CN218550406U

CN218550406U - Multi-connected frequency converter convenient to expand

Info

Publication number: CN218550406U
Application number: CN202222770287.9U
Authority: CN
Inventors: 施甘东; 朱志杰; 施怡特; 蒋楷儒
Original assignee: Guangzhou Longzi'an Electric Co ltd
Current assignee: Guangzhou Longzi'an Electric Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-28
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a converter technical field especially relates to a convenient extension ally oneself with converter more. The technical scheme comprises the following steps: first converter shell and second converter shell, the mounting panel is all installed to both sides outer wall top and the below of first converter shell and second converter shell, be connected through coupling mechanism between the mounting panel on the outer wall of first converter shell one side and the mounting panel on the outer wall of second converter shell one side, coupling mechanism includes second connecting plate, third connecting plate, pull ring, fourth connecting plate, connecting rod, spring, pull rod, reference column, cavity rectangular plate, through-hole and second locating hole, the fourth connecting plate is installed to the one end of pull rod, the reference column is all installed to four corners in bottom of fourth connecting plate. The utility model discloses be convenient for carry out parallelly connected extension with a plurality of converters, a plurality of converters equipment is quick, and easy operation is convenient, and is efficient, and the practicality is strong.

Description

Multi-connected frequency converter convenient to expand

Technical Field

The utility model relates to a converter technical field specifically is a convenient extension ally oneself with converter more.

Background

The frequency converter mainly comprises a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, 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. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

Through retrieval, patent publication No. CN214281215U discloses a parallel module type frequency converter, relating to the field of frequency converters. This parallelly connected module formula converter, including converter machine case and No. two converter machine casees, display device is installed No. one to the front end of converter machine case, a wire connecting seat is installed to the left end of converter machine case, a converter machine case keeps away from the one end of a wire connecting seat and installs a connection fixed cassette, a limit connection block is all installed at the upper and lower both ends of converter machine case, and limit thread slotted hole has all been seted up to the inside of every group limit connection block, the one end that a converter machine case was kept away from to a connection fixed cassette has seted up connection work slot.

When the existing frequency converter is assembled and expanded, the steps of assembling and expanding the frequency converter by workers are complex, the frequency converter is also complex to disassemble and assemble, the efficiency of assembling and expanding a plurality of frequency converters is low, the frequency converter needs to be disassembled and assembled by means of an external tool, the operation is inconvenient, and therefore the existing problem is solved by the multi-connected frequency converter which is convenient to expand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient expanded many converter that ally oneself with to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient expanded many converter that ally oneself with, includes first converter shell and second converter shell, the mounting panel is all installed to both sides outer wall top and the below of first converter shell and second converter shell, be connected through coupling mechanism between the mounting panel on the outer wall of first converter shell one side and the mounting panel on the outer wall of second converter shell one side, coupling mechanism includes second connecting plate, third connecting plate, pull ring, fourth connecting plate, connecting rod, spring, pull rod, reference column, cavity rectangular plate, through-hole and second locating hole, the fourth connecting plate is installed to the one end of pull rod, the reference column is all installed to four corners in bottom of fourth connecting plate, the other end of reference column passes the second locating hole on cavity rectangular plate top and installs in the first locating hole on the mounting panel surface, be provided with the spring between second connecting plate and the fourth connecting plate, and the spring housing establishes in the outer wall outside of pull rod, the box is all installed to the both sides outer wall central point of first converter shell and second converter shell, the inside of box is provided with radiator fan and the board-type just imitates the filter screen, and just one side of effect the fan is just imitated the filter screen just.

Through the cooperation setting of a series of structures, when the staff need assemble the extension to a plurality of converters, the staff stimulates the pull ring and makes the reference column move up, and the staff all installs the other end of mounting panel on first converter shell and the second converter shell behind the inboard of cavity rectangular plate on the coupling mechanism again, and the staff loosens the pull ring, makes the reference column install the equipment extension between first converter shell and the second converter shell in first locating hole and the second locating hole, thereby the utility model discloses be convenient for carry out the parallelly connected extension with a plurality of converters, a plurality of converters equipment is quick, and easy operation is convenient, and is efficient, need not carry out the dismouting with the help of outside instrument, through the cooperation setting of a series of structures such as cooling fan, board-type primary filter screen, during the converter is worked, the inside electronic component of converter can produce certain heat, and cooling fan can carry the inside of converter with outside cold air, and the air that the cooling fan produced in the converter this moment flows and forms the collision, and the inside heat of converter can be discharged from first ventilation fast with the heat of converter, can effectually carry out the inside electronic component of converter, and the high temperature electronic component of converter under the frequency converter condition of the heat dissipation fan produced, the life of having avoided the converter to take place the electronic component and the life condition under the converter.

Preferably, the one end of mounting panel is installed in the inboard of cavity rectangular plate, and is clearance connection between the outer wall of mounting panel and the inner wall of cavity rectangular plate, be clearance connection between the outer wall of reference column and the pore wall of first locating hole and second locating hole.

Preferably, the other end of the pull rod penetrates through a through hole in the surface of the second connecting plate and is connected with the third connecting plate, the outer wall of the pull rod is in clearance connection with the hole wall of the through hole, a pull ring is mounted on the upper surface of the third connecting plate, and the second connecting plate is connected with the hollow rectangular plate through a connecting rod.

Preferably, the both ends of board-like primary filter screen are all installed in the U type inslot on U type cardboard, and just the both ends outer wall of board-like primary filter screen all with be clearance connection between the cell wall in the U type groove on the U type cardboard, U type cardboard is installed on the inside top and the bottom of box.

Preferably, first ventilation slotted holes are formed in the tops of the first frequency converter shell and the second frequency converter shell, and a display screen, a control button and a lead connecting seat are sequentially arranged on the front end faces of the first frequency converter shell and the second frequency converter shell from top to bottom.

Preferably, the outer walls of the two sides of the box body are respectively provided with a second ventilation slot hole and a third ventilation slot hole, the outer walls of the two sides of the first frequency converter shell and the second frequency converter shell are respectively provided with a fourth ventilation slot hole, and the second ventilation slot hole, the third ventilation slot hole and the fourth ventilation slot hole are communicated with each other.

Preferably, a sealing door is arranged on the front end face of the box body, and a safety lock is arranged on the sealing door.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation setting of a series of structures, when the staff need assemble the extension to a plurality of converters, the staff stimulates the pull ring and makes the reference column rebound, and the inboard back of cavity rectangular plate on the coupling mechanism is all installed with the other end of mounting panel on first converter shell and the second converter shell to the staff again, and the staff loosens the pull ring for the reference column is installed in first locating hole and the second locating hole and can be accomplished the equipment extension between first converter shell and the second converter shell, thereby the utility model discloses be convenient for carry out parallelly connected extension with a plurality of converters, a plurality of converters equipment is quick, and easy operation is convenient, and is efficient, need not carry out the dismouting with the help of outside instrument.

2. The utility model discloses a cooling fan, the cooperation setting of a series of structures such as board-like primary filter screen, the converter during operation, the inside electronic component of converter can produce certain heat, cooling fan can carry the inside of converter with outside cold air this moment, the produced air flow of the ascending cooling fan in converter both sides side forms the collision this moment, the air of collision can be discharged the inside heat of converter from first ventilation slotted hole fast, can effectually dispel the heat to the inside electronic component of converter, avoided the inside electronic component of converter because of being in the condition emergence that leads to converter life to reduce under the high temperature state, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the connection mechanism of the present invention;

fig. 4 is a cross-sectional view of the connection mechanism of the present invention.

In the figure: 1. a first frequency converter housing; 2. a first ventilation slot; 3. a connecting mechanism; 301. a second connecting plate; 302. a third connecting plate; 303. a pull ring; 304. a fourth connecting plate; 305. a connecting rod; 306. a spring; 307. a pull rod; 308. a positioning column; 309. a hollow rectangular plate; 310. a through hole; 311. a second positioning hole; 4. a second inverter housing; 5. a first positioning hole; 6. mounting a plate; 7. a box body; 8. a display screen; 9. a control button; 10. a wire connecting seat; 11. a sealing door; 12. a second ventilation slot; 13. a safety lock; 14. a plate-type primary filter screen; 15. a heat radiation fan; 16. a third ventilation slot; 17. a fourth ventilation slot; 18. u-shaped cardboard.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a convenient expanded multi-inverter, including first converter shell 1 and second converter shell 4, mounting panel 6 is all installed to the both sides outer wall top and the below of first converter shell 1 and second converter shell 4, be connected through coupling mechanism 3 between mounting panel 6 on the outer wall of first converter shell 1 one side and the mounting panel 6 on the outer wall of second converter shell 4 one side, coupling mechanism 3 includes second connecting plate 301, third connecting plate 302, pull ring 303, fourth connecting plate 304, connecting rod 305, spring 306, pull rod 307, reference column 308, cavity rectangular plate 309, through-hole 310 and second locating hole 311, fourth connecting plate 304 is installed to the one end of pull rod 307, reference column 308 is all installed to four corners in the bottom of fourth connecting plate 304, the other end of reference column 308 passes second locating hole 311 on cavity rectangular plate 309 top and installs in the first locating hole 5 on mounting panel 6 surface, be provided with spring 306 between second connecting plate 301 and the fourth connecting plate 304, and spring 306's the outer wall outside, the outer wall of first converter shell 1 and the outer wall of second converter shell 4 and the first locating hole 7 that installs at the heat dissipation box body 15 of mounting panel type heat dissipation fan case that the heat dissipation box was located 14 inner side is imitated to the heat dissipation fan case body 14, and the heat dissipation plate type fan is located the heat dissipation box body 15 cover 15.

The working principle of the conveniently-expanded multi-connected frequency converter based on the first embodiment is as follows: when the staff needs to assemble and expand a plurality of frequency converters, the staff pulls the pull ring 303 to enable the positioning column 308 to move upwards, and after the staff installs the other ends of the mounting plates 6 on the first frequency converter shell 1 and the second frequency converter shell 4 to the inner side of the hollow rectangular plate 309 on the connecting mechanism 3, the staff loosens the pull ring 303 to enable the positioning column 308 to be installed in the first positioning hole 5 and the second positioning hole 311 to complete the assembly and expansion between the first frequency converter shell 1 and the second frequency converter shell 4, so that the utility model is convenient for the parallel expansion of the plurality of frequency converters, the assembly of the plurality of frequency converters is quick, the operation is simple and convenient, the efficiency is high, the frequency converters do not need to be disassembled and assembled by means of external tools, when the frequency converters work, the internal electronic elements of the frequency converters can generate certain heat, the heat dissipation fan 15 can convey the external cold air to the inside of the frequency converters, the air generated by the heat dissipation fan 15 in the two side directions of the frequency converters can flow to form collision, the internal heat of the frequency converters can be discharged from the first slot hole 2 quickly, the internal electronic elements of the frequency converters can be effectively dissipated, the heat, the internal elements of the frequency converters are prevented from being in high temperature, and the service life of the internal electronic elements of the frequency converters is shortened, and the practical applicability of the frequency converters is high temperature electronic elements is high.

Example two

As shown in fig. 1-4, the utility model provides a convenient expanded multi-connected frequency converter compares in embodiment one, and this embodiment still includes: one end of the mounting plate 6 is arranged at the inner side of the hollow rectangular plate 309, the outer wall of the mounting plate 6 is in clearance connection with the inner wall of the hollow rectangular plate 309, the outer wall of the positioning column 308 is in clearance connection with the hole walls of the first positioning hole 5 and the second positioning hole 311, the other end of the pull rod 307 passes through the through hole 310 on the surface of the second connecting plate 301 and is connected with the third connecting plate 302, the outer wall of the pull rod 307 is in clearance connection with the hole wall of the through hole 310, the upper surface of the third connecting plate 302 is provided with a pull ring 303, the second connecting plate 301 is connected with the hollow rectangular plate 309 through a connecting rod 305, two ends of the plate type primary filter screen 14 are arranged in a U-shaped groove on the U-shaped clamping plate 18, and the outer walls of two ends of the plate type primary filter screen 14 are in clearance connection with the groove wall of the U-shaped groove on the U-shaped clamping plate 18, U type cardboard 18 is installed on the inside top and the bottom of box 7, first ventilation slotted hole 2 has all been seted up at the top of first converter shell 1 and second converter shell 4, the preceding terminal surface from the top down of first converter shell 1 and second converter shell 4 has set gradually display screen 8, control button 9 and wire connecting seat 10, second ventilation slotted hole 12 and third ventilation slotted hole 16 have been seted up on the both sides outer wall of box 7 respectively, fourth ventilation slotted hole 17 has all been seted up on the both sides outer wall of first converter shell 1 and second converter shell 4, second ventilation slotted hole 12, link up each other between third ventilation slotted hole 16 and the fourth ventilation slotted hole 17, the preceding terminal surface of box 7 is provided with sealing door 11, be provided with safety lock 13 on the sealing door 11.

In this embodiment, the outer wall of the mounting plate 6 is in clearance connection with the inner wall of the hollow rectangular plate 309, so that the mounting plate 6 can be conveniently mounted on the inner side of the hollow rectangular plate 309 or the mounting plate 6 can be conveniently moved out of the hollow rectangular plate 309, the outer wall of the positioning column 308 is in clearance connection with the hole walls of the first positioning hole 5 and the second positioning hole 311, so that the positioning column 308 can be conveniently moved out of the first positioning hole 5 and the second positioning hole 311, and the outer walls of the two ends of the plate-type primary filter screen 14 are in clearance connection with the groove walls of the U-shaped grooves on the U-shaped clamping plate 18, so that the worker can conveniently detach, replace or clean the plate-type primary filter screen 14, filter dust in the external air, and prevent the situation that a large amount of dust in the external air is conveyed into the first frequency converter housing 1 and the second frequency converter housing 4 by the cooling fan 15 during operation of the frequency converter, so that electronic components in the frequency converter are covered by a large amount of dust and corroded occurs.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a convenient expanded multi-connected frequency converter, includes first converter shell (1) and second converter shell (4), its characterized in that: mounting plates (6) are mounted above and below outer walls of two sides of a first frequency converter shell (1) and a second frequency converter shell (4), the mounting plates (6) on the outer wall of one side of the first frequency converter shell (1) are connected with the mounting plates (6) on the outer wall of one side of the second frequency converter shell (4) through connecting mechanisms (3), each connecting mechanism (3) comprises a second connecting plate (301), a third connecting plate (302), a pull ring (303), a fourth connecting plate (304), a connecting rod (305), a spring (306), a pull rod (307), a positioning column (308), a hollow rectangular plate (309), a through hole (310) and a second positioning hole (311), the fourth connecting plate (304) is mounted at one end of the pull rod (307), positioning columns (308) are mounted at four corners of the bottom of the fourth connecting plate (304), the other ends of the positioning columns (308) penetrate through second positioning holes (311) in the top of the hollow rectangular plate (309) and are mounted in first positioning holes (5) in the surface of the mounting plates (6), positioning columns (306) are arranged between the second connecting plate (301) and the fourth connecting plate (306), a position of the spring (307) is arranged between the outer wall of the second frequency converter shell (4), a box body (7) and a box body (7) is arranged at the outer wall of the position of the second frequency converter shell (1), and the outer wall (7), and the outer wall of the second frequency converter shell (1), and the box body (7) are arranged at two sides of the box body (1), and the box body (13) ) The box body (7) is internally provided with a heat radiation fan (15) and a plate-type primary filter screen (14), and the heat radiation fan (15) is positioned on one side of the plate-type primary filter screen (14).

2. A conveniently scalable multiple frequency converter as defined in claim 1, wherein: the inboard at cavity rectangular plate (309) is installed to the one end of mounting panel (6), and is clearance connection between the outer wall of mounting panel (6) and the inner wall of cavity rectangular plate (309), be clearance connection between the outer wall of reference column (308) and the pore wall of first locating hole (5) and second locating hole (311).

3. A conveniently-expandable multi-connected frequency converter according to claim 1, characterized in that: the other end of the pull rod (307) penetrates through a through hole (310) in the surface of the second connecting plate (301) and is connected with the third connecting plate (302), the outer wall of the pull rod (307) is in clearance connection with the hole wall of the through hole (310), a pull ring (303) is installed on the upper surface of the third connecting plate (302), and the second connecting plate (301) is connected with the hollow rectangular plate (309) through a connecting rod (305).

4. A conveniently-expandable multi-connected frequency converter according to claim 1, characterized in that: the both ends of board-like primary filter screen (14) all install the U type inslot on U type cardboard (18), and the both ends outer wall of board-like primary filter screen (14) all with be clearance connection between the cell wall in the U type groove on U type cardboard (18), install the inside top and the bottom at box (7) in U type cardboard (18).

5. A conveniently scalable multiple frequency converter as defined in claim 1, wherein: first ventilation slot hole (2) have all been seted up at the top of first converter shell (1) and second converter shell (4), the preceding terminal surface from the top down of first converter shell (1) and second converter shell (4) has set gradually display screen (8), control button (9) and wire connecting seat (10).

6. A conveniently-expandable multi-connected frequency converter according to claim 1, characterized in that: second ventilation slotted hole (12) and third ventilation slotted hole (16) have been seted up on the both sides outer wall of box (7) respectively, fourth ventilation slotted hole (17) have all been seted up on the both sides outer wall of first converter shell (1) and second converter shell (4), link up each other between second ventilation slotted hole (12), third ventilation slotted hole (16) and fourth ventilation slotted hole (17).

7. A conveniently scalable multiple frequency converter as defined in claim 1, wherein: the front end face of the box body (7) is provided with a sealing door (11), and a safety lock (13) is arranged on the sealing door (11).