CN210136777U

CN210136777U - AC lifting transformer

Info

Publication number: CN210136777U
Application number: CN201920671389.0U
Authority: CN
Inventors: 胡琳; 胡元成; 陈屿锐; 胡浙栋
Original assignee: Ningbo Jin Yuan Holding Co Ltd
Current assignee: Ningbo Jin Yuan Holding Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-03-10
Anticipated expiration: 2029-05-10

Abstract

The utility model relates to a miniature transformer field especially relates to an exchange lifting transformer. It includes: the power supply device comprises a shell, a power supply module and a power supply module, wherein an input socket used for connecting external power supply equipment and an output socket used for outputting electric power are arranged on the shell; the input socket comprises a 200-240V socket and a 100-120V socket, and fuse seats are arranged above the 200-240V socket and the 100-120V socket; the output socket comprises a USB socket and an electric appliance socket; and the shell is also provided with an air switch for controlling the on-off of the output socket. The utility model has higher structural strength, higher overall stability, and higher use safety, and the top and the side plates are not easy to deform; the method can be suitable for different use scenes; the maintenance is simple and convenient.

Description

AC lifting transformer

Technical Field

The utility model relates to a miniature transformer field especially relates to an exchange lifting transformer.

Background

In daily life and work, various voltage conversion devices such as alternating current transformers are frequently arranged due to different use requirements of various electric appliances, and the voltages of different power grids can be converted into required voltages through the transformers to be output, so that various electronic equipment, electric appliances or large-scale electric equipment with different rated working voltages can be safely used under rated power. However, although the current ac transformer can be applied to small electronic devices, household appliances, and even large electric devices, there are still some problems in the use process, for example, the housing of the ac transformer is easily deformed even if the housing is not impacted by external force due to the alternating magnetic field generated by the alternating coil inside the ac transformer, especially the top plate and the side plate are protruded or recessed, once the housing is deformed, dust is easily introduced into the housing, and serious safety problems such as component aging, damage, and even short circuit are easily caused after the dust is introduced.

The utility model discloses a lifting transformer's that chinese patent office disclosed in 2014 6 month 11 date authorizes, and the grant publication number is CN203644500U, and it includes rectangular column's housing, power cord, be equipped with at least one 110V socket, at least one 220V socket on the housing, be equipped with the air switch who is used for controlling the break-make electricity on the housing, be equipped with USB socket on the housing, USB socket, air switch are in on the same side of housing, still be equipped with the fuse seat on the housing. The transformer solves the problem that the transformer is not suitable for small electronic equipment such as mobile phones, tablet computers and other digital products, but the use safety of the transformer is not greatly improved.

Disclosure of Invention

For solving current alternating current transformer and having the casing and warp easily, and use the functional problem that has more than and the security is not enough, the utility model provides an alternating current lifting transformer. It is to achieve the following objectives: firstly, the structural stability of the whole alternating-current lifting transformer is improved, and further the safety and the service life of the transformer are improved; secondly, the power grid can be suitable for more occasions and can be connected with power grids with different voltages to stably work; and thirdly, the convenience of maintenance is improved.

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

An ac step-up-down transformer comprising:

the power supply device comprises a shell, a power supply module and a power supply module, wherein an input socket used for connecting external power supply equipment and an output socket used for outputting electric power are arranged on the shell;

the input socket comprises a 200-240V socket and a 100-120V socket, and fuse seats are arranged above the 200-240V socket and the 100-120V socket;

the output socket comprises a USB socket and an electric appliance socket;

and the shell is also provided with an air switch for controlling the on-off of the output socket.

Preferably, the shell is formed by mutually fastening an upper cover shell and a lower base; the upper cover shell consists of a top plate and side plates on the left side and the right side; the lower base is composed of a front plate, a bottom plate and a rear plate.

Preferably, the top plate of the upper cover casing is fastened to the top ends of the front plate and the rear plate of the lower base, and the side plates of the upper cover casing cover the left side and the right side of the lower base; the lower end face of the top plate between the front plate, the rear plate and the side plates on the two sides is provided with a boss protruding downwards, the front end of the boss abuts against the rear end face of the front plate, the rear end of the boss abuts against the front end face of the rear plate, and the left side and the right side of the boss abut against the inner end faces of the two side plates respectively.

Preferably, the USB socket is a USB socket of 5V 2A; the electric appliance socket comprises a 110V socket and a 220V socket.

Preferably, the 220V socket is provided with at least two sockets, and at least one rotatable rotary three-pin socket is provided.

Preferably, each input socket is correspondingly provided with a protective dustproof cover, and the top end of the protective dustproof cover is hinged with the top end of the input socket and can rotate around the hinged position.

Preferably, the upper end of the air switch is provided with a work indicator light; and an alternating coil is arranged between the upper end of the bottom plate and the front plate and between the upper end of the bottom plate and the rear plate, and the alternating coil, the input socket, the output socket and the indicator lamp are electrically connected.

The utility model has the advantages that:

1) the structure strength is higher, the integral stability is higher, the top and the side plates are not easy to deform, and the use safety is higher;

2) the method can be suitable for different use scenes;

3) the maintenance is simple and convenient.

Drawings

FIG. 1 is a schematic view of a lower base back plate of the present invention;

FIG. 2 is a schematic view of the front plate of the lower base of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic top view of the lower base of the present invention;

fig. 5 is a schematic view of the housing of the present invention;

FIG. 6 is a schematic view of the upper housing of the present invention;

in the figure: the safety protection device comprises a lower base 1, a front plate 11, a rear plate 12, a bottom plate 13, an upper cover 2, a top plate 21, side plates 22, a boss 23, an input socket 3, a protective dust cover 31, a fuse holder 32, an output socket 4, a USB (universal serial bus) socket 41, a 42110V socket, a 43220V socket, an air switch 5, an indicator lamp 51 and an alternating coil 6.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

Examples

An ac step-up-and-down transformer as shown in fig. 1 to 6, comprising:

the shell comprises an upper cover shell 2 and a lower base 1 which are buckled with each other, wherein the upper cover shell 2 and the lower base 1 are both U-shaped cover shells, the lower base 1 comprises a front plate 11, a bottom plate 13 and a rear plate 12, the upper cover shell 2 comprises a top plate 21 and side plates 22 on the left side and the right side as shown in figure 6, the front plate 11, the bottom plate 13 and the rear plate 12 of the integral shell formed by buckling with each other respectively correspond to the front plate 11, the bottom plate 13 and the rear plate 12 of the lower base 1, and the top plate 21 and the side plates 22 on the two sides also respectively correspond to the top plate 21 and the side plates 22 on the two sides of the upper cover shell 2;

the front end and the rear end of a top plate 21 of the upper housing 2 are respectively buckled at the top ends of a front plate 11 and a rear plate 12 of the lower base 1, and side plates 22 at the left side and the right side of the upper housing 2 completely cover the left side and the right side of the lower base 1;

the lower end face of the top plate 21 between the front plate 11, the rear plate 12 and the two side plates 22 is provided with a boss 23 protruding downwards, the front end of the boss 23 is abutted against the rear end face of the front plate 11, the rear end is abutted against the front end face of the rear plate 12, the left side and the right side are respectively abutted against the inner end faces of the two side plates 22, namely the opposite faces of the two side plates 22, because the alternating current transformer inevitably generates an alternating magnetic field with a changed direction in the shell when in work, the shell of the alternating current transformer is usually prepared by taking a metal material as a main framework material and coating insulating paint or other insulating substances on the surface, metal is easily influenced by the alternating magnetic field, and after the alternating current transformer works for a long time, the shell of the alternating current transformer is easily deformed even if not interfered by external force, so that the integral sealing performance is reduced, dust or moisture is easily fed, in order to solve the problem in the prior art, generally, the mode of setting up the strengthening rib is adopted to strengthen the casing, but the setting effect of strengthening rib is limited, and need set up respectively in the front bezel 11, the back plate 12, the inboard of roof 21 and curb plate 22, make the casing preparation more loaded down with trivial details, and the setting of boss 23 supports front bezel 11 respectively, back plate 12 and the yielding part of curb plate 22, and bodiness roof 21, this problem has been solved fast, just the curb plate 22 of the upper shield 2 left and right sides carries out the complete cladding to the left and right sides of lower base 1 and also can regard as front bezel 11, bottom plate 13 and back plate 12 are to the front end of curb plate 22, bottom and rear end produce the butt, the problem of being difficult to produce the deformation, in addition, setting up of boss 23 makes it aim at and dock more easily when upper shield 2 and lower base 1 carry out fixed mounting, it is more.

An output socket 4 is arranged on a front plate 11 of the lower base 1, the output socket 4 comprises a USB socket 41 used for connecting small electronic equipment such as a mobile phone and a flat panel and an electrical appliance socket used for connecting household appliances, an air switch 5 used for controlling the on-off of all the output sockets 4 is arranged on the front plate 11, and a work indicator lamp 51 is arranged at the upper end of the air switch 5;

the USB socket 41 is a 5V2A USB socket 41;

the electrical appliance sockets comprise a 110V socket 42 and a 220V socket 43, and at least one of the 110V socket 42 and the 220V socket 43 is arranged;

the two 220V sockets 43 are provided, at least one rotatable rotary three-pin socket is provided, and as part of the electric wires of the household appliances are thicker and harder, the bending angle of the electric wire at the plug part of the household appliance is easy to be overlarge when a fixed three-pin socket is adopted, so that the electric wire is easy to age and damage;

the rear plate 12 of the lower base 1 is provided with an input socket 3, the input socket 3 comprises but is not limited to a 200-240V socket and a 100-120V socket, the domestic standard voltage is 220V, but in some occasions, due to special requirements, 110V voltage is adopted as the output voltage of the socket, so that a 100-120V socket suitable for being connected with a 110V socket 42 is arranged for adapting to various occasions, and in order to ensure that normal voltage fluctuation can not cause socket damage, the 200-240V socket and the 100-120V socket with stronger adaptability are adopted;

the upper ends of the two 200-240V sockets and the two 100-120V sockets are respectively provided with a fuse seat 32, the existing multi-input socket 3 alternating-current transformer is generally only provided with a single fuse seat 32, once a single socket is short-circuited and the fuse seat 32 is fused, the problem that each socket cannot be used occurs, the socket is easily damaged and damaged in the fusing process, the damaged socket cannot be pre-judged due to the arrangement of the single fuse seat 32, and all the sockets need to be overhauled, in the technical scheme, a fuse seat 32 is arranged corresponding to each input socket 3, so that a user can directly and intuitively observe the part with the problem after the short-circuit occurs and the fuse seat 32 is fused, the workload of overhauling can be reduced, and no influence is caused on the other input socket 3;

each input socket 3 is correspondingly provided with a protective dust cover 31, and the top end of the protective dust cover 31 is hinged with the top end of the input socket 3 and can rotate around the hinged position.

An alternating coil 6 is arranged between the upper end of the bottom plate 13 and the front plate 11 and the rear plate 12, and the alternating coil 6, the input socket 3, the output socket 4, the indicator lamp 51 and other parts are electrically connected in a conventional mode.

When in use:

firstly, the fuse holders 32 above the two input sockets 3 are respectively screwed out to check the integrity of the fuse holders, the use safety is ensured, the input sockets 3 are electrically connected with external sockets through electric wires after the fuse holders 32 are confirmed to be intact, the external sockets provide the electric power for the alternating current lifting transformer in the technical scheme after the electric connection, then the air switch 5 is firstly pulled to the open gear to check whether the indicator lamp 51 is on, whether the internal circuit of the alternating current lifting transformer is simply detected to be intact, then the air switch 5 is pulled to the closed gear, the electric appliance is connected onto the output socket 4 through a connecting wire according to the use requirement, and then the air switch 5 is pulled to the open gear, so that the power supply of the electric appliance can be realized.

Claims

1. An ac step-up transformer, comprising:

the output socket comprises a USB socket and an electric appliance socket;

2. An ac step-up transformer according to claim 1, wherein said housing is formed by fastening an upper casing and a lower base to each other; the upper cover shell consists of a top plate and side plates on the left side and the right side; the lower base is composed of a front plate, a bottom plate and a rear plate.

3. The ac step-up transformer according to claim 2, wherein the top plate of the upper casing is fastened to the top ends of the front plate and the rear plate of the lower base, and the side plates of the upper casing cover the left and right sides of the lower base; the lower end face of the top plate between the front plate, the rear plate and the side plates on the two sides is provided with a boss protruding downwards, the front end of the boss abuts against the rear end face of the front plate, the rear end of the boss abuts against the front end face of the rear plate, and the left side and the right side of the boss abut against the inner end faces of the two side plates respectively.

4. An ac step-up transformer according to claim 1, wherein said USB socket is a 5V2A USB socket; the electric appliance socket comprises a 110V socket and a 220V socket.

5. An AC step-up transformer according to claim 4, characterised in that there are at least two of said 220V sockets, at least one of which is a rotatable swivel-type tripod socket.

6. An ac step-up transformer as claimed in claim 1, wherein each of said input sockets is provided with a protective dust cap, the top end of said protective dust cap being hinged to the top end of said input socket and being rotatable about said hinge.

7. An AC step-up transformer according to claim 2, characterized in that the upper end of said air switch is provided with a work indicator light; and an alternating coil is arranged between the upper end of the bottom plate and the front plate and between the upper end of the bottom plate and the rear plate, and the alternating coil, the input socket, the output socket and the indicator lamp are electrically connected.