CN210167958U

CN210167958U - Frequency converter with good moisture-proof effect

Info

Publication number: CN210167958U
Application number: CN201921308623.XU
Authority: CN
Inventors: 饶海清
Original assignee: SHENZHEN KCLY ELECTRIC CO Ltd
Current assignee: SHENZHEN KCLY ELECTRIC CO Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-03-20
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a converter that dampproofing is effectual, including last casing, the fluting has all been seted up to the central authorities of going up the casing shell left and right sides, and the spout has all been seted up to the position department that the left and right sides of going up the casing shell just is located fluting top and bottom, and the inner chamber sliding connection of spout has the second slider, and one side fixedly connected with slip box of spout is kept away from to the second slider. The utility model discloses a structural design between spout and second slider and the fluting makes the slip box slide around can going on in the grooved inner chamber, has made things convenient for the staff to connect the slip box in the left and right sides of last casing, and structural design between first slider of rethread and the slide rail can make things convenient for the staff around the slip sliding plate, puts into the inner chamber of slip box with the drier to make this converter that dampproofing is effectual reach the purpose that makes things convenient for the staff to change the inside drier of converter.

Description

Frequency converter with good moisture-proof effect

Technical Field

The utility model relates to a converter technical field, concretely relates to dampproofing effectual converter.

Background

The frequency converter mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit and a microprocessing unit, the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off of an internal IGBT (insulated gate bipolar transistor), the required power supply voltage is provided according to the actual requirement of the motor, and then the purposes of energy saving and speed regulation are achieved.

At present, the inside of many converters all is provided with small-size dead slot, carries out damp-proofing effect through filling the dead slot with the drier in order to reach the converter, but the drier still can reduce gradually after long-time use drying effect, need change the drier, but owing to the structural design of present converter, make the staff change the drier all will take the converter apart, not only troublesome poeration still influences staff's work efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a converter that dampproofing effect is good.

The utility model discloses a frequency converter with good moisture-proof effect, which comprises an upper shell, wherein the centers of the left side and the right side of an upper shell body are provided with a groove, the positions of the left side and the right side of the upper shell body, which are positioned at the top and the bottom of the groove, are provided with a chute, the inner cavity of the chute is connected with a second slide block in a sliding way, one side of the second slide block, which is far away from the chute, is fixedly connected with a sliding box, the top and the bottom of one side of the sliding box body, which is far away from the upper shell body, are provided with a slide rail, the inner cavity of the slide rail is connected with a first slide block in a sliding way, one side of the first slide block, which is far away from the slide rail, is fixedly connected with a convex block in the center of one side of the sliding box body, the front and the back of one side of the sliding, the front of going up casing inner chamber top and the equal fixedly connected with screw thread spliced pole in the left and right sides at back, the bottom of screw thread spliced pole column body is pegged graft and is had PMKD, the front of PMKD inner chamber bottom and the equal fixedly connected with fan in back, the equal threaded connection of left and right sides at PMKD bottom front and back has the threaded rod.

The utility model discloses a dampproofing effectual converter, wherein the left and right sides of PMKD board body bottom openly and back all set up threaded hole, and the screw hole is located the bottom of screw thread spliced pole.

The utility model discloses a dampproofing effectual converter, wherein the threaded rod runs through in the inner chamber of screw hole, and the pole body threaded connection at threaded rod top is in the shaft of screw thread spliced pole.

The utility model discloses a dampproofing effectual converter, wherein the length of sliding box side is the same with the length of fluting side, and the inner chamber packing of sliding box has the drier.

The utility model discloses a dampproofing effectual converter, wherein the circular slot has been seted up at PMKD plate body top and the top that is located the fan, and the diameter of the face of looking over of this circular slot is the same with the diameter of the face of looking over of fan.

The utility model discloses a dampproofing effectual converter, wherein the mesh size of screen cloth side agrees with the positive size of drier mutually.

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

1. the utility model discloses a structural design between spout and second slider and the fluting, make the slip box slide around can going on in the grooved inner chamber, the left and right sides at last casing has been made things convenient for the staff to connect the slip box, structural design between rethread first slider and the slide rail, can make things convenient for the staff sliding plate around, put into the inner chamber of slip box with the drier, structural design between slip box opening and the screen cloth, can seal the drier in the slip box in the activity box, can not hinder the drier again and the air contact in the upper casing simultaneously, the influence is to the dampproofing effect of converter, thereby make this dampproofing effectual converter reach the purpose that makes things convenient for the staff to change the inside drier of converter.

2. The utility model discloses a positional relation between screw thread spliced pole and the screw hole to and the structural design between threaded rod and the screw thread spliced pole, can make things convenient for the staff to link together last casing and PMKD, structural design between rethread fan and the ventilation hole can make the fan can also ventilate the inner chamber of last casing when carrying out the radiating to the converter, thereby reach damp-proofing effect, make this converter that dampproofing is effectual reach damp-proofing purpose.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a front schematic sectional view of the present invention;

FIG. 3 is a schematic side view of the sliding box of the present invention;

FIG. 4 is a front sectional view of the sliding box of the present invention;

fig. 5 is a schematic view of the overlooking surface structure of the fixing bottom plate of the present invention.

In the figure: 1. an upper housing; 2. fixing the bottom plate; 3. a vent; 4. a slide cassette; 5. a bump; 6. a first slider; 7. a sliding plate; 8. a second slider; 9. an opening; 10. a threaded connection post; 11. a fan; 12. a frequency converter; 13. a threaded rod; 14. grooving; 15. a chute; 16. screening a screen; 17. a threaded bore.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model is shown in figures 1-5, a frequency converter with good moisture-proof effect, which comprises an upper shell 1, wherein the centers of the left and right sides of the shell body of the upper shell 1 are both provided with a slot 14, the left and right sides of the shell body of the upper shell 1 are both provided with a chute 15 at the positions of the top and the bottom of the slot 14, the inner cavity of the chute 15 is slidably connected with a second slider 8, one side of the second slider 8 far away from the chute 15 is fixedly connected with a sliding box 4, the top and the bottom of the box body of the sliding box 4 far away from the upper shell 1 are both provided with a slide rail, the inner cavity of the slide rail is slidably connected with a first slider 6, one side of the first slider 6 far away from the slide rail is fixedly connected with a sliding plate 7, the center of the plate body of the sliding plate 7 far away from the sliding box 4 is fixedly connected with a lug 5, the front and the, go up the central authorities at 1 front and back of casing and all seted up vent 3, go up the central fixedly connected with converter 12 at 1 inner chamber top of casing, go up the front at 1 inner chamber top of casing and the equal fixedly connected with screw thread spliced pole 10 in the left and right sides at back, peg graft in the bottom of the 10 shafts of screw thread spliced pole has PMKD 2, the front and the equal fixedly connected with fan 11 in the back of 2 inner chamber bottoms of PMKD, the equal threaded connection in the left and right sides of 2 front and backs of PMKD has threaded rod 13.

Threaded holes 17 are formed in the front face of the bottom of the plate body of the fixing bottom plate 2 and the left side and the right side of the back of the plate body, the threaded holes 17 are located in the bottom of the threaded connecting column 10, and the threaded rod 13 can be inserted into the threaded connecting column 10 accurately through the threaded holes 17 beneficially.

The threaded rod 13 penetrates through the inner cavity of the threaded hole 17, and the rod body at the top of the threaded rod 13 is in threaded connection with the column body of the threaded connecting column 10, so that the design is beneficial to connecting the upper shell 1 and the fixed bottom plate 2 together through the threaded rod 13.

The length of the side surface of the sliding box 4 is the same as that of the side surface of the slot 14, the inner cavity of the sliding box 4 is filled with the desiccant, and the design is beneficial to the fact that the desiccant in the sliding box 4 can be fully contacted with the air in the upper shell 1, and therefore the moisture-proof effect is achieved.

2 board body tops of PMKD and the top that is located fan 11 have seted up the circular slot, and the diameter of this circular slot overlooking face is the same with the diameter of fan 11 overlooking face, and this design is favorable to can dispel the heat to converter 12 of fan 11.

The mesh size of the side of the screen 16 is matched to the size of the front of the desiccant, which is beneficial to prevent the desiccant from leaking out of the screen 16.

When the utility model is used, the fixed bottom plate 2 is firstly placed at the bottom of the upper shell 1, the threaded connecting column 10 in the upper shell 1 and the threaded hole 17 on the fixed bottom plate 2 are in the same straight line, the threaded rod 13 passes through the threaded hole 17 and is inserted into the threaded connecting column 10, the threaded rod 13 is rotated to lead the upper shell 1 and the fixed bottom plate 2 to be connected together in a threaded manner, the sliding box 4 is pushed to slide the sliding box 4 out of the slot 14, the sliding box 4 is separated from the upper shell 1, the lug 5 on the sliding box 4 is pushed to lead the sliding plate 7 to move from the front to the back of the sliding box 4, at the moment, a worker puts a new drying agent into the sliding box 4, the sliding plate 7 is slid to the original position to seal the drying agent in the sliding box 4, the sliding box 4 is slidably connected to the left side and the right side of the upper shell 1, one side of the sliding box 4 provided with the opening 9 is, and meanwhile, the fan 11 is started to enable the fan 11 to start working, so that the frequency converter with good moisture-proof effect not only achieves the moisture-proof effect, but also is convenient for workers to replace drying agents.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a converter that dampproofing is effectual, includes casing (1), its characterized in that: the middle of the left side and the right side of the shell body of the upper shell (1) is provided with a slot (14), the left side and the right side of the shell body of the upper shell (1) are provided with a sliding groove (15) at the positions of the top and the bottom of the slot (14), the inner cavity of the sliding groove (15) is connected with a second sliding block (8) in a sliding way, one side of the second sliding block (8) far away from the sliding groove (15) is fixedly connected with a sliding box (4), the top and the bottom of one side of the sliding box (4) far away from the upper shell (1) are provided with sliding rails, the inner cavity of the sliding rail is connected with a first sliding block (6) in a sliding way, one side of the first sliding block (6) far away from the sliding rails is fixedly connected with a sliding plate (7), the middle of one side of the plate body of the sliding plate (7) far away from the sliding box (4) is fixedly connected with a, the utility model discloses a fan, including last casing (1), the inner chamber fixedly connected with screen cloth (16) of opening (9), go up casing (1) openly all seted up vent (3) with the central authorities at back, go up central fixedly connected with converter (12) at casing (1) inner chamber top, go up the front at casing (1) inner chamber top and the equal fixedly connected with screw thread spliced pole (10) in the left and right sides at back, peg graft in the bottom of screw thread spliced pole (10) shaft and have PMKD (2), the front and the equal fixedly connected with fan (11) in back of PMKD (2) inner chamber bottom, PMKD (2) bottom openly has threaded rod (13) with the equal threaded connection in the left and right sides at back.

2. The frequency converter with good moisture-proof effect as claimed in claim 1, wherein: the left and right sides of PMKD (2) board body bottom front and back all seted up screw hole (17), screw hole (17) are located the bottom of screw thread spliced pole (10).

3. The frequency converter with good moisture-proof effect as claimed in claim 2, wherein: the threaded rod (13) penetrates through the inner cavity of the threaded hole (17), and the rod body at the top of the threaded rod (13) is in threaded connection with the inside of the column body of the threaded connecting column (10).

4. The frequency converter with good moisture-proof effect as claimed in claim 1, wherein: the length of the side face of the sliding box (4) is the same as that of the side face of the slot (14), and a drying agent is filled in the inner cavity of the sliding box (4).

5. The frequency converter with good moisture-proof effect as claimed in claim 1, wherein: the top of the plate body of the fixed bottom plate (2) and the top of the fan (11) are provided with circular grooves, and the diameters of the downward-looking surfaces of the circular grooves are the same as those of the downward-looking surfaces of the fan (11).

6. The frequency converter with good moisture-proof effect as claimed in claim 1, wherein: the mesh size of the side surface of the screen (16) is matched with the size of the front surface of the desiccant.