CN213071474U - Transformer-free single-phase variable frequency motor driving device - Google Patents

Abstract

The utility model discloses a single-phase variable frequency motor drive arrangement of no transformer, including single-phase variable frequency power supply body, single-phase variable frequency power supply body contains one side and bottom, single-phase variable frequency power supply body contains socket and support column, one side of single-phase variable frequency power supply body sets up the socket, and the bottom of single-phase variable frequency power supply body and the position evenly distributed who is close to the outside circumference have a quantity to be 4 support columns, and this single-phase variable frequency motor drive arrangement of no transformer still includes spacing post, supporting disk, steel ball mechanism, cassette, cardboard post and limiting plate. The utility model discloses single-phase variable frequency power supply body is when using, and the mode that user's optional used is more diversified on the one hand, can the convenience of customers use as required selectivity, and on the other hand reaches according to the rotatory result of use of following the direction connection for the power cord direction of motor power supply with socket electric connection to and reach and assist spacing result of use to the power cord.

Description

Transformer-free single-phase variable frequency motor driving device

Technical Field

The utility model relates to a no transformer single-phase frequency conversion bridge type drive arrangement.

Background

In the prior art, when the motor is driven by the single-phase variable frequency power supply, the main circuit of the single-phase variable frequency power supply in the prior art adopts an alternating-direct-alternating voltage type variable frequency circuit, so that the motor can be powered without adopting an additional transformer. For example, refer to a single-phase variable frequency power supply with a brand name of jiake and a model number of JKDYB-45KVA, as shown in fig. 1, the single-phase variable frequency power supply includes a single-phase variable frequency power supply body 1, the single-phase variable frequency power supply body includes a socket 2, in the prior art, when the single-phase variable frequency power supply body 1 is used, on one hand, a user selectable use mode is single, and the single-phase variable frequency power supply body cannot be used selectively as required by a user, and on the other hand, a use effect of rotating along with a guiding connection according to a power line direction electrically connected with the socket 2 and used for supplying power to a motor. Therefore, a single-phase variable-frequency bridge driving device without a transformer is urgently needed to solve the problem in the prior art.

In order to solve the technical problems, a new technical scheme is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single-phase variable frequency motor drive arrangement of no transformer 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: a single-phase variable frequency motor driving device without a transformer comprises a single-phase variable frequency power supply body, wherein the single-phase variable frequency power supply body comprises one side and a bottom, the single-phase variable frequency power supply body comprises a socket and supporting columns, the socket is arranged on one side of the single-phase variable frequency power supply body, the 4 supporting columns are uniformly distributed at the bottom of the single-phase variable frequency power supply body and close to the position of the outer circumference, the single-phase variable frequency motor driving device without the transformer further comprises a limiting column, a supporting disk, a steel ball mechanism, a clamping seat, a clamping plate column and a limiting plate, the limiting column, the supporting disk and the steel ball mechanism are respectively positioned below the single-phase variable frequency power supply body, the top end of the limiting column is fixedly connected with the central position of the bottom of the single-phase variable frequency power supply body, an avoiding groove matched with the limiting column is arranged on the, the steel ball mechanism contains steel ball draw-in groove and steel ball, and the upper surface of supporting disk sets up the steel ball draw-in groove, the steel ball is rotatable to be connected with steel ball draw-in groove joint, one side of cassette fixed connection single phase variable frequency power supply body just is located the position of socket below, set up on the cassette and cardboard post matched with draw-in groove, the one end of cardboard post is passed through the draw-in groove and is connected with the cassette joint, the bottom side of limiting plate and the other end lateral part fixed connection of cardboard post, the top side of limiting plate sets up the ply-yarn drill groove that quantity is 2 at.

Preferably, the clamping plate column and the limiting plate are of an integrated structure.

Preferably, each edge of the limiting column, the supporting disc, the clamping seat, the clamping plate column and the limiting plate is provided with an arc transition.

Preferably, the horizontal height of the lower surface of the support plate is lower than the horizontal height of the bottom end surface of the support column.

Compared with the prior art, the beneficial effects of the utility model are that: when the single-phase variable frequency power supply body is used, the mode that the user can select to use is more diversified on the one hand, can convenience of customers uses as required selectivity, and on the other hand reaches according to the rotatory effect of following the direction connection with being used for the power cord direction of motor power supply with socket electric connection to and reach and assist spacing result of use to the power cord.

Drawings

Fig. 1 is a schematic structural diagram 1 of the present invention.

Fig. 2 is a schematic structural diagram 2 of the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a schematic structural view of fig. 3 when the clamping seat, the clamping plate column and the limiting plate are adopted.

Fig. 5 is a schematic sectional view a-a of fig. 4.

Fig. 6 is a schematic view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The object of the present invention is to solve the problems mentioned in the background art only, and the disclosure provides a principle which is only to solve the technical problems mentioned in the background art, therefore, a person skilled in the art should know that the technical solution of the present invention is disclosed to such an extent that the problems mentioned in the background art can be completely implemented. Therefore, if a person skilled in the art encounters new technical problems while implementing the present technical solution, the person skilled in the art should understand that the directional problem of secondary or tertiary development can be made on the basis of the present invention, and should not understand that the present invention is not fully disclosed or can not be implemented by newly proposing a problem, which all belong to the obvious ways known to the person skilled in the art. If the present invention describes the prior art section in the description of the specific embodiments, the prior art section is referred to, and the prior art section is not specifically described, it can be naturally understood as the prior art by the person skilled in the art.

And, this application needs to explain in advance that the utility model discloses on solving and realizing this basis and providing more a selection mode for the user, other technological effects that reach are only to belong to the benevolence person and see the benevolence, and the wisdom is seen to the wisdom notion, for example, if think that the technological effect that this application part described can not realize or reach, can understand that this can not realize or reach exaggerates beneficial effect and belongs to the mistake of writing part, can ignore or delete the processing, simultaneously, because this kind of condition belongs to the mistake of writing in advance has been explained here, when deleting, should not understand as the modification and go beyond the scope that the original description recorded.

Referring to the attached drawings of the specification, the utility model provides a technical scheme: a transformerless single-phase variable frequency motor driving device comprises a single-phase variable frequency power supply body 1, wherein the single-phase variable frequency power supply body 1 comprises one side and a bottom, the single-phase variable frequency power supply body 1 comprises a socket 2 and supporting columns 3, the socket 2 is arranged on one side of the single-phase variable frequency power supply body 1, the 4 supporting columns 3 are uniformly distributed at the bottom of the single-phase variable frequency power supply body 1 and close to the periphery of the outer side, the transformerless single-phase variable frequency motor driving device also comprises a limiting column 4, a supporting disk 5, a steel ball mechanism (not shown in the figure), a clamping seat 6, a clamping plate column 7 and a limiting plate 8, the lowest horizontal line height of the limiting column 4 is higher than that of the supporting columns 3, the limiting column 4, the supporting disk 5 and the steel ball mechanism are respectively positioned below the single-phase variable frequency power supply body, the upper surface of a supporting disk 5 is provided with an avoiding groove 9 matched with a limiting column 4, the upper surface of the supporting disk is uniformly distributed with a steel ball mechanism by taking the axial lead of the limiting column 4 as the center, the steel ball mechanism comprises a steel ball clamping groove 10 and a steel ball 11, the upper surface of the supporting disk 5 is provided with the steel ball clamping groove, the steel ball can be rotatably connected with the steel ball clamping groove in a clamping way, a clamping seat 6 is fixedly connected with one side of a single-phase variable frequency power supply body 1 and is positioned at the position below a socket 2, the clamping seat 6 is provided with a clamping groove matched with the clamping plate column 7, one end of the clamping plate column 7 is connected with the clamping seat 6 in a clamping way, the bottom side of a limiting plate 8 is fixedly connected with the side part of the other end of the clamping plate column 7, the top side of the limiting plate 8 is provided with at least 2 line clamping grooves 12, as, achieving the effect of this component as an accessory for selective use belongs to an extended embodiment known to those skilled in the art, and the utility model discloses based on the fact that there is no product but only has advantages, and there is no disadvantage, the utility model discloses only use to the specific environment in the background art, for example the scene that the background art mentioned, if the user considers the factor of inconvenient use in some circumstances, then in that circumstance it is not recommended to purchase this application for use, the product only aims at and recommends the user that needs to mention the scene in the background art and can accept and ignore other negative factors at the same time, and belongs to an embodiment known to those skilled in the art.

Preferably, the cardboard column 7 and the limiting plate 8 are of an integral structure, the corners of the limiting column 4, the supporting plate 5, the clamping seat 6, the cardboard column 7 and the limiting plate 8 are respectively provided with circular arc transitions, the horizontal line height of the lower surface of the supporting plate 5 is lower than that of the bottom end surface of the supporting column 3, meanwhile, the technical solution of the present invention is only an implementation manner of ideal state, such as horizontal or vertical or other, and in the existing industrial production process, some errors are inevitably generated, which are unavoidable in the industrial production, and are expected and known by those skilled in the art, which can be understood as the prior art, and in the description of the present invention, the description language or scheme adopted is only a best implementation manner with respect to the attached drawings, and when the person skilled in the art implements the technical solution of the present invention, the utility model discloses can select the concrete implementation mode in a flexible way on the scheme basis, all belong to the extension implementation mode that ordinary skilled in the art can know. And, the utility model discloses in some realization the mode preferred of the scheme of the utility model discloses although can realize a bit the utility model discloses technical scheme, nevertheless not the best, probably there is new problem even, this new problem, for example anyone according to the utility model provides a new technical problem that does not mention in this application background art, can all understand as can make the directionality problem of continuation research and development on the basis of the utility model discloses on stating that this directionality problem is not the technical problem that the utility model aims to solve's basis, the utility model discloses technical scheme should understand that ordinary technical personnel in this field can clearly implement the technical scheme of the utility model.

When in use, the parts of the present invention not specifically described can be understood as the prior art known by those skilled in the art, for example, the single-phase variable frequency power supply body 1 can be understood as the single-phase variable frequency power supply known by those skilled in the art, for example, the single-phase variable frequency power supply can be a single-phase variable frequency power supply with the model of JKDYB-45KVA, which belongs to the implementation manner known by those skilled in the art, the present invention adopts the position-limiting column 4, the supporting disk 5, the steel ball mechanism, the cassette seat 6, the card board column 7 and the position-limiting plate 8 on the basis of the prior art, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the position-limiting column 4, the supporting disk 5 and the steel ball mechanism are respectively located below the single-phase variable frequency power supply body 1, the top end of the position-limiting column 4 is, in this way, the single-phase variable frequency power supply can be placed normally as shown in fig. 1, the effect of avoiding interference to normal use of the single-phase variable frequency power supply body 1 is achieved, compared with the prior art, except that the structure of the support column 3 is provided, other components only exist as accessories, when the use of rotating following guiding connection is needed, as shown in fig. 2, the upper surface of the support plate 5 is provided with an avoiding groove 9 matched with the limiting column 4, the upper surface of the support plate is uniformly distributed with a steel ball mechanism by taking the axial lead of the limiting column 4 as the center, the steel ball mechanism comprises a steel ball clamping groove and steel balls, the upper surface of the support plate 5 is provided with the steel ball clamping groove, the steel balls are rotatably connected with the steel ball clamping groove in a clamping way, the clamping seat 6 is fixedly connected with one side of the single-phase variable frequency power supply body 1 and is positioned below the socket 2, the bottom side of the limiting plate 8 is fixedly connected with the side part of the other end of the clamping plate column 7, the top side of the limiting plate 8 is provided with at least 2 wire clamp grooves, when the single-phase variable frequency power supply body 1 is placed on a plane, the horizontal line height of the lower surface of the supporting plate 5 is lower than that of the bottom end surface of the supporting column 3, so that the rotatable use effect of the single-phase variable frequency power supply body 1 is achieved, the socket 2 and the circuit 13 on the single-phase variable frequency power supply body 1 and the plug which is electrically connected with the circuit plug 14 and used for supplying power to the motor can face to the same direction as much as possible, when the single-phase variable frequency power supply body 1 is used, on one hand, the selectable use mode of a user is more diversified, the user can use the socket selectively as required, on the other hand, the use effect of, and reach the result of use that assists spacing to the power cord.

And simultaneously, the utility model discloses model and/or size between each part should be understood as mutually matching and cooperation, all belong to the embodiment that the ordinary technical staff in this field can know, and, the utility model discloses the compactness of each part cooperation, ordinary technical staff in this field can know, all belong to the part that ordinary technical staff in this field can adopt the mode that ordinary technical staff in this field can know to implement as required among the prior art, and is concrete the utility model discloses on the basis of the scheme, the ordinary technical staff accessible in this field is in order to logical analysis and/or reason to mend the utility model discloses some inadequacies in the details make the utility model discloses technical scheme is more perfect and optimized. And, if the problem not addressed by the present invention is addressed, any means known to those skilled in the art can be used to solve the problem, all of which are embodiments known to those skilled in the art. For example, the present invention is also directed to protecting principles rather than specific data, and also in view of the fact that the size, data, etc. do not belong to the object protected by the utility model, and therefore do not describe in detail, and those skilled in the art can understand any implementation way known to those skilled in the art by combining with the prior art on the basis of the present invention, the present invention may have the defect mentioned in the background, and this defect may be the defect that the utility model has not been reached by the material of the people, but in doing a technical development, it is difficult to develop a technology without any defect, the solution of this defect can be understood as the prior art, and the utility model discloses a crowd only needs the environmental use mentioned in the background and can ignore this defect and continue to select the user to use. Based on this, what is claimed in the present application is only a part of the principle of the solution corresponding to the problem of the background art, and other parts, for example, how to implement the technical solution of the present application more optimally on the basis of the principle of the present application, obviously, the technical solution of the present application with clear description is not completely implemented through one development and one patent application, so the technical solution of the present application is only limited to the technical problem to be solved in the corresponding background art, and other parts can be completed in another development and patent application, or be continuously improved on the technology of the solution of the present application by other technical personnel in the art, and apply a patent to achieve the optimal using effect, all of which belong to the known ways in the art.

The design to be explained is: the control circuit involved in the present design is a conventional technique for controlling the operation of each component and the corresponding control program. The drawings are only for purposes of illustrating the principles of the invention that will be readily understood by those skilled in the art. Because of the limitation of the page size of the patent application document, in order to clearly show the principle, the proportional size between each component in the drawings may be inconsistent with the actual product, and it can be understood by those skilled in the art that, for example, the structural principle of a certain part in the drawings is highlighted, the part is intentionally drawn to be larger, and the other part appears to be smaller, so that the situation can be understood, and as can be understood by those skilled in the art, on the basis of the principle of the present invention, it is naturally possible to make each component smaller, more delicate and more practical on the basis of the present invention by using an industrial more reasonable design, and in the process of application, if a part of the description in the claims, the description and the drawings of the specification is deleted, the part of the description which is unclear is a part of the technical personnel in the field to understand and implement, that is, it is not understood in which range the unclear portion is described, and therefore, if it is considered that the modification beyond the range described in the original specification and the claims is obviously unreasonable without knowing which range, it should be simply understood that the unclear portion is deleted in the present application in order to overcome the existing defect, and the unclear portion is deleted without exceeding the range described in the original specification and the claims.

Moreover, the present invention can be implemented in any extended implementation known to those of ordinary skill in the art, all of which are within the scope of those of ordinary skill in the art, provided that the implementation of the present invention is in compliance with national laws and regulations and related safety precautions.

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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; and as will be appreciated by those skilled in the art, the benefits of the present invention are only better than those of the current embodiments of the prior art under certain circumstances, rather than being directed to the best use in the industry.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "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; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above 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 (4)

1. The utility model provides a single-phase variable frequency motor drive arrangement of no transformer, includes single-phase variable frequency power supply body, single-phase variable frequency power supply body contains one side and bottom, single-phase variable frequency power supply body contains socket and support column, one side of single-phase variable frequency power supply body sets up the socket, and the bottom of single-phase variable frequency power supply body and the position evenly distributed that is close to the outside circumference have a quantity to be 4 support columns, its characterized in that: the driving device of the transformerless single-phase variable frequency motor also comprises a limiting column, a supporting disk, a steel ball mechanism, a clamping seat, a clamping plate column and a limiting plate, wherein the limiting column, the supporting disk and the steel ball mechanism are respectively positioned below the single-phase variable frequency power supply body, the top end of the limiting column is fixedly connected with the central position of the bottom of the single-phase variable frequency power supply body, the upper surface of the supporting disk is provided with an avoiding groove matched with the limiting column, the steel ball mechanism is uniformly distributed on the upper surface of the supporting disk by taking the axial lead of the limiting column as the center, the steel ball mechanism comprises a steel ball clamping groove and a steel ball, the upper surface of the supporting disk is provided with the steel ball clamping groove, the steel ball can be rotatably connected with the steel ball clamping groove in a clamping way, the clamping seat is fixedly connected with one side of the single-, the bottom side of the limiting plate is fixedly connected with the side part of the other end of the clamping plate column, and the top side of the limiting plate is provided with at least 2 wire clamping grooves.

2. The transformerless single phase variable frequency motor drive of claim 1 wherein: the clamping plate column and the limiting plate are of an integrated structure.

3. The transformerless single phase variable frequency motor drive of claim 1 wherein: and arc transition is respectively arranged at each edge angle of the limiting column, the supporting disc, the clamping seat, the clamping plate column and the limiting plate.

4. The transformerless single phase variable frequency motor drive of claim 3 wherein: the horizontal line height of the lower surface of the supporting disc is lower than that of the bottom end surface of the supporting column.

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