Electric power metering device convenient to install

Abstract

The invention belongs to the technical field of electric power metering, particularly relates to an electric power metering device convenient to install, and aims to solve the problems that an existing electric power metering device cannot be quickly disassembled and assembled and cannot effectively prevent electricity stealing behaviors, and provides the following scheme that the electric power metering device comprises a shell, and a fixed back plate is fixedly inserted into one side of the shell; four locking pin rod grooves are formed in one side of the shell, four locking pin rods are fixed to one side of the fixing back plate, and the four locking pin rods are correspondingly inserted into the four locking pin rod grooves in position. A locking pin rod is inserted into a locking pin rod groove, when an extrusion column is in extrusion contact with the interior of the locking pin rod groove, a contact switch touch plate is separated from a contact switch, the contact switch is powered off, an electromagnet is powered off, a locking rod is popped out through the elastic force of a coil spring, the locking rod slides into a locking rod sliding groove, and the locking rod is locked. And after the locking rod ejects the locking rod stop block, the locking rod stop block rebounds to limit the locking rod, so that the shell is clamped in the fixed back plate.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power metering, and in particular to an electric power metering device which is easy to install. Background Art

[0002] The power metering device is a metering instrument used to measure and record the power generation, power supply (mutual supply), factory power consumption, line loss and user power consumption. The power metering device refers to the whole composed of power meters (active and reactive power meters, maximum demand meters, multi-rate power meters, etc.), metering transformers (including voltage transformers and current transformers) and secondary connecting wires. The commonly used power metering devices now realize the detection of power information in the circuit through the internal power metering monitoring module.

[0003] The existing power metering devices have the following problems: the wiring position of the existing power metering devices is located in an exposed state outside and is locked by a lock. This wiring method may lead to the occurrence of power theft. Electricity users can avoid the monitoring circuit by wiring themselves. The existing power metering devices cannot be quickly disassembled and effectively prevent power theft. The existing technology is not easy to solve such problems. Therefore, there is an urgent need for power metering devices that are easy to install to solve the above problems. Summary of the invention

[0004] Based on the technical problem that the current power metering device cannot be quickly disassembled and assembled and effectively prevent the theft of electricity, the present invention proposes a power metering device that is easy to install.

[0005] The present invention proposes an easy-to-install electricity metering device, including a shell, a fixed backplate is plugged and fixed on one side of the shell, four locking pin grooves are opened on one side of the shell, four locking pins are fixed on one side of the fixed backplate, the positions of the four locking pins are respectively plugged in corresponding to the positions of the four locking pin grooves, four power bus socket slots are opened on one side of the shell, power male plugs are fixed inside the four power bus socket slots, four power bus sockets are fixed on one side of the fixed backplate, the positions of the four power bus sockets are respectively plugged in corresponding to the positions of the four power bus socket slots, a monitoring box installation cavity is opened inside the shell, and conductive contacts are installed inside the power bus socket.

[0006] Preferably, an information panel is fixed on one side of the shell, and four power connection posts are fixed at the top position of the monitoring box installation cavity, and the four power connection posts are electrically connected to four power male plugs at the top position respectively.

[0007] Preferably, a sealing gasket is embedded and fixed at one side of the shell.

[0008] Preferably, an extrusion column slide groove is opened at the end of the locking pin rod, and an extrusion column is provided on the internal sliding sleeve of the extrusion column slide groove, and two limiting sliding rods are fixed to one end of the extrusion column, a middle plate is fixed inside the extrusion column slide groove, and the limiting sliding rod is installed with the middle plate sliding sleeve, and a contact switch touch plate is fixed to the other end of the limiting sliding rod, and a return spring is fixed between the extrusion column and the middle plate.

[0009] Preferably, a contact switch is fixed to one end of the middle plate, and the contact switch contact plate is in contact with the contact switch.

[0010] Preferably, a locking rod receiving groove is provided on the side wall of the locking pin rod, a locking rod is hingedly fixed to one end of the locking rod receiving groove, a coil spring is installed between the fixed axis of the locking rod and the locking rod receiving groove, and the locking rod is in an open state under the elastic force of the coil spring in a natural state.

[0011] Preferably, a magnet is embedded and fixed on the inner wall of the locking rod, and an electromagnet is fixed on the inner wall of the locking pin rod located at the locking rod storage groove, the electromagnet and the magnet attract each other when energized, and the electromagnet is electrically connected to the contact switch through a wire, a driving motor is fixed inside the locking pin rod, and a rope pull roller is fixed inside the locking pin rod through a bearing, a rope pull roller is wound around the outer wall of the rope pull roller, one end of the rope pull roller is fixed to one side of the locking rod, and a gear set is installed between the output shaft of the driving motor and the rotating shaft of the rope pull roller.

[0012] Preferably, a locking rod slot is provided on the side wall of the shell located at the locking pin rod slot, a slot is provided on the inner wall of the locking rod slot, and a locking rod stop block is slidably installed in the slot, a limiting spring is fixed between the locking rod stop block and the inner wall of the slot, a pressing block is embedded in the side wall of the shell, a wire is fixed inside the pressing block, and the wire is fixed to one end of the locking rod stop block.

[0013] Preferably, a protection box is fixed inside the shell, and four through holes distributed in an array are opened at the bottom of the protection box, a nozzle fixing plate is fixed to the inner wall of the bottom of the protection box, four nozzles are fixed to the bottom of the nozzle fixing plate, and the four nozzles are respectively stuck in the four through holes, a dry powder canister is fixed inside the protection box, an electromagnetic control valve is fixed on the top of the nozzle fixing plate, a conduit is fixed between the feed end of the electromagnetic control valve and the dry powder canister, and the discharge end of the electromagnetic control valve is connected to the four nozzle fixing plates at the bottom.

[0014] The beneficial effects of the present invention are: The electric power metering device which is easy to install has the advantages that during the process of inserting and fixing the shell, the locking pin rod is inserted into the locking pin rod groove, when the extrusion column is squeezed and contacted with the locking pin rod groove, the contact switch contact plate is separated from the contact switch, the contact switch is powered off, and the electromagnet is also powered off, the locking rod is ejected by the elastic force of the coil spring, the locking rod slides to the locking rod sliding groove, and after the locking rod pushes the locking rod stop block, the locking rod stop block rebounds to limit the locking rod, so that the shell is stuck inside the fixed back plate.

[0015] The electric power metering device is easy to install. When disassembling the shell, the pressing block on the side wall of the shell is pressed inward, each locking rod stop block is pulled back by drawing, and the driving motor drives the pull rope roller to retract the locking rod into the locking rod storage groove, and the shell is pulled out to realize the disassembly of the electric power metering device.

[0016] The electric power metering device is easy to install. During the working process of the electric power metering device, the electromagnetic control valve inside the protection device monitors the inside of the electric power metering device. When the temperature inside rises sharply and smoke particles are detected, it is detected as a fire state. The electromagnetic control valve sprays the dry powder in the dry powder tank through the nozzle at the bottom to extinguish the fire inside and prevent the fire from spreading. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the position of one side of the overall structure of an electric power metering device that is easy to install proposed by the present invention; Figure 2 A schematic diagram of the position of the other side of the overall structure of an electric power metering device that is easy to install proposed by the present invention; Figure 3 A schematic diagram of the internal structure of a locking pin rod of an electric power metering device that is easy to install proposed by the present invention; Figure 4 A schematic diagram of the internal structure of a locking pin slot of an electric power metering device that is easy to install proposed by the present invention; Figure 5 An electric power metering device that is easy to install is proposed by the present invention Figure 4 A schematic diagram of the enlarged structure of part A; Figure 6 A schematic diagram of the position of one side of the housing internal structure of an electric power metering device that is easy to install proposed by the present invention; Figure 7 A schematic diagram of the other side of the internal structure of the housing of an electric power metering device that is easy to install proposed by the present invention; Figure 8 A schematic diagram of the internal structure of a protection box of an electric power metering device that is easy to install proposed by the present invention.

[0018] In the figure: 1. Shell; 2. Fixed back plate; 3. Locking pin; 4. Power mother socket; 5. Conductive contact; 6. Power mother socket slot; 7. Power male plug; 8. Locking pin slot; 9. Sealing gasket; 10. Pull rope; 11. Pull rope roller; 12. Extrusion column slide groove; 13. Extrusion column; 14. Reset spring; 15. Limit slide rod; 16. Contact switch; 17. Contact switch touch plate; 18. Coil spring; 19. Locking rod; 20. Magnet; 21. Drive motor; 22. Locking rod storage groove; 23. Electromagnet; 24. Locking rod slide groove; 25. Locking rod stop block; 26. Limit spring; 27. Information panel; 28. Protection box; 29. ​​Power connection column; 30. Monitoring box installation cavity; 31. Dry powder tank; 32. Solenoid control valve; 33. Nozzle fixing plate. DETAILED DESCRIPTION

[0019] Reference Figure 1-Figure 8 , an easy-to-install electricity metering device, including a shell 1, a fixed back plate 2 is plugged and fixed on one side of the shell 1, four locking pin grooves 8 are opened on one side of the shell 1, four locking pins 3 are fixed on one side of the fixed back plate 2, and the positions of the four locking pin grooves 8 are respectively plugged in correspondingly, four power mother socket slots 6 are opened on one side of the shell 1, and power male plugs 7 are fixed inside the four power mother socket slots 6, four power mother sockets 4 are fixed on one side of the fixed back plate 2, and the positions of the four power mother sockets 4 are respectively plugged in correspondingly to the positions of the four power mother socket slots 6, a monitoring box installation cavity 30 is opened inside the shell 1, and conductive contacts 5 are installed inside the power mother sockets 4; the cables entering the house are electrically connected to the conductive contacts 5 in the two top power mother sockets 4, and the cables used for indoor electricity are electrically connected to the conductive contacts 5 in the two bottom power mother sockets 4.

[0020] Furthermore, an information panel 27 is fixed on one side of the shell 1, and four power poles 29 are fixed at the top position of the monitoring box installation cavity 30, and the four power poles 29 are electrically connected to the four power male plugs 7 at the top position respectively; the power metering monitoring module is fixed in the monitoring box installation cavity 30.

[0021] Furthermore, a sealing gasket 9 is embedded and fixed at one side of the shell 1 ; when the shell 1 and the fixed back plate 2 are installed, the contact position is sealed by the sealing gasket 9 .

[0022] Furthermore, an extrusion column slot 12 is provided at the end of the locking pin rod 3, and an extrusion column 13 is provided on the internal sliding sleeve of the extrusion column slot 12. Two limit slide rods 15 are fixed to one end of the extrusion column 13. A middle plate is fixed to the inside of the extrusion column slot 12, and the limit slide rod 15 is installed with the middle plate sliding sleeve, and a contact switch touch plate 17 is fixed to the other end of the limit slide rod 15, and a return spring 14 is fixed between the extrusion column 13 and the middle plate.

[0023] Furthermore, a contact switch 16 is fixed to one end of the middle plate, and a contact switch contact plate 17 is in contact with the contact switch 16 .

[0024] Furthermore, a locking rod receiving groove 22 is opened on the side wall of the locking pin rod 3, and a locking rod 19 is hingedly fixed to one end of the locking rod receiving groove 22. A coil spring 18 is installed between the fixed axis of the locking rod 19 and the locking rod receiving groove 22. The locking rod 19 is in an open state under the elastic force of the coil spring 18 in a natural state.

[0025] Furthermore, a magnet 20 is embedded and fixed on the inner wall of the locking rod 19, and an electromagnet 23 is fixed on the inner wall of the locking pin rod 3 located in the locking rod storage groove 22. The electromagnet 23 and the magnet 20 attract each other when energized, and the electromagnet 23 is electrically connected to the contact switch 16 through a wire. A driving motor 21 is fixed inside the locking pin rod 3, and a rope pull roller 11 is fixed inside the locking pin rod 3 through a bearing. A rope pull 10 is wound around the outer wall of the rope pull roller 11, and one end of the rope pull 10 is fixed to one side of the locking rod 19. A gear set is installed between the output shaft of the driving motor 21 and the rotating shaft of the rope pull roller 11.

[0026] Furthermore, a locking rod slot 24 is provided on the side wall of the shell 1 located at the locking pin rod groove 8, a slot is provided on the inner wall of the locking rod slot 24, and a locking rod stop block 25 is slidably installed in the slot, a limiting spring 26 is fixed between the locking rod stop block 25 and the inner wall of the slot, and a pressing block is embedded in the side wall of the shell 1, a wire is fixed inside the pressing block, and the wire is fixed to one end of the locking rod stop block 25; in work that requires disassembly, the pressing block is pressed inward, and each locking rod stop block 25 is pulled back by the wire drawing, so that the locking rod 19 is in a movable state.

[0027] Furthermore, a protection box 28 is fixed inside the shell 1, and four array-distributed through holes are opened at the bottom of the protection box 28. A nozzle fixing plate 33 is fixed to the inner wall of the bottom of the protection box 28. Four nozzles are fixed to the bottom of the nozzle fixing plate 33, and the four nozzles are respectively stuck in the four through holes. A dry powder tank 31 is fixed inside the protection box 28, and an electromagnetic control valve 32 is fixed on the top of the nozzle fixing plate 33. A conduit is fixed between the feed end of the electromagnetic control valve 32 and the dry powder tank 31, and the discharge end of the electromagnetic control valve 32 is connected to the four nozzle fixing plates 33 at the bottom; the electromagnetic control valve 32 in the protection box 28 monitors the interior of the power metering device. When the internal temperature rises sharply and smoke particles are detected, it is detected as a fire state. The electromagnetic control valve 32 sprays the dry powder in the dry powder tank through the nozzle at the bottom to extinguish the fire inside and prevent the fire from spreading.

[0028] When the present invention is used: the shell 1 and the fixed back plate 2 are split, the fixed back plate 2 is first fixed, and the fixed back plate 2 is fixed to the wall by bolts, and the cables entering the house are electrically connected to the conductive contacts 5 in the two power mother sockets 4 at the top, and the cables used for indoor electricity are electrically connected to the conductive contacts 5 in the two power mother sockets 4 at the bottom. At this time, the two power mother sockets 4 at the top and the two power mother sockets 4 at the bottom are in a disconnected state, and the installer fixes the power metering monitoring module in the monitoring box installation cavity 30, and connects the wiring of the power metering monitoring module to the top power connection column 29, and connects the power metering monitoring module to the information panel 27, and then inserts the integral fixed back plate 2 of the shell 1, inserts the power mother socket 4 into the power mother socket slot 6, and the power male plug 7 contacts the conductive contact 5 for electrical conduction, and the internal passage of the entire power metering device realizes information monitoring and metering of the circuit; During the process of inserting and fixing the housing 1, the locking pin 3 is inserted into the locking pin slot 8. When the extrusion column 13 is pressed and contacted with the locking pin slot 8, the contact switch contact plate 17 is separated from the contact switch 16, and the contact switch 16 is powered off, which also makes the electromagnet 23 powered off. The locking rod 19 is ejected by the elastic force of the coil spring 18, and the locking rod 19 slides to the locking rod slot 24. After the locking rod 19 pushes the locking rod stop block 25, the locking rod stop block 25 rebounds to limit the locking rod 19, so that the housing 1 is stuck in the fixed back plate 2. When disassembling the housing 1, the pressing block on the side wall of the housing 1 is pressed inward, and each locking rod stopper 25 is pulled back by drawing, and the driving motor 21 drives the pull rope roller 11 to retract the locking rod 19 into the locking rod storage groove 22, and the housing 1 is pulled out to realize the disassembly of the power metering device; During the operation of the power metering device, the electromagnetic control valve 32 in the protection box 28 monitors the interior of the power metering device. When the internal temperature rises sharply and smoke particles are detected, it is detected as a fire state. The electromagnetic control valve 32 sprays the dry powder in the dry powder tank through the nozzle at the bottom to extinguish the fire inside and prevent the fire from spreading.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An easy-to-install electric power metering device, comprising a housing (1), characterized in that: A fixed back plate (2) is plugged and fixed on one side of the shell (1), four locking pin slots (8) are provided on one side of the shell (1), four locking pins (3) are fixed on one side of the fixed back plate (2), the positions of the four locking pins (3) are plugged in corresponding to the positions of the four locking pin slots (8), four power bus socket slots (6) are provided on one side of the shell (1), power male plugs (7) are fixed inside the four power bus socket slots (6), four power bus sockets (4) are fixed on one side of the fixed back plate (2), the positions of the four power bus sockets (4) are plugged in corresponding to the positions of the four power bus socket slots (6), a monitoring box installation cavity (30) is provided inside the shell (1), and a conductive contact piece (5) is installed inside the power bus socket (4).

2. The easy-to-install power metering device according to claim 1, characterized in that: An information panel (27) is fixed to one side of the housing (1), and four power connection posts (29) are fixed to the top of the monitoring box installation cavity (30), and the four power connection posts (29) are electrically connected to four power male plugs (7) at the top, respectively.

3. The easy-to-install power metering device according to claim 1, characterized in that: A sealing gasket (9) is embedded and fixed at one side of the housing (1).

4. The easy-to-install power metering device according to claim 1, characterized in that: The end of the locking pin (3) is provided with an extrusion column slot (12), the interior of the extrusion column slot (12) is slidably sleeved with an extrusion column (13), one end of the extrusion column (13) is fixed with two limit slide bars (15), a middle plate is fixed inside the extrusion column slot (12), and the limit slide bars (15) are slidably sleeved and installed with the middle plate, the other end of the limit slide bars (15) is fixed with a contact switch touch plate (17), and a return spring (14) is fixed between the extrusion column (13) and the middle plate.

5. The easy-to-install electric power metering device according to claim 4, characterized in that: A contact switch (16) is fixed to one end of the middle plate, and the contact switch contact plate (17) is in contact with the contact switch (16).

6. The easy-to-install electric power metering device according to claim 5, characterized in that: A locking rod receiving groove (22) is formed on the side wall of the locking pin rod (3); a locking rod (19) is hingedly fixed to one end of the locking rod receiving groove (22); a coil spring (18) is installed between the fixed axis of the locking rod (19) and the locking rod receiving groove (22); the locking rod (19) is in an open state under the elastic force of the coil spring (18) in a natural state.

7. The easy-to-install electric power metering device according to claim 6, characterized in that: A magnet (20) is embedded and fixed on the inner wall of the locking rod (19); an electromagnet (23) is fixed on the inner wall of the locking rod storage groove (22) of the locking pin rod (3); the electromagnet (23) and the magnet (20) attract each other when energized, and the electromagnet (23) is electrically connected to the contact switch (16) through a wire; a driving motor (21) is fixed inside the locking pin rod (3); a rope pull roller (11) is fixed inside the locking pin rod (3) through a bearing; a rope pull (10) is wound around the outer wall of the rope pull roller (11); one end of the rope pull roller (10) is fixed to one side of the locking rod (19); and a gear set is installed between the output shaft of the driving motor (21) and the rotating shaft of the rope pull roller (11).

8. The easy-to-install electric power metering device according to claim 6, characterized in that: The housing (1) is provided with a locking rod slot (24) on the side wall of the locking pin slot (8), the inner wall of the locking rod slot (24) is provided with a slot, and a locking rod stopper (25) is slidably installed in the slot, a limit spring (26) is fixed between the locking rod stopper (25) and the inner wall of the slot, a pressing block is embedded in the side wall of the housing (1), a wire is fixed inside the pressing block, and the wire is fixed to one end of the locking rod stopper (25).

9. The easy-to-install electric power metering device according to claim 1, characterized in that: A protection box (28) is fixed inside the shell (1), and the bottom of the protection box (28) is provided with four through holes distributed in an array. A nozzle fixing plate (33) is fixed to the inner wall of the bottom of the protection box (28), and four nozzles are fixed to the bottom of the nozzle fixing plate (33), and the four nozzles are respectively stuck in the four through holes. A dry powder tank (31) is fixed inside the protection box (28), and an electromagnetic control valve (32) is fixed on the top of the nozzle fixing plate (33). A conduit is fixed between the feed end of the electromagnetic control valve (32) and the dry powder tank (31), and the discharge end of the electromagnetic control valve (32) is in conduction with the four nozzle fixing plates (33) at the bottom.

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