CN215070570U

CN215070570U - Expansion module structure and frequency converter

Info

Publication number: CN215070570U
Application number: CN202022840289.1U
Authority: CN
Inventors: 姜华; 涂涌波; 孙再勇
Original assignee: Shenzhen Hpmont Technology Co Ltd
Current assignee: Shenzhen Hpmont Technology Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-12-07
Anticipated expiration: 2030-11-30

Abstract

The utility model provides an extension modular structure and converter, extension modular structure is including relative top surface and the bottom surface that sets up, the top surface is the non-horizontal plane and including being the first plane and the second plane of echelonment, extension modular structure includes the buckle, first boss, the second boss, wherein, the buckle sets up on first plane, first boss and second boss are near each other and set up on the second plane jointly, the bottom surface is the horizontal plane, be provided with the shell fragment hole on the bottom surface, utilize buckle and shell fragment hole to realize fastening extension modular structure. The utility model provides a technical scheme can realize that quick installation is fixed, improves assembly efficiency.

Description

Expansion module structure and frequency converter

Technical Field

The utility model relates to an emergency power supply field especially relates to an extension module structure and converter.

Background

At present, a frequency converter is a control device for smoothly controlling the speed and the torque of an alternating current motor by changing the frequency and the amplitude of the working voltage of the alternating current motor by applying a frequency conversion driving technology, and the function of a standard frequency converter cannot meet the application of equipment in a specific occasion along with the development of science and technology and the improvement of social requirements. In order to make the frequency converter function more and more widely used, an extension module is usually added to the frequency converter.

The common sheet metal shell of extension modular structure among the converter in the existing market, this kind of sheet metal shell need bend the shaping, and the process is complicated, and manufacturing cost is higher, and this kind of sheet metal shell still need adopt the fix with screw moreover, because the great and cost of labor of the great size error of fix with screw is higher, and this assembly efficiency that has just led to extension modular structure is lower. Therefore, how to reduce the labor cost and improve the assembly efficiency has been a great need in the industry.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an extension module structure and converter can reduce the manual production cost and realize that quick installation is fixed, improves assembly efficiency.

The utility model provides an extension modular structure, this extension modular structure include relative top surface and the bottom surface that sets up, the top surface is the non-horizontal plane and including the first plane and the second plane that are the echelonment, extension modular structure includes buckle, first boss, second boss, wherein, the buckle sets up on the first plane, first boss with the second boss is near and sets up jointly each other on the second plane, the bottom surface is the horizontal plane be provided with the shell fragment hole on the bottom surface.

Preferably, the housing of the expansion module structure is a plastic housing, and the expansion module structure is in a hexahedral structure.

Preferably, the expansion module structure includes a left side surface and a right side surface which are oppositely arranged, two first guide grooves which are parallel to each other are arranged on the left side surface, two second guide grooves which are parallel to each other are arranged on the right side surface and correspond to the two first guide grooves respectively, the two second guide grooves are close to the top surface and the bottom surface respectively, and the two first guide grooves are close to the top surface and the bottom surface respectively.

Preferably, the inner space of the expansion module structure is provided with a plurality of PCB boards, the expansion module structure comprises a front surface and a back surface which are oppositely arranged, the front surface is provided with a plastic knocking hole, and the aperture size of the plastic knocking hole is matched with the width of the PCB boards.

Preferably, the PCB is provided with an elastic sheet, the bottom surface is provided with two elastic sheet holes opposite in position, the two elastic sheet holes are respectively close to the two opposite side edges of the bottom surface, the elastic sheet holes are square, the elastic sheet is in a diamond table shape, and the elastic sheet extends out of the elastic sheet holes by utilizing elastic energy to clamp the bottom surface.

Preferably, the first boss clings to the second plane and is in a long strip shape, and the second boss comprises two support legs and is suspended above the second surface through the supporting action of the two support legs.

Preferably, the buckle is tightly attached to the first plane and is in a triangular prism shape, the top surface further comprises an inclined surface connecting the first plane and the second plane, the second boss further comprises a horizontal portion and an inclined portion, the horizontal portion is connected with the two support legs, the horizontal portion is parallel to the second plane, and the inclined portion is connected to the first plane along the inclined surface.

On the other hand, the utility model also provides a frequency converter, this frequency converter include control module structure and above-mentioned arbitrary extension modular structure, wherein, control module structure's inner space with extension modular structure's whole size is identical, control module structure includes the buckle groove, the size in buckle groove with the size of buckle is identical.

Preferably, the control module structure comprises a clamping groove for clamping the bottom surface of the expansion module structure.

Preferably, the control module structure still includes guide rail and metal sheet, the guide rail sets up the inside wall of the inner space of control module structure, the guide rail with guide slot phase-match on the side of extension modular structure, shell fragment on the PCB board is wearing out behind the shell fragment hole with the metal sheet contact.

The utility model provides a technical scheme has following advantage: through design buckle and shell fragment hole in extension modular structure, utilize buckle and shell fragment hole respective effect can realize fastening around extension modular structure, and fasten fast, design two guide slots that are parallel to each other respectively at the left surface and the right flank of extension modular structure simultaneously, the effect of utilizing two guide slots can realize fastening and controlling the fastening from top to bottom extension modular structure, and then further improve the effect of fastening, the process of whole assembly has reduced the work of a large amount of artifical participations, very big reduction the manpower manufacturing cost, and very big improvement assembly efficiency still.

Drawings

Fig. 1 is a schematic perspective view of an extended module structure 10 at a first viewing angle according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of the expansion module structure 10 in a second viewing angle, which is turned over according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of two control module structures 20 arranged side by side at a third viewing angle according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram illustrating the separation effect of two control module structures 20 and two expansion module structures 10 before assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram illustrating an assembly effect of two control module structures 20 and two expansion module structures 10 assembled together to form a frequency converter according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following will describe the structure of the expansion module and the frequency converter provided by the present invention in detail.

Fig. 1 is a schematic perspective view of an extended module structure 10 according to an embodiment of the present invention at a first viewing angle.

In the present embodiment, the expansion module structure 10 is a hexahedral structure, and includes a top surface and a bottom surface that are oppositely disposed, a left side surface and a right side surface that are oppositely disposed, and a front surface and a back surface that are oppositely disposed, wherein the top surface is a non-horizontal surface and includes a first plane and a second plane that are stepped, five other surfaces of the expansion module structure 10 except the top surface are horizontal surfaces, and two adjacent surfaces in the hexahedral structure are perpendicular to each other to form a substantially rectangular parallelepiped structure.

In this embodiment, the expansion module structure 10 includes a buckle 1, a first boss 2, and a second boss 3, wherein the buckle 1 is disposed on a first plane, the first boss 2 and the second boss 3 abut against each other and are disposed on a second plane, a bottom surface is a horizontal plane, a spring sheet hole 8 is disposed on the bottom surface, and the expansion module structure 10 is fastened by using respective functions of the buckle 1 and the spring sheet hole 8.

In this embodiment, extension modular structure 10's shell is plastic casing, the utility model discloses a plastic casing adopts the injection moulding mode as extension modular structure 10's shell, and small cost is lower relatively, thereby makes the utility model has the advantages of the design is small and the design cost is low.

In this embodiment, the expansion module structure 10 includes a left side surface and a right side surface which are oppositely arranged, two first guide grooves 5 which are parallel to each other are arranged on the left side surface, two second guide grooves 4 which are parallel to each other are arranged on the right side surface and respectively correspond to the two first guide grooves 5, the two second guide grooves 4 are respectively close to the top surface and the bottom surface, the two first guide grooves 5 are respectively close to the top surface and the bottom surface, wherein the two second guide grooves 4 are parallel to each other and are both linear, and the two first guide grooves 5 are parallel to each other and are both linear.

In the present embodiment, the internal space of the expansion module structure 10 is provided with a plurality of PCB boards.

In this embodiment, extension modular structure 10 is provided with the plastic on the front and knockdown hole 6 including relative front and the back that sets up, and the plastic is knocked down the aperture size in hole 6 and is identical with the width of a plurality of PCB boards, the utility model discloses utilize the plastic to knock down the installation that hole 6 can compatible different model PCB boards to extension modular structure 10's compatibility and variety have been realized.

Please refer to fig. 2, which is a schematic perspective view of the expansion module structure 10 in a second viewing angle according to an embodiment of the present invention.

In this embodiment, the PCB board in the internal space of the expansion module structure 10 is provided with a spring 7, and the bottom surface of the expansion module structure is provided with two spring holes 8 opposite to each other, and the two spring holes 8 are respectively close to two opposite sides of the bottom surface.

In the present embodiment, the spring piece hole 8 is square, the spring piece 7 is rhomboid, and the spring piece 7 extends from the spring piece hole 8 by using elastic energy to clamp the bottom surface. Wherein, the shrapnel 7 is a PE metal shrapnel, and the shrapnel hole 8 is a PE metal shrapnel hole.

Referring to fig. 1, the first protrusion 2 is adhered to the second plane and has a long bar shape, and the second protrusion 3 includes two legs, and the second protrusion 3 is suspended above the second surface by the supporting effect of the two legs.

In this embodiment, the buckle 1 is tightly attached to the first plane and has a triangular prism shape, the top surface further includes an inclined surface connecting the first plane and the second plane, the second boss 3 further includes a horizontal portion and an inclined portion, the horizontal portion is connected with the two support legs, the horizontal portion is parallel to the second plane, and the inclined portion is connected to the first plane along the inclined surface.

Fig. 3 is a schematic perspective view of two control module structures 20 arranged side by side at a third viewing angle according to an embodiment of the present invention.

In the present embodiment, the frequency converter includes the control module structure 20 and the above-mentioned expansion module structure 10, wherein the internal space of the control module structure 20 is matched with the overall size of the expansion module structure 10.

In the present embodiment, the control module structure 20 includes a clamping groove 21, and the clamping groove 21 is used for clamping the bottom surface of the expansion module structure 10. In this embodiment, insert control module structure 20 inner space's of converter draw-in groove 21 with extension modular structure 10 and can realize quick installation, and the dismouting is also convenient, as shown in fig. 4 and fig. 5, fig. 4 does the utility model discloses an embodiment in with two control module structure 20 and two separation effect structure sketch map before the assembly of extension modular structure 10, fig. 5 does the utility model discloses an embodiment in with two control module structure 20 and two extension modular structure 10 assembly together form the assembly effect structure sketch map of converter, first boss 2 and second boss 3 in each extension modular structure 10 respectively with two crossbeam chucking that are parallel to each other at the top of corresponding control module structure 20, the clearance distance between first boss 2 and the second boss 3 is not more than the distance between two crossbeams, utilize the chucking between boss and the crossbeam to ensure control module structure 20 and the fastening performance of corresponding extension modular structure 10.

In the present embodiment, the control module structure 20 further includes a latch groove 22, and the size of the latch groove 22 matches with the size of the latch 1. The utility model discloses utilize buckle 1 to be detained in buckle groove 22, can realize controlling module structure 20 fixed around.

In this embodiment, the control module structure 20 further comprises a guide rail 23, the guide rail 23 being arranged on an inner side wall of the inner space of the control module structure 20, the guide rail 23 matching a guide groove on a side of the expansion module structure 10. The utility model discloses utilize mutually supporting of guide rail 23 and the guide slot on the side can realize extension modular structure 10 fixed about with fixed, simultaneously, utilize mutually supporting of guide rail 23 and the guide slot on the side still can realize the drawer type installation, convenient and fast, very big improvement assembly efficiency not only, adopt buckle 1+ guide rail 23 fixed mode to replace traditional fix with screw mode, assembly process is simple and assembly efficiency is high.

In this embodiment, the control module structure 20 further includes a metal plate 24, and the spring 7 on the PCB contacts the metal plate 24 after penetrating through the spring hole 8. In the present embodiment, the metal plate 24 is a PE metal plate, and the ground protection of the expansion module structure 10 can be realized by contacting the elastic sheet 7 with the metal plate 24. In this embodiment, when the expansion module structure 10 is disassembled, the second boss 3 of the top cantilever is only pressed by a finger, the buckle 1 can be separated from the buckle groove 22 of the control module structure 20, and the first boss 2 is pressed and pulled in the opposite direction to the insertion direction of the expansion module structure 10, so that the expansion module structure 10 can be quickly disassembled.

The utility model provides a technical scheme has following advantage: through design buckle 1 and shell fragment hole 8 in extension modular structure 10, utilize buckle 1 and shell fragment hole 8 respective effect can realize fastening around extension modular structure 10, and fasten fast, simultaneously at the left surface and the right flank of extension modular structure 10 design two guide slots that are parallel to each other respectively, the effect of utilizing two guide slots can realize fastening about and fastening about extension modular structure 10, and then further improve the effect of fastening, the process of whole assembly has reduced the work of a large amount of artifical participation, very big reduction manpower manufacturing cost, and very big improvement assembly efficiency still.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The expansion module structure is characterized by comprising a top surface and a bottom surface which are oppositely arranged, wherein the top surface is a non-horizontal plane and comprises a first plane and a second plane which are in a step shape, the expansion module structure comprises a buckle, a first boss and a second boss, the buckle is arranged on the first plane, the first boss and the second boss are mutually abutted and jointly arranged on the second plane, the bottom surface is a horizontal plane, and an elastic piece hole is formed in the bottom surface.

2. The expansion module structure according to claim 1, wherein the housing of the expansion module structure is a plastic housing, and the expansion module structure has a hexahedral structure.

3. The expansion module structure according to claim 2, wherein the expansion module structure comprises a left side surface and a right side surface which are oppositely arranged, wherein two first guide grooves which are parallel to each other are arranged on the left side surface, two second guide grooves which are parallel to each other are arranged on the right side surface and correspond to the two first guide grooves respectively, the two second guide grooves are close to the top surface and the bottom surface respectively, and the two first guide grooves are close to the top surface and the bottom surface respectively.

4. The structure of claim 2, wherein the internal space of the expansion module structure is provided with a plurality of PCB boards, the expansion module structure comprises a front surface and a back surface which are oppositely arranged, the front surface is provided with a plastic knockout hole, and the diameter of the plastic knockout hole is matched with the widths of the plurality of PCB boards.

5. The expansion module structure of claim 4, wherein the PCB is provided with a spring plate, the bottom surface is provided with two spring plate holes opposite to each other, the two spring plate holes are respectively close to two opposite side edges of the bottom surface, the spring plate holes are square, the spring plate is rhomboid, and the spring plate can extend out of the spring plate holes by using elastic energy to clamp the bottom surface.

6. An expansion module structure as claimed in claim 1, wherein said first boss is elongated and closely attached to said second plane, and said second boss includes two legs and is suspended above said second plane by the support of said two legs.

7. The expansion module structure of claim 6, wherein said clip abuts said first plane and is triangular prism shaped, said top surface further comprises an inclined surface connecting said first plane and said second plane, said second boss further comprises a horizontal portion connected to both of said two legs, said horizontal portion being parallel to said second plane, and an inclined portion connected to said first plane along said inclined surface.

8. A frequency converter, characterized in that, the frequency converter includes control module structure and the extension module structure of claim 4 or 5, wherein, the inner space of the control module structure is identical with the whole size of the extension module structure, the control module structure includes the buckle groove, the size of the buckle groove is identical with the size of the buckle.

9. The frequency converter according to claim 8, wherein said control module structure comprises a snap groove for snapping said bottom surface of said expansion module structure.

10. The frequency converter according to claim 8, wherein the control module structure further comprises a guide rail and a metal plate, the guide rail is disposed on an inner sidewall of the internal space of the control module structure, the guide rail is matched with the guide groove on the side surface of the expansion module structure, and the spring sheet on the PCB is in contact with the metal plate after penetrating through the spring sheet hole.