CN208508771U - A kind of frequency converter air duct sealing structure - Google Patents

A kind of frequency converter air duct sealing structure Download PDF

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Publication number
CN208508771U
CN208508771U CN201820895959.XU CN201820895959U CN208508771U CN 208508771 U CN208508771 U CN 208508771U CN 201820895959 U CN201820895959 U CN 201820895959U CN 208508771 U CN208508771 U CN 208508771U
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CN
China
Prior art keywords
capacitor
metal plate
sealing ring
air duct
seal hole
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Active
Application number
CN201820895959.XU
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Chinese (zh)
Inventor
张学峰
许衍庭
姚佳
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ZHEJIANG EACN ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
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ZHEJIANG EACN ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
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Priority to CN201820895959.XU priority Critical patent/CN208508771U/en
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Abstract

The utility model relates to a kind of frequency converter air duct sealing structures, including pcb board, capacitor, sealing ring and metal plate, multiple capacitors are welded and fixed with pcb board, the metal plate is equipped with seal hole, the quantity in seal hole, position are corresponding with the quantity of capacitor, position, the sealing ring is fixed at the seal hole on metal plate, in capacitor insertion seal hole, and with sealing ring lower potion tight fit.Compared with prior art, it effectively prevent the dust and other impurities of air in air duct to enter under capacitor pcb board the utility model has the beneficial effects that capacitor is blocked with metal plate gap by sealing ring, effectively extends the new energy of use and the service life of pcb board and capacitor;Capacitor and metal plate gap are completely cut off by sealing ring reaches capacitor and metal plate insulation purpose;Capacitor and metal plate gap are blocked by sealing ring effectively increases air duct performance of ventilating and heat dissipation performance.

Description

A kind of frequency converter air duct sealing structure
Technical field
The utility model relates to converter technology fields, more particularly, to a kind of frequency converter air duct sealing structure.
Background technique
Frequency converter is used for more dust or the higher occasion of humidity, and stays between the capacitor and metal plate of existing most of frequency converters There is installation gap, the dust of air duct air or water is caused to enter on pcb board.Shadow is caused to the performance and used life of frequency converter It rings.
Summary of the invention
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of structure is simple, it is easy to operate its The frequency converter air duct sealing structure in overall performance and service life can be improved.
To achieve the goals above, the utility model uses technical solution below:
A kind of frequency converter air duct sealing structure, including pcb board, capacitor, sealing ring and metal plate, multiple capacitors and pcb board weld Fixation is connect, the metal plate is equipped with seal hole, and the quantity in seal hole, position are corresponding with the quantity of capacitor, position, the sealing Enclose at the seal hole that is fixed on metal plate, in capacitor insertion seal hole, and with sealing ring lower potion tight fit.
As a preferred solution: the top of the sealing ring is equipped with outer, and uniform intervals are set on the lateral wall of outer lower part There are multiple fixture blocks, the sealing ring is clamped on the metal plate of seal hole surrounding by outer and fixture block.
As a preferred solution: the sealing ring is integrally in horn-like closing in, and the outer diameter of the internal diameter specific capacitance of upper ring section is big 1-3mm。
As a preferred solution: upwardly extending folding at left and right sides of the metal plate forms step-like connection sheet, the PCB Plate is bolted with connection sheet.
As a preferred solution: the rear and front end of one of connection sheet of the metal plate is vertically provided with fixinig plate.
As a preferred solution: the material of the sealing ring is rubber or silica gel.
Compared with prior art, the utility model has the beneficial effects that capacitor and metal plate gap are blocked effectively by sealing ring It prevents the dust and other impurities of air in air duct from entering under capacitor pcb board, effectively extends the new energy of use and the longevity of pcb board and capacitor Life;Capacitor and metal plate gap are completely cut off by sealing ring reaches capacitor and metal plate insulation purpose;Capacitor and metal plate gap pass through sealing Circle blocks and effectively increases air duct performance of ventilating and heat dissipation performance.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the utility model.
Fig. 2 is the assembling structure schematic diagram of the utility model.
Fig. 3 is the structural schematic diagram of the sealing ring of the utility model.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.
A kind of frequency converter air duct sealing structure as shown in Figure 1 to Figure 2, including pcb board 1, capacitor 2, sealing ring 3 and metal plate 4, multiple capacitors 2 are welded and fixed with pcb board 1, and the metal plate 4 is equipped with seal hole, the quantity in seal hole, position and capacitor 2 Quantity, position are corresponding, and the sealing ring 3 is fixed at the seal hole on metal plate 4, the capacitor 2 from top to bottom by be attached to envelope In collar aperture, and with 3 lower part tight fit of sealing ring.
Such as Fig. 3, so, the top of the sealing ring 3 is equipped with outer, and uniform intervals are equipped on the lateral wall of outer lower part Multiple fixture blocks 6, the sealing ring 3 are clamped on the metal plate 4 of seal hole surrounding by outer and fixture block 6.The sealing ring 3 is whole In horn-like closing in, and the big 2mm of outer diameter of the internal diameter specific capacitance 2 of upper ring section 7.Capacitor is facilitated to be inserted from top to bottom without generating Resistance.The internal diameter of the lower ring portion 5 of sealing ring 3 plays the role of completely cutting off koniology in air duct as capacitor outer diameter.It is close Seal is buckled to by fixture block, and sealing ring is unlikely to also to take metal plate out of after capacitor is taken out.The material of the sealing ring is rubber Glue or silica gel.
The left and right sides of the metal plate 4 upwardly extends folding and forms step-like connection sheet 41, the pcb board 1 with connect Piece 41 is bolted.The rear and front end of one of connection sheet 41 of the metal plate 4 is vertically provided with fixinig plate 42.
This hair utility model has the advantage that 1, increases sealing ring, and substitution tradition does not have Packed capacitor mounting means, It effectively prevents dust accretions to pcb board bottom, extend pcb board service life and improves performance.2, sealing ring effectively completely cuts off Keep air duct more unblocked, is obviously improved heat dissipation performance.3, sealing ring is produced using silica gel material, mold, saves the production time, Production efficiency is improved, colleague also reduces cost.4, sealing ring is designed using back-off, upper circle is big, lower circle is small, greatly facilitates electricity The installation and removal of appearance.
In the present embodiment, sealing ring is 8, and seal hole has 8, and capacitor has 8;Certain the utility model is not limited to Sealing ring 8,8, seal hole, the embodiment that capacitor is 8, there is no limit as long as use for sealing ring, seal hole, capacitor quantity The mode that sealing ring entangles capacitor belongs to fall into the protection of the utility model to the simple variation or transformation of the utility model Range.
It should be pointed out that above embodiments are only the representative examples of the utility model.The utility model can also there are many Deformation.All essence any simple modification, equivalent change and modification to the above embodiments according to the utility model, It is considered as belonging to the protection scope of the utility model.

Claims (6)

1. a kind of frequency converter air duct sealing structure, it is characterised in that: including pcb board (1), capacitor (2), sealing ring (3) and metal plate (4), multiple capacitors (2) are welded and fixed with pcb board (1), and the metal plate (4) is equipped with seal hole, the quantity in seal hole, position with The quantity of capacitor (2), position are corresponding, and the sealing ring (3) is fixed at the seal hole on metal plate (4), and the capacitor (2) is inserted Enter in seal hole, and with sealing ring (3) lower part tight fit.
2. a kind of frequency converter air duct sealing structure according to claim 1, it is characterised in that: the top of the sealing ring (3) Portion is equipped with outer, and uniform intervals are equipped with multiple fixture blocks (6) on the lateral wall of outer lower part, and the sealing ring (3) passes through outer It is clamped on the metal plate (4) of seal hole surrounding with fixture block (6).
3. a kind of frequency converter air duct sealing structure according to claim 1, it is characterised in that: the sealing ring (3) is whole In horn-like closing in, and the big 1-3mm of outer diameter of the internal diameter specific capacitance (2) of upper ring section (7).
4. a kind of frequency converter air duct sealing structure according to claim 1, it is characterised in that: the left and right of the metal plate (4) Two sides upwardly extend folding and are formed step-like connection sheet (41), and the pcb board (1) is bolted with connection sheet (41).
5. a kind of frequency converter air duct sealing structure according to claim 4, it is characterised in that: the metal plate (4) is wherein The rear and front end of one connection sheet (41) is vertically provided with fixinig plate (42).
6. a kind of frequency converter air duct sealing structure according to claim 1 or 2, it is characterised in that: the material of the sealing ring Matter is rubber or silica gel.
CN201820895959.XU 2018-06-11 2018-06-11 A kind of frequency converter air duct sealing structure Active CN208508771U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820895959.XU CN208508771U (en) 2018-06-11 2018-06-11 A kind of frequency converter air duct sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820895959.XU CN208508771U (en) 2018-06-11 2018-06-11 A kind of frequency converter air duct sealing structure

Publications (1)

Publication Number Publication Date
CN208508771U true CN208508771U (en) 2019-02-15

Family

ID=65288662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820895959.XU Active CN208508771U (en) 2018-06-11 2018-06-11 A kind of frequency converter air duct sealing structure

Country Status (1)

Country Link
CN (1) CN208508771U (en)

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