CN214122322U - Multifunctional network power device - Google Patents

Abstract

The utility model discloses a multifunctional network power device, current-voltage sampling module, MCU control module, communication module, display module, input module, export module and shell, current-voltage sampling module's input and MCU control module are connected, MCU control module's output and display module are connected, MCU control module's output and communication module are connected, the shell is including the casing that is equipped with the thermovent, locate button on the casing, can dismantle and locate filter, regulation on the thermovent casing inclination's adjusting device, connection filter and casing connecting device, mount, with mount complex screw rod and connection the installation device of mount and casing, installation device is including locating pivot on the casing, locating stopper on the pivot tip, the output of pivot is connected to the MCU control module, the output of MCU control module is connected with communication module, The sliding groove is arranged on the fixing frame, and the locking assembly is used for locking the limiting block.

Description

Multifunctional network power device

Technical Field

The utility model belongs to the technical field of the electric power measurement, especially, relate to a multifunctional network power device.

Background

The digital display multifunctional network power meter can directly replace a conventional power transmitter, a measurement indicating meter, an electric energy metering meter and related auxiliary units. As an advanced intelligent and digital power grid front-end acquisition element, the element is widely applied to various control systems: the system has the advantages of convenient installation, simple wiring, convenient maintenance, small engineering quantity, programmable field setting of input parameters and capability of completing networking of different PLC and industrial control computer communication software in the industry. Most of the existing digital display multifunctional network electric power instruments are directly fixed in an electric power instrument cabinet through screws, and are very inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a multifunctional network power device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multifunctional network power device comprises a current and voltage sampling module, an MCU control module, a communication module, a display module, an input module, an outlet module and a shell, the input end of the current and voltage sampling module is connected with the MCU control module, the output end of the MCU control module is connected with the display module, the output end of the MCU control module is connected with the communication module, the shell comprises a shell with a heat dissipation port, a button arranged on the shell, a filter plate detachably arranged on the heat dissipation port, an adjusting device for adjusting the inclination angle of the shell, a connecting device for connecting the filter plate and the shell, a fixing frame, a screw rod matched with the fixing frame and a mounting device for connecting the fixing frame and the shell, the mounting device comprises a rotating shaft arranged on the shell, a limiting block arranged on the end part of the rotating shaft, a sliding groove arranged on the fixing frame and a locking assembly used for locking the limiting block; when the electric power device is installed, the fixing frame is fixed on the electric power cabinet through the screws, then the limiting blocks are aligned to the sliding grooves and pushed into the sliding grooves, and then the limiting blocks are locked through the locking assemblies to complete installation.

Preferably, the locking assembly comprises a mounting groove arranged on the limiting block, a locking elastic piece arranged in the mounting groove, a locking rod arranged on the end part of the locking elastic piece, a ball arranged on the locking rod, a locking hole arranged on the side wall of the sliding groove and an unlocking component; the limiting block slides in the sliding groove, and when the limiting block moves to the position where the locking rod is aligned with the locking hole, the locking elastic piece pushes the locking rod to be inserted into the locking hole, so that the limiting block is locked.

Preferably, the unlocking component comprises an installation plate arranged on the fixed frame, a connecting shaft arranged on the installation plate, an unlocking plate arranged on the connecting shaft, an unlocking rod arranged on the unlocking plate and a resetting piece arranged on the connecting shaft; when the power device needs to be disassembled, the unlocking plate is rotated, so that the unlocking rod is inserted into the positioning hole, the locking rod is pushed to be separated from the locking hole, and the limiting block is pulled out of the sliding groove, and the disassembly of the power device can be completed.

Preferably, the end of the chute is provided with an inclined surface.

Preferably, the current and voltage sampling module adopts an ADC metering chip.

Preferably, the display module adopts a liquid crystal screen.

To sum up, when installing electric power unit, fix the mount on the electric power cabinet through the screw earlier, then aim at the spout with the stopper to in pushing the stopper into the spout, the installation can be accomplished to rethread locking Assembly locking stopper.

Drawings

Fig. 1 is a schematic block diagram of fig. 1.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a schematic view of the engagement between the position-limiting rod and the positioning rod.

Fig. 5 is a schematic view of the housing cooperating with the filter plate.

Fig. 6 is an enlarged view of fig. 5 at a.

FIG. 7 is a schematic view of the shaft and the sleeve.

Detailed Description

As shown in fig. 1-7, a multifunctional network power device comprises a current and voltage sampling module, an MCU control module, a communication module, a display module, an input module, an output module and a housing, wherein the current and voltage sampling module is a metering chip integrated with a multi-channel high-precision 19-bit ADC, and the output end of the current and voltage sampling module is connected to the input end of the MCU control module; the MCU control module adopts a Cortex-M0 kernel 32-bit microcontroller chip and has the characteristics of wide working voltage and wide working temperature; the communication module adopts a 485 interface, uses an MODBUS protocol and is connected with the output end of the MCU control module; the display module can select nixie tube display or liquid crystal screen display; the outlet module has the functions of relay alarm output and analog quantity output, and external voltage and current are sampled and then data such as effective values of the voltage and the current of each path are obtained through internal operation of the metering chip. The MCU control module obtains voltage and current data in the metering chip through an SPI bus protocol, and is in communication with a driving chip of the communication module through a serial interface through key operation, and the driving chip of the communication module drives an external LCD/LED to display corresponding data. The outlet part circuit has the functions of a relay and analog quantity output, can be associated with various electric parameter data or receive a communication signal of an upper computer through a 485 module circuit for control, and can meet the requirements under various conditions.

Specifically, the shell comprises a shell body 11, a button 12, a filter plate 13, a fixing frame 15, a screw 16, a mounting device, an adjusting device and a connecting device, wherein the top of the shell body 11 is provided with a heat dissipation port; the filter plate 13 is uniformly provided with a plurality of heat dissipation holes 131 which are connected with the shell through a connecting device; the screw 16 is screwed on the fixed frame; further, the connecting device comprises a connecting groove 21, a connecting plate 22, a second elastic piece 23, a through groove 25 and a pressing plate 24, wherein the connecting groove 21 is formed in the inner wall of the heat dissipation opening; the connecting plate 22 is fixed on the side wall of the filter plate; the through groove 25 is formed in the top of the shell, is communicated with the connecting groove and can be used for the connecting plate to pass through; the second elastic element 23 is a spring which is uniformly arranged in the connecting groove; the pressure plate 24 is fixed to the end of the second elastic member.

Specifically, the mounting device comprises a rotating shaft 32, a limiting block 41, a sliding groove 42 and a locking assembly, wherein one end of the rotating shaft is rotatably connected to the shell; the limiting block 41 is fixed on the end part of the rotating shaft; the sliding groove 42 is arranged on the fixed frame, the limiting block can be just clamped and slid in the sliding groove, and the end part of the sliding groove is provided with an inclined surface; the locking assembly comprises a mounting groove 43, a locking elastic piece 44, a locking rod 45, a ball 46, a locking hole 47, a mounting plate 48, a connecting shaft 49, an unlocking plate 51, an unlocking rod 52 and a resetting piece 53, wherein the mounting groove 43 is formed in a limiting block; the locking elastic piece 44 is a spring, and one end of the locking elastic piece is fixed in the mounting groove; one end of the locking rod 45 is fixed on the end part of the locking elastic piece; the ball 46 is rotatably connected to the end of the locking rod; the locking hole 47 is formed in the side wall of the sliding chute and is used for inserting a locking rod; the mounting plate 48 is fixed on the fixing frame; two ends of the connecting shaft 49 are respectively and rotatably connected to the mounting plate; the unlocking plate 51 is fixed on the connecting shaft; the unlocking rod 52 is fixed on the unlocking plate; the reset piece 53 is a torsion spring which is sleeved on the connecting shaft, one torsion arm of the torsion spring is fixed on the connecting shaft, and the other torsion arm is fixed on the mounting plate.

Specifically, the adjusting device comprises a rotating shaft 32, a sleeve 33, a mounting hole 34, a first elastic piece 35, a top column 36, a first ball 37 and a clamping groove, wherein the rotating shaft 32 is symmetrically and rotatably connected to two sides of the shell; the sleeve 33 is fixed on the shell and just allows the end part of the rotating shaft to be inserted; the mounting holes 34 are uniformly formed in the rotating shaft; the first elastic piece 35 is a spring, and one end of the first elastic piece is fixed at the bottom of the mounting hole; the top pillar 36 is fixed on the end of the first elastic element; the first ball 37 is rotatably connected to the top column; the locking groove 331 is formed on the inner wall of the sleeve and can be used for the first ball to be locked in.

Claims (6)

1. The utility model provides a multifunctional network power device, current-voltage sampling module, MCU control module, communication module, display module, input module, export module and shell, current-voltage sampling module's input is connected with MCU control module, MCU control module's output is connected with display module, MCU control module's output is connected its characterized in that with communication module: the shell comprises a shell (11) with a heat dissipation opening, a button (12) arranged on the shell, a filter plate (13) arranged on the heat dissipation opening, an adjusting device for adjusting the inclination angle of the shell, a connecting device for connecting the filter plate and the shell, a fixing frame (15), a screw rod (16) matched with the fixing frame and a mounting device for connecting the fixing frame and the shell, wherein the mounting device comprises a rotating shaft (32) arranged on the shell, a limiting block (41) arranged on the end part of the rotating shaft, a sliding groove (42) arranged on the fixing frame and a locking assembly used for locking the limiting block.

2. A multifunction network power device as recited in claim 1, wherein: the locking assembly comprises a mounting groove (43) arranged on the limiting block, a locking elastic piece (44) arranged in the mounting groove, a locking rod (45) arranged at the end part of the locking elastic piece, a ball (46) arranged on the locking rod, a locking hole (47) arranged on the side wall of the sliding chute and an unlocking component.

3. A multifunction network power device as recited in claim 2, wherein: the unlocking component comprises a mounting plate (48) arranged on the fixing frame, a connecting shaft (49) arranged on the mounting plate, an unlocking plate (51) arranged on the connecting shaft, an unlocking rod (52) arranged on the unlocking plate and a reset piece (53) arranged on the connecting shaft.

4. A multifunction network power device as recited in claim 1, wherein: the tip of spout is equipped with the inclined plane.

5. A multifunction network power device as recited in claim 1, wherein: the current and voltage sampling module adopts an ADC metering chip.

6. A multifunction network power device as recited in claim 1, wherein: the display module adopts a liquid crystal screen.

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