CN111900862B

CN111900862B - Switching power supply for intelligent electric meter

Info

Publication number: CN111900862B
Application number: CN202010972027.2A
Authority: CN
Inventors: 金浩
Original assignee: Suzhou Dune Electronics Technology Co ltd
Current assignee: Suzhou Dune Electronics Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2022-05-31
Anticipated expiration: 2040-09-16
Also published as: CN114786390A; CN111900862A; CN114814321A

Abstract

The invention provides a switching power supply for an intelligent ammeter, belongs to the technical field of power supplies, and aims to solve the problems that a plug wire end is easy to fall into dust when the existing switching power supply is used, a circuit is easy to be short-circuited, and electric shock danger is easy to occur when non-workers touch the plug wire end in use; a group of plug terminals are fixedly connected to the lower part of the inner part of the shell; a group of sliding plates are connected above the inner part of the shell in a sliding manner; the left end surface and the right end surface of the sliding plate are both connected with a group of buttons in a sliding manner; a group of connecting rods are connected to the front side and the rear side of the upper part in the sliding plate in a sliding manner; a group of driven gears are rotatably connected to the upper part inside the sliding plate; a group of connecting plates are fixedly connected behind each group of positioning blocks; the connecting rod is fixedly connected above the rear end face of the connecting plate, the plug wire end is protected by the sliding plate, dust is prevented from falling, non-workers are prevented from directly contacting the plug wire end, and the operation is simple.

Description

Switching power supply for intelligent electric meter

Technical Field

The invention belongs to the technical field of power supplies, and particularly relates to a switching power supply for an intelligent electric meter.

Background

A switch mode power supply, also called a switching power supply and a switch converter, is a high-frequency electric energy conversion device, is a power supply, and has the function of converting a voltage with one level into a voltage or a current required by a user side through different forms of architectures, the input of the switch power supply is mostly an alternating current power supply or a direct current power supply, the output of the switch power supply is mostly equipment requiring the direct current power supply, an intelligent electric meter is one of basic equipment for intelligent power grid data acquisition, bears the tasks of original electric energy data acquisition, metering and transmission, is the basis for realizing information integration, analysis optimization and information display, and a power line of the intelligent electric meter is connected with a switch power supply plug wire end when in use.

Based on the above, when the existing switching power supply is used, the plug wire end is very easy to fall into dust, a short circuit is easily caused, the use of the intelligent electric meter is influenced, and when a non-worker touches the plug wire end, the danger of electric shock easily occurs in use, so that the personal safety problem is caused.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a switching power supply for a smart meter is provided, so as to achieve the purpose of having more practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a switching power supply for an intelligent electric meter, which aims to solve the problems that when the conventional switching power supply is used, dust easily falls into a plug wire end, a circuit is easily short-circuited, the use of the intelligent electric meter is influenced, and when non-working personnel touch the plug wire end in use, the danger of electric shock is easily caused, and the personal safety is caused.

The invention relates to a switching power supply for an intelligent electric meter, which is achieved by the following specific technical means:

a switching power supply for an intelligent electric meter comprises a shell and a positioning block; a group of plug terminals are fixedly connected to the lower part of the inner part of the shell; a group of sliding plates are connected above the inner part of the shell in a sliding manner; the left end surface and the right end surface of the sliding plate are both connected with a group of buttons in a sliding manner; a group of connecting rods are connected to the front side and the rear side of the upper part in the sliding plate in a sliding manner; a group of driven gears are rotatably connected to the upper part inside the sliding plate; a group of connecting plates are fixedly connected behind each group of positioning blocks; and a connecting rod is fixedly connected above the rear end face of the connecting plate.

Further, the shell is further provided with positioning grooves, the left side and the right side of the shell are respectively provided with two groups of positioning grooves, the button is further provided with a positioning block, a group of positioning blocks are fixedly connected to the rear of the button, and the positioning grooves are movably connected with the positioning blocks.

Further, the shell still includes the guide way, and a set of guide way has all been seted up to the shell left and right sides, and the sliding plate still includes the guide block, the equal fixedly connected with a set of guide block of sliding plate left and right sides, guide way and guide block sliding connection.

Furthermore, the button is also provided with a button return spring, a group of button return springs are fixedly connected to the rear of the button, and the button return springs are elastically connected with the sliding plate.

Further, the sliding plate is characterized by further comprising guide rails, a group of guide rails is fixedly connected to the left side and the right side of the sliding plate, the connecting plate is further provided with round holes, a group of round holes are formed in the connecting plate, and the guide rails are connected with the round holes in a sliding mode.

Furthermore, the connecting rod still includes the transmission rack, and connecting rod fixedly connected with a set of transmission rack, driven gear and transmission rack meshing constitute rack and pinion drive mechanism.

Compared with the prior art, the invention has the following beneficial effects:

the invention separates the positioning block from the positioning groove by pressing a button which is movably connected with the positioning block through the positioning groove, the button cancels positioning with a shell, a connecting plate is connected with a round hole in a sliding way through a guide rail to enable the connecting plate to move directionally backwards, the connecting plate drives a connecting rod to move through fixed connection between the connecting plate and the connecting rod, the connecting rod is meshed with a driving rack through a driven gear to form a gear rack transmission mechanism to drive another group of driving racks to move, the driving rack drives the button through transmission to separate the positioning block from the positioning groove, the button is dragged upwards, when the button is moved to a proper position, the button is elastically connected with a sliding plate through a button reset spring to reset the button, so that the positioning block is matched with the positioning groove again to realize positioning, after wiring is finished, the button is dragged to slide down the sliding plate, the plugging wire end is protected through the sliding plate to prevent dust from falling in, the problem that a non-worker directly contacts the plug wire end to damage the plug wire end or get an electric shock is avoided, and the operation is simple.

Drawings

FIG. 1 is a schematic axial side view of the present invention.

Fig. 2 is a schematic cross-sectional view of the housing of the present invention.

Fig. 3 is a schematic axial side view of the slide plate of the present invention.

Fig. 4 is a schematic view of the internal mounting structure of the present invention.

Fig. 5 is a schematic view of a rack and pinion mounting structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a housing; 101. positioning a groove; 102. a guide groove; 2. a plug end; 3. a sliding plate; 301. a guide block; 302. a guide rail; 4. a button; 401. positioning blocks; 402. a button return spring; 5. a connecting rod; 501. a drive rack; 6. a driven gear; 7. a connecting plate; 701. a circular hole.

Detailed Description

Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the invention provides a switching power supply for an intelligent electric meter, which comprises a shell 1 and a positioning block 401; a group of plug terminals 2 are fixedly connected to the lower part of the inner part of the shell 1; a group of sliding plates 3 are connected above the inner part of the shell 1 in a sliding way; the left and right end faces of the sliding plate 3 are both connected with a group of buttons 4 in a sliding manner; a group of connecting rods 5 are connected to the front side and the rear side of the upper part in the sliding plate 3 in a sliding manner; a group of driven gears 6 are rotatably connected to the upper part inside the sliding plate 3; a group of connecting plates 7 is fixedly connected behind each group of positioning blocks 401; a connecting rod 5 is fixedly connected above the rear end face of the connecting plate 7.

Wherein, shell 1 is still including constant head tank 101, and two sets of constant head tanks 101 have all been seted up to the shell 1 left and right sides, and button 4 is still including locating piece 401, a set of locating piece 401 of 4 rear fixedly connected with of button, constant head tank 101 and locating piece 401 swing joint, and in use, button 4 passes through constant head tank 101 and locating piece 401 swing joint, realizes location in shell 1.

Wherein, shell 1 still includes guide way 102, and a set of guide way 102 has all been seted up to the shell 1 left and right sides, and sliding plate 3 still includes guide block 301, and the equal fixedly connected with of sliding plate 3 left and right sides has a set of guide block 301, guide way 102 and guide block 301 sliding connection, and in use, when sliding plate 3 removed, through guide way 102 and guide block 301 sliding connection realization sliding plate 3 was fixed a position in shell 1 and is removed.

The button 4 further comprises a button return spring 402, a group of button return springs 402 is fixedly connected to the rear of the button 4, the button return springs 402 are elastically connected with the sliding plate 3, and when the button 4 is pressed down in use, the button return springs 402 are elastically connected with the sliding plate 3 to reset the button 4.

The sliding plate 3 further comprises a guide rail 302, a group of guide rails 302 are fixedly connected to the left side and the right side of the sliding plate 3, the connecting plate 7 further comprises a round hole 701, the connecting plate 7 is provided with a group of round holes 701, the guide rails 302 are in sliding connection with the round holes 701, and when the button 4 is pressed in use, the guide rails 302 and the round holes 701 are in sliding connection to drive the connecting plate 7 to move directionally.

Wherein, connecting rod 5 still includes transmission rack 501, and connecting rod 5 fixedly connected with a set of transmission rack 501, driven gear 6 and the meshing of transmission rack 501 constitute rack and pinion drive mechanism, and in use, when connecting rod 5 removed, constitute rack and pinion drive mechanism through driven gear 6 and the meshing of transmission rack 501 and drive another set of transmission rack 501 and remove.

The specific use mode and function of the embodiment are as follows:

when the plug wire end 2 needs to be connected, the button 4 is pressed, the button 4 is movably connected with the positioning block 401 through the positioning groove 101, the positioning block 401 is separated from the positioning groove 101, the button 4 and the shell 1 are not positioned, the connecting plate 7 is in sliding connection with the round hole 701 through the guide rail 302, the connecting plate 7 moves backwards in a directional mode, the connecting plate 7 drives the connecting rod 5 to move through the fixed connection between the connecting plate 7 and the connecting rod 5, the connecting rod 5 is meshed with the driving rack 501 through the driven gear 6 to form a gear-rack transmission mechanism to drive the other group of driving racks 501 to move, the driving rack 501 drives the button 4 through transmission, the positioning block 401 is separated from the positioning groove 101, the button 4 is dragged upwards, when the button 4 moves to a proper position, the button 4 is elastically connected with the sliding plate 3 through the button reset spring 402 to drive the button 4 to reset, the positioning block 401 is matched with the positioning groove 101 again, and positioning is realized, after the wiring is finished, the sliding plate 3 is slid down by the dragging button 4, and the plug wire end 2 is protected.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a switching power supply for smart electric meter which characterized in that: the switching power supply for the intelligent electric meter comprises a shell (1) and a positioning block (401); a group of plug terminals (2) are fixedly connected to the lower part of the inner part of the shell (1); a group of sliding plates (3) are connected above the inner part of the shell (1) in a sliding way; the left end surface and the right end surface of the sliding plate (3) are both connected with a group of buttons (4) in a sliding manner; a group of connecting rods (5) are connected to the front side and the rear side of the upper part in the sliding plate (3) in a sliding manner; a group of driven gears (6) are rotatably connected to the upper part inside the sliding plate (3); a group of connecting plates (7) are fixedly connected behind each group of positioning blocks (401); a connecting rod (5) is fixedly connected above the rear end face of the connecting plate (7);

the shell (1) further comprises positioning grooves (101), two groups of positioning grooves (101) are formed in the left side and the right side of the shell (1), the button (4) further comprises positioning blocks (401), a group of positioning blocks (401) are fixedly connected to the rear of the button (4), and the positioning grooves (101) are movably connected with the positioning blocks (401);

the connecting rod (5) further comprises a transmission rack (501), the connecting rod (5) is fixedly connected with a group of transmission racks (501), and the driven gear (6) is meshed with the transmission racks (501) to form a gear-rack transmission mechanism.

2. The switching power supply for the smart meter according to claim 1, wherein: the sliding plate is characterized in that the shell (1) further comprises a guide groove (102), a group of guide grooves (102) are formed in the left side and the right side of the shell (1), the sliding plate (3) further comprises a guide block (301), a group of guide blocks (301) are fixedly connected to the left side and the right side of the sliding plate (3), and the guide grooves (102) are connected with the guide blocks (301) in a sliding mode.

3. The switching power supply for the smart meter according to claim 1, wherein: the switch power supply comprises a button reset spring (402), a group of button reset springs (402) are fixedly connected to the rear of the connecting plate (7), and the button reset springs (402) are elastically connected with the sliding plate (3).

4. The switching power supply for the smart meter according to claim 1, wherein: the sliding plate (3) further comprises a guide rail (302), a group of guide rails (302) are fixedly connected to the left side and the right side of the sliding plate (3), the connecting plate (7) further comprises a round hole (701), a group of round holes (701) are formed in the connecting plate (7), and the guide rails (302) are slidably connected with the round holes (701).