CN213633650U

CN213633650U - Electric power instrument

Info

Publication number: CN213633650U
Application number: CN202022416052.0U
Authority: CN
Inventors: 肖云强; 肖若迪
Original assignee: Zhejiang Kaidi Electric Co ltd
Current assignee: Zhejiang Kaidi Electric Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-06
Anticipated expiration: 2030-10-27

Abstract

The utility model provides an electric power instrument, includes control chip, covers positive casing and the backplate that closes each other, be equipped with the installation cavity that is used for installing control chip in the positive casing, control chip includes circuit board and fixed mounting display screen and the control box on the circuit board, button switch is installed to the terminal surface outside the control box, the bottom of installation cavity is equipped with the opening with the display screen adaptation, the bottom of installation cavity is equipped with and constitutes screens complex draw-in groove with the control box, the draw-in groove is located the opening side, the draw-in groove bottom is equipped with the switch port of button switch adaptation, the inside wall upper portion of installation cavity is equipped with and constitutes screens complex elasticity screens position with the circuit board.

Description

Electric power instrument

Technical Field

The utility model relates to an instrument and meter field, concretely relates to electric power instrument.

Background

The power meter is widely used for measuring power parameters, monitoring and analyzing power quality, controlling electrical equipment and the like in a power system, and is an indispensable power measuring and controlling device for a modern power system. At present, most of common electric power instrument products adopt screws and related supporting and fixing parts to be fixed in an inner cavity of a shell one by one, so that the electric power instrument products have the following defects: in the actual installation process of each circuit board, due to the fact that corresponding size deviation exists in the outer shell or the circuit board, installation and positioning are not accurate, the display screen or the keys are not matched with the corresponding assembly holes, and installation and use are affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an electric power instrument:

Preferably, elasticity screens portion includes the square portion and the triangle-shaped portion of integral type, square portion comprises the reinforcing piece of a plurality of root fixed connection in installation cavity lateral wall, the reinforcing piece can turn and paste on installation cavity lateral wall, and the circuit board leans on the cooperation with the reinforcing piece constitution top this moment to be used for compensating the length size deviation of circuit board, improve the installation stability of circuit board, prevent that the circuit board from taking place the skew in actual installation.

Preferably, the reinforcing pieces are provided with two types of first reinforcing pieces and two types of second reinforcing pieces, the first reinforcing pieces and the second reinforcing pieces are distributed in a staggered arrangement, each first reinforcing piece comprises an external rubber layer and an internal iron metal net layer, each second reinforcing piece comprises an external rubber layer and an internal magnetic metal net layer, and the second reinforcing pieces adjacent to the first reinforcing pieces form a magnetic attraction fit. At first, the inner structure iron metal mesh layer and the magnetism metal mesh layer of first enhancement piece and second enhancement piece are showing and are improving the structural stability of first enhancement piece and second enhancement piece, avoid first enhancement piece and second enhancement piece to take place the damage receiving the in-process of extrusion or upset, and secondly, the cooperation is inhaled to adjacent first enhancement piece and second enhancement piece magnetism each other, avoids the enhancement piece of square portion to be in dispersed state.

Preferably, a plurality of square heat dissipation openings are formed in the upper end of the side wall of the mounting cavity, a plurality of first fixing columns are arranged at the bottom of the mounting cavity, a plurality of second fixing columns corresponding to the first fixing columns are arranged on the back plate, and the first fixing columns and the second fixing columns are connected with each other through countersunk bolts.

Has the advantages that: concentrate components and parts in the control box, the mutual screens cooperation of rethread control box and the draw-in groove of installation cavity, rethread display screen and opening cooperation, button switch and the mutual adaptation of switch mouth to make control chip stable installation in the installation cavity.

Drawings

Fig. 1 is a schematic structural diagram 1 of a front case of embodiment 1.

Fig. 2 is a schematic structural diagram 2 of the front case of embodiment 1.

Fig. 3 is a back schematic view of the front case of embodiment 1.

Fig. 4 is a schematic view of the installation of the front case and the control chip in embodiment 1.

Fig. 5 is a schematic view of the installation of the front housing and the back plate in embodiment 1.

Fig. 6 is a schematic view of the installation of the front case and the control chip in embodiment 2.

Fig. 7 is an enlarged schematic view of a in fig. 6.

Fig. 8 is a schematic structural view of a reinforcing sheet in example 2.

1. A positive housing; 2. a back plate; 3. installing a cavity; 4. a circuit board; 5. a display screen; 6. a control box; 7. an opening; 8. a card slot; 9. a switch port; 10. an elastic clamping part; 11. a square portion; 12. a triangular portion; 13. a first reinforcing sheet; 14. a second reinforcing sheet; 15. a rubber layer; 16. an iron metal mesh layer; 17. a square heat dissipation port; 18. a first fixed column; 19. a second fixed column; 20. a countersunk head bolt.

Detailed Description

The present invention will be further described with reference to FIGS. 1-8 and examples 1-2.

Example 1: the utility model provides an electric power instrument, includes control chip, covers positive casing 1 and backplate 2 that closes each other, be equipped with the installation cavity 3 that is used for installing control chip in positive casing 1, control chip includes circuit board 4 and fixed mounting display screen 5 and control box 6 on circuit board 4, button switch is installed to the terminal surface outside control box 6, the bottom of installation cavity 3 is equipped with the opening 7 with display screen 5 adaptation, the bottom of installation cavity 3 is equipped with and constitutes screens complex draw-in groove 8 with control box 6, draw-in groove 8 is located the opening 7 side, draw-in groove 8 bottom is equipped with the switch mouth 9 of button switch adaptation, the inside wall upper portion of installation cavity 3 is equipped with and constitutes screens complex elasticity screens portion 10 with circuit board 4. The utility model discloses a solar energy heat collecting device, including installation cavity 3, backplate 2, first fixed column 18, first fixed column 19, first fixed column 18 and second fixed column 19 are equipped with countersunk head bolt 20 interconnect, the lateral wall upper end of installation cavity 3 is equipped with a plurality of square thermovents 17, the bottom of installation cavity 3 is equipped with a plurality of first fixed column 18, backplate 2 is equipped with a plurality of second fixed column 19 that correspond with first fixed column 18, first fixed column 18 and second fixed column 19 are through being equipped with.

Example 2: the utility model provides an electric power instrument, includes control chip, covers positive casing 1 and backplate 2 that closes each other, be equipped with the installation cavity 3 that is used for installing control chip in positive casing 1, control chip includes circuit board 4 and fixed mounting display screen 5 and control box 6 on circuit board 4, button switch is installed to the terminal surface outside control box 6, the bottom of installation cavity 3 is equipped with the opening 7 with display screen 5 adaptation, the bottom of installation cavity 3 is equipped with and constitutes screens complex draw-in groove 8 with control box 6, draw-in groove 8 is located the opening 7 side, draw-in groove 8 bottom is equipped with the switch mouth 9 of button switch adaptation, the inside wall upper portion of installation cavity 3 is equipped with and constitutes screens complex elasticity screens portion 10 with circuit board 4. The utility model discloses a solar energy heat collecting device, including installation cavity 3, backplate 2, first fixed column 18, first fixed column 19, first fixed column 18 and second fixed column 19 are equipped with countersunk head bolt 20 interconnect, the lateral wall upper end of installation cavity 3 is equipped with a plurality of square thermovents 17, the bottom of installation cavity 3 is equipped with a plurality of first fixed column 18, backplate 2 is equipped with a plurality of second fixed column 19 that correspond with first fixed column 18, first fixed column 18 and second fixed column 19 are through being equipped with.

Elastic clamping portion 10 includes square portion 11 and the triangle-shaped portion 12 of integral type, square portion 11 comprises the enhancement piece of a plurality of root fixed connection in installation cavity 3 lateral walls, the enhancement piece can turn and paste on installation cavity 3 lateral walls, and circuit board 4 leans on the cooperation with the enhancement piece constitution top this moment to be used for compensating the length size deviation of circuit board 4, improve the installation stability of circuit board 4, prevent that circuit board 4 from taking place the skew in actual installation. The length of the reinforcing sheet is longer than or equal to the thickness of the wiring board 4. The reinforcing sheets are provided with two types of first reinforcing sheets 13 and second reinforcing sheets 14, the first reinforcing sheets 13 and the second reinforcing sheets 14 are distributed in a staggered arrangement mode, the first reinforcing sheets 13 comprise outer rubber layers 15 and inner iron metal mesh layers 16, the second reinforcing sheets 14 comprise outer rubber layers 15 and inner magnetic metal mesh layers, and the second reinforcing sheets 14 adjacent to the first reinforcing sheets 13 form magnetic attraction matching. Firstly, the internal structure iron metal mesh layer 16 and the magnetic metal mesh layer of the first reinforcing sheet 13 and the second reinforcing sheet 14 significantly improve the structural stability of the first reinforcing sheet 13 and the second reinforcing sheet 14, avoid the first reinforcing sheet 13 and the second reinforcing sheet 14 from being damaged in the process of extrusion or overturning, and secondly, the adjacent first reinforcing sheet 13 and the second reinforcing sheet 14 are in magnetic attraction fit with each other, and avoid the reinforcing sheets of the square part 11 from being in a dispersed state.

The operation principle is as follows: if discover circuit board 4 and installation cavity 3 in the installation of reality and discover the size deviation, thereby lead to the unstable relative slip condition of circuit board 4 installation, can stir the position of a certain amount of reinforcement piece to the 3 lateral walls of laminating installation cavity according to actual demand this moment, then install circuit board 4 again for circuit board 4 pushes up on the reinforcement piece, thereby stabilizes circuit board 4's mounted position, prevents that circuit board 4 from taking place relative slip.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. An electric power meter characterized in that: comprises a control chip, a front shell (1) and a back plate (2) which are mutually covered, wherein an installation cavity (3) for installing the control chip is arranged in the front shell (1), the control chip comprises a circuit board (4), a display screen (5) and a control box (6), wherein the display screen (5) and the control box are fixedly arranged on the circuit board (4), a button switch is arranged on the outer end face of the control box (6), an opening (7) matched with the display screen (5) is arranged at the bottom of the mounting cavity (3), the bottom of the mounting cavity (3) is provided with a clamping groove (8) which forms clamping fit with the control box (6), the clamping groove (8) is positioned at the side edge of the opening (7), the bottom of the clamping groove (8) is provided with a switch port (9) matched with the button switch, and an elastic clamping part (10) which forms clamping fit with the circuit board (4) is arranged on the upper part of the inner side wall of the mounting cavity (3).

2. An electric power meter according to claim 1, characterized in that: elasticity screens portion (10) including square portion (11) and triangle-shaped portion (12) of integral type, square portion (11) comprise a plurality of roots fixed connection in the enhancement piece of installation cavity (3) lateral wall, the enhancement piece can be turned over and paste on installation cavity (3) lateral wall, and circuit board (4) and enhancement piece constitute the top at this moment and lean on the cooperation.

3. An electric power meter according to claim 2, characterized in that: the reinforcing sheet is provided with two types of first reinforcing sheets (13) and second reinforcing sheets (14), the first reinforcing sheets (13) and the second reinforcing sheets (14) are distributed in a staggered arrangement mode, the first reinforcing sheets (13) comprise outer rubber layers (15) and inner iron metal mesh layers (16), the second reinforcing sheets (14) comprise outer rubber layers (15) and inner magnetic metal mesh layers, and the second reinforcing sheets (14) adjacent to the first reinforcing sheets (13) form a magnetic attraction fit.

4. An electric power meter according to claim 1, characterized in that: the heat dissipation device is characterized in that a plurality of square heat dissipation openings (17) are formed in the upper end of the side wall of the mounting cavity (3), a plurality of first fixing columns (18) are arranged at the bottom of the mounting cavity (3), a plurality of second fixing columns (19) corresponding to the first fixing columns (18) are arranged on the back plate (2), and the first fixing columns (18) and the second fixing columns (19) are connected with each other through countersunk bolts (20) arranged on the first fixing columns.