CN114172348A - Industrial frequency converter with internal and external air exchange and static electricity removing functions - Google Patents

Industrial frequency converter with internal and external air exchange and static electricity removing functions Download PDF

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Publication number
CN114172348A
CN114172348A CN202111555900.9A CN202111555900A CN114172348A CN 114172348 A CN114172348 A CN 114172348A CN 202111555900 A CN202111555900 A CN 202111555900A CN 114172348 A CN114172348 A CN 114172348A
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CN
China
Prior art keywords
box body
internal
installation box
machine body
cover plate
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Granted
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CN202111555900.9A
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Chinese (zh)
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CN114172348B (en
Inventor
王继川
马继平
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Shenzhen Jingli Technology Co ltd
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Shenzhen Jingli Technology Co ltd
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Publication of CN114172348B publication Critical patent/CN114172348B/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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00Carrying-off electrostatic charges
    • H05F3/02Carrying-off electrostatic charges by means of earthing connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention discloses an industrial frequency converter with internal and external air exchange and a static electricity removal function, which comprises a machine body, wherein a first installation box body is arranged at one side of the machine body, a second installation box body is arranged at the other side of the machine body, an upper air suction hole is formed in the side surface of the machine body corresponding to the first installation box body, a lower air inlet hole is formed in the side surface of the machine body corresponding to the second installation box body, a first exhaust fan is arranged on the first installation box body, and internal installation plates are arranged in the first installation box body and the second installation box body. The invention relates to an industrial frequency converter with internal and external air exchange and a static elimination function, which belongs to the field of frequency converters, enables internal air exchange to be faster and internal heat dissipation effect to be better, filters exchanged air through structures such as an internal filter plate and the like, avoids dust from damaging internal electrical elements, is convenient for a user to independently select multiple positions to lead out static electricity, and is more flexible and convenient to use.

Description

Industrial frequency converter with internal and external air exchange and static electricity removing functions
Technical Field
The invention relates to the field of frequency converters, in particular to an industrial frequency converter with internal and external air exchange and a static electricity removal function.
Background
The frequency converter is a power control device which controls an alternating current motor by changing the working power supply frequency mode of the motor, mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit and a microprocessing unit, and the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar translator), provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation, in addition, the frequency converter has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like, and is widely applied along with the continuous improvement of the industrial automation degree, and in the use of the industrial frequency converter, because the frequency converter is easy to generate heat in the working process, the heat is mainly radiated through ventilation holes arranged at the two sides of the frequency converter, at indoor air current circulation relatively slow, when relying on the scavenge port to take a breath the heat dissipation, efficiency is very slow, and take a breath the in-process easily with outside dust bring into inside the equipment, cause the inside problem that appears of equipment, contain static in the converter sometimes and need get rid of, mainly through the conductor wire with static leading-in subaerial, but the inconvenient nail of nailing into in indoor many positions, and the upper end fixed connection of conductor wire on the equipment, the user also can not adjust, it is inconvenient to use.
Disclosure of Invention
The invention mainly aims to provide an industrial frequency converter with internal and external air exchange and a static elimination function, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
an industrial frequency converter with internal and external air exchange and static electricity removal functions comprises a machine body, wherein a first installation box body is arranged at one side position of the machine body, a second installation box body is arranged at the other side position of the machine body, an upper air suction hole is formed in the side surface of the machine body corresponding to the first installation box body, a lower air inlet hole is formed in the side surface of the machine body corresponding to the second installation box body, a first exhaust fan is arranged on the first installation box body, internal installation plates are arranged in the first installation box body and the second installation box body, an internal installation groove is formed between the internal installation plates, an internal filter plate is arranged in the internal installation groove, a first cover plate is arranged at the side position of the first installation box body, a second cover plate is arranged at the side position of the second installation box body, and the top of a plurality of heat dissipation holes is formed in the upper position of the machine body, the machine body is provided with a middle rotating rod at the central position of the top radiating holes, the middle rotating rod is provided with an upper cover plate, the upper cover plate is provided with a plurality of fan-shaped openings, the upper cover plate is provided with a fan-shaped filter plate in the fan-shaped openings, the machine body is provided with side support rods at the two sides of the upper cover plate, the upper end positions of the side support rods are provided with upper protection plates, the bottom position of the machine body is provided with a bottom rotating shaft, the side position of the bottom rotating shaft is provided with a bottom accommodating pipe, a bottom telescopic rod is arranged in the bottom accommodating pipe, the outer end position of the bottom telescopic rod is provided with an outer side connecting ring body, a connecting conductive wire is arranged in the outer side connecting ring body, the upper end position of the connecting conductive wire is provided with an upper bifurcate line, and the upper end position of the upper bifurcate line is provided with an upper conductive head, the outer side position of the upper conductive head is provided with a first annular magnet, the lower end position of the connecting conductive wire is provided with a lower conductive head, the outer side position of the lower conductive head is provided with a second annular magnet, the lower portion position of the connecting conductive wire is provided with a lower branch line, and the lower end position of the lower branch line is provided with a fixing nail.
Preferably, a control screen is arranged on the front side of the machine body, and a control button is arranged on the lower portion of the control screen on the front side of the machine body.
Preferably, the first installation box body and the second installation box body are fixedly installed on the machine body through welding, a plurality of bolt installation holes are formed in the first installation box body and the first cover plate, and fixing bolts are arranged in the bolt installation holes of the first installation box body and the first cover plate.
Preferably, a plurality of bolt mounting holes are also formed in the second mounting box body and the second cover plate, and fixing bolts are also arranged in the bolt mounting holes of the second mounting box body and the second cover plate.
Preferably, the central point of upper portion apron puts and is provided with the middle part and rotates the hole, the upper portion apron rotates hole and middle part dwang movable mounting through the middle part, the upper end position of middle part dwang is provided with the upper portion connector, the quantity of top louvre and fan-shaped mouth and fan-shaped filter is four, the position that is located and top louvre of fan-shaped filter corresponds each other.
Preferably, the upper portion guard plate is through welding and side bracing piece fixed mounting, the side bracing piece is through welding and organism fixed mounting, the upper portion guard plate is located the top position of upper portion connector.
Preferably, the number of the inner installation plates in the first installation box body and the second installation box body is four, and the two inner installation plates are positioned at the upper part and the lower part of the first installation box body and the second installation box body in a group.
Preferably, the outer end position of the bottom containing pipe is provided with a bolt, the position that corresponds No. one bolt on the bottom containing pipe is provided with the screw, the side position that the ring body is connected in the outside is provided with No. two bolts, the position that corresponds No. two bolts on the ring body is connected in the outside is provided with the screw equally.
Compared with the prior art, the invention has the following beneficial effects:
the external wind power is sucked through the lower air inlet hole, the hot air at the upper part position is sucked out through the upper air suction hole by the first exhaust fan, the external air is in contact with the internal electric element as much as possible in a mode of sucking the hot air at the upper part position through the lower part, the heat is taken out as much as possible, the first exhaust fan provides power, the air exchange is quicker, the heat dissipation effect is better, in addition, when the heat generated by the machine body is not much, the first exhaust fan can be selected not to be opened, the upper cover plate can be movably rotated, partial heat is dissipated from the top position, and the selectivity is better;
the dust is filtered by filtering sucked and sucked gas through the arranged inner filter plate and the fan-shaped filter plate, and the dust is prevented from entering the machine body by matching with structures such as an upper protection plate and the like, so that the dustproof effect of the machine body is better, internal electric elements are prevented from being damaged, and the inner filter plate is convenient to replace and clean;
the bottom bearing that sets up is convenient for adjust the position of connecting the electric wire, and a plurality of upper portion bifurcated lines are convenient for the user independently select the absorptive position of inside static, are convenient for provide more mounting means through the lower part conducting head of bottom, and it is more nimble convenient to use.
Drawings
FIG. 1 is a schematic structural diagram of a first installation box of an industrial frequency converter with internal and external air exchange and static electricity elimination functions according to the present invention;
FIG. 2 is a schematic structural diagram of a second mounting box of an industrial frequency converter with internal and external air exchange and static electricity elimination functions according to the present invention;
FIG. 3 is a schematic diagram of a disassembled structure of a second mounting box body and an upper cover plate of the industrial frequency converter with internal and external air exchange and static elimination function according to the present invention;
FIG. 4 is a schematic structural diagram of a connecting conductive wire of an industrial frequency converter with static elimination function for exchanging air between inside and outside according to the present invention;
FIG. 5 is a schematic structural diagram of a second mounting box of an industrial frequency converter with internal and external air exchange and electrostatic elimination functions according to the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5.
In the figure: 1. a body; 2. a control screen; 3. a control button; 4. installing a box body; 5. a first exhaust fan; 6. a first cover plate; 7. mounting a box body II; 8. a second cover plate; 9. an inner filter plate; 10. an upper air draft hole; 11. a top heat dissipation hole; 12. a lower air inlet hole; 13. an upper cover plate; 14. a fan-shaped opening; 15. a fan-shaped filter plate; 16. a lateral support bar; 17. a middle rotation hole; 18. a middle rotating rod; 19. an upper connector; 20. an upper guard plate; 21. fixing the bolt; 22. an inner mounting plate; 23. an inner mounting groove; 24. a bolt mounting hole; 25. a bottom rotating shaft; 26. a bottom receiving tube; 27. a bottom telescoping rod; 28. a first bolt; 29. the outer side is connected with a ring body; 30. a second bolt; 31. connecting a conductive wire; 32. an upper bifurcation line; 33. an upper conductive head; 34. a first ring magnet; 35. a lower conductive head; 36. a second ring magnet; 37. a lower bifurcation line; 38. and (5) fixing the nail.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figures 1-6, an industrial frequency converter with internal and external air exchange and static electricity removing functions comprises a machine body 1, a first installation box body 4 is arranged at one side position of the machine body 1, a second installation box body 7 is arranged at the other side position of the machine body 1, an upper air suction hole 10 is arranged at the side surface of the machine body 1 corresponding to the first installation box body 4, a lower air inlet hole 12 is arranged at the side surface of the machine body 1 corresponding to the second installation box body 7, a first air suction fan 5 is arranged on the first installation box body 4, internal installation plates 22 are arranged in the first installation box body 4 and the second installation box body 7, an internal installation groove 23 is arranged between the internal installation plates 22, an internal filter plate 9 is arranged in the internal installation groove 23, a first cover plate 6 is arranged at the side position of the first installation box body 4, a second cover plate 8 is arranged at the side position of the second installation box body 4, a plurality of top parts 11 are arranged at the upper position of the machine body 1, a middle rotating rod 18 is arranged at the central position of the top radiating hole 11 on the machine body 1, an upper cover plate 13 is arranged on the middle rotating rod 18, a plurality of fan-shaped openings 14 are arranged on the upper cover plate 13, fan-shaped filter plates 15 are arranged in the fan-shaped openings 14 on the upper cover plate 13, side support rods 16 are arranged at the positions of two sides of the upper cover plate 13 on the machine body 1, upper protection plates 20 are arranged at the upper ends of the side support rods 16, a bottom rotating shaft 25 is arranged at the bottom of the machine body 1, a bottom accommodating pipe 26 is arranged at the side position of the bottom rotating shaft 25, a bottom telescopic rod 27 is arranged in the bottom accommodating pipe 26, an outer side connecting ring body 29 is arranged at the outer end position of the bottom telescopic rod 27, a connecting conductive wire 31 is arranged in the outer side connecting ring body 29, an upper branch line 32 is arranged at the upper end position of the connecting conductive wire 31, and an upper conductive head 33 is arranged at the upper end position of the upper branch line 32, a first annular magnet 34 is arranged at the outer side of the upper conductive head 33, a lower conductive head 35 is arranged at the lower end of the connecting conductive wire 31, a second annular magnet 36 is arranged at the outer side of the lower conductive head 35, a lower part forked wire 37 is arranged at the lower end of the connecting conductive wire 31, and a fixing nail 38 is arranged at the lower end of the lower part forked wire 37.
In the present invention, in order to check the operation of the control body 1, a control screen 2 is provided at the front position of the body 1, and a control button 3 is provided at the lower position of the control screen 2 at the front of the body 1.
In the invention, in order to install the first cover plate 6 conveniently, the first installation box body 4 and the second installation box body 7 are fixedly installed with the machine body 1 through welding, a plurality of bolt installation holes 24 are formed in the first installation box body 4 and the first cover plate 6, and fixing bolts 21 are arranged in the bolt installation holes 24 of the first installation box body 4 and the first cover plate 6.
In the invention, in order to facilitate the installation of the second cover plate 8, a plurality of bolt installation holes 24 are also formed in the second installation box body 7 and the second cover plate 8, and fixing bolts 21 are also arranged in the bolt installation holes 24 of the second installation box body 7 and the second cover plate 8.
In the present invention, in order to facilitate the installation of the upper cover plate 13, a central position of the upper cover plate 13 is provided with a central rotation hole 17, the upper cover plate 13 is movably installed with a central rotation rod 18 through the central rotation hole 17, an upper connector 19 is arranged at an upper end position of the central rotation rod 18, the number of the top heat dissipation holes 11, the number of the fan-shaped ports 14 and the number of the fan-shaped filter plates 15 are four, and the positions of the fan-shaped filter plates 15 and the positions of the top heat dissipation holes 11 correspond to each other.
In the present invention, in order to facilitate the fixed installation of the upper protection plate 20, the upper protection plate 20 is fixedly installed with the side support bar 16 by welding, the side support bar 16 is fixedly installed with the machine body 1 by welding, and the upper protection plate 20 is located above the upper connector 19.
In the present invention, in order to facilitate the upper cover plate 13 to close or open the top heat dissipation hole 11, the number of the internal mounting plates 22 in the first mounting box 4 and the second mounting box 7 is four, and two internal mounting plates are a group and are located at the upper and lower positions of the first mounting box 7 and the second mounting box 7.
In addition, a first bolt 28 is disposed at an outer end of the bottom storage tube 26, a screw hole is disposed at a position corresponding to the first bolt 28 on the bottom storage tube 26, a second bolt 30 is disposed at a side position of the outer connecting ring 29, and a screw hole is also disposed at a position corresponding to the second bolt 30 on the outer connecting ring 29, so as to fix the bottom extension rod 27 and connect the conductive wire 31.
It should be noted that, the present invention is an industrial frequency converter with internal and external air exchange and static electricity removing functions, when the heat generated by the machine body 1 is not too much and the temperature is not too high, the upper cover plate 13 is movably rotated with the middle rotating rod 18 through the middle rotating hole 17, so that the fan-shaped filter plate 15 on the upper cover plate 13 moves to the side, and gradually moves to the position above the top heat dissipation hole 11, the machine body 1 generates heat during the working process, the heated air will gradually gather upwards, the top heat dissipation hole 11 at the top matches with the upper air suction hole 10 and the lower air inlet hole 12 at the side position to dissipate the heat, when the temperature of the machine body 1 is higher, the upper cover plate 13 is reversely rotated to cover the top heat dissipation hole 11, then the first air blower 5 is started to draw out the hot air inside the machine body 1 through the upper air suction hole 10, the lower air inlet hole 12 sucks the external air from the outside, the lower air inlet 12 is located at the lower position, the outside air flows upwards after entering the inside, and is drawn out by the first air extractor 5, thereby contacting with the electric elements as much as possible, and the hot air is taken out, meanwhile, the structure of the internal filter plate 9 is arranged, so that the sucked or sucked gas is filtered, and the dust is reduced, the fixed bolts 21 on the first cover plate 6 and the second cover plate 8 are screwed out, thereby the first cover plate 6 and the second cover plate 8 are disassembled, the internal filter plate 9 is drawn out from the internal mounting groove 23, so that the internal filter plate 9 is cleaned or replaced, the upper protection plate 20 at the top position of the machine body 1 mainly protects the machine body 1 and the fan-shaped filter plate 15, meanwhile, a certain height is supported above the upper cover plate 13 at the upper position, so that the finger can enter the inside to rotate the upper cover plate 13, the bottom rotating shaft 25 enables the bottom containing pipe 26 to rotate movably, screw out bolt 28, make bottom telescopic link 27 can accomodate pipe 26 internalization and remove in the bottom, thereby be convenient for select the position of connecting conductor wire 31, screw out bolt 30 No. two, the conductor wire 31 is connected to the activity pull in the external connection ring body 29, make each upper portion bifurcated line 32 of connecting the conductor wire 31 upper end move to suitable position, the position mutual installation that needs leading-in static through annular magnetite 34 and the organism 1 of upper portion conducting head 33 outside position, organism 1's shell adopts steel nature, thereby be convenient for derive the static on the organism 1 from a plurality of positions, when indoor ground is convenient for install staple 38, through the subaerial suitable position mutual installation of lower part conducting head 35, make the installation more various, thereby make the static derivation mode of organism 1 more convenient, it is more convenient to use.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an inside and outside air exchange just has industry converter of function of destaticizing which characterized in that: comprises a machine body (1), a first installation box body (4) is arranged at one side position of the machine body (1), a second installation box body (7) is arranged at the other side position of the machine body (1), an upper air suction hole (10) is arranged at the position, corresponding to the first installation box body (4), of the side surface of the machine body (1), a lower air inlet hole (12) is arranged at the position, corresponding to the second installation box body (7), of the side surface of the machine body (1), a first air exhauster (5) is arranged on the first installation box body (4), inner installation plates (22) are arranged in the first installation box body (4) and the second installation box body (7), an inner installation groove (23) is arranged between the inner installation plates (22), an inner filter plate (9) is arranged in the inner installation groove (23), and a first cover plate (6) is arranged at the side position of the first installation box body (4), a second cover plate (8) is arranged at the side position of the second mounting box body (4), a plurality of top radiating holes (11) are arranged at the upper part of the machine body (1), a middle rotating rod (18) is arranged at the central position of the top radiating holes (11) on the machine body (1), an upper cover plate (13) is arranged on the middle rotating rod (18), a plurality of fan-shaped openings (14) are arranged on the upper cover plate (13), fan-shaped filter plates (15) are arranged in the fan-shaped openings (14) on the upper cover plate (13), side support rods (16) are arranged at the two side positions of the upper cover plate (13) on the machine body (1), an upper protection plate (20) is arranged at the upper end position of each side support rod (16), a bottom rotating shaft (25) is arranged at the bottom position of the machine body (1), a bottom accommodating pipe (26) is arranged at the side position of the bottom rotating shaft (25), a bottom telescopic rod (27) is arranged in the bottom containing pipe (26), an outer side connecting ring body (29) is arranged at the outer end position of the bottom telescopic rod (27), a connecting conductive wire (31) is arranged in the outer connecting ring body (29), an upper branch line (32) is arranged at the upper end of the connecting conductive wire (31), an upper conductive head (33) is arranged at the upper end of the upper branch line (32), a first annular magnet (34) is arranged at the outer side of the upper conductive head (33), a lower conductive head (35) is arranged at the lower end of the connecting conductive wire (31), a second annular magnet (36) is arranged at the outer side of the lower conductive head (35), a lower branch line (37) is arranged at the lower part of the connecting conductive line (31), and a fixing nail (38) is arranged at the lower end of the lower bifurcation line (37).
2. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: the front side of the machine body (1) is provided with a control screen (2), and the front side of the machine body (1) is provided with a control button (3) at the lower part of the control screen (2).
3. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: no. one installation box body (4), No. two installation box bodies (7) are through welding and organism (1) fixed mounting, be provided with a plurality of bolt mounting hole (24) on installation box body (4) and apron (6), be provided with fixing bolt (21) in bolt mounting hole (24) of installation box body (4), apron (6).
4. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: a plurality of bolt mounting holes (24) are also formed in the second mounting box body (7) and the second cover plate (8), and fixing bolts (21) are also arranged in the bolt mounting holes (24) of the second mounting box body (7) and the second cover plate (8).
5. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: the central point of upper portion apron (13) puts and is provided with middle part rotation hole (17), upper portion apron (13) rotates hole (17) and middle part dwang (18) movable mounting through the middle part, the upper end position of middle part dwang (18) is provided with upper portion connector (19), top louvre (11) and fan-shaped mouth (14) and the quantity of fan-shaped filter (15) are four, the position that is located of fan-shaped filter (15) corresponds each other with the position of top louvre (11).
6. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: the upper portion protection plate (20) is fixedly installed with the side supporting rod (16) through welding, the side supporting rod (16) is fixedly installed with the machine body (1) through welding, and the upper portion protection plate (20) is located above the upper portion connector (19).
7. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: the number of the internal mounting plates (22) in the first mounting box body (4) and the second mounting box body (7) is four, and the two internal mounting plates are positioned at the upper part and the lower part of the first mounting box body (7) and the second mounting box body (7) in a group.
8. The industrial frequency converter with the functions of internal and external air exchange and static electricity elimination as claimed in claim 1, is characterized in that: the outer end position of taking in pipe (26) in the bottom is provided with bolt (28) No. one, the position that corresponds bolt (28) on taking in pipe (26) in the bottom is provided with the screw, the side position that the ring body (29) was connected in the outside is provided with No. two bolt (30), the position that corresponds No. two bolt (30) on the ring body (29) is connected in the outside is provided with the screw equally.
CN202111555900.9A 2021-12-17 2021-12-17 Industrial frequency converter with internal and external air exchange and static electricity removal functions Active CN114172348B (en)

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Application Number Priority Date Filing Date Title
CN202111555900.9A CN114172348B (en) 2021-12-17 2021-12-17 Industrial frequency converter with internal and external air exchange and static electricity removal functions

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Application Number Priority Date Filing Date Title
CN202111555900.9A CN114172348B (en) 2021-12-17 2021-12-17 Industrial frequency converter with internal and external air exchange and static electricity removal functions

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CN114172348A true CN114172348A (en) 2022-03-11
CN114172348B CN114172348B (en) 2023-06-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11204973A (en) * 1998-01-09 1999-07-30 Nanao Corp Heat radiating structure for electronic equipment
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