CN210053337U

CN210053337U - Intelligent electric meter switching power supply

Info

Publication number: CN210053337U
Application number: CN201920943865.XU
Authority: CN
Inventors: 卢善锋; 尹化锋
Original assignee: Guangzhou Baoshan Electronic Technology Co Ltd
Current assignee: Guangzhou Baoshan Electronic Technology Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-11
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses an intelligent ammeter switching power supply, the on-line screen storage device comprises a base, the base top is equipped with the box body, the box body both sides are equipped with input port and output port respectively, the box body top is equipped with the apron, through screw fixed connection between apron and the box body, be equipped with the spacing groove in the box body, the spacing groove comprises four limiting plates, box body bottom fixedly connected with supporting shoe. The utility model discloses a place main circuit board and use the cardboard fixed in the mounting groove, behind installation battery and the control module, put into the spacing groove with the mounting panel, push down the mounting panel and make the pinhole get into the pinhole under first spring action, it is fixed to realize the installation of mounting panel, connecting wire afterwards, with apron and box body fixed connection, accomplish the installation work, improve production packaging efficiency, reduce the wearing and tearing to the part, reduce the defective percentage, the pulling stay cord can easily take out the mounting panel when disassembling, and is convenient to use, compact structure.

Description

Intelligent electric meter switching power supply

Technical Field

The utility model relates to the technical field of power, more specifically say, the utility model relates to an intelligent ammeter switching power supply.

Background

The intelligent electric meter is an intelligent terminal of an intelligent power grid, has the functions of electricity consumption information storage, bidirectional multi-rate metering, user side control, bidirectional data communication in multiple data transmission modes, electricity larceny prevention and other intelligent functions in order to adapt to the use of the intelligent power grid and new energy besides the metering function of the basic electricity consumption of the traditional electric meter, and represents the development direction of an intelligent terminal of a future energy-saving intelligent power grid end user. At present, the traditional power frequency transformer is still used as a main power supply for the domestic intelligent electric meter, after the function of the electric meter is enhanced, the requirement on power supply power is increased, and the power frequency transformer is hard to be competent, so that the switching power supply for the intelligent electric meter has great advantages, the power consumption of the intelligent electric meter can be reduced, and the operation energy efficiency of the intelligent electric meter is improved.

Patent application publication No. CN 206573636U's utility model discloses a smart electric meter switching power supply, including box, input end, control panel and control button, the box side is provided with the input end, the box opposite side is provided with the output end, the box surface is provided with control panel, control panel is last to be provided with control button, the control button side is provided with the display screen. The beneficial effects are that: this device can acquire output power's electric current and voltage information in real time through the sensor to show in real time on the display screen and supply the user to observe, the person of facilitating the use looks over and knows, and then judges the effect of steady voltage and stationary flow, and the person of facilitating the use in time makes the adjustment.

But the switching power supply of smart electric meter that provides among the above-mentioned technical scheme still has more shortcoming when the actual operation, if the installation of being inconvenient, and its connected mode is mostly threaded connection, and production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a smart electric meter switching power supply, it is fixed to use the cardboard through placing main circuit board in the mounting groove, behind installation battery and the control module, put into the spacing groove with the mounting panel, it makes the pinhole get into the pinhole under first spring action to push down the mounting panel, the installation of realization mounting panel is fixed, connecting wire afterwards, with apron and box body fixed connection, accomplish the installation work, improve production packaging efficiency, reduce the wearing and tearing to the part, reduce the defective percentage, the pulling stay cord can easily take out the mounting panel when disassembling, and is convenient to use, compact structure.

In order to achieve the above object, the utility model provides a following technical scheme: a switching power supply of an intelligent ammeter comprises a base, wherein a box body is arranged at the top of the base, an input port and an output port are respectively arranged at two sides of the box body, a cover plate is arranged at the top of the box body, the cover plate is fixedly connected with the box body through screws, a limiting groove is arranged in the box body, the limiting groove is composed of four limiting plates, a supporting block is fixedly connected with the bottom of the box body, a storage battery is arranged at one side of the supporting block, a control module is arranged at the other side of the supporting block, a mounting plate is slidably connected between the four limiting plates, a mounting groove is arranged at the top of the mounting plate, a main circuit board is movably connected in the mounting groove, four corners at the top of the mounting plate are respectively hinged with a clamping plate, the clamping, sliding connection has the pin rod in the recess, be equipped with first spring between pin rod and the recess inner wall, the limiting plate top is rotated and is connected with the pulley, pin rod one end fixedly connected with stay cord, the stay cord passes the pin hole and extends to the pulley winding.

In a preferred embodiment, the top of the main circuit board is provided with a temperature sensor, a heat dissipation fan is arranged between the limiting plate and the box body, the top of the heat dissipation fan is provided with a dust screen, the bottom of the shell is provided with an exhaust hole, the outer side of the exhaust hole is fixedly connected with a protective cover, the surface of the protective cover is provided with a plurality of strip-shaped through holes distributed in parallel, and the strip-shaped through holes are arranged in a downward inclined mode.

In a preferred embodiment, the storage battery and the control module are both connected with the box body in an adhesive mode, the height of each storage battery and the height of each control module are equal to that of the supporting block, the installation groove is internally provided with uniformly distributed protection columns, the protection columns are made of rubber materials, and the outer sides of the protection columns are provided with second springs.

In a preferred embodiment, a touch display screen is arranged inside the cover plate, the touch display screen is fixedly connected with the cover plate, and the pin rod is matched with the pin hole.

In a preferred embodiment, four limiting plates are distributed in a frame shape, the base and the box body are arranged integrally, the limiting plates and the box body are arranged integrally, a threaded hole is formed in the outer side of the base, and an expansion screw is arranged in the threaded hole.

In a preferred embodiment, the input port is connected to the input end of the main circuit board through a conducting wire, the output port is connected to the output end of the main circuit board through a conducting wire, the storage battery and the control module are both electrically connected to the main circuit board, the input end and the output end of the control module are respectively provided with an a/D converter and a D/a converter, the temperature sensor is electrically connected to the a/D converter, the cooling fan is electrically connected to the D/a converter, and the control module is electrically connected to the touch display screen.

The utility model discloses a technological effect and advantage:

1. the main circuit board is placed in the mounting groove and fixed through the clamping plate, the mounting plate is placed in the limiting groove after the storage battery and the control module are mounted, the mounting plate is pressed downwards to enable the pin hole to enter the pin hole under the action of the first spring, mounting and fixing of the mounting plate are achieved, then the conducting wire is connected, the cover plate is fixedly connected with the box body through the screw, mounting work is completed, production and assembly efficiency is improved, abrasion to parts is reduced, defective rate is reduced, the mounting plate can be easily taken out by pulling the pull rope during disassembly, use is facilitated, and the structure is compact;

2. the temperature sensor senses the internal temperature of the main circuit board and the box body and sends the control module for analysis and processing, the cooling data of the control module is displayed on the touch display screen, the intelligent control cooling fan works to dissipate heat, and the dust screen is matched with the strip-shaped through hole of the protective cover to prevent dust from entering while dissipating heat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a system control block diagram of the present invention.

The reference signs are: the device comprises a base 1, a box body 2, an input port 3, an output port 4, a cover plate 5, a limiting plate 6, a supporting block 7, a storage battery 8, a control module 9, a mounting plate 10, a mounting groove 11, a main circuit board 12, a clamping plate 13, a pin hole 14, a groove 15, a pin rod 16, a pulley 17, a pull rope 18, a temperature sensor 19, a cooling fan 20, a dust screen 21, an exhaust hole 22, a protective cover 23, a protective column 24, a second spring 25, a touch display screen 26 and an expansion screw 27.

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 utility model provides a switching power supply of an intelligent ammeter, as shown in figures 1-3, comprising a base 1, wherein the top of the base 1 is provided with a box body 2, two sides of the box body 2 are respectively provided with an input port 3 and an output port 4, the top of the box body 2 is provided with a cover plate 5, the cover plate 5 is fixedly connected with the box body 2 through screws, a limiting groove is arranged in the box body 2, the limiting groove is composed of four limiting plates 6, the bottom of the box body 2 is fixedly connected with a supporting block 7, one side of the supporting block 7 is provided with a storage battery 8, the other side of the supporting block 7 is provided with a control module 9, four limiting plates 6 are slidably connected with a mounting plate 10, the top of the mounting plate 10 is provided with a mounting groove 11, a main circuit board 12 is movably connected in the mounting groove 11, the mounting plate is characterized in that pin holes 14 are formed in two sides of the mounting plate 10, a groove 15 matched with the pin holes 14 is formed in one side of the limiting plate 6, lead holes are formed in the bottom end of the groove 15, a pin 16 is connected in the groove 15 in a sliding mode, a first spring is arranged between the pin 16 and the inner wall of the groove 15, a pulley 17 is connected to the top end of the limiting plate 6 in a rotating mode, a pull rope 18 is fixedly connected to one end of the pin 16, and the pull rope 18 penetrates through the lead holes and extends to the pulley 17 to;

further, a temperature sensor 19 is arranged at the top of the main circuit board 12, a heat dissipation fan 20 is arranged between the limiting plate 6 and the box body 2, a dustproof net 21 is arranged at the top of the heat dissipation fan 20, an exhaust hole 22 is arranged at the bottom of the shell, a protective cover 23 is fixedly connected to the outer side of the exhaust hole 22, a plurality of strip-shaped through holes distributed in parallel are arranged on the surface of the protective cover 23, and the strip-shaped through holes are arranged in a downward inclined manner;

further, the storage battery 8 and the control module 9 are both bonded and connected with the box body 2, the heights of the storage battery 8 and the control module 9 are both equal to the height of the supporting block 7, the mounting groove 11 is internally provided with uniformly distributed protection columns 24, the protection columns 24 are made of rubber materials, and the outer sides of the protection columns 24 are provided with second springs 25;

further, a touch display screen 26 is arranged inside the cover plate 5, the touch display screen 26 is fixedly connected with the cover plate 5, and the pin 16 is matched with the pin hole 14.

Further, the four limiting plates 6 are distributed in a frame shape, the base 1 and the box body 2 are integrally arranged, the limiting plates 6 and the box body 2 are integrally arranged, threaded holes are formed in the outer side of the base 1, and expansion screws 27 are arranged in the threaded holes;

further, the input port 3 is connected with the input end of the main circuit board 12 through a conducting wire, the output port 4 is connected with the output end of the main circuit board 12 through a conducting wire, the storage battery 8 and the control module 9 are both electrically connected with the main circuit board 12, the input end and the output end of the control module 9 are respectively provided with an a/D converter and a D/a converter, the temperature sensor 19 is electrically connected with the a/D converter, the cooling fan 20 is electrically connected with the D/a converter, and the control module 9 is electrically connected with the touch display screen 26;

further, the temperature sensor is set TO be a DS18B20 TO-92 type temperature sensor.

The utility model discloses the theory of operation:

referring to the attached drawings 1-2 of the specification, a main circuit board 12 is placed in a mounting groove 11 and fixed through a clamping plate 13, after a storage battery 8 and a control module 9 are mounted, a mounting plate 10 is placed in a limiting groove, the mounting plate 10 is pressed downwards to enable a pin hole 14 to enter the pin hole 14 under the action of a first spring, the mounting plate 10 is mounted and fixed, then a lead is connected, a cover plate 5 and a box body 2 are fixedly connected through screws, mounting work is completed, production and assembly efficiency is improved, abrasion to parts is reduced, defective rate is reduced, the mounting plate 10 can be easily taken out by pulling a pull rope 18 during disassembly, the use is convenient, and the structure is compact;

referring to the attached drawing 3 of the specification, the temperature sensor 19 senses the internal temperature of the main circuit board 12 and the box body 2 and sends the internal temperature to the control module 9 for analysis and processing, the temperature reduction data of the control module 9 is displayed on the touch display screen 26, the cooling fan 20 is intelligently controlled to work for cooling, and the dust screen 2 is matched with the strip-shaped through hole of the protective cover 23, so that dust can be prevented from entering while heat is dissipated.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

finally, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a smart electric meter switching power supply, includes base (1), its characterized in that: the improved multifunctional box is characterized in that a box body (2) is arranged at the top of the base (1), an input port (3) and an output port (4) are respectively arranged on two sides of the box body (2), an cover plate (5) is arranged at the top of the box body (2), the cover plate (5) is fixedly connected with the box body (2) through screws, a limiting groove is arranged in the box body (2) and consists of four limiting plates (6), a supporting block (7) is fixedly connected to the bottom of the box body (2), a storage battery (8) is arranged on one side of the supporting block (7), a control module (9) is arranged on the other side of the supporting block (7), a mounting plate (10) is slidably connected among the four limiting plates (6), a mounting groove (11) is arranged at the top of the mounting plate (10), a main circuit board (12) is movably connected in, cardboard (13) and mounting groove (11) phase-match, mounting panel (10) both sides all are equipped with pinhole (14), limiting plate (6) one side is equipped with recess (15) that matches with pinhole (14), recess (15) bottom is equipped with the lead wire hole, sliding connection has pin rod (16) in recess (15), be equipped with first spring between pin rod (16) and recess (15) inner wall, limiting plate (6) top rotates and is connected with pulley (17), pin rod (16) one end fixedly connected with stay cord (18), stay cord (18) pass the lead wire hole and extend to pulley (17) winding.

2. The switching power supply of the intelligent electric meter according to claim 1, characterized in that: main circuit board (12) top is equipped with temperature sensor (19), be equipped with radiator fan (20) between limiting plate (6) and box body (2), radiator fan (20) top is equipped with dust screen (21), box body (2) bottom is equipped with exhaust hole (22), exhaust hole (22) outside fixedly connected with protection casing (23), protection casing (23) surface is equipped with a plurality of parallel distribution's bar through-hole, bar through-hole downward sloping sets up.

3. The switching power supply of the intelligent electric meter according to claim 1, characterized in that: the storage battery (8) and the control module (9) are both bonded with the box body (2), the storage battery (8) and the control module (9) are both equal in height to the supporting block (7), the protection columns (24) which are uniformly distributed are arranged in the mounting groove (11), the protection columns (24) are made of rubber materials, and the second springs (25) are arranged on the outer sides of the protection columns (24).

4. The switching power supply of the intelligent electric meter according to claim 1, characterized in that: the novel hinge is characterized in that a touch display screen (26) is arranged inside the cover plate (5), the touch display screen (26) is fixedly connected with the cover plate (5), and the pin rod (16) is matched with the pin hole (14).

5. The switching power supply of the intelligent electric meter according to claim 1, characterized in that: four limiting plate (6) are the frame-shaped distribution, base (1) sets up as an organic whole with box body (2), limiting plate (6) sets up as an organic whole with box body (2), the base (1) outside is equipped with the screw hole, threaded hole is equipped with inflation screw (27).

6. The switching power supply of the intelligent electric meter according to claim 2, characterized in that: input port (3) pass through the wire with main circuit board (12) input and are connected, output port (4) and main circuit board (12) output pass through the wire and are connected, battery (8) and control module (9) all with main circuit board (12) electric connection, control module (9) input and output are equipped with AD converter and DA converter respectively, temperature sensor (19) and AD converter electric connection, radiator fan (20) and DA converter electric connection, control module (9) and touch display screen (26) electric connection.