CN211878044U - Outer frame construction of single-phase smart electric meter - Google Patents

Abstract

The utility model discloses a single-phase smart electric meter's outer frame construction relates to smart electric meter outer frame construction technical field, lets dust and rainwater enter into the circuit board easily at the in-process that uses for solving current single-phase smart electric meter's frame, leads to the ammeter problem that the short circuit burns out even that opens circuit. The inside of shell is provided with the display screen, the below of display screen is provided with the control panel, the outer wall of control panel is provided with numerical key, one side of numerical key is provided with the control key, one side of control key is provided with the reset key, one side of display screen is provided with IC-card response piece, the below of shell is provided with the drain pan, one side of drain pan is provided with the dovetail groove, the below in dovetail groove is provided with network interface, and network interface's below is provided with the rectangular channel, one side of rectangular channel sets up the wiring board, the inside of wiring board is provided with the wiring jack, the below of wiring board is provided with the fixed station.

Description

Outer frame construction of single-phase smart electric meter

Technical Field

The utility model relates to an outer frame construction technical field of smart electric meter specifically is a single-phase smart electric meter's outer frame construction.

Background

The electric meter is an electric energy meter for short, is an instrument for measuring electric energy, is also called an electric meter, a fire meter, an electric energy meter and a kilowatt-hour meter, and is an instrument for measuring various electric quantities. Along with the development of science and technology and the improvement of the level of mechanical manufacturing, the manufacturing of electric energy meters in China has a considerable level and scale, the overload capacity and the service life of alternating current induction type electric energy meters are greatly improved, the existing electric meters are all intelligent electric meters, the main types of the intelligent electric meters are IC card electric meters, a user holds an IC card to a power supply department to pay for electricity, the power supply department writes the electricity purchased into the IC card by a power selling management machine, the user holds the IC card, the IC card can be switched on for power supply by swiping a non-contact IC card in an induction area, and the card is taken away after power supply. When the residual electric quantity in the meter is equal to the alarm electric quantity, the switch is pulled out and the power is cut off for alarm (or a buzzer alarms), and at the moment, the user can recover power supply by swiping a card in the induction area; when the residual electric quantity is zero, the automatic switch is opened and the power is cut off, and the user must hold the card again to pay for the electricity and can recover the electricity.

The outer frame of the existing single-phase intelligent ammeter easily allows dust and rainwater to enter a circuit board in the using process, so that the problem of ammeter open circuit and even short circuit burnout is caused; therefore, the existing requirements are not met, and an outer frame structure of the single-phase intelligent electric meter is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single-phase smart electric meter's outer frame construction to the frame that proposes current single-phase smart electric meter among the solution above-mentioned background art lets dust and rainwater enter into the circuit board easily at the in-process that uses, leads to the ammeter to open circuit or even the problem that the short circuit burns out.

In order to achieve the above object, the utility model provides a following technical scheme: an outer frame structure of a single-phase smart electric meter comprises a shell, wherein a display screen is arranged inside the shell, a control panel is arranged below the display screen, a digital key is arranged on the outer wall of the control panel, a control key is arranged on one side of the digital key, a reset key is arranged on one side of the control key, an IC card induction sheet is arranged on one side of the display screen, a bottom shell is arranged below the shell, a trapezoidal groove is formed in one side of the bottom shell, a network interface is arranged below the trapezoidal groove, a rectangular groove is formed below the network interface, a wiring board is arranged on one side of the rectangular groove, a wiring jack is arranged inside the wiring board, a fixed table is arranged below the wiring board, a heat dissipation groove is arranged above the bottom shell, a circuit board is arranged below the heat dissipation groove, and an input end interface is arranged inside the circuit board, the inside of drain pan is provided with fastening screw hole, one side of fastening screw hole is provided with the mounting hole, one side of mounting hole is provided with the seal groove, one side of seal groove is provided with a supporting bench, the inside of supporting bench is provided with the instrument fixed orifices, one side of instrument fixed orifices is provided with the backup pad.

Preferably, the housing is in threaded connection with the bottom shell.

Preferably, the heat dissipation grooves are provided with a plurality of heat dissipation grooves which are closely distributed above the bottom shell.

Preferably, the number of the mounting holes is four, and the four mounting holes are symmetrical about a vertical center line of the bottom case.

Preferably, the display screen and the control panel are both connected with the shell through screws.

Preferably, the input end interfaces are provided with a plurality of interfaces, and the input end interfaces are closely distributed in the circuit board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up the seal groove, can make shell and drain pan carry out threaded connection back can not produce the gap, avoid dust or water to get into shell inside to the end and adsorb on the surface of circuit board, prevent that the circuit board from taking place the danger of opening circuit or short circuit, great improvement smart electric meter's security performance.

2. Through setting up the fixed station, can make smart electric meter install on outside support or crossbeam, the smart electric meter's of increase installation environment makes smart electric meter can detect the safety and the in service behavior of more circuits.

3. Through setting up the radiating groove, the heat to the inside production of smart electric meter that can be timely dispels the heat, avoids under long-time high temperature, and the circuit board takes place the short circuit and burns out the ammeter, avoids shell and drain pan to produce simultaneously and warp because the softening.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an overall side view of the present invention;

fig. 3 is an overall plan view of the present invention;

fig. 4 is a schematic view of the internal structure of the bottom casing of the present invention.

In the figure: 1. a housing; 2. a display screen; 3. an IC card sensing chip; 4. a control panel; 5. a number key; 6. a control key; 7. a reset key; 8. a bottom case; 801. mounting holes; 802. a set screw hole; 803. a support table; 804. an instrument fixing hole; 805. a support plate; 806. a sealing groove; 9. a heat sink; 10. a fixed table; 11. a circuit board; 12. an input port interface; 13. a trapezoidal groove; 14. a network interface; 15. a rectangular groove; 16. a wiring board; 17. and a wiring jack.

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.

Referring to fig. 1-4, the present invention provides an embodiment: an outer frame structure of a single-phase smart meter comprises a shell 1, wherein a display screen 2 is arranged inside the shell 1 and can clearly display the index and the result of detection, a control panel 4 is arranged below the display screen 2 and can control the detection function of the smart meter, the outer wall of the control panel 4 is provided with a number key 5, one side of the number key 5 is provided with a control key 6, one side of the control key 6 is provided with a reset key 7 which can reduce the phenomenon that the smart meter is not burnt out by a circuit in long-time use, one side of the display screen 2 is provided with an IC card induction sheet 3 which can induce the information and the parameters inside an IC card, a bottom shell 8 is arranged below the shell 1, one side of the bottom shell 8 is provided with a trapezoidal groove 13 which can reduce the weight of the bottom shell 8 and is more convenient for pouring the bottom shell 8, and a network interface 14 is arranged below the trapezoidal groove 13, the intelligent ammeter detection device has the advantages that the operation and parameter setting of the intelligent ammeter can be controlled by a computer, the rectangular groove 15 is arranged below the network interface 14, the wiring board 16 is arranged on one side of the rectangular groove 15, the wiring jack 17 is arranged inside the wiring board 16, a circuit can be connected into external devices or instruments, the fixed table 10 is arranged below the wiring board 16, the heat dissipation groove 9 is arranged above the bottom shell 8, heat generated inside the intelligent ammeter can be dissipated timely, the phenomenon that the circuit board is broken or disconnected due to high temperature is avoided, the circuit board 11 is arranged below the heat dissipation groove 9, the input end interface 12 is arranged inside the circuit board 11, the intelligent ammeter can detect the using conditions of a plurality of external instruments or equipment, the fastening screw hole 802 is arranged inside the bottom shell 8, and the shell 1 and the bottom shell 8 can be firmly fixed together, fastening screw hole 802's one side is provided with mounting hole 801, can make smart electric meter firmly fix in wall hole or on the external support, one side of mounting hole 801 is provided with seal groove 806, can place the inside that the sealing washer made dust and water not get into smart electric meter, one side of seal groove 806 is provided with brace table 803, brace table 803's inside is provided with instrument fixed orifices 804, can be the inside of fixing at drain pan 8 that detecting instrument is firmly, one side of instrument fixed orifices 804 is provided with backup pad 805, can play certain fixed effect to detecting instrument, prevents to take place the displacement at the in-process of long-time use.

Further, shell 1 and drain pan 8 threaded connection can make shell 1 and drain pan 8 firmly fixed together, avoid taking place the displacement and produce the gap and make dust or water adsorb on the circuit board, lead to the circuit board to open circuit or short circuit.

Further, radiating groove 9 is provided with a plurality of, and a plurality of radiating groove 9 closely distributes in the top of drain pan 8, can make the heat in the smart electric meter obtain timely scattering and disappearing, avoids the higher instrument circuit board that leads to of temperature to burn out, prevents that shell and drain pan from softening and producing simultaneously and going to deform.

Further, four mounting holes 801 are arranged, and the four mounting holes 801 are symmetrical about the vertical center line of the bottom shell 8, so that the intelligent electric meter can be firmly fixed in a wall hole or on an external support, the anti-vibration strength of the electric meter is enhanced, and the intelligent electric meter is prevented from being displaced or falling off when being subjected to vibration.

Furthermore, display screen 2, control panel 4 all with 1 screw connection of shell, can make display screen 2, control panel 4 firmly fix on the shell, avoid taking place the skew in long-term use, lead to the ammeter measuring precision to change.

Further, input interface 12 is provided with a plurality of, and a plurality of input interface 12 closely distributes in the inside of circuit board 11, and improvement smart electric meter's that can be great detection range improves smart electric meter's integration simultaneously, makes it better combine all the other equipment to accomplish systematic detection.

The working principle is as follows: during the use, at first place smart electric meter's detecting instrument on the backup pad 805 of drain pan 8, it connects to use set screw to pass the instrument fixed orifices 804 of brace table 803, then place the sealing washer in seal groove 806, interface connection to detecting instrument of display screen 2 and control panel 4, then cover shell 1 in the top of drain pan 8, it fixes to use fastening screw, then place the smart electric meter frame that has installed in the wall opening, it fixes to pass set screw mounting hole 801 and wall, or place smart electric meter's frame on naked support or crossbeam, it fixes to use the screw to pass fixed station 10, insert the circuit installation process in input interface 12 and wiring jack 17 with the external line at last.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a single-phase smart electric meter's outer frame construction, includes shell (1), its characterized in that: the display screen (2) is arranged in the shell (1), the control panel (4) is arranged below the display screen (2), the numerical keys (5) are arranged on the outer wall of the control panel (4), the control key (6) is arranged on one side of each numerical key (5), the reset key (7) is arranged on one side of each control key (6), the IC card induction sheet (3) is arranged on one side of the display screen (2), the bottom shell (8) is arranged below the shell (1), the trapezoidal groove (13) is arranged on one side of the bottom shell (8), the network interface (14) is arranged below the trapezoidal groove (13), the rectangular groove (15) is arranged below the network interface (14), the wiring board (16) is arranged on one side of the rectangular groove (15), the wiring jack (17) is arranged in the wiring board (16), the fixing table (10) is arranged below the wiring board (16), the top of drain pan (8) is provided with radiating groove (9), the below of radiating groove (9) is provided with circuit board (11), the inside of circuit board (11) is provided with input interface (12), the inside of drain pan (8) is provided with fastening screw hole (802), one side of fastening screw hole (802) is provided with mounting hole (801), one side of mounting hole (801) is provided with seal groove (806), one side of seal groove (806) is provided with brace table (803), the inside of brace table (803) is provided with instrument fixed orifices (804), one side of instrument fixed orifices (804) is provided with backup pad (805).

2. The external frame structure of a single-phase smart meter of claim 1, wherein: the shell (1) is in threaded connection with the bottom shell (8).

3. The external frame structure of a single-phase smart meter of claim 1, wherein: the heat dissipation grooves (9) are provided with a plurality of heat dissipation grooves (9), and the plurality of heat dissipation grooves (9) are closely distributed above the bottom shell (8).

4. The external frame structure of a single-phase smart meter of claim 1, wherein: the number of the mounting holes (801) is four, and the four mounting holes (801) are symmetrical with respect to a vertical center line of the bottom case (8).

5. The external frame structure of a single-phase smart meter of claim 1, wherein: the display screen (2) and the control panel (4) are connected with the shell (1) through screws.

6. The external frame structure of a single-phase smart meter of claim 1, wherein: the input end interface (12) is provided with a plurality of, and a plurality of input end interfaces (12) closely distribute in the inside of circuit board (11).

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