CN207321107U - A kind of combined circuit protective device of high protection intelligent frequency-conversion driver - Google Patents
A kind of combined circuit protective device of high protection intelligent frequency-conversion driver Download PDFInfo
- Publication number
- CN207321107U CN207321107U CN201720458453.8U CN201720458453U CN207321107U CN 207321107 U CN207321107 U CN 207321107U CN 201720458453 U CN201720458453 U CN 201720458453U CN 207321107 U CN207321107 U CN 207321107U
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- plate
- isolating
- circuit
- board
- capacitance
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- Power Conversion In General (AREA)
- Inverter Devices (AREA)
Abstract
The utility model discloses a kind of combined circuit protective device of high protection intelligent frequency-conversion driver, including base circuit board, isolating and protecting plate, filter circuit plate, capacitor board, capacitance closed plate, isolating and protecting plate is provided with the top of the base circuit board, the filter circuit plate is installed on isolating and protecting plate, the base circuit board top edge is provided with capacitor board, and capacitance closed plate is provided with the capacitor board.The utility model can solve the harmonic distortion and overpressure problems that frequency converter produces in Industry Control, there is phenomena such as malfunction is even crashed in other electronic equipments of transducer control circuit and same electric power system caused by reduction harmonic pollution electric power system, strengthen the anti-interference compatibility and stability of circuit, beneficial to popularization and application.
Description
【Technical field】
The technical field of circuit protection is the utility model is related to, particularly a kind of combination of high protection intelligent frequency-conversion driver
The technical field of formula circuit protective device.
【Background technology】
Frequency converter (Variable-frequency Drive, VFD) is to apply converter technique and microelectric technique, by changing
Become motor working power Frequency Patterns to control the electric control appliance of ac motor.Mainly by rectification, (exchange becomes frequency converter
Direct current), filtering, inversion (direct current become exchange), brake unit, driving unit, the composition such as detection unit microprocessing unit.Frequency converter
IGBT cut-offs to adjust the voltage and frequency of out-put supply close to the inner portion, and it is required to provide its according to the actual needs of motor
Supply voltage, and then energy saving, speed governing purpose, in addition, frequency converter also has many defencive functions, such as overcurrent, overvoltage, mistake
Carry protection etc..In the control of industrial motor, frequency converter is improved and made with its good speed adjustment features, obvious energy conservation, defencive function
With it is easy to maintain the advantages that, rapidly became the mainstream of electric machine speed regulation in recent years.Main circuit of converter is straight by rectification circuit, centre
Current circuit and inverter three parts composition, during the energy conversion of AC-DC-AC is realized, big work(power transistor inversion meeting
A large amount of higher hamonic waves and voltage pulse output are produced in input and output circuit.Abundant harmonic wave can pollute electric power system, cause
There is phenomena such as malfunction is even crashed in other electronic equipments of transducer control circuit and same electric power system.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of high protection intelligent frequency-conversion driver
Combined circuit protective device, harmonic distortion and overpressure problems that frequency converter in Industry Control produces can be solved, reduced humorous
Malfunctioning very occur in other electronic equipments of transducer control circuit and same electric power system caused by ripple pollution electric power system
To phenomena such as crash, strengthen the anti-interference compatibility and stability of circuit, beneficial to popularization and application.
To achieve the above object, the utility model proposes a kind of combined circuit of high protection intelligent frequency-conversion driver to prevent
Protection unit, including base circuit board, isolating and protecting plate, filter circuit plate, capacitor board, capacitance closed plate, the base circuit board
Top is provided with isolating and protecting plate, and the filter circuit plate is installed on isolating and protecting plate, the base circuit board top edge
Capacitor board is provided with, capacitance closed plate is installed on the capacitor board.
Preferably, the isolating and protecting plate is connected by heightening bolt with base circuit board, the isolating and protecting plate
Mounting means is detachable, and the isolating and protecting plate is electromagnetic shielding plate.
Preferably, EMC is provided with the filter circuit plate considers ripple element circuit, the filter circuit plate and basis electricity
Winding displacement socket is both provided with the plate of road, the winding displacement socket is connected by connection cable, and the filter circuit plate passes through rubber spiral shell
Bolt is installed on isolating and protecting plate, and the mounting means of the filter circuit plate is detachable.
Preferably, the connection mode of the capacitor board and base circuit board is detachable, on the capacitance sealing plate
Multiple capacitance seal grooves are set, and the capacitance seal groove is coated on all capacitances of capacitor board, and the capacitance seal groove is to lead
Heat shielding groove.
The beneficial effects of the utility model：The utility model is by by base circuit board, isolating and protecting plate, filter circuit
Plate, capacitor board, capacitance closed plate are combined together, by optimum experimental, can solve frequency converter in Industry Control produce it is humorous
Ripple distort and overpressure problems, reduce harmonic pollution electric power system caused by transducer control circuit and same electric power system its
There is phenomena such as malfunction is even crashed in its electronic equipment, and strengthens the anti-interference compatibility and stability of circuit, beneficial to popularization
Using.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of the combined circuit protective device of high protection intelligent frequency-conversion driver of the utility model
Figure.
In figure：21- base circuit boards, 22- isolating and protectings plate, 23- filter circuit plates, 24- capacitor boards, the closing of 25- capacitances
Plate, 26- winding displacements socket, 27- capacitance seal grooves.
【Embodiment】
Refering to attached drawing 1, the utility model proposes a kind of combined circuit of high protection intelligent frequency-conversion driver to protect dress
Put, including base circuit board 21, isolating and protecting plate 22, filter circuit plate 23, capacitor board 24, capacitance closed plate 25, the basis
The top of circuit board 21 is provided with isolating and protecting plate 22, and the filter circuit plate 23 is installed on isolating and protecting plate 22, the basis
21 top edge of circuit board is provided with capacitor board 24, and capacitance closed plate 25, the isolating and protecting are provided with the capacitor board 24
Plate 22 is connected by heightening bolt with base circuit board 21, the mounting means of the isolating and protecting plate 22 be it is detachable, it is described
Isolating and protecting plate 22 is electromagnetic shielding plate, and EMC is provided with the filter circuit plate 23 and considers ripple element circuit, the filter circuit
Winding displacement socket 26 is both provided with plate 23 and base circuit board 21, the winding displacement socket 26 is connected by connection cable, the filter
Wave circuit plate 23 is installed on isolating and protecting plate 22 by rubber bolt, and the mounting means of the filter circuit plate 23 is detachable
Formula, the connection mode of the capacitor board 24 and base circuit board 21 is detachable, and multiple electricity are set on the capacitance sealing plate
Hold seal groove 27, the capacitance seal groove 27 is coated on all capacitances of capacitor board 24, and the capacitance seal groove 27 is heat conduction
Shielding trench.
The utility model is by by base circuit board 21, isolating and protecting plate 22, filter circuit plate 23, capacitor board 24, capacitance
Closed plate 25 is combined together, and by optimum experimental, can solve frequency converter produces in Industry Control harmonic distortion and overvoltage
Problem, other electronic equipments of transducer control circuit and same electric power system caused by reduction harmonic pollution electric power system go out
Phenomena such as now malfunction is even crashed, strengthens the anti-interference compatibility and stability of circuit, beneficial to popularization and application.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (4)
- A kind of 1. combined circuit protective device of high protection intelligent frequency-conversion driver, it is characterised in that：Including base circuit board (21), isolating and protecting plate (22), filter circuit plate (23), capacitor board (24), capacitance closed plate (25), the base circuit board (21) top is provided with isolating and protecting plate (22), and the filter circuit plate (23) is installed on isolating and protecting plate (22), the base Plinth circuit board (21) top edge is provided with capacitor board (24), and capacitance closed plate (25) is provided with the capacitor board (24).
- 2. a kind of combined circuit protective device of high protection intelligent frequency-conversion driver as claimed in claim 1, its feature exist In：The isolating and protecting plate (22) is connected by heightening bolt with base circuit board (21), the peace of the isolating and protecting plate (22) Dress mode is detachable, and the isolating and protecting plate (22) is electromagnetic shielding plate.
- 3. a kind of combined circuit protective device of high protection intelligent frequency-conversion driver as claimed in claim 1, its feature exist In：EMC is provided with the filter circuit plate (23) and considers ripple element circuit, the filter circuit plate (23) and base circuit board (21) winding displacement socket (26) is both provided with, the winding displacement socket (26) is connected by connection cable, the filter circuit plate (23) it is installed on by rubber bolt on isolating and protecting plate (22), the mounting means of the filter circuit plate (23) is detachable Formula.
- 4. a kind of combined circuit protective device of high protection intelligent frequency-conversion driver as claimed in claim 1, its feature exist In：The capacitor board (24) and the connection mode of base circuit board (21) are detachable, are set on the capacitance sealing plate more A capacitance seal groove (27), the capacitance seal groove (27) are coated on all capacitances of capacitor board (24), the capacitance sealing Groove (27) is heat conduction shielding trench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458453.8U CN207321107U (en) | 2017-04-27 | 2017-04-27 | A kind of combined circuit protective device of high protection intelligent frequency-conversion driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458453.8U CN207321107U (en) | 2017-04-27 | 2017-04-27 | A kind of combined circuit protective device of high protection intelligent frequency-conversion driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321107U true CN207321107U (en) | 2018-05-04 |
Family
ID=62435879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458453.8U Expired - Fee Related CN207321107U (en) | 2017-04-27 | 2017-04-27 | A kind of combined circuit protective device of high protection intelligent frequency-conversion driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207321107U (en) |
-
2017
- 2017-04-27 CN CN201720458453.8U patent/CN207321107U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 314300 No. 1070 Lane 88 Yanbei West Road, Wuyuan Street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG JAROL SCIENTIFIC INSTRUMENT CO., LTD. Address before: 314300 Guyuan Village, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG JAROL SCIENTIFIC INSTRUMENT CO., LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |