CN219575360U - Electronic transformer - Google Patents

Abstract

The utility model discloses an electronic transformer which comprises a shell, wherein an iron core is fixedly connected in the shell, a second winding is wound on the upper end of the iron core, a first winding is wound on the lower end of the iron core, two second connecting columns are fixedly connected to the upper side wall of the shell, two first connecting columns are fixedly connected to the lower side wall of the shell, two ends of the second winding are respectively and fixedly connected to the two second connecting columns, conductive heads are respectively and fixedly connected to two ends of the first winding, and the two conductive heads are respectively collinear with the central axes of the two first connecting columns. The utility model has reasonable design and ingenious conception, and by arranging the electromagnet, the sliding plate, the iron block, the conductive head and other parts to be mutually matched, the first connecting column is not required to be directly separated from the clamping connection of the electric connection port of the external electric equipment when the first connecting column is disconnected with the external electric equipment, and the electric connection port of the electric equipment can be effectively protected.

Description

Electronic transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an electronic transformer.

Background

The traction substation of the electrified railway converts three-phase high-voltage alternating current into two single-phase alternating current, then transmits power to a railway contact net, supplies power for traction, and a voltage transformer in the substation is a sensor for acquiring voltage information of an electric primary loop by secondary equipment and is mainly used for supplying power to a measuring instrument and a relay protection device.

For example, chinese patent publication No. CN217689132U discloses an electronic voltage transformer, which includes a case, an iron core, and an opening and closing mechanism; an iron core is fixed on the inner side of the shell through a connecting plate, a primary winding is wound on the upper end of the iron core, a secondary winding is wound on the bottom end of the iron core, two through holes are formed in the upper side of the shell, fixed connecting columns are respectively arranged in the through holes, and two ends of the primary winding are respectively correspondingly arranged in the fixed connecting columns; the opening and breaking mechanism comprises an electric push rod, a lifting plate, a movable connecting column and a sliding groove, wherein the bottom side of the inner cavity of the shell is provided with two electric push rods which are bilaterally symmetrical, the lifting plate is fixed at the telescopic end of the electric push rod, the bottom side of the shell is provided with two sliding grooves which are bilaterally symmetrical, and the electronic voltage transformer can automatically realize opening and breaking by arranging the opening and breaking mechanism, so that the trouble of manual operation is avoided, the labor cost is saved, and the safety is higher

In the scheme, the two electric push rods drive the connecting columns to move to control the voltage transformer to break, because the connecting columns are clamped with the electric ports of external electric equipment, and if the electric push rods drive the connecting columns from time to time, the electric ports of the external electric equipment are easily damaged when the electric push rods are directly clamped from the electric ports.

Disclosure of Invention

The utility model provides an electronic transformer for solving the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an electronic transformer, includes the casing, fixedly connected with iron core in the casing, the winding of iron core upper end has the second winding, the winding of iron core lower extreme has first winding, the last lateral wall fixedly connected with two second spliced poles of casing, the lower lateral wall fixedly connected with two first spliced poles of casing, the both ends of second winding are fixedly connected with respectively on two second spliced poles, the equal fixedly connected with of both ends of first winding leads, two lead respectively with the central axis collineation of two first spliced poles, be connected with the sliding plate through elastic reset device on the inside bottom lateral wall of casing, two lead equal fixedly connected with of lead on the lateral wall of sliding plate, fixedly connected with iron plate on the lateral wall of sliding plate, fixedly connected with electro-magnet on the inside bottom lateral wall of casing, the iron plate is located one side of electro-magnet.

As a further improvement scheme of the technical scheme: the elastic resetting device comprises two fixing rods, wherein the two fixing rods are fixedly connected to the inner bottom side wall of the shell, the two fixing rods penetrate through the two end side walls of the sliding plate respectively, one end of each fixing rod is fixedly connected with a baffle, each fixing rod is sleeved with a resetting spring, and two ends of each resetting spring are fixedly connected to the sliding plate and the inner bottom side wall of the shell respectively.

As a further improvement scheme of the technical scheme: the first winding is provided with a current sensor, the inner side wall of the shell is fixedly connected with a central controller, and the current sensor and the electromagnet are electrically connected with the central controller.

As a further improvement scheme of the technical scheme: the central controller adopts an MSP430 singlechip.

As a further improvement scheme of the technical scheme: the shell is a casting body formed by casting high-low voltage insulating materials at one time.

As a further improvement scheme of the technical scheme: the high-low voltage insulating material is epoxy resin.

As a further improvement scheme of the technical scheme: the conductive head is made of copper material.

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

the device reasonable in design, the design is ingenious, through setting up parts such as electro-magnet, sliding plate, iron plate, conducting head mutually support for when first spliced pole and outside consumer circuit break, need not to break away from in the direct electric connection mouth joint from outside consumer, can effectively protect the electric connection mouth of consumer.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

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

fig. 1 is a schematic diagram of a front cross-sectional structure of an electronic transformer in a normal state according to the present utility model;

fig. 2 is a schematic diagram of a front cross-sectional structure of an electronic transformer in an open circuit state according to the present utility model;

fig. 3 is a schematic view of a partial enlarged structure of a in fig. 1.

In the drawings, the list of components represented by the various numbers is as follows:

1. a housing; 2. a return spring; 3. a first connection post; 4. a first winding; 5. an electromagnet; 6. iron blocks; 7. a conductive head; 8. a current sensor; 9. a sliding plate; 10. an iron core; 11. a baffle; 12. a second connection post; 13. a second winding; 14. a central controller; 15. and a fixing rod.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, in an embodiment of the utility model, an electronic transformer includes a housing 1, the housing 1 is a casting body formed by casting high-low voltage insulation materials at one time, the high-low voltage insulation materials are epoxy resin, an iron core 10 is fixedly connected in the housing 1, a second winding 13 is wound on the upper end of the iron core 10, a first winding 4 is wound on the lower end of the iron core 10, two second connecting posts 12 are fixedly connected to the upper side wall of the housing 1, two first connecting posts 3 are fixedly connected to the lower side wall of the housing 1, two ends of the second winding 13 are respectively and fixedly connected to the two second connecting posts 12, two conductive heads 7 made of copper are respectively and collinearly with central axes of the two first connecting posts 3, a sliding plate 9 is connected to the inner bottom side wall of the housing 1 through an elastic reset device, two conductive heads 7 are fixedly connected to the side wall of the sliding plate 9, an iron block 6 is fixedly connected to the side wall of the sliding plate 9, an electromagnet 5 is fixedly connected to the inner bottom side wall of the housing 1, and the iron block 6 is located beside the electromagnet 5.

Specifically, the elastic reset device includes two dead levers 15, two dead levers 15 are all fixed connection on the inside bottom lateral wall of casing 1, two dead levers 15 run through the both ends lateral wall of sliding plate 9 respectively, the one end fixedly connected with baffle 11 of every dead lever 15, the cover is equipped with reset spring 2 on every dead lever 15, the both ends of reset spring 2 are fixed connection respectively on the inside bottom lateral wall of sliding plate 9 and casing 1, under the normal condition, electro-magnet 5 is in the open condition, electro-magnet 5 produces magnetic attraction, can adsorb the iron plate 6 of sliding plate 9 upside on the lateral wall of electro-magnet 5, reset spring 2 is in compression condition this moment, when electro-magnet 5 is closed, iron plate 6 on the sliding plate 9 loses electro-magnet 5's magnetic attraction this moment, sliding plate 9 can drive the one end that electric current conducting head 7 left two first spliced pole 3 under the elasticity when reset spring 2 stretches, make first spliced pole 3 be the open circuit condition.

Specifically, a current sensor 8 is arranged on the first winding 4, a central controller 14 is fixedly connected to the inner side wall of the shell 1, the current sensor 8 and the electromagnet 5 are electrically connected with the central controller 14, the central controller 14 adopts an MSP430 singlechip, the current sensor 8 can detect the current of the first winding 4, and when the central controller 14 detects that the current of the first winding 4 is overlarge through the current sensor 8, the central controller 14 can control the electromagnet 5 to be closed.

The working principle of the utility model is as follows:

under the normal state, the electromagnet 5 is in an on state, the electromagnet 5 generates magnetic attraction force, the iron block 6 on the upper side of the sliding plate 9 can be adsorbed on the side wall of the electromagnet 5, at the moment, the two conducting heads 7 on the sliding plate 9 are abutted with the first connecting column 3, so that the first connecting column 3 is connected with external electric equipment for supplying power;

the current sensor 8 can detect the current of the first winding 4, when the central controller 14 detects that the current of the first winding 4 is overlarge through the current sensor 8, the central controller 14 can control the electromagnet 5 to be closed, at the moment, the iron block 6 on the sliding plate 9 loses the magnetic attraction of the electromagnet 5, the sliding plate 9 can drive the conductive head 7 to leave one ends of the two first connecting columns 3 under the elastic force of the extension of the reset spring 2, so that the first connecting columns 3 are in an open circuit state, and at the moment, the first connecting columns 3 are still clamped with the electric connection ports of external electric equipment without separation, and the electric connection ports of the first connecting columns 3 and the external electric equipment can be effectively protected.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims (7)

1. The utility model provides an electronic transformer, includes casing (1), its characterized in that, fixedly connected with iron core (10) in casing (1), iron core (10) upper end winding has second winding (13), iron core (10) lower extreme winding has first winding (4), the last lateral wall fixedly connected with two second spliced poles (12) of casing (1), the lower lateral wall fixedly connected with two first spliced poles (3) of casing (1), the both ends of second winding (13) are fixedly connected with respectively on two second spliced poles (12), the equal fixedly connected with of both ends of first winding (4) electrically conductive head (7), two electrically conductive head (7) respectively with the central axis collineation of two first spliced poles (3), be connected with sliding plate (9) on the inside bottom lateral wall of casing (1) through elastic reset device, two electrically conductive head (7) are all fixedly connected with on the lateral wall of sliding plate (9), fixedly connected with iron block (6) on the lateral wall of sliding plate (9), electromagnet (5) are located one side of electromagnet (5) fixedly connected with.

2. An electronic transformer according to claim 1, characterized in that the elastic resetting means comprises two fixing rods (15), the two fixing rods (15) are fixedly connected to the inner bottom side wall of the shell (1), the two fixing rods (15) respectively penetrate through the two end side walls of the sliding plate (9), one end of each fixing rod (15) is fixedly connected with a baffle plate (11), a resetting spring (2) is sleeved on each fixing rod (15), and two ends of the resetting spring (2) are respectively fixedly connected to the sliding plate (9) and the inner bottom side wall of the shell (1).

3. An electronic transformer according to claim 1, wherein the first winding (4) is provided with a current sensor (8), a central controller (14) is fixedly connected to the inner side wall of the housing (1), and the current sensor (8) and the electromagnet (5) are electrically connected with the central controller (14).

4. An electronic transformer according to claim 3, wherein the central controller (14) employs an MSP430 single-chip microcomputer.

5. An electronic transformer according to claim 1, characterized in that the housing (1) is a casting body of high and low voltage insulating material formed by one casting.

6. The electronic transformer of claim 5, wherein the high and low voltage insulating material is epoxy.

7. An electronic transformer according to claim 1, characterized in that the conductive head (7) is made of copper material.