CN114113721B - Smart electric meter with electric leakage prompt facility - Google Patents
Smart electric meter with electric leakage prompt facility Download PDFInfo
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- CN114113721B CN114113721B CN202111460622.9A CN202111460622A CN114113721B CN 114113721 B CN114113721 B CN 114113721B CN 202111460622 A CN202111460622 A CN 202111460622A CN 114113721 B CN114113721 B CN 114113721B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 107
- 239000000523 sample Substances 0.000 claims abstract description 59
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 20
- 230000005291 magnetic effect Effects 0.000 claims description 71
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 13
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 230000005674 electromagnetic induction Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002907 paramagnetic material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a smart electric meter with a leakage prompt function, which comprises an electric meter shell, wherein a state display disc is fixedly arranged on the front end surface of the electric meter shell, an electric meter groove is formed in the electric meter shell, an electric meter main body is fixedly arranged in the electric meter groove, a monitoring groove is further formed in the electric meter groove, a monitoring solenoid is fixedly connected in the monitoring groove, the monitoring solenoid is communicated with two ends of the inner wall of the monitoring groove, a state probe is further rotationally connected in the electric meter groove, the state probe is positioned at one end of the monitoring solenoid, the state probe is in driving connection with the state display disc, the state display disc is matched with the state display disc, when leakage occurs in the electric meter groove, current is generated at two ends of the inner wall of the monitoring groove, and then flows in the monitoring solenoid, a corresponding electromagnetic field is generated through the monitoring solenoid, and the electromagnetic field drives the state probe to deflect, so that the state display disc is driven to rotate and display a corresponding state.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a smart electric meter with a leakage prompt function.
Background
The electric energy meter is a meter for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities, and when the electric energy meter is used, attention is paid, and under the condition of low voltage (not more than 500V) and small current (tens of amperes), the electric energy meter can be directly connected into a circuit for measurement. Under the condition of high voltage or high current, the electric energy meter cannot be directly connected into a circuit, and the electric energy meter is matched with a voltage transformer or a current transformer for use.
The invention discloses an ammeter with an electric leakage prompting function, which comprises an ammeter main body, a down lamp, a connecting wire and an electric leakage sensor, wherein a display panel is embedded in the front surface of the ammeter main body, two sides of the ammeter main body are welded with upper fixing plates, a lower fixing plate is arranged below the upper fixing plate, the down lamp is arranged below the display panel, and the down lamp is connected with the ammeter main body through the embedded arrangement.
The existing ammeter is easy to age at the wiring end after long-term use, and because the influence of environmental factors all has the risk of electric leakage, and the protective housing of ammeter is mostly metal very easily electrically conductive, and operating personnel can't discover the contact casing and can lead to electric shock phenomenon when electric leakage, detects the cost too high through the sensor, and electronic equipment also easily ages and need frequent maintenance and change, and the maintenance cost is also higher.
Therefore, it is necessary to provide a smart meter with a leakage prompt function to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a smart electric meter with a leakage prompt function so as to solve the technical problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a smart electric meter with electric leakage prompt facility, includes the ammeter casing, the preceding terminal surface fixed mounting of ammeter casing has the status display dish, ammeter groove has been seted up to the inside of ammeter casing, ammeter main part is fixedly mounted in ammeter groove's inside, monitoring groove has still been seted up to the inside in ammeter groove, monitoring inslot fixedly connected with monitoring solenoid, monitoring solenoid is linked together with monitoring inslot wall both ends, the inside still rotation of ammeter groove is connected with status probe, status probe is located monitoring solenoid's one end, status probe drive is connected with the status display dish, status display dish looks adaptation,
when electric leakage occurs in the ammeter groove, current is generated at two ends of the inner wall of the monitoring groove, then the current flows in the monitoring solenoid, and corresponding electromagnetic fields are generated through the monitoring solenoid and drive the state probes to deflect, so that the state indicating disc is driven to rotate and display corresponding states.
When the electric leakage occurs in the electric meter groove, the electric meter shell is a metal shell, and corresponding potential differences are generated at two ends of the inner wall of the monitoring groove, so that current circulates in the monitoring solenoid, the monitoring solenoid generates corresponding electromagnetic fields through the electromagnetic induction principle, the electromagnetic fields drive the state probes to deflect, the state indicating disc is driven to rotate through the deflection of the state probes, and the state indicating disc is driven to rotate and display corresponding states.
As a further scheme of the invention, the middle parts of the ammeter shell and the monitoring groove are embedded with insulating embedded layers.
When the electric meter is in specific use, the electric meter shell is relatively isolated from the two sides of the monitoring groove through the insulating embedded layer, and the electric meter shell is connected with the wall body or the ground, when electric leakage occurs in the electric meter groove, the insulating embedded layer is used for insulating and isolating the electric leakage potential from one side of the two sides of the insulating embedded layer, and the grounding state is adopted from one side of the two sides of the insulating embedded layer, so that the two ends of the monitoring solenoid are provided with higher potential differences, the monitoring solenoid is driven to generate a magnetic field, the potential differences between the monitoring solenoids are prevented from being lower, the magnetic field strength is weaker, and the state probe cannot be driven to deflect.
As a further scheme of the invention, the inside of the monitoring solenoid is embedded with a reinforced magnetic core, two ends of the reinforced magnetic core are fixedly connected with insulating cushions, and the reinforced magnetic core is fixedly connected with the inner wall of the ammeter groove through the insulating cushions.
When the magnetic core is specifically used, paramagnetic materials such as iron or nickel are adopted for the reinforced magnetic core, the reinforced magnetic core is arranged inside the monitoring solenoid, so that magnetic force at two ends of the monitoring solenoid is enhanced, and the traction capacity of the monitoring solenoid to the state probe is improved.
As a further scheme of the invention, a magnetic sheet is embedded at one end of the state probe, which is attached to the monitoring solenoid.
When the magnetic field direction of the monitoring solenoid is changed continuously, the magnetic sheet changes along with the magnetic field direction of the monitoring solenoid to generate corresponding traction force or repulsive force, so as to drive the state probe to swing reciprocally.
As a further scheme of the invention, one end of the state probe, which is far away from the magnetic sheet, is fixedly connected with a rotating rod, the lower end face of the rotating rod is rotationally connected with a first rotating shaft, one end of the first rotating shaft, which is far away from the rotating rod, is rotationally connected with the inner wall of the ammeter groove, the upper end face of the rotating rod is rotationally sleeved with a connecting ring, and the upper end face of the connecting ring is fixedly connected with a state indicating disc.
When the electric meter is specifically used, the rotating rod is driven to rotate through the swinging of the state probe, and the connecting ring is driven to rotate through the rotation of the rotating rod, so that the state indicating disc rotates, the state indicating disc changes in the state displaying disc, and the electric leakage phenomenon exists in the electric meter shell.
As a further scheme of the invention, a tooth slot is embedded at one end of the connecting ring, which is away from the state indicating disc, and the outer end surface of the rotating rod is rotationally connected with a driving toothed plate, one end of the driving toothed plate, which is away from the rotating rod, is meshed with the tooth slot, an elastic pressing sheet is embedded at the outer end of the rotating rod, the elastic pressing sheet is attached to the driving toothed plate, and the elastic pressing sheet elastically presses the driving toothed plate to keep meshed with the tooth slot.
When the automatic electric leakage monitoring device is specifically used, when the rotating rod rotates, the driving toothed plate is driven to rotate, the connecting ring is driven to rotate through the meshing of the driving toothed plate and the tooth grooves, when alternating current is fed into the monitoring solenoid, the state probe swings and rotates reciprocally to drive the rotating rod to rotate reciprocally, the driving toothed plate is always meshed with the tooth grooves under the action of elastic tabletting, the connecting ring is continuously driven to rotate unidirectionally under the action of the driving toothed plate, and then the state indicating disc displays different electric leakage states.
As a further scheme of the invention, a third rotating shaft is arranged in the middle of the state indicating disc, the state indicating disc is rotationally connected in the state indicating disc through the third rotating shaft, the upper surface of the state indicating disc is divided into a safety display area, a first display area and a second display area, the state indicating disc is provided with a window matched with the safety display area, the first display area is positioned at two sides of the safety display area, the second display area is positioned at one side of the first display area deviating from the safety display area, a limiting rod is fixedly connected at the joint of the second display area and the first display area, and a shielding part matched with the limiting rod is arranged in the state indicating disc.
When the electric meter is specifically used, the internal display state of the state indication disc can be seen to be a safe display area through the state indication disc under normal conditions, when the electric meter is in a slot, the electric leakage phenomenon exists, if the electric meter is in direct current, the state indication disc is unidirectional due to the fact that a magnetic field generated by a monitoring solenoid direct current is generated, the state probe is deflected only once, and then the state indication disc rotates along with the state probe, so that the display state of the state indication disc can be seen to be a first display area through the state indication disc, if the electric meter is in alternating current, the state indication disc generates a variable magnetic field with variable direction due to the fact that the monitoring solenoid is electrified, the state probe is subjected to reciprocating deflection, the state indication disc is driven to rotate continuously through a driving toothed plate and an elastic pressing plate, so that the state indication disc rotates to a second display area, and the state indication disc stops rotating under the action of a limiting rod, the display state of the state indication disc can be seen to be a second display area, and indication of different states in the slot is achieved.
As a further scheme of the invention, the side end face of the ammeter shell is embedded with an active ventilation grid, the inside of the active ventilation grid is rotationally connected with a rotating shutter, and the surface of the rotating shutter is embedded with a sealing cushion layer.
When the electric meter is specifically used, the rotating louvers are arranged inside the active ventilation grids, air enters the electric meter groove through the inner gaps of the rotating louvers, and due to the fact that electric leakage of the electric meter is often accompanied by open fire, sealing cushions are embedded between the rotating louvers, the adjacent rotating louvers are mutually attached through the rotating louvers, the gaps between the rotating louvers are closed, meanwhile, the airtight performance of the rotating louvers after closing is improved through the sealing cushions, when electric leakage occurs, the rotating louvers are controlled to rotate, the air gaps between the rotating louvers are closed, so that the internal gas passage of the electric meter groove is isolated, the internal open fire of the electric meter groove is effectively restrained, and damage to the electric meter groove internal device caused by fire is prevented.
As a further scheme of the invention, a transmission rod is further arranged in the electric meter groove, two ends of the transmission rod are rotationally connected with a second rotating shaft, one end of the transmission rod is rotationally connected with a rotating shutter through the second rotating shaft, one end of the transmission rod, which is away from the rotating shutter, is rotationally connected with a control magnetic block through the second rotating shaft, the control magnetic block is connected with the inner wall of the electric meter groove through a spring, the rear end surface of the control magnetic block is fixedly connected with a sliding block, a groove matched with the sliding block is formed in the electric meter groove, and the electric meter groove is positioned at two ends of a monitoring solenoid.
When the electric meter is particularly used, when the electric leakage phenomenon exists in the electric meter groove, the current is introduced into the monitoring solenoid, so that corresponding electromagnetic fields are generated at the two ends of the monitoring solenoid, the control magnet slides in the electric meter groove through magnetic traction, the transmission rod is driven through the sliding of the control magnet, the rotating shutters rotate, then the air gap between the rotating shutters is closed, the rotating shutters can be automatically closed when electric leakage occurs, the active closing of the rotating shutters is realized, and the damage of electric leakage fire to the electric meter groove internal device is effectively reduced.
Working principle: when electric leakage occurs in the ammeter groove, the ammeter shell adopts the metal shell, and then corresponding potential difference is generated at the two ends of the inner wall of the monitoring groove, so that current circulates in the monitoring solenoid, the monitoring solenoid generates corresponding electromagnetic field through an electromagnetic induction principle, the electromagnetic field drives the state probe to deflect, the state indicating disc is driven to rotate through the deflection of the state probe, when electric leakage occurs in the ammeter groove, one side of the two sides of the insulating embedding layer is in leakage potential, the other side is in grounding state, the two ends of the monitoring solenoid have higher potential difference, the monitoring solenoid is driven to generate magnetic field, the potential difference between the monitoring solenoids is avoided, the magnetic field strength is weaker, the state probe cannot be driven to deflect, the magnetic core is reinforced and arranged in the monitoring solenoid, so that the magnetic force at the two ends of the monitoring solenoid is enhanced, the state indicator disk rotates by driving the rotating rod to rotate through the swinging of the state probe, so that the state indicator disk rotates, the state indicator disk displays a state change in the state indicator disk, the state indicator disk displays an electric leakage phenomenon in the electric meter shell, the internal display state of the state indicator disk can be seen as a safe display area through the state indicator disk under normal conditions, when the electric leakage phenomenon exists in the electric meter groove, if the electric leakage phenomenon exists in the electric meter groove, the state indicator disk generates a magnetic field to be unidirectional due to the direct current of the monitoring solenoid, the state probe deflects only once, the state indicator disk rotates along with the state probe, the state indicator disk can see the internal display state of the state indicator disk as a first display area through the state indicator disk, if the electric leakage phenomenon exists in the electric meter shell, the state indicator disk is powered by the alternating current due to the monitoring solenoid, the variable magnetic field of the direction is generated for the state probe is reciprocated and deflected, the state indicating disc is driven to rotate continuously through the driving toothed plate and the elastic pressing sheet, so that the state indicating disc rotates to a second display area, and the state indicating disc stops rotating under the action of the limiting rod, so that the display state in the state indicating disc can be seen to be the second display area through the state indicating disc, the indication of different states in the ammeter groove is realized, further, when the electric leakage phenomenon exists in the ammeter groove, the monitoring solenoid is electrified, the two ends of the monitoring solenoid generate corresponding electromagnetic fields, the control magnetic block slides in the ammeter groove through magnetic traction, the transmission rod is driven through the sliding of the control magnetic block, the rotating shutter rotates, and then an air gap between the rotating shutter is closed, the rotating shutter can be automatically closed during electric leakage, the active closing of the rotating shutter is realized, and the damage of electric leakage fire to the ammeter groove internal device is effectively reduced.
When electric leakage occurs in the electric meter groove, the electric meter shell adopts the metal shell, so that corresponding potential difference is generated at two ends of the inner wall of the monitoring groove, current flows in the monitoring solenoid, the monitoring solenoid generates corresponding electromagnetic field through an electromagnetic induction principle, the electromagnetic field drives the state probe to deflect, the state indicating disc is driven to rotate through the deflection of the state probe, the state indicating disc is driven to rotate and display corresponding states, and safety accidents caused by mistaken touch of operators after the electric meter shell is electrified due to electric leakage in the electric meter groove are effectively avoided.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of the structure of the base plate of the electricity meter of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of a status indicator disk connection structure of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5B in accordance with the present invention;
FIG. 7 is a schematic top view of a turning lever of the present invention;
FIG. 8 is a schematic view of the internal structure of the active air-permeable grid of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8C in accordance with the present invention;
FIG. 10 is a schematic diagram of a control magnet according to the present invention;
fig. 11 is a schematic view of the structure of the status indication disc of the present invention.
In the figure: 1. an electricity meter housing; 2. an active air permeable grid; 3. a status display panel; 4. an insulating inlay layer; 5. a monitoring tank; 6. monitoring the solenoid; 7. a status probe; 8. a status indication disc; 9. an ammeter main body; 10. an ammeter groove; 11. controlling the magnetic block; 12. reinforcing the magnetic core; 13. a magnetic sheet; 14. an insulating pad layer; 15. a connecting ring; 16. a first rotation shaft; 17. a rotating lever; 18. tooth slots; 19. driving the toothed plate; 20. elastic tabletting; 21. a transmission rod; 22. rotating the shutter; 23. a spring; 24. a second rotation shaft; 25. a sealing cushion layer; 26. a slide block; 27. a security display area; 28. a first display area; 29. a limit rod; 30. a second display area; 31. and a third rotation shaft.
Detailed Description
As shown in fig. 1-3, a smart electric meter with electric leakage prompt facility, including ammeter casing 1, ammeter groove 10 has been seted up to ammeter casing 1's preceding terminal surface fixed mounting to state display disc 3, ammeter main part 9 has been seted up to ammeter groove 10's inside fixed mounting, monitor groove 5 has still been seted up to ammeter groove 10's inside, monitor solenoid 6 of monitor groove 5 inside fixedly connected with, monitor solenoid 6 is linked together with monitor groove 5 inner wall both ends, ammeter groove 10 inside still rotates and is connected with status probe 7, status probe 7 is located monitor solenoid 6's one end, status probe 7 drive is connected with status indication disc 8, status indication disc 8 and status display disc 3 looks adaptation.
When electric leakage occurs in the ammeter groove 10, current is generated at two ends of the inner wall of the monitoring groove 5, and then flows in the monitoring solenoid 6, and the corresponding electromagnetic field is generated by the monitoring solenoid 6 and drives the state probe 7 to deflect, so that the state indicating disc 8 is driven to rotate and display corresponding states.
When the electric leakage occurs in the electric meter groove 10, the electric meter shell 1 is a metal shell, so that corresponding potential differences are generated at two ends of the inner wall of the monitoring groove 5, current flows in the monitoring solenoid 6, the monitoring solenoid 6 generates corresponding electromagnetic fields through an electromagnetic induction principle, the electromagnetic fields drive the state probes 7 to deflect, the state indicating disc 8 is driven to rotate through the deflection of the state probes 7, and accordingly the state indicating disc 8 is driven to rotate and display corresponding states.
As shown in fig. 1 to 3, an insulation inlay layer 4 is embedded in the middle of the ammeter housing 1 and the monitoring groove 5.
During the use, keep apart ammeter casing 1 and monitoring groove 5 both sides relatively through insulating inlayer 4, and ammeter casing 1 meets with wall body or ground, when taking place electric leakage in ammeter groove 10, through insulating inlayer 4's insulating isolation for insulating inlayer 4's both sides one side is the electric leakage potential, and one side is the ground connection state, thereby make the both ends of monitoring solenoid 6 have higher potential difference, thereby drive monitoring solenoid 6 produces the magnetic field, avoid the potential difference lower between the monitoring solenoid 6, magnetic field intensity is weaker, unable drive state probe 7 deflects.
As shown in fig. 1-4, the inside of the monitoring solenoid 6 is embedded with a reinforced magnetic core 12, two ends of the reinforced magnetic core 12 are fixedly connected with insulating cushions 14, and the reinforced magnetic core 12 is fixedly connected with the inner wall of the ammeter groove 10 through the insulating cushions 14.
When in use, the reinforced magnetic core 12 is made of paramagnetic materials such as iron or nickel, and the reinforced magnetic core 12 is arranged inside the monitoring solenoid 6, so that the magnetic force at two ends of the monitoring solenoid 6 is enhanced, and the traction capability of the monitoring solenoid 6 to the state probe 7 is improved.
As shown in fig. 1 to 4, a magnetic sheet 13 is embedded in the end of the status probe 7, which is attached to the monitoring solenoid 6.
When the monitoring solenoid 6 is used, when the current is supplied to the inside of the monitoring solenoid 6 as alternating current, the magnetic field direction generated by the monitoring solenoid 6 is changed continuously, and when the magnetic field direction of the monitoring solenoid 6 is changed continuously through the magnetic sheet 13, the magnetic sheet 13 is changed along with the magnetic field direction of the monitoring solenoid 6 to generate corresponding traction force or repulsive force so as to drive the state probe 7 to swing reciprocally.
As shown in fig. 1-5, one end of the status probe 7, which is away from the magnetic sheet 13, is fixedly connected with a rotating rod 17, the lower end surface of the rotating rod 17 is rotationally connected with a first rotating shaft 16, one end of the first rotating shaft 16, which is away from the rotating rod 17, is rotationally connected with the inner wall of the ammeter groove 10, the upper end surface of the rotating rod 17 is rotationally sleeved with a connecting ring 15, and the upper end surface of the connecting ring 15 is fixedly connected with the status indicating disc 8.
When the electric meter is used, the rotating rod 17 is driven to rotate through the swinging of the state probe 7, and the connecting ring 15 is driven to rotate through the rotation of the rotating rod 17, so that the state indicating disc 8 rotates, the state indicating disc 8 changes in the state displayed inside the state indicating disc 3, and the electric leakage phenomenon exists inside the electric meter shell 1 at the moment.
As shown in fig. 1-7, a tooth slot 18 is embedded at one end of the connecting ring 15, which is away from the status indication disc 8, and a driving toothed plate 19 is rotatably connected to the outer end surface of the rotating rod 17, one end of the driving toothed plate 19, which is away from the rotating rod 17, is meshed with the tooth slot 18, an elastic pressing piece 20 is embedded at the outer end of the rotating rod 17, the elastic pressing piece 20 is attached to the driving toothed plate 19, and the elastic pressing piece 20 elastically presses the driving toothed plate 19 to keep meshed with the tooth slot 18.
When the monitoring solenoid 6 is electrified to be in alternating current, the state probe 7 swings reciprocally and rotates to drive the rotating rod 17 to rotate reciprocally, the driving toothed plate 19 is always meshed with the tooth grooves 18 under the action of the elastic pressing piece 20, the connecting ring 15 is continuously driven to rotate unidirectionally under the action of the driving toothed plate 19, and then the state indicating disc 8 displays different leakage states.
As shown in fig. 1-7 and 11, a third rotating shaft 31 is disposed in the middle of the status indication disc 8, the status indication disc 8 is rotatably connected to the inside of the status indication disc 3 through the third rotating shaft 31, the upper surface of the status indication disc 8 is divided into a safety display area 27, a first display area 28 and a second display area 30, the status indication disc 3 is provided with a window adapted to the safety display area 27, the first display area 28 is located at two sides of the safety display area 27, the second display area 30 is located at one side of the first display area 28 away from the safety display area 27, a limiting rod 29 is fixedly connected to the junction of the second display area 30 and the first display area 28, and a shielding part adapted to the limiting rod 29 is provided in the status indication disc 3.
When the electric meter is used, the internal display state of the state indicating disc 8 can be seen to be a safe display area 27 through the state indicating disc 3 under normal conditions, when the electric meter groove 10 is in electric leakage, the state indicating disc 8 is in one-way due to the fact that a magnetic field generated by the direct current of the monitoring solenoid 6 is in direct current, the state probe 7 is deflected once, the state indicating disc 8 rotates along with the state probe 7, the state indicating disc 8 can be seen to be a first display area 28 through the state indicating disc 3, when the electric meter groove is in alternating current, the state indicating disc 8 is in alternating current, a variable magnetic field with variable directions is generated by the fact that the monitoring solenoid 6 is in alternating current, the state probe 7 is driven to reciprocate, the state indicating disc 8 is driven to rotate continuously through the driving toothed plate 19 and the elastic pressing piece 20, the state indicating disc 8 is enabled to rotate to be a second display area 30, and rotation is stopped under the effect of the limiting rod 29, and the display state in the state indicating disc 8 can be seen to be a second display area 30 through the state indicating disc 3, and indication of different states in the electric meter groove 10 is achieved.
As shown in fig. 1-3 and fig. 8-10, the active ventilation grid 2 is embedded in the side end face of the ammeter shell 1, the rotating shutter 22 is rotatably connected in the active ventilation grid 2, and the sealing cushion layer 25 is embedded on the surface of the rotating shutter 22.
During the use, the inside rotation tripe 22 that is equipped with of active ventilative grid 2, the clearance gets into ammeter groove 10 in the air through rotating the tripe 22, because ammeter electric leakage often still accompanies the open flame, inlay between the rotation tripe 22 and be equipped with sealed bed course 25, make adjacent rotation tripe 22 laminating each other through rotating the rotation tripe 22 for the clearance is closed between the rotation tripe 22, improve the airtight performance after the rotation tripe 22 is closed through sealed bed course 25 simultaneously, when taking place the electric leakage, control rotation tripe 22 rotates and makes the air gap between the rotation tripe 22 close, thereby make the inside gas passageway of ammeter groove 10 isolated, make the inside no combustion environment of ammeter groove 10, can effectively restrain the inside open flame production of ammeter groove 10, prevent the damage of fire to ammeter groove 10 internal device.
As shown in fig. 1-3 and fig. 8-10, the inside of the ammeter groove 10 is further provided with a transmission rod 21, two ends of the transmission rod 21 are rotationally connected with a second rotating shaft 24, one end of the transmission rod 21 is rotationally connected with a rotating shutter 22 through the second rotating shaft 24, one end of the transmission rod 21 deviating from the rotating shutter 22 is rotationally connected with a control magnetic block 11 through the second rotating shaft 24, the control magnetic block 11 is connected with the inner wall of the ammeter groove 10 through a spring 23, the rear end face of the control magnetic block 11 is fixedly connected with a sliding block 26, a groove matched with the sliding block 26 is formed in the ammeter groove 10, and the ammeter groove 10 is positioned at two ends of the monitoring solenoid 6.
When the electric leakage phenomenon exists in the electric meter groove 10, the monitoring solenoid 6 is charged with current, so that corresponding electromagnetic fields are generated at the two ends of the monitoring solenoid 6, the control magnetic block 11 slides in the electric meter groove 10 through magnetic traction, the transmission rod 21 is driven through the sliding of the control magnetic block 11, the rotating louvers 22 rotate, then an air gap between the rotating louvers 22 is closed, the rotating louvers 22 can be automatically closed when electric leakage occurs, active closing of the rotating louvers 22 is achieved, and damage of electric leakage fire to internal devices of the electric meter groove 10 is effectively reduced.
Working principle: when electric leakage occurs in the ammeter tank 10, the ammeter housing 1 adopts a metal housing, and then corresponding potential difference is generated at two ends of the inner wall of the monitoring tank 5, so that current flows in the monitoring solenoid 6, the monitoring solenoid 6 generates corresponding electromagnetic field through an electromagnetic induction principle, the electromagnetic field drives the status probe 7 to deflect, the status indicator disc 8 is driven to rotate through the deflection of the status probe 7, when electric leakage occurs in the ammeter tank 10, one side of the insulating embedding layer 4 is in a leakage potential state, the other side is in a grounding state, the two ends of the monitoring solenoid 6 have higher potential difference, the monitoring solenoid 6 is driven to generate magnetic field, the potential difference between the monitoring solenoids 6 is avoided, the magnetic field strength is weaker, the status probe 7 cannot be driven to deflect, the reinforcing magnetic core 12 is arranged in the monitoring solenoid 6, the magnetic force at two ends of the monitoring solenoid 6 is enhanced, the rotating rod 17 is driven to rotate through the swinging of the state probe 7, the connecting ring 15 is driven to rotate through the rotation of the rotating rod 17, so that the state indicating disc 8 rotates, the display state of the state indicating disc 8 in the state indicating disc 3 changes, the electric leakage phenomenon exists in the ammeter shell 1 at the moment, the internal display state of the state indicating disc 8 can be seen through the state indicating disc 3 to be a safe display area 27 under normal conditions, when the electric leakage phenomenon exists in the ammeter groove 10, if the electric leakage phenomenon exists in the ammeter groove, the state indicating disc 8 is unidirectional due to the fact that the magnetic field is generated by the direct current of the monitoring solenoid 6, the state probe 7 deflects only once, the state indicating disc 8 rotates along with the state probe 7, the internal display state of the state indicating disc 8 can be seen through the state indicating disc 3 to be a first display area 28, if the state indicating disk 8 is in alternating current, the alternating current is fed into the monitoring solenoid 6 to generate a variable-direction magnetic field, so that the state probe 7 is subjected to reciprocating deflection, the state indicating disk 8 is continuously driven to rotate through the driving toothed plate 19 and the elastic pressing piece 20, the state indicating disk 8 is enabled to rotate to the second display area 30, the state indicating disk 8 is enabled to be seen to be in the second display area 30 through the state indicating disk 3 under the action of the limiting rod 29, indication of different states in the ammeter groove 10 is realized, further, when the ammeter groove 10 is in an electric leakage phenomenon, the monitoring solenoid 6 is fed with current to enable the two ends of the monitoring solenoid 6 to generate corresponding electromagnetic fields, the magnetic force traction is used for enabling the control magnetic block 11 to slide in the ammeter groove 10, the transmission rod 21 is driven through the sliding of the control magnetic block 11, the rotating louver 22 is enabled to rotate, and then an air gap between the rotating louver 22 is enabled to be closed, the rotating louver 22 can be automatically closed when the electric leakage is caused, active closing of the rotating louver 22 is realized, and damage of the electric leakage to the internal device of the ammeter 10 is effectively reduced.
Claims (5)
1. The utility model provides a smart electric meter with electric leakage prompt facility, includes ammeter casing, its characterized in that: the front end face of the ammeter shell is fixedly provided with a status display disc, the interior of the ammeter shell is provided with an ammeter groove, the interior of the ammeter groove is fixedly provided with an ammeter main body, the interior of the ammeter groove is also provided with a monitoring groove, the interior of the monitoring groove is fixedly connected with a monitoring solenoid, the monitoring solenoid is communicated with two ends of the inner wall of the monitoring groove, the interior of the ammeter groove is also rotationally connected with a status probe, the status probe is positioned at one end of the monitoring solenoid, the status probe is in driving connection with a status display disc, the status display disc is matched with the status display disc,
when electric leakage occurs in the ammeter groove, current is generated at two ends of the inner wall of the monitoring groove, then the current flows in the monitoring solenoid, a corresponding electromagnetic field is generated by the monitoring solenoid, and the electromagnetic field drives the state probe to deflect, so that the state indicating disc is driven to rotate;
the state probe is fixedly connected with a rotating rod at one end, which is away from the magnetic sheet, of the state probe, a first rotating shaft is rotationally connected with the lower end face of the rotating rod, one end, which is away from the rotating rod, of the first rotating shaft is rotationally connected with the inner wall of the ammeter groove, a connecting ring is rotationally sleeved on the upper end face of the rotating rod, and the upper end face of the connecting ring is fixedly connected with the state indicating disc; the connecting ring is embedded with a tooth slot at one end deviating from the state indicating disc, the outer end face of the rotating rod is rotationally connected with a driving toothed plate, one end of the driving toothed plate deviating from the rotating rod is meshed with the tooth slot, the outer end of the rotating rod is embedded with an elastic pressing piece, the elastic pressing piece is attached to the driving toothed plate, and the elastic pressing piece elastically presses the driving toothed plate to be meshed with the tooth slot;
the middle part of status indication dish is equipped with the third axis of rotation, the status indication dish passes through the inside of third axis of rotation connection at the status indication dish, the upper surface of status indication dish divide into safe display district, first display district and second display district, the status display dish has been seted up and has been had the window with safe display district looks adaptation, first display district is located the both sides of safe display district, the second display district is located the one side that first display district deviates from safe display district, second display district and first display district meet department fixedly connected with gag lever post, just the inside shielding part of seting up with gag lever post looks adaptation of status display dish.
2. The smart meter with leakage prompt facility according to claim 1, wherein: the middle parts of the ammeter shell and the monitoring groove are embedded and all provided with insulating embedded layers.
3. The smart meter with leakage prompt facility according to claim 1, wherein: the inside of monitoring solenoid inlays and is equipped with the enhancement magnetic core, strengthen magnetic core both ends fixedly connected with insulating mattress layer, it links to each other fixedly with ammeter inslot wall through insulating mattress layer to strengthen the magnetic core.
4. The smart meter with leakage prompt facility according to claim 1, wherein: the utility model discloses an ammeter casing, including ammeter casing, movable air-permeable grid's inside rotates to be connected with and rotates the tripe, movable air-permeable grid surface inlays and is equipped with sealed bed course.
5. The smart meter with leakage prompt facility according to claim 4, wherein: the inside in ammeter groove still is equipped with the transfer line, the transfer line both ends rotate and are connected with the second axis of rotation, transfer line one end is connected with the rotation tripe through the second axis of rotation, the transfer line deviates from the one end of rotation tripe and rotates through the second axis of rotation and be connected with the control magnetic path, the control magnetic path passes through the inner wall in spring and ammeter groove and links to each other, the rear end face fixedly connected with slider of control magnetic path, ammeter inslot portion offered with slider looks adaptation's groove, just ammeter groove is located the both ends of monitoring solenoid.
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| CN202111460622.9A CN114113721B (en) | 2021-12-03 | 2021-12-03 | Smart electric meter with electric leakage prompt facility |
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Effective date of registration: 20240219 Address after: 214400 No.6, Lane 149, Qishan Road, Jiangyin City, Wuxi City, Jiangsu Province Applicant after: JIANGYIN ZHONGHE ELECTRIC POWER METER Co.,Ltd. Country or region after: China Address before: 523648 Lizhi village, Dali Village, Qingxi Town, Dongguan City, Guangdong Province Applicant before: KANGXI INTELLIGENT TECHNOLOGY (DONGGUAN) Co.,Ltd. Country or region before: China |
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