CN211294792U

CN211294792U - High power density electronic transformer

Info

Publication number: CN211294792U
Application number: CN201922134013.9U
Authority: CN
Inventors: 罗辉
Original assignee: Qingliu Yike Electronic Science & Technology Co ltd
Current assignee: Qingliu Yike Electronic Science & Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-18
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a high power density electronic transformer, which comprises a transformer body and a shell, wherein four groups of shock absorption mounting feet are symmetrically and fixedly connected with the front side and the rear side of the lower end of the left side wall and the lower end of the right side wall of the shell; first springs are symmetrically and fixedly connected to the lower ends of the four side walls of the inner cavity of the shell, extrusion plates are fixedly connected to the ends, far away from the side walls of the inner cavity of the shell, of the four groups of first springs, and a transformer body is connected between the four groups of extrusion plates in a butting mode; the top of the shell is provided with a detachable top cover, the bottom of the top cover is fixedly connected with a plurality of groups of second springs, and the bottom of the second springs is fixedly connected with a top plate, so that transformers with different sizes can be placed in the shell, and are fixed in a limiting manner through the extrusion plates and the top plate, and shaking is avoided; meanwhile, the shell can be sealed through the top cover, so that the internal sealing performance is ensured, and the problem that the internal transformer is damaged due to collision is solved; and the setting of shock attenuation installation foot can play the effect of shock attenuation buffering, further avoids the casing to receive to collide and cause the problem of transformer damage.

Description

High power density electronic transformer

Technical Field

The utility model relates to an electronic transformer technical field specifically is a high power density electronic transformer.

Background

An electronic transformer, which is an electronic device for converting alternating voltage of commercial power into direct current and then forming a high-frequency alternating voltage output by a semiconductor switching device, an electronic element and a high-frequency transformer winding, is also an alternating current-direct current-alternating current inverter circuit taught in the theory of electronics. In brief, it is mainly composed of high-frequency transformer magnetic core and two or more coils, which do not change their positions, and are converted into alternating voltage and current from one or more electric loops by means of electromagnetic induction action through alternating current power. At the output end of the high-frequency transformer, high-frequency alternating current or direct current of different voltage levels is supplied to one or more than two circuit utilization circuits.

When an existing electronic transformer is installed, the electronic transformer is easily damaged due to the influence of external force, for example, when the electronic transformer is subjected to the external force, if the external force is small, the electronic transformer is easily shaken, bolts at the installation position are loosened, and when the external force is large, the electronic transformer can be directly damaged. Based on this, the utility model designs a high power density electronic transformer to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high power density electronic transformer to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-power-density electronic transformer comprises a transformer body and a shell, wherein the transformer body is arranged in an inner cavity of the shell, and four groups of shock-absorbing mounting pins are symmetrically and fixedly connected to the front side and the rear side of the lower ends of the left side wall and the right side wall of the shell;

first springs are symmetrically and fixedly connected to the lower ends of four side walls of the inner cavity of the shell, extrusion plates are fixedly connected to the ends, far away from the side walls of the inner cavity of the shell, of the four groups of first springs, and a transformer body is connected between the four groups of extrusion plates in a butting mode;

the transformer is characterized in that a detachable top cover is arranged at the top of the shell, a plurality of groups of second springs are fixedly connected to the bottom of the top cover, a top plate is fixedly connected to the bottom of each second spring, and the bottom of each top plate is abutted to the top of the transformer body.

Preferably, the shock attenuation installation foot includes dead lever and concave type mount pad, and concave type mount pad opening towards the casing, dead lever one end rigid coupling is on the casing lateral wall, the rigid coupling has the slide bar between concave type mount pad inner chamber top and the bottom, and the relative other pot head of dead lever one end establish the slide bar outer wall and with slide bar sliding connection, slide bar outer wall cover is equipped with two sets of third springs, and two sets of third springs are located the upper and lower both sides of dead lever respectively, open-ended side lower extreme rigid coupling is kept away from to concave type mount pad has the installation piece, the mounting hole has been seted up to the installation piece inner chamber.

Preferably, a sealing groove is formed in the top of the shell, and a sealing block matched with the sealing groove is fixedly connected to the bottom of the top cover.

Preferably, a plurality of groups of first heat dissipation holes which are inclined downwards are formed in inner cavities of four side walls of the shell, and a plurality of groups of second heat dissipation holes are formed in an inner cavity of the top cover.

Preferably, a dust screen is arranged between the side walls of the inner cavities of the first heat dissipation hole and the second heat dissipation hole.

Preferably, the top plate is a heat-conducting silica gel plate.

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

the utility model has the advantages that the transformer with different sizes can be placed in the shell by arranging the shell, the top cover, the damping mounting feet, the first spring, the extrusion plate, the second spring, the top plate and the like, and the extrusion plate and the top plate are used for limiting and fixing, so that the shaking is avoided; meanwhile, the shell can be sealed through the top cover, so that the internal sealing performance is ensured, and the problem that the internal transformer is damaged due to collision is solved; and the setting of shock attenuation installation foot can play the effect of shock attenuation buffering, avoids the problem that the installation department bolt pine takes off to further avoid the casing to receive to collide and cause the transformer to damage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the shock-absorbing mounting foot of the present invention;

fig. 3 is a schematic structural view of the housing of the present invention;

fig. 4 is a schematic structural diagram of the middle top cover of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-transformer body, 2-shell, 201-sealing groove, 202-first heat dissipation hole, 3-shock absorption mounting foot, 301-fixing rod, 302-concave mounting seat, 303-sliding rod, 304-third spring, 305-mounting block, 306-mounting hole, 4-first spring, 5-extrusion plate, 6-top cover, 601-sealing block, 602-second heat dissipation hole, 7-second spring, 8-top plate and 9-dustproof net.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-power-density electronic transformer comprises a transformer body 1 and a shell 2, wherein the transformer body 1 is arranged in an inner cavity of the shell 2, and four groups of shock-absorbing mounting pins 3 are symmetrically and fixedly connected to the front side and the rear side of the lower ends of the left side wall and the right side wall of the shell 2;

the lower ends of four side walls of the inner cavity of the shell 2 are symmetrically and fixedly connected with first springs 4, one ends of the four groups of first springs 4 far away from the side walls of the inner cavity of the shell 2 are fixedly connected with extrusion plates 5, and a transformer body 1 is abutted between the four groups of extrusion plates 5;

the top of the shell 2 is provided with a detachable top cover 6, the bottom of the top cover 6 is fixedly connected with a plurality of groups of second springs 7, the bottom of each second spring 7 is fixedly connected with a top plate 8, and the bottom of each top plate 8 is abutted to the top of the transformer body 1.

Specifically, the shock absorption mounting foot 3 comprises a fixing rod 301 and a concave mounting seat 302, the opening of the concave mounting seat 302 faces the housing 2, one end of the fixing rod 301 is fixedly connected to the side wall of the housing 2, a sliding rod 303 is fixedly connected between the top and the bottom of the inner cavity of the concave mounting seat 302, the other end of the fixing rod 301, which is opposite to the end of the fixing rod 301, is sleeved on the outer wall of the sliding rod 303 and slidably connected with the sliding rod 303, two sets of third springs 304 are sleeved on the outer wall of the sliding rod 303, the two sets of third springs 304 are respectively positioned on the upper side and the lower side of the fixing rod 301, a mounting block 305 is fixedly connected to the lower end of one side face, far away from the opening, of the concave mounting seat 302, a mounting hole 306 is formed in the inner cavity of the mounting block 305, when vibration is generated.

Specifically, seal groove 201 has been seted up at casing 2 top, and top cap 6 bottom rigid coupling has the sealing block 601 of mutually supporting with seal groove 201, improves the leakproofness between casing and the top cap, and can dismantle through bolt assembly between top cap and the casing and be connected.

Specifically, a plurality of groups of first heat dissipation holes 202 downwards inclined are formed in the inner cavities of the four side walls of the shell 2, a plurality of groups of second heat dissipation holes 602 are formed in the inner cavity of the top cover 6, the heat dissipation effect inside the shell can be enhanced through the heat dissipation holes, and overheating of the transformer in the shell is avoided.

Specifically, all be provided with dust screen 9 between first louvre 202 and the second louvre 602 inner chamber lateral wall, can prevent that the dust from entering into the casing through the louvre under the prerequisite of guaranteeing the heat dissipation.

Specifically, roof 8 is heat conduction silica gel board, improves the heat conduction effect between roof and the transformer body to improve the radiating efficiency.

One specific application example of this embodiment is:

when the device is installed, the transformer body 1 with high power density is placed between the four groups of extrusion plates 5, the first spring 4 is extruded, the first spring 4 exerts reaction force on the transformer body 1 in comparison with the transformer body 1, and therefore the transformer body 1 is kept stable.

Then after aligning seal block 601 of top cap 6 with seal groove 201, go into the installation fixedly with top cap 6 through bolt assembly, and after the installation, the top of transformer body 1 can be extruded to roof 8 bottom to exert reaction force through second spring 7, thereby further guarantee the stability of transformer body 1 installation. Then, the housing 2 is mounted and fixed through the mounting block 305 and the mounting hole 306, so that the transformer body 1 is mounted at a working position, and a plurality of groups of outlets can be formed in the housing 2, so that the transformer is convenient to wire.

When the transformer receives the exogenic action, can transmit the impulsive force to dead lever 301 on, then through dead lever 301 extrusion third spring 304 that slides from top to bottom on slide bar 303, thereby absorb the impulsive force through third spring 304, avoid casing 2 to cause the bolt of installation department to drop because of colliding, and casing 2 also can play the effect of protection transformer, avoid the transformer directly to receive the exogenic action, and first louvre 201 and the second louvre 601 of seting up on casing 2 and the top cap 6 can play the radiating action to casing 2 inside, avoid casing 2 inside overheated.

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 drawings, and are merely 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.

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 would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a high power density electronic transformer, includes transformer body (1) and casing (2), and transformer body (1) sets up at casing (2) inner chamber, its characterized in that: four groups of shock absorption mounting feet (3) are symmetrically and fixedly connected to the front side and the rear side of the lower ends of the left side wall and the right side wall of the shell (2);

first springs (4) are symmetrically and fixedly connected to the lower ends of four side walls of an inner cavity of the shell (2), extrusion plates (5) are fixedly connected to one ends, far away from the side wall of the inner cavity of the shell (2), of the four groups of first springs (4), and a transformer body (1) is abutted between the four groups of extrusion plates (5);

casing (2) top is provided with can dismantle top cap (6), top cap (6) bottom rigid coupling has a plurality of second spring (7) of group, second spring (7) bottom rigid coupling has roof (8), and roof (8) bottom and transformer body (1) top looks butt.

2. A high power density electronic transformer according to claim 1, wherein: shock attenuation installation foot (3) are including dead lever (301) and concave type mount pad (302), and concave type mount pad (302) opening towards casing (2), dead lever (301) one end rigid coupling is on casing (2) lateral wall, the rigid coupling has slide bar (303) between concave type mount pad (302) inner chamber top and the bottom, and the relative other pot head of dead lever (301) one end establish slide bar (303) outer wall and with slide bar (303) sliding connection, slide bar (303) outer wall cover is equipped with two sets of third spring (304), and two sets of third spring (304) are located the upper and lower both sides of dead lever (301) respectively, open-ended side lower extreme rigid coupling is kept away from in concave type mount pad (302) has installation piece (305), mounting hole (306) have been seted up to installation piece (305) inner chamber.

3. A high power density electronic transformer according to claim 1, wherein: seal groove (201) have been seted up at casing (2) top, top cap (6) bottom rigid coupling has and seals the sealed block (601) of groove (201) mutually supporting.

4. A high power density electronic transformer according to claim 1, wherein: a plurality of groups of first heat dissipation holes (202) which are downward inclined are formed in inner cavities of four side walls of the shell (2), and a plurality of groups of second heat dissipation holes (602) are formed in an inner cavity of the top cover (6).

5. A high power density electronic transformer according to claim 4, wherein: and dust screens (9) are arranged between the inner cavity side walls of the first heat dissipation hole (202) and the second heat dissipation hole (602).

6. A high power density electronic transformer according to claim 1, wherein: the top plate (8) is a heat-conducting silica gel plate.