and providing installation space, peace for contactor and current transformer
It shelves including supporting rack that is providing installation space for multiple contactors and being connect with multiple contactors, be set in supporting rack periphery
And the installation set that is removably connect with supporting rack, on supporting rack, high and low shift is cut for the setting that multiple contactors are respectively separated
It further includes the spacing adjustment structure being formed on supporting rack to change component, and the spacing between adjacent two contactors passes through spacing tune
The setting that section structure can be adjusted.
Preferably, high and low shift changeover module further include be set to installation set on multiple connecting terminals, contactor, current transformer with
Connecting terminal circuit connects, and is connect with external transformer circuitry phase by connecting terminal.
Preferably, supporting rack includes the more supporting rods extended along horizontal line, is arranged and is used between more supporting rods
Multiple support bases of multiple contactors are installed, the setting that support base is spaced successively along the extending direction of supporting rod on supporting rod,
Spacing adjustment structure is formed on multiple support bases and multiple supporting rods, and the spacing between adjacent two support bases passes through spacing
The setting that adjustment structure can be adjusted, in turn, the spacing between multiple contactors follow the tune of the spacing between multiple support bases
It saves and adjusts.
Preferably, spacing adjustment structure includes the first mounting hole being formed on multiple supporting rods and is formed and multiple supports
The second mounting hole on seat, the first mounting hole have been sequentially distributed multiple, the second mounting hole along the length extending direction of supporting rod
It can connect with the first mounting hole corresponding matching on supporting rod.By the design of the adjustment structure allow contactor according to
The needs model different with changing size for actually using situation when with changing, can release the second mounting hole and corresponding
The first mounting hole between connection, at this point, support base can be moved along the length extending direction of supporting rod, to
The spacing of two adjacent support bases is adjusted, the distance between support base is adjusted to after suitably sized, it will
Need to be mounted in mounting base with the contactor that changes, complete contact with changing jobs.
Preferably, the distance between two adjacent first mounting holes are 15mm ~ 25mm.
Preferably, installation set includes the first peace for being set in supporting rack periphery and being located at supporting rack length direction both sides
Encapsulation and the second installation set, the first installation set and the second installation set are removably connect with supporting rack respectively.
Preferably, the length of the first installation set is more than the length of the second installation set, and multiple current transformers are installed in the second peace
Inside on encapsulation, multiple connecting terminals are set on the outside of the first installation set.
Preferably, there are three current transformer, contactor are respectively provided with, there are three support base settings, and supporting rod is provided with four, often
A support base is inscribed in the space that four supporting rods are enclosed.
Preferably, each support base include vertically extend be located at both sides and both ends respectively with supporting rod
The first bar and the second bar of connection and the third bar and the 4th bar being connected between the first bar and the second bar, it is each to contact
Device is separately mounted on the third bar and the 4th bar of each support base, and the second mounting hole forms the both ends with the first bar and the second bar
Portion.
Preferably, high and low shift changeover module further includes the installation angle bar being arranged in the first installation set and the second installation set.
Due to the implementation of above technical scheme, the utility model has the following advantages that compared with prior art：
Contactor and current transformer are mounted in mounting bracket by the high and low shift changeover module of the variable-frequency power sources of the utility model
Portion is used in combination conducting wire that contactor and current transformer built-up circuit are connected with connecting terminal, to which high and low shift changeover module is realized mould
Block（Cable inside modular changeover module is all transferred on terminal）, externally only with connecting terminal for meeting
The line of other components of module Yu power supply avoids unnecessary waste, can more reach to realize the standardization of cable dosage
It is convenient to beautiful and locking wire, and when needing to safeguard contactor, it is only necessary to which that the line at connecting terminal is dismantled can will be entire
High and low shift changeover module removes the work done and safeguarded, safeguards extremely convenient；In addition, passing through the spacing adjustment structure on supporting rack
The contactor of various specifications can be achieved the purpose that installation, you can with according to reality by setting by adjusting the method for spacing
The needs of service condition go to use with changing the different contactor of size.
Description of the drawings
Fig. 1 is overall structure diagram outside the high and low shift changeover module of the variable-frequency power sources of the utility model；
Fig. 2 is overall structure diagram inside the high and low shift changeover module of the variable-frequency power sources of the utility model；
Wherein：11, supporting rod；12, support base；121, the first bar；122, the second bar；123, third bar；124, the 4th bar；
21, the first installation set；22, the second installation set；3, contactor；4, current transformer；5, connecting terminal；6, angle bar is installed；7, copper bar.
Specific implementation mode
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the high and low shift changeover module of a kind of variable-frequency power sources, high and low shift changeover module include multiple connect
Tentaculum 3, the multiple current transformers 4 for coordinating circuit to connect with multiple contactors 3 provide for contactor 3 and current transformer 4 and support and provide
The mounting bracket of installation space, mounting bracket include branch that is providing installation space for multiple contactors 3 and being connect with multiple contactors 3
Support, be set in supporting rack periphery and the installation set that is removably connect with supporting rack, what multiple contactors 3 were respectively separated sets
It sets on supporting rack（In this example, it is electrically connected by three copper bars 7 between adjacent two contactors）, high and low shift changeover module is also
Including the spacing adjustment structure being formed on supporting rack, the spacing between adjacent two contactors 3 passes through spacing adjustment structure
The setting that can be adjusted, high and low shift changeover module further include the multiple connecting terminals 5 being set in installation set, setting in the first installation
Installation angle bar 6 on set 21 and the second installation set 22；The contactor 3, current transformer 4 are connect with 5 circuit of connecting terminal, and by connecing
Line terminals 5 are connect with external transformer circuitry phase.
Specifically, supporting rack includes the more supporting rods 11 extended along horizontal line, is arranged between more supporting rods 11
Multiple support bases 12 for installing multiple contactors 3, the setting that support base 12 is spaced successively along the extending direction of supporting rod 11
On supporting rod 11, spacing adjustment structure is formed on multiple support bases 12 and multiple supporting rods 11, adjacent two support bases
The setting that spacing between 12 can be adjusted by spacing adjustment structure, in turn, the spacing between multiple contactors 3 follows multiple
The adjusting of spacing between support base 12 and adjust.In this example, spacing adjustment structure includes being formed on multiple supporting rods 11
First mounting hole and formation and the second mounting hole on multiple support bases 12, the first mounting hole extend along the length of supporting rod 11
Direction has been sequentially distributed multiple, and the second mounting hole can connect with the first mounting hole corresponding matching on supporting rod 11.By this
The design of adjustment structure allows contactor 3 according to the needs model different with changing size of actual use situation, with
When changing, the connection between the second mounting hole and the first corresponding mounting hole can be released, at this point, support base 12 can edge
The length extending direction of supporting rod 11 can move, so that the spacing of two adjacent support bases 12 can be adjusted, it will
The distance between support base 12 is adjusted to after suitably sized, needing to be mounted on support base 12 with the contactor 3 changed, complete
At contact with changing jobs.
Further, the distance between two adjacent in this example first mounting holes are 20mm.Installation set includes being arranged
In supporting rack periphery and it is located at the first installation set 21 and the second installation set 22 of supporting rack length direction both sides, the first installation
Set 21 and the second installation set 22 are removably connect with supporting rack respectively.There are three current transformer 4, contactor 3 are respectively provided with, support base
There are three 12 settings, and supporting rod 11 is provided with four, and each support base 12 is inscribed in the space that four supporting rods 11 are enclosed
It is interior.Each support base 12 include vertically extend be located at both sides and both ends are connect with supporting rod 11 respectively the
One bar 121 and the second bar 122 and the third bar 123 and the 4th bar being connected between the first bar 121 and the second bar 122
124, each contactor 3 is separately mounted on the third bar 123 and the 4th bar 124 of each support base 12, and the second mounting hole is formed
With the both ends of the first bar 121 and the second bar 122.The length of first installation set 21 is more than the length of the second installation set 22, multiple
Current transformer 4 is installed in inside in the second installation set 22, and multiple connecting terminals 5 are set to 21 outside of the first installation set.
In conclusion the high and low shift changeover module of the variable-frequency power sources of the utility model, contactor and current transformer are installed
Inside mounting bracket, conducting wire be used in combination that contactor and current transformer built-up circuit are connected with connecting terminal, to switch high and low shift
Component realizes modularization（Cable inside modular changeover module is all transferred on terminal）, externally only use terminals
Son avoids unnecessary for meeting the line of other components of module Yu power supply to realize the standardization of cable dosage
Waste can more reach beautiful and locking wire is convenient, and when needing to safeguard contactor, it is only necessary to which the line at connecting terminal is dismantled
Entire high and low shift changeover module can be removed to the work done and safeguarded, safeguarded extremely convenient；In addition, passing through the spacing on supporting rack
The contactor of various specifications can be achieved the purpose that installation by the setting of adjustment structure by adjusting the method for spacing, you can
To go to use with changing the different contactor of size according to the needs of actual use situation.The variable-frequency power sources of the utility model
It can be exchanged high and low shift changeover module on different power supplys, and with good integrity, circuit is not known succinctly orderly, beautiful real
With the advantages of convenient for safeguarding, and being exchanged on different power supplys, good compatibility；It realizes three into three and goes out frequency converter
The modularization of high and low shift changeover module, while three are also contained into the modularization for singly going out variable-frequency power sources high and low shift changeover module.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, the scope of protection of the utility model can not be limited with this, it is all according to this practicality
Equivalent change or modification made by novel Spirit Essence should all cover within the protection scope of the present utility model.
Claims (10)
1. a kind of high and low shift changeover module of variable-frequency power sources, the high and low shift changeover module includes multiple contactors and multiple institutes
Multiple current transformers of contactor cooperation circuit connection are stated, is provided for the contactor and current transformer and is supported and installation space is provided
Mounting bracket, it is characterised in that：The mounting bracket provides installation space for multiple contactors and described is connect with multiple
The supporting rack of tentaculum connection, be set in support frame as described above periphery and the installation set that is removably connect with support frame as described above, it is more
On support frame as described above, the high and low shift changeover module further includes being formed in the branch for the setting that a contactor is respectively separated
Spacing adjustment structure on support, the spacing between adjacent two contactors can be adjusted by the spacing adjustment structure
The setting of section.
2. the high and low shift changeover module of variable-frequency power sources according to claim 1, it is characterised in that：The high and low shift switch groups
Part further includes the multiple connecting terminals being set in the installation set, the contactor, the current transformer and connecting terminal electricity
Road connects, and is connect with external transformer circuitry phase by the connecting terminal.
3. the high and low shift changeover module of variable-frequency power sources according to claim 2, it is characterised in that：Support frame as described above includes edge
More supporting rods that horizontal line extends, be arranged between the more supporting rods for installing the multiple of multiple contactors
Support base, the support base along the setting that the extending direction of the supporting rod is spaced successively on the supporting rod, the spacing
Adjustment structure is formed on multiple support bases and multiple supporting rods, the spacing between adjacent two support bases
The setting that can be adjusted by the spacing adjustment structure, in turn, the spacing between multiple contactors follow multiple described
The adjusting of spacing between support base and adjust.
4. the high and low shift changeover module of variable-frequency power sources according to claim 3, it is characterised in that：The spacing adjustment structure
Including the first mounting hole being formed on multiple supporting rods and formed and the second mounting hole on multiple support bases, institute
It states the first mounting hole and has been sequentially distributed along the length extending direction of the supporting rod multiple, second mounting hole can be with institute
The the first mounting hole corresponding matching stated on supporting rod connects.
5. the high and low shift changeover module of variable-frequency power sources according to claim 4, it is characterised in that：Adjacent two described
The distance between one mounting hole is 15mm ~ 25mm.
6. the high and low shift changeover module of variable-frequency power sources according to claim 4, it is characterised in that：The installation set includes set
It is located at support frame as described above periphery and is located at the first installation set and the second installation set of support frame as described above length direction both sides, institute
It states the first installation set and the second installation set is removably connect with support frame as described above respectively.
7. the high and low shift changeover module of variable-frequency power sources according to claim 6, it is characterised in that：First installation set
Length is more than the length of second installation set, and multiple current transformers are installed in inside in second installation set, multiple
The connecting terminal is set on the outside of first installation set.
8. the high and low shift changeover module of variable-frequency power sources according to claim 3, it is characterised in that：It is the current transformer, described
There are three contactor is respectively provided with, there are three the support base settings, and the supporting rod is provided with four, in each support base
It is connected in the space that four supporting rods are enclosed.
9. the high and low shift changeover module of variable-frequency power sources according to claim 4, it is characterised in that：Each support base is equal
Including vertically extend be located at both sides and the first bar that both ends are connect with the supporting rod respectively and the second bar with
And it is connected to third bar and the 4th bar between first bar and the second bar, each contactor is separately mounted to often
On the third bar and the 4th bar of a support base, second mounting hole forms the both ends with first bar and the second bar
Portion.
10. the high and low shift changeover module of variable-frequency power sources according to claim 6, it is characterised in that：The high and low shift switching
Component further includes the installation angle bar being arranged in first installation set and the second installation set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058712.2U CN207652301U (en) | 2018-01-15 | 2018-01-15 | A kind of high and low shift changeover module of variable-frequency power sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058712.2U CN207652301U (en) | 2018-01-15 | 2018-01-15 | A kind of high and low shift changeover module of variable-frequency power sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652301U true CN207652301U (en) | 2018-07-24 |
Family
ID=62876351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058712.2U Active CN207652301U (en) | 2018-01-15 | 2018-01-15 | A kind of high and low shift changeover module of variable-frequency power sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652301U (en) |
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2018
- 2018-01-15 CN CN201820058712.2U patent/CN207652301U/en active Active
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