CN220019697U - Electric power instrument - Google Patents
Electric power instrument Download PDFInfo
- Publication number
- CN220019697U CN220019697U CN202321623077.5U CN202321623077U CN220019697U CN 220019697 U CN220019697 U CN 220019697U CN 202321623077 U CN202321623077 U CN 202321623077U CN 220019697 U CN220019697 U CN 220019697U
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- circuit board
- instrument
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- screen
- cover plate
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- 210000001503 joint Anatomy 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The present utility model relates to an electric power meter. The utility model aims to provide a power instrument with a stable structure. The electric power instrument adopts the technical scheme that the electric power instrument comprises an instrument shell, an instrument surface cover, a main circuit board, instrument buttons, a screen and a receiving cover plate, wherein an on-screen limiting block, a screen side limiting block and a button positioning groove are arranged on the front surface of the receiving cover plate, button clamping ports are arranged on the button positioning groove at intervals, a surface cover storage cavity is arranged on the back surface of the instrument surface cover, a screen display port and a key port are arranged on the surface cover storage cavity, a surface cover clamping block is arranged on the side wall of the surface cover storage cavity, the receiving cover plate is of a square structure, and a receiving cover plate fixing hole is formed in four corners of the receiving cover plate. The electric power instrument has the advantages that: the bearing cover plate is additionally arranged, so that the screen and the instrument button are more stable and firm in installation, difficult to swing and shift, more reliable in use and better in experience, and the overall connection strength of the instrument surface cover is also improved.
Description
Technical Field
The present utility model relates to an electric power meter.
Background
An electric power meter is an instrument for measuring, recording, displaying and controlling parameters such as electric quantity, voltage, current, power factor and the like in an electric power system. According to different measurement parameters, the electric power meters can be divided into different types such as voltmeters, ammeter, power meters, electric energy meters and the like. The electric power instrument is widely applied to the fields of power plants, transformer substations, industrial and mining enterprises, commercial buildings, residential communities and the like, and is an important tool for the operation and management of an electric power system. The current electric power instrument generally includes instrument casing, instrument apron, establishes the instrument casing with main circuit board between the instrument apron, install instrument button and screen on the instrument apron, the screen is supported fixedly through the spliced pole of main circuit board generally, and this leads to the screen installation unstable easily, rocks easily, and the user uses and experiences the sense relatively poor, and instrument apron holistic intensity is poor, receives the collision and is impaired easily, consequently needs the improvement.
Disclosure of Invention
In order to solve the problems, the technical problem to be solved by the utility model is to provide a power instrument with stable structure.
The electric power meter adopts the technical scheme that the electric power meter comprises a meter shell, a meter surface cover, a main circuit board, meter buttons and a screen, and is characterized by further comprising a receiving cover plate, wherein the front surface of the receiving cover plate is provided with a limiting block on the screen, a button positioning groove for mounting the meter buttons, button clamping interfaces for clamping the meter buttons are arranged on the button positioning groove at intervals, a surface cover storage cavity is arranged on the back surface of the meter surface cover, a screen display opening for displaying the screen and a key opening for pressing the meter buttons are arranged on the surface cover storage cavity, a surface cover clamping block is arranged on the side wall of the surface cover storage cavity, the receiving cover plate is of a square structure, four corners of the receiving cover plate are provided with receiving cover plate fixing holes, the meter shell is provided with a shell surrounding cavity and a shell butting edge, and the shell butting edge is provided with a receiving cover plate mounting hole corresponding to the receiving cover plate fixing hole and a shell bayonet corresponding to the surface cover clamping block;
the circuit board mounting cavity is formed in the back of the bearing cover plate, a circuit board fixing block is arranged on the circuit board mounting cavity, a circuit board mounting hole is formed in the circuit board fixing block, and a micro switch corresponding to the instrument button and a circuit board fixing hole corresponding to the circuit board mounting hole are formed in the main circuit board.
The surface cover storage cavity is arranged on the periphery of the screen display opening, an upper stop block perpendicular to the screen upper stop block and a side stop block perpendicular to the screen side stop block are arranged on the periphery of the screen display opening, an upper stop block positioning opening for positioning the screen upper stop block is formed in the upper stop block, and a side stop block positioning opening for positioning the screen side stop block is formed in the side stop block.
The front surface of the receiving cover plate is provided with a wiring groove on the inner side of the screen upper limiting block and the inner side of the screen side limiting block, and wiring holes are formed in the wiring groove.
The four corners of the bearing cover plate are provided with countersunk openings, and the countersunk openings are provided with bearing cover plate fixing holes.
The circuit board mounting cavity is provided with a circuit board limiting block, and the main circuit board is provided with a circuit board limiting notch corresponding to the circuit board limiting block.
The height of the circuit board limiting block is larger than that of the circuit board fixing block.
The instrument button bottom is equipped with the button butt joint kicking block, button butt joint kicking block both sides be equipped with the button fixture block corresponding to button fixture interface, be equipped with on the button butt joint kicking block with the button positioning notch that micro-gap switch corresponds.
And a shell cooling hole is formed in the bottom of the shell installation cavity.
The height of the limiting block on the screen and the height of the limiting block on the screen side are both smaller than 1mm.
The electric power instrument has the advantages that: the bearing cover plate is additionally arranged, so that the screen and the instrument button are more stable and firm in installation, difficult to swing and shift, more reliable in use and better in experience, and the overall connection strength of the instrument surface cover is also improved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is an exploded view of the power meter of the present utility model;
FIG. 2 is a schematic view of the structure of the receiving cover plate of the present utility model;
FIG. 3 is a schematic view of the structure of the receiving cover plate of the present utility model;
FIG. 4 is a schematic view of the structure of the instrument face cover of the present utility model;
FIG. 5 is a schematic diagram of a main circuit board according to the present utility model;
FIG. 6 is a schematic view of the structure of the meter housing of the present utility model;
fig. 7 is a schematic view of the structure of the meter button of the present utility model.
Detailed Description
As shown in fig. 1-7, the electric power meter according to the utility model comprises a meter housing 1, a meter surface cover 2, a main circuit board 3, a meter button 4, a screen 5 and a receiving cover plate 6, wherein an on-screen limiting block 10 and a screen side limiting block 11 for mounting and positioning the screen 5 and a button positioning groove 12 for mounting the meter button 4 are arranged on the front surface of the receiving cover plate 6, button clamping interfaces 13 for clamping the meter button 4 are arranged on the button positioning groove 12 at intervals, a surface cover storage cavity 30 is arranged on the back surface of the meter surface cover 2, a screen display opening 31 for displaying the screen 5 and a key opening 32 for pressing the meter button 4 are arranged on the surface cover storage cavity 30, a surface cover 38 is arranged on the side wall of the surface cover storage cavity 30, the receiving cover plate 6 is of a square structure, a receiving cover plate fixing hole 14 is arranged on four corners of the receiving cover plate, a housing mounting cavity 40 and a housing butting edge 41 are arranged on the housing butting edge 41, and a receiving cover plate 42 corresponding to the cover plate fixing hole 14 and a clamping block 43 corresponding to the housing clamping block 43 are arranged on the housing butting edge 41; the back of the bearing cover plate 6 is provided with a circuit board mounting cavity 15 for mounting the main circuit board 3, the circuit board mounting cavity 15 is provided with a circuit board fixing block 16, the circuit board fixing block 16 is provided with a circuit board mounting hole 17, the main circuit board 3 is provided with a micro switch 51 corresponding to the instrument button 4 and a circuit board fixing hole 52 corresponding to the circuit board mounting hole 17, and the bearing cover plate is additionally arranged, so that the mounting of the screen and the instrument button is more stable and firm, the screen is not easy to swing and shift, the user can use the screen more reliably, the experience is better, and the integral connection strength of the instrument surface cover is also improved.
The surface cover storage cavity 30 is provided with an upper stop block 34 which is arranged vertically to the screen upper stop block 10 and a side stop block 35 which is arranged vertically to the screen side stop block 11 at the periphery of the screen display opening 31, the upper stop block 34 is provided with an upper stop block positioning opening 36 for positioning the screen upper stop block 10, the side stop block 35 is provided with a side stop block positioning opening 37 for positioning the screen side stop block 11, the connection tightness of the instrument surface cover 2 and the bearing cover plate 6 is enhanced, and displacement is effectively prevented.
The front surface of the receiving cover plate 6 is provided with a wiring groove 19 on the inner sides of the screen upper limiting block 10 and the screen side limiting block 11, and a wiring hole 20 is arranged in the wiring groove 19, so that wiring is facilitated.
The four corners of the receiving cover plate 6 are provided with countersunk openings 22, and the countersunk openings 22 are provided with the receiving cover plate fixing holes 14, so that the installation is more convenient and attractive.
The circuit board mounting cavity 15 is provided with a circuit board limiting block 18, the main circuit board 3 is provided with a circuit board limiting notch 53 corresponding to the circuit board limiting block 18, and the circuit board is accurate in positioning and firm and stable in mounting.
The height of the circuit board limiting block 18 is greater than the height of the circuit board fixing block 16.
The bottom of the instrument button 4 is provided with a button butt joint ejector block 56, both sides of the button butt joint ejector block 56 are provided with button clamping blocks 57 corresponding to the button clamping ports 13, the button butt joint ejector block 56 is provided with button positioning notches 58 corresponding to the micro-switches 51, and the instrument button is reliable and stable in action.
The bottom of the shell installation cavity 40 is provided with a shell cooling hole 44, so that the cooling effect is good.
The height of the screen upper limiting block 10 and the height of the screen side limiting block 11 are smaller than 1mm.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The utility model provides an electric power instrument, includes instrument casing (1), instrument surface lid (2), main circuit board (3), instrument button (4), screen (5), its characterized in that: the device is characterized by further comprising a bearing cover plate (6), wherein a screen upper limiting block (10) and a screen side limiting block (11) for mounting and positioning the screen (5) are arranged on the front surface of the bearing cover plate (6), a button positioning groove (12) for mounting the instrument button (4) is formed in the button positioning groove (12) at intervals, a button clamping interface (13) for clamping the instrument button (4) is formed in the back surface of the instrument surface cover (2), a surface cover storage cavity (30) is formed in the back surface of the instrument surface cover (2), a screen display opening (31) for displaying the screen (5) and a key opening (32) for pressing the instrument button (4) are formed in the surface cover storage cavity (30), a surface cover clamping block (38) is arranged on the side wall of the surface cover storage cavity, the bearing cover plate (6) is of a square structure, bearing cover plate fixing holes (14) are formed in four corners of the bearing cover plate, a housing surrounding edge (41) and a housing surrounding edge (41), and a housing surrounding edge (41) are arranged, and the housing surrounding edge (41) is provided with a housing corresponding mounting surface (43) corresponding to the bearing cover plate fixing hole (42) of the bearing cover plate fixing hole (14);
the circuit board mounting device is characterized in that a circuit board mounting cavity (15) for mounting the main circuit board (3) is formed in the back of the bearing cover plate (6), a circuit board fixing block (16) is arranged on the circuit board mounting cavity (15), a circuit board mounting hole (17) is formed in the circuit board fixing block (16), and a micro switch (51) corresponding to the instrument button (4) and a circuit board fixing hole (52) corresponding to the circuit board mounting hole (17) are formed in the main circuit board (3).
2. The power meter of claim 1, wherein: the surface cover storage cavity (30) is arranged on the periphery of the screen display opening (31) and is provided with an upper stop block (34) which is vertically arranged with the screen upper stop block (10) and a side stop block (35) which is vertically arranged with the screen side stop block (11), the upper stop block (34) is provided with an upper stop block positioning opening (36) for positioning the screen upper stop block (10), and the side stop block (35) is provided with a side stop block positioning opening (37) for positioning the screen side stop block (11).
3. The power meter of claim 1, wherein: the front surface of the bearing cover plate (6) is provided with a wiring groove (19) on the inner sides of the screen upper limiting block (10) and the screen side limiting block (11), and a wiring hole (20) is formed in the wiring groove (19).
4. The power meter of claim 1, wherein: the four corners of the bearing cover plate (6) are provided with countersunk openings (22), and the countersunk openings (22) are provided with bearing cover plate fixing holes (14).
5. The power meter of claim 1, wherein: the circuit board mounting cavity (15) is provided with a circuit board limiting block (18), and the main circuit board (3) is provided with a circuit board limiting notch (53) corresponding to the circuit board limiting block (18).
6. The power meter of claim 5, wherein: the height of the circuit board limiting block (18) is larger than that of the circuit board fixing block (16).
7. The power meter of claim 1, wherein: the instrument button (4) bottom is equipped with button butt joint kicking block (56), button butt joint kicking block (56) both sides be equipped with button fixture block (57) corresponding to button fixture interface (13), be equipped with on button butt joint kicking block (56) with button location notch (58) corresponding to micro-gap switch (51).
8. The power meter of claim 1, wherein: and a shell cooling opening (44) is formed in the bottom of the shell mounting cavity (40).
9. The power meter of claim 1, wherein: the height of the screen upper limiting block (10) and the height of the screen side limiting block (11) are smaller than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623077.5U CN220019697U (en) | 2023-06-26 | 2023-06-26 | Electric power instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623077.5U CN220019697U (en) | 2023-06-26 | 2023-06-26 | Electric power instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220019697U true CN220019697U (en) | 2023-11-14 |
Family
ID=88676549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321623077.5U Active CN220019697U (en) | 2023-06-26 | 2023-06-26 | Electric power instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220019697U (en) |
-
2023
- 2023-06-26 CN CN202321623077.5U patent/CN220019697U/en active Active
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