CN208890627U - A kind of high reliability frequency changer - Google Patents
A kind of high reliability frequency changer Download PDFInfo
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- CN208890627U CN208890627U CN201821703469.1U CN201821703469U CN208890627U CN 208890627 U CN208890627 U CN 208890627U CN 201821703469 U CN201821703469 U CN 201821703469U CN 208890627 U CN208890627 U CN 208890627U
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- welding
- cabinet
- spraying cabinet
- support base
- inner cavity
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Abstract
The utility model discloses a kind of high reliability frequency changers, cabinet is sprayed including welding, panel is provided at the top of the welding spraying cabinet, speed welding spraying cabinet intracavity bottom be provided with air duct, the air duct is internally provided with several equally distributed capacitors, radiator is provided in the air duct of the capacitor side, flat IGBT is provided in the middle part of the inner cavity of the welding spraying cabinet, rectifier bridge and contactor, the flat IGBT, rectifier bridge and contactor occupy a half space in the middle part of the inner cavity of welding spraying cabinet, the other half is provided with connecting terminal, the inner cavity top position of the welding spraying cabinet is provided with control panel and keyboard, it is separated each other with partition in the middle part of the inner cavity middle and upper part of the welding spraying cabinet with lower space, the utility model passes through the design of support base and partition, it is greatly reduced Influence when frequency converter vibrates to internal component device, improves the practicability of entire frequency converter, also improves the service life of frequency converter.
Description
Technical field
The utility model relates to converter technology field, specially a kind of high reliability frequency changer.
Background technique
Frequency converter (Variable-frequency Drive, VFD) is using converter technique and microelectric technique, by changing
Power transformation machine frequency mode of working power supply controls the electric control appliance of ac motor.
Frequency converter mainly by rectify (AC to DC), filtering, inversion (direct current become exchange), brake unit, driving unit,
The composition such as detection unit microprocessing unit.IGBT cut-offs to adjust the voltage of out-put supply and frequency, root frequency converter close to the inner portion
Supply voltage required for it is provided according to the actual needs of motor, and then achievees the purpose that energy conservation, speed regulation, in addition, frequency converter
There are also many defencive functions, such as overcurrent, over-voltage, overload protection.With the continuous improvement of industrial automatization, frequency conversion
Device also has been widely used.
The position that frequency converter in the prior art is placed, which may be subjected to external influence, shakes it slightly, or artificial
Movement may also cause the vibration of frequency converter, the frequency changer inner body that if things go on like this goes down will receive vibration influence, shortens and becomes
The service life of frequency device.
Can solve problem if it can invent a kind of frequency converter and there is shock-absorbing function, thus we provide it is a kind of it is high can
By property frequency changer.
Utility model content
The purpose of this utility model is to provide a kind of high reliability frequency changers, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of high reliability frequency changer, including
Welding spraying cabinet is provided with panel at the top of welding spraying cabinet, and the intracavity bottom that institute's speed welding sprays cabinet is arranged
There is air duct, the air duct is internally provided with several equally distributed capacitors, is provided with heat dissipation in the air duct of the capacitor side
The inner cavity middle part of device, the welding spraying cabinet is provided with flat IGBT, rectifier bridge and contactor, the flat IGBT, rectification
Bridge and contactor occupy a half space in the middle part of the inner cavity of welding spraying cabinet, the other half is provided with connecting terminal, the welding spray
The inner cavity top position for applying cabinet is provided with control panel and keyboard, the inner cavity middle and upper part middle part and lower part of the welding spraying cabinet
Space is separated with partition each other, and the connecting terminal is sprayed far from the welding of rectifier bridge direction meaning and offered in case side wall
Several equally distributed terminals sub-aperture offer fan hole, fan in the welding spraying case side wall near the radiator
Hole is internally provided with fan.
Preferably, several connecting terminals are divided into upper layer and lower layer, and every layer of the uniform aligned arrangement of connecting terminal.
Preferably, it is provided with support base between the partition and the side wall of welding spraying cabinet welding spraying cabinet, it is described
Support base is internally provided with rubber pad, and support base side is provided with bolt, and bolt is tightened up a screw through support base entity and end
It extends in the side wall of welding spraying cabinet.
Preferably, the support base is half mouth-shaped plate, and cuboid groove is offered on the indent side of support base, recessed
Slot is internally provided with rubber pad, and rubber mat component extends to outside support base groove and end is connect with partition.
Compared with prior art, the utility model has the beneficial effects that
1. not only structure is reliable but also has excellent performance for the frequency-converter device, using flat module, while major loop cabling is electric
Feel small, inhibit the interference signal of upper frequency, increases the stability of frequency converter；Capacitor is evenly distributed in air duct, is adopted simultaneously
With exhausting mode, radiating efficiency is high and reasonable, substantially increases the stability and service life of component；
2. the device passes through the design of support base and partition, to internal component device when being greatly reduced frequency converter vibration
Influence, improve the practicability of entire frequency converter, also improve the service life of frequency converter.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is diaphragm structure schematic diagram；
Fig. 3 is clamping support schematic diagram；
Fig. 4 is rubber gasket structure schematic diagram in Fig. 3.
In figure: 1 panel, 2 welding spraying cabinets, 3 terminals sub-aperture, 4 keyboards, 5 air ducts, 6 contactors, 7 fans, 8 rectifications
Bridge, 9 flat IGBT, 10 radiators, 11 capacitors, 12 control panels, 13 connecting terminals, 14 partitions, 15 support bases, 16 rubber pads.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the technical solution in the utility model, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of high reliability frequency changer, including weldering
Connect spraying cabinet 2, welding spraying cabinet 2 top be provided with panel 1, institute speed welding spray cabinet 2 intracavity bottom be provided with
Air duct 5, air duct 5 are internally provided with several equally distributed capacitors 11, are provided with radiator in the air duct 5 of 11 side of capacitor
10, capacitor 11 and radiator 10 are screwed in air duct 5, and capacitor 11 is evenly distributed in air duct, while using exhausting
Mode, radiating efficiency is high and reasonable, substantially increases the stability and service life of component, the inner cavity of welding spraying cabinet 2
Middle part is provided with flat IGBT 9, rectifier bridge 8 and contactor 6, and flat IGBT 9, rectifier bridge 8 and contactor 6 occupy welding spray
A half space in the middle part of the inner cavity of cabinet 2 is applied, the other half is provided with connecting terminal 13, the inner cavity top position of welding spraying cabinet 2
It is provided with control panel 12 and keyboard 4, is divided each other with partition 14 in the middle part of the inner cavity middle and upper part of welding spraying cabinet 2 with lower space
It opens, partition, which not only acts as, separates the effect of major part device, and plays the role of supporting component device, i.e. component device is fixed on
Worker, which takes out partition, on the side of partition 14, when maintenance can quickly remove corresponding part, and connecting terminal 13 is far from rectifier bridge 8
Several equally distributed terminals sub-aperture 3, the weldering near radiator 10 are offered on welding spraying 2 side wall of cabinet of direction meaning
It connects and offers fan hole on spraying 2 side wall of cabinet, fan hole is internally provided with fan 7.
Further, several connecting terminals 13 are divided into upper layer and lower layer, and every layer of the uniform aligned arrangement of connecting terminal 13, this
Sample design increases the safety of frequency converter using the mode of connection of input and output layering.
Further, it is provided with support base 15 between partition 14 and the side wall of welding spraying cabinet welding spraying cabinet 2, propped up
Support seat 15 is internally provided with rubber pad 16, and 15 side of support base is provided with bolt, and bolt is tightened up a screw through 15 entity of support base
And end extends in the side wall of welding spraying cabinet 2, position of the position of support base 15 far from rubber pad 16 and partition 14, that
It is independent of each other between this.
Further, support base 15 is half mouth-shaped plate, and cuboid groove is offered on the indent side of support base 15,
Inside grooves are provided with rubber pad 16, and 16 part of rubber pad extends to outside 15 groove of support base and end is connect with partition 14, such as
Fruit welding spraying cabinet 2 shakes, and the spacing between welding spraying 2 inner wall of cabinet and partition 14 can change, and rubber
The rebound effect of pad 16 can inhibit the spacing between welding spraying cabinet 2 and partition 14 to change, and realize support base 15 indirectly
With the vibration damping purpose of rubber pad 16.
Working principle: being wired on connecting terminal 13 when work, realizes frequency converter output by controlling flat IGBT9
Electric current after adjustment, while the work of 7 rotation work of fan cooperation fan 10, realize the heat dissipation purpose of 5 inner cavity of air duct, furthermore
Panel 1 only need to be opened if necessary to repair, partition 14 can quickly be removed by screwing off the bolt on support base 15, carry out component device
Maintenance work.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of high reliability frequency changer, including welding spraying cabinet (2), it is characterised in that: the welding sprays cabinet
(2) panel (1) is provided at the top of, speed welding spraying cabinet (2) intracavity bottom be provided with air duct (5), the air duct (5)
Be internally provided with several equally distributed capacitors (11), be provided with radiator in the air duct (5) of capacitor (11) side
(10), it is provided with flat IGBT (9), rectifier bridge (8) and contactor (6) in the middle part of the inner cavity of welding spraying cabinet (2), it is described
Flat IGBT (9), rectifier bridge (8) and contactor (6) occupy a half space in the middle part of the inner cavity of welding spraying cabinet (2), the other half
It is provided with connecting terminal (13), the inner cavity top position of welding spraying cabinet (2) is provided with control panel (12) and keyboard
(4), it is separated each other with partition (14) in the middle part of the inner cavity middle and upper part of welding spraying cabinet (2) with lower space, it is described to connect
Line terminals (13) spray far from the welding of rectifier bridge (8) direction meaning and offer several equally distributed connect on cabinet (2) side wall
Line end sub-aperture (3), the welding of the radiator (10) nearby spray and offer fan hole on cabinet (2) side wall, inside fan hole
It is provided with fan (7).
2. a kind of high reliability frequency changer according to claim 1, it is characterised in that: several connecting terminals
(13) it is divided into upper layer and lower layer, and every layer connecting terminal (13) uniform aligned arrangement.
3. a kind of high reliability frequency changer according to claim 1, it is characterised in that: the partition (14) and welding
Support base (15) are provided between the side wall of spraying cabinet welding spraying cabinet (2), support base (15) are internally provided with
Rubber pad (16), support base (15) side are provided with bolt, and bolt is tightened up a screw through support base (15) entity and end extends to
In the side wall of welding spraying cabinet (2).
4. a kind of high reliability frequency changer according to claim 3, it is characterised in that: the support base (15) is half
Mouth-shaped plate, and cuboid groove is offered on the indent side of support base (15), inside grooves are provided with rubber pad (16), rubber
Rubber mat (16) partially extends to outside support base (15) groove and end is connect with partition (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821703469.1U CN208890627U (en) | 2018-10-21 | 2018-10-21 | A kind of high reliability frequency changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821703469.1U CN208890627U (en) | 2018-10-21 | 2018-10-21 | A kind of high reliability frequency changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208890627U true CN208890627U (en) | 2019-05-21 |
Family
ID=66516820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821703469.1U Active CN208890627U (en) | 2018-10-21 | 2018-10-21 | A kind of high reliability frequency changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208890627U (en) |
-
2018
- 2018-10-21 CN CN201821703469.1U patent/CN208890627U/en active Active
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