Electric power meter

Abstract

The utility model relates to the technical field of multifunctional electric power meters, and discloses an electric power meter which comprises a shell, one side of the shell is fixedly connected with a panel, one side of the panel is fixedly connected with a limiting corner, one side of the panel is fixedly connected with a fixing block, a limiting groove is formed in the fixing block, an open groove is formed in the fixing block, and the limiting corner is fixedly connected with the open groove. And a limiting plate is arranged in the fixing block, a clamping block is fixedly connected to one side of the limiting plate, the outer wall of the limiting plate is slidably connected to the interior of the limiting groove, and a releasing plate is fixedly connected to one side of the limiting plate. According to the utility model, the display screen is fixed through the screen bracket, the screen bracket is fixed on one side of the panel through the limiting corner, and then the screen bracket fixes the screen through the clamping block in the fixing block, so that the effect of fixing and limiting the screen and the panel is achieved, and the problem that the practicability of the electric power meter is affected is solved; and the practicability of the electric power meter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of multifunctional electric power meters, in particular to an electric power meter. Background Art

[0002] Power meter is an instrument used to measure, record, display and control parameters such as power, voltage, current, power, power factor, etc. in power systems. According to different measurement parameters, power meters can be divided into different types such as voltmeter, ammeter, power meter, energy meter, etc. Power meters are widely used in power plants, substations, industrial and mining enterprises, commercial buildings, residential areas and other fields, and are important tools for power system operation and management.

[0003] Existing power meters generally include a meter case, a meter cover, a main circuit board arranged between the meter case and the meter cover, and meter buttons and a screen installed on the meter cover. The screen is generally supported and fixed by supporting columns of the main circuit board, which can easily lead to unstable and shaking installation of the screen, poor user experience, and poor overall strength of the meter cover, which is easily damaged by collision, affecting the practicality of the power meter. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an electric power meter, aiming to improve the problems that the screen is easily unstable and shaken, the overall strength of the meter cover is poor, and it is easily damaged by collision, which affects the practicality of the electric power meter.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric power meter comprises a shell, a panel is fixedly connected to one side of the shell, a limited angle is fixedly connected to one side of the panel, a fixed block is fixedly connected to one side of the panel, a limited slot is provided inside the fixed block, a slot is provided inside the fixed block, a limited plate is arranged inside the fixed block, a clamping block is fixedly connected to one side of the limited plate, an outer wall of the limited plate is slidably connected to the inside of the limited slot, a release plate is fixedly connected to one side of the limited plate, an outer wall of the release plate is slidably connected to the inside of the slot, a support assembly is arranged inside the limited slot, a display screen is arranged inside the panel, a screen bracket is fixedly connected to one side of the display screen, and the outer wall of the screen bracket is slidably connected to the outer wall of the limited angle.

[0006] Furthermore, the display screen is limited and fixed on the limit angle of the panel by the screen bracket, and then the screen bracket is fixed by a card block. One side of the card block is an inclined surface and the other side is a flat surface. The inclined surface can be used to install the display screen. The card block is pushed into the fixed block through the inclined surface. Then, after it is installed in place, the card block extends out through the support assembly to fix the screen bracket through the plane. The card block is limited in the limit groove in the fixed block by the limit plate.

[0007] As a further description of the above technical solution:

[0008] The support assembly includes a telescopic rod and a spring. The spring is sleeved on the outer wall of the telescopic rod. One end of the spring and the telescopic rod are fixedly connected to the other side of the limit plate. The other end of the spring and the telescopic rod are fixedly connected to the inside of the fixed block.

[0009] Furthermore, the tension of the spring pushes the limit plate to fix the block, and the spring is limited by the telescopic rod.

[0010] As a further description of the above technical solution:

[0011] A fan is fixedly connected inside the shell, and an air outlet is opened inside the shell.

[0012] Furthermore, the fan draws external air into the housing to remove heat from the components, and then discharges the heat through the air outlet.

[0013] As a further description of the above technical solution:

[0014] A first slide groove is provided on one side of the shell, a frame 1 is provided on one side of the shell, a dustproof net 1 is fixedly connected inside the frame 1, and a handle 1 is fixedly connected on one side of the frame 1.

[0015] Furthermore, the frame is used to fix the dustproof net, which filters the air sucked in by the fan to prevent external dust from being sucked in. The frame can then be pulled out through the handle to replace and clean the dustproof net.

[0016] As a further description of the above technical solution:

[0017] An outer wall of the frame is slidably connected to the inside of the first sliding groove.

[0018] Furthermore, the frame 1 is limited on one side of the fan by a first sliding groove.

[0019] As a further description of the above technical solution:

[0020] A second slide groove is provided at the air outlet, a second frame is provided at the air outlet, a second dustproof net is fixedly connected inside the second frame, and a second handle is fixedly connected to one side of the second frame.

[0021] Furthermore, the dustproof net 2 is fixed by the frame 2, and the frame 2 can pull out the dustproof net 2 through the handle 2 for cleaning and replacement. The dustproof net 2 is used to prevent dust from entering the shell from the air outlet.

[0022] As a further description of the above technical solution:

[0023] The second outer wall of the frame is slidably connected to the inside of the second sliding groove.

[0024] Furthermore, the frame 2 is limited at the air outlet by a second sliding groove.

[0025] As a further description of the above technical solution:

[0026] The outer wall of the card block is attached to one side of the screen bracket.

[0027] Furthermore, one side of the card block plane is attached to one side of the screen bracket to fix the display screen.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, first, the display screen is fixed by a screen bracket, and the screen bracket is fixed on one side of the panel by a limiting angle, and then the screen bracket is fixed between the screens by a clamping block inside the fixing block, thereby achieving the effect of fixing and limiting the screen and the panel, solving the problems of unstable and easy shaking of the screen installation, poor overall strength of the instrument cover, easy damage by collision, affecting the practicality of the power meter, and improving the practicality of the power meter.

[0030] 2. In the utility model, the dustproof net is fixed by a frame, and the frame is limited by a slide groove, so that the dustproof net can be disassembled and cleaned, thereby achieving the effect of disassembling and cleaning the dustproof net, solving the problem that the dustproof net of the traditional electric meter is relatively fixed and cannot be disassembled and cleaned, and when there is a lot of dust on the dustproof net, the heat dissipation efficiency of the electric meter is affected, thereby improving the heat dissipation efficiency of the electric meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional diagram of an electric power meter proposed by the utility model;

[0032] Figure 2 This is a schematic diagram of the limiting angle structure of an electric power meter proposed by the utility model;

[0033] Figure 3 This is a schematic diagram of the telescopic rod structure of an electric power meter proposed by the utility model;

[0034] Figure 4 The present invention is a schematic diagram of a fan structure of an electric power meter proposed by the present invention.

[0035] Legend:

[0036] 1. Shell; 2. Panel; 3. Limiting angle; 4. Screen bracket; 5. Display screen; 6. Fixing block; 7. Limiting slot; 8. Limiting plate; 9. Block; 10. Telescopic rod; 11. Spring; 12. Slot; 13. Release plate; 14. Fan; 15. First slide slot; 16. Frame 1; 17. Handle 1; 18. Dust net 1; 19. Air outlet; 20. Second slide slot; 21. Frame 2; 22. Handle 2; 23. Dust net 2. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Reference Figure 1-3 , an embodiment provided by the utility model: an electric power meter comprises a shell 1, a panel 2 is fixedly connected to one side of the shell 1, a limited angle 3 is fixedly connected to one side of the panel 2, a fixed block 6 is fixedly connected to one side of the panel 2, a limited groove 7 is provided inside the fixed block 6, a slot 12 is provided inside the fixed block 6, a limited plate 8 is arranged inside the fixed block 6, a clamping block 9 is fixedly connected to one side of the limited plate 8, an outer wall of the limited plate 8 is slidably connected to the inside of the limited groove 7, a release plate 13 is fixedly connected to one side of the limited plate 8, an outer wall of the release plate 13 is slidably connected to the inside of the slot 12, a support assembly is arranged inside the limited groove 7, a display screen 5 is arranged inside the panel 2, a screen bracket 4 is fixedly connected to one side of the display screen 5, and an outer wall of the screen bracket 4 is slidably connected to the outer wall of the limited angle 3;

[0039] Specifically, the panel 2 is fixed on the shell 1, the display screen 5 is fixed by the screen bracket 4, the screen bracket 4 is limited on one side of the panel 2 by the limiting angle 3, and then the screen bracket 4 is fixed by the card block 9 inside the fixing block 6. The card block 9 is wedge-shaped, with the inclined side facing outward, and the plane is fitted on one side of the screen bracket 4 to limit the gap of the screen bracket 4 to prevent the screen bracket 4 from falling off. The card block 9 is limited in the limiting groove 7 by the limiting plate 8. The card block 9 is extended through the supporting assembly. When disassembly is required, the screen bracket 4 can be disassembled and repaired by moving the release plate 13 to drive the card block 9 to retract into the fixing block 6 through the limiting plate 8.

[0040] Reference Figure 3 The support assembly includes a telescopic rod 10 and a spring 11. The spring 11 is sleeved on the outer wall of the telescopic rod 10. One end of the spring 11 and the telescopic rod 10 are fixedly connected to the other side of the limit plate 8. The other end of the spring 11 and the telescopic rod 10 are fixedly connected to the inside of the fixed block 6.

[0041] Specifically, the spring 11 is limited by the telescopic rod 10 , and the tension of the spring 11 supports the block 9 through the limiting plate 8 , so that the block 9 is extended to limit the screen bracket 4 .

[0042] Reference Figure 4 A fan 14 is fixedly connected inside the shell 1, an air outlet 19 is opened inside the shell 1, a first slide groove 15 is arranged on one side of the shell 1, a frame 16 is arranged on one side of the shell 1, a dust screen 18 is fixedly connected inside the frame 16, a handle 17 is fixedly connected to one side of the frame 16, an outer wall of the frame 16 is slidably connected to the inside of the first slide groove 15, a second slide groove 20 is arranged at the air outlet 19, a frame 21 is arranged at the air outlet 19, a dust screen 23 is fixedly connected inside the frame 21, a handle 22 is fixedly connected to one side of the frame 21, an outer wall of the frame 21 is slidably connected to the inside of the second slide groove 20, and an outer wall of the block 9 is attached to one side of the screen bracket 4;

[0043] Specifically, the fan 14 draws in external air, the frame 16 fixes the dustproof net 18, the first slide groove 15 is limited on one side of the fan 14 by the first slide groove 15, the frame 16 can be pulled out by the handle 17 for cleaning or replacement, and then the air passes through the components inside the shell 1 and is blown out through the air outlet 19, the air outlet 19 is dustproofed by the dustproof net 23, the dustproof net 23 is fixed by the frame 21, the frame 21 is limited on one side of the air outlet 19 by the second slide groove 20, and the frame 21 can pull out the dustproof net 23 for cleaning by the handle 22.

[0044] Working principle: when the electric meter is used and the display screen 5 needs to be installed, the display screen 5 is fixed by the screen bracket 4, and the screen bracket 4 is limited on the panel 2 by the limiting angle 3, and then the screen bracket 4 is limited by the card block 9 inside the fixing block 6, and the card block 9 is limited inside the limiting groove 7 by the limiting plate 8, and the card block 9 is supported by the tension of the spring 11. When it needs to be disassembled, the card block 9 on the limiting plate 8 is retracted into the fixing block 6 by the release plate 13 to disassemble the screen bracket 4. When heat dissipation is required, the fan 14 draws external air into the shell 1 and then filters it through the dustproof net 18. The dustproof net 18 is fixed by the frame 16, and the frame 16 is limited on one side of the fan 14 by the first slide groove 15. The dustproof net 18 can be cleaned or replaced by pulling out the frame 16, and then the fan 14 draws external air and blows it out through the components inside the shell 1 through the air outlet 19. There is also a dustproof net 23 at the air outlet 19 for dust prevention.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric power meter, comprising a housing (1), characterized in that: A panel (2) is fixedly connected to one side of the shell (1), a limited angle (3) is fixedly connected to one side of the panel (2), a fixed block (6) is fixedly connected to one side of the panel (2), a limited slot (7) is provided inside the fixed block (6), a slot (12) is provided inside the fixed block (6), a limited plate (8) is provided inside the fixed block (6), a clamping block (9) is fixedly connected to one side of the limited plate (8), an outer wall of the limited plate (8) is slidably connected inside the limited slot (7), a release plate (13) is fixedly connected to one side of the limited plate (8), an outer wall of the release plate (13) is slidably connected inside the slot (12), a support component is provided inside the limited slot (7), a display screen (5) is provided inside the panel (2), a screen bracket (4) is fixedly connected to one side of the display screen (5), and an outer wall of the screen bracket (4) is slidably connected to an outer wall of the limited angle (3).

2. An electric power meter according to claim 1, characterized in that: The support assembly comprises a telescopic rod (10) and a spring (11); the spring (11) is sleeved inside the outer wall of the telescopic rod (10); one end of the spring (11) and the telescopic rod (10) are both fixedly connected to the other side of the limit plate (8); the other end of the spring (11) and the telescopic rod (10) are both fixedly connected to the inside of the fixed block (6).

3. The electric power meter according to claim 1, characterized in that: A fan (14) is fixedly connected to the interior of the housing (1), and an air outlet (19) is provided inside the housing (1).

4. The electric power meter according to claim 1, characterized in that: A first slide groove (15) is provided on one side of the shell (1), a frame one (16) is provided on one side of the shell (1), a dust screen one (18) is fixedly connected inside the frame one (16), and a handle one (17) is fixedly connected on one side of the frame one (16).

5. An electric power meter according to claim 4, characterized in that: The outer wall of the frame 1 (16) is slidably connected to the inside of the first sliding groove (15).

6. The electric power meter according to claim 3, characterized in that: A second slide groove (20) is provided at the air outlet (19), a second frame (21) is provided at the air outlet (19), a second dust screen (23) is fixedly connected inside the second frame (21), and a second handle (22) is fixedly connected to one side of the second frame (21).

7. An electric power meter according to claim 6, characterized in that: The outer wall of the second frame (21) is slidably connected to the inside of the second sliding groove (20).

8. The electric power meter according to claim 1, characterized in that: The outer wall of the card block (9) is attached to one side of the screen bracket (4).

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