CN110994954A - Frequency converter for suppressing high-frequency harmonic - Google Patents

Frequency converter for suppressing high-frequency harmonic Download PDF

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Publication number
CN110994954A
CN110994954A CN201911236518.4A CN201911236518A CN110994954A CN 110994954 A CN110994954 A CN 110994954A CN 201911236518 A CN201911236518 A CN 201911236518A CN 110994954 A CN110994954 A CN 110994954A
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CN
China
Prior art keywords
mounting groove
frequency converter
locking bolt
plate
groove
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Granted
Application number
CN201911236518.4A
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Chinese (zh)
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CN110994954B (en
Inventor
李俊伟
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Zhangzhou Tailian Electric Power Technology Co ltd
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Zhangzhou Tailian Electric Power Technology Co ltd
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Priority to CN201911236518.4A priority Critical patent/CN110994954B/en
Publication of CN110994954A publication Critical patent/CN110994954A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/0003Details of control, feedback or regulation circuits
    • H02M1/0038Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/0064Magnetic structures combining different functions, e.g. storage, filtering or transformation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics

Abstract

The invention relates to the technical field of frequency converters, in particular to a frequency converter for inhibiting high-frequency harmonic waves, which comprises a frequency converter body, wherein a data interface is arranged on the outer side of the frequency converter body, a mounting groove is arranged on the frequency converter body and is positioned on the outer side of the data interface, a group of magnetic strip bars are clamped in the mounting groove, a plurality of clamping rings are correspondingly arranged on one side, opposite to the magnetic strip bars, along the length direction, two sides of the magnetic strip bars are provided with clamping mechanisms, two ends of one side, connected with the mounting groove, of the magnetic strip bars are respectively clamped with a sliding block, two sides of the mounting groove are respectively provided with a sliding groove at the connection part with the sliding block, a base plate is clamped on the outer side of the frequency converter body, the top of the base plate is provided with a rotating groove, two ends of the rotating groove are respectively and rotatably provided with, the invention has convenient adjustment and use, and can facilitate the normal disassembly, assembly and maintenance of the frequency converter.

Description

Frequency converter for suppressing high-frequency harmonic
Technical Field
The invention relates to the technical field of frequency converters, in particular to a frequency converter for inhibiting high-frequency harmonics.
Background
The energy-saving system of the frequency converter is widely used in the market due to the advantages of obvious energy-saving effect, high automation degree and the like, however, because the interference caused by the special working mode of the frequency converter cannot be ignored, the main interference of the frequency converter in the working process has harmonic wave and electromagnetic radiation, which can cause the conduction interference of the power grid, cause the voltage distortion of the power grid and can influence the normal work of peripheral electric appliances, most of the users adopt the method of additionally arranging an input reactor on an input main circuit to reduce the interference, however, the extra reactor has high cost, and the volume of the input reactor is large, so that the cabinet needs to be enlarged, thereby the cost of the cabinet body has been increased, another kind is installing the high frequency magnetic ring additional on the circuit of converter, but the installation between current magnetic ring and the converter is unstable, and application scope is little to inconvenient dismouting influences the normal maintenance use by the converter.
Disclosure of Invention
The invention aims to solve the defects that the interference is large when a frequency converter is used, the cost of the existing anti-interference equipment is high, the disassembly and the assembly are difficult, and the normal maintenance of the frequency converter is influenced in the prior art, and provides the frequency converter for inhibiting high-frequency harmonics.
In order to achieve the purpose, the invention adopts the following technical scheme:
the frequency converter for inhibiting the high-frequency harmonic waves comprises a frequency converter body, wherein a data interface is arranged on the outer side of the frequency converter body, a mounting groove is arranged on the frequency converter body, the mounting groove is positioned on the outer side of the data interface, a group of magnetic strip strips are clamped in the mounting groove, a plurality of clamping rings are correspondingly arranged on one side, opposite to the magnetic strip strips, along the length direction, the two sides of the magnetic strip strips are provided with clamping mechanisms, sliding blocks are clamped at two ends of one side, connected with the mounting groove, of the magnetic strip, sliding grooves are formed at the joint of two sides of the mounting groove and the sliding blocks, a base plate is clamped on the outer side of the frequency converter body, the base plate is positioned on the outer side of the upper end of the mounting groove, a rotating groove is formed in the top of the base plate, rotating plates are rotatably arranged at two ends of the rotating groove, a plurality of limiting holes are uniformly formed, and a limiting mechanism is arranged between the moving plate and the rotating plate.
Preferably, the limiting mechanism comprises a clamping block, a limiting plate and a first locking bolt, the clamping block and the limiting plate are fixed to the outer sides of the two ends of the moving plate, the clamping block is located inside the limiting plate, and the first locking bolt is installed on the limiting plate in a penetrating mode.
Preferably, the transverse dimension of the clamping block is matched with the width dimension of the clamping groove, the position of the first locking bolt corresponds to the position of the limiting hole, and the size of the limiting hole is matched with that of the first locking bolt.
Preferably, the base plate and the outside both ends of one side that the rotor plate meets all run through and install second locking bolt, second locking bolt with the size phase-match in spacing hole.
Preferably, the size of the sliding groove is matched with that of the sliding block, and the size of the sliding groove is matched with that of the sliding block.
Preferably, the clamping mechanism comprises a fixing block, the fixing block is fixed on the outer sides of two ends of the magnetic strip, the fixing block is located at two ends of one side of the outer side of the mounting groove, and a locking bolt is installed between the fixing blocks in a penetrating mode.
Preferably, the locking bolt is a stud bolt, and the length of the locking bolt is smaller than the height of the mounting groove.
The frequency converter for inhibiting the high-frequency harmonic wave has the beneficial effects that:
1. the utility model has the advantages of utilize the magnet lath and the base plate of installation in the data interface outside, can form the high frequency magnetic ring at the data interface department of converter through block mechanism, can restrain the converter at the high frequency harmonic that the during operation produced to easy dismounting can pass through stop gear, can improve the installation stability of magnet lath, and easy to assemble uses, and the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of a frequency converter for suppressing high-frequency harmonics according to the present invention;
fig. 2 is a schematic structural diagram of a frequency converter for suppressing high-frequency harmonics according to the present invention;
fig. 3 is a schematic structural diagram three of a frequency converter for suppressing high frequency harmonics according to the present invention,
fig. 4 is a schematic structural diagram of a frequency converter for suppressing high-frequency harmonics according to the present invention.
In the figure: the frequency converter comprises a frequency converter body 1, magnetic strips 2, a clamping ring 3, a fixing block 4, a locking bolt 5, a rotating plate 6, a base plate 7, a baffle plate 8, a first locking bolt 9, a clamping block 10, a limiting plate 11, a rotating groove 12, a second locking bolt 13, a limiting hole 14, a sliding block 15, a mounting groove 16, a sliding groove 17, a clamping groove 18 and a moving plate 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, a frequency converter for suppressing high frequency harmonics, which comprises a frequency converter body 1, wherein a data interface is arranged on the outer side of the frequency converter body 1, a mounting groove 16 is arranged on the frequency converter body 1, the mounting groove 16 is positioned on the outer side of the data interface, a group of magnetic strip strips 2 are clamped in the mounting groove 16, a plurality of snap rings 3 are correspondingly arranged on one opposite sides of the magnetic strip 2 along the length direction, clamping mechanisms are arranged on two sides of the magnetic strip 2, sliders 15 are clamped at two ends of one side of the magnetic strip 2 connected with the mounting groove 16, sliding grooves 17 are arranged at the joint of two sides of the mounting groove 16 and the sliders 15, the sliding grooves 17 are matched with the sliders 15 in size, the size of the sliding grooves 17 is matched with the size of the sliders 15, the magnetic strip 2 can be conveniently moved in the mounting groove 16, the magnetic strip 2 can be prevented from being separated from the inside of the mounting groove, base plate 7 is located the mounting groove 16 upper end outside, and open at base plate 7 top has rotating groove 12, rotating groove 12 both ends are all rotated and are installed rotor plate 6, rotor plate 6 one side is evenly run through along length direction and is opened there are a plurality of spacing holes 14, 2 bottoms of magnet strip of 16 lower parts of mounting groove are fixed with movable plate 19, install stop gear between movable plate 19 and the rotor plate 6, can improve the installation stability of device, and the device is at the stability of during operation, and can conveniently overhaul the dismouting of device.
Example 2
Referring to fig. 2-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the limiting mechanism includes a fixture block 10, a limiting plate 11 and a first locking bolt 9, the fixture block 10 and the limiting plate 11 are both fixed outside two ends of a moving plate 19, the fixture block 10 is located inside the limiting plate 11, the first locking bolt 9 is installed on the limiting plate 11 in a penetrating manner, the transverse dimension of the fixture block 10 matches the width dimension of a slot 18, the position of the first locking bolt 9 corresponds to the position of a limiting hole 14, the size of the limiting hole 14 matches the size of the first locking bolt 9, the two ends of the outside of one side of a base plate 7 connected with a rotating plate 6 are both installed in a penetrating manner, the second locking bolt 13 matches the size of the limiting hole 14, which facilitates the fixing of the rotating plate 6, facilitates the adjustment and use of the device by a worker, and reduces the detection difficulty of the device, and conveniently adjust the position of snap ring 3, be suitable for the data wiring of different sizes, improve the performance of device. The slide groove 17 matches the size of the slide block 15, and the slide groove 17 matches the size of the slide block 15.
Example 3
Referring to fig. 1 to 3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the fastening mechanism includes fixing blocks 4, the fixing blocks 4 are fixed at the outer sides of both ends of the magnet strip 2, the fixing blocks 4 are located at both ends of one side of the magnet strip 2 located at the outer side of the mounting groove 16, locking bolts 5 are installed between the fixing blocks 4 in a penetrating manner, the locking bolts 5 are stud bolts, and the length of the locking bolts 5 is smaller than the height of the mounting groove 16, so that the installation and position adjustment of the magnet strip 2 are conveniently completed, and the use is convenient.
The invention utilizes the magnetic strip and the substrate which are arranged outside the data interface, can form a high-frequency magnetic ring at the data interface of the frequency converter through the clamping mechanism, can inhibit high-frequency harmonic waves generated when the frequency converter works, is convenient to disassemble and assemble, can improve the installation stability of the magnetic strip through the limiting mechanism, is convenient to install and use, and has lower cost.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a restrain converter of high frequency harmonic, includes converter body (1), open converter body (1) the outside has data interface, its characterized in that, converter body (1) is opened has mounting groove (16), mounting groove (16) are located the data interface outside, the inside joint of mounting groove (16) has a set of magnet lath (2), one side that magnet lath (2) is relative all corresponds along length direction and has opened a plurality of snap rings (3), block mechanism is installed to magnet lath (2) both sides, magnet lath (2) and the equal joint in one side both ends that mounting groove (16) meet have slider (15), spout (17) have all been opened with slider (15) department of meeting in mounting groove (16) both sides, converter body (1) outside joint has base plate (7), base plate (7) are located mounting groove (16) upper end outside, and open at base plate (7) top has rotation groove (12), it all rotates at rotation groove (12) both ends and installs rotor plate (6), rotor plate (6) one side is evenly run through along length direction and is opened a plurality of spacing holes (14), mounting groove (16) lower part magnet strip (2) bottom is fixed with movable plate (19), movable plate (19) with install stop gear between rotor plate (6).
2. The frequency converter for suppressing high frequency harmonics according to claim 1, wherein the limiting mechanism comprises a clamping block (10), a limiting plate (11) and a first locking bolt (9), the clamping block (10) and the limiting plate (11) are fixed at the outer sides of the two ends of the moving plate (19), the clamping block (10) is located inside the limiting plate (11), and the first locking bolt (9) is penetratingly mounted on the limiting plate (11).
3. The frequency converter for suppressing high frequency harmonics according to claim 2, wherein the lateral dimension of the latch (10) matches the width dimension of the latch groove (18), the position of the first locking bolt (9) corresponds to the position of the limiting hole (14), and the size of the limiting hole (14) matches the size of the first locking bolt (9).
4. The frequency converter for suppressing high frequency harmonics according to claim 1, wherein a second locking bolt (13) is installed through both ends of the outer portion of one side of the base plate (7) connected with the rotating plate (6), and the second locking bolt (13) is matched with the size of the limiting hole (14).
5. A frequency converter for suppressing high frequency harmonics according to claim 1, characterized in that the slide groove (17) matches the size of the slide block (15), and the slide groove (17) matches the size of the slide block (15).
6. The frequency converter for suppressing high frequency harmonics according to claim 1, wherein the fastening mechanism comprises fixing blocks (4), the fixing blocks (4) are fixed at the outer sides of the two ends of the magnetic strip (2), the fixing blocks (4) are located at the two ends of one side of the magnetic strip (2) located at the outer side of the mounting groove (16), and a locking bolt (5) is installed between the fixing blocks (4) in a penetrating manner.
7. A frequency converter for suppressing high frequency harmonics according to claim 1, characterized in that the locking bolt (5) is a stud bolt, and the length of the locking bolt (5) is smaller than the height of the mounting groove (16).
CN201911236518.4A 2019-12-05 2019-12-05 Frequency converter for suppressing high-frequency harmonic Active CN110994954B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911236518.4A CN110994954B (en) 2019-12-05 2019-12-05 Frequency converter for suppressing high-frequency harmonic

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Application Number Priority Date Filing Date Title
CN201911236518.4A CN110994954B (en) 2019-12-05 2019-12-05 Frequency converter for suppressing high-frequency harmonic

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CN110994954A true CN110994954A (en) 2020-04-10
CN110994954B CN110994954B (en) 2023-03-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002199389A (en) * 2000-10-18 2002-07-12 Maspro Denkoh Corp Down converter, up converter and catv system
CN201758353U (en) * 2010-06-09 2011-03-09 四川意通能达环保科技有限公司 Frequency-conversion energy-saving system for inhibiting harmonic
CN102867647A (en) * 2011-07-08 2013-01-09 无锡宸瑞电子科技有限公司 Direct-current support capacitor capable of effectively absorbing high-frequency harmonic waves
CN203504392U (en) * 2013-09-29 2014-03-26 深圳市英威腾电气股份有限公司 Magnetic ring fixing device and explosion-proof frequency converter
CN207572973U (en) * 2017-10-11 2018-07-03 山东弥高电力科技有限公司 A kind of harmonic protection device for power equipment
CN110034459A (en) * 2019-04-10 2019-07-19 南京涛博能源科技有限公司 A kind of inhibition harmonic compensation module self-locking Wiring port

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002199389A (en) * 2000-10-18 2002-07-12 Maspro Denkoh Corp Down converter, up converter and catv system
CN201758353U (en) * 2010-06-09 2011-03-09 四川意通能达环保科技有限公司 Frequency-conversion energy-saving system for inhibiting harmonic
CN102867647A (en) * 2011-07-08 2013-01-09 无锡宸瑞电子科技有限公司 Direct-current support capacitor capable of effectively absorbing high-frequency harmonic waves
CN203504392U (en) * 2013-09-29 2014-03-26 深圳市英威腾电气股份有限公司 Magnetic ring fixing device and explosion-proof frequency converter
CN207572973U (en) * 2017-10-11 2018-07-03 山东弥高电力科技有限公司 A kind of harmonic protection device for power equipment
CN110034459A (en) * 2019-04-10 2019-07-19 南京涛博能源科技有限公司 A kind of inhibition harmonic compensation module self-locking Wiring port

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