CN213181678U

CN213181678U - Three-phase track instrument with higher safety protection performance

Info

Publication number: CN213181678U
Application number: CN202021479542.9U
Authority: CN
Inventors: 张微桐; 王育梅; 张军
Original assignee: Zhenzhou Ke Chen Electronic Technology Co ltd
Current assignee: Zhenzhou Ke Chen Electronic Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-05-11
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a three-phase track instrument with higher safety protection performance, including instrument body and gas filter screen, instrument body top is provided with the top cap, the LCD display screen lid has been seted up on the top cap, LCD display screen lid one side is provided with the button, instrument body both sides are provided with wiring indication cover plate, be provided with the ventilation hole on the inside lateral wall of wiring indication cover plate. Has the advantages that: the utility model discloses a set up top cap and LCD display screen lid, carried out effectual protection to the display screen, avoid outside sharp weapon striking to damage the display screen, the safety of device has been protected, through setting up the ventilation hole, sealed rubber ring and gas filter screen, the position entering and the exhaust air that the accessible was formulated, and seal other entering positions, and filter the gas that gets into, great reduction entering into in the gas dust and sand, interfering substance such as mould, avoid its work of interfering with the inside precision circuit of device, the protection level of device has been improved.

Description

Three-phase track instrument with higher safety protection performance

Technical Field

The utility model relates to a track instrument technical field, concretely relates to three-phase track instrument with higher safety protection performance.

Background

The distribution box is usually installed in a corridor or a room, and is usually provided with a box door to avoid illegal touch, and the distribution box is normally in a closed state. Its loop meter is usually housed in a box rather than a panel. The guide rail type space is saved in the box, and the operation is easy. So the electric box meter is usually of the rail type. The wall-mounted electric meter used in the prior art is large in size and inconvenient to install, and is gradually replaced by a guide rail type meter, the guide rail type meter has the characteristics of high measurement precision, strong overload capacity, stable and reliable performance, wide working voltage range, low self power consumption, small size, light weight, modularized structure and the like, the application occasions are wide, the wall-mounted electric meter can be used in places where electric energy needs to be measured, and the wall-mounted electric meter can be widely applied to buildings, markets, exhibition centers, schools, airports, ports and factories.

Most of the display screens of the existing guide rail type instruments are exposed outside and are easy to damage to valuable display screens when being collided by sharp instruments, and secondly, the guide rail type instruments are of bolt fixing structures, have poor internal tightness and are easy to be affected by corrosive gas in the air and avoid dust, sand, mold, salt mist, condensation, insects and the like to damage internal precise circuits.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the three-phase track instrument with higher safety protection performance is proposed at present, solve the display screen of current guide rail type instrument and mostly all expose externally, damage the more display screen that is valuable when receiving sharp weapon collision easily, secondly, the structure of guide rail type instrument is bolt fastening structure, secondly, the inside leakproofness of guide rail type instrument is relatively poor, receive the corrosive gas in the air easily and avoid influences such as dust and sand, mould, salt fog, condensation, insect, damage the problem of inside precision circuit.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a three-phase track instrument with higher safety protection performance, including instrument body and gas filter screen, instrument body top is provided with the top cap, the LCD display screen lid has been seted up on the top cap, LCD display screen lid one side is provided with the button, instrument body both sides are provided with wiring indication cover plate, be provided with the ventilation hole on the inside lateral wall of wiring indication cover plate, the inside one end in ventilation hole is in be provided with on the inside wall of instrument body gas filter screen, be provided with sealed rubber ring on the inside perisporium of instrument body.

By adopting the technical scheme, the sealing rubber ring is used for sealing the gap at the joint of the instrument body, and the main corner gas enters the device from the gap and only enters the device through the vent hole.

Furthermore, an internal circuit board is fixed to the bottom in the instrument body through bolts, a module integration box is electrically connected to the internal circuit board, and the module integration box is provided with electronic elements for monitoring voltage and current related data of the instrument.

Furthermore, an equipment operation indicating lamp is fixed on one side of the top of the LCD display screen cover through a clamping groove, a line indicating lamp is fixed on the wiring indicating cover plate through a clamping groove, and the equipment operation indicating lamp and the line indicating lamp are connected with the internal circuit board through a wire.

By adopting the technical scheme, the equipment operation indicator lamp is a total operation monitoring lamp of the device, and the line indicator lamp is an on-off indicator lamp of a connecting line.

Furthermore, the wiring indicating cover plate is provided with a wire inlet hole on one side wall outside, the top end of the wiring indicating cover plate is connected with a plastic protective cover through a hinge, and the bottom of the instrument body is provided with a guide rail mounting groove.

By adopting the technical scheme, the guide rail mounting groove is used for mounting and fixing a guide rail with a standard width, and the plastic protective cover is used for protecting the safety of equipment.

Furthermore, the first top cover and the instrument body are connected in a sealing mode through a clamping groove, and the LCD display screen cover and the top cover are of an integrated protruding structure.

Furthermore, the ventilation holes are of a net-shaped air inlet structure, and the sealing rubber ring is arranged at the connecting seam of the instrument body.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that most of the display screens of the existing guide rail type instruments are exposed outside and are easily damaged and expensive when being collided by sharp instruments, and the structure of the guide rail type instruments is a bolt fixing structure, the utility model discloses a top cover and an LCD display screen cover are arranged, so that the display screens are effectively protected, the display screens are prevented from being damaged by external sharp instruments in a collision manner, and the safety of the device is protected;

2. for solving current guide tracked instrument inside tightness relatively poor, receive the corrosive gas in the air easily and avoid influences such as dirt sand, mould, salt fog, condensation, insect, damage inside precision circuit's problem, the utility model discloses a set up the ventilation hole, seal rubber ring and gas filter screen, the position entering and the exhaust air that the accessible was formulated to seal other entering positions, and filter the gas that gets into, great reduction the interference substance such as dirt sand, mould in the entering gas, avoid its work of the inside precision circuit of interference device, improved the protection level of device.

Drawings

Fig. 1 is a schematic structural diagram of a three-phase rail instrument with high safety protection performance according to the present invention;

fig. 2 is a right sectional view of a three-phase track instrument with high safety performance according to the present invention;

fig. 3 is a top view of the internal circuit board in the three-phase rail instrument with higher safety protection performance.

The reference numerals are explained below:

1. a meter body; 2. an LCD display screen cover; 3. a plastic protective cover; 4. a top cover; 5. pressing a key; 6. a wire inlet hole; 7. a wiring indication cover plate; 8. a vent hole; 9. a line indicator light; 10. an equipment operation indicator light; 11. a module integration box; 12. an internal circuit board; 13. a gas filter screen; 14. sealing the rubber ring; 15. and (4) a guide rail mounting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, a three-phase track instrument with higher safety protection performance in this embodiment, including instrument body 1 and gas filter 13, instrument body 1 top is provided with top cap 4, LCD display screen lid 2 has been seted up on top cap 4, LCD display screen lid 2 one side is provided with button 5, instrument body 1 both sides are provided with wiring indication cover plate 7, be provided with ventilation hole 8 on the inside lateral wall of wiring indication cover plate 7, the inside one end of ventilation hole 8 is provided with gas filter 13 on the inside wall of instrument body 1, be provided with sealing rubber ring 14 on the inside perisporium of instrument body 1, sealing rubber ring 14 is used for sealing the gap of instrument body 1 junction, the main angle gas enters into inside the device from the gap, can only pass through ventilation hole 8 and get into inside the device.

The bottom has an internal circuit board 12 through the bolt fastening in the instrument body 1, and the electrical connection has the module integration box 11 on the internal circuit board 12, and the module integration box 11 has the electronic component of instrument monitoring voltage and the relevant data of electric current.

2 top one side of LCD display screen lid is fixed with equipment operation pilot lamp 10 through the draw-in groove, is fixed with circuit pilot lamp 9 through the draw-in groove on the wiring instruction apron 7, and equipment operation pilot lamp 10 and circuit pilot lamp 9 all pass through the wire with internal circuit board 12 and are connected, and equipment operation pilot lamp 10 is the overall operation monitoring lamp of device, and circuit pilot lamp 9 is the break-make pilot lamp of interconnecting link.

The shaping has entrance hole 6 on 7 outside lateral walls of wiring indicator panel, and there is plastic protection cover 3 on 7 tops of wiring indicator panel through hinge connection, and guide rail mounting groove 15 has been seted up to instrument body 1 bottom, and guide rail mounting groove 15 is used for installing the guide rail of fixed standard width, and plastic protection cover 3 is used for protecting equipment's safety.

The top cover 4I is connected with the instrument body 1 in a sealing mode through a clamping groove, and the LCD display screen cover 2 and the top cover 4 are of an integrated protruding structure.

The ventilation holes 8 are of a net-shaped air inlet structure, and the sealing rubber rings 14 are arranged at the connecting seams of the instrument body 1.

The specific implementation process of this embodiment is as follows: when the device is used, firstly, a three-phase line is connected into a wiring indicating cover plate 7 through a line inlet hole 6, and the line is connected from the tail end of the device, when the line indicating lamp 9, the equipment running indicating lamp and the LCD display screen are normally displayed, the device can normally work, wherein, an internal circuit board 12 detects the connected current and voltage through a voltage and current monitoring module in a module integration box 11 and displays the detected current and voltage on the LCD display screen, the LCD display screen is protected by an LCD display screen cover 2 to prevent other external sharp instruments from colliding and damaging the display screen and causing damage, thereby playing a role of protecting the safety of equipment, secondly, when the internal structure of the device is in ventilation and heat exchange, firstly, more dust is prevented from entering the device from the outside by a plastic protective cover 3, then the gas in the plastic protective cover 3 enters the instrument body 1 from a vent hole 8 and is filtered by a gas filter screen 13, be provided with adsorption material such as active carbon in the gas filtration net 13, can effectively filter the macromolecule debris in the air, avoid adsorbing on inside circuit board 12 and module integration box 11, guarantee precision equipment's high-efficient operation has improved the security level of device.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a three-phase track instrument with higher safety protection performance which characterized in that: including instrument body (1) and gas filter net (13), instrument body (1) top is provided with top cap (4), LCD display screen lid (2) have been seted up on top cap (4), LCD display screen lid (2) one side is provided with button (5), instrument body (1) both sides are provided with wiring indication cover board (7), be provided with ventilation hole (8) on wiring indication cover board (7) the inside lateral wall, ventilation hole (8) inside one end is in be provided with on instrument body (1) the inside wall gas filter net (13), be provided with sealed rubber ring (14) on the inside wall of four perisporums of instrument body (1).

2. The three-phase rail instrument with high safety protection performance according to claim 1, is characterized in that: the instrument is characterized in that an internal circuit board (12) is fixed to the bottom of the instrument body (1) through bolts, a module integration box (11) is electrically connected to the internal circuit board (12), and the module integration box (11) is provided with electronic elements for monitoring voltage and current related data of the instrument.

3. The three-phase rail instrument with high safety protection performance according to claim 2, is characterized in that: LCD display screen lid (2) top one side is fixed with equipment operation pilot lamp (10) through the draw-in groove, be fixed with circuit pilot lamp (9) through the draw-in groove on wiring instruction apron (7), equipment operation pilot lamp (10) with circuit pilot lamp (9) all with inside circuit board (12) pass through the wire and connect.

4. The three-phase rail instrument with high safety protection performance according to claim 1, is characterized in that: the wiring indicating cover plate is characterized in that a wire inlet hole (6) is formed in one side wall outside the wiring indicating cover plate (7), a plastic protective cover (3) is connected to the top end of the wiring indicating cover plate (7) through a hinge, and a guide rail mounting groove (15) is formed in the bottom of the instrument body (1).

5. The three-phase rail instrument with high safety protection performance according to claim 1, is characterized in that: the first top cover (4) is connected with the instrument body (1) in a sealing mode through a clamping groove, and the LCD display screen cover (2) and the top cover (4) are of an integrated protruding structure.

6. The three-phase rail instrument with high safety protection performance according to claim 1, is characterized in that: the ventilation holes (8) are of a net-shaped air inlet structure, and the sealing rubber rings (14) are arranged at the connecting seams of the instrument body (1).