CN112909801A

CN112909801A - Unit circulating fan converter upgrading is reformed transform with electric cabinet convenient to remove

Info

Publication number: CN112909801A
Application number: CN202110348923.6A
Authority: CN
Inventors: 肖建华; 王鹏; 杨宗胜; 刘小波
Original assignee: Chengyu Vanadium Titanium Science and Technology Co Ltd
Current assignee: Chengyu Vanadium Titanium Science and Technology Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-06-04

Abstract

The invention discloses a conveniently movable electric cabinet for upgrading and transforming a frequency converter of a unit circulating fan, which comprises an electric cabinet body, wherein the top of the electric cabinet body is fixedly connected with a heat radiation fan, the top of the electric cabinet body is fixedly connected with a cooling box, the inside of the cooling box is fixedly connected with a cooling pipe, the inside of the cooling box is fixedly connected with a refrigerator, the inside of the electric cabinet body is fixedly connected with a fixed box, the inside of the fixed box is rotatably connected with a first rotating rod, the outside of the first rotating rod is fixedly connected with a transmission gear, and the outside of the first rotating rod is sleeved with a torsion spring. The electric cabinet heat dissipation of being convenient for.

Description

Unit circulating fan converter upgrading is reformed transform with electric cabinet convenient to remove

Technical Field

The invention relates to the technical field of electric cabinets, in particular to a movable electric cabinet for upgrading and reconstructing a frequency converter of a unit circulating fan.

Background

The electric cabinet contains one or more low-voltage switchgear and relevant control with it, the measurement, signals, protection, equipment such as regulation, and be responsible for by the manufacturer with the complete equipment of structural component together, the electric cabinet is the indispensable equipment among the unit circulating fan, the inside calorific capacity of electric cabinet is great, need dispel the heat, but present electric cabinet is only singly with the fan heat dissipation of blowing, fan radiating effect is not very good, the inside heat of electric cabinet is difficult giving off, lead to the electric cabinet temperature to rise, can influence the normal work of the inside components and parts of electric cabinet, to directly leading to the damage even.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the conveniently-moved electric cabinet for upgrading and reconstructing the frequency converter of the unit circulating fan.

In order to solve the technical problems, the invention provides the following technical scheme: a conveniently movable electric cabinet for upgrading and transforming a frequency converter of a unit circulating fan comprises an electric cabinet body, wherein a heat radiation fan is fixedly connected to the top of the electric cabinet body, a cooling box is fixedly connected to the top of the electric cabinet body, a cooling pipe is fixedly connected to the inside of the cooling box, a refrigerator is fixedly connected to the inside of the cooling box, a fixing box is fixedly connected to the inside of the electric cabinet body, a first rotating rod is rotatably connected to the inside of the fixing box, a transmission gear is fixedly connected to the outer side of the first rotating rod, a torsion spring is sleeved on the outer side of the first rotating rod, one end of the torsion spring is fixedly connected with the fixing box, a transverse plate is fixedly connected to the bottom of the first rotating rod, three spray heads are fixedly connected to the bottom of the transverse plate, and a second rotating rod is rotatably connected, the incomplete gear of bottom fixedly connected with of No. two dwangs, incomplete gear is connected with the drive gear meshing, the top fixedly connected with driving pulley of No. two dwangs, the inside of electric cabinet body rotates and is connected with the transmission shaft, the outside fixedly connected with driven pulley of transmission shaft, driven pulley's outside cover has the drive belt, driven pulley passes through the drive belt and is connected with the driving pulley transmission.

As a preferred scheme of the invention, a moving box is fixedly connected inside the electric cabinet body, a reciprocating screw rod is rotatably connected inside the moving box, the top of the reciprocating screw rod is fixedly connected with one end of a transmission shaft, a second sliding block is slidably connected inside the moving box, the second sliding block is in threaded connection with the reciprocating screw rod, a fixed plate is fixedly connected to one side of the second sliding block, three cooling fans are installed to one side of the fixed plate, a second motor is fixedly connected inside the moving box, and the output end of the second motor is fixedly connected with the reciprocating screw rod.

As a preferred scheme of the invention, a protection box is fixedly connected to the top of the electric cabinet body and located outside the heat dissipation fan, a filter screen is fixedly connected to one side of the protection box, the output end of the heat dissipation fan is connected with a cooling pipe through a pipeline, a rotary joint is installed on the top of the first rotating rod, all three spray heads are connected with the output end of the rotary joint through pipelines, the cooling pipe is connected with the input end of the rotary joint through a pipeline, and cooling water is arranged inside the cooling box.

According to a preferable scheme of the invention, the buffer box is symmetrically and fixedly connected to the outer side of the electric cabinet body, the buffer block is slidably connected to the inner portion of the buffer box, the protection plate is fixedly connected to one side of the buffer block, the slide rods are symmetrically and fixedly connected to the inner portion of the protection plate, the slide sleeve is slidably arranged on the outer side of the slide rod, the first spring is sleeved on the outer side of the slide rod, one end of the first spring is fixedly connected with the slide sleeve, one end of the first spring is fixedly connected with the protection plate, the first connecting rod is hinged to one side of the slide sleeve, and one end, far away from the slide sleeve, of the first connecting rod is hinged.

According to a preferable scheme of the invention, one side of the buffer block is fixedly connected with a sliding plate, the sliding plate is connected with the buffer box in a sliding manner, one side of the sliding plate, which is positioned in the buffer box, is fixedly connected with a second spring, one side of the sliding plate, which is far away from the second spring, is symmetrically and fixedly connected with a third spring, and one end of the third spring is fixedly connected with the buffer box.

According to a preferable scheme of the invention, a power box is fixedly connected inside the electric cabinet body, two-way lead screws are symmetrically and rotatably connected inside the power box, one end of one of the two-way lead screws is fixedly connected with one end of the other two-way lead screw, first sliding blocks are symmetrically and threadedly connected to the outer sides of the two-way lead screws, the four first sliding blocks are slidably connected with the power box, a first motor is fixedly connected inside the power box, the output end of the first motor is fixedly connected with one end of the two-way lead screw, second connecting rods are hinged to the bottoms of the four first sliding blocks, a fixed block is hinged to one side of each second connecting rod, and a universal wheel is fixedly connected to the bottom of the fixed block.

As a preferred scheme of the invention, the electric cabinet body is fixedly connected with a temperature sensor inside, the electric cabinet body is fixedly connected with a dehumidifying board inside, the electric cabinet body is fixedly connected with a heat dissipation net inside, and a cabinet door is installed on one side of the electric cabinet body.

As a preferred scheme of the present invention, a control panel is disposed on one side of the box door, and the cooling fan, the refrigerator, the temperature sensor, the first motor, the second motor, and the cooling fan are electrically connected to the control panel.

Compared with the prior art, the invention has the following beneficial effects: the invention can make the spray head rotate in a reciprocating way when spraying cold air through the structures of the cooling box, the fan, the refrigerator, the cooling pipe, the incomplete gear, the transmission gear, the torsion spring and the like, so that the cold air is quickly and uniformly distributed in the electric cabinet body, the temperature in the electric cabinet is quickly reduced, the heat dissipation of the electric cabinet is convenient, the heat dissipation fan can make reciprocating motion through the structures of the reciprocating screw rod, the second slide block, the moving box, the second motor and the like, so that the heat dissipation effect of the heat dissipation fan is better, air extracted by the heat dissipation fan can be filtered through the arranged filter screen, a large amount of dust is prevented from entering the electric cabinet, and the structures of the buffer box, the protection plate, the slide rod, the sliding sleeve, the first spring, the second spring, the third spring, the first connecting rod and the like can provide protection effect for the electric cabinet body when the electric cabinet body is impacted, better protect the electric cabinet body, the power box, two-way lead screw, a slider, No. two connecting rods and a motor through setting up can be used for adjusting the height of electric cabinet body to the personnel that make things convenient for the difference to rise use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an enlarged view of the invention at A in FIG. 1;

FIG. 3 is an enlarged view of the invention at B in FIG. 1;

FIG. 4 is a schematic view of a partial gear of the present invention;

FIG. 5 is a schematic perspective view of the present invention;

fig. 6 is a schematic structural view of the bottom of the electric cabinet body of the invention.

In the figure: 1. an electric cabinet body; 2. a filter screen; 3. a protection box; 4. a heat radiation fan; 5. a cooling tank; 6. a refrigerator; 7. a cooling tube; 8. a temperature sensor; 9. a dehumidification plate; 10. a slide bar; 11. a first spring; 12. a sliding sleeve; 13. a first connecting rod; 14. a buffer block; 15. a heat-dissipating web; 16. a protection plate; 17. a first motor; 18. a second connecting rod; 19. a fixed block; 20. a universal wheel; 21. a first sliding block; 22. a power box; 23. a drive shaft; 24. a driven pulley; 25. a transmission belt; 26. a rotary joint; 27. a transmission gear; 28. a first rotating rod; 29. a torsion spring; 30. a spray head; 31. a transverse plate; 32. a fixed box; 33. an incomplete gear; 34. a second rotating rod; 36. a drive pulley; 37. a bidirectional screw rod; 38. a mobile box; 39. a fixing plate; 40. a heat radiation fan; 41. a reciprocating screw rod; 42. a second sliding block; 43. a second spring; 44. a third spring; 45. a slide plate; 46. a control panel; 47. a box door; 48. a second motor; 49. a buffer tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a conveniently-movable electric cabinet for upgrading and transforming a frequency converter of a unit circulating fan comprises an electric cabinet body 1, wherein a heat dissipation fan 4 is fixedly connected to the top of the electric cabinet body 1, the heat dissipation fan 4 can blow gas to facilitate heat dissipation of the electric cabinet body 1, a cooling cabinet 5 is fixedly connected to the top of the electric cabinet body 1, a cooling pipe 7 is fixedly connected to the inside of the cooling cabinet 5, the cooling pipe 7 can enable the gas blown by the heat dissipation fan 4 to be fully contacted with cooling water to enable the temperature to be more reduced, a refrigerator 6 is fixedly connected to the inside of the cooling cabinet 5, the cooling water 6 can refrigerate to enable the temperature of the gas blown by the heat dissipation fan 4 to be reduced, the heat dissipation effect is better, a fixing cabinet 32 is fixedly connected to the inside of the electric cabinet body 1, a first rotating rod 28 is rotatably connected to the inside of the fixing cabinet 32, and a transmission gear 27 is fixedly, the outer side of the first rotating rod 28 is sleeved with a torsion spring 29, the torsion spring 29 can enable the first rotating rod 28 to automatically reset, and a spray head 30 can conveniently and reciprocally rotate, so that gas sprayed by the spray head 30 is rapidly and uniformly distributed to rapidly dissipate heat, one end of the torsion spring 29 is fixedly connected with the first rotating rod 28, one end of the torsion spring 29 is fixedly connected with a fixed box 32, the bottom of the first rotating rod 28 is fixedly connected with a transverse plate 31, the bottom of the transverse plate 31 is fixedly connected with three spray heads 30, the inner part of the electric cabinet body 1 is rotatably connected with a second rotating rod 34, the bottom of the second rotating rod 34 is fixedly connected with an incomplete gear 33, the incomplete gear 33 is meshed with a transmission gear 27, the top of the second rotating rod 34 is fixedly connected with a driving pulley 36, the inner part of the electric cabinet body 1 is rotatably connected with a transmission shaft, the outer side of the driven pulley 24 is sleeved with a transmission belt 25, and the driven pulley 24 is in transmission connection with the driving pulley 36 through the transmission belt 25.

Inside fixedly connected with movable box 38 of electric cabinet body 1, the inside of movable box 38 is rotated and is connected with reciprocal lead screw 41, reciprocal lead screw 41 can make No. two sliders 42 carry out reciprocating motion, thereby make radiator fan 40 carry out reciprocating motion, make radiator fan 40's radiating effect better, the top of reciprocal lead screw 41 and the one end fixed connection of transmission shaft 23, the inside sliding connection of movable box 38 has No. two sliders 42, No. two

sliders

42 and 41 threaded connection of reciprocal lead screw, No. two one side fixedly connected with fixed plate 39 of slider 42, three radiator fan 40 is installed to one side of fixed plate 39, No. two motors 48 of inside fixedly connected with of movable box 38, No. two motors 48's output and reciprocal lead screw 41 fixed connection.

The top of electric cabinet body 1 and the outside fixedly connected with guard box 3 that is located cooling fan 4, one side fixed connection filter screen 2 of guard box 3, filter screen 2 can filter the air that cooling fan 4 absorbs, avoid a large amount of dusts to enter into the inside of electric cabinet body 1, cooling fan 4's output passes through the pipeline and is connected with cooling tube 7, rotary joint 26 is installed at the top of dwang 28, three shower nozzle 30 all is connected with rotary joint 26's output through the pipeline, cooling tube 7 passes through the pipeline and is connected with rotary joint 26's input, the inside of cooling box 5 is provided with the cooling water.

The outside symmetry fixedly connected with baffle-box 49 of electric cabinet body 1, the inside sliding connection of baffle-box 49 has baffle 14, one side fixedly connected with guard plate 16 of baffle 14, guard plate 16 can be used for blockking the striking, the inside symmetry fixedly connected with slide bar 10 of guard plate 16, slide bar 10's the outside slides there is sliding sleeve 12, slide bar 10's outside cover has spring 11 No. one, spring 11's one end and sliding sleeve 12 fixed connection, spring 11's one end and guard plate 16 fixed connection, sliding sleeve 12's one side articulates there is connecting rod 13 No. one, connecting rod 13 keeps away from sliding sleeve 12's one end and buffer-box 49 articulated.

One side fixedly connected with slide 45 of buffer block 14, slide 45 can be used for restricting buffer block 14, avoid buffer block 14 to break away from buffer box 49, slide 45 and buffer box 49 sliding connection, one side of slide 45 and the inside fixedly connected with No. two springs 43 that are located buffer box 49, slide 45 keeps away from No. three springs 44 of the symmetrical fixedly connected with in one side of No. two springs 43, No. three springs 44's one end and buffer box 49 fixed connection, No. two springs 43 and No. three springs 44 all can be used for absorbing the energy that produces when striking, better protect electric cabinet body 1.

The power box 22 is fixedly connected inside the electric cabinet body 1, the bidirectional screw rod 37 is symmetrically and rotatably connected inside the power box 22, the first slide block 21 can be moved by the bidirectional screw rod 37, so that people can conveniently adjust the height of the electric cabinet body 1, one end of one of them two-way lead screw 37 and the one end fixed connection of another two-way lead screw 37, the equal symmetric thread in outside of two-way lead screw 37 is connected with slider 21 No. one, four slider 21 all with headstock 22 sliding connection, No. one motor 17 of inside fixedly connected with of headstock 22, the output of No. one motor 17 and two-way lead screw 37's one end fixed connection, four slider 21's bottom all articulates there is connecting rod 18 No. two, one side of connecting rod 18 articulates there is fixed block 19, the bottom fixedly connected with universal wheel 20 of fixed block 19, universal wheel 20 can make things convenient for people to remove electric cabinet body 1.

Inside fixedly connected with temperature sensor 8 of electric cabinet body 1, temperature sensor 8 can be used for monitoring the inside temperature of electric cabinet body 1, the inside fixedly connected with dehumidification board 9 of electric cabinet body 1, dehumidification board 9 can be used for making 1 inside dry that keeps of electric cabinet body, avoid 1 internal circuit of electric cabinet body to wet, the inside fixedly connected with radiator-grid 15 of electric cabinet body 1, radiator-grid 15 can be convenient for electric cabinet body 1 dispels the heat, chamber door 47 is installed to one side of electric cabinet body 1.

One side of chamber door 47 is provided with control panel 46, and control panel 46 can be used for controlling each equipment, makes things convenient for people to control, and cooling blower 4, refrigerator 6, temperature sensor 8, No. one motor 17, No. two motor 48 and radiator fan 40 all with control panel 46 electric connection.

The working principle is as follows: when the electric cabinet is used, when the temperature sensor 8 detects that the temperature is overhigh, an electric signal is sent to the control panel 46, the control panel 46 starts the second motor 48, the second motor 48 enables the reciprocating screw rod 41 to rotate, the reciprocating screw rod 41 rotates to enable the second sliding block 42 to reciprocate, the second sliding block 42 enables the fixed plate 39 to reciprocate, the fixed plate 39 enables the heat dissipation fan 40 to reciprocate, the heat dissipation fan 40 is started to dissipate heat, the reciprocating screw rod 41 enables the driving pulley 24 to rotate through the transmission shaft 23, the driving pulley 24 enables the driven pulley 36 to rotate through the transmission belt 25, the driven pulley 36 enables the incomplete gear 33 to rotate through the second rotating rod 34, the incomplete gear 33 enables the transmission gear 27 to rotate, the transmission gear 27 enables the first rotating rod 28 to rotate, the first rotating rod 28 enables the spray head 30 to rotate through the transverse plate 31, the first rotating rod 28 enables the torsion spring, when the incomplete gear 33 rotates to be not in contact with the transmission gear 27, the torsion spring 29 resets to drive the first rotating rod 28 to reset and rotate, the steps are repeated, so that the spray head 30 rotates in a reciprocating mode, the spray head 30 rotates while the cooling fan 4 and the refrigerator 6 start, the refrigerator 6 refrigerates cooling water in the cooling box 5, gas blown out by the cooling fan 4 enters the cooling pipe 7, the gas flows to the rotary joint 26 after being cooled by the cooling water, then the gas is sprayed out from the spray head 30 to cool the inside of the electric cabinet body 1 in a radiating mode, when the side face of the electric cabinet body 1 is impacted, the impact force pushes the protection plate 16 to move, the first connecting rod 13 rotates when the protection plate 16 moves, the first connecting rod 13 rotates to move the sliding sleeve 12, the sliding sleeve 12 compresses the first spring 11, the protection plate 16 moves the buffer block 14, and the buffer block 14 moves the sliding plate 45, no. two spring 43 compression during slide 45 motion, No. three spring 44 is stretched, thereby absorb the energy of striking, better protection electric cabinet body 1, when needing to adjust electric cabinet body 1's height, start a motor 17, a motor 17 makes two-way lead screw 37 rotate, two-way lead screw 37 rotates and makes a slider 21 toward the middle part motion of two-way lead screw 37, a slider 21 makes No. two connecting rod 18 rotate, thereby make electric cabinet body 1 rise, when needing electric cabinet body 1 to descend, only need make a motor 17 antiport can realize.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a unit circulating fan converter upgrading transformation is with electric cabinet of being convenient for to remove, includes electric cabinet body (1), its characterized in that: the top fixedly connected with radiator fan (4) of electric cabinet body (1), the top fixedly connected with cooler bin (5) of electric cabinet body (1), the inside fixedly connected with cooling tube (7) of cooler bin (5), the inside fixedly connected with refrigerator (6) of cooler bin (5), the inside fixedly connected with headstock (32) of electric cabinet body (1), the inside rotation of headstock (32) is connected with a dwang (28), the outside fixedly connected with drive gear (27) of a dwang (28), the outside cover of a dwang (28) has torsion spring (29), the one end and the dwang (28) fixed connection of torsion spring (29), the one end and the headstock (32) fixed connection of torsion spring (29), the bottom fixedly connected with diaphragm (31) of a dwang (28), the three shower nozzle of bottom fixedly connected with (30) of diaphragm (31), the internal rotation of electric cabinet body (1) is connected with dwang (34) No. two, the incomplete gear of bottom fixedly connected with (33) of dwang (34) No. two, incomplete gear (33) are connected with drive gear (27) meshing, the top fixedly connected with driving pulley (36) of dwang (34) No. two, the internal rotation of electric cabinet body (1) is connected with transmission shaft (23), the outside fixedly connected with driven pulley (24) of transmission shaft (23), the outside cover of driven pulley (24) has drive belt (25), driven pulley (24) are connected with driving pulley (36) transmission through drive belt (25).

2. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 1, and is characterized in that: the inside fixedly connected with of electric cabinet body (1) removes case (38), the inside rotation of removing case (38) is connected with reciprocal lead screw (41), the top of reciprocal lead screw (41) and the one end fixed connection of transmission shaft (23), the inside sliding connection of removing case (38) has No. two slider (42), No. two slider (42) and reciprocal lead screw (41) threaded connection, one side fixedly connected with fixed plate (39) of No. two slider (42), three radiator fan (40) are installed to one side of fixed plate (39), No. two motor (48) of inside fixedly connected with of removing case (38), the output and reciprocal lead screw (41) fixed connection of No. two motor (48).

3. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 2, and is characterized in that: the top of electric cabinet body (1) just is located outside fixedly connected with guard box (3) of cooling fan (4), one side fixed connection filter screen (2) of guard box (3), the output of cooling fan (4) passes through the pipeline and is connected with cooling tube (7), rotary joint (26) are installed at the top of dwang (28), and are three shower nozzle (30) all are connected with the output of rotary joint (26) through the pipeline, cooling tube (7) are connected with the input of rotary joint (26) through the pipeline, the inside of cooling box (5) is provided with the cooling water.

4. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 3, and is characterized in that: the outside symmetry fixedly connected with baffle-box (49) of electric cabinet body (1), the inside sliding connection of baffle-box (49) has buffer block (14), one side fixedly connected with guard plate (16) of buffer block (14), the inside symmetry fixedly connected with slide bar (10) of guard plate (16), the outside slip of slide bar (10) has sliding sleeve (12), the outside cover of slide bar (10) has spring (11) No. one, the one end and the sliding sleeve (12) fixed connection of spring (11), the one end and guard plate (16) fixed connection of spring (11), one side of sliding sleeve (12) articulates there is connecting rod (13) No. one, the one end that sliding sleeve (12) was kept away from to connecting rod (13) is articulated with baffle-box (49).

5. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 4, and is characterized in that: one side fixedly connected with slide (45) of buffer block (14), slide (45) and baffle-box (49) sliding connection, one side of slide (45) and be located No. two springs (43) of inside fixedly connected with of baffle-box (49), No. three springs (44) of one side symmetry fixedly connected with of No. two springs (43) are kept away from in slide (45), the one end and the baffle-box (49) fixed connection of No. three springs (44).

6. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 5, and is characterized in that: the interior of the electric cabinet body (1) is fixedly connected with a power box (22), the interior of the power box (22) is symmetrically and rotatably connected with a bidirectional screw rod (37), one end of one of the two-way screw rods (37) is fixedly connected with one end of the other two-way screw rod (37), the outer sides of the two-way screw rods (37) are symmetrically and threadedly connected with a first sliding block (21), the four first sliding blocks (21) are slidably connected with a power box (22), a first motor (17) is fixedly connected inside the power box (22), the output end of the first motor (17) is fixedly connected with one end of a bidirectional screw rod (37), the bottoms of the four first sliding blocks (21) are hinged with second connecting rods (18), one side of the second connecting rod (18) is hinged with a fixed block (19), and the bottom of the fixed block (19) is fixedly connected with a universal wheel (20).

7. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 6, and is characterized in that: the electric cabinet is characterized in that a temperature sensor (8) is fixedly connected to the inside of the electric cabinet body (1), a dehumidifying plate (9) is fixedly connected to the inside of the electric cabinet body (1), a radiating net (15) is fixedly connected to the inside of the electric cabinet body (1), and a cabinet door (47) is installed on one side of the electric cabinet body (1).

8. The electric cabinet convenient to move for upgrading and reconstructing the frequency converter of the unit circulating fan according to claim 7, and is characterized in that: one side of chamber door (47) is provided with control panel (46), cooling fan (4), refrigerator (6), temperature sensor (8), No. one motor (17), No. two motor (48) and radiator fan (40) all with control panel (46) electric connection.